diff options
Diffstat (limited to 'arch/cris')
238 files changed, 3280 insertions, 9889 deletions
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 7adac388a77..52731e22185 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -1,10 +1,3 @@ -# -# For a description of the syntax of this configuration file, -# see the Configure script. -# - -mainmenu "Linux/CRIS Kernel Configuration" - config MMU bool default y @@ -20,10 +13,6 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool -config GENERIC_IOMAP - bool - default y - config ARCH_HAS_ILOG2_U32 bool default n @@ -32,10 +21,6 @@ config ARCH_HAS_ILOG2_U64 bool default n -config GENERIC_FIND_NEXT_BIT - bool - default y - config GENERIC_HWEIGHT bool default y @@ -44,7 +29,7 @@ config GENERIC_CALIBRATE_DELAY bool default y -config NO_IOPORT +config NO_IOPORT_MAP def_bool y config FORCE_MAX_ZONEORDER @@ -55,6 +40,18 @@ config CRIS bool default y select HAVE_IDE + select GENERIC_ATOMIC64 + select HAVE_UID16 + select VIRT_TO_BUS + select ARCH_WANT_IPC_PARSE_VERSION + select GENERIC_IRQ_SHOW + select GENERIC_IOMAP + select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32 + select GENERIC_CMOS_UPDATE + select MODULES_USE_ELF_RELA + select CLONE_BACKWARDS2 + select OLD_SIGSUSPEND + select OLD_SIGACTION config HZ int @@ -68,10 +65,6 @@ menu "General setup" source "fs/Kconfig.binfmt" -config GENERIC_HARDIRQS - bool - default y - config ETRAX_CMDLINE string "Kernel command line" default "root=/dev/mtdblock3" @@ -105,9 +98,6 @@ config ETRAX_KMALLOCED_MODULES help Enable module allocation with kmalloc instead of vmalloc. -config OOM_REBOOT - bool "Enable reboot at out of memory" - source "kernel/Kconfig.preempt" source mm/Kconfig @@ -122,19 +112,16 @@ choice config ETRAX100LX bool "ETRAX-100LX-v1" + select ARCH_USES_GETTIMEOFFSET help Support version 1 of the ETRAX 100LX. config ETRAX100LX_V2 bool "ETRAX-100LX-v2" + select ARCH_USES_GETTIMEOFFSET help Support version 2 of the ETRAX 100LX. -config SVINTO_SIM - bool "ETRAX-100LX-for-xsim-simulator" - help - Support the xsim ETRAX Simulator. - config ETRAXFS bool "ETRAX-FS-V32" help @@ -147,15 +134,11 @@ config CRIS_MACH_ARTPEC3 endchoice -config ETRAX_VCS_SIM - bool "VCS Simulator" - help - Setup hardware to be run in the VCS simulator. - config ETRAX_ARCH_V10 bool default y if ETRAX100LX || ETRAX100LX_V2 default n if !(ETRAX100LX || ETRAX100LX_V2) + select TTY config ETRAX_ARCH_V32 bool @@ -181,12 +164,6 @@ config ETRAX_FLASH_BUSWIDTH help Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2. -config ETRAX_NANDFLASH_BUSWIDTH - int "Buswidth of NAND flash in bytes" - default "1" - help - Width in bytes of the NAND flash (1 or 2). - config ETRAX_FLASH1_SIZE int "FLASH1 size (dec, in MB. 0 = Unknown)" default "0" @@ -272,48 +249,12 @@ config ETRAX_AXISFLASHMAP select MTD_CFI select MTD_CFI_AMDSTD select MTD_JEDECPROBE if ETRAX_ARCH_V32 - select MTD_CHAR select MTD_BLOCK - select MTD_PARTITIONS - select MTD_CONCAT select MTD_COMPLEX_MAPPINGS help This option enables MTD mapping of flash devices. Needed to use flash memories. If unsure, say Y. -config ETRAX_RTC - bool "Real Time Clock support" - depends on ETRAX_I2C - help - Enables drivers for the Real-Time Clock battery-backed chips on - some products. The kernel reads the time when booting, and - the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a - rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc - device. You can check the time with cat /proc/rtc, but - normal time reading should be done using libc function time and - friends. - -choice - prompt "RTC chip" - depends on ETRAX_RTC - default ETRAX_PCF8563 if ETRAX_ARCH_V32 - default ETRAX_DS1302 if ETRAX_ARCH_V10 - -config ETRAX_DS1302 - depends on ETRAX_ARCH_V10 - bool "DS1302" - help - Enables the driver for the DS1302 Real-Time Clock battery-backed - chip on some products. - -config ETRAX_PCF8563 - bool "PCF8563" - help - Enables the driver for the PCF8563 Real-Time Clock battery-backed - chip on some products. - -endchoice - config ETRAX_SYNCHRONOUS_SERIAL bool "Synchronous serial-port support" help @@ -588,26 +529,6 @@ config ETRAX_SERIAL_PORT3_DMA5_IN depends on ETRAX_ARCH_V10 bool "DMA 5" -config ETRAX_SERIAL_PORT3_DMA9_IN - bool "Ser3 uses DMA9 for input" - depends on ETRAXFS - help - Enables the DMA9 input channel for ser3 (ttyS3). - If you do not enable DMA, an interrupt for each character will be - used when receiving data. - Normally you want to use DMA, unless you use the DMA channel for - something else. - -config ETRAX_SERIAL_PORT3_DMA3_IN - bool "Ser3 uses DMA3 for input" - depends on CRIS_MACH_ARTPEC3 - help - Enables the DMA3 input channel for ser3 (ttyS3). - If you do not enable DMA, an interrupt for each character will be - used when receiving data. - Normally you want to use DMA, unless you use the DMA channel for - something else. - endchoice choice @@ -625,64 +546,14 @@ config ETRAX_SERIAL_PORT3_DMA4_OUT depends on ETRAX_ARCH_V10 bool "DMA 4" -config ETRAX_SERIAL_PORT3_DMA8_OUT - bool "Ser3 uses DMA8 for output" - depends on ETRAXFS - help - Enables the DMA8 output channel for ser3 (ttyS3). - If you do not enable DMA, an interrupt for each character will be - used when transmitting data. - Normally you want to use DMA, unless you use the DMA channel for - something else. - -config ETRAX_SERIAL_PORT3_DMA2_OUT - bool "Ser3 uses DMA2 for output" - depends on CRIS_MACH_ARTPEC3 - help - Enables the DMA2 output channel for ser3 (ttyS3). - If you do not enable DMA, an interrupt for each character will be - used when transmitting data. - Normally you want to use DMA, unless you use the DMA channel for - something else. - endchoice endmenu -source "drivers/base/Kconfig" - -# standard linux drivers -source "drivers/mtd/Kconfig" - -source "drivers/parport/Kconfig" - -source "drivers/pnp/Kconfig" - -source "drivers/block/Kconfig" - -source "drivers/ide/Kconfig" - -source "drivers/net/Kconfig" - -source "drivers/i2c/Kconfig" - -source "drivers/rtc/Kconfig" - -# -# input before char - char/joystick depends on it. As does USB. -# -source "drivers/input/Kconfig" - -source "drivers/char/Kconfig" +source "drivers/Kconfig" source "fs/Kconfig" -source "drivers/usb/Kconfig" - -source "drivers/uwb/Kconfig" - -source "drivers/staging/Kconfig" - source "arch/cris/Kconfig.debug" source "security/Kconfig" diff --git a/arch/cris/Kconfig.debug b/arch/cris/Kconfig.debug index 0a1d62a2361..14881e81e8a 100644 --- a/arch/cris/Kconfig.debug +++ b/arch/cris/Kconfig.debug @@ -1,6 +1,5 @@ menu "Kernel hacking" -#bool 'Debug kmalloc/kfree' CONFIG_DEBUG_MALLOC config PROFILING bool "Kernel profiling support" @@ -32,4 +31,10 @@ config DEBUG_NMI_OOPS If the system locks up without any debug information you can say Y here to make it possible to dump an OOPS with an external NMI. +config NO_SEGFAULT_TERMINATION + bool "Keep segfaulting processes" + help + Place segfaulting user mode processes on a wait queue instead of + delivering a terminating SIGSEGV to allow debugging with gdb. + endmenu diff --git a/arch/cris/Makefile b/arch/cris/Makefile index 71e17d3eedd..39dc7d00083 100644 --- a/arch/cris/Makefile +++ b/arch/cris/Makefile @@ -23,7 +23,9 @@ mach-$(CONFIG_ETRAXFS) := fs ifneq ($(arch-y),) SARCH := arch-$(arch-y) -inc := -Iarch/cris/include/$(SARCH) +inc := -Iarch/cris/include/uapi/$(SARCH) +inc += -Iarch/cris/include/$(SARCH) +inc += -Iarch/cris/include/uapi/$(SARCH)/arch inc += -Iarch/cris/include/$(SARCH)/arch else SARCH := @@ -42,8 +44,6 @@ LD = $(CROSS_COMPILE)ld -mcrislinux OBJCOPYFLAGS := -O binary -R .note -R .comment -S -CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE) - KBUILD_AFLAGS += -mlinux -march=$(arch-y) $(inc) KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe $(inc) KBUILD_CPPFLAGS += $(inc) diff --git a/arch/cris/arch-v10/Kconfig b/arch/cris/arch-v10/Kconfig index adc164e9933..df9a38b4f18 100644 --- a/arch/cris/arch-v10/Kconfig +++ b/arch/cris/arch-v10/Kconfig @@ -24,8 +24,8 @@ config ETRAX_PA_LEDS help The ETRAX network driver is responsible for flashing LED's when packets arrive and are sent. It uses macros defined in - <file:include/asm-cris/io.h>, and those macros are defined after what - YOU choose in this option. The actual bits used are configured + <file:arch/cris/include/asm/io.h>, and those macros are defined after + what YOU choose in this option. The actual bits used are configured separately. Select this if the LEDs are on port PA. Some products put the leds on PB or a memory-mapped latch (CSP0) instead. @@ -34,8 +34,8 @@ config ETRAX_PB_LEDS help The ETRAX network driver is responsible for flashing LED's when packets arrive and are sent. It uses macros defined in - <file:include/asm-cris/io.h>, and those macros are defined after what - YOU choose in this option. The actual bits used are configured + <file:arch/cris/include/asm/io.h>, and those macros are defined after + what YOU choose in this option. The actual bits used are configured separately. Select this if the LEDs are on port PB. Some products put the leds on PA or a memory-mapped latch (CSP0) instead. @@ -44,8 +44,8 @@ config ETRAX_CSP0_LEDS help The ETRAX network driver is responsible for flashing LED's when packets arrive and are sent. It uses macros defined in - <file:include/asm-cris/io.h>, and those macros are defined after what - YOU choose in this option. The actual bits used are configured + <file:arch/cris/include/asm/io.h>, and those macros are defined after + what YOU choose in this option. The actual bits used are configured separately. Select this if the LEDs are on a memory-mapped latch using chip select CSP0, this is mapped at 0x90000000. Some products put the leds on PA or PB instead. diff --git a/arch/cris/arch-v10/README.mm b/arch/cris/arch-v10/README.mm index 517d1f027fe..67731d75cb5 100644 --- a/arch/cris/arch-v10/README.mm +++ b/arch/cris/arch-v10/README.mm @@ -38,7 +38,7 @@ space. We also use it to keep the user-mode virtual mapping in the same map during kernel-mode, so that the kernel easily can access the corresponding user-mode process' data. -As a comparision, the Linux/i386 2.0 puts the kernel and physical RAM at +As a comparison, the Linux/i386 2.0 puts the kernel and physical RAM at address 0, overlapping with the user-mode virtual space, so that descriptor registers are needed for each memory access to specify which MMU space to map through. That changed in 2.2, putting the kernel/physical RAM at diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig index 58f5864a668..239dab0b95c 100644 --- a/arch/cris/arch-v10/drivers/Kconfig +++ b/arch/cris/arch-v10/drivers/Kconfig @@ -2,8 +2,7 @@ if ETRAX_ARCH_V10 config ETRAX_ETHERNET bool "Ethernet support" - depends on ETRAX_ARCH_V10 - select NET_ETHERNET + depends on ETRAX_ARCH_V10 && NETDEVICES select MII help This option enables the ETRAX 100LX built-in 10/100Mbit Ethernet @@ -383,7 +382,7 @@ config ETRAX_RS485 depends on ETRAX_SERIAL help Enables support for RS-485 serial communication. For a primer on - RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>. + RS-485, see <http://en.wikipedia.org/wiki/Rs485> config ETRAX_RS485_ON_PA bool "RS-485 mode on PA" @@ -418,16 +417,6 @@ config ETRAX_USB_HOST for CTRL and BULK traffic only, INTR traffic may work as well however (depending on the requirements of timeliness). -config ETRAX_USB_HOST_PORT1 - bool "USB port 1 enabled" - depends on ETRAX_USB_HOST - default n - -config ETRAX_USB_HOST_PORT2 - bool "USB port 2 enabled" - depends on ETRAX_USB_HOST - default n - config ETRAX_PTABLE_SECTOR int "Byte-offset of partition table sector" depends on ETRAX_AXISFLASHMAP @@ -528,19 +517,6 @@ config ETRAX_GPIO Remember that you need to setup the port directions appropriately in the General configuration. -config ETRAX_PA_BUTTON_BITMASK - hex "PA-buttons bitmask" - depends on ETRAX_GPIO - default "02" - help - This is a bitmask with information about what bits on PA that - are used for buttons. - Most products has a so called TEST button on PA1, if that's true - use 02 here. - Use 00 if there are no buttons on PA. - If the bitmask is <> 00 a button driver will be included in the gpio - driver. ETRAX general I/O support must be enabled. - config ETRAX_PA_CHANGEABLE_DIR hex "PA user changeable dir mask" depends on ETRAX_GPIO @@ -581,51 +557,4 @@ config ETRAX_PB_CHANGEABLE_BITS Bit set = changeable. You probably want 00 here. -config ETRAX_DS1302_RST_ON_GENERIC_PORT - bool "DS1302 RST on Generic Port" - depends on ETRAX_DS1302 - help - If your product has the RST signal line for the DS1302 RTC on the - Generic Port then say Y here, otherwise leave it as N in which - case the RST signal line is assumed to be connected to Port PB - (just like the SCL and SDA lines). - -config ETRAX_DS1302_RSTBIT - int "DS1302 RST bit number" - depends on ETRAX_DS1302 - default "2" - help - This is the bit number for the RST signal line of the DS1302 RTC on - the selected port. If you have selected the generic port then it - should be bit 27, otherwise your best bet is bit 5. - -config ETRAX_DS1302_SCLBIT - int "DS1302 SCL bit number" - depends on ETRAX_DS1302 - default "1" - help - This is the bit number for the SCL signal line of the DS1302 RTC on - Port PB. This is probably best left at 3. - -config ETRAX_DS1302_SDABIT - int "DS1302 SDA bit number" - depends on ETRAX_DS1302 - default "0" - help - This is the bit number for the SDA signal line of the DS1302 RTC on - Port PB. This is probably best left at 2. - -config ETRAX_DS1302_TRICKLE_CHARGE - int "DS1302 Trickle charger value" - depends on ETRAX_DS1302 - default "0" - help - This controls the initial value of the trickle charge register. - 0 = disabled (use this if you are unsure or have a non rechargeable battery) - Otherwise the following values can be OR:ed together to control the - charge current: - 1 = 2kohm, 2 = 4kohm, 3 = 4kohm - 4 = 1 diode, 8 = 2 diodes - Allowed values are (increasing current): 0, 11, 10, 9, 7, 6, 5 - endif diff --git a/arch/cris/arch-v10/drivers/Makefile b/arch/cris/arch-v10/drivers/Makefile index 44bf2e88c26..e5c13183b97 100644 --- a/arch/cris/arch-v10/drivers/Makefile +++ b/arch/cris/arch-v10/drivers/Makefile @@ -6,7 +6,5 @@ obj-$(CONFIG_ETRAX_AXISFLASHMAP) += axisflashmap.o obj-$(CONFIG_ETRAX_I2C) += i2c.o obj-$(CONFIG_ETRAX_I2C_EEPROM) += eeprom.o obj-$(CONFIG_ETRAX_GPIO) += gpio.o -obj-$(CONFIG_ETRAX_DS1302) += ds1302.o -obj-$(CONFIG_ETRAX_PCF8563) += pcf8563.o obj-$(CONFIG_ETRAX_SYNCHRONOUS_SERIAL) += sync_serial.o diff --git a/arch/cris/arch-v10/drivers/axisflashmap.c b/arch/cris/arch-v10/drivers/axisflashmap.c index b2079703af7..a4bbdfd37bd 100644 --- a/arch/cris/arch-v10/drivers/axisflashmap.c +++ b/arch/cris/arch-v10/drivers/axisflashmap.c @@ -234,7 +234,6 @@ static struct mtd_info *flash_probe(void) } if (mtd_cse0 && mtd_cse1) { -#ifdef CONFIG_MTD_CONCAT struct mtd_info *mtds[] = { mtd_cse0, mtd_cse1 }; /* Since the concatenation layer adds a small overhead we @@ -246,11 +245,6 @@ static struct mtd_info *flash_probe(void) */ mtd_cse = mtd_concat_create(mtds, ARRAY_SIZE(mtds), "cse0+cse1"); -#else - printk(KERN_ERR "%s and %s: Cannot concatenate due to kernel " - "(mis)configuration!\n", map_cse0.name, map_cse1.name); - mtd_cse = NULL; -#endif if (!mtd_cse) { printk(KERN_ERR "%s and %s: Concatenation failed!\n", map_cse0.name, map_cse1.name); @@ -378,7 +372,7 @@ static int __init init_axis_flash(void) #ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE if (mymtd) { main_partition.size = mymtd->size; - err = add_mtd_partitions(mymtd, &main_partition, 1); + err = mtd_device_register(mymtd, &main_partition, 1); if (err) panic("axisflashmap: Could not initialize " "partition for whole main mtd device!\n"); @@ -388,10 +382,12 @@ static int __init init_axis_flash(void) if (mymtd) { if (use_default_ptable) { printk(KERN_INFO " Using default partition table.\n"); - err = add_mtd_partitions(mymtd, axis_default_partitions, - NUM_DEFAULT_PARTITIONS); + err = mtd_device_register(mymtd, + axis_default_partitions, + NUM_DEFAULT_PARTITIONS); } else { - err = add_mtd_partitions(mymtd, axis_partitions, pidx); + err = mtd_device_register(mymtd, axis_partitions, + pidx); } if (err) diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c deleted file mode 100644 index 77630df9434..00000000000 --- a/arch/cris/arch-v10/drivers/ds1302.c +++ /dev/null @@ -1,504 +0,0 @@ -/*!*************************************************************************** -*! -*! FILE NAME : ds1302.c -*! -*! DESCRIPTION: Implements an interface for the DS1302 RTC through Etrax I/O -*! -*! Functions exported: ds1302_readreg, ds1302_writereg, ds1302_init -*! -*! --------------------------------------------------------------------------- -*! -*! (C) Copyright 1999-2007 Axis Communications AB, LUND, SWEDEN -*! -*!***************************************************************************/ - - -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/miscdevice.h> -#include <linux/delay.h> -#include <linux/bcd.h> -#include <linux/capability.h> - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <arch/svinto.h> -#include <asm/io.h> -#include <asm/rtc.h> -#include <arch/io_interface_mux.h> - -#include "i2c.h" - -#define RTC_MAJOR_NR 121 /* local major, change later */ - -static const char ds1302_name[] = "ds1302"; - -/* The DS1302 might be connected to different bits on different products. - * It has three signals - SDA, SCL and RST. RST and SCL are always outputs, - * but SDA can have a selected direction. - * For now, only PORT_PB is hardcoded. - */ - -/* The RST bit may be on either the Generic Port or Port PB. */ -#ifdef CONFIG_ETRAX_DS1302_RST_ON_GENERIC_PORT -#define TK_RST_OUT(x) REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow, CONFIG_ETRAX_DS1302_RSTBIT, x) -#define TK_RST_DIR(x) -#else -#define TK_RST_OUT(x) REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_DS1302_RSTBIT, x) -#define TK_RST_DIR(x) REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, CONFIG_ETRAX_DS1302_RSTBIT, x) -#endif - - -#define TK_SDA_OUT(x) REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_DS1302_SDABIT, x) -#define TK_SCL_OUT(x) REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_DS1302_SCLBIT, x) - -#define TK_SDA_IN() ((*R_PORT_PB_READ >> CONFIG_ETRAX_DS1302_SDABIT) & 1) -/* 1 is out, 0 is in */ -#define TK_SDA_DIR(x) REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, CONFIG_ETRAX_DS1302_SDABIT, x) -#define TK_SCL_DIR(x) REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, CONFIG_ETRAX_DS1302_SCLBIT, x) - - -/* - * The reason for tempudelay and not udelay is that loops_per_usec - * (used in udelay) is not set when functions here are called from time.c - */ - -static void tempudelay(int usecs) -{ - volatile int loops; - - for(loops = usecs * 12; loops > 0; loops--) - /* nothing */; -} - - -/* Send 8 bits. */ -static void -out_byte(unsigned char x) -{ - int i; - TK_SDA_DIR(1); - for (i = 8; i--;) { - /* The chip latches incoming bits on the rising edge of SCL. */ - TK_SCL_OUT(0); - TK_SDA_OUT(x & 1); - tempudelay(1); - TK_SCL_OUT(1); - tempudelay(1); - x >>= 1; - } - TK_SDA_DIR(0); -} - -static unsigned char -in_byte(void) -{ - unsigned char x = 0; - int i; - - /* Read byte. Bits come LSB first, on the falling edge of SCL. - * Assume SDA is in input direction already. - */ - TK_SDA_DIR(0); - - for (i = 8; i--;) { - TK_SCL_OUT(0); - tempudelay(1); - x >>= 1; - x |= (TK_SDA_IN() << 7); - TK_SCL_OUT(1); - tempudelay(1); - } - - return x; -} - -/* Prepares for a transaction by de-activating RST (active-low). */ - -static void -start(void) -{ - TK_SCL_OUT(0); - tempudelay(1); - TK_RST_OUT(0); - tempudelay(5); - TK_RST_OUT(1); -} - -/* Ends a transaction by taking RST active again. */ - -static void -stop(void) -{ - tempudelay(2); - TK_RST_OUT(0); -} - -/* Enable writing. */ - -static void -ds1302_wenable(void) -{ - start(); - out_byte(0x8e); /* Write control register */ - out_byte(0x00); /* Disable write protect bit 7 = 0 */ - stop(); -} - -/* Disable writing. */ - -static void -ds1302_wdisable(void) -{ - start(); - out_byte(0x8e); /* Write control register */ - out_byte(0x80); /* Disable write protect bit 7 = 0 */ - stop(); -} - - - -/* Read a byte from the selected register in the DS1302. */ - -unsigned char -ds1302_readreg(int reg) -{ - unsigned char x; - - start(); - out_byte(0x81 | (reg << 1)); /* read register */ - x = in_byte(); - stop(); - - return x; -} - -/* Write a byte to the selected register. */ - -void -ds1302_writereg(int reg, unsigned char val) -{ -#ifndef CONFIG_ETRAX_RTC_READONLY - int do_writereg = 1; -#else - int do_writereg = 0; - - if (reg == RTC_TRICKLECHARGER) - do_writereg = 1; -#endif - - if (do_writereg) { - ds1302_wenable(); - start(); - out_byte(0x80 | (reg << 1)); /* write register */ - out_byte(val); - stop(); - ds1302_wdisable(); - } -} - -void -get_rtc_time(struct rtc_time *rtc_tm) -{ - unsigned long flags; - - local_irq_save(flags); - - rtc_tm->tm_sec = CMOS_READ(RTC_SECONDS); - rtc_tm->tm_min = CMOS_READ(RTC_MINUTES); - rtc_tm->tm_hour = CMOS_READ(RTC_HOURS); - rtc_tm->tm_mday = CMOS_READ(RTC_DAY_OF_MONTH); - rtc_tm->tm_mon = CMOS_READ(RTC_MONTH); - rtc_tm->tm_year = CMOS_READ(RTC_YEAR); - - local_irq_restore(flags); - - rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec); - rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min); - rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour); - rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday); - rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon); - rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year); - - /* - * Account for differences between how the RTC uses the values - * and how they are defined in a struct rtc_time; - */ - - if (rtc_tm->tm_year <= 69) - rtc_tm->tm_year += 100; - - rtc_tm->tm_mon--; -} - -static unsigned char days_in_mo[] = - {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; - -/* ioctl that supports RTC_RD_TIME and RTC_SET_TIME (read and set time/date). */ - -static int -rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) -{ - unsigned long flags; - - switch(cmd) { - case RTC_RD_TIME: /* read the time/date from RTC */ - { - struct rtc_time rtc_tm; - - memset(&rtc_tm, 0, sizeof (struct rtc_time)); - get_rtc_time(&rtc_tm); - if (copy_to_user((struct rtc_time*)arg, &rtc_tm, sizeof(struct rtc_time))) - return -EFAULT; - return 0; - } - - case RTC_SET_TIME: /* set the RTC */ - { - struct rtc_time rtc_tm; - unsigned char mon, day, hrs, min, sec, leap_yr; - unsigned int yrs; - - if (!capable(CAP_SYS_TIME)) - return -EPERM; - - if (copy_from_user(&rtc_tm, (struct rtc_time*)arg, sizeof(struct rtc_time))) - return -EFAULT; - - yrs = rtc_tm.tm_year + 1900; - mon = rtc_tm.tm_mon + 1; /* tm_mon starts at zero */ - day = rtc_tm.tm_mday; - hrs = rtc_tm.tm_hour; - min = rtc_tm.tm_min; - sec = rtc_tm.tm_sec; - - - if ((yrs < 1970) || (yrs > 2069)) - return -EINVAL; - - leap_yr = ((!(yrs % 4) && (yrs % 100)) || !(yrs % 400)); - - if ((mon > 12) || (day == 0)) - return -EINVAL; - - if (day > (days_in_mo[mon] + ((mon == 2) && leap_yr))) - return -EINVAL; - - if ((hrs >= 24) || (min >= 60) || (sec >= 60)) - return -EINVAL; - - if (yrs >= 2000) - yrs -= 2000; /* RTC (0, 1, ... 69) */ - else - yrs -= 1900; /* RTC (70, 71, ... 99) */ - - sec = bin2bcd(sec); - min = bin2bcd(min); - hrs = bin2bcd(hrs); - day = bin2bcd(day); - mon = bin2bcd(mon); - yrs = bin2bcd(yrs); - - local_irq_save(flags); - CMOS_WRITE(yrs, RTC_YEAR); - CMOS_WRITE(mon, RTC_MONTH); - CMOS_WRITE(day, RTC_DAY_OF_MONTH); - CMOS_WRITE(hrs, RTC_HOURS); - CMOS_WRITE(min, RTC_MINUTES); - CMOS_WRITE(sec, RTC_SECONDS); - local_irq_restore(flags); - - /* Notice that at this point, the RTC is updated but - * the kernel is still running with the old time. - * You need to set that separately with settimeofday - * or adjtimex. - */ - return 0; - } - - case RTC_SET_CHARGE: /* set the RTC TRICKLE CHARGE register */ - { - int tcs_val; - - if (!capable(CAP_SYS_TIME)) - return -EPERM; - - if(copy_from_user(&tcs_val, (int*)arg, sizeof(int))) - return -EFAULT; - - tcs_val = RTC_TCR_PATTERN | (tcs_val & 0x0F); - ds1302_writereg(RTC_TRICKLECHARGER, tcs_val); - return 0; - } - case RTC_VL_READ: - { - /* TODO: - * Implement voltage low detection support - */ - printk(KERN_WARNING "DS1302: RTC Voltage Low detection" - " is not supported\n"); - return 0; - } - case RTC_VL_CLR: - { - /* TODO: - * Nothing to do since Voltage Low detection is not supported - */ - return 0; - } - default: - return -ENOIOCTLCMD; - } -} - -static void -print_rtc_status(void) -{ - struct rtc_time tm; - - get_rtc_time(&tm); - - /* - * There is no way to tell if the luser has the RTC set for local - * time or for Universal Standard Time (GMT). Probably local though. - */ - - printk(KERN_INFO "rtc_time\t: %02d:%02d:%02d\n", - tm.tm_hour, tm.tm_min, tm.tm_sec); - printk(KERN_INFO "rtc_date\t: %04d-%02d-%02d\n", - tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); -} - -/* The various file operations we support. */ - -static const struct file_operations rtc_fops = { - .owner = THIS_MODULE, - .ioctl = rtc_ioctl, -}; - -/* Probe for the chip by writing something to its RAM and try reading it back. */ - -#define MAGIC_PATTERN 0x42 - -static int __init -ds1302_probe(void) -{ - int retval, res; - - TK_RST_DIR(1); - TK_SCL_DIR(1); - TK_SDA_DIR(0); - - /* Try to talk to timekeeper. */ - - ds1302_wenable(); - start(); - out_byte(0xc0); /* write RAM byte 0 */ - out_byte(MAGIC_PATTERN); /* write something magic */ - start(); - out_byte(0xc1); /* read RAM byte 0 */ - - if((res = in_byte()) == MAGIC_PATTERN) { - stop(); - ds1302_wdisable(); - printk(KERN_INFO "%s: RTC found.\n", ds1302_name); - printk(KERN_INFO "%s: SDA, SCL, RST on PB%i, PB%i, %s%i\n", - ds1302_name, - CONFIG_ETRAX_DS1302_SDABIT, - CONFIG_ETRAX_DS1302_SCLBIT, -#ifdef CONFIG_ETRAX_DS1302_RST_ON_GENERIC_PORT - "GENIO", -#else - "PB", -#endif - CONFIG_ETRAX_DS1302_RSTBIT); - print_rtc_status(); - retval = 1; - } else { - stop(); - retval = 0; - } - - return retval; -} - - -/* Just probe for the RTC and register the device to handle the ioctl needed. */ - -int __init -ds1302_init(void) -{ -#ifdef CONFIG_ETRAX_I2C - i2c_init(); -#endif - - if (!ds1302_probe()) { -#ifdef CONFIG_ETRAX_DS1302_RST_ON_GENERIC_PORT -#if CONFIG_ETRAX_DS1302_RSTBIT == 27 - /* - * The only way to set g27 to output is to enable ATA. - * - * Make sure that R_GEN_CONFIG is setup correct. - */ - /* Allocating the ATA interface will grab almost all - * pins in I/O groups a, b, c and d. A consequence of - * allocating the ATA interface is that the fixed - * interfaces shared RAM, parallel port 0, parallel - * port 1, parallel port W, SCSI-8 port 0, SCSI-8 port - * 1, SCSI-W, serial port 2, serial port 3, - * synchronous serial port 3 and USB port 2 and almost - * all GPIO pins on port g cannot be used. - */ - if (cris_request_io_interface(if_ata, "ds1302/ATA")) { - printk(KERN_WARNING "ds1302: Failed to get IO interface\n"); - return -1; - } - -#elif CONFIG_ETRAX_DS1302_RSTBIT == 0 - if (cris_io_interface_allocate_pins(if_gpio_grp_a, - 'g', - CONFIG_ETRAX_DS1302_RSTBIT, - CONFIG_ETRAX_DS1302_RSTBIT)) { - printk(KERN_WARNING "ds1302: Failed to get IO interface\n"); - return -1; - } - - /* Set the direction of this bit to out. */ - genconfig_shadow = ((genconfig_shadow & - ~IO_MASK(R_GEN_CONFIG, g0dir)) | - (IO_STATE(R_GEN_CONFIG, g0dir, out))); - *R_GEN_CONFIG = genconfig_shadow; -#endif - if (!ds1302_probe()) { - printk(KERN_WARNING "%s: RTC not found.\n", ds1302_name); - return -1; - } -#else - printk(KERN_WARNING "%s: RTC not found.\n", ds1302_name); - return -1; -#endif - } - /* Initialise trickle charger */ - ds1302_writereg(RTC_TRICKLECHARGER, - RTC_TCR_PATTERN |(CONFIG_ETRAX_DS1302_TRICKLE_CHARGE & 0x0F)); - /* Start clock by resetting CLOCK_HALT */ - ds1302_writereg(RTC_SECONDS, (ds1302_readreg(RTC_SECONDS) & 0x7F)); - return 0; -} - -static int __init ds1302_register(void) -{ - ds1302_init(); - if (register_chrdev(RTC_MAJOR_NR, ds1302_name, &rtc_fops)) { - printk(KERN_INFO "%s: unable to get major %d for rtc\n", - ds1302_name, RTC_MAJOR_NR); - return -1; - } - return 0; - -} - -module_init(ds1302_register); diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c index 1f2ae909d3e..5047a33043b 100644 --- a/arch/cris/arch-v10/drivers/eeprom.c +++ b/arch/cris/arch-v10/drivers/eeprom.c @@ -28,7 +28,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <asm/uaccess.h> #include "i2c.h" @@ -73,8 +72,7 @@ struct eeprom_type int adapt_state; /* 1 = To high , 0 = Even, -1 = To low */ /* this one is to keep the read/write operations atomic */ - wait_queue_head_t wait_q; - volatile int busy; + struct mutex lock; int retry_cnt_addr; /* Used to keep track of number of retries for adaptive timing adjustments */ int retry_cnt_read; @@ -115,8 +113,7 @@ const struct file_operations eeprom_fops = int __init eeprom_init(void) { - init_waitqueue_head(&eeprom.wait_q); - eeprom.busy = 0; + mutex_init(&eeprom.lock); #ifdef CONFIG_ETRAX_I2C_EEPROM_PROBE #define EETEXT "Found" @@ -378,7 +375,6 @@ int __init eeprom_init(void) /* Opens the device. */ static int eeprom_open(struct inode * inode, struct file * file) { - cycle_kernel_lock(); if(iminor(inode) != EEPROM_MINOR_NR) return -ENXIO; if(imajor(inode) != EEPROM_MAJOR_NR) @@ -439,10 +435,7 @@ static loff_t eeprom_lseek(struct file * file, loff_t offset, int orig) static int eeprom_read_buf(loff_t addr, char * buf, int count) { - struct file f; - - f.f_pos = addr; - return eeprom_read(&f, buf, count, &addr); + return eeprom_read(NULL, buf, count, &addr); } @@ -452,7 +445,7 @@ static int eeprom_read_buf(loff_t addr, char * buf, int count) static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t *off) { int read=0; - unsigned long p = file->f_pos; + unsigned long p = *off; unsigned char page; @@ -461,12 +454,9 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t return -EFAULT; } - wait_event_interruptible(eeprom.wait_q, !eeprom.busy); - if (signal_pending(current)) + if (mutex_lock_interruptible(&eeprom.lock)) return -EINTR; - eeprom.busy++; - page = (unsigned char) (p >> 8); if(!eeprom_address(p)) @@ -476,8 +466,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t i2c_stop(); /* don't forget to wake them up */ - eeprom.busy--; - wake_up_interruptible(&eeprom.wait_q); + mutex_unlock(&eeprom.lock); return -EFAULT; } @@ -501,11 +490,10 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t if(read > 0) { - file->f_pos += read; + *off += read; } - eeprom.busy--; - wake_up_interruptible(&eeprom.wait_q); + mutex_unlock(&eeprom.lock); return read; } @@ -513,11 +501,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t static int eeprom_write_buf(loff_t addr, const char * buf, int count) { - struct file f; - - f.f_pos = addr; - - return eeprom_write(&f, buf, count, &addr); + return eeprom_write(NULL, buf, count, &addr); } @@ -534,16 +518,14 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count, return -EFAULT; } - wait_event_interruptible(eeprom.wait_q, !eeprom.busy); /* bail out if we get interrupted */ - if (signal_pending(current)) + if (mutex_lock_interruptible(&eeprom.lock)) return -EINTR; - eeprom.busy++; for(i = 0; (i < EEPROM_RETRIES) && (restart > 0); i++) { restart = 0; written = 0; - p = file->f_pos; + p = *off; while( (written < count) && (p < eeprom.size)) @@ -556,8 +538,7 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count, i2c_stop(); /* don't forget to wake them up */ - eeprom.busy--; - wake_up_interruptible(&eeprom.wait_q); + mutex_unlock(&eeprom.lock); return -EFAULT; } #ifdef EEPROM_ADAPTIVE_TIMING @@ -669,12 +650,11 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count, } /* while */ } /* for */ - eeprom.busy--; - wake_up_interruptible(&eeprom.wait_q); - if (written == 0 && file->f_pos >= eeprom.size){ + mutex_unlock(&eeprom.lock); + if (written == 0 && p >= eeprom.size){ return -ENOSPC; } - file->f_pos += written; + *off = p; return written; } diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index 4b0f65fac8e..64285e0d348 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -16,7 +16,6 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/poll.h> #include <linux/init.h> @@ -25,7 +24,6 @@ #include <asm/etraxgpio.h> #include <arch/svinto.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/irq.h> #include <arch/io_interface_mux.h> @@ -46,8 +44,7 @@ static char gpio_name[] = "etrax gpio"; static wait_queue_head_t *gpio_wq; #endif -static int gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static ssize_t gpio_write(struct file *file, const char __user *buf, size_t count, loff_t *off); static int gpio_open(struct inode *inode, struct file *filp); @@ -324,7 +321,6 @@ gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; - lock_kernel(); priv->minor = p; /* initialize the io/alarm struct */ @@ -359,7 +355,6 @@ gpio_open(struct inode *inode, struct file *filp) alarmlist = priv; spin_unlock_irqrestore(&gpio_lock, flags); - unlock_kernel(); return 0; } @@ -504,9 +499,7 @@ unsigned long inline setget_output(struct gpio_private *priv, unsigned long arg) static int gpio_leds_ioctl(unsigned int cmd, unsigned long arg); -static int -gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; unsigned long val; @@ -516,54 +509,65 @@ gpio_ioctl(struct inode *inode, struct file *file, if (_IOC_TYPE(cmd) != ETRAXGPIO_IOCTYPE) return -EINVAL; - spin_lock_irqsave(&gpio_lock, flags); - switch (_IOC_NR(cmd)) { case IO_READBITS: /* Use IO_READ_INBITS and IO_READ_OUTBITS instead */ // read the port + spin_lock_irqsave(&gpio_lock, flags); if (USE_PORTS(priv)) { ret = *priv->port; } else if (priv->minor == GPIO_MINOR_G) { ret = (*R_PORT_G_DATA) & 0x7FFFFFFF; } + spin_unlock_irqrestore(&gpio_lock, flags); + break; case IO_SETBITS: // set changeable bits with a 1 in arg + spin_lock_irqsave(&gpio_lock, flags); + if (USE_PORTS(priv)) { - *priv->port = *priv->shadow |= + *priv->port = *priv->shadow |= ((unsigned char)arg & priv->changeable_bits); } else if (priv->minor == GPIO_MINOR_G) { *R_PORT_G_DATA = port_g_data_shadow |= (arg & dir_g_out_bits); } + spin_unlock_irqrestore(&gpio_lock, flags); + break; case IO_CLRBITS: // clear changeable bits with a 1 in arg + spin_lock_irqsave(&gpio_lock, flags); if (USE_PORTS(priv)) { - *priv->port = *priv->shadow &= + *priv->port = *priv->shadow &= ~((unsigned char)arg & priv->changeable_bits); } else if (priv->minor == GPIO_MINOR_G) { *R_PORT_G_DATA = port_g_data_shadow &= ~((unsigned long)arg & dir_g_out_bits); } + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_HIGHALARM: // set alarm when bits with 1 in arg go high + spin_lock_irqsave(&gpio_lock, flags); priv->highalarm |= arg; gpio_some_alarms = 1; + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_LOWALARM: // set alarm when bits with 1 in arg go low + spin_lock_irqsave(&gpio_lock, flags); priv->lowalarm |= arg; gpio_some_alarms = 1; + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_CLRALARM: - // clear alarm for bits with 1 in arg + /* clear alarm for bits with 1 in arg */ + spin_lock_irqsave(&gpio_lock, flags); priv->highalarm &= ~arg; priv->lowalarm &= ~arg; { /* Must update gpio_some_alarms */ struct gpio_private *p = alarmlist; int some_alarms; - spin_lock_irq(&gpio_lock); p = alarmlist; some_alarms = 0; while (p) { @@ -574,11 +578,12 @@ gpio_ioctl(struct inode *inode, struct file *file, p = p->next; } gpio_some_alarms = some_alarms; - spin_unlock_irq(&gpio_lock); } + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_READDIR: /* Use IO_SETGET_INPUT/OUTPUT instead! */ /* Read direction 0=input 1=output */ + spin_lock_irqsave(&gpio_lock, flags); if (USE_PORTS(priv)) { ret = *priv->dir_shadow; } else if (priv->minor == GPIO_MINOR_G) { @@ -587,30 +592,40 @@ gpio_ioctl(struct inode *inode, struct file *file, */ ret = (dir_g_shadow | dir_g_out_bits) & 0x7FFFFFFF; } + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_SETINPUT: /* Use IO_SETGET_INPUT instead! */ - /* Set direction 0=unchanged 1=input, - * return mask with 1=input + /* Set direction 0=unchanged 1=input, + * return mask with 1=input */ + spin_lock_irqsave(&gpio_lock, flags); ret = setget_input(priv, arg) & 0x7FFFFFFF; + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_SETOUTPUT: /* Use IO_SETGET_OUTPUT instead! */ - /* Set direction 0=unchanged 1=output, - * return mask with 1=output + /* Set direction 0=unchanged 1=output, + * return mask with 1=output */ + spin_lock_irqsave(&gpio_lock, flags); ret = setget_output(priv, arg) & 0x7FFFFFFF; + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_SHUTDOWN: + spin_lock_irqsave(&gpio_lock, flags); SOFT_SHUTDOWN(); + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_GET_PWR_BT: + spin_lock_irqsave(&gpio_lock, flags); #if defined (CONFIG_ETRAX_SOFT_SHUTDOWN) ret = (*R_PORT_G_DATA & ( 1 << CONFIG_ETRAX_POWERBUTTON_BIT)); #else ret = 0; #endif + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_CFG_WRITE_MODE: + spin_lock_irqsave(&gpio_lock, flags); priv->clk_mask = arg & 0xFF; priv->data_mask = (arg >> 8) & 0xFF; priv->write_msb = (arg >> 16) & 0x01; @@ -626,28 +641,33 @@ gpio_ioctl(struct inode *inode, struct file *file, priv->data_mask = 0; ret = -EPERM; } + spin_unlock_irqrestore(&gpio_lock, flags); break; - case IO_READ_INBITS: + case IO_READ_INBITS: /* *arg is result of reading the input pins */ + spin_lock_irqsave(&gpio_lock, flags); if (USE_PORTS(priv)) { val = *priv->port; } else if (priv->minor == GPIO_MINOR_G) { val = *R_PORT_G_DATA; } + spin_unlock_irqrestore(&gpio_lock, flags); if (copy_to_user((void __user *)arg, &val, sizeof(val))) ret = -EFAULT; break; case IO_READ_OUTBITS: /* *arg is result of reading the output shadow */ + spin_lock_irqsave(&gpio_lock, flags); if (USE_PORTS(priv)) { val = *priv->shadow; } else if (priv->minor == GPIO_MINOR_G) { val = port_g_data_shadow; } + spin_unlock_irqrestore(&gpio_lock, flags); if (copy_to_user((void __user *)arg, &val, sizeof(val))) ret = -EFAULT; break; - case IO_SETGET_INPUT: + case IO_SETGET_INPUT: /* bits set in *arg is set to input, * *arg updated with current input pins. */ @@ -656,7 +676,9 @@ gpio_ioctl(struct inode *inode, struct file *file, ret = -EFAULT; break; } + spin_lock_irqsave(&gpio_lock, flags); val = setget_input(priv, val); + spin_unlock_irqrestore(&gpio_lock, flags); if (copy_to_user((void __user *)arg, &val, sizeof(val))) ret = -EFAULT; break; @@ -668,18 +690,21 @@ gpio_ioctl(struct inode *inode, struct file *file, ret = -EFAULT; break; } + spin_lock_irqsave(&gpio_lock, flags); val = setget_output(priv, val); + spin_unlock_irqrestore(&gpio_lock, flags); if (copy_to_user((void __user *)arg, &val, sizeof(val))) ret = -EFAULT; break; default: + spin_lock_irqsave(&gpio_lock, flags); if (priv->minor == GPIO_MINOR_LEDS) ret = gpio_leds_ioctl(cmd, arg); else ret = -EINVAL; + spin_unlock_irqrestore(&gpio_lock, flags); } /* switch */ - spin_unlock_irqrestore(&gpio_lock, flags); return ret; } @@ -713,12 +738,13 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg) } static const struct file_operations gpio_fops = { - .owner = THIS_MODULE, - .poll = gpio_poll, - .ioctl = gpio_ioctl, - .write = gpio_write, - .open = gpio_open, - .release = gpio_release, + .owner = THIS_MODULE, + .poll = gpio_poll, + .unlocked_ioctl = gpio_ioctl, + .write = gpio_write, + .open = gpio_open, + .release = gpio_release, + .llseek = noop_llseek, }; static void ioif_watcher(const unsigned int gpio_in_available, @@ -807,18 +833,18 @@ static int __init gpio_init(void) printk(KERN_INFO "ETRAX 100LX GPIO driver v2.5, (c) 2001-2008 " "Axis Communications AB\n"); /* We call etrax_gpio_wake_up_check() from timer interrupt and - * from cpu_idle() in kernel/process.c - * The check in cpu_idle() reduces latency from ~15 ms to ~6 ms + * from default_idle() in kernel/process.c + * The check in default_idle() reduces latency from ~15 ms to ~6 ms * in some tests. */ res = request_irq(TIMER0_IRQ_NBR, gpio_poll_timer_interrupt, - IRQF_SHARED | IRQF_DISABLED, "gpio poll", gpio_name); + IRQF_SHARED, "gpio poll", gpio_name); if (res) { printk(KERN_CRIT "err: timer0 irq for gpio\n"); return res; } res = request_irq(PA_IRQ_NBR, gpio_interrupt, - IRQF_SHARED | IRQF_DISABLED, "gpio PA", gpio_name); + IRQF_SHARED, "gpio PA", gpio_name); if (res) printk(KERN_CRIT "err: PA irq for gpio\n"); diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c index 7f656ae0b21..b3d1f9ed1b9 100644 --- a/arch/cris/arch-v10/drivers/i2c.c +++ b/arch/cris/arch-v10/drivers/i2c.c @@ -14,8 +14,6 @@ #include <linux/module.h> #include <linux/sched.h> -#include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/fs.h> @@ -24,7 +22,6 @@ #include <asm/etraxi2c.h> -#include <asm/system.h> #include <arch/svinto.h> #include <asm/io.h> #include <asm/delay.h> @@ -61,8 +58,8 @@ static const char i2c_name[] = "i2c"; #define SDABIT CONFIG_ETRAX_I2C_DATA_PORT #define SCLBIT CONFIG_ETRAX_I2C_CLK_PORT -#define i2c_enable() -#define i2c_disable() +#define i2c_enable() +#define i2c_disable() /* enable or disable output-enable, to select output or input on the i2c bus */ @@ -92,7 +89,7 @@ static const char i2c_name[] = "i2c"; #define i2c_dir_out() \ *R_PORT_PB_I2C = (port_pb_i2c_shadow &= ~IO_MASK(R_PORT_PB_I2C, i2c_oe_)); \ - REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 1); + REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 1); #define i2c_dir_in() \ *R_PORT_PB_I2C = (port_pb_i2c_shadow |= IO_MASK(R_PORT_PB_I2C, i2c_oe_)); \ REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 0); @@ -190,7 +187,7 @@ i2c_outbyte(unsigned char x) } else { i2c_data(I2C_DATA_LOW); } - + i2c_delay(CLOCK_LOW_TIME/2); i2c_clk(I2C_CLOCK_HIGH); i2c_delay(CLOCK_HIGH_TIME); @@ -417,7 +414,7 @@ i2c_sendnack(void) *# *#--------------------------------------------------------------------------*/ int -i2c_writereg(unsigned char theSlave, unsigned char theReg, +i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue) { int error, cntr = 3; @@ -469,7 +466,7 @@ i2c_writereg(unsigned char theSlave, unsigned char theReg, * enable interrupt again */ local_irq_restore(flags); - + } while(error && cntr--); i2c_delay(CLOCK_LOW_TIME); @@ -505,7 +502,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg) * generate start condition */ i2c_start(); - + /* * send slave address */ @@ -556,7 +553,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg) * enable interrupt again */ local_irq_restore(flags); - + } while(error && cntr--); spin_unlock(&i2c_lock); @@ -567,7 +564,6 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg) static int i2c_open(struct inode *inode, struct file *filp) { - cycle_kernel_lock(); return 0; } @@ -580,9 +576,7 @@ i2c_release(struct inode *inode, struct file *filp) /* Main device API. ioctl's to write or read to/from i2c registers. */ -static int -i2c_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) { return -EINVAL; @@ -591,7 +585,7 @@ i2c_ioctl(struct inode *inode, struct file *file, switch (_IOC_NR(cmd)) { case I2C_WRITEREG: /* write to an i2c slave */ - D(printk("i2cw %d %d %d\n", + D(printk(KERN_DEBUG "i2cw %d %d %d\n", I2C_ARGSLAVE(arg), I2C_ARGREG(arg), I2C_ARGVALUE(arg))); @@ -603,26 +597,26 @@ i2c_ioctl(struct inode *inode, struct file *file, { unsigned char val; /* read from an i2c slave */ - D(printk("i2cr %d %d ", + D(printk(KERN_DEBUG "i2cr %d %d ", I2C_ARGSLAVE(arg), I2C_ARGREG(arg))); val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg)); - D(printk("= %d\n", val)); + D(printk(KERN_DEBUG "= %d\n", val)); return val; - } + } default: return -EINVAL; } - return 0; } static const struct file_operations i2c_fops = { - .owner = THIS_MODULE, - .ioctl = i2c_ioctl, - .open = i2c_open, - .release = i2c_release, + .owner = THIS_MODULE, + .unlocked_ioctl = i2c_ioctl, + .open = i2c_open, + .release = i2c_release, + .llseek = noop_llseek, }; int __init diff --git a/arch/cris/arch-v10/drivers/i2c.h b/arch/cris/arch-v10/drivers/i2c.h index 4ee91426bd4..e36c9627647 100644 --- a/arch/cris/arch-v10/drivers/i2c.h +++ b/arch/cris/arch-v10/drivers/i2c.h @@ -1,5 +1,4 @@ -/* $Id: i2c.h,v 1.3 2004/05/28 09:26:59 starvik Exp $ */ - +/* i2c.h */ int i2c_init(void); /* High level I2C actions */ diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c deleted file mode 100644 index 1e90c1a9c84..00000000000 --- a/arch/cris/arch-v10/drivers/pcf8563.c +++ /dev/null @@ -1,369 +0,0 @@ -/* - * PCF8563 RTC - * - * From Phillips' datasheet: - * - * The PCF8563 is a CMOS real-time clock/calendar optimized for low power - * consumption. A programmable clock output, interrupt output and voltage - * low detector are also provided. All address and data are transferred - * serially via two-line bidirectional I2C-bus. Maximum bus speed is - * 400 kbits/s. The built-in word address register is incremented - * automatically after each written or read byte. - * - * Copyright (c) 2002-2007, Axis Communications AB - * All rights reserved. - * - * Author: Tobias Anderberg <tobiasa@axis.com>. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/ioctl.h> -#include <linux/delay.h> -#include <linux/bcd.h> -#include <linux/mutex.h> - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/rtc.h> - -#include "i2c.h" - -#define PCF8563_MAJOR 121 /* Local major number. */ -#define DEVICE_NAME "rtc" /* Name which is registered in /proc/devices. */ -#define PCF8563_NAME "PCF8563" -#define DRIVER_VERSION "$Revision: 1.24 $" - -/* I2C bus slave registers. */ -#define RTC_I2C_READ 0xa3 -#define RTC_I2C_WRITE 0xa2 - -/* Two simple wrapper macros, saves a few keystrokes. */ -#define rtc_read(x) i2c_readreg(RTC_I2C_READ, x) -#define rtc_write(x,y) i2c_writereg(RTC_I2C_WRITE, x, y) - -static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ - -static const unsigned char days_in_month[] = - { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; - -int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); - -/* Cache VL bit value read at driver init since writing the RTC_SECOND - * register clears the VL status. - */ -static int voltage_low; - -static const struct file_operations pcf8563_fops = { - .owner = THIS_MODULE, - .ioctl = pcf8563_ioctl, -}; - -unsigned char -pcf8563_readreg(int reg) -{ - unsigned char res = rtc_read(reg); - - /* The PCF8563 does not return 0 for unimplemented bits. */ - switch (reg) { - case RTC_SECONDS: - case RTC_MINUTES: - res &= 0x7F; - break; - case RTC_HOURS: - case RTC_DAY_OF_MONTH: - res &= 0x3F; - break; - case RTC_WEEKDAY: - res &= 0x07; - break; - case RTC_MONTH: - res &= 0x1F; - break; - case RTC_CONTROL1: - res &= 0xA8; - break; - case RTC_CONTROL2: - res &= 0x1F; - break; - case RTC_CLOCKOUT_FREQ: - case RTC_TIMER_CONTROL: - res &= 0x83; - break; - } - return res; -} - -void -pcf8563_writereg(int reg, unsigned char val) -{ - rtc_write(reg, val); -} - -void -get_rtc_time(struct rtc_time *tm) -{ - tm->tm_sec = rtc_read(RTC_SECONDS); - tm->tm_min = rtc_read(RTC_MINUTES); - tm->tm_hour = rtc_read(RTC_HOURS); - tm->tm_mday = rtc_read(RTC_DAY_OF_MONTH); - tm->tm_wday = rtc_read(RTC_WEEKDAY); - tm->tm_mon = rtc_read(RTC_MONTH); - tm->tm_year = rtc_read(RTC_YEAR); - - if (tm->tm_sec & 0x80) { - printk(KERN_ERR "%s: RTC Voltage Low - reliable date/time " - "information is no longer guaranteed!\n", PCF8563_NAME); - } - - tm->tm_year = bcd2bin(tm->tm_year) + - ((tm->tm_mon & 0x80) ? 100 : 0); - tm->tm_sec &= 0x7F; - tm->tm_min &= 0x7F; - tm->tm_hour &= 0x3F; - tm->tm_mday &= 0x3F; - tm->tm_wday &= 0x07; /* Not coded in BCD. */ - tm->tm_mon &= 0x1F; - - tm->tm_sec = bcd2bin(tm->tm_sec); - tm->tm_min = bcd2bin(tm->tm_min); - tm->tm_hour = bcd2bin(tm->tm_hour); - tm->tm_mday = bcd2bin(tm->tm_mday); - tm->tm_mon = bcd2bin(tm->tm_mon); - tm->tm_mon--; /* Month is 1..12 in RTC but 0..11 in linux */ -} - -int __init -pcf8563_init(void) -{ - static int res; - static int first = 1; - - if (!first) - return res; - first = 0; - - /* Initiate the i2c protocol. */ - res = i2c_init(); - if (res < 0) { - printk(KERN_CRIT "pcf8563_init: Failed to init i2c.\n"); - return res; - } - - /* - * First of all we need to reset the chip. This is done by - * clearing control1, control2 and clk freq and resetting - * all alarms. - */ - if (rtc_write(RTC_CONTROL1, 0x00) < 0) - goto err; - - if (rtc_write(RTC_CONTROL2, 0x00) < 0) - goto err; - - if (rtc_write(RTC_CLOCKOUT_FREQ, 0x00) < 0) - goto err; - - if (rtc_write(RTC_TIMER_CONTROL, 0x03) < 0) - goto err; - - /* Reset the alarms. */ - if (rtc_write(RTC_MINUTE_ALARM, 0x80) < 0) - goto err; - - if (rtc_write(RTC_HOUR_ALARM, 0x80) < 0) - goto err; - - if (rtc_write(RTC_DAY_ALARM, 0x80) < 0) - goto err; - - if (rtc_write(RTC_WEEKDAY_ALARM, 0x80) < 0) - goto err; - - /* Check for low voltage, and warn about it. */ - if (rtc_read(RTC_SECONDS) & 0x80) { - voltage_low = 1; - printk(KERN_WARNING "%s: RTC Voltage Low - reliable " - "date/time information is no longer guaranteed!\n", - PCF8563_NAME); - } - - return res; - -err: - printk(KERN_INFO "%s: Error initializing chip.\n", PCF8563_NAME); - res = -1; - return res; -} - -void __exit -pcf8563_exit(void) -{ - unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME); -} - -/* - * ioctl calls for this driver. Why return -ENOTTY upon error? Because - * POSIX says so! - */ -int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - /* Some sanity checks. */ - if (_IOC_TYPE(cmd) != RTC_MAGIC) - return -ENOTTY; - - if (_IOC_NR(cmd) > RTC_MAX_IOCTL) - return -ENOTTY; - - switch (cmd) { - case RTC_RD_TIME: - { - struct rtc_time tm; - - mutex_lock(&rtc_lock); - memset(&tm, 0, sizeof tm); - get_rtc_time(&tm); - - if (copy_to_user((struct rtc_time *) arg, &tm, - sizeof tm)) { - mutex_unlock(&rtc_lock); - return -EFAULT; - } - - mutex_unlock(&rtc_lock); - - return 0; - } - case RTC_SET_TIME: - { - int leap; - int year; - int century; - struct rtc_time tm; - - memset(&tm, 0, sizeof tm); - if (!capable(CAP_SYS_TIME)) - return -EPERM; - - if (copy_from_user(&tm, (struct rtc_time *) arg, sizeof tm)) - return -EFAULT; - - /* Convert from struct tm to struct rtc_time. */ - tm.tm_year += 1900; - tm.tm_mon += 1; - - /* - * Check if tm.tm_year is a leap year. A year is a leap - * year if it is divisible by 4 but not 100, except - * that years divisible by 400 _are_ leap years. - */ - year = tm.tm_year; - leap = (tm.tm_mon == 2) && - ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0); - - /* Perform some sanity checks. */ - if ((tm.tm_year < 1970) || - (tm.tm_mon > 12) || - (tm.tm_mday == 0) || - (tm.tm_mday > days_in_month[tm.tm_mon] + leap) || - (tm.tm_wday >= 7) || - (tm.tm_hour >= 24) || - (tm.tm_min >= 60) || - (tm.tm_sec >= 60)) - return -EINVAL; - - century = (tm.tm_year >= 2000) ? 0x80 : 0; - tm.tm_year = tm.tm_year % 100; - - tm.tm_year = bin2bcd(tm.tm_year); - tm.tm_mon = bin2bcd(tm.tm_mon); - tm.tm_mday = bin2bcd(tm.tm_mday); - tm.tm_hour = bin2bcd(tm.tm_hour); - tm.tm_min = bin2bcd(tm.tm_min); - tm.tm_sec = bin2bcd(tm.tm_sec); - tm.tm_mon |= century; - - mutex_lock(&rtc_lock); - - rtc_write(RTC_YEAR, tm.tm_year); - rtc_write(RTC_MONTH, tm.tm_mon); - rtc_write(RTC_WEEKDAY, tm.tm_wday); /* Not coded in BCD. */ - rtc_write(RTC_DAY_OF_MONTH, tm.tm_mday); - rtc_write(RTC_HOURS, tm.tm_hour); - rtc_write(RTC_MINUTES, tm.tm_min); - rtc_write(RTC_SECONDS, tm.tm_sec); - - mutex_unlock(&rtc_lock); - - return 0; - } - case RTC_VL_READ: - if (voltage_low) { - printk(KERN_ERR "%s: RTC Voltage Low - " - "reliable date/time information is no " - "longer guaranteed!\n", PCF8563_NAME); - } - - if (copy_to_user((int *) arg, &voltage_low, sizeof(int))) - return -EFAULT; - return 0; - - case RTC_VL_CLR: - { - /* Clear the VL bit in the seconds register in case - * the time has not been set already (which would - * have cleared it). This does not really matter - * because of the cached voltage_low value but do it - * anyway for consistency. */ - - int ret = rtc_read(RTC_SECONDS); - - rtc_write(RTC_SECONDS, (ret & 0x7F)); - - /* Clear the cached value. */ - voltage_low = 0; - - return 0; - } - default: - return -ENOTTY; - } - - return 0; -} - -static int __init pcf8563_register(void) -{ - if (pcf8563_init() < 0) { - printk(KERN_INFO "%s: Unable to initialize Real-Time Clock " - "Driver, %s\n", PCF8563_NAME, DRIVER_VERSION); - return -1; - } - - if (register_chrdev(PCF8563_MAJOR, DEVICE_NAME, &pcf8563_fops) < 0) { - printk(KERN_INFO "%s: Unable to get major number %d for RTC device.\n", - PCF8563_NAME, PCF8563_MAJOR); - return -1; - } - - printk(KERN_INFO "%s Real-Time Clock Driver, %s\n", PCF8563_NAME, - DRIVER_VERSION); - - /* Check for low voltage, and warn about it. */ - if (voltage_low) { - printk(KERN_WARNING "%s: RTC Voltage Low - reliable date/time " - "information is no longer guaranteed!\n", PCF8563_NAME); - } - - return 0; -} - -module_init(pcf8563_register); -module_exit(pcf8563_exit); diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index 6cc1a0319a5..29eb02ab3f2 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -17,22 +17,21 @@ #include <linux/errno.h> #include <linux/major.h> #include <linux/sched.h> -#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/poll.h> #include <linux/init.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/timer.h> +#include <linux/wait.h> #include <asm/irq.h> #include <asm/dma.h> #include <asm/io.h> #include <arch/svinto.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/sync_serial.h> #include <arch/io_interface_mux.h> -/* The receiver is a bit tricky beacuse of the continuous stream of data.*/ +/* The receiver is a bit tricky because of the continuous stream of data.*/ /* */ /* Three DMA descriptors are linked together. Each DMA descriptor is */ /* responsible for port->bufchunk of a common buffer. */ @@ -150,6 +149,7 @@ struct sync_port { }; +static DEFINE_MUTEX(sync_serial_mutex); static int etrax_sync_serial_init(void); static void initialize_port(int portnbr); static inline int sync_data_avail(struct sync_port *port); @@ -158,7 +158,7 @@ static int sync_serial_open(struct inode *inode, struct file *file); static int sync_serial_release(struct inode *inode, struct file *file); static unsigned int sync_serial_poll(struct file *filp, poll_table *wait); -static int sync_serial_ioctl(struct inode *inode, struct file *file, +static long sync_serial_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static ssize_t sync_serial_write(struct file *file, const char *buf, size_t count, loff_t *ppos); @@ -244,14 +244,15 @@ static unsigned sync_serial_prescale_shadow; #define NUMBER_OF_PORTS 2 -static struct file_operations sync_serial_fops = { - .owner = THIS_MODULE, - .write = sync_serial_write, - .read = sync_serial_read, - .poll = sync_serial_poll, - .ioctl = sync_serial_ioctl, - .open = sync_serial_open, - .release = sync_serial_release +static const struct file_operations sync_serial_fops = { + .owner = THIS_MODULE, + .write = sync_serial_write, + .read = sync_serial_read, + .poll = sync_serial_poll, + .unlocked_ioctl = sync_serial_ioctl, + .open = sync_serial_open, + .release = sync_serial_release, + .llseek = noop_llseek, }; static int __init etrax_sync_serial_init(void) @@ -446,7 +447,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) int mode; int err = -EBUSY; - lock_kernel(); + mutex_lock(&sync_serial_mutex); DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev)); if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) { @@ -580,7 +581,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) if (port == &ports[0]) { if (request_irq(8, manual_interrupt, - IRQF_SHARED | IRQF_DISABLED, + IRQF_SHARED, "synchronous serial manual irq", &ports[0])) { printk(KERN_CRIT "Can't alloc " @@ -590,7 +591,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) } else if (port == &ports[1]) { if (request_irq(8, manual_interrupt, - IRQF_SHARED | IRQF_DISABLED, + IRQF_SHARED, "synchronous serial manual irq", &ports[1])) { printk(KERN_CRIT "Can't alloc " @@ -624,11 +625,11 @@ static int sync_serial_open(struct inode *inode, struct file *file) *R_IRQ_MASK1_SET = 1 << port->data_avail_bit; DEBUG(printk(KERN_DEBUG "sser%d rec started\n", dev)); } - ret = 0; + err = 0; out: - unlock_kernel(); - return ret; + mutex_unlock(&sync_serial_mutex); + return err; } static int sync_serial_release(struct inode *inode, struct file *file) @@ -654,7 +655,7 @@ static int sync_serial_release(struct inode *inode, struct file *file) static unsigned int sync_serial_poll(struct file *file, poll_table *wait) { - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); unsigned int mask = 0; struct sync_port *port; DEBUGPOLL(static unsigned int prev_mask = 0); @@ -679,13 +680,13 @@ static unsigned int sync_serial_poll(struct file *file, poll_table *wait) return mask; } -static int sync_serial_ioctl(struct inode *inode, struct file *file, +static int sync_serial_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg) { int return_val = 0; unsigned long flags; - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); struct sync_port *port; if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) { @@ -957,11 +958,23 @@ static int sync_serial_ioctl(struct inode *inode, struct file *file, return return_val; } +static long sync_serial_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + long ret; + + mutex_lock(&sync_serial_mutex); + ret = sync_serial_ioctl_unlocked(file, cmd, arg); + mutex_unlock(&sync_serial_mutex); + + return ret; +} + static ssize_t sync_serial_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); DECLARE_WAITQUEUE(wait, current); struct sync_port *port; unsigned long flags; @@ -1085,7 +1098,7 @@ static ssize_t sync_serial_write(struct file *file, const char *buf, static ssize_t sync_serial_read(struct file *file, char *buf, size_t count, loff_t *ppos) { - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); int avail; struct sync_port *port; unsigned char *start; @@ -1124,7 +1137,8 @@ static ssize_t sync_serial_read(struct file *file, char *buf, if (file->f_flags & O_NONBLOCK) return -EAGAIN; - interruptible_sleep_on(&port->in_wait_q); + wait_event_interruptible(port->in_wait_q, + !(start == end && !port->full)); if (signal_pending(current)) return -EINTR; diff --git a/arch/cris/arch-v10/kernel/Makefile b/arch/cris/arch-v10/kernel/Makefile index dcfec41d353..4841e822cdd 100644 --- a/arch/cris/arch-v10/kernel/Makefile +++ b/arch/cris/arch-v10/kernel/Makefile @@ -1,4 +1,3 @@ -# $Id: Makefile,v 1.6 2004/12/13 12:21:51 starvik Exp $ # # Makefile for the linux kernel. # diff --git a/arch/cris/arch-v10/kernel/debugport.c b/arch/cris/arch-v10/kernel/debugport.c index 99851ba8e5f..7d307cce8bd 100644 --- a/arch/cris/arch-v10/kernel/debugport.c +++ b/arch/cris/arch-v10/kernel/debugport.c @@ -18,9 +18,7 @@ #include <linux/major.h> #include <linux/delay.h> #include <linux/tty.h> -#include <asm/system.h> #include <arch/svinto.h> -#include <asm/io.h> /* Get SIMCOUT. */ extern void reset_watchdog(void); @@ -319,12 +317,6 @@ console_write(struct console *co, const char *buf, unsigned int len) if (!port) return; -#ifdef CONFIG_SVINTO_SIM - /* no use to simulate the serial debug output */ - SIMCOUT(buf, len); - return; -#endif - console_write_direct(co, buf, len); } diff --git a/arch/cris/arch-v10/kernel/dma.c b/arch/cris/arch-v10/kernel/dma.c index 929e6866629..5795047359b 100644 --- a/arch/cris/arch-v10/kernel/dma.c +++ b/arch/cris/arch-v10/kernel/dma.c @@ -8,6 +8,7 @@ #include <asm/dma.h> #include <arch/svinto.h> +#include <arch/system.h> /* Macro to access ETRAX 100 registers */ #define SETS(var, reg, field, val) var = (var & ~IO_MASK_(reg##_, field##_)) | \ @@ -24,7 +25,7 @@ int cris_request_dma(unsigned int dmanr, const char * device_id, unsigned long int gens; int fail = -EINVAL; - if ((dmanr < 0) || (dmanr >= MAX_DMA_CHANNELS)) { + if (dmanr >= MAX_DMA_CHANNELS) { printk(KERN_CRIT "cris_request_dma: invalid DMA channel %u\n", dmanr); return -EINVAL; } @@ -213,7 +214,7 @@ int cris_request_dma(unsigned int dmanr, const char * device_id, void cris_free_dma(unsigned int dmanr, const char * device_id) { unsigned long flags; - if ((dmanr < 0) || (dmanr >= MAX_DMA_CHANNELS)) { + if (dmanr >= MAX_DMA_CHANNELS) { printk(KERN_CRIT "cris_free_dma: invalid DMA channel %u\n", dmanr); return; } diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S index 2c18d08cd91..81570fcd041 100644 --- a/arch/cris/arch-v10/kernel/entry.S +++ b/arch/cris/arch-v10/kernel/entry.S @@ -13,8 +13,8 @@ * after a timer-interrupt and after each system call. * * Stack layout in 'ret_from_system_call': - * ptrace needs to have all regs on the stack. - * if the order here is changed, it needs to be + * ptrace needs to have all regs on the stack. + * if the order here is changed, it needs to be * updated in fork.c:copy_process, signal.c:do_signal, * ptrace.c and ptrace.h * @@ -31,10 +31,11 @@ #include <asm/pgtable.h> ;; functions exported from this file - + .globl system_call .globl ret_from_intr .globl ret_from_fork + .globl ret_from_kernel_thread .globl resume .globl multiple_interrupt .globl hwbreakpoint @@ -45,10 +46,10 @@ .globl do_sigtrap .globl gdb_handle_breakpoint .globl sys_call_table - + ;; below are various parts of system_call which are not in the fast-path - -#ifdef CONFIG_PREEMPT + +#ifdef CONFIG_PREEMPT ; Check if preemptive kernel scheduling should be done _resume_kernel: di @@ -73,7 +74,7 @@ _need_resched: nop #else #define _resume_kernel _Rexit -#endif +#endif ; Called at exit from fork. schedule_tail must be called to drop ; spinlock if CONFIG_PREEMPT @@ -81,18 +82,25 @@ ret_from_fork: jsr schedule_tail ba ret_from_sys_call nop - + +ret_from_kernel_thread: + jsr schedule_tail + move.d $r2, $r10 ; argument is here + jsr $r1 ; call the payload + moveq 0, $r9 ; no syscall restarts, TYVM... + ba ret_from_sys_call + ret_from_intr: - ;; check for resched if preemptive kernel or if we're going back to user-mode + ;; check for resched if preemptive kernel or if we're going back to user-mode ;; this test matches the user_regs(regs) macro ;; we cannot simply test $dccr, because that does not necessarily ;; reflect what mode we'll return into. - + move.d [$sp + PT_dccr], $r0; regs->dccr btstq 8, $r0 ; U-flag bpl _resume_kernel - ; Note that di below is in delay slot - + ; Note that di below is in delay slot + _resume_userspace: di ; so need_resched and sigpending don't change @@ -105,7 +113,7 @@ _resume_userspace: nop ba _Rexit nop - + ;; The system_call is called by a BREAK instruction, which works like ;; an interrupt call but it stores the return PC in BRP instead of IRP. ;; Since we dont really want to have two epilogues (one for system calls @@ -115,7 +123,7 @@ _resume_userspace: ;; ;; Since we can't have system calls inside interrupts, it should not matter ;; that we don't stack IRP. - ;; + ;; ;; In r9 we have the wanted syscall number. Arguments come in r10,r11,r12,r13,mof,srp ;; ;; This function looks on the _surface_ like spaghetti programming, but it's @@ -132,7 +140,7 @@ system_call: movem $r13, [$sp] ; push r0-r13 push $r10 ; push orig_r10 clear.d [$sp=$sp-4] ; frametype == 0, normal stackframe - + movs.w -ENOSYS, $r0 move.d $r0, [$sp+PT_r10] ; put the default return value in r10 in the frame @@ -140,17 +148,17 @@ system_call: movs.w -8192, $r0 ; THREAD_SIZE == 8192 and.d $sp, $r0 - + move.d [$r0+TI_flags], $r0 btstq TIF_SYSCALL_TRACE, $r0 bmi _syscall_trace_entry - nop + nop -_syscall_traced: +_syscall_traced: ;; check for sanity in the requested syscall number - - cmpu.w NR_syscalls, $r9 + + cmpu.w NR_syscalls, $r9 bcc ret_from_sys_call lslq 2, $r9 ; multiply by 4, in the delay slot @@ -158,28 +166,28 @@ _syscall_traced: ;; of the register structure itself. some syscalls need this. push $sp - + ;; the parameter carrying registers r10, r11, r12 and 13 are intact. - ;; the fifth and sixth parameters (if any) was in mof and srp + ;; the fifth and sixth parameters (if any) was in mof and srp ;; respectively, and we need to put them on the stack. push $srp push $mof - + jsr [$r9+sys_call_table] ; actually do the system call addq 3*4, $sp ; pop the mof, srp and regs parameters move.d $r10, [$sp+PT_r10] ; save the return value moveq 1, $r9 ; "parameter" to ret_from_sys_call to show it was a sys call - + ;; fall through into ret_from_sys_call to return - + ret_from_sys_call: ;; r9 is a parameter - if >=1 we came from a syscall, if 0, from an irq - + ;; get the current task-struct pointer (see top for defs) - movs.w -8192, $r0 ; THREAD_SIZE == 8192 + movs.w -8192, $r0 ; THREAD_SIZE == 8192 and.d $sp, $r0 di ; make sure need_resched and sigpending don't change @@ -194,7 +202,7 @@ _Rexit: bne _RBFexit ; was not CRIS_FRAME_NORMAL, handle otherwise addq 4, $sp ; skip orig_r10, in delayslot movem [$sp+], $r13 ; registers r0-r13 - pop $mof ; multiply overflow register + pop $mof ; multiply overflow register pop $dccr ; condition codes pop $srp ; subroutine return pointer ;; now we have a 4-word SBFS frame which we do not want to restore @@ -208,14 +216,14 @@ _Rexit: _RBFexit: movem [$sp+], $r13 ; registers r0-r13, in delay slot - pop $mof ; multiply overflow register + pop $mof ; multiply overflow register pop $dccr ; condition codes pop $srp ; subroutine return pointer rbf [$sp+] ; return by popping the CPU status ;; We get here after doing a syscall if extra work might need to be done ;; perform syscall exit tracing if needed - + _syscall_exit_work: ;; $r0 contains current at this point and irq's are disabled @@ -223,22 +231,22 @@ _syscall_exit_work: btstq TIF_SYSCALL_TRACE, $r1 bpl _work_pending nop - + ei move.d $r9, $r1 ; preserve r9 jsr do_syscall_trace move.d $r1, $r9 - + ba _resume_userspace nop - + _work_pending: move.d [$r0+TI_flags], $r1 btstq TIF_NEED_RESCHED, $r1 bpl _work_notifysig ; was neither trace nor sched, must be signal/notify nop - + _work_resched: move.d $r9, $r1 ; preserve r9 jsr schedule @@ -260,17 +268,17 @@ _work_notifysig: move.d $sp, $r11 ; the regs param move.d $r1, $r12 ; the thread_info_flags parameter jsr do_notify_resume - + ba _Rexit nop ;; We get here as a sidetrack when we've entered a syscall with the ;; trace-bit set. We need to call do_syscall_trace and then continue ;; with the call. - + _syscall_trace_entry: ;; PT_r10 in the frame contains -ENOSYS as required, at this point - + jsr do_syscall_trace ;; now re-enter the syscall code to do the syscall itself @@ -284,10 +292,10 @@ _syscall_trace_entry: move.d [$sp+PT_r13], $r13 move [$sp+PT_mof], $mof move [$sp+PT_srp], $srp - + ba _syscall_traced nop - + ;; resume performs the actual task-switching, by switching stack pointers ;; input arguments: r10 = prev, r11 = next, r12 = thread offset in task struct ;; returns old current in r10 @@ -295,29 +303,29 @@ _syscall_trace_entry: ;; TODO: see the i386 version. The switch_to which calls resume in our version ;; could really be an inline asm of this. -resume: - push $srp ; we keep the old/new PC on the stack +resume: + push $srp ; we keep the old/new PC on the stack add.d $r12, $r10 ; r10 = current tasks tss move $dccr, [$r10+THREAD_dccr]; save irq enable state di move $usp, [$r10+ THREAD_usp] ; save user-mode stackpointer - + ;; See copy_thread for the reason why register R9 is saved. subq 10*4, $sp movem $r9, [$sp] ; save non-scratch registers and R9. - + move.d $sp, [$r10+THREAD_ksp] ; save the kernel stack pointer for the old task move.d $sp, $r10 ; return last running task in r10 and.d -8192, $r10 ; get thread_info from stackpointer - move.d [$r10+TI_task], $r10 ; get task + move.d [$r10+TI_task], $r10 ; get task add.d $r12, $r11 ; find the new tasks tss move.d [$r11+THREAD_ksp], $sp ; switch into the new stackframe by restoring kernel sp movem [$sp+], $r9 ; restore non-scratch registers and R9. move [$r11+THREAD_usp], $usp ; restore user-mode stackpointer - + move [$r11+THREAD_dccr], $dccr ; restore irq enable status jump [$sp+] ; restore PC @@ -358,7 +366,7 @@ mmu_bus_fault: 1: btstq 12, $r1 ; Refill? bpl 2f lsrq 24, $r1 ; Get PGD index (bit 24-31) - move.d [per_cpu__current_pgd], $r0 ; PGD for the current process + move.d [current_pgd], $r0 ; PGD for the current process move.d [$r0+$r1.d], $r0 ; Get PMD beq 2f nop @@ -393,7 +401,7 @@ mmu_bus_fault: push $r10 ; frametype == 1, BUSFAULT frame type move.d $sp, $r10 ; pt_regs argument to handle_mmu_bus_fault - + jsr handle_mmu_bus_fault ; in arch/cris/arch-v10/mm/fault.c ;; now we need to return through the normal path, we cannot just @@ -402,10 +410,10 @@ mmu_bus_fault: ;; whatever. moveq 0, $r9 ; busfault is equivalent to an irq - + ba ret_from_intr nop - + ;; special handlers for breakpoint and NMI hwbreakpoint: push $dccr @@ -421,7 +429,7 @@ hwbreakpoint: pop $dccr retb nop - + IRQ1_interrupt: ;; this prologue MUST match the one in irq.h and the struct in ptregs.h!!! move $brp,[$sp=$sp-16]; instruction pointer and room for a fake SBFS frame @@ -449,7 +457,7 @@ IRQ1_interrupt: ba _Rexit ; Return the standard way nop wdog: -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#if defined(CONFIG_ETRAX_WATCHDOG) ;; Check if we're waiting for reset to happen, as signalled by ;; hard_reset_now setting cause_of_death to a magic value. If so, just ;; get stuck until reset happens. @@ -492,7 +500,7 @@ Watchdog_bite: move.d $r10, [$r11] #endif - + ;; Note that we don't do "setf m" here (or after two necessary NOPs), ;; since *not* doing that saves us from re-entrancy checks. We don't want ;; to get here again due to possible subsequent NMIs; we want the watchdog @@ -515,16 +523,16 @@ _watchdogmsg: .ascii "Oops: bitten by watchdog\n\0" .previous -#endif /* CONFIG_ETRAX_WATCHDOG and not CONFIG_SVINTO_SIM */ +#endif /* CONFIG_ETRAX_WATCHDOG */ -spurious_interrupt: +spurious_interrupt: di jump hard_reset_now ;; this handles the case when multiple interrupts arrive at the same time ;; we jump to the first set interrupt bit in a priority fashion ;; the hardware will call the unserved interrupts after the handler finishes - + multiple_interrupt: ;; this prologue MUST match the one in irq.h and the struct in ptregs.h!!! move $irp,[$sp=$sp-16]; instruction pointer and room for a fake SBFS frame @@ -543,7 +551,7 @@ multiple_interrupt: jump ret_from_intr do_sigtrap: - ;; + ;; ;; SIGTRAP the process that executed the break instruction. ;; Make a frame that Rexit in entry.S expects. ;; @@ -560,39 +568,32 @@ do_sigtrap: movs.w -8192,$r9 ; THREAD_SIZE == 8192 and.d $sp, $r9 move.d [$r9+TI_task], $r10 - move.d [$r10+TASK_pid], $r10 ; current->pid as arg1. + move.d [$r10+TASK_pid], $r10 ; current->pid as arg1. moveq 5, $r11 ; SIGTRAP as arg2. - jsr sys_kill + jsr sys_kill jump ret_from_intr ; Use the return routine for interrupts. -gdb_handle_breakpoint: +gdb_handle_breakpoint: push $dccr push $r0 #ifdef CONFIG_ETRAX_KGDB - move $dccr, $r0 ; U-flag not affected by previous insns. + move $dccr, $r0 ; U-flag not affected by previous insns. btstq 8, $r0 ; Test the U-flag. - bmi _ugdb_handle_breakpoint ; Go to user mode debugging. - nop ; Empty delay slot (cannot pop r0 here). + bmi _ugdb_handle_breakpoint ; Go to user mode debugging. + nop ; Empty delay slot (cannot pop r0 here). pop $r0 ; Restore r0. - ba kgdb_handle_breakpoint ; Go to kernel debugging. + ba kgdb_handle_breakpoint ; Go to kernel debugging. pop $dccr ; Restore dccr in delay slot. #endif - -_ugdb_handle_breakpoint: + +_ugdb_handle_breakpoint: move $brp, $r0 ; Use r0 temporarily for calculation. subq 2, $r0 ; Set to address of previous instruction. move $r0, $brp - pop $r0 ; Restore r0. - ba do_sigtrap ; SIGTRAP the offending process. + pop $r0 ; Restore r0. + ba do_sigtrap ; SIGTRAP the offending process. pop $dccr ; Restore dccr in delay slot. - .global kernel_execve -kernel_execve: - move.d __NR_execve, $r9 - break 13 - ret - nop - .data hw_bp_trigs: @@ -601,7 +602,7 @@ hw_bp_trig_ptr: .dword hw_bp_trigs .section .rodata,"a" -sys_call_table: +sys_call_table: .long sys_restart_syscall /* 0 - old "setup()" system call, used for restarting */ .long sys_exit .long sys_fork @@ -692,7 +693,7 @@ sys_call_table: .long sys_swapon .long sys_reboot .long sys_old_readdir - .long old_mmap /* 90 */ + .long sys_old_mmap /* 90 */ .long sys_munmap .long sys_truncate .long sys_ftruncate @@ -712,7 +713,7 @@ sys_call_table: .long sys_newlstat .long sys_newfstat .long sys_ni_syscall /* old sys_uname holder */ - .long sys_ni_syscall /* sys_iopl in i386 */ + .long sys_ni_syscall /* 110 */ /* sys_iopl in i386 */ .long sys_vhangup .long sys_ni_syscall /* old "idle" system call */ .long sys_ni_syscall /* vm86old in i386 */ @@ -729,7 +730,7 @@ sys_call_table: .long sys_adjtimex .long sys_mprotect /* 125 */ .long sys_sigprocmask - .long sys_ni_syscall /* old "create_module" */ + .long sys_ni_syscall /* old "create_module" */ .long sys_init_module .long sys_delete_module .long sys_ni_syscall /* 130: old "get_kernel_syms" */ @@ -771,7 +772,7 @@ sys_call_table: .long sys_ni_syscall /* sys_vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl @@ -794,7 +795,7 @@ sys_call_table: .long sys_ni_syscall /* streams2 */ .long sys_vfork /* 190 */ .long sys_getrlimit - .long sys_mmap2 + .long sys_mmap2 /* mmap_pgoff */ .long sys_truncate64 .long sys_ftruncate64 .long sys_stat64 /* 195 */ @@ -860,21 +861,21 @@ sys_call_table: .long sys_epoll_ctl /* 255 */ .long sys_epoll_wait .long sys_remap_file_pages - .long sys_set_tid_address - .long sys_timer_create - .long sys_timer_settime /* 260 */ - .long sys_timer_gettime - .long sys_timer_getoverrun - .long sys_timer_delete - .long sys_clock_settime - .long sys_clock_gettime /* 265 */ - .long sys_clock_getres - .long sys_clock_nanosleep + .long sys_set_tid_address + .long sys_timer_create + .long sys_timer_settime /* 260 */ + .long sys_timer_gettime + .long sys_timer_getoverrun + .long sys_timer_delete + .long sys_clock_settime + .long sys_clock_gettime /* 265 */ + .long sys_clock_getres + .long sys_clock_nanosleep .long sys_statfs64 - .long sys_fstatfs64 - .long sys_tgkill /* 270 */ + .long sys_fstatfs64 + .long sys_tgkill /* 270 */ .long sys_utimes - .long sys_fadvise64_64 + .long sys_fadvise64_64 .long sys_ni_syscall /* sys_vserver */ .long sys_ni_syscall /* sys_mbind */ .long sys_ni_syscall /* 275 sys_get_mempolicy */ @@ -885,7 +886,7 @@ sys_call_table: .long sys_mq_timedreceive /* 280 */ .long sys_mq_notify .long sys_mq_getsetattr - .long sys_ni_syscall /* reserved for kexec */ + .long sys_ni_syscall .long sys_waitid .long sys_ni_syscall /* 285 */ /* available */ .long sys_add_key @@ -937,6 +938,23 @@ sys_call_table: .long sys_inotify_init1 .long sys_preadv .long sys_pwritev + .long sys_setns /* 335 */ + .long sys_name_to_handle_at + .long sys_open_by_handle_at + .long sys_rt_tgsigqueueinfo + .long sys_perf_event_open + .long sys_recvmmsg /* 340 */ + .long sys_accept4 + .long sys_fanotify_init + .long sys_fanotify_mark + .long sys_prlimit64 + .long sys_clock_adjtime /* 345 */ + .long sys_syncfs + .long sys_sendmmsg + .long sys_process_vm_readv + .long sys_process_vm_writev + .long sys_kcmp /* 350 */ + .long sys_finit_module /* * NOTE!! This doesn't have to be exact - we just have @@ -948,4 +966,4 @@ sys_call_table: .rept NR_syscalls-(.-sys_call_table)/4 .long sys_ni_syscall .endr - + diff --git a/arch/cris/arch-v10/kernel/fasttimer.c b/arch/cris/arch-v10/kernel/fasttimer.c index 5ff08a8695e..48a59afbeeb 100644 --- a/arch/cris/arch-v10/kernel/fasttimer.c +++ b/arch/cris/arch-v10/kernel/fasttimer.c @@ -21,12 +21,11 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/delay.h> -#include <asm/rtc.h> - #include <arch/svinto.h> #include <asm/fasttimer.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #define DEBUG_LOG_INCLUDED @@ -467,11 +466,7 @@ timer1_handler(int irq, void *dev_id) static void wake_up_func(unsigned long data) { -#ifdef DECLARE_WAITQUEUE - wait_queue_head_t *sleep_wait_p = (wait_queue_head_t*)data; -#else - struct wait_queue **sleep_wait_p = (struct wait_queue **)data; -#endif + wait_queue_head_t *sleep_wait_p = (wait_queue_head_t *)data; wake_up(sleep_wait_p); } @@ -495,197 +490,162 @@ void schedule_usleep(unsigned long us) } #ifdef CONFIG_PROC_FS -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused); -static struct proc_dir_entry *fasttimer_proc_entry; -#endif /* CONFIG_PROC_FS */ - -#ifdef CONFIG_PROC_FS - /* This value is very much based on testing */ #define BIG_BUF_SIZE (500 + NUM_TIMER_STATS * 300) -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused) +static int proc_fasttimer_show(struct seq_file *m, void *v) { - unsigned long flags; - int i = 0; - int num_to_show; + unsigned long flags; + int i = 0; + int num_to_show; struct fasttime_t tv; - struct fast_timer *t, *nextt; - static char *bigbuf = NULL; - static unsigned long used; - - if (!bigbuf && !(bigbuf = vmalloc(BIG_BUF_SIZE))) - { - used = 0; - if (buf) - buf[0] = '\0'; - return 0; - } - - if (!offset || !used) - { - do_gettimeofday_fast(&tv); - - used = 0; - used += sprintf(bigbuf + used, "Fast timers added: %i\n", - fast_timers_added); - used += sprintf(bigbuf + used, "Fast timers started: %i\n", - fast_timers_started); - used += sprintf(bigbuf + used, "Fast timer interrupts: %i\n", - fast_timer_ints); - used += sprintf(bigbuf + used, "Fast timers expired: %i\n", - fast_timers_expired); - used += sprintf(bigbuf + used, "Fast timers deleted: %i\n", - fast_timers_deleted); - used += sprintf(bigbuf + used, "Fast timer running: %s\n", - fast_timer_running ? "yes" : "no"); - used += sprintf(bigbuf + used, "Current time: %lu.%06lu\n", - (unsigned long)tv.tv_jiff, - (unsigned long)tv.tv_usec); + struct fast_timer *t, *nextt; + + do_gettimeofday_fast(&tv); + + seq_printf(m, "Fast timers added: %i\n", fast_timers_added); + seq_printf(m, "Fast timers started: %i\n", fast_timers_started); + seq_printf(m, "Fast timer interrupts: %i\n", fast_timer_ints); + seq_printf(m, "Fast timers expired: %i\n", fast_timers_expired); + seq_printf(m, "Fast timers deleted: %i\n", fast_timers_deleted); + seq_printf(m, "Fast timer running: %s\n", + fast_timer_running ? "yes" : "no"); + seq_printf(m, "Current time: %lu.%06lu\n", + (unsigned long)tv.tv_jiff, + (unsigned long)tv.tv_usec); #ifdef FAST_TIMER_SANITY_CHECKS - used += sprintf(bigbuf + used, "Sanity failed: %i\n", - sanity_failed); + seq_printf(m, "Sanity failed: %i\n", sanity_failed); #endif - used += sprintf(bigbuf + used, "\n"); + seq_putc(m, '\n'); #ifdef DEBUG_LOG_INCLUDED - { - int end_i = debug_log_cnt; - i = 0; - - if (debug_log_cnt_wrapped) - { - i = debug_log_cnt; - } - - while ((i != end_i || (debug_log_cnt_wrapped && !used)) && - used+100 < BIG_BUF_SIZE) - { - used += sprintf(bigbuf + used, debug_log_string[i], - debug_log_value[i]); - i = (i+1) % DEBUG_LOG_MAX; - } - } - used += sprintf(bigbuf + used, "\n"); + { + int end_i = debug_log_cnt; + i = 0; + + if (debug_log_cnt_wrapped) + i = debug_log_cnt; + + while (i != end_i || debug_log_cnt_wrapped) { + if (seq_printf(m, debug_log_string[i], debug_log_value[i]) < 0) + return 0; + i = (i+1) % DEBUG_LOG_MAX; + } + } + seq_putc(m, '\n'); #endif - num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers started: %i\n", fast_timers_started); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE) ; i++) - { - int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; + num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: + NUM_TIMER_STATS); + seq_printf(m, "Timers started: %i\n", fast_timers_started); + for (i = 0; i < num_to_show; i++) { + int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; #if 1 //ndef FAST_TIMER_LOG - used += sprintf(bigbuf + used, "div: %i freq: %i delay: %i" - "\n", - timer_div_settings[cur], - timer_freq_settings[cur], - timer_delay_settings[cur] - ); + seq_printf(m, "div: %i freq: %i delay: %i" + "\n", + timer_div_settings[cur], + timer_freq_settings[cur], + timer_delay_settings[cur]); #endif #ifdef FAST_TIMER_LOG - t = &timer_started_log[cur]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); + t = &timer_started_log[cur]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; #endif - } - used += sprintf(bigbuf + used, "\n"); + } + seq_putc(m, '\n'); #ifdef FAST_TIMER_LOG - num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers added: %i\n", fast_timers_added); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); - - num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers expired: %i\n", fast_timers_expired); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); + num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: + NUM_TIMER_STATS); + seq_printf(m, "Timers added: %i\n", fast_timers_added); + for (i = 0; i < num_to_show; i++) { + t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); + + num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: + NUM_TIMER_STATS); + seq_printf(m, "Timers expired: %i\n", fast_timers_expired); + for (i = 0; i < num_to_show; i++) { + t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); #endif - used += sprintf(bigbuf + used, "Active timers:\n"); - local_irq_save(flags); - t = fast_timer_list; - while (t != NULL && (used+100 < BIG_BUF_SIZE)) - { - nextt = t->next; - local_irq_restore(flags); - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" + seq_puts(m, "Active timers:\n"); + local_irq_save(flags); + t = fast_timer_list; + while (t) { + nextt = t->next; + local_irq_restore(flags); + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" /* " func: 0x%08lX" */ - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data /* , t->function */ - ); - local_irq_save(flags); - if (t->next != nextt) - { - printk(KERN_WARNING "timer removed!\n"); - } - t = nextt; - } - local_irq_restore(flags); - } - - if (used - offset < len) - { - len = used - offset; - } + ) < 0) + return 0; + local_irq_save(flags); + if (t->next != nextt) + printk(KERN_WARNING "timer removed!\n"); + t = nextt; + } + local_irq_restore(flags); - memcpy(buf, bigbuf + offset, len); - *start = buf; - *eof = 1; + return 0; +} - return len; +static int proc_fasttimer_open(struct inode *inode, struct file *file) +{ + return single_open_size(file, proc_fasttimer_show, PDE_DATA(inode), BIG_BUF_SIZE); } + +static const struct file_operations proc_fasttimer_fops = { + .open = proc_fasttimer_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; #endif /* PROC_FS */ #ifdef FAST_TIMER_TEST @@ -863,8 +823,7 @@ int fast_timer_init(void) } #endif #ifdef CONFIG_PROC_FS - if ((fasttimer_proc_entry = create_proc_entry( "fasttimer", 0, 0 ))) - fasttimer_proc_entry->read_proc = proc_fasttimer_read; + proc_create("fasttimer", 0, NULL, &proc_fasttimer_fops); #endif /* PROC_FS */ if(request_irq(TIMER1_IRQ_NBR, timer1_handler, 0, "fast timer int", NULL)) diff --git a/arch/cris/arch-v10/kernel/head.S b/arch/cris/arch-v10/kernel/head.S index fc457710293..4a146e1749c 100644 --- a/arch/cris/arch-v10/kernel/head.S +++ b/arch/cris/arch-v10/kernel/head.S @@ -1,12 +1,10 @@ /* * Head of the kernel - alter with care * - * Copyright (C) 2000, 2001 Axis Communications AB + * Copyright (C) 2000, 2001, 2010 Axis Communications AB * - * Authors: Bjorn Wesen (bjornw@axis.com) - * */ - + #define ASSEMBLER_MACROS_ONLY /* The IO_* macros use the ## token concatenation operator, so -traditional must not be used when assembling this file. */ @@ -18,15 +16,15 @@ #define START_ETHERNET_CLOCK IO_STATE(R_NETWORK_GEN_CONFIG, enable, on) |\ IO_STATE(R_NETWORK_GEN_CONFIG, phy, mii_clk) - + ;; exported symbols - + .globl etrax_irv .globl romfs_start .globl romfs_length .globl romfs_in_flash .globl swapper_pg_dir - + .text ;; This is the entry point of the kernel. We are in supervisor mode. @@ -35,10 +33,10 @@ ;; put a nop (2 bytes) here first so we dont accidentally skip the di ;; ;; NOTICE! The registers r8 and r9 are used as parameters carrying - ;; information from the decompressor (if the kernel was compressed). + ;; information from the decompressor (if the kernel was compressed). ;; They should not be used in the code below until read. - - nop + + nop di ;; First setup the kseg_c mapping from where the kernel is linked @@ -58,19 +56,19 @@ #ifdef CONFIG_CRIS_LOW_MAP ; kseg mappings, temporary map of 0xc0->0x40 - move.d IO_FIELD (R_MMU_KBASE_HI, base_c, 4) \ + move.d IO_FIELD (R_MMU_KBASE_HI, base_c, 4) \ | IO_FIELD (R_MMU_KBASE_HI, base_b, 0xb) \ | IO_FIELD (R_MMU_KBASE_HI, base_9, 9) \ | IO_FIELD (R_MMU_KBASE_HI, base_8, 8), $r0 move.d $r0, [R_MMU_KBASE_HI] - ; temporary map of 0x40->0x40 and 0x60->0x40 - move.d IO_FIELD (R_MMU_KBASE_LO, base_6, 4) \ + ; temporary map of 0x40->0x40 and 0x60->0x40 + move.d IO_FIELD (R_MMU_KBASE_LO, base_6, 4) \ | IO_FIELD (R_MMU_KBASE_LO, base_4, 4), $r0 move.d $r0, [R_MMU_KBASE_LO] ; mmu enable, segs e,c,b,a,6,5,4,0 segment mapped - move.d IO_STATE (R_MMU_CONFIG, mmu_enable, enable) \ + move.d IO_STATE (R_MMU_CONFIG, mmu_enable, enable) \ | IO_STATE (R_MMU_CONFIG, inv_excp, enable) \ | IO_STATE (R_MMU_CONFIG, acc_excp, enable) \ | IO_STATE (R_MMU_CONFIG, we_excp, enable) \ @@ -93,17 +91,17 @@ move.d $r0, [R_MMU_CONFIG] #else ; kseg mappings - move.d IO_FIELD (R_MMU_KBASE_HI, base_e, 8) \ + move.d IO_FIELD (R_MMU_KBASE_HI, base_e, 8) \ | IO_FIELD (R_MMU_KBASE_HI, base_c, 4) \ | IO_FIELD (R_MMU_KBASE_HI, base_b, 0xb), $r0 move.d $r0, [R_MMU_KBASE_HI] - ; temporary map of 0x40->0x40 and 0x00->0x00 + ; temporary map of 0x40->0x40 and 0x00->0x00 move.d IO_FIELD (R_MMU_KBASE_LO, base_4, 4), $r0 move.d $r0, [R_MMU_KBASE_LO] ; mmu enable, segs f,e,c,b,4,0 segment mapped - move.d IO_STATE (R_MMU_CONFIG, mmu_enable, enable) \ + move.d IO_STATE (R_MMU_CONFIG, mmu_enable, enable) \ | IO_STATE (R_MMU_CONFIG, inv_excp, enable) \ | IO_STATE (R_MMU_CONFIG, acc_excp, enable) \ | IO_STATE (R_MMU_CONFIG, we_excp, enable) \ @@ -141,12 +139,12 @@ ;; ;; In both cases, we start in un-cached mode, and need to jump into a ;; cached PC after we're done fiddling around with the segments. - ;; + ;; ;; arch/etrax100/etrax100.ld sets some symbols that define the start ;; and end of each segment. ;; Check if we start from DRAM or FLASH by testing PC - + move.d $pc,$r0 and.d 0x7fffffff,$r0 ; get rid of the non-cache bit cmp.d 0x10000,$r0 ; arbitrary... just something above this code @@ -163,30 +161,28 @@ _inflash0: ;; after init. .section ".init.text", "ax" _inflash: -#ifdef CONFIG_ETRAX_ETHERNET +#ifdef CONFIG_ETRAX_ETHERNET ;; Start MII clock to make sure it is running when tranceiver is reset move.d START_ETHERNET_CLOCK, $r0 move.d $r0, [R_NETWORK_GEN_CONFIG] #endif ;; Set up waitstates etc according to kernel configuration. -#ifndef CONFIG_SVINTO_SIM move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 move.d $r0, [R_WAITSTATES] move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 move.d $r0, [R_BUS_CONFIG] -#endif ;; We need to initialze DRAM registers before we start using the DRAM cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized? beq _dram_init_finished nop - + #include "../lib/dram_init.S" -_dram_init_finished: +_dram_init_finished: ;; Copy text+data to DRAM ;; This is fragile - the calculation of r4 as the image size depends ;; on that the labels below actually are the first and last positions @@ -198,7 +194,7 @@ _dram_init_finished: ;; between the physical start of the flash and the flash-image start, ;; and when run with compression, the kernel is actually unpacked to ;; DRAM and we never get here in the first place :)) - + moveq 0, $r0 ; source move.d text_start, $r1 ; destination move.d __vmlinux_end, $r2 ; end destination @@ -229,10 +225,10 @@ _dram_init_finished: add.d 0xf0000000, $r4 ; add flash start in virtual memory (cached) #endif move.d $r4, [romfs_start] -1: +1: moveq 1, $r0 move.d $r0, [romfs_in_flash] - + jump _start_it ; enter code, cached this time _inram: @@ -241,7 +237,7 @@ _inram: moveq 0, $r0 move.d $r0, [romfs_length] ; default if there is no cramfs - + ;; The kernel could have been unpacked to DRAM by the loader, but ;; the cramfs image could still be in the Flash directly after the ;; compressed kernel image. The loader passes the address of the @@ -251,7 +247,7 @@ _inram: ;; (Notice that if this is not booted from the loader, r9 will be ;; garbage but we do sanity checks on it, the chance that it points ;; to a cramfs magic is small.. ) - + cmp.d 0x0ffffff8, $r9 bhs _no_romfs_in_flash ; r9 points outside the flash area nop @@ -274,20 +270,20 @@ _inram: jump _start_it ; enter code, cached this time _no_romfs_in_flash: - + ;; Check if there is a cramfs (magic value). ;; Notice that we check for cramfs magic value - which is ;; the "rom fs" we'll possibly use in 2.4 if not JFFS (which does ;; not need this mechanism anyway) - move.d __vmlinux_end, $r0; the image will be after the vmlinux end address + move.d __init_end, $r0; the image will be after the end of init move.d [$r0], $r1 ; cramfs assumes same endian on host/target cmp.d CRAMFS_MAGIC, $r1; magic value in cramfs superblock bne 2f nop - ;; Ok. What is its size ? - + ;; Ok. What is its size ? + move.d [$r0 + 4], $r2 ; cramfs_super.size (again, no need to swapwb) ;; We want to copy it to the end of the BSS @@ -303,7 +299,7 @@ _no_romfs_in_flash: add.d $r2, $r0 add.d $r2, $r1 - + ;; Go ahead. Make my loop. lsrq 1, $r2 ; size is in bytes, we copy words @@ -314,14 +310,14 @@ _no_romfs_in_flash: bne 1b nop -2: +2: ;; Dont worry that the BSS is tainted. It will be cleared later. moveq 0, $r0 move.d $r0, [romfs_in_flash] jump _start_it ; better skip the additional cramfs check below - + _start_it: ;; Check if kernel command line is supplied @@ -348,7 +344,7 @@ no_command_line: move.d ibr_start,$r0 ; this symbol is set by the linker script move $r0,$ibr move.d $r0,[etrax_irv] ; set the interrupt base register and pointer - + ;; Clear BSS region, from _bss_start to _end move.d __bss_start, $r0 @@ -357,7 +353,7 @@ no_command_line: cmp.d $r1, $r0 blo 1b nop - + #ifdef CONFIG_BLK_DEV_ETRAXIDE ;; disable ATA before enabling it in genconfig below moveq 0,$r0 @@ -380,7 +376,7 @@ no_command_line: #ifdef CONFIG_JULIETTE ;; configure external DMA channel 0 before enabling it in genconfig - + moveq 0,$r0 move.d $r0,[R_EXT_DMA_0_ADDR] ; cnt enable, word size, output, stop, size 0 @@ -395,7 +391,7 @@ no_command_line: move.d $r0,[R_EXT_DMA_0_CMD] ;; reset dma4 and wait for completion - + moveq IO_STATE (R_DMA_CH4_CMD, cmd, reset),$r0 move.b $r0,[R_DMA_CH4_CMD] 1: move.b [R_DMA_CH4_CMD],$r0 @@ -405,7 +401,7 @@ no_command_line: nop ;; reset dma5 and wait for completion - + moveq IO_STATE (R_DMA_CH5_CMD, cmd, reset),$r0 move.b $r0,[R_DMA_CH5_CMD] 1: move.b [R_DMA_CH5_CMD],$r0 @@ -413,8 +409,8 @@ no_command_line: cmp.b IO_STATE (R_DMA_CH5_CMD, cmd, reset),$r0 beq 1b nop -#endif - +#endif + ;; Etrax product HW genconfig setup moveq 0,$r0 @@ -468,7 +464,6 @@ no_command_line: move.d $r0,[genconfig_shadow] ; init a shadow register of R_GEN_CONFIG -#ifndef CONFIG_SVINTO_SIM move.d $r0,[R_GEN_CONFIG] #if 0 @@ -486,7 +481,7 @@ no_command_line: beq 1b nop #endif - + moveq IO_STATE (R_DMA_CH8_CMD, cmd, reset),$r0 move.b $r0,[R_DMA_CH8_CMD] ; reset (ser1 dma out) move.b $r0,[R_DMA_CH9_CMD] ; reset (ser1 dma in) @@ -503,7 +498,7 @@ no_command_line: ;; setup port PA and PB default initial directions and data ;; including their shadow registers - + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR,$r0 #if defined(CONFIG_BLUETOOTH) && defined(CONFIG_BLUETOOTH_RESET_PA7) or.b IO_STATE (R_PORT_PA_DIR, dir7, output),$r0 @@ -520,7 +515,7 @@ no_command_line: #endif move.b $r0,[port_pa_data_shadow] move.b $r0,[R_PORT_PA_DATA] - + move.b CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG,$r0 move.b $r0,[port_pb_config_shadow] move.b $r0,[R_PORT_PB_CONFIG] @@ -562,13 +557,13 @@ no_command_line: #endif move.d $r0,[port_g_data_shadow] move.d $r0,[R_PORT_G_DATA] - + ;; setup the serial port 0 at 115200 baud for debug purposes - + moveq IO_STATE (R_SERIAL0_XOFF, tx_stop, enable) \ | IO_STATE (R_SERIAL0_XOFF, auto_xoff, disable) \ | IO_FIELD (R_SERIAL0_XOFF, xoff_char, 0),$r0 - move.d $r0,[R_SERIAL0_XOFF] + move.d $r0,[R_SERIAL0_XOFF] ; 115.2kbaud for both transmit and receive move.b IO_STATE (R_SERIAL0_BAUD, tr_baud, c115k2Hz) \ @@ -584,8 +579,8 @@ no_command_line: | IO_STATE (R_SERIAL0_REC_CTRL, rec_par, even) \ | IO_STATE (R_SERIAL0_REC_CTRL, rec_par_en, disable) \ | IO_STATE (R_SERIAL0_REC_CTRL, rec_bitnr, rec_8bit),$r0 - move.b $r0,[R_SERIAL0_REC_CTRL] - + move.b $r0,[R_SERIAL0_REC_CTRL] + ; Set up and enable the serial0 transmitter. move.b IO_FIELD (R_SERIAL0_TR_CTRL, txd, 0) \ | IO_STATE (R_SERIAL0_TR_CTRL, tr_enable, enable) \ @@ -598,11 +593,11 @@ no_command_line: move.b $r0,[R_SERIAL0_TR_CTRL] ;; setup the serial port 1 at 115200 baud for debug purposes - + moveq IO_STATE (R_SERIAL1_XOFF, tx_stop, enable) \ | IO_STATE (R_SERIAL1_XOFF, auto_xoff, disable) \ | IO_FIELD (R_SERIAL1_XOFF, xoff_char, 0),$r0 - move.d $r0,[R_SERIAL1_XOFF] + move.d $r0,[R_SERIAL1_XOFF] ; 115.2kbaud for both transmit and receive move.b IO_STATE (R_SERIAL1_BAUD, tr_baud, c115k2Hz) \ @@ -618,8 +613,8 @@ no_command_line: | IO_STATE (R_SERIAL1_REC_CTRL, rec_par, even) \ | IO_STATE (R_SERIAL1_REC_CTRL, rec_par_en, disable) \ | IO_STATE (R_SERIAL1_REC_CTRL, rec_bitnr, rec_8bit),$r0 - move.b $r0,[R_SERIAL1_REC_CTRL] - + move.b $r0,[R_SERIAL1_REC_CTRL] + ; Set up and enable the serial1 transmitter. move.b IO_FIELD (R_SERIAL1_TR_CTRL, txd, 0) \ | IO_STATE (R_SERIAL1_TR_CTRL, tr_enable, enable) \ @@ -666,14 +661,14 @@ no_command_line: | IO_STATE (R_SERIAL2_TR_CTRL, tr_bitnr, tr_8bit),$r0 move.b $r0,[R_SERIAL2_TR_CTRL] #endif - -#ifdef CONFIG_ETRAX_SERIAL_PORT3 + +#ifdef CONFIG_ETRAX_SERIAL_PORT3 ;; setup the serial port 3 at 115200 baud for debug purposes - + moveq IO_STATE (R_SERIAL3_XOFF, tx_stop, enable) \ | IO_STATE (R_SERIAL3_XOFF, auto_xoff, disable) \ | IO_FIELD (R_SERIAL3_XOFF, xoff_char, 0),$r0 - move.d $r0,[R_SERIAL3_XOFF] + move.d $r0,[R_SERIAL3_XOFF] ; 115.2kbaud for both transmit and receive move.b IO_STATE (R_SERIAL3_BAUD, tr_baud, c115k2Hz) \ @@ -689,8 +684,8 @@ no_command_line: | IO_STATE (R_SERIAL3_REC_CTRL, rec_par, even) \ | IO_STATE (R_SERIAL3_REC_CTRL, rec_par_en, disable) \ | IO_STATE (R_SERIAL3_REC_CTRL, rec_bitnr, rec_8bit),$r0 - move.b $r0,[R_SERIAL3_REC_CTRL] - + move.b $r0,[R_SERIAL3_REC_CTRL] + ; Set up and enable the serial3 transmitter. move.b IO_FIELD (R_SERIAL3_TR_CTRL, txd, 0) \ | IO_STATE (R_SERIAL3_TR_CTRL, tr_enable, enable) \ @@ -702,13 +697,11 @@ no_command_line: | IO_STATE (R_SERIAL3_TR_CTRL, tr_bitnr, tr_8bit),$r0 move.b $r0,[R_SERIAL3_TR_CTRL] #endif - -#endif /* CONFIG_SVINTO_SIM */ jump start_kernel ; jump into the C-function start_kernel in init/main.c - + .data -etrax_irv: +etrax_irv: .dword 0 romfs_start: .dword 0 @@ -716,13 +709,13 @@ romfs_length: .dword 0 romfs_in_flash: .dword 0 - + ;; put some special pages at the beginning of the kernel aligned ;; to page boundaries - the kernel cannot start until after this #ifdef CONFIG_CRIS_LOW_MAP swapper_pg_dir = 0x60002000 -#else +#else swapper_pg_dir = 0xc0002000 #endif diff --git a/arch/cris/arch-v10/kernel/io_interface_mux.c b/arch/cris/arch-v10/kernel/io_interface_mux.c index 29f97e96279..ad64cd1c861 100644 --- a/arch/cris/arch-v10/kernel/io_interface_mux.c +++ b/arch/cris/arch-v10/kernel/io_interface_mux.c @@ -14,6 +14,7 @@ #include <arch/svinto.h> #include <asm/io.h> #include <arch/io_interface_mux.h> +#include <arch/system.h> #define DBG(s) diff --git a/arch/cris/arch-v10/kernel/irq.c b/arch/cris/arch-v10/kernel/irq.c index 5d75f77f9c7..09cae80a834 100644 --- a/arch/cris/arch-v10/kernel/irq.c +++ b/arch/cris/arch-v10/kernel/irq.c @@ -5,7 +5,7 @@ * * Authors: Bjorn Wesen (bjornw@axis.com) * - * This file contains the interrupt vectors and some + * This file contains the interrupt vectors and some * helper functions * */ @@ -17,8 +17,11 @@ #include <linux/kernel.h> #include <linux/init.h> -#define mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr)); -#define unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr)); +#define crisv10_mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr)); +#define crisv10_unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr)); + +extern void kgdb_init(void); +extern void breakpoint(void); /* don't use set_int_vector, it bypasses the linux interrupt handlers. it is * global just so that the kernel gdb can use it. @@ -104,43 +107,21 @@ static void (*interrupt[NR_IRQS])(void) = { IRQ31_interrupt }; -static void enable_crisv10_irq(unsigned int irq); - -static unsigned int startup_crisv10_irq(unsigned int irq) -{ - enable_crisv10_irq(irq); - return 0; -} - -#define shutdown_crisv10_irq disable_crisv10_irq - -static void enable_crisv10_irq(unsigned int irq) -{ - unmask_irq(irq); -} - -static void disable_crisv10_irq(unsigned int irq) -{ - mask_irq(irq); -} - -static void ack_crisv10_irq(unsigned int irq) +static void enable_crisv10_irq(struct irq_data *data) { + crisv10_unmask_irq(data->irq); } -static void end_crisv10_irq(unsigned int irq) +static void disable_crisv10_irq(struct irq_data *data) { + crisv10_mask_irq(data->irq); } static struct irq_chip crisv10_irq_type = { - .typename = "CRISv10", - .startup = startup_crisv10_irq, - .shutdown = shutdown_crisv10_irq, - .enable = enable_crisv10_irq, - .disable = disable_crisv10_irq, - .ack = ack_crisv10_irq, - .end = end_crisv10_irq, - .set_affinity = NULL + .name = "CRISv10", + .irq_shutdown = disable_crisv10_irq, + .irq_enable = enable_crisv10_irq, + .irq_disable = disable_crisv10_irq, }; void weird_irq(void); @@ -201,19 +182,14 @@ void do_multiple_IRQ(struct pt_regs* regs) setting the irq vector table. */ -void __init -init_IRQ(void) +void __init init_IRQ(void) { int i; /* clear all interrupt masks */ - -#ifndef CONFIG_SVINTO_SIM *R_IRQ_MASK0_CLR = 0xffffffff; *R_IRQ_MASK1_CLR = 0xffffffff; *R_IRQ_MASK2_CLR = 0xffffffff; -#endif - *R_VECT_MASK_CLR = 0xffffffff; for (i = 0; i < 256; i++) @@ -221,7 +197,8 @@ init_IRQ(void) /* Initialize IRQ handler descriptors. */ for(i = 2; i < NR_IRQS; i++) { - irq_desc[i].chip = &crisv10_irq_type; + irq_set_chip_and_handler(i, &crisv10_irq_type, + handle_simple_irq); set_int_vector(i, interrupt[i]); } @@ -229,25 +206,20 @@ init_IRQ(void) executed by the associated break handler, rather than just a jump address. therefore we need to setup a default breakpoint handler for all breakpoints */ - for (i = 0; i < 16; i++) set_break_vector(i, do_sigtrap); - - /* except IRQ 15 which is the multiple-IRQ handler on Etrax100 */ + /* except IRQ 15 which is the multiple-IRQ handler on Etrax100 */ set_int_vector(15, multiple_interrupt); - - /* 0 and 1 which are special breakpoint/NMI traps */ + /* 0 and 1 which are special breakpoint/NMI traps */ set_int_vector(0, hwbreakpoint); set_int_vector(1, IRQ1_interrupt); /* and irq 14 which is the mmu bus fault handler */ - set_int_vector(14, mmu_bus_fault); /* setup the system-call trap, which is reached by BREAK 13 */ - set_break_vector(13, system_call); /* setup a breakpoint handler for debugging used for both user and diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c index b9f9c8ce216..22d846bfc57 100644 --- a/arch/cris/arch-v10/kernel/kgdb.c +++ b/arch/cris/arch-v10/kernel/kgdb.c @@ -230,46 +230,6 @@ struct register_image unsigned int usp; /* 0x66 User mode stack pointer */ } registers; -/************** Prototypes for local library functions ***********************/ - -/* Copy of strcpy from libc. */ -static char *gdb_cris_strcpy (char *s1, const char *s2); - -/* Copy of strlen from libc. */ -static int gdb_cris_strlen (const char *s); - -/* Copy of memchr from libc. */ -static void *gdb_cris_memchr (const void *s, int c, int n); - -/* Copy of strtol from libc. Does only support base 16. */ -static int gdb_cris_strtol (const char *s, char **endptr, int base); - -/********************** Prototypes for local functions. **********************/ -/* Copy the content of a register image into another. The size n is - the size of the register image. Due to struct assignment generation of - memcpy in libc. */ -static void copy_registers (registers *dptr, registers *sptr, int n); - -/* Copy the stored registers from the stack. Put the register contents - of thread thread_id in the struct reg. */ -static void copy_registers_from_stack (int thread_id, registers *reg); - -/* Copy the registers to the stack. Put the register contents of thread - thread_id from struct reg to the stack. */ -static void copy_registers_to_stack (int thread_id, registers *reg); - -/* Write a value to a specified register regno in the register image - of the current thread. */ -static int write_register (int regno, char *val); - -/* Write a value to a specified register in the stack of a thread other - than the current thread. */ -static write_stack_register (int thread_id, int regno, char *valptr); - -/* Read a value from a specified register in the register image. Returns the - status of the read operation. The register value is returned in valptr. */ -static int read_register (char regno, unsigned int *valptr); - /* Serial port, reads one character. ETRAX 100 specific. from debugport.c */ int getDebugChar (void); @@ -278,42 +238,6 @@ void putDebugChar (int val); void enableDebugIRQ (void); -/* Returns the integer equivalent of a hexadecimal character. */ -static int hex (char ch); - -/* Convert the memory, pointed to by mem into hexadecimal representation. - Put the result in buf, and return a pointer to the last character - in buf (null). */ -static char *mem2hex (char *buf, unsigned char *mem, int count); - -/* Convert the array, in hexadecimal representation, pointed to by buf into - binary representation. Put the result in mem, and return a pointer to - the character after the last byte written. */ -static unsigned char *hex2mem (unsigned char *mem, char *buf, int count); - -/* Put the content of the array, in binary representation, pointed to by buf - into memory pointed to by mem, and return a pointer to - the character after the last byte written. */ -static unsigned char *bin2mem (unsigned char *mem, unsigned char *buf, int count); - -/* Await the sequence $<data>#<checksum> and store <data> in the array buffer - returned. */ -static void getpacket (char *buffer); - -/* Send $<data>#<checksum> from the <data> in the array buffer. */ -static void putpacket (char *buffer); - -/* Build and send a response packet in order to inform the host the - stub is stopped. */ -static void stub_is_stopped (int sigval); - -/* All expected commands are sent from remote.c. Send a response according - to the description in remote.c. */ -static void handle_exception (int sigval); - -/* Performs a complete re-start from scratch. ETRAX specific. */ -static void kill_restart (void); - /******************** Prototypes for global functions. ***********************/ /* The string str is prepended with the GDB printout token and sent. */ @@ -336,10 +260,6 @@ extern unsigned char executing_task; /* The number of characters used for a 64 bit thread identifier. */ #define HEXCHARS_IN_THREAD_ID 16 -/* Avoid warning as the internal_stack is not used in the C-code. */ -#define USEDVAR(name) { if (name) { ; } } -#define USEDFUN(name) { void (*pf)(void) = (void *)name; USEDVAR(pf) } - /********************************** Packet I/O ******************************/ /* BUFMAX defines the maximum number of characters in inbound/outbound buffers */ @@ -405,7 +325,7 @@ static int register_size[] = /* Contains the register image of the executing thread in the assembler part of the code in order to avoid horrible addressing modes. */ -static registers reg; +registers cris_reg; /* FIXME: Should this be used? Delete otherwise. */ /* Contains the assumed consistency state of the register image. Uses the @@ -413,7 +333,7 @@ static registers reg; static int consistency_status = SUCCESS; /********************************** Handle exceptions ************************/ -/* The variable reg contains the register image associated with the +/* The variable cris_reg contains the register image associated with the current_thread_c variable. It is a complete register image created at entry. The reg_g contains a register image of a task where the general registers are taken from the stack and all special registers are taken @@ -421,18 +341,10 @@ static int consistency_status = SUCCESS; in order to provide access mainly for 'g', 'G' and 'P'. */ -/* Need two task id pointers in order to handle Hct and Hgt commands. */ -static int current_thread_c = 0; -static int current_thread_g = 0; - -/* Need two register images in order to handle Hct and Hgt commands. The - variable reg_g is in addition to reg above. */ -static registers reg_g; - /********************************** Breakpoint *******************************/ /* Use an internal stack in the breakpoint and interrupt response routines */ #define INTERNAL_STACK_SIZE 1024 -static char internal_stack[INTERNAL_STACK_SIZE]; +char internal_stack[INTERNAL_STACK_SIZE]; /* Due to the breakpoint return pointer, a state variable is needed to keep track of whether it is a static (compiled) or dynamic (gdb-invoked) @@ -500,164 +412,6 @@ gdb_cris_strtol (const char *s, char **endptr, int base) return x; } -/********************************* Register image ****************************/ -/* Copy the content of a register image into another. The size n is - the size of the register image. Due to struct assignment generation of - memcpy in libc. */ -static void -copy_registers (registers *dptr, registers *sptr, int n) -{ - unsigned char *dreg; - unsigned char *sreg; - - for (dreg = (unsigned char*)dptr, sreg = (unsigned char*)sptr; n > 0; n--) - *dreg++ = *sreg++; -} - -#ifdef PROCESS_SUPPORT -/* Copy the stored registers from the stack. Put the register contents - of thread thread_id in the struct reg. */ -static void -copy_registers_from_stack (int thread_id, registers *regptr) -{ - int j; - stack_registers *s = (stack_registers *)stack_list[thread_id]; - unsigned int *d = (unsigned int *)regptr; - - for (j = 13; j >= 0; j--) - *d++ = s->r[j]; - regptr->sp = (unsigned int)stack_list[thread_id]; - regptr->pc = s->pc; - regptr->dccr = s->dccr; - regptr->srp = s->srp; -} - -/* Copy the registers to the stack. Put the register contents of thread - thread_id from struct reg to the stack. */ -static void -copy_registers_to_stack (int thread_id, registers *regptr) -{ - int i; - stack_registers *d = (stack_registers *)stack_list[thread_id]; - unsigned int *s = (unsigned int *)regptr; - - for (i = 0; i < 14; i++) { - d->r[i] = *s++; - } - d->pc = regptr->pc; - d->dccr = regptr->dccr; - d->srp = regptr->srp; -} -#endif - -/* Write a value to a specified register in the register image of the current - thread. Returns status code SUCCESS, E02 or E05. */ -static int -write_register (int regno, char *val) -{ - int status = SUCCESS; - registers *current_reg = ® - - if (regno >= R0 && regno <= PC) { - /* 32-bit register with simple offset. */ - hex2mem ((unsigned char *)current_reg + regno * sizeof(unsigned int), - val, sizeof(unsigned int)); - } - else if (regno == P0 || regno == VR || regno == P4 || regno == P8) { - /* Do not support read-only registers. */ - status = E02; - } - else if (regno == CCR) { - /* 16 bit register with complex offset. (P4 is read-only, P6 is not implemented, - and P7 (MOF) is 32 bits in ETRAX 100LX. */ - hex2mem ((unsigned char *)&(current_reg->ccr) + (regno-CCR) * sizeof(unsigned short), - val, sizeof(unsigned short)); - } - else if (regno >= MOF && regno <= USP) { - /* 32 bit register with complex offset. (P8 has been taken care of.) */ - hex2mem ((unsigned char *)&(current_reg->ibr) + (regno-IBR) * sizeof(unsigned int), - val, sizeof(unsigned int)); - } - else { - /* Do not support nonexisting or unimplemented registers (P2, P3, and P6). */ - status = E05; - } - return status; -} - -#ifdef PROCESS_SUPPORT -/* Write a value to a specified register in the stack of a thread other - than the current thread. Returns status code SUCCESS or E07. */ -static int -write_stack_register (int thread_id, int regno, char *valptr) -{ - int status = SUCCESS; - stack_registers *d = (stack_registers *)stack_list[thread_id]; - unsigned int val; - - hex2mem ((unsigned char *)&val, valptr, sizeof(unsigned int)); - if (regno >= R0 && regno < SP) { - d->r[regno] = val; - } - else if (regno == SP) { - stack_list[thread_id] = val; - } - else if (regno == PC) { - d->pc = val; - } - else if (regno == SRP) { - d->srp = val; - } - else if (regno == DCCR) { - d->dccr = val; - } - else { - /* Do not support registers in the current thread. */ - status = E07; - } - return status; -} -#endif - -/* Read a value from a specified register in the register image. Returns the - value in the register or -1 for non-implemented registers. - Should check consistency_status after a call which may be E05 after changes - in the implementation. */ -static int -read_register (char regno, unsigned int *valptr) -{ - registers *current_reg = ® - - if (regno >= R0 && regno <= PC) { - /* 32-bit register with simple offset. */ - *valptr = *(unsigned int *)((char *)current_reg + regno * sizeof(unsigned int)); - return SUCCESS; - } - else if (regno == P0 || regno == VR) { - /* 8 bit register with complex offset. */ - *valptr = (unsigned int)(*(unsigned char *) - ((char *)&(current_reg->p0) + (regno-P0) * sizeof(char))); - return SUCCESS; - } - else if (regno == P4 || regno == CCR) { - /* 16 bit register with complex offset. */ - *valptr = (unsigned int)(*(unsigned short *) - ((char *)&(current_reg->p4) + (regno-P4) * sizeof(unsigned short))); - return SUCCESS; - } - else if (regno >= MOF && regno <= USP) { - /* 32 bit register with complex offset. */ - *valptr = *(unsigned int *)((char *)&(current_reg->p8) - + (regno-P8) * sizeof(unsigned int)); - return SUCCESS; - } - else { - /* Do not support nonexisting or unimplemented registers (P2, P3, and P6). */ - consistency_status = E05; - return E05; - } -} - /********************************** Packet I/O ******************************/ /* Returns the integer equivalent of a hexadecimal character. */ static int @@ -676,8 +430,6 @@ hex (char ch) Put the result in buf, and return a pointer to the last character in buf (null). */ -static int do_printk = 0; - static char * mem2hex(char *buf, unsigned char *mem, int count) { @@ -694,7 +446,7 @@ mem2hex(char *buf, unsigned char *mem, int count) /* Valid mem address. */ for (i = 0; i < count; i++) { ch = *mem++; - buf = pack_hex_byte(buf, ch); + buf = hex_byte_pack(buf, ch); } } @@ -761,7 +513,7 @@ getpacket (char *buffer) xmitcsum = -1; count = 0; /* Read until a # or the end of the buffer is reached */ - while (count < BUFMAX) { + while (count < BUFMAX - 1) { ch = getDebugChar (); if (ch == '#') break; @@ -845,6 +597,81 @@ putDebugString (const unsigned char *str, int length) putpacket(remcomOutBuffer); } +/********************************* Register image ****************************/ +/* Write a value to a specified register in the register image of the current + thread. Returns status code SUCCESS, E02 or E05. */ +static int +write_register (int regno, char *val) +{ + int status = SUCCESS; + registers *current_reg = &cris_reg; + + if (regno >= R0 && regno <= PC) { + /* 32-bit register with simple offset. */ + hex2mem ((unsigned char *)current_reg + regno * sizeof(unsigned int), + val, sizeof(unsigned int)); + } + else if (regno == P0 || regno == VR || regno == P4 || regno == P8) { + /* Do not support read-only registers. */ + status = E02; + } + else if (regno == CCR) { + /* 16 bit register with complex offset. (P4 is read-only, P6 is not implemented, + and P7 (MOF) is 32 bits in ETRAX 100LX. */ + hex2mem ((unsigned char *)&(current_reg->ccr) + (regno-CCR) * sizeof(unsigned short), + val, sizeof(unsigned short)); + } + else if (regno >= MOF && regno <= USP) { + /* 32 bit register with complex offset. (P8 has been taken care of.) */ + hex2mem ((unsigned char *)&(current_reg->ibr) + (regno-IBR) * sizeof(unsigned int), + val, sizeof(unsigned int)); + } + else { + /* Do not support nonexisting or unimplemented registers (P2, P3, and P6). */ + status = E05; + } + return status; +} + +/* Read a value from a specified register in the register image. Returns the + value in the register or -1 for non-implemented registers. + Should check consistency_status after a call which may be E05 after changes + in the implementation. */ +static int +read_register (char regno, unsigned int *valptr) +{ + registers *current_reg = &cris_reg; + + if (regno >= R0 && regno <= PC) { + /* 32-bit register with simple offset. */ + *valptr = *(unsigned int *)((char *)current_reg + regno * sizeof(unsigned int)); + return SUCCESS; + } + else if (regno == P0 || regno == VR) { + /* 8 bit register with complex offset. */ + *valptr = (unsigned int)(*(unsigned char *) + ((char *)&(current_reg->p0) + (regno-P0) * sizeof(char))); + return SUCCESS; + } + else if (regno == P4 || regno == CCR) { + /* 16 bit register with complex offset. */ + *valptr = (unsigned int)(*(unsigned short *) + ((char *)&(current_reg->p4) + (regno-P4) * sizeof(unsigned short))); + return SUCCESS; + } + else if (regno >= MOF && regno <= USP) { + /* 32 bit register with complex offset. */ + *valptr = *(unsigned int *)((char *)&(current_reg->p8) + + (regno-P8) * sizeof(unsigned int)); + return SUCCESS; + } + else { + /* Do not support nonexisting or unimplemented registers (P2, P3, and P6). */ + consistency_status = E05; + return E05; + } +} + /********************************** Handle exceptions ************************/ /* Build and send a response packet in order to inform the host the stub is stopped. TAAn...:r...;n...:r...;n...:r...; @@ -868,7 +695,7 @@ stub_is_stopped(int sigval) /* Send trap type (converted to signal) */ *ptr++ = 'T'; - ptr = pack_hex_byte(ptr, sigval); + ptr = hex_byte_pack(ptr, sigval); /* Send register contents. We probably only need to send the * PC, frame pointer and stack pointer here. Other registers will be @@ -881,7 +708,7 @@ stub_is_stopped(int sigval) status = read_register (regno, ®_cont); if (status == SUCCESS) { - ptr = pack_hex_byte(ptr, regno); + ptr = hex_byte_pack(ptr, regno); *ptr++ = ':'; ptr = mem2hex(ptr, (unsigned char *)®_cont, @@ -891,26 +718,6 @@ stub_is_stopped(int sigval) } -#ifdef PROCESS_SUPPORT - /* Store the registers of the executing thread. Assume that both step, - continue, and register content requests are with respect to this - thread. The executing task is from the operating system scheduler. */ - - current_thread_c = executing_task; - current_thread_g = executing_task; - - /* A struct assignment translates into a libc memcpy call. Avoid - all libc functions in order to prevent recursive break points. */ - copy_registers (®_g, ®, sizeof(registers)); - - /* Store thread:r...; with the executing task TID. */ - gdb_cris_strcpy (&remcomOutBuffer[pos], "thread:"); - pos += gdb_cris_strlen ("thread:"); - remcomOutBuffer[pos++] = hex_asc_hi(executing_task); - remcomOutBuffer[pos++] = hex_asc_lo(executing_task); - gdb_cris_strcpy (&remcomOutBuffer[pos], ";"); -#endif - /* null-terminate and send it off */ *ptr = 0; @@ -918,16 +725,18 @@ stub_is_stopped(int sigval) putpacket (remcomOutBuffer); } +/* Performs a complete re-start from scratch. */ +static void +kill_restart (void) +{ + machine_restart(""); +} + /* All expected commands are sent from remote.c. Send a response according to the description in remote.c. */ -static void +void handle_exception (int sigval) { - /* Avoid warning of not used. */ - - USEDFUN(handle_exception); - USEDVAR(internal_stack[0]); - /* Send response. */ stub_is_stopped (sigval); @@ -943,19 +752,7 @@ handle_exception (int sigval) in a register are in the same order the machine uses. Failure: void. */ - { -#ifdef PROCESS_SUPPORT - /* Use the special register content in the executing thread. */ - copy_registers (®_g, ®, sizeof(registers)); - /* Replace the content available on the stack. */ - if (current_thread_g != executing_task) { - copy_registers_from_stack (current_thread_g, ®_g); - } - mem2hex ((unsigned char *)remcomOutBuffer, (unsigned char *)®_g, sizeof(registers)); -#else - mem2hex(remcomOutBuffer, (char *)®, sizeof(registers)); -#endif - } + mem2hex(remcomOutBuffer, (char *)&cris_reg, sizeof(registers)); break; case 'G': @@ -963,17 +760,7 @@ handle_exception (int sigval) Each byte of register data is described by two hex digits. Success: OK Failure: void. */ -#ifdef PROCESS_SUPPORT - hex2mem ((unsigned char *)®_g, &remcomInBuffer[1], sizeof(registers)); - if (current_thread_g == executing_task) { - copy_registers (®, ®_g, sizeof(registers)); - } - else { - copy_registers_to_stack(current_thread_g, ®_g); - } -#else - hex2mem((char *)®, &remcomInBuffer[1], sizeof(registers)); -#endif + hex2mem((char *)&cris_reg, &remcomInBuffer[1], sizeof(registers)); gdb_cris_strcpy (remcomOutBuffer, "OK"); break; @@ -989,12 +776,7 @@ handle_exception (int sigval) char *suffix; int regno = gdb_cris_strtol (&remcomInBuffer[1], &suffix, 16); int status; -#ifdef PROCESS_SUPPORT - if (current_thread_g != executing_task) - status = write_stack_register (current_thread_g, regno, suffix+1); - else -#endif - status = write_register (regno, suffix+1); + status = write_register (regno, suffix+1); switch (status) { case E02: @@ -1073,7 +855,7 @@ handle_exception (int sigval) Success: return to the executing thread. Failure: will never know. */ if (remcomInBuffer[1] != '\0') { - reg.pc = gdb_cris_strtol (&remcomInBuffer[1], 0, 16); + cris_reg.pc = gdb_cris_strtol (&remcomInBuffer[1], 0, 16); } enableDebugIRQ(); return; @@ -1129,119 +911,6 @@ handle_exception (int sigval) Not supported: E04 */ gdb_cris_strcpy (remcomOutBuffer, error_message[E04]); break; -#ifdef PROCESS_SUPPORT - - case 'T': - /* Thread alive. TXX - Is thread XX alive? - Success: OK, thread XX is alive. - Failure: E03, thread XX is dead. */ - { - int thread_id = (int)gdb_cris_strtol (&remcomInBuffer[1], 0, 16); - /* Cannot tell whether it is alive or not. */ - if (thread_id >= 0 && thread_id < number_of_tasks) - gdb_cris_strcpy (remcomOutBuffer, "OK"); - } - break; - - case 'H': - /* Set thread for subsequent operations: Hct - c = 'c' for thread used in step and continue; - t can be -1 for all threads. - c = 'g' for thread used in other operations. - t = 0 means pick any thread. - Success: OK - Failure: E01 */ - { - int thread_id = gdb_cris_strtol (&remcomInBuffer[2], 0, 16); - if (remcomInBuffer[1] == 'c') { - /* c = 'c' for thread used in step and continue */ - /* Do not change current_thread_c here. It would create a mess in - the scheduler. */ - gdb_cris_strcpy (remcomOutBuffer, "OK"); - } - else if (remcomInBuffer[1] == 'g') { - /* c = 'g' for thread used in other operations. - t = 0 means pick any thread. Impossible since the scheduler does - not allow that. */ - if (thread_id >= 0 && thread_id < number_of_tasks) { - current_thread_g = thread_id; - gdb_cris_strcpy (remcomOutBuffer, "OK"); - } - else { - /* Not expected - send an error message. */ - gdb_cris_strcpy (remcomOutBuffer, error_message[E01]); - } - } - else { - /* Not expected - send an error message. */ - gdb_cris_strcpy (remcomOutBuffer, error_message[E01]); - } - } - break; - - case 'q': - case 'Q': - /* Query of general interest. qXXXX - Set general value XXXX. QXXXX=yyyy */ - { - int pos; - int nextpos; - int thread_id; - - switch (remcomInBuffer[1]) { - case 'C': - /* Identify the remote current thread. */ - gdb_cris_strcpy (&remcomOutBuffer[0], "QC"); - remcomOutBuffer[2] = hex_asc_hi(current_thread_c); - remcomOutBuffer[3] = hex_asc_lo(current_thread_c); - remcomOutBuffer[4] = '\0'; - break; - case 'L': - gdb_cris_strcpy (&remcomOutBuffer[0], "QM"); - /* Reply with number of threads. */ - if (os_is_started()) { - remcomOutBuffer[2] = hex_asc_hi(number_of_tasks); - remcomOutBuffer[3] = hex_asc_lo(number_of_tasks); - } - else { - remcomOutBuffer[2] = hex_asc_hi(0); - remcomOutBuffer[3] = hex_asc_lo(1); - } - /* Done with the reply. */ - remcomOutBuffer[4] = hex_asc_lo(1); - pos = 5; - /* Expects the argument thread id. */ - for (; pos < (5 + HEXCHARS_IN_THREAD_ID); pos++) - remcomOutBuffer[pos] = remcomInBuffer[pos]; - /* Reply with the thread identifiers. */ - if (os_is_started()) { - /* Store the thread identifiers of all tasks. */ - for (thread_id = 0; thread_id < number_of_tasks; thread_id++) { - nextpos = pos + HEXCHARS_IN_THREAD_ID - 1; - for (; pos < nextpos; pos ++) - remcomOutBuffer[pos] = hex_asc_lo(0); - remcomOutBuffer[pos++] = hex_asc_lo(thread_id); - } - } - else { - /* Store the thread identifier of the boot task. */ - nextpos = pos + HEXCHARS_IN_THREAD_ID - 1; - for (; pos < nextpos; pos ++) - remcomOutBuffer[pos] = hex_asc_lo(0); - remcomOutBuffer[pos++] = hex_asc_lo(current_thread_c); - } - remcomOutBuffer[pos] = '\0'; - break; - default: - /* Not supported: "" */ - /* Request information about section offsets: qOffsets. */ - remcomOutBuffer[0] = 0; - break; - } - } - break; -#endif /* PROCESS_SUPPORT */ default: /* The stub should ignore other request and send an empty @@ -1254,13 +923,6 @@ handle_exception (int sigval) } } -/* Performs a complete re-start from scratch. */ -static void -kill_restart () -{ - machine_restart(""); -} - /********************************** Breakpoint *******************************/ /* The hook for both a static (compiled) and a dynamic breakpoint set by GDB. An internal stack is used by the stub. The register image of the caller is @@ -1270,93 +932,93 @@ kill_restart () void kgdb_handle_breakpoint(void); -asm (" - .global kgdb_handle_breakpoint -kgdb_handle_breakpoint: -;; -;; Response to the break-instruction -;; -;; Create a register image of the caller -;; - move $dccr,[reg+0x5E] ; Save the flags in DCCR before disable interrupts - di ; Disable interrupts - move.d $r0,[reg] ; Save R0 - move.d $r1,[reg+0x04] ; Save R1 - move.d $r2,[reg+0x08] ; Save R2 - move.d $r3,[reg+0x0C] ; Save R3 - move.d $r4,[reg+0x10] ; Save R4 - move.d $r5,[reg+0x14] ; Save R5 - move.d $r6,[reg+0x18] ; Save R6 - move.d $r7,[reg+0x1C] ; Save R7 - move.d $r8,[reg+0x20] ; Save R8 - move.d $r9,[reg+0x24] ; Save R9 - move.d $r10,[reg+0x28] ; Save R10 - move.d $r11,[reg+0x2C] ; Save R11 - move.d $r12,[reg+0x30] ; Save R12 - move.d $r13,[reg+0x34] ; Save R13 - move.d $sp,[reg+0x38] ; Save SP (R14) -;; Due to the old assembler-versions BRP might not be recognized - .word 0xE670 ; move brp,$r0 - subq 2,$r0 ; Set to address of previous instruction. - move.d $r0,[reg+0x3c] ; Save the address in PC (R15) - clear.b [reg+0x40] ; Clear P0 - move $vr,[reg+0x41] ; Save special register P1 - clear.w [reg+0x42] ; Clear P4 - move $ccr,[reg+0x44] ; Save special register CCR - move $mof,[reg+0x46] ; P7 - clear.d [reg+0x4A] ; Clear P8 - move $ibr,[reg+0x4E] ; P9, - move $irp,[reg+0x52] ; P10, - move $srp,[reg+0x56] ; P11, - move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR - ; P13, register DCCR already saved -;; Due to the old assembler-versions BRP might not be recognized - .word 0xE670 ; move brp,r0 -;; Static (compiled) breakpoints must return to the next instruction in order -;; to avoid infinite loops. Dynamic (gdb-invoked) must restore the instruction -;; in order to execute it when execution is continued. - test.b [is_dyn_brkp] ; Is this a dynamic breakpoint? - beq is_static ; No, a static breakpoint - nop - subq 2,$r0 ; rerun the instruction the break replaced -is_static: - moveq 1,$r1 - move.b $r1,[is_dyn_brkp] ; Set the state variable to dynamic breakpoint - move.d $r0,[reg+0x62] ; Save the return address in BRP - move $usp,[reg+0x66] ; USP -;; -;; Handle the communication -;; - move.d internal_stack+1020,$sp ; Use the internal stack which grows upward - moveq 5,$r10 ; SIGTRAP - jsr handle_exception ; Interactive routine -;; -;; Return to the caller -;; - move.d [reg],$r0 ; Restore R0 - move.d [reg+0x04],$r1 ; Restore R1 - move.d [reg+0x08],$r2 ; Restore R2 - move.d [reg+0x0C],$r3 ; Restore R3 - move.d [reg+0x10],$r4 ; Restore R4 - move.d [reg+0x14],$r5 ; Restore R5 - move.d [reg+0x18],$r6 ; Restore R6 - move.d [reg+0x1C],$r7 ; Restore R7 - move.d [reg+0x20],$r8 ; Restore R8 - move.d [reg+0x24],$r9 ; Restore R9 - move.d [reg+0x28],$r10 ; Restore R10 - move.d [reg+0x2C],$r11 ; Restore R11 - move.d [reg+0x30],$r12 ; Restore R12 - move.d [reg+0x34],$r13 ; Restore R13 -;; -;; FIXME: Which registers should be restored? -;; - move.d [reg+0x38],$sp ; Restore SP (R14) - move [reg+0x56],$srp ; Restore the subroutine return pointer. - move [reg+0x5E],$dccr ; Restore DCCR - move [reg+0x66],$usp ; Restore USP - jump [reg+0x62] ; A jump to the content in register BRP works. - nop ; -"); +asm ("\n" +" .global kgdb_handle_breakpoint\n" +"kgdb_handle_breakpoint:\n" +";;\n" +";; Response to the break-instruction\n" +";;\n" +";; Create a register image of the caller\n" +";;\n" +" move $dccr,[cris_reg+0x5E] ; Save the flags in DCCR before disable interrupts\n" +" di ; Disable interrupts\n" +" move.d $r0,[cris_reg] ; Save R0\n" +" move.d $r1,[cris_reg+0x04] ; Save R1\n" +" move.d $r2,[cris_reg+0x08] ; Save R2\n" +" move.d $r3,[cris_reg+0x0C] ; Save R3\n" +" move.d $r4,[cris_reg+0x10] ; Save R4\n" +" move.d $r5,[cris_reg+0x14] ; Save R5\n" +" move.d $r6,[cris_reg+0x18] ; Save R6\n" +" move.d $r7,[cris_reg+0x1C] ; Save R7\n" +" move.d $r8,[cris_reg+0x20] ; Save R8\n" +" move.d $r9,[cris_reg+0x24] ; Save R9\n" +" move.d $r10,[cris_reg+0x28] ; Save R10\n" +" move.d $r11,[cris_reg+0x2C] ; Save R11\n" +" move.d $r12,[cris_reg+0x30] ; Save R12\n" +" move.d $r13,[cris_reg+0x34] ; Save R13\n" +" move.d $sp,[cris_reg+0x38] ; Save SP (R14)\n" +";; Due to the old assembler-versions BRP might not be recognized\n" +" .word 0xE670 ; move brp,$r0\n" +" subq 2,$r0 ; Set to address of previous instruction.\n" +" move.d $r0,[cris_reg+0x3c] ; Save the address in PC (R15)\n" +" clear.b [cris_reg+0x40] ; Clear P0\n" +" move $vr,[cris_reg+0x41] ; Save special register P1\n" +" clear.w [cris_reg+0x42] ; Clear P4\n" +" move $ccr,[cris_reg+0x44] ; Save special register CCR\n" +" move $mof,[cris_reg+0x46] ; P7\n" +" clear.d [cris_reg+0x4A] ; Clear P8\n" +" move $ibr,[cris_reg+0x4E] ; P9,\n" +" move $irp,[cris_reg+0x52] ; P10,\n" +" move $srp,[cris_reg+0x56] ; P11,\n" +" move $dtp0,[cris_reg+0x5A] ; P12, register BAR, assembler might not know BAR\n" +" ; P13, register DCCR already saved\n" +";; Due to the old assembler-versions BRP might not be recognized\n" +" .word 0xE670 ; move brp,r0\n" +";; Static (compiled) breakpoints must return to the next instruction in order\n" +";; to avoid infinite loops. Dynamic (gdb-invoked) must restore the instruction\n" +";; in order to execute it when execution is continued.\n" +" test.b [is_dyn_brkp] ; Is this a dynamic breakpoint?\n" +" beq is_static ; No, a static breakpoint\n" +" nop\n" +" subq 2,$r0 ; rerun the instruction the break replaced\n" +"is_static:\n" +" moveq 1,$r1\n" +" move.b $r1,[is_dyn_brkp] ; Set the state variable to dynamic breakpoint\n" +" move.d $r0,[cris_reg+0x62] ; Save the return address in BRP\n" +" move $usp,[cris_reg+0x66] ; USP\n" +";;\n" +";; Handle the communication\n" +";;\n" +" move.d internal_stack+1020,$sp ; Use the internal stack which grows upward\n" +" moveq 5,$r10 ; SIGTRAP\n" +" jsr handle_exception ; Interactive routine\n" +";;\n" +";; Return to the caller\n" +";;\n" +" move.d [cris_reg],$r0 ; Restore R0\n" +" move.d [cris_reg+0x04],$r1 ; Restore R1\n" +" move.d [cris_reg+0x08],$r2 ; Restore R2\n" +" move.d [cris_reg+0x0C],$r3 ; Restore R3\n" +" move.d [cris_reg+0x10],$r4 ; Restore R4\n" +" move.d [cris_reg+0x14],$r5 ; Restore R5\n" +" move.d [cris_reg+0x18],$r6 ; Restore R6\n" +" move.d [cris_reg+0x1C],$r7 ; Restore R7\n" +" move.d [cris_reg+0x20],$r8 ; Restore R8\n" +" move.d [cris_reg+0x24],$r9 ; Restore R9\n" +" move.d [cris_reg+0x28],$r10 ; Restore R10\n" +" move.d [cris_reg+0x2C],$r11 ; Restore R11\n" +" move.d [cris_reg+0x30],$r12 ; Restore R12\n" +" move.d [cris_reg+0x34],$r13 ; Restore R13\n" +";;\n" +";; FIXME: Which registers should be restored?\n" +";;\n" +" move.d [cris_reg+0x38],$sp ; Restore SP (R14)\n" +" move [cris_reg+0x56],$srp ; Restore the subroutine return pointer.\n" +" move [cris_reg+0x5E],$dccr ; Restore DCCR\n" +" move [cris_reg+0x66],$usp ; Restore USP\n" +" jump [cris_reg+0x62] ; A jump to the content in register BRP works.\n" +" nop ;\n" +"\n"); /* The hook for an interrupt generated by GDB. An internal stack is used by the stub. The register image of the caller is stored in the structure @@ -1367,94 +1029,94 @@ is_static: void kgdb_handle_serial(void); -asm (" - .global kgdb_handle_serial -kgdb_handle_serial: -;; -;; Response to a serial interrupt -;; - - move $dccr,[reg+0x5E] ; Save the flags in DCCR - di ; Disable interrupts - move.d $r0,[reg] ; Save R0 - move.d $r1,[reg+0x04] ; Save R1 - move.d $r2,[reg+0x08] ; Save R2 - move.d $r3,[reg+0x0C] ; Save R3 - move.d $r4,[reg+0x10] ; Save R4 - move.d $r5,[reg+0x14] ; Save R5 - move.d $r6,[reg+0x18] ; Save R6 - move.d $r7,[reg+0x1C] ; Save R7 - move.d $r8,[reg+0x20] ; Save R8 - move.d $r9,[reg+0x24] ; Save R9 - move.d $r10,[reg+0x28] ; Save R10 - move.d $r11,[reg+0x2C] ; Save R11 - move.d $r12,[reg+0x30] ; Save R12 - move.d $r13,[reg+0x34] ; Save R13 - move.d $sp,[reg+0x38] ; Save SP (R14) - move $irp,[reg+0x3c] ; Save the address in PC (R15) - clear.b [reg+0x40] ; Clear P0 - move $vr,[reg+0x41] ; Save special register P1, - clear.w [reg+0x42] ; Clear P4 - move $ccr,[reg+0x44] ; Save special register CCR - move $mof,[reg+0x46] ; P7 - clear.d [reg+0x4A] ; Clear P8 - move $ibr,[reg+0x4E] ; P9, - move $irp,[reg+0x52] ; P10, - move $srp,[reg+0x56] ; P11, - move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR - ; P13, register DCCR already saved -;; Due to the old assembler-versions BRP might not be recognized - .word 0xE670 ; move brp,r0 - move.d $r0,[reg+0x62] ; Save the return address in BRP - move $usp,[reg+0x66] ; USP - -;; get the serial character (from debugport.c) and check if it is a ctrl-c - - jsr getDebugChar - cmp.b 3, $r10 - bne goback - nop - - move.d [reg+0x5E], $r10 ; Get DCCR - btstq 8, $r10 ; Test the U-flag. - bmi goback - nop - -;; -;; Handle the communication -;; - move.d internal_stack+1020,$sp ; Use the internal stack - moveq 2,$r10 ; SIGINT - jsr handle_exception ; Interactive routine - -goback: -;; -;; Return to the caller -;; - move.d [reg],$r0 ; Restore R0 - move.d [reg+0x04],$r1 ; Restore R1 - move.d [reg+0x08],$r2 ; Restore R2 - move.d [reg+0x0C],$r3 ; Restore R3 - move.d [reg+0x10],$r4 ; Restore R4 - move.d [reg+0x14],$r5 ; Restore R5 - move.d [reg+0x18],$r6 ; Restore R6 - move.d [reg+0x1C],$r7 ; Restore R7 - move.d [reg+0x20],$r8 ; Restore R8 - move.d [reg+0x24],$r9 ; Restore R9 - move.d [reg+0x28],$r10 ; Restore R10 - move.d [reg+0x2C],$r11 ; Restore R11 - move.d [reg+0x30],$r12 ; Restore R12 - move.d [reg+0x34],$r13 ; Restore R13 -;; -;; FIXME: Which registers should be restored? -;; - move.d [reg+0x38],$sp ; Restore SP (R14) - move [reg+0x56],$srp ; Restore the subroutine return pointer. - move [reg+0x5E],$dccr ; Restore DCCR - move [reg+0x66],$usp ; Restore USP - reti ; Return from the interrupt routine - nop -"); +asm ("\n" +" .global kgdb_handle_serial\n" +"kgdb_handle_serial:\n" +";;\n" +";; Response to a serial interrupt\n" +";;\n" +"\n" +" move $dccr,[cris_reg+0x5E] ; Save the flags in DCCR\n" +" di ; Disable interrupts\n" +" move.d $r0,[cris_reg] ; Save R0\n" +" move.d $r1,[cris_reg+0x04] ; Save R1\n" +" move.d $r2,[cris_reg+0x08] ; Save R2\n" +" move.d $r3,[cris_reg+0x0C] ; Save R3\n" +" move.d $r4,[cris_reg+0x10] ; Save R4\n" +" move.d $r5,[cris_reg+0x14] ; Save R5\n" +" move.d $r6,[cris_reg+0x18] ; Save R6\n" +" move.d $r7,[cris_reg+0x1C] ; Save R7\n" +" move.d $r8,[cris_reg+0x20] ; Save R8\n" +" move.d $r9,[cris_reg+0x24] ; Save R9\n" +" move.d $r10,[cris_reg+0x28] ; Save R10\n" +" move.d $r11,[cris_reg+0x2C] ; Save R11\n" +" move.d $r12,[cris_reg+0x30] ; Save R12\n" +" move.d $r13,[cris_reg+0x34] ; Save R13\n" +" move.d $sp,[cris_reg+0x38] ; Save SP (R14)\n" +" move $irp,[cris_reg+0x3c] ; Save the address in PC (R15)\n" +" clear.b [cris_reg+0x40] ; Clear P0\n" +" move $vr,[cris_reg+0x41] ; Save special register P1,\n" +" clear.w [cris_reg+0x42] ; Clear P4\n" +" move $ccr,[cris_reg+0x44] ; Save special register CCR\n" +" move $mof,[cris_reg+0x46] ; P7\n" +" clear.d [cris_reg+0x4A] ; Clear P8\n" +" move $ibr,[cris_reg+0x4E] ; P9,\n" +" move $irp,[cris_reg+0x52] ; P10,\n" +" move $srp,[cris_reg+0x56] ; P11,\n" +" move $dtp0,[cris_reg+0x5A] ; P12, register BAR, assembler might not know BAR\n" +" ; P13, register DCCR already saved\n" +";; Due to the old assembler-versions BRP might not be recognized\n" +" .word 0xE670 ; move brp,r0\n" +" move.d $r0,[cris_reg+0x62] ; Save the return address in BRP\n" +" move $usp,[cris_reg+0x66] ; USP\n" +"\n" +";; get the serial character (from debugport.c) and check if it is a ctrl-c\n" +"\n" +" jsr getDebugChar\n" +" cmp.b 3, $r10\n" +" bne goback\n" +" nop\n" +"\n" +" move.d [cris_reg+0x5E], $r10 ; Get DCCR\n" +" btstq 8, $r10 ; Test the U-flag.\n" +" bmi goback\n" +" nop\n" +"\n" +";;\n" +";; Handle the communication\n" +";;\n" +" move.d internal_stack+1020,$sp ; Use the internal stack\n" +" moveq 2,$r10 ; SIGINT\n" +" jsr handle_exception ; Interactive routine\n" +"\n" +"goback:\n" +";;\n" +";; Return to the caller\n" +";;\n" +" move.d [cris_reg],$r0 ; Restore R0\n" +" move.d [cris_reg+0x04],$r1 ; Restore R1\n" +" move.d [cris_reg+0x08],$r2 ; Restore R2\n" +" move.d [cris_reg+0x0C],$r3 ; Restore R3\n" +" move.d [cris_reg+0x10],$r4 ; Restore R4\n" +" move.d [cris_reg+0x14],$r5 ; Restore R5\n" +" move.d [cris_reg+0x18],$r6 ; Restore R6\n" +" move.d [cris_reg+0x1C],$r7 ; Restore R7\n" +" move.d [cris_reg+0x20],$r8 ; Restore R8\n" +" move.d [cris_reg+0x24],$r9 ; Restore R9\n" +" move.d [cris_reg+0x28],$r10 ; Restore R10\n" +" move.d [cris_reg+0x2C],$r11 ; Restore R11\n" +" move.d [cris_reg+0x30],$r12 ; Restore R12\n" +" move.d [cris_reg+0x34],$r13 ; Restore R13\n" +";;\n" +";; FIXME: Which registers should be restored?\n" +";;\n" +" move.d [cris_reg+0x38],$sp ; Restore SP (R14)\n" +" move [cris_reg+0x56],$srp ; Restore the subroutine return pointer.\n" +" move [cris_reg+0x5E],$dccr ; Restore DCCR\n" +" move [cris_reg+0x66],$usp ; Restore USP\n" +" reti ; Return from the interrupt routine\n" +" nop\n" +"\n"); /* Use this static breakpoint in the start-up only. */ diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index c4c69cf721e..02b783457be 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -11,11 +11,13 @@ */ #include <linux/sched.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/fs.h> -#include <linux/slab.h> #include <arch/svinto.h> #include <linux/init.h> +#include <arch/system.h> +#include <linux/ptrace.h> #ifdef CONFIG_ETRAX_GPIO void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */ @@ -28,8 +30,9 @@ void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */ void default_idle(void) { #ifdef CONFIG_ETRAX_GPIO - etrax_gpio_wake_up_check(); + etrax_gpio_wake_up_check(); #endif + local_irq_enable(); } /* @@ -53,14 +56,14 @@ void hard_reset_now (void) * code to know about it than the watchdog handler in entry.S and * this code, implementing hard reset through the watchdog. */ -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#if defined(CONFIG_ETRAX_WATCHDOG) extern int cause_of_death; #endif printk("*** HARD RESET ***\n"); local_irq_disable(); -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#if defined(CONFIG_ETRAX_WATCHDOG) cause_of_death = 0xbedead; #else /* Since we dont plan to keep on resetting the watchdog, @@ -80,31 +83,6 @@ unsigned long thread_saved_pc(struct task_struct *t) return task_pt_regs(t)->irp; } -static void kernel_thread_helper(void* dummy, int (*fn)(void *), void * arg) -{ - fn(arg); - do_exit(-1); /* Should never be called, return bad exit value */ -} - -/* - * Create a kernel thread - */ -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -{ - struct pt_regs regs; - - memset(®s, 0, sizeof(regs)); - - /* Don't use r10 since that is set to 0 in copy_thread */ - regs.r11 = (unsigned long)fn; - regs.r12 = (unsigned long)arg; - regs.irp = (unsigned long)kernel_thread_helper; - regs.dccr = 1 << I_DCCR_BITNR; - - /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); -} - /* setup the child's kernel stack with a pt_regs and switch_stack on it. * it will be un-nested during _resume and _ret_from_sys_call when the * new thread is scheduled. @@ -114,29 +92,34 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) * */ asmlinkage void ret_from_fork(void); +asmlinkage void ret_from_kernel_thread(void); int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long unused, - struct task_struct *p, struct pt_regs *regs) + unsigned long arg, struct task_struct *p) { - struct pt_regs * childregs; - struct switch_stack *swstack; + struct pt_regs *childregs = task_pt_regs(p); + struct switch_stack *swstack = ((struct switch_stack *)childregs) - 1; /* put the pt_regs structure at the end of the new kernel stack page and fix it up * remember that the task_struct doubles as the kernel stack for the task */ - childregs = task_pt_regs(p); - - *childregs = *regs; /* struct copy of pt_regs */ - - p->set_child_tid = p->clear_child_tid = NULL; + if (unlikely(p->flags & PF_KTHREAD)) { + memset(swstack, 0, + sizeof(struct switch_stack) + sizeof(struct pt_regs)); + swstack->r1 = usp; + swstack->r2 = arg; + childregs->dccr = 1 << I_DCCR_BITNR; + swstack->return_ip = (unsigned long) ret_from_kernel_thread; + p->thread.ksp = (unsigned long) swstack; + p->thread.usp = 0; + return 0; + } + *childregs = *current_pt_regs(); /* struct copy of pt_regs */ childregs->r10 = 0; /* child returns 0 after a fork/clone */ - - /* put the switch stack right below the pt_regs */ - swstack = ((struct switch_stack *)childregs) - 1; + /* put the switch stack right below the pt_regs */ swstack->r9 = 0; /* parameter to ret_from_sys_call, 0 == dont restart the syscall */ @@ -146,7 +129,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, /* fix the user-mode stackpointer */ - p->thread.usp = usp; + p->thread.usp = usp ?: rdusp(); /* and the kernel-mode one */ @@ -160,68 +143,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, return 0; } -/* - * Be aware of the "magic" 7th argument in the four system-calls below. - * They need the latest stackframe, which is put as the 7th argument by - * entry.S. The previous arguments are dummies or actually used, but need - * to be defined to reach the 7th argument. - * - * N.B.: Another method to get the stackframe is to use current_regs(). But - * it returns the latest stack-frame stacked when going from _user mode_ and - * some of these (at least sys_clone) are called from kernel-mode sometimes - * (for example during kernel_thread, above) and thus cannot use it. Thus, - * to be sure not to get any surprises, we use the method for the other calls - * as well. - */ - -asmlinkage int sys_fork(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) -{ - return do_fork(SIGCHLD, rdusp(), regs, 0, NULL, NULL); -} - -/* if newusp is 0, we just grab the old usp */ -/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */ -asmlinkage int sys_clone(unsigned long newusp, unsigned long flags, - int* parent_tid, int* child_tid, long mof, long srp, - struct pt_regs *regs) -{ - if (!newusp) - newusp = rdusp(); - return do_fork(flags, newusp, regs, 0, parent_tid, child_tid); -} - -/* vfork is a system call in i386 because of register-pressure - maybe - * we can remove it and handle it in libc but we put it here until then. - */ - -asmlinkage int sys_vfork(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), regs, 0, NULL, NULL); -} - -/* - * sys_execve() executes a new program. - */ -asmlinkage int sys_execve(const char *fname, char **argv, char **envp, - long r13, long mof, long srp, - struct pt_regs *regs) -{ - int error; - char *filename; - - filename = getname(fname); - error = PTR_ERR(filename); - - if (IS_ERR(filename)) - goto out; - error = do_execve(filename, argv, envp, regs); - putname(filename); - out: - return error; -} - unsigned long get_wchan(struct task_struct *p) { #if 0 @@ -255,6 +176,9 @@ unsigned long get_wchan(struct task_struct *p) void show_regs(struct pt_regs * regs) { unsigned long usp = rdusp(); + + show_regs_print_info(KERN_DEFAULT); + printk("IRP: %08lx SRP: %08lx DCCR: %08lx USP: %08lx MOF: %08lx\n", regs->irp, regs->srp, regs->dccr, usp, regs->mof ); printk(" r0: %08lx r1: %08lx r2: %08lx r3: %08lx\n", diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index ee505b2eb4d..bfddfb99401 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -15,7 +15,6 @@ #include <asm/uaccess.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> /* @@ -76,9 +75,11 @@ ptrace_disable(struct task_struct *child) * (in user space) where the result of the ptrace call is written (instead of * being returned). */ -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; + unsigned int regno = addr >> 2; unsigned long __user *datap = (unsigned long __user *)data; switch (request) { @@ -93,10 +94,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) unsigned long tmp; ret = -EIO; - if ((addr & 3) || addr < 0 || addr > PT_MAX << 2) + if ((addr & 3) || regno > PT_MAX) break; - tmp = get_reg(child, addr >> 2); + tmp = get_reg(child, regno); ret = put_user(tmp, datap); break; } @@ -110,71 +111,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Write the word at location address in the USER area. */ case PTRACE_POKEUSR: ret = -EIO; - if ((addr & 3) || addr < 0 || addr > PT_MAX << 2) + if ((addr & 3) || regno > PT_MAX) break; - addr >>= 2; - - if (addr == PT_DCCR) { + if (regno == PT_DCCR) { /* don't allow the tracing process to change stuff like * interrupt enable, kernel/user bit, dma enables etc. */ data &= DCCR_MASK; data |= get_reg(child, PT_DCCR) & ~DCCR_MASK; } - if (put_reg(child, addr, data)) - break; - ret = 0; - break; - - case PTRACE_SYSCALL: - case PTRACE_CONT: - ret = -EIO; - - if (!valid_signal(data)) - break; - - if (request == PTRACE_SYSCALL) { - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - } - else { - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - } - - child->exit_code = data; - - /* TODO: make sure any pending breakpoint is killed */ - wake_up_process(child); - ret = 0; - - break; - - /* Make the child exit by sending it a sigkill. */ - case PTRACE_KILL: - ret = 0; - - if (child->exit_state == EXIT_ZOMBIE) - break; - - child->exit_code = SIGKILL; - - /* TODO: make sure any pending breakpoint is killed */ - wake_up_process(child); - break; - - /* Set the trap flag. */ - case PTRACE_SINGLESTEP: - ret = -EIO; - - if (!valid_signal(data)) + if (put_reg(child, regno, data)) break; - - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - /* TODO: set some clever breakpoint mechanism... */ - - child->exit_code = data; - wake_up_process(child); ret = 0; break; @@ -192,7 +140,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - data += sizeof(long); + datap++; } break; @@ -216,7 +164,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } put_reg(child, i, tmp); - data += sizeof(long); + datap++; } break; diff --git a/arch/cris/arch-v10/kernel/setup.c b/arch/cris/arch-v10/kernel/setup.c index de27b50b72a..4f96d71b515 100644 --- a/arch/cris/arch-v10/kernel/setup.c +++ b/arch/cris/arch-v10/kernel/setup.c @@ -14,6 +14,7 @@ #include <linux/proc_fs.h> #include <linux/delay.h> #include <linux/param.h> +#include <arch/system.h> #ifdef CONFIG_PROC_FS #define HAS_FPU 0x0001 diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index b6be705c2a3..61ce6273a89 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -27,11 +27,10 @@ #include <asm/processor.h> #include <asm/ucontext.h> #include <asm/uaccess.h> +#include <arch/system.h> #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* a syscall in Linux/CRIS is a break 13 instruction which is 2 bytes */ /* manipulate regs so that upon return, it will be re-executed */ @@ -43,63 +42,6 @@ void do_signal(int canrestart, struct pt_regs *regs); /* - * Atomically swap in the new signal mask, and wait for a signal. Define - * dummy arguments to be able to reach the regs argument. (Note that this - * arrangement relies on old_sigset_t occupying one register.) - */ -int sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof, - long srp, struct pt_regs *regs) -{ - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); - return -ERESTARTNOHAND; -} - -int sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return ret; -} - -int sys_sigaltstack(const stack_t *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} - - -/* * Do a signal return; undo the signal stack. */ @@ -159,11 +101,9 @@ badframe: return 1; } -/* Define dummy arguments to be able to reach the regs argument. */ - -asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, - long srp, struct pt_regs *regs) +asmlinkage int sys_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct sigframe __user *frame = (struct sigframe *)rdusp(); sigset_t set; @@ -183,11 +123,7 @@ asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc)) goto badframe; @@ -201,11 +137,9 @@ badframe: return 0; } -/* Define dummy arguments to be able to reach the regs argument. */ - -asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, - long mof, long srp, struct pt_regs *regs) +asmlinkage int sys_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct rt_sigframe __user *frame = (struct rt_sigframe *)rdusp(); sigset_t set; @@ -222,16 +156,12 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, rdusp()) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return regs->r10; @@ -379,6 +309,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); + err |= __save_altstack(&frame->uc.uc_stack, rdusp()); + if (err) goto give_sigsegv; @@ -428,10 +360,11 @@ give_sigsegv: * OK, we're invoking a handler */ -static inline int handle_signal(int canrestart, unsigned long sig, +static inline void handle_signal(int canrestart, unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ @@ -468,16 +401,8 @@ static inline int handle_signal(int canrestart, unsigned long sig, else ret = setup_frame(sig, ka, oldset, regs); - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - return ret; + if (ret == 0) + signal_delivered(sig, info, ka, regs, 0); } /* @@ -497,7 +422,6 @@ void do_signal(int canrestart, struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -508,23 +432,10 @@ void do_signal(int canrestart, struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(canrestart, signr, &info, &ka, - oldset, regs)) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } + handle_signal(canrestart, signr, &info, &ka, regs); return; } @@ -537,15 +448,12 @@ void do_signal(int canrestart, struct pt_regs *regs) RESTART_CRIS_SYS(regs); } if (regs->r10 == -ERESTART_RESTARTBLOCK) { - regs->r10 = __NR_restart_syscall; + regs->r9 = __NR_restart_syscall; regs->irp -= 2; } } /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c index 2b73c7a5b64..b5eb5cd2f60 100644 --- a/arch/cris/arch-v10/kernel/time.c +++ b/arch/cris/arch-v10/kernel/time.c @@ -14,23 +14,16 @@ #include <linux/sched.h> #include <linux/init.h> #include <linux/mm.h> -#include <arch/svinto.h> #include <asm/types.h> #include <asm/signal.h> #include <asm/io.h> #include <asm/delay.h> -#include <asm/rtc.h> #include <asm/irq_regs.h> /* define this if you need to use print_timestamp */ /* it will make jiffies at 96 hz instead of 100 hz though */ #undef USE_CASCADE_TIMERS -extern void update_xtime_from_cmos(void); -extern int set_rtc_mmss(unsigned long nowtime); -extern int setup_irq(int, struct irqaction *); -extern int have_rtc; - unsigned long get_ns_in_jiffie(void) { unsigned char timer_count, t1; @@ -40,7 +33,7 @@ unsigned long get_ns_in_jiffie(void) local_irq_save(flags); timer_count = *R_TIMER0_DATA; - presc_count = *R_TIM_PRESC_STATUS; + presc_count = *R_TIM_PRESC_STATUS; /* presc_count might be wrapped */ t1 = *R_TIMER0_DATA; @@ -56,73 +49,23 @@ unsigned long get_ns_in_jiffie(void) presc_count = PRESCALE_VALUE - presc_count - PRESCALE_VALUE/2; } - ns = ( (TIMER0_DIV - timer_count) * ((1000000000/HZ)/TIMER0_DIV )) + + ns = ( (TIMER0_DIV - timer_count) * ((1000000000/HZ)/TIMER0_DIV )) + ( (presc_count) * (1000000000/PRESCALE_FREQ)); return ns; } -unsigned long do_slow_gettimeoffset(void) +static u32 cris_v10_gettimeoffset(void) { - unsigned long count, t1; - unsigned long usec_count = 0; - unsigned short presc_count; - - static unsigned long count_p = TIMER0_DIV;/* for the first call after boot */ - static unsigned long jiffies_p = 0; - - /* - * cache volatile jiffies temporarily; we have IRQs turned off. - */ - unsigned long jiffies_t; + u32 count; /* The timer interrupt comes from Etrax timer 0. In order to get * better precision, we check the current value. It might have * underflowed already though. */ - -#ifndef CONFIG_SVINTO_SIM - /* Not available in the xsim simulator. */ count = *R_TIMER0_DATA; - presc_count = *R_TIM_PRESC_STATUS; - /* presc_count might be wrapped */ - t1 = *R_TIMER0_DATA; - if (count != t1){ - /* it wrapped, read prescaler again... */ - presc_count = *R_TIM_PRESC_STATUS; - count = t1; - } -#else - count = 0; - presc_count = 0; -#endif - jiffies_t = jiffies; - - /* - * avoiding timer inconsistencies (they are rare, but they happen)... - * there are one problem that must be avoided here: - * 1. the timer counter underflows - */ - if( jiffies_t == jiffies_p ) { - if( count > count_p ) { - /* Timer wrapped, use new count and prescale - * increase the time corresponding to one jiffie - */ - usec_count = 1000000/HZ; - } - } else - jiffies_p = jiffies_t; - count_p = count; - if (presc_count >= PRESCALE_VALUE/2 ){ - presc_count = PRESCALE_VALUE - presc_count + PRESCALE_VALUE/2; - } else { - presc_count = PRESCALE_VALUE - presc_count - PRESCALE_VALUE/2; - } - /* Convert timer value to usec */ - usec_count += ( (TIMER0_DIV - count) * (1000000/HZ)/TIMER0_DIV ) + - (( (presc_count) * (1000000000/PRESCALE_FREQ))/1000); - - return usec_count; + /* Convert timer value to nsec */ + return (TIMER0_DIV - count) * (NSEC_PER_SEC/HZ)/TIMER0_DIV; } /* Excerpt from the Etrax100 HSDD about the built-in watchdog: @@ -136,7 +79,7 @@ unsigned long do_slow_gettimeoffset(void) * by the R_WATCHDOG register. The R_WATCHDOG register contains an enable bit * and a 3-bit key value. The effect of writing to the R_WATCHDOG register is * described in the table below: - * + * * Watchdog Value written: * state: To enable: To key: Operation: * -------- ---------- ------- ---------- @@ -145,15 +88,15 @@ unsigned long do_slow_gettimeoffset(void) * started 0 ~key Stop watchdog * started 1 ~key Restart watchdog with key = ~key. * started X new_key_val Change key to new_key_val. - * + * * Note: '~' is the bitwise NOT operator. - * + * */ /* right now, starting the watchdog is the same as resetting it */ #define start_watchdog reset_watchdog -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#ifdef CONFIG_ETRAX_WATCHDOG static int watchdog_key = 0; /* arbitrary number */ #endif @@ -163,10 +106,9 @@ static int watchdog_key = 0; /* arbitrary number */ #define WATCHDOG_MIN_FREE_PAGES 8 -void -reset_watchdog(void) +void reset_watchdog(void) { -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#if defined(CONFIG_ETRAX_WATCHDOG) /* only keep watchdog happy as long as we have memory left! */ if(nr_free_pages() > WATCHDOG_MIN_FREE_PAGES) { /* reset the watchdog with the inverse of the old key */ @@ -179,30 +121,23 @@ reset_watchdog(void) /* stop the watchdog - we still need the correct key */ -void -stop_watchdog(void) +void stop_watchdog(void) { -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#ifdef CONFIG_ETRAX_WATCHDOG watchdog_key ^= 0x7; /* invert key, which is 3 bits */ *R_WATCHDOG = IO_FIELD(R_WATCHDOG, key, watchdog_key) | IO_STATE(R_WATCHDOG, enable, stop); -#endif +#endif } -/* last time the cmos clock got updated */ -static long last_rtc_update = 0; + +extern void cris_do_profile(struct pt_regs *regs); /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * as well as call the "xtime_update()" routine every clocktick */ - -//static unsigned short myjiff; /* used by our debug routine print_timestamp */ - -extern void cris_do_profile(struct pt_regs *regs); - -static inline irqreturn_t -timer_interrupt(int irq, void *dev_id) +static inline irqreturn_t timer_interrupt(int irq, void *dev_id) { struct pt_regs *regs = get_irq_regs(); /* acknowledge the timer irq */ @@ -218,79 +153,41 @@ timer_interrupt(int irq, void *dev_id) IO_STATE( R_TIMER_CTRL, tm0, run) | IO_STATE( R_TIMER_CTRL, clksel0, c6250kHz); #else - *R_TIMER_CTRL = r_timer_ctrl_shadow | - IO_STATE(R_TIMER_CTRL, i0, clr); + *R_TIMER_CTRL = r_timer_ctrl_shadow | IO_STATE(R_TIMER_CTRL, i0, clr); #endif /* reset watchdog otherwise it resets us! */ reset_watchdog(); - + /* Update statistics. */ update_process_times(user_mode(regs)); /* call the real timer interrupt handler */ + xtime_update(1); - do_timer(1); - cris_do_profile(regs); /* Save profiling information */ - - /* - * If we have an externally synchronized Linux clock, then update - * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be - * called as close as possible to 500 ms before the new second starts. - * - * The division here is not time critical since it will run once in - * 11 minutes - */ - if (ntp_synced() && - xtime.tv_sec > last_rtc_update + 660 && - (xtime.tv_nsec / 1000) >= 500000 - (tick_nsec / 1000) / 2 && - (xtime.tv_nsec / 1000) <= 500000 + (tick_nsec / 1000) / 2) { - if (set_rtc_mmss(xtime.tv_sec) == 0) - last_rtc_update = xtime.tv_sec; - else - last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */ - } return IRQ_HANDLED; } -/* timer is IRQF_SHARED so drivers can add stuff to the timer irq chain - * it needs to be IRQF_DISABLED to make the jiffies update work properly - */ +/* timer is IRQF_SHARED so drivers can add stuff to the timer irq chain */ static struct irqaction irq2 = { .handler = timer_interrupt, - .flags = IRQF_SHARED | IRQF_DISABLED, + .flags = IRQF_SHARED, .name = "timer", }; -void __init -time_init(void) -{ - /* probe for the RTC and read it if it exists - * Before the RTC can be probed the loops_per_usec variable needs - * to be initialized to make usleep work. A better value for - * loops_per_usec is calculated by the kernel later once the - * clock has started. - */ - loops_per_usec = 50; - - if(RTC_INIT() < 0) { - /* no RTC, start at 1980 */ - xtime.tv_sec = 0; - xtime.tv_nsec = 0; - have_rtc = 0; - } else { - /* get the current time */ - have_rtc = 1; - update_xtime_from_cmos(); - } +void __init time_init(void) +{ + arch_gettimeoffset = cris_v10_gettimeoffset; - /* - * Initialize wall_to_monotonic such that adding it to xtime will yield zero, the - * tv_nsec field must be normalized (i.e., 0 <= nsec < NSEC_PER_SEC). + /* probe for the RTC and read it if it exists + * Before the RTC can be probed the loops_per_usec variable needs + * to be initialized to make usleep work. A better value for + * loops_per_usec is calculated by the kernel later once the + * clock has started. */ - set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); + loops_per_usec = 50; /* Setup the etrax timers * Base frequency is 25000 hz, divider 250 -> 100 HZ @@ -299,7 +196,7 @@ time_init(void) * Remember that linux/timex.h contains #defines that rely on the * timer settings below (hz and divide factor) !!! */ - + #ifdef USE_CASCADE_TIMERS *R_TIMER_CTRL = IO_FIELD( R_TIMER_CTRL, timerdiv1, 0) | @@ -310,8 +207,8 @@ time_init(void) IO_STATE( R_TIMER_CTRL, i0, nop) | IO_STATE( R_TIMER_CTRL, tm0, stop_ld) | IO_STATE( R_TIMER_CTRL, clksel0, c6250kHz); - - *R_TIMER_CTRL = r_timer_ctrl_shadow = + + *R_TIMER_CTRL = r_timer_ctrl_shadow = IO_FIELD( R_TIMER_CTRL, timerdiv1, 0) | IO_FIELD( R_TIMER_CTRL, timerdiv0, 0) | IO_STATE( R_TIMER_CTRL, i1, nop) | @@ -321,18 +218,18 @@ time_init(void) IO_STATE( R_TIMER_CTRL, tm0, run) | IO_STATE( R_TIMER_CTRL, clksel0, c6250kHz); #else - *R_TIMER_CTRL = - IO_FIELD(R_TIMER_CTRL, timerdiv1, 192) | + *R_TIMER_CTRL = + IO_FIELD(R_TIMER_CTRL, timerdiv1, 192) | IO_FIELD(R_TIMER_CTRL, timerdiv0, TIMER0_DIV) | - IO_STATE(R_TIMER_CTRL, i1, nop) | + IO_STATE(R_TIMER_CTRL, i1, nop) | IO_STATE(R_TIMER_CTRL, tm1, stop_ld) | IO_STATE(R_TIMER_CTRL, clksel1, c19k2Hz) | IO_STATE(R_TIMER_CTRL, i0, nop) | IO_STATE(R_TIMER_CTRL, tm0, stop_ld) | IO_STATE(R_TIMER_CTRL, clksel0, flexible); - + *R_TIMER_CTRL = r_timer_ctrl_shadow = - IO_FIELD(R_TIMER_CTRL, timerdiv1, 192) | + IO_FIELD(R_TIMER_CTRL, timerdiv1, 192) | IO_FIELD(R_TIMER_CTRL, timerdiv0, TIMER0_DIV) | IO_STATE(R_TIMER_CTRL, i1, nop) | IO_STATE(R_TIMER_CTRL, tm1, run) | @@ -344,16 +241,14 @@ time_init(void) *R_TIMER_PRESCALE = PRESCALE_VALUE; #endif - *R_IRQ_MASK0_SET = - IO_STATE(R_IRQ_MASK0_SET, timer0, set); /* unmask the timer irq */ - - /* now actually register the timer irq handler that calls timer_interrupt() */ - + /* unmask the timer irq */ + *R_IRQ_MASK0_SET = IO_STATE(R_IRQ_MASK0_SET, timer0, set); + + /* now actually register the irq handler that calls timer_interrupt() */ setup_irq(2, &irq2); /* irq 2 is the timer0 irq in etrax */ /* enable watchdog if we should use one */ - -#if defined(CONFIG_ETRAX_WATCHDOG) && !defined(CONFIG_SVINTO_SIM) +#if defined(CONFIG_ETRAX_WATCHDOG) printk("Enabling watchdog...\n"); start_watchdog(); @@ -366,9 +261,7 @@ time_init(void) driver or infrastructure support yet. */ asm ("setf m"); - *R_IRQ_MASK0_SET = - IO_STATE(R_IRQ_MASK0_SET, watchdog_nmi, set); - *R_VECT_MASK_SET = - IO_STATE(R_VECT_MASK_SET, nmi, set); + *R_IRQ_MASK0_SET = IO_STATE(R_IRQ_MASK0_SET, watchdog_nmi, set); + *R_VECT_MASK_SET = IO_STATE(R_VECT_MASK_SET, nmi, set); #endif } diff --git a/arch/cris/arch-v10/kernel/traps.c b/arch/cris/arch-v10/kernel/traps.c index 8bebb96bbca..7001beda716 100644 --- a/arch/cris/arch-v10/kernel/traps.c +++ b/arch/cris/arch-v10/kernel/traps.c @@ -11,6 +11,7 @@ #include <linux/ptrace.h> #include <asm/uaccess.h> #include <arch/sv_addr_ag.h> +#include <arch/system.h> void show_registers(struct pt_regs *regs) diff --git a/arch/cris/arch-v10/lib/Makefile b/arch/cris/arch-v10/lib/Makefile index 36e9a9c5239..725153edb76 100644 --- a/arch/cris/arch-v10/lib/Makefile +++ b/arch/cris/arch-v10/lib/Makefile @@ -2,8 +2,5 @@ # Makefile for Etrax-specific library files.. # - -EXTRA_AFLAGS := -traditional - lib-y = checksum.o checksumcopy.o string.o usercopy.o memset.o csumcpfruser.o diff --git a/arch/cris/arch-v10/lib/dmacopy.c b/arch/cris/arch-v10/lib/dmacopy.c index e5fb44f505c..49f5b8ca5b4 100644 --- a/arch/cris/arch-v10/lib/dmacopy.c +++ b/arch/cris/arch-v10/lib/dmacopy.c @@ -1,5 +1,4 @@ -/* $Id: dmacopy.c,v 1.1 2001/12/17 13:59:27 bjornw Exp $ - * +/* * memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax */ @@ -13,11 +12,11 @@ void *dma_memcpy(void *pdst, unsigned int pn) { static etrax_dma_descr indma, outdma; - - D(printk("dma_memcpy %d bytes... ", pn)); + + D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn)); #if 0 - *R_GEN_CONFIG = genconfig_shadow = + *R_GEN_CONFIG = genconfig_shadow = (genconfig_shadow & ~0x3c0000) | IO_STATE(R_GEN_CONFIG, dma6, intdma7) | IO_STATE(R_GEN_CONFIG, dma7, intdma6); @@ -32,11 +31,11 @@ void *dma_memcpy(void *pdst, *R_DMA_CH7_FIRST = &outdma; *R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start); *R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start); - - while(*R_DMA_CH7_CMD == 1) /* wait for completion */ ; - D(printk("done\n")); + while (*R_DMA_CH7_CMD == 1) + /* wait for completion */; + D(printk(KERN_DEBUG "done\n")); } diff --git a/arch/cris/arch-v10/lib/dram_init.S b/arch/cris/arch-v10/lib/dram_init.S index b9190ff7d0a..e541d3d8f92 100644 --- a/arch/cris/arch-v10/lib/dram_init.S +++ b/arch/cris/arch-v10/lib/dram_init.S @@ -5,9 +5,7 @@ * Note: This file may not modify r9 because r9 is used to carry * information from the decompresser to the kernel * - * Copyright (C) 2000, 2001 Axis Communications AB - * - * Authors: Mikael Starvik (starvik@axis.com) + * Copyright (C) 2000-2012 Axis Communications AB * */ @@ -18,16 +16,15 @@ ;; WARNING! The registers r8 and r9 are used as parameters carrying - ;; information from the decompressor (if the kernel was compressed). + ;; information from the decompressor (if the kernel was compressed). ;; They should not be used in the code below. -#ifndef CONFIG_SVINTO_SIM move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 move.d $r0, [R_WAITSTATES] move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 move.d $r0, [R_BUS_CONFIG] - + #ifndef CONFIG_ETRAX_SDRAM move.d CONFIG_ETRAX_DEF_R_DRAM_CONFIG, $r0 move.d $r0, [R_DRAM_CONFIG] @@ -38,14 +35,14 @@ ;; Samsung SDRAMs seem to require to be initialized twice to work properly. moveq 2, $r6 _sdram_init: - + ; Refer to ETRAX 100LX Designers Reference for a description of SDRAM initialization - + ; Bank configuration move.d CONFIG_ETRAX_DEF_R_SDRAM_CONFIG, $r0 move.d $r0, [R_SDRAM_CONFIG] - ; Calculate value of mrs_data + ; Calculate value of mrs_data ; CAS latency = 2 && bus_width = 32 => 0x40 ; CAS latency = 3 && bus_width = 32 => 0x60 ; CAS latency = 2 && bus_width = 16 => 0x20 @@ -56,22 +53,22 @@ _sdram_init: and.d 0x00ff0000, $r2 bne _set_timing lsrq 16, $r2 - + move.d 0x40, $r2 ; Assume 32 bits and CAS latency = 2 move.d CONFIG_ETRAX_DEF_R_SDRAM_TIMING, $r1 move.d $r1, $r3 - and.d 0x03, $r1 ; Get CAS latency + and.d 0x03, $r1 ; Get CAS latency and.d 0x1000, $r3 ; 50 or 100 MHz? beq _speed_50 nop -_speed_100: +_speed_100: cmp.d 0x00, $r1 ; CAS latency = 2? beq _bw_check nop - or.d 0x20, $r2 ; CAS latency = 3 + or.d 0x20, $r2 ; CAS latency = 3 ba _bw_check nop -_speed_50: +_speed_50: cmp.d 0x01, $r1 ; CAS latency = 2? beq _bw_check nop @@ -86,19 +83,19 @@ _bw_check: ; Set timing parameters. Starts master clock _set_timing: move.d CONFIG_ETRAX_DEF_R_SDRAM_TIMING, $r1 - and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 + and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 or.d 0x80000000, $r1 ; Make sure sdram enable bit is set move.d $r1, $r5 or.d 0x0000c000, $r1 ; ref = disable lslq 16, $r2 ; mrs data starts at bit 16 - or.d $r2, $r1 - move.d $r1, [R_SDRAM_TIMING] - + or.d $r2, $r1 + move.d $r1, [R_SDRAM_TIMING] + ; Wait 200us move.d 10000, $r2 1: bne 1b subq 1, $r2 - + ; Issue initialization command sequence move.d _sdram_commands_start, $r2 and.d 0x000fffff, $r2 ; Make sure commands are read from flash @@ -144,7 +141,6 @@ _sdram_commands_start: .byte 2 ; refresh .byte 0 ; nop .byte 1 ; mrs - .byte 0 ; nop -_sdram_commands_end: -#endif + .byte 0 ; nop +_sdram_commands_end: #endif diff --git a/arch/cris/arch-v10/lib/hw_settings.S b/arch/cris/arch-v10/lib/hw_settings.S index 56905aaa7b6..c09f19f478a 100644 --- a/arch/cris/arch-v10/lib/hw_settings.S +++ b/arch/cris/arch-v10/lib/hw_settings.S @@ -1,13 +1,11 @@ /* - * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ - * * This table is used by some tools to extract hardware parameters. * The table should be included in the kernel and the decompressor. * Don't forget to update the tools if you change this table. * * Copyright (C) 2001 Axis Communications AB * - * Authors: Mikael Starvik (starvik@axis.com) + * Authors: Mikael Starvik (starvik@axis.com) */ #define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ @@ -15,13 +13,13 @@ #define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) - + .ascii "HW_PARAM_MAGIC" ; Magic number .dword 0xc0004000 ; Kernel start address ; Debug port #ifdef CONFIG_ETRAX_DEBUG_PORT0 - .dword 0 + .dword 0 #elif defined(CONFIG_ETRAX_DEBUG_PORT1) .dword 1 #elif defined(CONFIG_ETRAX_DEBUG_PORT2) @@ -30,7 +28,7 @@ .dword 3 #else .dword 4 ; No debug -#endif +#endif ; SDRAM or EDO DRAM? #ifdef CONFIG_ETRAX_SDRAM @@ -39,7 +37,7 @@ .dword 0 #endif - ; Register values + ; Register values .dword R_WAITSTATES .dword CONFIG_ETRAX_DEF_R_WAITSTATES .dword R_BUS_CONFIG @@ -56,7 +54,7 @@ .dword CONFIG_ETRAX_DEF_R_DRAM_TIMING #endif .dword R_PORT_PA_SET - .dword PA_SET_VALUE + .dword PA_SET_VALUE .dword R_PORT_PB_SET .dword PB_SET_VALUE .dword 0 ; No more register values diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c index 1734b467efa..8f79163f139 100644 --- a/arch/cris/arch-v10/lib/old_checksum.c +++ b/arch/cris/arch-v10/lib/old_checksum.c @@ -77,7 +77,7 @@ __wsum csum_partial(const void *p, int len, __wsum __sum) sum += *buff++; if (endMarker > buff) - sum += *(const u8 *)buff; /* add extra byte seperately */ + sum += *(const u8 *)buff; /* add extra byte separately */ BITOFF; return (__force __wsum)sum; diff --git a/arch/cris/arch-v10/mm/fault.c b/arch/cris/arch-v10/mm/fault.c index 087a2096f22..ed60588f846 100644 --- a/arch/cris/arch-v10/mm/fault.c +++ b/arch/cris/arch-v10/mm/fault.c @@ -80,8 +80,7 @@ handle_mmu_bus_fault(struct pt_regs *regs) * do_page_fault may have flushed the TLB so we have to restore * the MMU registers. */ - local_save_flags(flags); - local_irq_disable(); + local_irq_save(flags); pmd = (pmd_t *)(pgd + pgd_index(address)); if (pmd_none(*pmd)) goto exit; diff --git a/arch/cris/arch-v10/mm/init.c b/arch/cris/arch-v10/mm/init.c index baa746ce4e7..e7f8066105a 100644 --- a/arch/cris/arch-v10/mm/init.c +++ b/arch/cris/arch-v10/mm/init.c @@ -241,7 +241,7 @@ flush_etrax_cacherange(void *startadr, int length) } /* Due to a bug in Etrax100(LX) all versions, receiving DMA buffers - * will occationally corrupt certain CPU writes if the DMA buffers + * will occasionally corrupt certain CPU writes if the DMA buffers * happen to be hot in the cache. * * As a workaround, we have to flush the relevant parts of the cache diff --git a/arch/cris/arch-v10/mm/tlb.c b/arch/cris/arch-v10/mm/tlb.c index 4a496e4ffac..21d78c599ba 100644 --- a/arch/cris/arch-v10/mm/tlb.c +++ b/arch/cris/arch-v10/mm/tlb.c @@ -134,28 +134,6 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) local_irq_restore(flags); } -/* dump the entire TLB for debug purposes */ - -#if 0 -void -dump_tlb_all(void) -{ - int i; - unsigned long flags; - - printk("TLB dump. LO is: pfn | reserved | global | valid | kernel | we |\n"); - - local_save_flags(flags); - local_irq_disable(); - for(i = 0; i < NUM_TLB_ENTRIES; i++) { - *R_TLB_SELECT = ( IO_FIELD(R_TLB_SELECT, index, i) ); - printk("Entry %d: HI 0x%08lx, LO 0x%08lx\n", - i, *R_TLB_HI, *R_TLB_LO); - } - local_irq_restore(flags); -} -#endif - /* * Initialize the context related info for a new mm_struct * instance. diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index b9e328e688b..15a9ed1d579 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -2,8 +2,7 @@ if ETRAX_ARCH_V32 config ETRAX_ETHERNET bool "Ethernet support" - depends on ETRAX_ARCH_V32 - select NET_ETHERNET + depends on ETRAX_ARCH_V32 && NETDEVICES select MII help This option enables the ETRAX FS built-in 10/100Mbit Ethernet @@ -12,7 +11,6 @@ config ETRAX_ETHERNET config ETRAX_NO_PHY bool "PHY not present" depends on ETRAX_ETHERNET - default N help This option disables all MDIO communication with an ethernet transceiver connected to the MII interface. This option shall @@ -20,64 +18,6 @@ config ETRAX_NO_PHY switch. This option should normally be disabled. If enabled, speed and duplex will be locked to 100 Mbit and full duplex. -config ETRAX_ETHERNET_IFACE0 - depends on ETRAX_ETHERNET - bool "Enable network interface 0" - -config ETRAX_ETHERNET_IFACE1 - depends on (ETRAX_ETHERNET && ETRAXFS) - bool "Enable network interface 1 (uses DMA6 and DMA7)" - -config ETRAX_ETHERNET_GBIT - depends on (ETRAX_ETHERNET && CRIS_MACH_ARTPEC3) - bool "Enable gigabit Ethernet support" - -choice - prompt "Eth0 led group" - depends on ETRAX_ETHERNET_IFACE0 - default ETRAX_ETH0_USE_LEDGRP0 - -config ETRAX_ETH0_USE_LEDGRP0 - bool "Use LED grp 0" - depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO - help - Use LED grp 0 for eth0 - -config ETRAX_ETH0_USE_LEDGRP1 - bool "Use LED grp 1" - depends on ETRAX_NBR_LED_GRP_TWO - help - Use LED grp 1 for eth0 - -config ETRAX_ETH0_USE_LEDGRPNULL - bool "Use no LEDs for eth0" - help - Use no LEDs for eth0 -endchoice - -choice - prompt "Eth1 led group" - depends on ETRAX_ETHERNET_IFACE1 - default ETRAX_ETH1_USE_LEDGRP1 - -config ETRAX_ETH1_USE_LEDGRP0 - bool "Use LED grp 0" - depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO - help - Use LED grp 0 for eth1 - -config ETRAX_ETH1_USE_LEDGRP1 - bool "Use LED grp 1" - depends on ETRAX_NBR_LED_GRP_TWO - help - Use LED grp 1 for eth1 - -config ETRAX_ETH1_USE_LEDGRPNULL - bool "Use no LEDs for eth1" - help - Use no LEDs for eth1 -endchoice - config ETRAXFS_SERIAL bool "Serial-port support" depends on ETRAX_ARCH_V32 @@ -109,275 +49,24 @@ config ETRAX_SERIAL_PORT0 if you do not need DMA to something else. ser0 can use dma4 or dma6 for output and dma5 or dma7 for input. -choice - prompt "Ser0 default port type " - depends on ETRAX_SERIAL_PORT0 - default ETRAX_SERIAL_PORT0_TYPE_232 - help - Type of serial port. - -config ETRAX_SERIAL_PORT0_TYPE_232 - bool "Ser0 is a RS-232 port" - help - Configure serial port 0 to be a RS-232 port. - -config ETRAX_SERIAL_PORT0_TYPE_485HD - bool "Ser0 is a half duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 0 to be a half duplex (two wires) RS-485 port. - -config ETRAX_SERIAL_PORT0_TYPE_485FD - bool "Ser0 is a full duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 0 to be a full duplex (four wires) RS-485 port. -endchoice - -config ETRAX_SER0_DTR_BIT - string "Ser 0 DTR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT0 - -config ETRAX_SER0_RI_BIT - string "Ser 0 RI bit (empty = not used)" - depends on ETRAX_SERIAL_PORT0 - -config ETRAX_SER0_DSR_BIT - string "Ser 0 DSR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT0 - -config ETRAX_SER0_CD_BIT - string "Ser 0 CD bit (empty = not used)" - depends on ETRAX_SERIAL_PORT0 - config ETRAX_SERIAL_PORT1 bool "Serial port 1 enabled" depends on ETRAXFS_SERIAL help Enables the ETRAX FS serial driver for ser1 (ttyS1). -choice - prompt "Ser1 default port type" - depends on ETRAX_SERIAL_PORT1 - default ETRAX_SERIAL_PORT1_TYPE_232 - help - Type of serial port. - -config ETRAX_SERIAL_PORT1_TYPE_232 - bool "Ser1 is a RS-232 port" - help - Configure serial port 1 to be a RS-232 port. - -config ETRAX_SERIAL_PORT1_TYPE_485HD - bool "Ser1 is a half duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 1 to be a half duplex (two wires) RS-485 port. - -config ETRAX_SERIAL_PORT1_TYPE_485FD - bool "Ser1 is a full duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 1 to be a full duplex (four wires) RS-485 port. -endchoice - -config ETRAX_SER1_DTR_BIT - string "Ser 1 DTR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT1 - -config ETRAX_SER1_RI_BIT - string "Ser 1 RI bit (empty = not used)" - depends on ETRAX_SERIAL_PORT1 - -config ETRAX_SER1_DSR_BIT - string "Ser 1 DSR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT1 - -config ETRAX_SER1_CD_BIT - string "Ser 1 CD bit (empty = not used)" - depends on ETRAX_SERIAL_PORT1 - config ETRAX_SERIAL_PORT2 bool "Serial port 2 enabled" depends on ETRAXFS_SERIAL help Enables the ETRAX FS serial driver for ser2 (ttyS2). -choice - prompt "Ser2 default port type" - depends on ETRAX_SERIAL_PORT2 - default ETRAX_SERIAL_PORT2_TYPE_232 - help - What DMA channel to use for ser2 - -config ETRAX_SERIAL_PORT2_TYPE_232 - bool "Ser2 is a RS-232 port" - help - Configure serial port 2 to be a RS-232 port. - -config ETRAX_SERIAL_PORT2_TYPE_485HD - bool "Ser2 is a half duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 2 to be a half duplex (two wires) RS-485 port. - -config ETRAX_SERIAL_PORT2_TYPE_485FD - bool "Ser2 is a full duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 2 to be a full duplex (four wires) RS-485 port. -endchoice - - -config ETRAX_SER2_DTR_BIT - string "Ser 2 DTR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT2 - -config ETRAX_SER2_RI_BIT - string "Ser 2 RI bit (empty = not used)" - depends on ETRAX_SERIAL_PORT2 - -config ETRAX_SER2_DSR_BIT - string "Ser 2 DSR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT2 - -config ETRAX_SER2_CD_BIT - string "Ser 2 CD bit (empty = not used)" - depends on ETRAX_SERIAL_PORT2 - config ETRAX_SERIAL_PORT3 bool "Serial port 3 enabled" depends on ETRAXFS_SERIAL help Enables the ETRAX FS serial driver for ser3 (ttyS3). -choice - prompt "Ser3 default port type" - depends on ETRAX_SERIAL_PORT3 - default ETRAX_SERIAL_PORT3_TYPE_232 - help - What DMA channel to use for ser3. - -config ETRAX_SERIAL_PORT3_TYPE_232 - bool "Ser3 is a RS-232 port" - help - Configure serial port 3 to be a RS-232 port. - -config ETRAX_SERIAL_PORT3_TYPE_485HD - bool "Ser3 is a half duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 3 to be a half duplex (two wires) RS-485 port. - -config ETRAX_SERIAL_PORT3_TYPE_485FD - bool "Ser3 is a full duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 3 to be a full duplex (four wires) RS-485 port. -endchoice - -config ETRAX_SER3_DTR_BIT - string "Ser 3 DTR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT3 - -config ETRAX_SER3_RI_BIT - string "Ser 3 RI bit (empty = not used)" - depends on ETRAX_SERIAL_PORT3 - -config ETRAX_SER3_DSR_BIT - string "Ser 3 DSR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT3 - -config ETRAX_SER3_CD_BIT - string "Ser 3 CD bit (empty = not used)" - depends on ETRAX_SERIAL_PORT3 - -config ETRAX_SERIAL_PORT4 - bool "Serial port 4 enabled" - depends on ETRAXFS_SERIAL && CRIS_MACH_ARTPEC3 - help - Enables the ETRAX FS serial driver for ser4 (ttyS4). - -choice - prompt "Ser4 default port type" - depends on ETRAX_SERIAL_PORT4 - default ETRAX_SERIAL_PORT4_TYPE_232 - help - What DMA channel to use for ser4. - -config ETRAX_SERIAL_PORT4_TYPE_232 - bool "Ser4 is a RS-232 port" - help - Configure serial port 4 to be a RS-232 port. - -config ETRAX_SERIAL_PORT4_TYPE_485HD - bool "Ser4 is a half duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 4 to be a half duplex (two wires) RS-485 port. - -config ETRAX_SERIAL_PORT4_TYPE_485FD - bool "Ser4 is a full duplex RS-485 port" - depends on ETRAX_RS485 - help - Configure serial port 4 to be a full duplex (four wires) RS-485 port. -endchoice - -choice - prompt "Ser4 DMA in channel " - depends on ETRAX_SERIAL_PORT4 - default ETRAX_SERIAL_PORT4_NO_DMA_IN - help - What DMA channel to use for ser4. - - -config ETRAX_SERIAL_PORT4_NO_DMA_IN - bool "Ser4 uses no DMA for input" - help - Do not use DMA for ser4 input. - -config ETRAX_SERIAL_PORT4_DMA9_IN - bool "Ser4 uses DMA9 for input" - depends on ETRAX_SERIAL_PORT4 - help - Enables the DMA9 input channel for ser4 (ttyS4). - If you do not enable DMA, an interrupt for each character will be - used when receiving data. - Normally you want to use DMA, unless you use the DMA channel for - something else. - -endchoice - -config ETRAX_SER4_DTR_BIT - string "Ser 4 DTR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT4 - -config ETRAX_SER4_RI_BIT - string "Ser 4 RI bit (empty = not used)" - depends on ETRAX_SERIAL_PORT4 - -config ETRAX_SER4_DSR_BIT - string "Ser 4 DSR bit (empty = not used)" - depends on ETRAX_SERIAL_PORT4 - -config ETRAX_SER3_CD_BIT - string "Ser 4 CD bit (empty = not used)" - depends on ETRAX_SERIAL_PORT4 - -config ETRAX_RS485 - bool "RS-485 support" - depends on ETRAXFS_SERIAL - help - Enables support for RS-485 serial communication. For a primer on - RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>. - -config ETRAX_RS485_DISABLE_RECEIVER - bool "Disable serial receiver" - depends on ETRAX_RS485 - help - It is necessary to disable the serial receiver to avoid serial - loopback. Not all products are able to do this in software only. - config ETRAX_SYNCHRONOUS_SERIAL bool "Synchronous serial-port support" depends on ETRAX_ARCH_V32 @@ -417,10 +106,7 @@ config ETRAX_AXISFLASHMAP select MTD_CFI select MTD_CFI_AMDSTD select MTD_JEDECPROBE - select MTD_CHAR select MTD_BLOCK - select MTD_PARTITIONS - select MTD_CONCAT select MTD_COMPLEX_MAPPINGS help This option enables MTD mapping of flash devices. Needed to use @@ -429,7 +115,6 @@ config ETRAX_AXISFLASHMAP config ETRAX_AXISFLASHMAP_MTD0WHOLE bool "MTD0 is whole boot flash device" depends on ETRAX_AXISFLASHMAP - default N help When this option is not set, mtd0 refers to the first partition on the boot flash device. When set, mtd0 refers to the whole @@ -633,7 +318,6 @@ config ETRAX_PV_CHANGEABLE_BITS config ETRAX_CARDBUS bool "Cardbus support" depends on ETRAX_ARCH_V32 - select HOTPLUG help Enabled the ETRAX Cardbus driver. @@ -657,8 +341,6 @@ config ETRAX_STREAMCOPROC This option enables a driver for the stream co-processor for cryptographic operations. -source drivers/mmc/Kconfig - config ETRAX_MMC_IOP tristate "MMC/SD host driver using IO-processor" depends on ETRAX_ARCH_V32 && MMC @@ -695,7 +377,7 @@ config ETRAX_SPI_MMC_BOARD config SPI_ETRAX_SSER tristate - depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL + depends on SPI_MASTER && ETRAX_ARCH_V32 select SPI_BITBANG help This enables using an synchronous serial (sser) port as a @@ -704,7 +386,7 @@ config SPI_ETRAX_SSER config SPI_ETRAX_GPIO tristate - depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL + depends on SPI_MASTER && ETRAX_ARCH_V32 select SPI_BITBANG help This enables using GPIO pins port as a SPI master controller @@ -724,32 +406,6 @@ config ETRAX_SPI_SSER0 want to build it as a module, which will be named spi_crisv32_sser. (You need to select MMC separately.) -config ETRAX_SPI_SSER0_DMA - bool "DMA for SPI on sser0 enabled" - depends on ETRAX_SPI_SSER0 - depends on !ETRAX_SERIAL_PORT1_DMA4_OUT && !ETRAX_SERIAL_PORT1_DMA5_IN - default y - help - Say Y if using DMA (dma4/dma5) for SPI on synchronous serial port 0. - -config ETRAX_SPI_MMC_CD_SSER0_PIN - string "MMC/SD card detect pin for SPI on sser0" - depends on ETRAX_SPI_SSER0 && MMC_SPI - default "pd11" - help - The pin to use for SD/MMC card detect. This pin should be pulled up - and grounded when a card is present. If defined as " " (space), no - pin is selected. A card must then always be inserted for proper - action. - -config ETRAX_SPI_MMC_WP_SSER0_PIN - string "MMC/SD card write-protect pin for SPI on sser0" - depends on ETRAX_SPI_SSER0 && MMC_SPI - default "pd10" - help - The pin to use for the SD/MMC write-protect signal for a memory - card. If defined as " " (space), the card is considered writable. - config ETRAX_SPI_SSER1 tristate "SPI using synchronous serial port 1 (sser1)" depends on ETRAX_SPI_MMC @@ -763,32 +419,6 @@ config ETRAX_SPI_SSER1 want to build it as a module, which will be named spi_crisv32_sser. (You need to select MMC separately.) -config ETRAX_SPI_SSER1_DMA - bool "DMA for SPI on sser1 enabled" - depends on ETRAX_SPI_SSER1 && !ETRAX_ETHERNET_IFACE1 - depends on !ETRAX_SERIAL_PORT0_DMA6_OUT && !ETRAX_SERIAL_PORT0_DMA7_IN - default y - help - Say Y if using DMA (dma6/dma7) for SPI on synchronous serial port 1. - -config ETRAX_SPI_MMC_CD_SSER1_PIN - string "MMC/SD card detect pin for SPI on sser1" - depends on ETRAX_SPI_SSER1 && MMC_SPI - default "pd12" - help - The pin to use for SD/MMC card detect. This pin should be pulled up - and grounded when a card is present. If defined as " " (space), no - pin is selected. A card must then always be inserted for proper - action. - -config ETRAX_SPI_MMC_WP_SSER1_PIN - string "MMC/SD card write-protect pin for SPI on sser1" - depends on ETRAX_SPI_SSER1 && MMC_SPI - default "pd9" - help - The pin to use for the SD/MMC write-protect signal for a memory - card. If defined as " " (space), the card is considered writable. - config ETRAX_SPI_GPIO tristate "Bitbanged SPI using gpio pins" depends on ETRAX_SPI_MMC @@ -803,56 +433,4 @@ config ETRAX_SPI_GPIO Say m to build it as a module, which will be called spi_crisv32_gpio. (You need to select MMC separately.) -# The default match that of sser0, only because that's how it was tested. -config ETRAX_SPI_CS_PIN - string "SPI chip select pin" - depends on ETRAX_SPI_GPIO - default "pc3" - help - The pin to use for SPI chip select. - -config ETRAX_SPI_CLK_PIN - string "SPI clock pin" - depends on ETRAX_SPI_GPIO - default "pc1" - help - The pin to use for the SPI clock. - -config ETRAX_SPI_DATAIN_PIN - string "SPI MISO (data in) pin" - depends on ETRAX_SPI_GPIO - default "pc16" - help - The pin to use for SPI data in from the device. - -config ETRAX_SPI_DATAOUT_PIN - string "SPI MOSI (data out) pin" - depends on ETRAX_SPI_GPIO - default "pc0" - help - The pin to use for SPI data out to the device. - -config ETRAX_SPI_MMC_CD_GPIO_PIN - string "MMC/SD card detect pin for SPI using gpio (space for none)" - depends on ETRAX_SPI_GPIO && MMC_SPI - default "pd11" - help - The pin to use for SD/MMC card detect. This pin should be pulled up - and grounded when a card is present. If defined as " " (space), no - pin is selected. A card must then always be inserted for proper - action. - -config ETRAX_SPI_MMC_WP_GPIO_PIN - string "MMC/SD card write-protect pin for SPI using gpio (space for none)" - depends on ETRAX_SPI_GPIO && MMC_SPI - default "pd10" - help - The pin to use for the SD/MMC write-protect signal for a memory - card. If defined as " " (space), the card is considered writable. - -# Avoid choices causing non-working configs by conditionalizing the inclusion. -if ETRAX_SPI_MMC -source drivers/spi/Kconfig -endif - endif diff --git a/arch/cris/arch-v32/drivers/Makefile b/arch/cris/arch-v32/drivers/Makefile index e8c02437eda..39aa3c117a8 100644 --- a/arch/cris/arch-v32/drivers/Makefile +++ b/arch/cris/arch-v32/drivers/Makefile @@ -7,7 +7,6 @@ obj-$(CONFIG_ETRAX_AXISFLASHMAP) += axisflashmap.o obj-$(CONFIG_ETRAXFS) += mach-fs/ obj-$(CONFIG_CRIS_MACH_ARTPEC3) += mach-a3/ obj-$(CONFIG_ETRAX_IOP_FW_LOAD) += iop_fw_load.o -obj-$(CONFIG_ETRAX_PCF8563) += pcf8563.o obj-$(CONFIG_ETRAX_I2C) += i2c.o obj-$(CONFIG_ETRAX_SYNCHRONOUS_SERIAL) += sync_serial.o obj-$(CONFIG_PCI) += pci/ diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c index 51e1e85df96..28dd77144e8 100644 --- a/arch/cris/arch-v32/drivers/axisflashmap.c +++ b/arch/cris/arch-v32/drivers/axisflashmap.c @@ -24,8 +24,6 @@ #include <linux/mtd/mtdram.h> #include <linux/mtd/partitions.h> -#include <linux/cramfs_fs.h> - #include <asm/axisflashmap.h> #include <asm/mmu.h> @@ -215,7 +213,7 @@ static struct mtd_partition main_partition = { }; #endif -/* Auxilliary partition if we find another flash */ +/* Auxiliary partition if we find another flash */ static struct mtd_partition aux_partition = { .name = "aux", .size = 0, @@ -275,7 +273,6 @@ static struct mtd_info *flash_probe(void) } if (count > 1) { -#ifdef CONFIG_MTD_CONCAT /* Since the concatenation layer adds a small overhead we * could try to figure out if the chips in cse0 and cse1 are * identical and reprobe the whole cse0+cse1 window. But since @@ -284,11 +281,6 @@ static struct mtd_info *flash_probe(void) * complicating the probing procedure. */ mtd_total = mtd_concat_create(mtds, count, "cse0+cse1"); -#else - printk(KERN_ERR "%s and %s: Cannot concatenate due to kernel " - "(mis)configuration!\n", map_cse0.name, map_cse1.name); - mtd_toal = NULL; -#endif if (!mtd_total) { printk(KERN_ERR "%s and %s: Concatenation failed!\n", map_cse0.name, map_cse1.name); @@ -335,7 +327,6 @@ static int __init init_axis_flash(void) } #endif -#ifndef CONFIG_ETRAX_VCS_SIM main_mtd = flash_probe(); if (main_mtd) printk(KERN_INFO "%s: 0x%08x bytes of NOR flash memory.\n", @@ -410,8 +401,7 @@ static int __init init_axis_flash(void) */ int blockstat; do { - blockstat = main_mtd->block_isbad(main_mtd, - ptable_sector); + blockstat = mtd_block_isbad(main_mtd, ptable_sector); if (blockstat < 0) ptable_sector = 0; /* read error */ else if (blockstat) @@ -419,8 +409,8 @@ static int __init init_axis_flash(void) } while (blockstat && ptable_sector); #endif if (ptable_sector) { - main_mtd->read(main_mtd, ptable_sector, PAGESIZE, - &len, page); + mtd_read(main_mtd, ptable_sector, PAGESIZE, &len, + page); ptable_head = &((struct partitiontable *) page)->head; } @@ -567,7 +557,7 @@ static int __init init_axis_flash(void) #ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE if (main_mtd) { main_partition.size = main_mtd->size; - err = add_mtd_partitions(main_mtd, &main_partition, 1); + err = mtd_device_register(main_mtd, &main_partition, 1); if (err) panic("axisflashmap: Could not initialize " "partition for whole main mtd device!\n"); @@ -603,49 +593,22 @@ static int __init init_axis_flash(void) mtd_ram->erasesize = (main_mtd ? main_mtd->erasesize : CONFIG_ETRAX_PTABLE_SECTOR); } else { - err = add_mtd_partitions(main_mtd, &partition[part], 1); + err = mtd_device_register(main_mtd, &partition[part], + 1); if (err) panic("axisflashmap: Could not add mtd " "partition %d\n", part); } } -#endif /* CONFIG_EXTRAX_VCS_SIM */ - -#ifdef CONFIG_ETRAX_VCS_SIM - /* For simulator, always use a RAM partition. - * The rootfs will be found after the kernel in RAM, - * with romfs_start and romfs_end indicating location and size. - */ - struct mtd_info *mtd_ram; - - mtd_ram = kmalloc(sizeof(struct mtd_info), GFP_KERNEL); - if (!mtd_ram) { - panic("axisflashmap: Couldn't allocate memory for " - "mtd_info!\n"); - } - - printk(KERN_INFO "axisflashmap: Adding RAM partition for romfs, " - "at %u, size %u\n", - (unsigned) romfs_start, (unsigned) romfs_length); - - err = mtdram_init_device(mtd_ram, (void *)romfs_start, - romfs_length, "romfs"); - if (err) { - panic("axisflashmap: Could not initialize MTD RAM " - "device!\n"); - } -#endif /* CONFIG_EXTRAX_VCS_SIM */ -#ifndef CONFIG_ETRAX_VCS_SIM if (aux_mtd) { aux_partition.size = aux_mtd->size; - err = add_mtd_partitions(aux_mtd, &aux_partition, 1); + err = mtd_device_register(aux_mtd, &aux_partition, 1); if (err) panic("axisflashmap: Could not initialize " "aux mtd device!\n"); } -#endif /* CONFIG_EXTRAX_VCS_SIM */ return err; } diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index 67c61ea8681..877da190823 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -11,13 +11,12 @@ #include <linux/string.h> #include <linux/fs.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/stddef.h> #include <asm/uaccess.h> #include <asm/io.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <linux/list.h> #include <linux/interrupt.h> @@ -217,7 +216,7 @@ static int cryptocop_open(struct inode *, struct file *); static int cryptocop_release(struct inode *, struct file *); -static int cryptocop_ioctl(struct inode *inode, struct file *file, +static long cryptocop_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static void cryptocop_start_job(void); @@ -279,10 +278,11 @@ static void print_user_dma_lists(struct cryptocop_dma_list_operation *dma_op); const struct file_operations cryptocop_fops = { - .owner = THIS_MODULE, - .open = cryptocop_open, - .release = cryptocop_release, - .ioctl = cryptocop_ioctl + .owner = THIS_MODULE, + .open = cryptocop_open, + .release = cryptocop_release, + .unlocked_ioctl = cryptocop_ioctl, + .llseek = noop_llseek, }; @@ -628,9 +628,9 @@ static int create_output_descriptors(struct cryptocop_operation *operation, int cdesc->dma_descr->buf = (char*)virt_to_phys(operation->tfrm_op.indata[*iniov_ix].iov_base + *iniov_offset); cdesc->dma_descr->after = cdesc->dma_descr->buf + dlength; + assert(desc_len >= dlength); desc_len -= dlength; *iniov_offset += dlength; - assert(desc_len >= 0); if (*iniov_offset >= operation->tfrm_op.indata[*iniov_ix].iov_len) { *iniov_offset = 0; ++(*iniov_ix); @@ -1394,11 +1394,10 @@ static int create_md5_pad(int alloc_flag, unsigned long long hashed_length, char if (padlen < MD5_MIN_PAD_LENGTH) padlen += MD5_BLOCK_LENGTH; - p = kmalloc(padlen, alloc_flag); - if (!pad) return -ENOMEM; + p = kzalloc(padlen, alloc_flag); + if (!p) return -ENOMEM; *p = 0x80; - memset(p+1, 0, padlen - 1); DEBUG(printk("create_md5_pad: hashed_length=%lld bits == %lld bytes\n", bit_length, hashed_length)); @@ -1426,11 +1425,10 @@ static int create_sha1_pad(int alloc_flag, unsigned long long hashed_length, cha if (padlen < SHA1_MIN_PAD_LENGTH) padlen += SHA1_BLOCK_LENGTH; - p = kmalloc(padlen, alloc_flag); - if (!pad) return -ENOMEM; + p = kzalloc(padlen, alloc_flag); + if (!p) return -ENOMEM; *p = 0x80; - memset(p+1, 0, padlen - 1); DEBUG(printk("create_sha1_pad: hashed_length=%lld bits == %lld bytes\n", bit_length, hashed_length)); @@ -2307,7 +2305,6 @@ static int cryptocop_open(struct inode *inode, struct file *filp) { int p = iminor(inode); - cycle_kernel_lock(); if (p != CRYPTOCOP_MINOR) return -EINVAL; filp->private_data = NULL; @@ -3102,7 +3099,8 @@ static int cryptocop_ioctl_create_session(struct inode *inode, struct file *filp return 0; } -static int cryptocop_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) +static long cryptocop_ioctl_unlocked(struct inode *inode, + struct file *filp, unsigned int cmd, unsigned long arg) { int err = 0; if (_IOC_TYPE(cmd) != ETRAXCRYPTOCOP_IOCTYPE) { @@ -3134,6 +3132,18 @@ static int cryptocop_ioctl(struct inode *inode, struct file *filp, unsigned int return 0; } +static long +cryptocop_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + long ret; + + mutex_lock(&cryptocop_mutex); + ret = cryptocop_ioctl_unlocked(file_inode(filp), filp, cmd, arg); + mutex_unlock(&cryptocop_mutex); + + return ret; +} + #ifdef LDEBUG static void print_dma_descriptors(struct cryptocop_int_operation *iop) diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index 179e7b80433..3b2c82ce814 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -27,17 +27,15 @@ #include <linux/module.h> #include <linux/sched.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/fs.h> #include <linux/string.h> #include <linux/init.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/etraxi2c.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/delay.h> @@ -48,6 +46,7 @@ #define D(x) #define I2C_MAJOR 123 /* LOCAL/EXPERIMENTAL */ +static DEFINE_MUTEX(i2c_mutex); static const char i2c_name[] = "i2c"; #define CLOCK_LOW_TIME 8 @@ -637,7 +636,6 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg) static int i2c_open(struct inode *inode, struct file *filp) { - cycle_kernel_lock(); return 0; } @@ -650,10 +648,10 @@ i2c_release(struct inode *inode, struct file *filp) /* Main device API. ioctl's to write or read to/from i2c registers. */ -static int -i2c_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long +i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + int ret; if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) { return -ENOTTY; } @@ -666,9 +664,13 @@ i2c_ioctl(struct inode *inode, struct file *file, I2C_ARGREG(arg), I2C_ARGVALUE(arg))); - return i2c_writereg(I2C_ARGSLAVE(arg), + mutex_lock(&i2c_mutex); + ret = i2c_writereg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg), I2C_ARGVALUE(arg)); + mutex_unlock(&i2c_mutex); + return ret; + case I2C_READREG: { unsigned char val; @@ -676,7 +678,9 @@ i2c_ioctl(struct inode *inode, struct file *file, D(printk("i2cr %d %d ", I2C_ARGSLAVE(arg), I2C_ARGREG(arg))); + mutex_lock(&i2c_mutex); val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg)); + mutex_unlock(&i2c_mutex); D(printk("= %d\n", val)); return val; } @@ -689,10 +693,11 @@ i2c_ioctl(struct inode *inode, struct file *file, } static const struct file_operations i2c_fops = { - .owner = THIS_MODULE, - .ioctl = i2c_ioctl, - .open = i2c_open, - .release = i2c_release, + .owner = THIS_MODULE, + .unlocked_ioctl = i2c_ioctl, + .open = i2c_open, + .release = i2c_release, + .llseek = noop_llseek, }; static int __init i2c_init(void) diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c index 97357cfd17b..74f9fe80940 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c @@ -23,7 +23,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/etraxgpio.h> #include <hwregs/reg_map.h> @@ -31,7 +31,6 @@ #include <hwregs/gio_defs.h> #include <hwregs/intr_vect_defs.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/irq.h> #include <mach/pinmux.h> @@ -66,14 +65,14 @@ static int dp_cnt; #define DP(x) #endif +static DEFINE_MUTEX(gpio_mutex); static char gpio_name[] = "etrax gpio"; #ifdef CONFIG_ETRAX_VIRTUAL_GPIO static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); #endif -static int gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static ssize_t gpio_write(struct file *file, const char __user *buf, size_t count, loff_t *off); static int gpio_open(struct inode *inode, struct file *filp); @@ -392,7 +391,7 @@ static int gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; - lock_kernel(); + mutex_lock(&gpio_mutex); memset(priv, 0, sizeof(*priv)); priv->minor = p; @@ -415,7 +414,7 @@ static int gpio_open(struct inode *inode, struct file *filp) spin_unlock_irq(&gpio_lock); } - unlock_kernel(); + mutex_unlock(&gpio_mutex); return 0; } @@ -521,7 +520,7 @@ static inline unsigned long setget_output(struct gpio_private *priv, return dir_shadow; } /* setget_output */ -static int gpio_ioctl(struct inode *inode, struct file *file, +static long gpio_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; @@ -664,6 +663,17 @@ static int gpio_ioctl(struct inode *inode, struct file *file, return 0; } +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + long ret; + + mutex_lock(&gpio_mutex); + ret = gpio_ioctl_unlocked(file, cmd, arg); + mutex_unlock(&gpio_mutex); + + return ret; +} + #ifdef CONFIG_ETRAX_VIRTUAL_GPIO static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -877,12 +887,13 @@ static int gpio_pwm_ioctl(struct gpio_private *priv, unsigned int cmd, } static const struct file_operations gpio_fops = { - .owner = THIS_MODULE, - .poll = gpio_poll, - .ioctl = gpio_ioctl, - .write = gpio_write, - .open = gpio_open, - .release = gpio_release, + .owner = THIS_MODULE, + .poll = gpio_poll, + .unlocked_ioctl = gpio_ioctl, + .write = gpio_write, + .open = gpio_open, + .release = gpio_release, + .llseek = noop_llseek, }; #ifdef CONFIG_ETRAX_VIRTUAL_GPIO @@ -967,7 +978,7 @@ static int __init gpio_init(void) CRIS_LED_DISK_WRITE(0); int res2 = request_irq(GIO_INTR_VECT, gpio_interrupt, - IRQF_SHARED | IRQF_DISABLED, "gpio", &alarmlist); + IRQF_SHARED, "gpio", &alarmlist); if (res2) { printk(KERN_ERR "err: irq for gpio\n"); return res2; diff --git a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c index 25d6f2b3a72..7fb52128ddc 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c +++ b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c @@ -163,9 +163,9 @@ struct mtd_info *__init crisv32_nand_flash_probe(void) this->ecc.mode = NAND_ECC_SOFT; /* Enable the following for a flash based bad block table */ - /* this->options = NAND_USE_FLASH_BBT; */ + /* this->bbt_options = NAND_BBT_USE_FLASH; */ - /* Scan to find existance of the device */ + /* Scan to find existence of the device */ if (nand_scan(crisv32_mtd, 1)) { err = -ENXIO; goto out_mtd; diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c index fe1fde89388..009f4ee1bd0 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c @@ -22,7 +22,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/etraxgpio.h> #include <hwregs/reg_map.h> @@ -30,7 +30,6 @@ #include <hwregs/gio_defs.h> #include <hwregs/intr_vect_defs.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/irq.h> #ifdef CONFIG_ETRAX_VIRTUAL_GPIO @@ -64,6 +63,7 @@ static int dp_cnt; #define DP(x) #endif +static DEFINE_MUTEX(gpio_mutex); static char gpio_name[] = "etrax gpio"; #if 0 @@ -74,8 +74,7 @@ static wait_queue_head_t *gpio_wq; static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); #endif -static int gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static ssize_t gpio_write(struct file *file, const char *buf, size_t count, loff_t *off); static int gpio_open(struct inode *inode, struct file *filp); @@ -185,7 +184,7 @@ static volatile unsigned long *dir_oe[NUM_PORTS] = { static unsigned int gpio_poll(struct file *file, struct poll_table_struct *wait) { unsigned int mask = 0; - struct gpio_private *priv = (struct gpio_private *)file->private_data; + struct gpio_private *priv = file->private_data; unsigned long data; poll_wait(file, &priv->alarm_wq, wait); if (priv->minor == GPIO_MINOR_A) { @@ -353,7 +352,7 @@ gpio_pa_interrupt(int irq, void *dev_id) static ssize_t gpio_write(struct file *file, const char *buf, size_t count, loff_t *off) { - struct gpio_private *priv = (struct gpio_private *)file->private_data; + struct gpio_private *priv = file->private_data; unsigned char data, clk_mask, data_mask, write_msb; unsigned long flags; unsigned long shadow; @@ -430,7 +429,7 @@ gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; - lock_kernel(); + mutex_lock(&gpio_mutex); memset(priv, 0, sizeof(*priv)); priv->minor = p; @@ -451,7 +450,7 @@ gpio_open(struct inode *inode, struct file *filp) alarmlist = priv; spin_unlock_irq(&alarm_lock); - unlock_kernel(); + mutex_unlock(&gpio_mutex); return 0; } @@ -468,7 +467,7 @@ gpio_release(struct inode *inode, struct file *filp) spin_lock_irq(&alarm_lock); p = alarmlist; - todel = (struct gpio_private *)filp->private_data; + todel = filp->private_data; if (p == todel) { alarmlist = todel->next; @@ -557,17 +556,15 @@ inline unsigned long setget_output(struct gpio_private *priv, unsigned long arg) return dir_shadow; } /* setget_output */ -static int -gpio_leds_ioctl(unsigned int cmd, unsigned long arg); +static int gpio_leds_ioctl(unsigned int cmd, unsigned long arg); static int -gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +gpio_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; unsigned long val; unsigned long shadow; - struct gpio_private *priv = (struct gpio_private *)file->private_data; + struct gpio_private *priv = file->private_data; if (_IOC_TYPE(cmd) != ETRAXGPIO_IOCTYPE) return -EINVAL; @@ -707,6 +704,17 @@ gpio_ioctl(struct inode *inode, struct file *file, return 0; } +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + long ret; + + mutex_lock(&gpio_mutex); + ret = gpio_ioctl_unlocked(file, cmd, arg); + mutex_unlock(&gpio_mutex); + + return ret; +} + #ifdef CONFIG_ETRAX_VIRTUAL_GPIO static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -714,7 +722,7 @@ virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) unsigned long flags; unsigned short val; unsigned short shadow; - struct gpio_private *priv = (struct gpio_private *)file->private_data; + struct gpio_private *priv = file->private_data; switch (_IOC_NR(cmd)) { case IO_SETBITS: @@ -855,13 +863,14 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg) return 0; } -struct file_operations gpio_fops = { - .owner = THIS_MODULE, - .poll = gpio_poll, - .ioctl = gpio_ioctl, - .write = gpio_write, - .open = gpio_open, - .release = gpio_release, +static const struct file_operations gpio_fops = { + .owner = THIS_MODULE, + .poll = gpio_poll, + .unlocked_ioctl = gpio_ioctl, + .write = gpio_write, + .open = gpio_open, + .release = gpio_release, + .llseek = noop_llseek, }; #ifdef CONFIG_ETRAX_VIRTUAL_GPIO @@ -949,17 +958,13 @@ gpio_init(void) printk(KERN_INFO "ETRAX FS GPIO driver v2.5, (c) 2003-2007 " "Axis Communications AB\n"); - /* We call etrax_gpio_wake_up_check() from timer interrupt and - * from cpu_idle() in kernel/process.c - * The check in cpu_idle() reduces latency from ~15 ms to ~6 ms - * in some tests. - */ + /* We call etrax_gpio_wake_up_check() from timer interrupt */ if (request_irq(TIMER0_INTR_VECT, gpio_poll_timer_interrupt, - IRQF_SHARED | IRQF_DISABLED, "gpio poll", &alarmlist)) + IRQF_SHARED, "gpio poll", &alarmlist)) printk(KERN_ERR "timer0 irq for gpio\n"); if (request_irq(GIO_INTR_VECT, gpio_pa_interrupt, - IRQF_SHARED | IRQF_DISABLED, "gpio PA", &alarmlist)) + IRQF_SHARED, "gpio PA", &alarmlist)) printk(KERN_ERR "PA irq for gpio\n"); #ifdef CONFIG_ETRAX_VIRTUAL_GPIO diff --git a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c index c5a0f54763c..e03238454b0 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c +++ b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c @@ -154,9 +154,9 @@ struct mtd_info *__init crisv32_nand_flash_probe(void) this->ecc.mode = NAND_ECC_SOFT; /* Enable the following for a flash based bad block table */ - /* this->options = NAND_USE_FLASH_BBT; */ + /* this->bbt_options = NAND_BBT_USE_FLASH; */ - /* Scan to find existance of the device */ + /* Scan to find existence of the device */ if (nand_scan(crisv32_mtd, 1)) { err = -ENXIO; goto out_ior; diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c deleted file mode 100644 index f4478506e52..00000000000 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * PCF8563 RTC - * - * From Phillips' datasheet: - * - * The PCF8563 is a CMOS real-time clock/calendar optimized for low power - * consumption. A programmable clock output, interrupt output and voltage - * low detector are also provided. All address and data are transferred - * serially via two-line bidirectional I2C-bus. Maximum bus speed is - * 400 kbits/s. The built-in word address register is incremented - * automatically after each written or read byte. - * - * Copyright (c) 2002-2007, Axis Communications AB - * All rights reserved. - * - * Author: Tobias Anderberg <tobiasa@axis.com>. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/ioctl.h> -#include <linux/delay.h> -#include <linux/bcd.h> -#include <linux/mutex.h> - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/rtc.h> - -#include "i2c.h" - -#define PCF8563_MAJOR 121 /* Local major number. */ -#define DEVICE_NAME "rtc" /* Name which is registered in /proc/devices. */ -#define PCF8563_NAME "PCF8563" -#define DRIVER_VERSION "$Revision: 1.17 $" - -/* Two simple wrapper macros, saves a few keystrokes. */ -#define rtc_read(x) i2c_readreg(RTC_I2C_READ, x) -#define rtc_write(x,y) i2c_writereg(RTC_I2C_WRITE, x, y) - -static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ - -static const unsigned char days_in_month[] = - { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; - -int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); - -/* Cache VL bit value read at driver init since writing the RTC_SECOND - * register clears the VL status. - */ -static int voltage_low; - -static const struct file_operations pcf8563_fops = { - .owner = THIS_MODULE, - .ioctl = pcf8563_ioctl -}; - -unsigned char -pcf8563_readreg(int reg) -{ - unsigned char res = rtc_read(reg); - - /* The PCF8563 does not return 0 for unimplemented bits. */ - switch (reg) { - case RTC_SECONDS: - case RTC_MINUTES: - res &= 0x7F; - break; - case RTC_HOURS: - case RTC_DAY_OF_MONTH: - res &= 0x3F; - break; - case RTC_WEEKDAY: - res &= 0x07; - break; - case RTC_MONTH: - res &= 0x1F; - break; - case RTC_CONTROL1: - res &= 0xA8; - break; - case RTC_CONTROL2: - res &= 0x1F; - break; - case RTC_CLOCKOUT_FREQ: - case RTC_TIMER_CONTROL: - res &= 0x83; - break; - } - return res; -} - -void -pcf8563_writereg(int reg, unsigned char val) -{ - rtc_write(reg, val); -} - -void -get_rtc_time(struct rtc_time *tm) -{ - tm->tm_sec = rtc_read(RTC_SECONDS); - tm->tm_min = rtc_read(RTC_MINUTES); - tm->tm_hour = rtc_read(RTC_HOURS); - tm->tm_mday = rtc_read(RTC_DAY_OF_MONTH); - tm->tm_wday = rtc_read(RTC_WEEKDAY); - tm->tm_mon = rtc_read(RTC_MONTH); - tm->tm_year = rtc_read(RTC_YEAR); - - if (tm->tm_sec & 0x80) { - printk(KERN_ERR "%s: RTC Voltage Low - reliable date/time " - "information is no longer guaranteed!\n", PCF8563_NAME); - } - - tm->tm_year = bcd2bin(tm->tm_year) + - ((tm->tm_mon & 0x80) ? 100 : 0); - tm->tm_sec &= 0x7F; - tm->tm_min &= 0x7F; - tm->tm_hour &= 0x3F; - tm->tm_mday &= 0x3F; - tm->tm_wday &= 0x07; /* Not coded in BCD. */ - tm->tm_mon &= 0x1F; - - tm->tm_sec = bcd2bin(tm->tm_sec); - tm->tm_min = bcd2bin(tm->tm_min); - tm->tm_hour = bcd2bin(tm->tm_hour); - tm->tm_mday = bcd2bin(tm->tm_mday); - tm->tm_mon = bcd2bin(tm->tm_mon); - tm->tm_mon--; /* Month is 1..12 in RTC but 0..11 in linux */ -} - -int __init -pcf8563_init(void) -{ - static int res; - static int first = 1; - - if (!first) - return res; - first = 0; - - /* Initiate the i2c protocol. */ - res = i2c_init(); - if (res < 0) { - printk(KERN_CRIT "pcf8563_init: Failed to init i2c.\n"); - return res; - } - - /* - * First of all we need to reset the chip. This is done by - * clearing control1, control2 and clk freq and resetting - * all alarms. - */ - if (rtc_write(RTC_CONTROL1, 0x00) < 0) - goto err; - - if (rtc_write(RTC_CONTROL2, 0x00) < 0) - goto err; - - if (rtc_write(RTC_CLOCKOUT_FREQ, 0x00) < 0) - goto err; - - if (rtc_write(RTC_TIMER_CONTROL, 0x03) < 0) - goto err; - - /* Reset the alarms. */ - if (rtc_write(RTC_MINUTE_ALARM, 0x80) < 0) - goto err; - - if (rtc_write(RTC_HOUR_ALARM, 0x80) < 0) - goto err; - - if (rtc_write(RTC_DAY_ALARM, 0x80) < 0) - goto err; - - if (rtc_write(RTC_WEEKDAY_ALARM, 0x80) < 0) - goto err; - - /* Check for low voltage, and warn about it. */ - if (rtc_read(RTC_SECONDS) & 0x80) { - voltage_low = 1; - printk(KERN_WARNING "%s: RTC Voltage Low - reliable " - "date/time information is no longer guaranteed!\n", - PCF8563_NAME); - } - - return res; - -err: - printk(KERN_INFO "%s: Error initializing chip.\n", PCF8563_NAME); - res = -1; - return res; -} - -void __exit -pcf8563_exit(void) -{ - unregister_chrdev(PCF8563_MAJOR, DEVICE_NAME); -} - -/* - * ioctl calls for this driver. Why return -ENOTTY upon error? Because - * POSIX says so! - */ -int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - /* Some sanity checks. */ - if (_IOC_TYPE(cmd) != RTC_MAGIC) - return -ENOTTY; - - if (_IOC_NR(cmd) > RTC_MAX_IOCTL) - return -ENOTTY; - - switch (cmd) { - case RTC_RD_TIME: - { - struct rtc_time tm; - - mutex_lock(&rtc_lock); - memset(&tm, 0, sizeof tm); - get_rtc_time(&tm); - - if (copy_to_user((struct rtc_time *) arg, &tm, - sizeof tm)) { - mutex_unlock(&rtc_lock); - return -EFAULT; - } - - mutex_unlock(&rtc_lock); - - return 0; - } - case RTC_SET_TIME: - { - int leap; - int year; - int century; - struct rtc_time tm; - - memset(&tm, 0, sizeof tm); - if (!capable(CAP_SYS_TIME)) - return -EPERM; - - if (copy_from_user(&tm, (struct rtc_time *) arg, - sizeof tm)) - return -EFAULT; - - /* Convert from struct tm to struct rtc_time. */ - tm.tm_year += 1900; - tm.tm_mon += 1; - - /* - * Check if tm.tm_year is a leap year. A year is a leap - * year if it is divisible by 4 but not 100, except - * that years divisible by 400 _are_ leap years. - */ - year = tm.tm_year; - leap = (tm.tm_mon == 2) && - ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0); - - /* Perform some sanity checks. */ - if ((tm.tm_year < 1970) || - (tm.tm_mon > 12) || - (tm.tm_mday == 0) || - (tm.tm_mday > days_in_month[tm.tm_mon] + leap) || - (tm.tm_wday >= 7) || - (tm.tm_hour >= 24) || - (tm.tm_min >= 60) || - (tm.tm_sec >= 60)) - return -EINVAL; - - century = (tm.tm_year >= 2000) ? 0x80 : 0; - tm.tm_year = tm.tm_year % 100; - - tm.tm_year = bin2bcd(tm.tm_year); - tm.tm_mon = bin2bcd(tm.tm_mon); - tm.tm_mday = bin2bcd(tm.tm_mday); - tm.tm_hour = bin2bcd(tm.tm_hour); - tm.tm_min = bin2bcd(tm.tm_min); - tm.tm_sec = bin2bcd(tm.tm_sec); - tm.tm_mon |= century; - - mutex_lock(&rtc_lock); - - rtc_write(RTC_YEAR, tm.tm_year); - rtc_write(RTC_MONTH, tm.tm_mon); - rtc_write(RTC_WEEKDAY, tm.tm_wday); /* Not coded in BCD. */ - rtc_write(RTC_DAY_OF_MONTH, tm.tm_mday); - rtc_write(RTC_HOURS, tm.tm_hour); - rtc_write(RTC_MINUTES, tm.tm_min); - rtc_write(RTC_SECONDS, tm.tm_sec); - - mutex_unlock(&rtc_lock); - - return 0; - } - case RTC_VL_READ: - if (voltage_low) - printk(KERN_ERR "%s: RTC Voltage Low - " - "reliable date/time information is no " - "longer guaranteed!\n", PCF8563_NAME); - - if (copy_to_user((int *) arg, &voltage_low, sizeof(int))) - return -EFAULT; - return 0; - - case RTC_VL_CLR: - { - /* Clear the VL bit in the seconds register in case - * the time has not been set already (which would - * have cleared it). This does not really matter - * because of the cached voltage_low value but do it - * anyway for consistency. */ - - int ret = rtc_read(RTC_SECONDS); - - rtc_write(RTC_SECONDS, (ret & 0x7F)); - - /* Clear the cached value. */ - voltage_low = 0; - - return 0; - } - default: - return -ENOTTY; - } - - return 0; -} - -static int __init pcf8563_register(void) -{ - if (pcf8563_init() < 0) { - printk(KERN_INFO "%s: Unable to initialize Real-Time Clock " - "Driver, %s\n", PCF8563_NAME, DRIVER_VERSION); - return -1; - } - - if (register_chrdev(PCF8563_MAJOR, DEVICE_NAME, &pcf8563_fops) < 0) { - printk(KERN_INFO "%s: Unable to get major numer %d for RTC " - "device.\n", PCF8563_NAME, PCF8563_MAJOR); - return -1; - } - - printk(KERN_INFO "%s Real-Time Clock Driver, %s\n", PCF8563_NAME, - DRIVER_VERSION); - - /* Check for low voltage, and warn about it. */ - if (voltage_low) { - printk(KERN_WARNING "%s: RTC Voltage Low - reliable date/time " - "information is no longer guaranteed!\n", PCF8563_NAME); - } - - return 0; -} - -module_init(pcf8563_register); -module_exit(pcf8563_exit); diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c index 77ee319193c..64a5fb93767 100644 --- a/arch/cris/arch-v32/drivers/pci/bios.c +++ b/arch/cris/arch-v32/drivers/pci/bios.c @@ -2,15 +2,10 @@ #include <linux/kernel.h> #include <arch/hwregs/intr_vect.h> -void __devinit pcibios_fixup_bus(struct pci_bus *b) +void pcibios_fixup_bus(struct pci_bus *b) { } -char * __devinit pcibios_setup(char *str) -{ - return NULL; -} - void pcibios_set_master(struct pci_dev *dev) { u8 lat; @@ -41,18 +36,16 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, return 0; } -void -pcibios_align_resource(void *data, struct resource *res, +resource_size_t +pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) { - if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; + resource_size_t start = res->start; - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } + if ((res->flags & IORESOURCE_IO) && (start & 0x300)) + start = (start + 0x3ff) & ~0x3ff; + + return start; } int pcibios_enable_resources(struct pci_dev *dev, int mask) @@ -104,28 +97,3 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) pcibios_enable_irq(dev); return 0; } - -int pcibios_assign_resources(void) -{ - struct pci_dev *dev = NULL; - int idx; - struct resource *r; - - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - int class = dev->class >> 8; - - /* Don't touch classless devices and host bridges */ - if (!class || class == PCI_CLASS_BRIDGE_HOST) - continue; - - for(idx=0; idx<6; idx++) { - r = &dev->resource[idx]; - - if (!r->start && r->end) - pci_assign_resource(dev, idx); - } - } - return 0; -} - -EXPORT_SYMBOL(pcibios_assign_resources); diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c index fbe65954ee6..ee55578d983 100644 --- a/arch/cris/arch-v32/drivers/pci/dma.c +++ b/arch/cris/arch-v32/drivers/pci/dma.c @@ -13,6 +13,7 @@ #include <linux/mm.h> #include <linux/string.h> #include <linux/pci.h> +#include <linux/gfp.h> #include <asm/io.h> void *dma_alloc_coherent(struct device *dev, size_t size, diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index d2a0fbf5341..bbb806b6883 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -13,13 +13,13 @@ #include <linux/errno.h> #include <linux/major.h> #include <linux/sched.h> -#include <linux/slab.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/interrupt.h> #include <linux/poll.h> #include <linux/init.h> #include <linux/timer.h> #include <linux/spinlock.h> +#include <linux/wait.h> #include <asm/io.h> #include <dma.h> @@ -34,7 +34,7 @@ #include <asm/sync_serial.h> -/* The receiver is a bit tricky beacuse of the continuous stream of data.*/ +/* The receiver is a bit tricky because of the continuous stream of data.*/ /* */ /* Three DMA descriptors are linked together. Each DMA descriptor is */ /* responsible for port->bufchunk of a common buffer. */ @@ -146,6 +146,7 @@ typedef struct sync_port spinlock_t lock; } sync_port; +static DEFINE_MUTEX(sync_serial_mutex); static int etrax_sync_serial_init(void); static void initialize_port(int portnbr); static inline int sync_data_avail(struct sync_port *port); @@ -154,7 +155,7 @@ static int sync_serial_open(struct inode *, struct file*); static int sync_serial_release(struct inode*, struct file*); static unsigned int sync_serial_poll(struct file *filp, poll_table *wait); -static int sync_serial_ioctl(struct inode*, struct file*, +static int sync_serial_ioctl(struct file *, unsigned int cmd, unsigned long arg); static ssize_t sync_serial_write(struct file * file, const char * buf, size_t count, loff_t *ppos); @@ -242,13 +243,14 @@ static struct sync_port ports[]= #define NBR_PORTS ARRAY_SIZE(ports) static const struct file_operations sync_serial_fops = { - .owner = THIS_MODULE, - .write = sync_serial_write, - .read = sync_serial_read, - .poll = sync_serial_poll, - .ioctl = sync_serial_ioctl, - .open = sync_serial_open, - .release = sync_serial_release + .owner = THIS_MODULE, + .write = sync_serial_write, + .read = sync_serial_read, + .poll = sync_serial_poll, + .unlocked_ioctl = sync_serial_ioctl, + .open = sync_serial_open, + .release = sync_serial_release, + .llseek = noop_llseek, }; static int __init etrax_sync_serial_init(void) @@ -435,7 +437,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) reg_dma_rw_cfg cfg = {.en = regk_dma_yes}; reg_dma_rw_intr_mask intr_mask = {.data = regk_dma_yes}; - lock_kernel(); + mutex_lock(&sync_serial_mutex); DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev)); if (dev < 0 || dev >= NBR_PORTS || !ports[dev].enabled) @@ -584,7 +586,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) port->busy++; ret = 0; out: - unlock_kernel(); + mutex_unlock(&sync_serial_mutex); return ret; } @@ -608,7 +610,7 @@ static int sync_serial_release(struct inode *inode, struct file *file) static unsigned int sync_serial_poll(struct file *file, poll_table *wait) { - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); unsigned int mask = 0; sync_port *port; DEBUGPOLL( static unsigned int prev_mask = 0; ); @@ -651,12 +653,12 @@ static unsigned int sync_serial_poll(struct file *file, poll_table *wait) return mask; } -static int sync_serial_ioctl(struct inode *inode, struct file *file, +static int sync_serial_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int return_val = 0; int dma_w_size = regk_dma_set_w_size1; - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); sync_port *port; reg_sser_rw_tr_cfg tr_cfg; reg_sser_rw_rec_cfg rec_cfg; @@ -962,11 +964,23 @@ static int sync_serial_ioctl(struct inode *inode, struct file *file, return return_val; } +static long sync_serial_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + long ret; + + mutex_lock(&sync_serial_mutex); + ret = sync_serial_ioctl_unlocked(file, cmd, arg); + mutex_unlock(&sync_serial_mutex); + + return ret; +} + /* NOTE: sync_serial_write does not support concurrency */ static ssize_t sync_serial_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); DECLARE_WAITQUEUE(wait, current); struct sync_port *port; int trunc_count; @@ -1089,7 +1103,7 @@ static ssize_t sync_serial_write(struct file *file, const char *buf, static ssize_t sync_serial_read(struct file * file, char * buf, size_t count, loff_t *ppos) { - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); int avail; sync_port *port; unsigned char* start; @@ -1131,7 +1145,8 @@ static ssize_t sync_serial_read(struct file * file, char * buf, if (file->f_flags & O_NONBLOCK) return -EAGAIN; - interruptible_sleep_on(&port->in_wait_q); + wait_event_interruptible(port->in_wait_q, + !(start == end && !port->full)); if (signal_pending(current)) return -EINTR; diff --git a/arch/cris/arch-v32/kernel/cacheflush.S b/arch/cris/arch-v32/kernel/cacheflush.S index 956e8fb82f0..6fc3d95d702 100644 --- a/arch/cris/arch-v32/kernel/cacheflush.S +++ b/arch/cris/arch-v32/kernel/cacheflush.S @@ -1,4 +1,5 @@ .global cris_flush_cache_range + .type cris_flush_cache_range, @function cris_flush_cache_range: move.d 1024, $r12 cmp.d $r11, $r12 @@ -80,8 +81,10 @@ cris_flush_1KB: addq 32, $r10 ba cris_flush_cache_range sub.d $r12, $r11 + .size cris_flush_cache_range, . - cris_flush_cache_range .global cris_flush_cache + .type cris_flush_cache, @function cris_flush_cache: moveq 0, $r10 cris_flush_line: @@ -92,3 +95,5 @@ cris_flush_line: fidxd [$r10] ret nop + .size cris_flush_cache, . - cris_flush_cache + diff --git a/arch/cris/arch-v32/kernel/crisksyms.c b/arch/cris/arch-v32/kernel/crisksyms.c index 64933e2c0f5..bde8d1a10ca 100644 --- a/arch/cris/arch-v32/kernel/crisksyms.c +++ b/arch/cris/arch-v32/kernel/crisksyms.c @@ -24,5 +24,5 @@ EXPORT_SYMBOL(crisv32_io_get_name); EXPORT_SYMBOL(crisv32_io_get); /* Functions masking/unmasking interrupts */ -EXPORT_SYMBOL(mask_irq); -EXPORT_SYMBOL(unmask_irq); +EXPORT_SYMBOL(crisv32_mask_irq); +EXPORT_SYMBOL(crisv32_unmask_irq); diff --git a/arch/cris/arch-v32/kernel/debugport.c b/arch/cris/arch-v32/kernel/debugport.c index 794b364d9f7..610909b003f 100644 --- a/arch/cris/arch-v32/kernel/debugport.c +++ b/arch/cris/arch-v32/kernel/debugport.c @@ -4,7 +4,6 @@ #include <linux/console.h> #include <linux/init.h> -#include <asm/system.h> #include <hwregs/reg_rdwr.h> #include <hwregs/reg_map.h> #include <hwregs/ser_defs.h> diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S index 435b9671bd4..2f19ac6217a 100644 --- a/arch/cris/arch-v32/kernel/entry.S +++ b/arch/cris/arch-v32/kernel/entry.S @@ -31,6 +31,7 @@ .globl system_call .globl ret_from_intr .globl ret_from_fork + .globl ret_from_kernel_thread .globl resume .globl multiple_interrupt .globl nmi_interrupt @@ -76,12 +77,27 @@ _need_resched: ; Called at exit from fork. schedule_tail must be called to drop ; spinlock if CONFIG_PREEMPT. + .type ret_from_fork,@function ret_from_fork: jsr schedule_tail nop ba ret_from_sys_call nop + .size ret_from_fork, . - ret_from_fork + .type ret_from_kernel_thread,@function +ret_from_kernel_thread: + jsr schedule_tail + nop + move.d $r2, $r10 + jsr $r1 + nop + moveq 0, $r9 ; no syscall restarts, TYVM... + ba ret_from_sys_call + nop + .size ret_from_kernel_thread, . - ret_from_kernel_thread + + .type ret_from_intr,@function ret_from_intr: ;; Check for resched if preemptive kernel, or if we're going back to ;; user-mode. This test matches the user_regs(regs) macro. Don't simply @@ -91,9 +107,10 @@ ret_from_intr: move.d [$acr], $r0 btstq 16, $r0 ; User-mode flag. bpl _resume_kernel + .size ret_from_intr, . - ret_from_intr + 2 ; +2 includes the dslot. ; Note that di below is in delay slot. - + .type _resume_userspace,@function _resume_userspace: di ; So need_resched and sigpending don't change. @@ -107,6 +124,7 @@ _resume_userspace: nop ba _Rexit nop + .size _resume_userspace, . - _resume_userspace ;; The system_call is called by a BREAK instruction, which looks pretty ;; much like any other exception. @@ -122,30 +140,28 @@ _resume_userspace: ;; non-used instructions. Only the non-common cases cause the outlined code ;; to run.. + .type system_call,@function system_call: ;; Stack-frame similar to the irq heads, which is reversed in ;; ret_from_sys_call. - subq 12, $sp ; Skip EXS, EDA. - move $erp, [$sp] - subq 4, $sp - move $srp, [$sp] - subq 4, $sp - move $ccs, [$sp] - subq 4, $sp - ei ; Allow IRQs while handling system call - move $spc, [$sp] - subq 4, $sp - move $mof, [$sp] - subq 4, $sp - move $srs, [$sp] - subq 4, $sp - move.d $acr, [$sp] - subq 14*4, $sp ; Make room for R0-R13. - movem $r13, [$sp] ; Push R0-R13 - subq 4, $sp - move.d $r10, [$sp] ; Push orig_r10. -; Set S-bit when kernel debugging to keep hardware breakpoints active. + sub.d 92, $sp ; Skip EXS and EDA. + movem $r13, [$sp] + move.d $sp, $r8 + addq 14*4, $r8 + move.d $acr, $r0 + move $srs, $r1 + move $mof, $r2 + move $spc, $r3 + move $ccs, $r4 + move $srp, $r5 + move $erp, $r6 + subq 4, $sp + movem $r6, [$r8] + ei ; Enable interrupts while processing syscalls. + move.d $r10, [$sp] + + ; Set S-bit when kernel debugging to keep hardware breakpoints active. #ifdef CONFIG_ETRAX_KGDB move $ccs, $r0 or.d (1<<9), $r0 @@ -179,7 +195,7 @@ _syscall_traced: move.d $r0, [$sp] ;; The registers carrying parameters (R10-R13) are intact. The optional - ;; fifth and sixth parameters is in MOF and SRP respectivly. Put them + ;; fifth and sixth parameters is in MOF and SRP respectively. Put them ;; back on the stack. subq 4, $sp move $srp, [$sp] @@ -217,7 +233,9 @@ ret_from_sys_call: and.d _TIF_ALLWORK_MASK, $r1 bne _syscall_exit_work nop + .size system_call, . - system_call + .type _Rexit,@function _Rexit: ;; This epilogue MUST match the prologues in multiple_interrupt, irq.h ;; and ptregs.h. @@ -234,10 +252,12 @@ _Rexit: addq 8, $sp ; Skip EXS, EDA. jump $erp rfe ; Restore condition code stack in delay-slot. + .size _Rexit, . - _Rexit ;; We get here after doing a syscall if extra work might need to be done ;; perform syscall exit tracing if needed. + .type _syscall_exit_work,@function _syscall_exit_work: ;; R0 contains current at this point and irq's are disabled. @@ -253,14 +273,18 @@ _syscall_exit_work: move.d $r1, $r9 ba _resume_userspace nop + .size _syscall_exit_work, . - _syscall_exit_work + .type _work_pending,@function _work_pending: addoq +TI_flags, $r0, $acr move.d [$acr], $r10 btstq TIF_NEED_RESCHED, $r10 ; Need resched? bpl _work_notifysig ; No, must be signal/notify. nop + .size _work_pending, . - _work_pending + .type _work_resched,@function _work_resched: move.d $r9, $r1 ; Preserve R9. jsr schedule @@ -276,7 +300,9 @@ _work_resched: btstq TIF_NEED_RESCHED, $r1 bmi _work_resched ; current->work.need_resched. nop + .size _work_resched, . - _work_resched + .type _work_notifysig,@function _work_notifysig: ;; Deal with pending signals and notify-resume requests. @@ -288,6 +314,7 @@ _work_notifysig: ba _Rexit nop + .size _work_notifysig, . - _work_notifysig ;; We get here as a sidetrack when we've entered a syscall with the ;; trace-bit set. We need to call do_syscall_trace and then continue @@ -329,41 +356,43 @@ _syscall_trace_entry: ;; ;; Returns old current in R10. + .type resume,@function resume: - subq 4, $sp - move $srp, [$sp] ; Keep old/new PC on the stack. + subq 4, $sp ; Make space for srp. + add.d $r12, $r10 ; R10 = current tasks tss. addoq +THREAD_ccs, $r10, $acr + move $srp, [$sp] ; Keep old/new PC on the stack. move $ccs, [$acr] ; Save IRQ enable state. di addoq +THREAD_usp, $r10, $acr + subq 10*4, $sp ; Make room for R9. move $usp, [$acr] ; Save user-mode stackpointer. ;; See copy_thread for the reason why register R9 is saved. - subq 10*4, $sp movem $r9, [$sp] ; Save non-scratch registers and R9. addoq +THREAD_ksp, $r10, $acr + move.d $sp, $r10 ; Return last running task in R10. move.d $sp, [$acr] ; Save kernel SP for old task. - move.d $sp, $r10 ; Return last running task in R10. and.d -8192, $r10 ; Get thread_info from stackpointer. addoq +TI_task, $r10, $acr - move.d [$acr], $r10 ; Get task. add.d $r12, $r11 ; Find the new tasks tss. + move.d [$acr], $r10 ; Get task. addoq +THREAD_ksp, $r11, $acr move.d [$acr], $sp ; Switch to new stackframe. + addoq +THREAD_usp, $r11, $acr movem [$sp+], $r9 ; Restore non-scratch registers and R9. - addoq +THREAD_usp, $r11, $acr move [$acr], $usp ; Restore user-mode stackpointer. addoq +THREAD_ccs, $r11, $acr + move.d [$sp+], $r11 + jump $r11 ; Restore PC. move [$acr], $ccs ; Restore IRQ enable status. - move.d [$sp+], $acr - jump $acr ; Restore PC. - nop + .size resume, . - resume nmi_interrupt: @@ -395,7 +424,7 @@ nmi_interrupt: bpl 1f nop jsr handle_watchdog_bite ; In time.c. - move.d $sp, $r10 ; Pointer to registers + move.d $sp, $r10 ; Pointer to registers 1: btstq REG_BIT(intr_vect, r_nmi, ext), $r0 bpl 1f nop @@ -423,9 +452,10 @@ spurious_interrupt: nop ;; This handles the case when multiple interrupts arrive at the same - ;; time. Jump to the first set interrupt bit in a priotiry fashion. The + ;; time. Jump to the first set interrupt bit in a priority fashion. The ;; hardware will call the unserved interrupts after the handler ;; finishes. + .type multiple_interrupt, @function multiple_interrupt: ;; This prologue MUST match the one in irq.h and the struct in ptregs.h! subq 12, $sp ; Skip EXS, EDA. @@ -458,6 +488,7 @@ multiple_interrupt: move.d $sp, $r10 jump ret_from_intr nop + .size multiple_interrupt, . - multiple_interrupt do_sigtrap: ;; Sigtraps the process that executed the BREAK instruction. Creates a @@ -513,13 +544,6 @@ _ugdb_handle_exception: ba do_sigtrap ; SIGTRAP the offending process. move.d [$sp+], $r0 ; Restore R0 in delay slot. - .global kernel_execve -kernel_execve: - move.d __NR_execve, $r9 - break 13 - ret - nop - .data .section .rodata,"a" @@ -615,7 +639,7 @@ sys_call_table: .long sys_swapon .long sys_reboot .long sys_old_readdir - .long old_mmap /* 90 */ + .long sys_old_mmap /* 90 */ .long sys_munmap .long sys_truncate .long sys_ftruncate @@ -694,7 +718,7 @@ sys_call_table: .long sys_ni_syscall /* sys_vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* Old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl @@ -860,13 +884,30 @@ sys_call_table: .long sys_inotify_init1 .long sys_preadv .long sys_pwritev - - /* - * NOTE!! This doesn't have to be exact - we just have - * to make sure we have _enough_ of the "sys_ni_syscall" - * entries. Don't panic if you notice that this hasn't - * been shrunk every time we add a new system call. - */ + .long sys_setns /* 335 */ + .long sys_name_to_handle_at + .long sys_open_by_handle_at + .long sys_rt_tgsigqueueinfo + .long sys_perf_event_open + .long sys_recvmmsg /* 340 */ + .long sys_accept4 + .long sys_fanotify_init + .long sys_fanotify_mark + .long sys_prlimit64 + .long sys_clock_adjtime /* 345 */ + .long sys_syncfs + .long sys_sendmmsg + .long sys_process_vm_readv + .long sys_process_vm_writev + .long sys_kcmp /* 350 */ + .long sys_finit_module + + /* + * NOTE!! This doesn't have to be exact - we just have + * to make sure we have _enough_ of the "sys_ni_syscall" + * entries. Don't panic if you notice that this hasn't + * been shrunk every time we add a new system call. + */ .rept NR_syscalls - (.-sys_call_table) / 4 .long sys_ni_syscall diff --git a/arch/cris/arch-v32/kernel/fasttimer.c b/arch/cris/arch-v32/kernel/fasttimer.c index 111caa1a2ef..b130c2c5fdd 100644 --- a/arch/cris/arch-v32/kernel/fasttimer.c +++ b/arch/cris/arch-v32/kernel/fasttimer.c @@ -17,13 +17,13 @@ #include <linux/delay.h> #include <asm/irq.h> -#include <asm/system.h> #include <hwregs/reg_map.h> #include <hwregs/reg_rdwr.h> #include <hwregs/timer_defs.h> #include <asm/fasttimer.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> /* * timer0 is running at 100MHz and generating jiffies timer ticks @@ -464,195 +464,161 @@ void schedule_usleep(unsigned long us) } #ifdef CONFIG_PROC_FS -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused); -static struct proc_dir_entry *fasttimer_proc_entry; -#endif /* CONFIG_PROC_FS */ - -#ifdef CONFIG_PROC_FS - /* This value is very much based on testing */ #define BIG_BUF_SIZE (500 + NUM_TIMER_STATS * 300) -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused) +static int proc_fasttimer_show(struct seq_file *m, void *v) { - unsigned long flags; - int i = 0; - int num_to_show; + unsigned long flags; + int i = 0; + int num_to_show; struct fasttime_t tv; - struct fast_timer *t, *nextt; - static char *bigbuf = NULL; - static unsigned long used; - - if (!bigbuf) { - bigbuf = vmalloc(BIG_BUF_SIZE); - if (!bigbuf) { - used = 0; - if (buf) - buf[0] = '\0'; - return 0; - } - } - - if (!offset || !used) { - do_gettimeofday_fast(&tv); - - used = 0; - used += sprintf(bigbuf + used, "Fast timers added: %i\n", - fast_timers_added); - used += sprintf(bigbuf + used, "Fast timers started: %i\n", - fast_timers_started); - used += sprintf(bigbuf + used, "Fast timer interrupts: %i\n", - fast_timer_ints); - used += sprintf(bigbuf + used, "Fast timers expired: %i\n", - fast_timers_expired); - used += sprintf(bigbuf + used, "Fast timers deleted: %i\n", - fast_timers_deleted); - used += sprintf(bigbuf + used, "Fast timer running: %s\n", - fast_timer_running ? "yes" : "no"); - used += sprintf(bigbuf + used, "Current time: %lu.%06lu\n", - (unsigned long)tv.tv_jiff, - (unsigned long)tv.tv_usec); + struct fast_timer *t, *nextt; + + do_gettimeofday_fast(&tv); + + seq_printf(m, "Fast timers added: %i\n", fast_timers_added); + seq_printf(m, "Fast timers started: %i\n", fast_timers_started); + seq_printf(m, "Fast timer interrupts: %i\n", fast_timer_ints); + seq_printf(m, "Fast timers expired: %i\n", fast_timers_expired); + seq_printf(m, "Fast timers deleted: %i\n", fast_timers_deleted); + seq_printf(m, "Fast timer running: %s\n", + fast_timer_running ? "yes" : "no"); + seq_printf(m, "Current time: %lu.%06lu\n", + (unsigned long)tv.tv_jiff, + (unsigned long)tv.tv_usec); #ifdef FAST_TIMER_SANITY_CHECKS - used += sprintf(bigbuf + used, "Sanity failed: %i\n", - sanity_failed); + seq_printf(m, "Sanity failed: %i\n", sanity_failed); #endif - used += sprintf(bigbuf + used, "\n"); + seq_putc(m, '\n'); #ifdef DEBUG_LOG_INCLUDED - { - int end_i = debug_log_cnt; - i = 0; - - if (debug_log_cnt_wrapped) - i = debug_log_cnt; - - while ((i != end_i || (debug_log_cnt_wrapped && !used)) && - used+100 < BIG_BUF_SIZE) - { - used += sprintf(bigbuf + used, debug_log_string[i], - debug_log_value[i]); - i = (i+1) % DEBUG_LOG_MAX; - } - } - used += sprintf(bigbuf + used, "\n"); + { + int end_i = debug_log_cnt; + i = 0; + + if (debug_log_cnt_wrapped) + i = debug_log_cnt; + + while ((i != end_i || debug_log_cnt_wrapped)) { + if (seq_printf(m, debug_log_string[i], debug_log_value[i]) < 0) + return 0; + i = (i+1) % DEBUG_LOG_MAX; + } + } + seq_putc(m, '\n'); #endif - num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers started: %i\n", fast_timers_started); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE) ; i++) - { - int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; + num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: + NUM_TIMER_STATS); + seq_printf(m, "Timers started: %i\n", fast_timers_started); + for (i = 0; i < num_to_show; i++) { + int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; #if 1 //ndef FAST_TIMER_LOG - used += sprintf(bigbuf + used, "div: %i delay: %i" - "\n", - timer_div_settings[cur], - timer_delay_settings[cur] - ); + seq_printf(m, "div: %i delay: %i" + "\n", + timer_div_settings[cur], + timer_delay_settings[cur]); #endif #ifdef FAST_TIMER_LOG - t = &timer_started_log[cur]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); + t = &timer_started_log[cur]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; #endif - } - used += sprintf(bigbuf + used, "\n"); + } + seq_putc(m, '\n'); #ifdef FAST_TIMER_LOG - num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers added: %i\n", fast_timers_added); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); - - num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers expired: %i\n", fast_timers_expired); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); + num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: + NUM_TIMER_STATS); + seq_printf(m, "Timers added: %i\n", fast_timers_added); + for (i = 0; i < num_to_show; i++) { + t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); + + num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: + NUM_TIMER_STATS); + seq_printf(m, "Timers expired: %i\n", fast_timers_expired); + for (i = 0; i < num_to_show; i++){ + t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); #endif - used += sprintf(bigbuf + used, "Active timers:\n"); - local_irq_save(flags); - t = fast_timer_list; - while (t != NULL && (used+100 < BIG_BUF_SIZE)) - { - nextt = t->next; - local_irq_restore(flags); - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" + seq_puts(m, "Active timers:\n"); + local_irq_save(flags); + t = fast_timer_list; + while (t != NULL){ + nextt = t->next; + local_irq_restore(flags); + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" /* " func: 0x%08lX" */ - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data /* , t->function */ - ); - local_irq_save(flags); - if (t->next != nextt) - { - printk("timer removed!\n"); - } - t = nextt; - } - local_irq_restore(flags); - } + ) < 0) + return 0; + local_irq_save(flags); + if (t->next != nextt) + printk("timer removed!\n"); + t = nextt; + } + local_irq_restore(flags); + return 0; +} - if (used - offset < len) - { - len = used - offset; - } +static int proc_fasttimer_open(struct inode *inode, struct file *file) +{ + return single_open_size(file, proc_fasttimer_show, PDE_DATA(inode), BIG_BUF_SIZE); +} - memcpy(buf, bigbuf + offset, len); - *start = buf; - *eof = 1; +static const struct file_operations proc_fasttimer_fops = { + .open = proc_fasttimer_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; - return len; -} #endif /* PROC_FS */ #ifdef FAST_TIMER_TEST @@ -817,12 +783,10 @@ int fast_timer_init(void) printk("fast_timer_init()\n"); #ifdef CONFIG_PROC_FS - fasttimer_proc_entry = create_proc_entry("fasttimer", 0, 0); - if (fasttimer_proc_entry) - fasttimer_proc_entry->read_proc = proc_fasttimer_read; + proc_create("fasttimer", 0, NULL, &proc_fasttimer_fops); #endif /* PROC_FS */ if (request_irq(TIMER0_INTR_VECT, timer_trig_interrupt, - IRQF_SHARED | IRQF_DISABLED, + IRQF_SHARED, "fast timer int", &fast_timer_list)) printk(KERN_ERR "err: fasttimer irq\n"); fast_timer_is_init = 1; diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S index 3db478eb515..51e34165ece 100644 --- a/arch/cris/arch-v32/kernel/head.S +++ b/arch/cris/arch-v32/kernel/head.S @@ -10,7 +10,6 @@ * The macros found in mmu_defs_asm.h uses the ## concatenation operator, so * -traditional must not be used when assembling this file. */ -#include <linux/autoconf.h> #include <arch/memmap.h> #include <hwregs/reg_rdwr.h> #include <hwregs/intr_vect.h> @@ -37,13 +36,6 @@ .global nand_boot .global swapper_pg_dir - ;; Dummy section to make it bootable with current VCS simulator -#ifdef CONFIG_ETRAX_VCS_SIM - .section ".boot", "ax" - ba tstart - nop -#endif - .text tstart: ;; This is the entry point of the kernel. The CPU is currently in @@ -70,17 +62,16 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */ ;; ;; Note; 3 cycles is needed for a bank-select to take effect. Further; ;; bank 1 is the instruction MMU, bank 2 is the data MMU. -#ifndef CONFIG_ETRAX_VCS_SIM + +#ifdef CONFIG_CRIS_MACH_ARTPEC3 move.d REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 8) \ | REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4) \ + | REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 5) \ | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb), $r0 #else - ;; Map the virtual DRAM to the RW eprom area at address 0. - ;; Also map 0xa for the hook calls, move.d REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 8) \ | REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4) \ - | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb) \ - | REG_FIELD(mmu, rw_mm_kbase_hi, base_a, 0xa), $r0 + | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb), $r0 #endif ;; Temporary map of 0x40 -> 0x40 and 0x00 -> 0x00. @@ -89,14 +80,25 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */ ;; Enable certain page protections and setup linear mapping ;; for f,e,c,b,4,0. -#ifndef CONFIG_ETRAX_VCS_SIM + + ;; ARTPEC-3: + ;; c,d used for linear kernel mapping, up to 512 MB + ;; e used for vmalloc + ;; f unused, but page mapped to get page faults + + ;; ETRAX FS: + ;; c used for linear kernel mapping, up to 256 MB + ;; d used for vmalloc + ;; e,f used for memory-mapped NOR flash + +#ifdef CONFIG_CRIS_MACH_ARTPEC3 move.d REG_STATE(mmu, rw_mm_cfg, we, on) \ | REG_STATE(mmu, rw_mm_cfg, acc, on) \ | REG_STATE(mmu, rw_mm_cfg, ex, on) \ - | REG_STATE(mmu, rw_mm_cfg, inv, on) \ - | REG_STATE(mmu, rw_mm_cfg, seg_f, linear) \ - | REG_STATE(mmu, rw_mm_cfg, seg_e, linear) \ - | REG_STATE(mmu, rw_mm_cfg, seg_d, page) \ + | REG_STATE(mmu, rw_mm_cfg, inv, on) \ + | REG_STATE(mmu, rw_mm_cfg, seg_f, page) \ + | REG_STATE(mmu, rw_mm_cfg, seg_e, page) \ + | REG_STATE(mmu, rw_mm_cfg, seg_d, linear) \ | REG_STATE(mmu, rw_mm_cfg, seg_c, linear) \ | REG_STATE(mmu, rw_mm_cfg, seg_b, linear) \ | REG_STATE(mmu, rw_mm_cfg, seg_a, page) \ @@ -120,7 +122,7 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */ | REG_STATE(mmu, rw_mm_cfg, seg_d, page) \ | REG_STATE(mmu, rw_mm_cfg, seg_c, linear) \ | REG_STATE(mmu, rw_mm_cfg, seg_b, linear) \ - | REG_STATE(mmu, rw_mm_cfg, seg_a, linear) \ + | REG_STATE(mmu, rw_mm_cfg, seg_a, page) \ | REG_STATE(mmu, rw_mm_cfg, seg_9, page) \ | REG_STATE(mmu, rw_mm_cfg, seg_8, page) \ | REG_STATE(mmu, rw_mm_cfg, seg_7, page) \ @@ -189,7 +191,6 @@ master_cpu: move.d secondary_cpu_entry, $r1 move.d $r1, [$r0] #endif -#ifndef CONFIG_ETRAX_VCS_SIM ; Check if starting from DRAM (network->RAM boot or unpacked ; compressed kernel), or directly from flash. lapcq ., $r0 @@ -197,7 +198,6 @@ master_cpu: cmp.d 0x10000, $r0 ; Arbitrary, something above this code. blo _inflash0 nop -#endif jump _inram ; Jump to cached RAM. nop @@ -289,7 +289,6 @@ move_cramfs: move.d romfs_length, $r1 move.d $r0, [$r1] -#ifndef CONFIG_ETRAX_VCS_SIM ;; The kernel could have been unpacked to DRAM by the loader, but ;; the cramfs image could still be in the flash immediately ;; following the compressed kernel image. The loader passes the address @@ -298,10 +297,6 @@ move_cramfs: cmp.d 0x0ffffff8, $r9 bhs _no_romfs_in_flash ; R9 points outside the flash area. nop -#else - ba _no_romfs_in_flash - nop -#endif ;; cramfs rootfs might to be in flash. Check for it. move.d [$r9], $r0 ; cramfs_super.magic cmp.d CRAMFS_MAGIC, $r0 @@ -330,7 +325,7 @@ _no_romfs_in_flash: ;; For jffs2, a jhead is prepended which contains with magic and length. ;; The jhead is not part of the jffs2 partition however. #ifndef CONFIG_ETRAXFS_SIM - move.d __vmlinux_end, $r0 + move.d __bss_start, $r0 #else move.d __end, $r0 #endif @@ -359,7 +354,6 @@ _no_romfs_in_flash: move.d romfs_length, $r3 move.d $r2, [$r3] ; store size at romfs_length -#ifndef CONFIG_ETRAX_VCS_SIM add.d $r2, $r0 ; copy from end and downwards add.d $r2, $r1 @@ -373,7 +367,6 @@ _no_romfs_in_flash: subq 1, $r2 bne 1b nop -#endif 4: ;; BSS move done. @@ -418,7 +411,6 @@ no_command_line: move.d etrax_irv, $r1 ; Set the exception base register and pointer. move.d $r0, [$r1] -#ifndef CONFIG_ETRAX_VCS_SIM ;; Clear the BSS region from _bss_start to _end. move.d __bss_start, $r0 move.d _end, $r1 @@ -426,15 +418,6 @@ no_command_line: cmp.d $r1, $r0 blo 1b nop -#endif - -#ifdef CONFIG_ETRAX_VCS_SIM - /* Set the watchdog timeout to something big. Will be removed when */ - /* watchdog can be disabled with command line option */ - move.d 0x7fffffff, $r10 - jsr CPU_WATCHDOG_TIMEOUT - nop -#endif ; Initialize registers to increase determinism move.d __bss_start, $r0 diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c index d70b445f4a8..25437ae2812 100644 --- a/arch/cris/arch-v32/kernel/irq.c +++ b/arch/cris/arch-v32/kernel/irq.c @@ -97,7 +97,11 @@ extern void breakh_BUG(void); /* * Build the IRQ handler stubs using macros from irq.h. */ +#ifdef CONFIG_CRIS_MACH_ARTPEC3 +BUILD_TIMER_IRQ(0x31, 0) +#else BUILD_IRQ(0x31) +#endif BUILD_IRQ(0x32) BUILD_IRQ(0x33) BUILD_IRQ(0x34) @@ -123,7 +127,11 @@ BUILD_IRQ(0x47) BUILD_IRQ(0x48) BUILD_IRQ(0x49) BUILD_IRQ(0x4a) +#ifdef CONFIG_ETRAXFS +BUILD_TIMER_IRQ(0x4b, 0) +#else BUILD_IRQ(0x4b) +#endif BUILD_IRQ(0x4c) BUILD_IRQ(0x4d) BUILD_IRQ(0x4e) @@ -199,25 +207,20 @@ block_irq(int irq, int cpu) unsigned long flags; spin_lock_irqsave(&irq_lock, flags); - if (irq - FIRST_IRQ < 32) + /* Remember, 1 let thru, 0 block. */ + if (irq - FIRST_IRQ < 32) { intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0); - else - intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], - rw_mask, 1); - - /* Remember; 1 let thru, 0 block. */ - if (irq - FIRST_IRQ < 32) intr_mask &= ~(1 << (irq - FIRST_IRQ)); - else - intr_mask &= ~(1 << (irq - FIRST_IRQ - 32)); - - if (irq - FIRST_IRQ < 32) REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0, intr_mask); - else + } else { + intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], + rw_mask, 1); + intr_mask &= ~(1 << (irq - FIRST_IRQ - 32)); REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 1, intr_mask); + } spin_unlock_irqrestore(&irq_lock, flags); } @@ -228,26 +231,20 @@ unblock_irq(int irq, int cpu) unsigned long flags; spin_lock_irqsave(&irq_lock, flags); - if (irq - FIRST_IRQ < 32) + /* Remember, 1 let thru, 0 block. */ + if (irq - FIRST_IRQ < 32) { intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0); - else - intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], - rw_mask, 1); - - /* Remember; 1 let thru, 0 block. */ - if (irq - FIRST_IRQ < 32) intr_mask |= (1 << (irq - FIRST_IRQ)); - else - intr_mask |= (1 << (irq - FIRST_IRQ - 32)); - - if (irq - FIRST_IRQ < 32) REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0, intr_mask); - else + } else { + intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], + rw_mask, 1); + intr_mask |= (1 << (irq - FIRST_IRQ - 32)); REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 1, intr_mask); - + } spin_unlock_irqrestore(&irq_lock, flags); } @@ -269,19 +266,18 @@ static int irq_cpu(int irq) /* Let the interrupt stay if possible */ - if (cpu_isset(cpu, irq_allocations[irq - FIRST_IRQ].mask)) + if (cpumask_test_cpu(cpu, &irq_allocations[irq - FIRST_IRQ].mask)) goto out; /* IRQ must be moved to another CPU. */ - cpu = first_cpu(irq_allocations[irq - FIRST_IRQ].mask); + cpu = cpumask_first(&irq_allocations[irq - FIRST_IRQ].mask); irq_allocations[irq - FIRST_IRQ].cpu = cpu; out: spin_unlock_irqrestore(&irq_lock, flags); return cpu; } -void -mask_irq(int irq) +void crisv32_mask_irq(int irq) { int cpu; @@ -289,61 +285,39 @@ mask_irq(int irq) block_irq(irq, cpu); } -void -unmask_irq(int irq) +void crisv32_unmask_irq(int irq) { unblock_irq(irq, irq_cpu(irq)); } -static unsigned int startup_crisv32_irq(unsigned int irq) +static void enable_crisv32_irq(struct irq_data *data) { - unmask_irq(irq); - return 0; + crisv32_unmask_irq(data->irq); } -static void shutdown_crisv32_irq(unsigned int irq) +static void disable_crisv32_irq(struct irq_data *data) { - mask_irq(irq); + crisv32_mask_irq(data->irq); } -static void enable_crisv32_irq(unsigned int irq) -{ - unmask_irq(irq); -} - -static void disable_crisv32_irq(unsigned int irq) -{ - mask_irq(irq); -} - -static void ack_crisv32_irq(unsigned int irq) -{ -} - -static void end_crisv32_irq(unsigned int irq) -{ -} - -int set_affinity_crisv32_irq(unsigned int irq, const struct cpumask *dest) +static int set_affinity_crisv32_irq(struct irq_data *data, + const struct cpumask *dest, bool force) { unsigned long flags; + spin_lock_irqsave(&irq_lock, flags); - irq_allocations[irq - FIRST_IRQ].mask = *dest; + irq_allocations[data->irq - FIRST_IRQ].mask = *dest; spin_unlock_irqrestore(&irq_lock, flags); - return 0; } static struct irq_chip crisv32_irq_type = { - .typename = "CRISv32", - .startup = startup_crisv32_irq, - .shutdown = shutdown_crisv32_irq, - .enable = enable_crisv32_irq, - .disable = disable_crisv32_irq, - .ack = ack_crisv32_irq, - .end = end_crisv32_irq, - .set_affinity = set_affinity_crisv32_irq + .name = "CRISv32", + .irq_shutdown = disable_crisv32_irq, + .irq_enable = enable_crisv32_irq, + .irq_disable = disable_crisv32_irq, + .irq_set_affinity = set_affinity_crisv32_irq, }; void @@ -357,11 +331,11 @@ extern void do_IRQ(int irq, struct pt_regs * regs); void crisv32_do_IRQ(int irq, int block, struct pt_regs* regs) { - /* Interrupts that may not be moved to another CPU and - * are IRQF_DISABLED may skip blocking. This is currently - * only valid for the timer IRQ and the IPI and is used - * for the timer interrupt to avoid watchdog starvation. - */ + /* Interrupts that may not be moved to another CPU may + * skip blocking. This is currently only valid for the + * timer IRQ and the IPI and is used for the timer + * interrupt to avoid watchdog starvation. + */ if (!block) { do_IRQ(irq, regs); return; @@ -400,7 +374,7 @@ crisv32_do_multiple(struct pt_regs* regs) irq_enter(); for (i = 0; i < NBR_REGS; i++) { - /* Get which IRQs that happend. */ + /* Get which IRQs that happened. */ masked[i] = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], r_masked_vect, i); @@ -430,8 +404,8 @@ crisv32_do_multiple(struct pt_regs* regs) masked[i] &= ~TIMER_MASK; do_IRQ(TIMER0_INTR_VECT, regs); } - } #endif + } #ifdef IGNORE_MASK /* Remove IRQs that can't be handled as multiple. */ @@ -477,15 +451,16 @@ init_IRQ(void) /* Point all IRQ's to bad handlers. */ for (i = FIRST_IRQ, j = 0; j < NR_IRQS; i++, j++) { - irq_desc[j].chip = &crisv32_irq_type; + irq_set_chip_and_handler(j, &crisv32_irq_type, + handle_simple_irq); set_exception_vector(i, interrupt[j]); } - /* Mark Timer and IPI IRQs as CPU local */ + /* Mark Timer and IPI IRQs as CPU local */ irq_allocations[TIMER0_INTR_VECT - FIRST_IRQ].cpu = CPU_FIXED; - irq_desc[TIMER0_INTR_VECT].status |= IRQ_PER_CPU; + irq_set_status_flags(TIMER0_INTR_VECT, IRQ_PER_CPU); irq_allocations[IPI_INTR_VECT - FIRST_IRQ].cpu = CPU_FIXED; - irq_desc[IPI_INTR_VECT].status |= IRQ_PER_CPU; + irq_set_status_flags(IPI_INTR_VECT, IRQ_PER_CPU); set_exception_vector(0x00, nmi_interrupt); set_exception_vector(0x30, multiple_interrupt); diff --git a/arch/cris/arch-v32/kernel/kgdb.c b/arch/cris/arch-v32/kernel/kgdb.c index c981fd66332..b06813aeb12 100644 --- a/arch/cris/arch-v32/kernel/kgdb.c +++ b/arch/cris/arch-v32/kernel/kgdb.c @@ -174,10 +174,10 @@ #include <asm/ptrace.h> #include <asm/irq.h> -#include <arch/hwregs/reg_map.h> -#include <arch/hwregs/reg_rdwr.h> -#include <arch/hwregs/intr_vect_defs.h> -#include <arch/hwregs/ser_defs.h> +#include <hwregs/reg_map.h> +#include <hwregs/reg_rdwr.h> +#include <hwregs/intr_vect_defs.h> +#include <hwregs/ser_defs.h> /* From entry.S. */ extern void gdb_handle_exception(void); @@ -381,23 +381,9 @@ static int read_register(char regno, unsigned int *valptr); /* Serial port, reads one character. ETRAX 100 specific. from debugport.c */ int getDebugChar(void); -#ifdef CONFIG_ETRAX_VCS_SIM -int getDebugChar(void) -{ - return socketread(); -} -#endif - /* Serial port, writes one character. ETRAX 100 specific. from debugport.c */ void putDebugChar(int val); -#ifdef CONFIG_ETRAX_VCS_SIM -void putDebugChar(int val) -{ - socketwrite((char *)&val, 1); -} -#endif - /* Returns the integer equivalent of a hexadecimal character. */ static int hex(char ch); @@ -677,7 +663,7 @@ mem2hex(char *buf, unsigned char *mem, int count) /* Valid mem address. */ for (i = 0; i < count; i++) { ch = *mem++; - buf = pack_hex_byte(buf, ch); + buf = hex_byte_pack(buf, ch); } } /* Terminate properly. */ @@ -695,7 +681,7 @@ mem2hex_nbo(char *buf, unsigned char *mem, int count) mem += count - 1; for (i = 0; i < count; i++) { ch = *mem--; - buf = pack_hex_byte(buf, ch); + buf = hex_byte_pack(buf, ch); } /* Terminate properly. */ @@ -880,7 +866,7 @@ stub_is_stopped(int sigval) /* Send trap type (converted to signal) */ *ptr++ = 'T'; - ptr = pack_hex_byte(ptr, sigval); + ptr = hex_byte_pack(ptr, sigval); if (((reg.exs & 0xff00) >> 8) == 0xc) { @@ -925,7 +911,7 @@ stub_is_stopped(int sigval) if (reg.eda >= bp_d_regs[bp * 2] && reg.eda <= bp_d_regs[bp * 2 + 1]) { - /* EDA withing range for this BP; it must be the one + /* EDA within range for this BP; it must be the one we're looking for. */ stopped_data_address = reg.eda; break; @@ -988,26 +974,26 @@ stub_is_stopped(int sigval) } /* Only send PC, frame and stack pointer. */ read_register(PC, ®_cont); - ptr = pack_hex_byte(PC); + ptr = hex_byte_pack(ptr, PC); *ptr++ = ':'; ptr = mem2hex(ptr, (unsigned char *)®_cont, register_size[PC]); *ptr++ = ';'; read_register(R8, ®_cont); - ptr = pack_hex_byte(R8); + ptr = hex_byte_pack(ptr, R8); *ptr++ = ':'; ptr = mem2hex(ptr, (unsigned char *)®_cont, register_size[R8]); *ptr++ = ';'; read_register(SP, ®_cont); - ptr = pack_hex_byte(SP); + ptr = hex_byte_pack(ptr, SP); *ptr++ = ':'; ptr = mem2hex(ptr, (unsigned char *)®_cont, register_size[SP]); *ptr++ = ';'; /* Send ERP as well; this will save us an entire register fetch in some cases. */ read_register(ERP, ®_cont); - ptr = pack_hex_byte(ERP); + ptr = hex_byte_pack(ptr, ERP); *ptr++ = ':'; ptr = mem2hex(ptr, (unsigned char *)®_cont, register_size[ERP]); *ptr++ = ';'; diff --git a/arch/cris/arch-v32/kernel/kgdb_asm.S b/arch/cris/arch-v32/kernel/kgdb_asm.S index eba93e7e4aa..f3a47605902 100644 --- a/arch/cris/arch-v32/kernel/kgdb_asm.S +++ b/arch/cris/arch-v32/kernel/kgdb_asm.S @@ -5,7 +5,7 @@ * port exceptions for kernel debugging purposes. */ -#include <arch/hwregs/intr_vect.h> +#include <hwregs/intr_vect.h> ;; Exported functions. .globl kgdb_handle_exception diff --git a/arch/cris/arch-v32/kernel/pinmux.c b/arch/cris/arch-v32/kernel/pinmux.c deleted file mode 100644 index 6eb54ea1c97..00000000000 --- a/arch/cris/arch-v32/kernel/pinmux.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * Allocator for I/O pins. All pins are allocated to GPIO at bootup. - * Unassigned pins and GPIO pins can be allocated to a fixed interface - * or the I/O processor instead. - * - * Copyright (c) 2004 Axis Communications AB. - */ - -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/spinlock.h> -#include <arch/hwregs/reg_map.h> -#include <arch/hwregs/reg_rdwr.h> -#include <arch/pinmux.h> -#include <arch/hwregs/pinmux_defs.h> - -#undef DEBUG - -#define PORT_PINS 18 -#define PORTS 4 - -static char pins[PORTS][PORT_PINS]; -static DEFINE_SPINLOCK(pinmux_lock); - -static void crisv32_pinmux_set(int port); - -int -crisv32_pinmux_init(void) -{ - static int initialized = 0; - - if (!initialized) { - reg_pinmux_rw_pa pa = REG_RD(pinmux, regi_pinmux, rw_pa); - initialized = 1; - pa.pa0 = pa.pa1 = pa.pa2 = pa.pa3 = - pa.pa4 = pa.pa5 = pa.pa6 = pa.pa7 = regk_pinmux_yes; - REG_WR(pinmux, regi_pinmux, rw_pa, pa); - crisv32_pinmux_alloc(PORT_B, 0, PORT_PINS - 1, pinmux_gpio); - crisv32_pinmux_alloc(PORT_C, 0, PORT_PINS - 1, pinmux_gpio); - crisv32_pinmux_alloc(PORT_D, 0, PORT_PINS - 1, pinmux_gpio); - crisv32_pinmux_alloc(PORT_E, 0, PORT_PINS - 1, pinmux_gpio); - } - - return 0; -} - -int -crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode) -{ - int i; - unsigned long flags; - - crisv32_pinmux_init(); - - if (port > PORTS) - return -EINVAL; - - spin_lock_irqsave(&pinmux_lock, flags); - - for (i = first_pin; i <= last_pin; i++) - { - if ((pins[port][i] != pinmux_none) && (pins[port][i] != pinmux_gpio) && - (pins[port][i] != mode)) - { - spin_unlock_irqrestore(&pinmux_lock, flags); -#ifdef DEBUG - panic("Pinmux alloc failed!\n"); -#endif - return -EPERM; - } - } - - for (i = first_pin; i <= last_pin; i++) - pins[port][i] = mode; - - crisv32_pinmux_set(port); - - spin_unlock_irqrestore(&pinmux_lock, flags); - - return 0; -} - -int -crisv32_pinmux_alloc_fixed(enum fixed_function function) -{ - int ret = -EINVAL; - char saved[sizeof pins]; - unsigned long flags; - - spin_lock_irqsave(&pinmux_lock, flags); - - /* Save internal data for recovery */ - memcpy(saved, pins, sizeof pins); - - reg_pinmux_rw_hwprot hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); - - switch(function) - { - case pinmux_ser1: - ret = crisv32_pinmux_alloc(PORT_C, 4, 7, pinmux_fixed); - hwprot.ser1 = regk_pinmux_yes; - break; - case pinmux_ser2: - ret = crisv32_pinmux_alloc(PORT_C, 8, 11, pinmux_fixed); - hwprot.ser2 = regk_pinmux_yes; - break; - case pinmux_ser3: - ret = crisv32_pinmux_alloc(PORT_C, 12, 15, pinmux_fixed); - hwprot.ser3 = regk_pinmux_yes; - break; - case pinmux_sser0: - ret = crisv32_pinmux_alloc(PORT_C, 0, 3, pinmux_fixed); - ret |= crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed); - hwprot.sser0 = regk_pinmux_yes; - break; - case pinmux_sser1: - ret = crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed); - hwprot.sser1 = regk_pinmux_yes; - break; - case pinmux_ata0: - ret = crisv32_pinmux_alloc(PORT_D, 5, 7, pinmux_fixed); - ret |= crisv32_pinmux_alloc(PORT_D, 15, 17, pinmux_fixed); - hwprot.ata0 = regk_pinmux_yes; - break; - case pinmux_ata1: - ret = crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed); - ret |= crisv32_pinmux_alloc(PORT_E, 17, 17, pinmux_fixed); - hwprot.ata1 = regk_pinmux_yes; - break; - case pinmux_ata2: - ret = crisv32_pinmux_alloc(PORT_C, 11, 15, pinmux_fixed); - ret |= crisv32_pinmux_alloc(PORT_E, 3, 3, pinmux_fixed); - hwprot.ata2 = regk_pinmux_yes; - break; - case pinmux_ata3: - ret = crisv32_pinmux_alloc(PORT_C, 8, 10, pinmux_fixed); - ret |= crisv32_pinmux_alloc(PORT_C, 0, 2, pinmux_fixed); - hwprot.ata2 = regk_pinmux_yes; - break; - case pinmux_ata: - ret = crisv32_pinmux_alloc(PORT_B, 0, 15, pinmux_fixed); - ret |= crisv32_pinmux_alloc(PORT_D, 8, 15, pinmux_fixed); - hwprot.ata = regk_pinmux_yes; - break; - case pinmux_eth1: - ret = crisv32_pinmux_alloc(PORT_E, 0, 17, pinmux_fixed); - hwprot.eth1 = regk_pinmux_yes; - hwprot.eth1_mgm = regk_pinmux_yes; - break; - case pinmux_timer: - ret = crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed); - hwprot.timer = regk_pinmux_yes; - spin_unlock_irqrestore(&pinmux_lock, flags); - return ret; - } - - if (!ret) - REG_WR(pinmux, regi_pinmux, rw_hwprot, hwprot); - else - memcpy(pins, saved, sizeof pins); - - spin_unlock_irqrestore(&pinmux_lock, flags); - - return ret; -} - -void -crisv32_pinmux_set(int port) -{ - int i; - int gpio_val = 0; - int iop_val = 0; - - for (i = 0; i < PORT_PINS; i++) - { - if (pins[port][i] == pinmux_gpio) - gpio_val |= (1 << i); - else if (pins[port][i] == pinmux_iop) - iop_val |= (1 << i); - } - - REG_WRITE(int, regi_pinmux + REG_RD_ADDR_pinmux_rw_pb_gio + 8*port, gpio_val); - REG_WRITE(int, regi_pinmux + REG_RD_ADDR_pinmux_rw_pb_iop + 8*port, iop_val); - -#ifdef DEBUG - crisv32_pinmux_dump(); -#endif -} - -int -crisv32_pinmux_dealloc(int port, int first_pin, int last_pin) -{ - int i; - unsigned long flags; - - crisv32_pinmux_init(); - - if (port > PORTS) - return -EINVAL; - - spin_lock_irqsave(&pinmux_lock, flags); - - for (i = first_pin; i <= last_pin; i++) - pins[port][i] = pinmux_none; - - crisv32_pinmux_set(port); - spin_unlock_irqrestore(&pinmux_lock, flags); - - return 0; -} - -void -crisv32_pinmux_dump(void) -{ - int i, j; - - crisv32_pinmux_init(); - - for (i = 0; i < PORTS; i++) - { - printk("Port %c\n", 'B'+i); - for (j = 0; j < PORT_PINS; j++) - printk(" Pin %d = %d\n", j, pins[i][j]); - } -} - -__initcall(crisv32_pinmux_init); diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index 120e7f796fe..cebd32e2a8f 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -9,28 +9,23 @@ */ #include <linux/sched.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/fs.h> -#include <linux/slab.h> #include <hwregs/reg_rdwr.h> #include <hwregs/reg_map.h> #include <hwregs/timer_defs.h> #include <hwregs/intr_vect_defs.h> +#include <linux/ptrace.h> extern void stop_watchdog(void); -extern int cris_hlt_counter; - /* We use this if we don't have any better idle routine. */ void default_idle(void) { - local_irq_disable(); - if (!need_resched() && !cris_hlt_counter) { - /* Halt until exception. */ - __asm__ volatile("ei \n\t" - "halt "); - } - local_irq_enable(); + /* Halt until exception. */ + __asm__ volatile("ei \n\t" + "halt "); } /* @@ -94,31 +89,6 @@ unsigned long thread_saved_pc(struct task_struct *t) return task_pt_regs(t)->erp; } -static void -kernel_thread_helper(void* dummy, int (*fn)(void *), void * arg) -{ - fn(arg); - do_exit(-1); /* Should never be called, return bad exit value. */ -} - -/* Create a kernel thread. */ -int -kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -{ - struct pt_regs regs; - - memset(®s, 0, sizeof(regs)); - - /* Don't use r10 since that is set to 0 in copy_thread. */ - regs.r11 = (unsigned long) fn; - regs.r12 = (unsigned long) arg; - regs.erp = (unsigned long) kernel_thread_helper; - regs.ccs = 1 << (I_CCS_BITNR + CCS_SHIFT); - - /* Create the new process. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); -} - /* * Setup the child's kernel stack with a pt_regs and call switch_stack() on it. * It will be unnested during _resume and _ret_from_sys_call when the new thread @@ -129,34 +99,42 @@ kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) */ extern asmlinkage void ret_from_fork(void); +extern asmlinkage void ret_from_kernel_thread(void); int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long unused, - struct task_struct *p, struct pt_regs *regs) + unsigned long arg, struct task_struct *p) { - struct pt_regs *childregs; - struct switch_stack *swstack; + struct pt_regs *childregs = task_pt_regs(p); + struct switch_stack *swstack = ((struct switch_stack *) childregs) - 1; /* * Put the pt_regs structure at the end of the new kernel stack page and * fix it up. Note: the task_struct doubles as the kernel stack for the * task. */ - childregs = task_pt_regs(p); - *childregs = *regs; /* Struct copy of pt_regs. */ - p->set_child_tid = p->clear_child_tid = NULL; + if (unlikely(p->flags & PF_KTHREAD)) { + memset(swstack, 0, + sizeof(struct switch_stack) + sizeof(struct pt_regs)); + swstack->r1 = usp; + swstack->r2 = arg; + childregs->ccs = 1 << (I_CCS_BITNR + CCS_SHIFT); + swstack->return_ip = (unsigned long) ret_from_kernel_thread; + p->thread.ksp = (unsigned long) swstack; + p->thread.usp = 0; + return 0; + } + *childregs = *current_pt_regs(); /* Struct copy of pt_regs. */ childregs->r10 = 0; /* Child returns 0 after a fork/clone. */ /* Set a new TLS ? - * The TLS is in $mof beacuse it is the 5th argument to sys_clone. + * The TLS is in $mof because it is the 5th argument to sys_clone. */ if (p->mm && (clone_flags & CLONE_SETTLS)) { - task_thread_info(p)->tls = regs->mof; + task_thread_info(p)->tls = childregs->mof; } /* Put the switch stack right below the pt_regs. */ - swstack = ((struct switch_stack *) childregs) - 1; /* Parameter to ret_from_sys_call. 0 is don't restart the syscall. */ swstack->r9 = 0; @@ -168,74 +146,12 @@ copy_thread(unsigned long clone_flags, unsigned long usp, swstack->return_ip = (unsigned long) ret_from_fork; /* Fix the user-mode and kernel-mode stackpointer. */ - p->thread.usp = usp; + p->thread.usp = usp ?: rdusp(); p->thread.ksp = (unsigned long) swstack; return 0; } -/* - * Be aware of the "magic" 7th argument in the four system-calls below. - * They need the latest stackframe, which is put as the 7th argument by - * entry.S. The previous arguments are dummies or actually used, but need - * to be defined to reach the 7th argument. - * - * N.B.: Another method to get the stackframe is to use current_regs(). But - * it returns the latest stack-frame stacked when going from _user mode_ and - * some of these (at least sys_clone) are called from kernel-mode sometimes - * (for example during kernel_thread, above) and thus cannot use it. Thus, - * to be sure not to get any surprises, we use the method for the other calls - * as well. - */ -asmlinkage int -sys_fork(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) -{ - return do_fork(SIGCHLD, rdusp(), regs, 0, NULL, NULL); -} - -/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */ -asmlinkage int -sys_clone(unsigned long newusp, unsigned long flags, int *parent_tid, int *child_tid, - unsigned long tls, long srp, struct pt_regs *regs) -{ - if (!newusp) - newusp = rdusp(); - - return do_fork(flags, newusp, regs, 0, parent_tid, child_tid); -} - -/* - * vfork is a system call in i386 because of register-pressure - maybe - * we can remove it and handle it in libc but we put it here until then. - */ -asmlinkage int -sys_vfork(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), regs, 0, NULL, NULL); -} - -/* sys_execve() executes a new program. */ -asmlinkage int -sys_execve(const char *fname, char **argv, char **envp, long r13, long mof, long srp, - struct pt_regs *regs) -{ - int error; - char *filename; - - filename = getname(fname); - error = PTR_ERR(filename); - - if (IS_ERR(filename)) - goto out; - - error = do_execve(filename, argv, envp, regs); - putname(filename); - out: - return error; -} - unsigned long get_wchan(struct task_struct *p) { @@ -248,6 +164,9 @@ get_wchan(struct task_struct *p) void show_regs(struct pt_regs * regs) { unsigned long usp = rdusp(); + + show_regs_print_info(KERN_DEFAULT); + printk("ERP: %08lx SRP: %08lx CCS: %08lx USP: %08lx MOF: %08lx\n", regs->erp, regs->srp, regs->ccs, usp, regs->mof); diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c index dd401473f5b..f085229cf87 100644 --- a/arch/cris/arch-v32/kernel/ptrace.c +++ b/arch/cris/arch-v32/kernel/ptrace.c @@ -15,7 +15,6 @@ #include <asm/uaccess.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> #include <arch/hwregs/supp_reg.h> @@ -78,6 +77,35 @@ int put_reg(struct task_struct *task, unsigned int regno, unsigned long data) return 0; } +void user_enable_single_step(struct task_struct *child) +{ + unsigned long tmp; + + /* + * Set up SPC if not set already (in which case we have no other + * choice but to trust it). + */ + if (!get_reg(child, PT_SPC)) { + /* In case we're stopped in a delay slot. */ + tmp = get_reg(child, PT_ERP) & ~1; + put_reg(child, PT_SPC, tmp); + } + tmp = get_reg(child, PT_CCS) | SBIT_USER; + put_reg(child, PT_CCS, tmp); +} + +void user_disable_single_step(struct task_struct *child) +{ + put_reg(child, PT_SPC, 0); + + if (!get_debugreg(child->pid, PT_BP_CTRL)) { + unsigned long tmp; + /* If no h/w bp configured, disable S bit. */ + tmp = get_reg(child, PT_CCS) & ~SBIT_USER; + put_reg(child, PT_CCS, tmp); + } +} + /* * Called by kernel/ptrace.c when detaching. * @@ -86,11 +114,8 @@ int put_reg(struct task_struct *task, unsigned int regno, unsigned long data) void ptrace_disable(struct task_struct *child) { - unsigned long tmp; - /* Deconfigure SPC and S-bit. */ - tmp = get_reg(child, PT_CCS) & ~SBIT_USER; - put_reg(child, PT_CCS, tmp); + user_disable_single_step(child); put_reg(child, PT_SPC, 0); /* Deconfigure any watchpoints associated with the child. */ @@ -98,9 +123,11 @@ ptrace_disable(struct task_struct *child) } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; + unsigned int regno = addr >> 2; unsigned long __user *datap = (unsigned long __user *)data; switch (request) { @@ -135,10 +162,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) unsigned long tmp; ret = -EIO; - if ((addr & 3) || addr < 0 || addr > PT_MAX << 2) + if ((addr & 3) || regno > PT_MAX) break; - tmp = get_reg(child, addr >> 2); + tmp = get_reg(child, regno); ret = put_user(tmp, datap); break; } @@ -152,100 +179,21 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Write the word at location address in the USER area. */ case PTRACE_POKEUSR: ret = -EIO; - if ((addr & 3) || addr < 0 || addr > PT_MAX << 2) + if ((addr & 3) || regno > PT_MAX) break; - addr >>= 2; - - if (addr == PT_CCS) { + if (regno == PT_CCS) { /* don't allow the tracing process to change stuff like * interrupt enable, kernel/user bit, dma enables etc. */ data &= CCS_MASK; data |= get_reg(child, PT_CCS) & ~CCS_MASK; } - if (put_reg(child, addr, data)) + if (put_reg(child, regno, data)) break; ret = 0; break; - case PTRACE_SYSCALL: - case PTRACE_CONT: - ret = -EIO; - - if (!valid_signal(data)) - break; - - /* Continue means no single-step. */ - put_reg(child, PT_SPC, 0); - - if (!get_debugreg(child->pid, PT_BP_CTRL)) { - unsigned long tmp; - /* If no h/w bp configured, disable S bit. */ - tmp = get_reg(child, PT_CCS) & ~SBIT_USER; - put_reg(child, PT_CCS, tmp); - } - - if (request == PTRACE_SYSCALL) { - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - } - else { - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - } - - child->exit_code = data; - - /* TODO: make sure any pending breakpoint is killed */ - wake_up_process(child); - ret = 0; - - break; - - /* Make the child exit by sending it a sigkill. */ - case PTRACE_KILL: - ret = 0; - - if (child->exit_state == EXIT_ZOMBIE) - break; - - child->exit_code = SIGKILL; - - /* Deconfigure single-step and h/w bp. */ - ptrace_disable(child); - - /* TODO: make sure any pending breakpoint is killed */ - wake_up_process(child); - break; - - /* Set the trap flag. */ - case PTRACE_SINGLESTEP: { - unsigned long tmp; - ret = -EIO; - - /* Set up SPC if not set already (in which case we have - no other choice but to trust it). */ - if (!get_reg(child, PT_SPC)) { - /* In case we're stopped in a delay slot. */ - tmp = get_reg(child, PT_ERP) & ~1; - put_reg(child, PT_SPC, tmp); - } - tmp = get_reg(child, PT_CCS) | SBIT_USER; - put_reg(child, PT_CCS, tmp); - - if (!valid_signal(data)) - break; - - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - /* TODO: set some clever breakpoint mechanism... */ - - child->exit_code = data; - wake_up_process(child); - ret = 0; - break; - - } - /* Get all GP registers from the child. */ case PTRACE_GETREGS: { int i; diff --git a/arch/cris/arch-v32/kernel/setup.c b/arch/cris/arch-v32/kernel/setup.c index 72e9e8331f6..61e10ae6529 100644 --- a/arch/cris/arch-v32/kernel/setup.c +++ b/arch/cris/arch-v32/kernel/setup.c @@ -9,6 +9,9 @@ #include <linux/delay.h> #include <linux/param.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> + #ifdef CONFIG_PROC_FS #define HAS_FPU 0x0001 @@ -43,14 +46,15 @@ static struct cpu_info cpinfo[] = { {"ETRAX 100LX v2", 11, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU}, - +#ifdef CONFIG_ETRAXFS {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU}, - +#else + {"ARTPEC-3", 32, 32, HAS_ETHERNET100 | HAS_MMU}, +#endif {"Unknown", 0, 0, 0} }; -int -show_cpuinfo(struct seq_file *m, void *v) +int show_cpuinfo(struct seq_file *m, void *v) { int i; int cpu = (int)v - 1; @@ -107,9 +111,63 @@ show_cpuinfo(struct seq_file *m, void *v) #endif /* CONFIG_PROC_FS */ -void -show_etrax_copyright(void) +void show_etrax_copyright(void) +{ +#ifdef CONFIG_ETRAXFS + printk(KERN_INFO "Linux/CRISv32 port on ETRAX FS " + "(C) 2003, 2004 Axis Communications AB\n"); +#else + printk(KERN_INFO "Linux/CRISv32 port on ARTPEC-3 " + "(C) 2003-2009 Axis Communications AB\n"); +#endif +} + +static struct i2c_board_info __initdata i2c_info[] = { + {I2C_BOARD_INFO("camblock", 0x43)}, + {I2C_BOARD_INFO("tmp100", 0x48)}, + {I2C_BOARD_INFO("tmp100", 0x4A)}, + {I2C_BOARD_INFO("tmp100", 0x4C)}, + {I2C_BOARD_INFO("tmp100", 0x4D)}, + {I2C_BOARD_INFO("tmp100", 0x4E)}, +#ifdef CONFIG_RTC_DRV_PCF8563 + {I2C_BOARD_INFO("pcf8563", 0x51)}, +#endif +#ifdef CONFIG_ETRAX_VIRTUAL_GPIO + {I2C_BOARD_INFO("vgpio", 0x20)}, + {I2C_BOARD_INFO("vgpio", 0x21)}, +#endif + {I2C_BOARD_INFO("pca9536", 0x41)}, + {I2C_BOARD_INFO("fnp300", 0x40)}, + {I2C_BOARD_INFO("fnp300", 0x42)}, + {I2C_BOARD_INFO("adc101", 0x54)}, +}; + +static struct i2c_board_info __initdata i2c_info2[] = { + {I2C_BOARD_INFO("camblock", 0x43)}, + {I2C_BOARD_INFO("tmp100", 0x48)}, + {I2C_BOARD_INFO("tmp100", 0x4A)}, + {I2C_BOARD_INFO("tmp100", 0x4C)}, + {I2C_BOARD_INFO("tmp100", 0x4D)}, + {I2C_BOARD_INFO("tmp100", 0x4E)}, +#ifdef CONFIG_ETRAX_VIRTUAL_GPIO + {I2C_BOARD_INFO("vgpio", 0x20)}, + {I2C_BOARD_INFO("vgpio", 0x21)}, +#endif + {I2C_BOARD_INFO("pca9536", 0x41)}, + {I2C_BOARD_INFO("fnp300", 0x40)}, + {I2C_BOARD_INFO("fnp300", 0x42)}, + {I2C_BOARD_INFO("adc101", 0x54)}, +}; + +static struct i2c_board_info __initdata i2c_info3[] = { + {I2C_BOARD_INFO("adc101", 0x54)}, +}; + +static int __init etrax_init(void) { - printk(KERN_INFO - "Linux/CRISv32 port on ETRAX FS (C) 2003, 2004 Axis Communications AB\n"); + i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info)); + i2c_register_board_info(1, i2c_info2, ARRAY_SIZE(i2c_info2)); + i2c_register_board_info(2, i2c_info3, ARRAY_SIZE(i2c_info3)); + return 0; } +arch_initcall(etrax_init); diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c index 372d0ca6efb..01d1375c900 100644 --- a/arch/cris/arch-v32/kernel/signal.c +++ b/arch/cris/arch-v32/kernel/signal.c @@ -4,6 +4,7 @@ #include <linux/sched.h> #include <linux/mm.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> @@ -23,9 +24,6 @@ extern unsigned long cris_signal_return_page; -/* Flag to check if a signal is blockable. */ -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - /* * A syscall in CRIS is really a "break 13" instruction, which is 2 * bytes. The registers is manipulated so upon return the instruction @@ -53,67 +51,6 @@ struct rt_signal_frame { void do_signal(int restart, struct pt_regs *regs); void keep_debug_flags(unsigned long oldccs, unsigned long oldspc, struct pt_regs *regs); -/* - * Swap in the new signal mask, and wait for a signal. Define some - * dummy arguments to be able to reach the regs argument. - */ -int -sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof, - long srp, struct pt_regs *regs) -{ - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); - return -ERESTARTNOHAND; -} - -int -sys_sigaction(int signal, const struct old_sigaction *act, - struct old_sigaction *oact) -{ - int retval; - struct k_sigaction newk; - struct k_sigaction oldk; - - if (act) { - old_sigset_t mask; - - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(newk.sa.sa_handler, &act->sa_handler) || - __get_user(newk.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - - __get_user(newk.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&newk.sa.sa_mask, mask); - } - - retval = do_sigaction(signal, act ? &newk : NULL, oact ? &oldk : NULL); - - if (!retval && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(oldk.sa.sa_handler, &oact->sa_handler) || - __put_user(oldk.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - - __put_user(oldk.sa.sa_flags, &oact->sa_flags); - __put_user(oldk.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return retval; -} - -int -sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} static int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) @@ -145,11 +82,9 @@ badframe: return 1; } -/* Define some dummy arguments to be able to reach the regs argument. */ -asmlinkage int -sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) +asmlinkage int sys_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); sigset_t set; struct signal_frame __user *frame; unsigned long oldspc = regs->spc; @@ -174,13 +109,7 @@ sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, sizeof(frame->extramask)))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - - current->blocked = set; - - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc)) goto badframe; @@ -194,11 +123,9 @@ badframe: return 0; } -/* Define some dummy variables to be able to reach the regs argument. */ -asmlinkage int -sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) +asmlinkage int sys_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); sigset_t set; struct rt_signal_frame __user *frame; unsigned long oldspc = regs->spc; @@ -220,18 +147,12 @@ sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - - current->blocked = set; - - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, rdusp()) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; keep_debug_flags(oldccs, oldspc, regs); @@ -362,10 +283,7 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, return 0; give_sigsegv: - if (sig == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; - - force_sig(SIGSEGV, current); + force_sigsegv(sig, current); return -EFAULT; } @@ -396,6 +314,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext)); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); + err |= __save_altstack(&frame->uc.uc_stack, rdusp()); if (err) goto give_sigsegv; @@ -449,19 +368,17 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, return 0; give_sigsegv: - if (sig == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; - - force_sig(SIGSEGV, current); + force_sigsegv(sig, current); return -EFAULT; } /* Invoke a signal handler to, well, handle the signal. */ -static inline int +static inline void handle_signal(int canrestart, unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs * regs) + struct pt_regs * regs) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Check if this got called from a system call. */ @@ -511,20 +428,8 @@ handle_signal(int canrestart, unsigned long sig, else ret = setup_frame(sig, ka, oldset, regs); - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - - return ret; + if (ret == 0) + signal_delivered(sig, info, ka, regs, 0); } /* @@ -544,7 +449,6 @@ do_signal(int canrestart, struct pt_regs *regs) int signr; siginfo_t info; struct k_sigaction ka; - sigset_t *oldset; /* * The common case should go fast, which is why this point is @@ -554,25 +458,11 @@ do_signal(int canrestart, struct pt_regs *regs) if (!user_mode(regs)) return; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(canrestart, signr, &info, &ka, - oldset, regs)) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - + handle_signal(canrestart, signr, &info, &ka, regs); return; } @@ -586,17 +476,14 @@ do_signal(int canrestart, struct pt_regs *regs) } if (regs->r10 == -ERESTART_RESTARTBLOCK){ - regs->r10 = __NR_restart_syscall; + regs->r9 = __NR_restart_syscall; regs->erp -= 2; } } /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } asmlinkage void @@ -609,7 +496,7 @@ ugdb_trap_user(struct thread_info *ti, int sig) user_regs(ti)->spc = 0; } /* FIXME: Filter out false h/w breakpoint hits (i.e. EDA - not withing any configured h/w breakpoint range). Synchronize with + not within any configured h/w breakpoint range). Synchronize with what already exists for kernel debugging. */ if (((user_regs(ti)->exs & 0xff00) >> 8) == BREAK_8_INTR_VECT) { /* Break 8: subtract 2 from ERP unless in a delay slot. */ diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index d2a3ff8c4d3..0698582467c 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -7,7 +7,7 @@ #include <asm/mmu_context.h> #include <hwregs/asm/mmu_defs_asm.h> #include <hwregs/supp_reg.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <linux/err.h> #include <linux/init.h> @@ -26,7 +26,9 @@ #define FLUSH_ALL (void*)0xffffffff /* Vector of locks used for various atomic operations */ -spinlock_t cris_atomic_locks[] = { [0 ... LOCK_COUNT - 1] = SPIN_LOCK_UNLOCKED}; +spinlock_t cris_atomic_locks[] = { + [0 ... LOCK_COUNT - 1] = __SPIN_LOCK_UNLOCKED(cris_atomic_locks) +}; /* CPU masks */ cpumask_t phys_cpu_present_map = CPU_MASK_NONE; @@ -52,8 +54,6 @@ static struct mm_struct* flush_mm; static struct vm_area_struct* flush_vma; static unsigned long flush_addr; -extern int setup_irq(int, struct irqaction *); - /* Mode registers */ static unsigned long irq_regs[NR_CPUS] = { regi_irq, @@ -64,7 +64,7 @@ static irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id); static int send_ipi(int vector, int wait, cpumask_t cpu_mask); static struct irqaction irq_ipi = { .handler = crisv32_ipi_interrupt, - .flags = IRQF_DISABLED, + .flags = 0, .name = "ipi", }; @@ -81,10 +81,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Mark all possible CPUs as present */ for (i = 0; i < max_cpus; i++) - cpu_set(i, phys_cpu_present_map); + cpumask_set_cpu(i, &phys_cpu_present_map); } -void __devinit smp_prepare_boot_cpu(void) +void smp_prepare_boot_cpu(void) { /* PGD pointer has moved after per_cpu initialization so * update the MMU. @@ -98,7 +98,7 @@ void __devinit smp_prepare_boot_cpu(void) SUPP_REG_WR(RW_MM_TLB_PGD, pgd); set_cpu_online(0, true); - cpu_set(0, phys_cpu_present_map); + cpumask_set_cpu(0, &phys_cpu_present_map); set_cpu_possible(0, true); } @@ -108,16 +108,12 @@ void __init smp_cpus_done(unsigned int max_cpus) /* Bring one cpu online.*/ static int __init -smp_boot_one_cpu(int cpuid) +smp_boot_one_cpu(int cpuid, struct task_struct idle) { unsigned timeout; - struct task_struct *idle; - cpumask_t cpu_mask = CPU_MASK_NONE; - - idle = fork_idle(cpuid); - if (IS_ERR(idle)) - panic("SMP: fork failed for CPU:%d", cpuid); + cpumask_t cpu_mask; + cpumask_clear(&cpu_mask); task_thread_info(idle)->cpu = cpuid; /* Information to the CPU that is about to boot */ @@ -125,10 +121,10 @@ smp_boot_one_cpu(int cpuid) cpu_now_booting = cpuid; /* Kick it */ - cpu_set(cpuid, cpu_online_map); - cpu_set(cpuid, cpu_mask); + set_cpu_online(cpuid, true); + cpumask_set_cpu(cpuid, &cpu_mask); send_ipi(IPI_BOOT, 0, cpu_mask); - cpu_clear(cpuid, cpu_online_map); + set_cpu_online(cpuid, false); /* Wait for CPU to come online */ for (timeout = 0; timeout < 10000; timeout++) { @@ -141,9 +137,6 @@ smp_boot_one_cpu(int cpuid) barrier(); } - put_task_struct(idle); - idle = NULL; - printk(KERN_CRIT "SMP: CPU:%d is stuck.\n", cpuid); return -1; } @@ -152,8 +145,6 @@ smp_boot_one_cpu(int cpuid) * specific stuff such as the local timer and the MMU. */ void __init smp_callin(void) { - extern void cpu_idle(void); - int cpu = cpu_now_booting; reg_intr_vect_rw_mask vect_mask = {0}; @@ -170,14 +161,14 @@ void __init smp_callin(void) /* Enable IRQ and idle */ REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask); - unmask_irq(IPI_INTR_VECT); - unmask_irq(TIMER0_INTR_VECT); + crisv32_unmask_irq(IPI_INTR_VECT); + crisv32_unmask_irq(TIMER0_INTR_VECT); preempt_disable(); notify_cpu_starting(cpu); local_irq_enable(); - cpu_set(cpu, cpu_online_map); - cpu_idle(); + set_cpu_online(cpu, true); + cpu_startup_entry(CPUHP_ONLINE); } /* Stop execution on this CPU.*/ @@ -206,16 +197,17 @@ int setup_profiling_timer(unsigned int multiplier) */ unsigned long cache_decay_ticks = 1; -int __cpuinit __cpu_up(unsigned int cpu) +int __cpu_up(unsigned int cpu, struct task_struct *tidle) { - smp_boot_one_cpu(cpu); + smp_boot_one_cpu(cpu, tidle); return cpu_online(cpu) ? 0 : -ENOSYS; } void smp_send_reschedule(int cpu) { - cpumask_t cpu_mask = CPU_MASK_NONE; - cpu_set(cpu, cpu_mask); + cpumask_t cpu_mask; + cpumask_clear(&cpu_mask); + cpumask_set_cpu(cpu, &cpu_mask); send_ipi(IPI_SCHEDULE, 0, cpu_mask); } @@ -232,7 +224,7 @@ void flush_tlb_common(struct mm_struct* mm, struct vm_area_struct* vma, unsigned spin_lock_irqsave(&tlbstate_lock, flags); cpu_mask = (mm == FLUSH_ALL ? cpu_all_mask : *mm_cpumask(mm)); - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); flush_mm = mm; flush_vma = vma; flush_addr = addr; @@ -277,10 +269,10 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) int ret = 0; /* Calculate CPUs to send to. */ - cpus_and(cpu_mask, cpu_mask, cpu_online_map); + cpumask_and(&cpu_mask, &cpu_mask, cpu_online_mask); /* Send the IPI. */ - for_each_cpu_mask(i, cpu_mask) + for_each_cpu(i, &cpu_mask) { ipi.vector |= vector; REG_WR(intr_vect, irq_regs[i], rw_ipi, ipi); @@ -288,7 +280,7 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) /* Wait for IPI to finish on other CPUS */ if (wait) { - for_each_cpu_mask(i, cpu_mask) { + for_each_cpu(i, &cpu_mask) { int j; for (j = 0 ; j < 1000; j++) { ipi = REG_RD(intr_vect, irq_regs[i], rw_ipi); @@ -314,11 +306,12 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) */ int smp_call_function(void (*func)(void *info), void *info, int wait) { - cpumask_t cpu_mask = CPU_MASK_ALL; + cpumask_t cpu_mask; struct call_data_struct data; int ret; - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_setall(&cpu_mask); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); WARN_ON(irqs_disabled()); @@ -342,15 +335,18 @@ irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id) ipi = REG_RD(intr_vect, irq_regs[smp_processor_id()], rw_ipi); + if (ipi.vector & IPI_SCHEDULE) { + scheduler_ipi(); + } if (ipi.vector & IPI_CALL) { - func(info); + func(info); } if (ipi.vector & IPI_FLUSH_TLB) { - if (flush_mm == FLUSH_ALL) - __flush_tlb_all(); - else if (flush_vma == FLUSH_ALL) + if (flush_mm == FLUSH_ALL) + __flush_tlb_all(); + else if (flush_vma == FLUSH_ALL) __flush_tlb_mm(flush_mm); - else + else __flush_tlb_page(flush_vma, flush_addr); } diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c index 65633d0dab8..ee66866538f 100644 --- a/arch/cris/arch-v32/kernel/time.c +++ b/arch/cris/arch-v32/kernel/time.c @@ -1,13 +1,13 @@ /* * linux/arch/cris/arch-v32/kernel/time.c * - * Copyright (C) 2003-2007 Axis Communications AB + * Copyright (C) 2003-2010 Axis Communications AB * */ #include <linux/timex.h> #include <linux/time.h> -#include <linux/jiffies.h> +#include <linux/clocksource.h> #include <linux/interrupt.h> #include <linux/swap.h> #include <linux/sched.h> @@ -18,7 +18,6 @@ #include <asm/signal.h> #include <asm/io.h> #include <asm/delay.h> -#include <asm/rtc.h> #include <asm/irq.h> #include <asm/irq_regs.h> @@ -36,6 +35,28 @@ /* Number of 763 counts before watchdog bites */ #define ETRAX_WD_CNT ((2*ETRAX_WD_HZ)/HZ + 1) +/* Register the continuos readonly timer available in FS and ARTPEC-3. */ +static cycle_t read_cont_rotime(struct clocksource *cs) +{ + return (u32)REG_RD(timer, regi_timer0, r_time); +} + +static struct clocksource cont_rotime = { + .name = "crisv32_rotime", + .rating = 300, + .read = read_cont_rotime, + .mask = CLOCKSOURCE_MASK(32), + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + +static int __init etrax_init_cont_rotime(void) +{ + clocksource_register_khz(&cont_rotime, 100000); + return 0; +} +arch_initcall(etrax_init_cont_rotime); + + unsigned long timer_regs[NR_CPUS] = { regi_timer0, @@ -44,10 +65,7 @@ unsigned long timer_regs[NR_CPUS] = #endif }; -extern void update_xtime_from_cmos(void); extern int set_rtc_mmss(unsigned long nowtime); -extern int setup_irq(int, struct irqaction *); -extern int have_rtc; #ifdef CONFIG_CPU_FREQ static int @@ -69,43 +87,6 @@ unsigned long get_ns_in_jiffie(void) return ns; } -unsigned long do_slow_gettimeoffset(void) -{ - unsigned long count; - unsigned long usec_count = 0; - - /* For the first call after boot */ - static unsigned long count_p = TIMER0_DIV; - static unsigned long jiffies_p = 0; - - /* Cache volatile jiffies temporarily; we have IRQs turned off. */ - unsigned long jiffies_t; - - /* The timer interrupt comes from Etrax timer 0. In order to get - * better precision, we check the current value. It might have - * underflowed already though. */ - count = REG_RD(timer, regi_timer0, r_tmr0_data); - jiffies_t = jiffies; - - /* Avoiding timer inconsistencies (they are rare, but they happen) - * There is one problem that must be avoided here: - * 1. the timer counter underflows - */ - if( jiffies_t == jiffies_p ) { - if( count > count_p ) { - /* Timer wrapped, use new count and prescale. - * Increase the time corresponding to one jiffy. - */ - usec_count = 1000000/HZ; - } - } else - jiffies_p = jiffies_t; - count_p = count; - /* Convert timer value to usec */ - /* 100 MHz timer, divide by 100 to get usec */ - usec_count += (TIMER0_DIV - count) / 100; - return usec_count; -} /* From timer MDS describing the hardware watchdog: * 4.3.1 Watchdog Operation @@ -128,8 +109,7 @@ static short int watchdog_key = 42; /* arbitrary 7 bit number */ * is used though, so set this really low. */ #define WATCHDOG_MIN_FREE_PAGES 8 -void -reset_watchdog(void) +void reset_watchdog(void) { #if defined(CONFIG_ETRAX_WATCHDOG) reg_timer_rw_wd_ctrl wd_ctrl = { 0 }; @@ -149,8 +129,7 @@ reset_watchdog(void) /* stop the watchdog - we still need the correct key */ -void -stop_watchdog(void) +void stop_watchdog(void) { #if defined(CONFIG_ETRAX_WATCHDOG) reg_timer_rw_wd_ctrl wd_ctrl = { 0 }; @@ -164,8 +143,7 @@ stop_watchdog(void) extern void show_registers(struct pt_regs *regs); -void -handle_watchdog_bite(struct pt_regs* regs) +void handle_watchdog_bite(struct pt_regs *regs) { #if defined(CONFIG_ETRAX_WATCHDOG) extern int cause_of_death; @@ -199,17 +177,13 @@ handle_watchdog_bite(struct pt_regs* regs) #endif } -/* Last time the cmos clock got updated. */ -static long last_rtc_update = 0; - /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick. + * as well as call the "xtime_update()" routine every clocktick. */ extern void cris_do_profile(struct pt_regs *regs); -static inline irqreturn_t -timer_interrupt(int irq, void *dev_id) +static inline irqreturn_t timer_interrupt(int irq, void *dev_id) { struct pt_regs *regs = get_irq_regs(); int cpu = smp_processor_id(); @@ -238,40 +212,18 @@ timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; /* Call the real timer interrupt handler */ - do_timer(1); - - /* - * If we have an externally synchronized Linux clock, then update - * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be - * called as close as possible to 500 ms before the new second starts. - * - * The division here is not time critical since it will run once in - * 11 minutes - */ - if ((time_status & STA_UNSYNC) == 0 && - xtime.tv_sec > last_rtc_update + 660 && - (xtime.tv_nsec / 1000) >= 500000 - (tick_nsec / 1000) / 2 && - (xtime.tv_nsec / 1000) <= 500000 + (tick_nsec / 1000) / 2) { - if (set_rtc_mmss(xtime.tv_sec) == 0) - last_rtc_update = xtime.tv_sec; - else - /* Do it again in 60 s */ - last_rtc_update = xtime.tv_sec - 600; - } + xtime_update(1); return IRQ_HANDLED; } -/* Timer is IRQF_SHARED so drivers can add stuff to the timer irq chain. - * It needs to be IRQF_DISABLED to make the jiffies update work properly. - */ +/* Timer is IRQF_SHARED so drivers can add stuff to the timer irq chain. */ static struct irqaction irq_timer = { .handler = timer_interrupt, - .flags = IRQF_SHARED | IRQF_DISABLED, + .flags = IRQF_SHARED, .name = "timer" }; -void __init -cris_timer_init(void) +void __init cris_timer_init(void) { int cpu = smp_processor_id(); reg_timer_rw_tmr0_ctrl tmr0_ctrl = { 0 }; @@ -297,8 +249,7 @@ cris_timer_init(void) REG_WR(timer, timer_regs[cpu], rw_intr_mask, timer_intr_mask); } -void __init -time_init(void) +void __init time_init(void) { reg_intr_vect_rw_mask intr_mask; @@ -310,24 +261,6 @@ time_init(void) */ loops_per_usec = 50; - if(RTC_INIT() < 0) { - /* No RTC, start at 1980 */ - xtime.tv_sec = 0; - xtime.tv_nsec = 0; - have_rtc = 0; - } else { - /* Get the current time */ - have_rtc = 1; - update_xtime_from_cmos(); - } - - /* - * Initialize wall_to_monotonic such that adding it to - * xtime will yield zero, the tv_nsec field must be normalized - * (i.e., 0 <= nsec < NSEC_PER_SEC). - */ - set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); - /* Start CPU local timer. */ cris_timer_init(); diff --git a/arch/cris/arch-v32/kernel/traps.c b/arch/cris/arch-v32/kernel/traps.c index 9003e382cad..8bbe09c9313 100644 --- a/arch/cris/arch-v32/kernel/traps.c +++ b/arch/cris/arch-v32/kernel/traps.c @@ -9,8 +9,7 @@ #include <hwregs/intr_vect_defs.h> #include <asm/irq.h> -void -show_registers(struct pt_regs *regs) +void show_registers(struct pt_regs *regs) { /* * It's possible to use either the USP register or current->thread.usp. @@ -101,8 +100,7 @@ bad_value: } } -void -arch_enable_nmi(void) +void arch_enable_nmi(void) { unsigned long flags; diff --git a/arch/cris/arch-v32/lib/Makefile b/arch/cris/arch-v32/lib/Makefile index eb4aad1f115..dd296b9db03 100644 --- a/arch/cris/arch-v32/lib/Makefile +++ b/arch/cris/arch-v32/lib/Makefile @@ -3,5 +3,5 @@ # lib-y = checksum.o checksumcopy.o string.o usercopy.o memset.o \ - csumcpfruser.o spinlock.o delay.o + csumcpfruser.o spinlock.o delay.o strcmp.o diff --git a/arch/cris/arch-v32/lib/checksum.S b/arch/cris/arch-v32/lib/checksum.S index 87f3fd71ab1..4a72a94a49a 100644 --- a/arch/cris/arch-v32/lib/checksum.S +++ b/arch/cris/arch-v32/lib/checksum.S @@ -6,6 +6,7 @@ */ .globl csum_partial + .type csum_partial,@function csum_partial: ;; r10 - src @@ -83,3 +84,5 @@ _do_byte: addu.b [$r10],$r12 ret move.d $r12,$r10 + + .size csum_partial, .-csum_partial diff --git a/arch/cris/arch-v32/lib/checksumcopy.S b/arch/cris/arch-v32/lib/checksumcopy.S index 21aabe91489..54e209f18b0 100644 --- a/arch/cris/arch-v32/lib/checksumcopy.S +++ b/arch/cris/arch-v32/lib/checksumcopy.S @@ -9,6 +9,7 @@ */ .globl csum_partial_copy_nocheck + .type csum_partial_copy_nocheck,@function csum_partial_copy_nocheck: ;; r10 - src @@ -89,3 +90,5 @@ _do_byte: move.b $r9,[$r11] ret move.d $r13,$r10 + + .size csum_partial_copy_nocheck, . - csum_partial_copy_nocheck diff --git a/arch/cris/arch-v32/lib/nand_init.S b/arch/cris/arch-v32/lib/nand_init.S deleted file mode 100644 index e705f5cce96..00000000000 --- a/arch/cris/arch-v32/lib/nand_init.S +++ /dev/null @@ -1,178 +0,0 @@ -##============================================================================= -## -## nand_init.S -## -## The bootrom copies data from the NAND flash to the internal RAM but -## due to a bug/feature we can only trust the 256 first bytes. So this -## code copies more data from NAND flash to internal RAM. Obvioulsy this -## code must fit in the first 256 bytes so alter with care. -## -## Some notes about the bug/feature for future reference: -## The bootrom copies the first 127 KB from NAND flash to internal -## memory. The problem is that it does a bytewise copy. NAND flashes -## does autoincrement on the address so for a 16-bite device each -## read/write increases the address by two. So the copy loop in the -## bootrom will discard every second byte. This is solved by inserting -## zeroes in every second byte in the first erase block. -## -## The bootrom also incorrectly assumes that it can read the flash -## linear with only one read command but the flash will actually -## switch between normal area and spare area if you do that so we -## can't trust more than the first 256 bytes. -## -##============================================================================= - -#include <arch/hwregs/asm/reg_map_asm.h> -#include <arch/hwregs/asm/gio_defs_asm.h> -#include <arch/hwregs/asm/pinmux_defs_asm.h> -#include <arch/hwregs/asm/bif_core_defs_asm.h> -#include <arch/hwregs/asm/config_defs_asm.h> - -;; There are 8-bit NAND flashes and 16-bit NAND flashes. -;; We need to treat them slightly different. -#if CONFIG_ETRAX_FLASH_BUSWIDTH==2 -#define PAGE_SIZE 256 -#else -#error 2 -#define PAGE_SIZE 512 -#endif -#define ERASE_BLOCK 16384 - -;; GPIO pins connected to NAND flash -#define CE 4 -#define CLE 5 -#define ALE 6 -#define BY 7 - -;; Address space for NAND flash -#define NAND_RD_ADDR 0x90000000 -#define NAND_WR_ADDR 0x94000000 - -#define READ_CMD 0x00 - -;; Readability macros -#define CSP_MASK \ - REG_MASK(bif_core, rw_grp3_cfg, gated_csp0) | \ - REG_MASK(bif_core, rw_grp3_cfg, gated_csp1) -#define CSP_VAL \ - REG_STATE(bif_core, rw_grp3_cfg, gated_csp0, rd) | \ - REG_STATE(bif_core, rw_grp3_cfg, gated_csp1, wr) - -;;---------------------------------------------------------------------------- -;; Macros to set/clear GPIO bits - -.macro SET x - or.b (1<<\x),$r9 - move.d $r9, [$r2] -.endm - -.macro CLR x - and.b ~(1<<\x),$r9 - move.d $r9, [$r2] -.endm - -;;---------------------------------------------------------------------------- - -nand_boot: - ;; Check if nand boot was selected - move.d REG_ADDR(config, regi_config, r_bootsel), $r0 - move.d [$r0], $r0 - and.d REG_MASK(config, r_bootsel, boot_mode), $r0 - cmp.d REG_STATE(config, r_bootsel, boot_mode, nand), $r0 - bne normal_boot ; No NAND boot - nop - -copy_nand_to_ram: - ;; copy_nand_to_ram - ;; Arguments - ;; r10 - destination - ;; r11 - source offset - ;; r12 - size - ;; r13 - Address to jump to after completion - ;; Note : r10-r12 are clobbered on return - ;; Registers used: - ;; r0 - NAND_RD_ADDR - ;; r1 - NAND_WR_ADDR - ;; r2 - reg_gio_rw_pa_dout - ;; r3 - reg_gio_r_pa_din - ;; r4 - tmp - ;; r5 - byte counter within a page - ;; r6 - reg_pinmux_rw_pa - ;; r7 - reg_gio_rw_pa_oe - ;; r8 - reg_bif_core_rw_grp3_cfg - ;; r9 - reg_gio_rw_pa_dout shadow - move.d 0x90000000, $r0 - move.d 0x94000000, $r1 - move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r2 - move.d REG_ADDR(gio, regi_gio, r_pa_din), $r3 - move.d REG_ADDR(pinmux, regi_pinmux, rw_pa), $r6 - move.d REG_ADDR(gio, regi_gio, rw_pa_oe), $r7 - move.d REG_ADDR(bif_core, regi_bif_core, rw_grp3_cfg), $r8 - -#if CONFIG_ETRAX_FLASH_BUSWIDTH==2 - lsrq 1, $r11 -#endif - ;; Set up GPIO - move.d [$r2], $r9 - move.d [$r7], $r4 - or.b (1<<ALE) | (1 << CLE) | (1<<CE), $r4 - move.d $r4, [$r7] - - ;; Set up bif - move.d [$r8], $r4 - and.d CSP_MASK, $r4 - or.d CSP_VAL, $r4 - move.d $r4, [$r8] - -1: ;; Copy one page - CLR CE - SET CLE - moveq READ_CMD, $r4 - move.b $r4, [$r1] - moveq 20, $r4 -2: bne 2b - subq 1, $r4 - CLR CLE - SET ALE - clear.w [$r1] ; Column address = 0 - move.d $r11, $r4 - lsrq 8, $r4 - move.b $r4, [$r1] ; Row address - lsrq 8, $r4 - move.b $r4, [$r1] ; Row adddress - moveq 20, $r4 -2: bne 2b - subq 1, $r4 - CLR ALE -2: move.d [$r3], $r4 - and.d 1 << BY, $r4 - beq 2b - movu.w PAGE_SIZE, $r5 -2: ; Copy one byte/word -#if CONFIG_ETRAX_FLASH_BUSWIDTH==2 - move.w [$r0], $r4 -#else - move.b [$r0], $r4 -#endif - subq 1, $r5 - bne 2b -#if CONFIG_ETRAX_FLASH_BUSWIDTH==2 - move.w $r4, [$r10+] - subu.w PAGE_SIZE*2, $r12 -#else - move.b $r4, [$r10+] - subu.w PAGE_SIZE, $r12 -#endif - bpl 1b - addu.w PAGE_SIZE, $r11 - - ;; End of copy - jump $r13 - nop - - ;; This will warn if the code above is too large. If you consider - ;; to remove this you don't understand the bug/feature. - .org 256 - .org ERASE_BLOCK - -normal_boot: diff --git a/arch/cris/arch-v32/lib/spinlock.S b/arch/cris/arch-v32/lib/spinlock.S index 79087ef59a1..fe610b9d775 100644 --- a/arch/cris/arch-v32/lib/spinlock.S +++ b/arch/cris/arch-v32/lib/spinlock.S @@ -6,7 +6,9 @@ .global cris_spin_lock + .type cris_spin_lock,@function .global cris_spin_trylock + .type cris_spin_trylock,@function .text @@ -22,6 +24,8 @@ cris_spin_lock: ret nop + .size cris_spin_lock, . - cris_spin_lock + cris_spin_trylock: clearf p 1: move.b [$r10], $r11 @@ -31,3 +35,6 @@ cris_spin_trylock: clearf p ret movu.b $r11,$r10 + + .size cris_spin_trylock, . - cris_spin_trylock + diff --git a/arch/cris/arch-v32/lib/strcmp.S b/arch/cris/arch-v32/lib/strcmp.S new file mode 100644 index 00000000000..8f7a1ee6259 --- /dev/null +++ b/arch/cris/arch-v32/lib/strcmp.S @@ -0,0 +1,21 @@ +; strcmp.S -- CRISv32 version. +; Copyright (C) 2008 AXIS Communications AB +; Written by Edgar E. Iglesias +; +; This source code is licensed under the GNU General Public License, +; Version 2. See the file COPYING for more details. + + .global strcmp + .type strcmp,@function +strcmp: +1: + move.b [$r10+], $r12 + seq $r13 + sub.b [$r11+], $r12 + or.b $r12, $r13 + beq 1b + nop + + ret + movs.b $r12, $r10 + .size strcmp, . - strcmp diff --git a/arch/cris/arch-v32/mach-a3/Kconfig b/arch/cris/arch-v32/mach-a3/Kconfig index a4df06d5997..87547271a59 100644 --- a/arch/cris/arch-v32/mach-a3/Kconfig +++ b/arch/cris/arch-v32/mach-a3/Kconfig @@ -15,10 +15,6 @@ config ETRAX_SERIAL_PORTS int default 5 -config ETRAX_DDR - bool - default y - config ETRAX_DDR2_MRS hex "DDR2 MRS" default "0" @@ -33,6 +29,10 @@ config ETRAX_DDR2_CONFIG hex "DDR2 config" default "0" +config ETRAX_DDR2_LATENCY + hex "DDR2 latency" + default "0" + config ETRAX_PIO_CE0_CFG hex "PIO CE0 configuration" default "0" diff --git a/arch/cris/arch-v32/mach-a3/Makefile b/arch/cris/arch-v32/mach-a3/Makefile index 41fa6a6893a..18a227196a4 100644 --- a/arch/cris/arch-v32/mach-a3/Makefile +++ b/arch/cris/arch-v32/mach-a3/Makefile @@ -1,11 +1,8 @@ -# $Id: Makefile,v 1.3 2007/03/13 11:57:46 starvik Exp $ # # Makefile for the linux kernel. # obj-y := dma.o pinmux.o io.o arbiter.o -obj-$(CONFIG_ETRAX_VCS_SIM) += vcs_hook.o -obj-$(CONFIG_CPU_FREQ) += cpufreq.o clean: diff --git a/arch/cris/arch-v32/mach-a3/arbiter.c b/arch/cris/arch-v32/mach-a3/arbiter.c index 8b924db71c9..ab5c421a4de 100644 --- a/arch/cris/arch-v32/mach-a3/arbiter.c +++ b/arch/cris/arch-v32/mach-a3/arbiter.c @@ -256,11 +256,11 @@ static void crisv32_arbiter_init(void) crisv32_arbiter_config(1, EXT_REGION, 0); if (request_irq(MEMARB_FOO_INTR_VECT, crisv32_foo_arbiter_irq, - IRQF_DISABLED, "arbiter", NULL)) + 0, "arbiter", NULL)) printk(KERN_ERR "Couldn't allocate arbiter IRQ\n"); if (request_irq(MEMARB_BAR_INTR_VECT, crisv32_bar_arbiter_irq, - IRQF_DISABLED, "arbiter", NULL)) + 0, "arbiter", NULL)) printk(KERN_ERR "Couldn't allocate arbiter IRQ\n"); #ifndef CONFIG_ETRAX_KGDB @@ -568,7 +568,7 @@ crisv32_foo_arbiter_irq(int irq, void *dev_id) REG_WR(marb_foo_bp, watch->instance, rw_ack, ack); REG_WR(marb_foo, regi_marb_foo, rw_ack_intr, ack_intr); - printk(KERN_DEBUG "IRQ occured at %X\n", (unsigned)get_irq_regs()); + printk(KERN_DEBUG "IRQ occurred at %X\n", (unsigned)get_irq_regs()); if (watch->cb) watch->cb(); @@ -624,7 +624,7 @@ crisv32_bar_arbiter_irq(int irq, void *dev_id) REG_WR(marb_bar_bp, watch->instance, rw_ack, ack); REG_WR(marb_bar, regi_marb_bar, rw_ack_intr, ack_intr); - printk(KERN_DEBUG "IRQ occured at %X\n", (unsigned)get_irq_regs()->erp); + printk(KERN_DEBUG "IRQ occurred at %X\n", (unsigned)get_irq_regs()->erp); if (watch->cb) watch->cb(); diff --git a/arch/cris/arch-v32/mach-a3/cpufreq.c b/arch/cris/arch-v32/mach-a3/cpufreq.c deleted file mode 100644 index ee391ecb5bc..00000000000 --- a/arch/cris/arch-v32/mach-a3/cpufreq.c +++ /dev/null @@ -1,152 +0,0 @@ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/cpufreq.h> -#include <hwregs/reg_map.h> -#include <hwregs/reg_rdwr.h> -#include <hwregs/clkgen_defs.h> -#include <hwregs/ddr2_defs.h> - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data); - -static struct notifier_block cris_sdram_freq_notifier_block = { - .notifier_call = cris_sdram_freq_notifier -}; - -static struct cpufreq_frequency_table cris_freq_table[] = { - {0x01, 6000}, - {0x02, 200000}, - {0, CPUFREQ_TABLE_END}, -}; - -static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu) -{ - reg_clkgen_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl); - return clk_ctrl.pll ? 200000 : 6000; -} - -static void cris_freq_set_cpu_state(unsigned int state) -{ - int i = 0; - struct cpufreq_freqs freqs; - reg_clkgen_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl); - -#ifdef CONFIG_SMP - for_each_present_cpu(i) -#endif - { - freqs.old = cris_freq_get_cpu_frequency(i); - freqs.new = cris_freq_table[state].frequency; - freqs.cpu = i; - } - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - local_irq_disable(); - - /* Even though we may be SMP they will share the same clock - * so all settings are made on CPU0. */ - if (cris_freq_table[state].frequency == 200000) - clk_ctrl.pll = 1; - else - clk_ctrl.pll = 0; - REG_WR(clkgen, regi_clkgen, rw_clk_ctrl, clk_ctrl); - - local_irq_enable(); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); -}; - -static int cris_freq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, &cris_freq_table[0]); -} - -static int cris_freq_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - unsigned int newstate = 0; - - if (cpufreq_frequency_table_target(policy, cris_freq_table, - target_freq, relation, &newstate)) - return -EINVAL; - - cris_freq_set_cpu_state(newstate); - - return 0; -} - -static int cris_freq_cpu_init(struct cpufreq_policy *policy) -{ - int result; - - /* cpuinfo and default policy values */ - policy->cpuinfo.transition_latency = 1000000; /* 1ms */ - policy->cur = cris_freq_get_cpu_frequency(0); - - result = cpufreq_frequency_table_cpuinfo(policy, cris_freq_table); - if (result) - return (result); - - cpufreq_frequency_table_get_attr(cris_freq_table, policy->cpu); - - return 0; -} - - -static int cris_freq_cpu_exit(struct cpufreq_policy *policy) -{ - cpufreq_frequency_table_put_attr(policy->cpu); - return 0; -} - - -static struct freq_attr *cris_freq_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static struct cpufreq_driver cris_freq_driver = { - .get = cris_freq_get_cpu_frequency, - .verify = cris_freq_verify, - .target = cris_freq_target, - .init = cris_freq_cpu_init, - .exit = cris_freq_cpu_exit, - .name = "cris_freq", - .owner = THIS_MODULE, - .attr = cris_freq_attr, -}; - -static int __init cris_freq_init(void) -{ - int ret; - ret = cpufreq_register_driver(&cris_freq_driver); - cpufreq_register_notifier(&cris_sdram_freq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); - return ret; -} - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data) -{ - int i; - struct cpufreq_freqs *freqs = data; - if (val == CPUFREQ_PRECHANGE) { - reg_ddr2_rw_cfg cfg = - REG_RD(ddr2, regi_ddr2_ctrl, rw_cfg); - cfg.ref_interval = (freqs->new == 200000 ? 1560 : 46); - - if (freqs->new == 200000) - for (i = 0; i < 50000; i++); - REG_WR(bif_core, regi_bif_core, rw_sdram_timing, timing); - } - return 0; -} - - -module_init(cris_freq_init); diff --git a/arch/cris/arch-v32/mach-a3/dma.c b/arch/cris/arch-v32/mach-a3/dma.c index f35e4f65f4e..47c64bf40ea 100644 --- a/arch/cris/arch-v32/mach-a3/dma.c +++ b/arch/cris/arch-v32/mach-a3/dma.c @@ -9,7 +9,6 @@ #include <hwregs/clkgen_defs.h> #include <hwregs/strmux_defs.h> #include <linux/errno.h> -#include <asm/system.h> #include <arbiter.h> static char used_dma_channels[MAX_DMA_CHANNELS]; diff --git a/arch/cris/arch-v32/mach-a3/dram_init.S b/arch/cris/arch-v32/mach-a3/dram_init.S index 94d6b41cb29..ec8648be32d 100644 --- a/arch/cris/arch-v32/mach-a3/dram_init.S +++ b/arch/cris/arch-v32/mach-a3/dram_init.S @@ -24,11 +24,21 @@ ;; Refer to ddr2 MDS for initialization sequence + ; 2. Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + ; Start clock move.d REG_ADDR(ddr2, regi_ddr2_ctrl, rw_phy_cfg), $r0 move.d REG_STATE(ddr2, rw_phy_cfg, en, yes), $r1 move.d $r1, [$r0] + ; 2. Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + ; Reset phy and start calibration move.d REG_ADDR(ddr2, regi_ddr2_ctrl, rw_phy_ctrl), $r0 move.d REG_STATE(ddr2, rw_phy_ctrl, rst, yes) | \ @@ -52,6 +62,10 @@ do_cmd: lslq 16, $r1 or.d $r3, $r1 move.d $r1, [$r0] + ; 2. Wait 200us + move.d 10000, $r4 +1: bne 1b + subq 1, $r4 cmp.d sdram_commands_end, $r2 blo command_loop nop @@ -63,7 +77,7 @@ do_cmd: ; Set latency move.d REG_ADDR(ddr2, regi_ddr2_ctrl, rw_latency), $r0 - move.d 0x13, $r1 + move.d CONFIG_ETRAX_DDR2_LATENCY, $r1 move.d $r1, [$r0] ; Set configuration diff --git a/arch/cris/arch-v32/mach-a3/hw_settings.S b/arch/cris/arch-v32/mach-a3/hw_settings.S index 258a6329cd4..0145725a1ce 100644 --- a/arch/cris/arch-v32/mach-a3/hw_settings.S +++ b/arch/cris/arch-v32/mach-a3/hw_settings.S @@ -31,6 +31,8 @@ ; Register values .dword REG_ADDR(ddr2, regi_ddr2_ctrl, rw_cfg) .dword CONFIG_ETRAX_DDR2_CONFIG + .dword REG_ADDR(ddr2, regi_ddr2_ctrl, rw_latency) + .dword CONFIG_ETRAX_DDR2_LATENCY .dword REG_ADDR(ddr2, regi_ddr2_ctrl, rw_timing) .dword CONFIG_ETRAX_DDR2_TIMING .dword CONFIG_ETRAX_DDR2_MRS diff --git a/arch/cris/arch-v32/mach-a3/io.c b/arch/cris/arch-v32/mach-a3/io.c index c22f67ecd9f..090ceb99ef0 100644 --- a/arch/cris/arch-v32/mach-a3/io.c +++ b/arch/cris/arch-v32/mach-a3/io.c @@ -36,7 +36,7 @@ struct crisv32_ioport crisv32_ioports[] = { }, }; -#define NBR_OF_PORTS sizeof(crisv32_ioports)/sizeof(struct crisv32_ioport) +#define NBR_OF_PORTS ARRAY_SIZE(crisv32_ioports) struct crisv32_iopin crisv32_led_net0_green; struct crisv32_iopin crisv32_led_net0_red; diff --git a/arch/cris/arch-v32/mach-a3/pinmux.c b/arch/cris/arch-v32/mach-a3/pinmux.c index 0a28c9bedfb..591f7752674 100644 --- a/arch/cris/arch-v32/mach-a3/pinmux.c +++ b/arch/cris/arch-v32/mach-a3/pinmux.c @@ -85,6 +85,8 @@ crisv32_pinmux_alloc_fixed(enum fixed_function function) int ret = -EINVAL; char saved[sizeof pins]; unsigned long flags; + reg_pinmux_rw_hwprot hwprot; + reg_clkgen_rw_clk_ctrl clk_ctrl; spin_lock_irqsave(&pinmux_lock, flags); @@ -93,9 +95,8 @@ crisv32_pinmux_alloc_fixed(enum fixed_function function) crisv32_pinmux_init(); /* must be done before we read rw_hwprot */ - reg_pinmux_rw_hwprot hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); - reg_clkgen_rw_clk_ctrl clk_ctrl = REG_RD(clkgen, regi_clkgen, - rw_clk_ctrl); + hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); + clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl); switch (function) { case pinmux_eth: @@ -242,7 +243,7 @@ crisv32_pinmux_dealloc(int port, int first_pin, int last_pin) crisv32_pinmux_init(); - if (port > PORTS) + if (port > PORTS || port < 0) return -EINVAL; spin_lock_irqsave(&pinmux_lock, flags); @@ -262,6 +263,7 @@ crisv32_pinmux_dealloc_fixed(enum fixed_function function) int ret = -EINVAL; char saved[sizeof pins]; unsigned long flags; + reg_pinmux_rw_hwprot hwprot; spin_lock_irqsave(&pinmux_lock, flags); @@ -270,7 +272,7 @@ crisv32_pinmux_dealloc_fixed(enum fixed_function function) crisv32_pinmux_init(); /* must be done before we read rw_hwprot */ - reg_pinmux_rw_hwprot hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); + hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); switch (function) { case pinmux_eth: diff --git a/arch/cris/arch-v32/mach-a3/vcs_hook.c b/arch/cris/arch-v32/mach-a3/vcs_hook.c deleted file mode 100644 index 58b1a5469fd..00000000000 --- a/arch/cris/arch-v32/mach-a3/vcs_hook.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Simulator hook mechanism - */ - -#include "vcs_hook.h" -#include <asm/io.h> -#include <stdarg.h> - -#define HOOK_TRIG_ADDR 0xb7000000 -#define HOOK_MEM_BASE_ADDR 0xce000000 - -static volatile unsigned *hook_base; - -#define HOOK_DATA(offset) hook_base[offset] -#define VHOOK_DATA(offset) hook_base[offset] -#define HOOK_TRIG(funcid) \ - do { \ - *((unsigned *) HOOK_TRIG_ADDR) = funcid; \ - } while (0) -#define HOOK_DATA_BYTE(offset) ((unsigned char *)hook_base)[offset] - -static void hook_init(void) -{ - static int first = 1; - if (first) { - first = 0; - hook_base = ioremap(HOOK_MEM_BASE_ADDR, 8192); - } -} - -static unsigned hook_trig(unsigned id) -{ - unsigned ret; - - /* preempt_disable(); */ - - /* Dummy read from mem to make sure data has propagated to memory - * before trigging */ - ret = *hook_base; - - /* trigger hook */ - HOOK_TRIG(id); - - /* wait for call to finish */ - while (VHOOK_DATA(0) > 0) ; - - /* extract return value */ - - ret = VHOOK_DATA(1); - - return ret; -} - -int hook_call(unsigned id, unsigned pcnt, ...) -{ - va_list ap; - int i; - unsigned ret; - - hook_init(); - - HOOK_DATA(0) = id; - - va_start(ap, pcnt); - for (i = 1; i <= pcnt; i++) - HOOK_DATA(i) = va_arg(ap, unsigned); - va_end(ap); - - ret = hook_trig(id); - - return ret; -} - -int hook_call_str(unsigned id, unsigned size, const char *str) -{ - int i; - unsigned ret; - - hook_init(); - - HOOK_DATA(0) = id; - HOOK_DATA(1) = size; - - for (i = 0; i < size; i++) - HOOK_DATA_BYTE(8 + i) = str[i]; - HOOK_DATA_BYTE(8 + i) = 0; - - ret = hook_trig(id); - - return ret; -} - -void print_str(const char *str) -{ - int i; - /* find null at end of string */ - for (i = 1; str[i]; i++) ; - hook_call(hook_print_str, i, str); -} - -void CPU_WATCHDOG_TIMEOUT(unsigned t) -{ -} diff --git a/arch/cris/arch-v32/mach-a3/vcs_hook.h b/arch/cris/arch-v32/mach-a3/vcs_hook.h deleted file mode 100644 index 8b73d0e8392..00000000000 --- a/arch/cris/arch-v32/mach-a3/vcs_hook.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Simulator hook call mechanism - */ - -#ifndef __hook_h__ -#define __hook_h__ - -int hook_call(unsigned id, unsigned pcnt, ...); -int hook_call_str(unsigned id, unsigned size, const char *str); - -enum hook_ids { - hook_debug_on = 1, - hook_debug_off, - hook_stop_sim_ok, - hook_stop_sim_fail, - hook_alloc_shared, - hook_ptr_shared, - hook_free_shared, - hook_file2shared, - hook_cmp_shared, - hook_print_params, - hook_sim_time, - hook_stop_sim, - hook_kick_dog, - hook_dog_timeout, - hook_rand, - hook_srand, - hook_rand_range, - hook_print_str, - hook_print_hex, - hook_cmp_offset_shared, - hook_fill_random_shared, - hook_alloc_random_data, - hook_calloc_random_data, - hook_print_int, - hook_print_uint, - hook_fputc, - hook_init_fd, - hook_sbrk, - hook_print_context_descr, - hook_print_data_descr, - hook_print_group_descr, - hook_fill_shared, - hook_sl_srand, - hook_sl_rand_irange, - hook_sl_rand_urange, - hook_sl_sh_malloc_aligned, - hook_sl_sh_calloc_aligned, - hook_sl_sh_alloc_random_data, - hook_sl_sh_file2mem, - hook_sl_vera_mbox_handle, - hook_sl_vera_mbox_put, - hook_sl_vera_mbox_get, - hook_sl_system, - hook_sl_sh_hexdump -}; - -#endif diff --git a/arch/cris/arch-v32/mach-fs/Makefile b/arch/cris/arch-v32/mach-fs/Makefile index 4ff407a1b93..18a227196a4 100644 --- a/arch/cris/arch-v32/mach-fs/Makefile +++ b/arch/cris/arch-v32/mach-fs/Makefile @@ -1,11 +1,8 @@ -# $Id: Makefile,v 1.3 2007/03/13 11:57:46 starvik Exp $ # # Makefile for the linux kernel. # obj-y := dma.o pinmux.o io.o arbiter.o -bj-$(CONFIG_ETRAX_VCS_SIM) += vcs_hook.o -obj-$(CONFIG_CPU_FREQ) += cpufreq.o clean: diff --git a/arch/cris/arch-v32/mach-fs/arbiter.c b/arch/cris/arch-v32/mach-fs/arbiter.c index 84d31bd7b69..c97f4d8120f 100644 --- a/arch/cris/arch-v32/mach-fs/arbiter.c +++ b/arch/cris/arch-v32/mach-fs/arbiter.c @@ -184,7 +184,7 @@ static void crisv32_arbiter_init(void) crisv32_arbiter_config(EXT_REGION, 0); crisv32_arbiter_config(INT_REGION, 0); - if (request_irq(MEMARB_INTR_VECT, crisv32_arbiter_irq, IRQF_DISABLED, + if (request_irq(MEMARB_INTR_VECT, crisv32_arbiter_irq, 0, "arbiter", NULL)) printk(KERN_ERR "Couldn't allocate arbiter IRQ\n"); @@ -332,7 +332,7 @@ int crisv32_arbiter_unwatch(int id) if (id == 0) intr_mask.bp0 = regk_marb_no; else if (id == 1) - intr_mask.bp2 = regk_marb_no; + intr_mask.bp1 = regk_marb_no; else if (id == 2) intr_mask.bp2 = regk_marb_no; else if (id == 3) @@ -395,7 +395,7 @@ static irqreturn_t crisv32_arbiter_irq(int irq, void *dev_id) REG_WR(marb_bp, watch->instance, rw_ack, ack); REG_WR(marb, regi_marb, rw_ack_intr, ack_intr); - printk(KERN_INFO "IRQ occured at %lX\n", get_irq_regs()->erp); + printk(KERN_INFO "IRQ occurred at %lX\n", get_irq_regs()->erp); if (watch->cb) watch->cb(); diff --git a/arch/cris/arch-v32/mach-fs/cpufreq.c b/arch/cris/arch-v32/mach-fs/cpufreq.c deleted file mode 100644 index d92cf70d1cb..00000000000 --- a/arch/cris/arch-v32/mach-fs/cpufreq.c +++ /dev/null @@ -1,145 +0,0 @@ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/cpufreq.h> -#include <hwregs/reg_map.h> -#include <arch/hwregs/reg_rdwr.h> -#include <arch/hwregs/config_defs.h> -#include <arch/hwregs/bif_core_defs.h> - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data); - -static struct notifier_block cris_sdram_freq_notifier_block = { - .notifier_call = cris_sdram_freq_notifier -}; - -static struct cpufreq_frequency_table cris_freq_table[] = { - {0x01, 6000}, - {0x02, 200000}, - {0, CPUFREQ_TABLE_END}, -}; - -static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu) -{ - reg_config_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl); - return clk_ctrl.pll ? 200000 : 6000; -} - -static void cris_freq_set_cpu_state(unsigned int state) -{ - int i; - struct cpufreq_freqs freqs; - reg_config_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl); - - for_each_possible_cpu(i) { - freqs.old = cris_freq_get_cpu_frequency(i); - freqs.new = cris_freq_table[state].frequency; - freqs.cpu = i; - } - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - local_irq_disable(); - - /* Even though we may be SMP they will share the same clock - * so all settings are made on CPU0. */ - if (cris_freq_table[state].frequency == 200000) - clk_ctrl.pll = 1; - else - clk_ctrl.pll = 0; - REG_WR(config, regi_config, rw_clk_ctrl, clk_ctrl); - - local_irq_enable(); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); -}; - -static int cris_freq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, &cris_freq_table[0]); -} - -static int cris_freq_target(struct cpufreq_policy *policy, - unsigned int target_freq, unsigned int relation) -{ - unsigned int newstate = 0; - - if (cpufreq_frequency_table_target - (policy, cris_freq_table, target_freq, relation, &newstate)) - return -EINVAL; - - cris_freq_set_cpu_state(newstate); - - return 0; -} - -static int cris_freq_cpu_init(struct cpufreq_policy *policy) -{ - int result; - - /* cpuinfo and default policy values */ - policy->cpuinfo.transition_latency = 1000000; /* 1ms */ - policy->cur = cris_freq_get_cpu_frequency(0); - - result = cpufreq_frequency_table_cpuinfo(policy, cris_freq_table); - if (result) - return (result); - - cpufreq_frequency_table_get_attr(cris_freq_table, policy->cpu); - - return 0; -} - -static int cris_freq_cpu_exit(struct cpufreq_policy *policy) -{ - cpufreq_frequency_table_put_attr(policy->cpu); - return 0; -} - -static struct freq_attr *cris_freq_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static struct cpufreq_driver cris_freq_driver = { - .get = cris_freq_get_cpu_frequency, - .verify = cris_freq_verify, - .target = cris_freq_target, - .init = cris_freq_cpu_init, - .exit = cris_freq_cpu_exit, - .name = "cris_freq", - .owner = THIS_MODULE, - .attr = cris_freq_attr, -}; - -static int __init cris_freq_init(void) -{ - int ret; - ret = cpufreq_register_driver(&cris_freq_driver); - cpufreq_register_notifier(&cris_sdram_freq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); - return ret; -} - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data) -{ - int i; - struct cpufreq_freqs *freqs = data; - if (val == CPUFREQ_PRECHANGE) { - reg_bif_core_rw_sdram_timing timing = - REG_RD(bif_core, regi_bif_core, rw_sdram_timing); - timing.cpd = (freqs->new == 200000 ? 0 : 1); - - if (freqs->new == 200000) - for (i = 0; i < 50000; i++) ; - REG_WR(bif_core, regi_bif_core, rw_sdram_timing, timing); - } - return 0; -} - -module_init(cris_freq_init); diff --git a/arch/cris/arch-v32/mach-fs/dma.c b/arch/cris/arch-v32/mach-fs/dma.c index 2d970d7505c..fc6416a671e 100644 --- a/arch/cris/arch-v32/mach-fs/dma.c +++ b/arch/cris/arch-v32/mach-fs/dma.c @@ -9,7 +9,6 @@ #include <hwregs/config_defs.h> #include <hwregs/strmux_defs.h> #include <linux/errno.h> -#include <asm/system.h> #include <mach/arbiter.h> static char used_dma_channels[MAX_DMA_CHANNELS]; diff --git a/arch/cris/arch-v32/mach-fs/io.c b/arch/cris/arch-v32/mach-fs/io.c index cb6327b1f8f..a6958661fa8 100644 --- a/arch/cris/arch-v32/mach-fs/io.c +++ b/arch/cris/arch-v32/mach-fs/io.c @@ -52,7 +52,7 @@ struct crisv32_ioport crisv32_ioports[] = { } }; -#define NBR_OF_PORTS sizeof(crisv32_ioports)/sizeof(struct crisv32_ioport) +#define NBR_OF_PORTS ARRAY_SIZE(crisv32_ioports) struct crisv32_iopin crisv32_led_net0_green; struct crisv32_iopin crisv32_led_net0_red; diff --git a/arch/cris/arch-v32/mach-fs/pinmux.c b/arch/cris/arch-v32/mach-fs/pinmux.c index d722ad9ae62..38f29eec14a 100644 --- a/arch/cris/arch-v32/mach-fs/pinmux.c +++ b/arch/cris/arch-v32/mach-fs/pinmux.c @@ -54,7 +54,7 @@ crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode) crisv32_pinmux_init(); - if (port > PORTS) + if (port > PORTS || port < 0) return -EINVAL; spin_lock_irqsave(&pinmux_lock, flags); @@ -195,7 +195,7 @@ int crisv32_pinmux_dealloc(int port, int first_pin, int last_pin) crisv32_pinmux_init(); - if (port > PORTS) + if (port > PORTS || port < 0) return -EINVAL; spin_lock_irqsave(&pinmux_lock, flags); diff --git a/arch/cris/arch-v32/mach-fs/vcs_hook.c b/arch/cris/arch-v32/mach-fs/vcs_hook.c deleted file mode 100644 index b11594ae0cb..00000000000 --- a/arch/cris/arch-v32/mach-fs/vcs_hook.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Call simulator hook. This is the part running in the - * simulated program. - */ - -#include "vcs_hook.h" -#include <stdarg.h> -#include <arch-v32/hwregs/reg_map.h> -#include <arch-v32/hwregs/intr_vect_defs.h> - -#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */ -#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */ - -#define HOOK_DATA(offset) ((unsigned *)HOOK_MEM_BASE_ADDR)[offset] -#define VHOOK_DATA(offset) ((volatile unsigned *)HOOK_MEM_BASE_ADDR)[offset] -#define HOOK_TRIG(funcid) \ - do { \ - *((unsigned *) HOOK_TRIG_ADDR) = funcid; \ - } while (0) -#define HOOK_DATA_BYTE(offset) ((unsigned char *)HOOK_MEM_BASE_ADDR)[offset] - -int hook_call(unsigned id, unsigned pcnt, ...) -{ - va_list ap; - unsigned i; - unsigned ret; -#ifdef USING_SOS - PREEMPT_OFF_SAVE(); -#endif - - /* pass parameters */ - HOOK_DATA(0) = id; - - /* Have to make hook_print_str a special case since we call with a - * parameter of byte type. Should perhaps be a separate - * hook_call. */ - - if (id == hook_print_str) { - int i; - char *str; - - HOOK_DATA(1) = pcnt; - - va_start(ap, pcnt); - str = (char *)va_arg(ap, unsigned); - - for (i = 0; i != pcnt; i++) - HOOK_DATA_BYTE(8 + i) = str[i]; - - HOOK_DATA_BYTE(8 + i) = 0; /* null byte */ - } else { - va_start(ap, pcnt); - for (i = 1; i <= pcnt; i++) - HOOK_DATA(i) = va_arg(ap, unsigned); - va_end(ap); - } - - /* read from mem to make sure data has propagated to memory before - * trigging */ - ret = *((volatile unsigned *)HOOK_MEM_BASE_ADDR); - - /* trigger hook */ - HOOK_TRIG(id); - - /* wait for call to finish */ - while (VHOOK_DATA(0) > 0) ; - - /* extract return value */ - - ret = VHOOK_DATA(1); - -#ifdef USING_SOS - PREEMPT_RESTORE(); -#endif - return ret; -} - -unsigned hook_buf(unsigned i) -{ - return (HOOK_DATA(i)); -} - -void print_str(const char *str) -{ - int i; - /* find null at end of string */ - for (i = 1; str[i]; i++) ; - hook_call(hook_print_str, i, str); -} - -void CPU_KICK_DOG(void) -{ - (void)hook_call(hook_kick_dog, 0); -} - -void CPU_WATCHDOG_TIMEOUT(unsigned t) -{ - (void)hook_call(hook_dog_timeout, 1, t); -} - diff --git a/arch/cris/arch-v32/mach-fs/vcs_hook.h b/arch/cris/arch-v32/mach-fs/vcs_hook.h deleted file mode 100644 index c000b9fece4..00000000000 --- a/arch/cris/arch-v32/mach-fs/vcs_hook.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Call simulator hook functions - */ - -#ifndef HOOK_H -#define HOOK_H - -int hook_call(unsigned id, unsigned pcnt, ...); - -enum hook_ids { - hook_debug_on = 1, - hook_debug_off, - hook_stop_sim_ok, - hook_stop_sim_fail, - hook_alloc_shared, - hook_ptr_shared, - hook_free_shared, - hook_file2shared, - hook_cmp_shared, - hook_print_params, - hook_sim_time, - hook_stop_sim, - hook_kick_dog, - hook_dog_timeout, - hook_rand, - hook_srand, - hook_rand_range, - hook_print_str, - hook_print_hex, - hook_cmp_offset_shared, - hook_fill_random_shared, - hook_alloc_random_data, - hook_calloc_random_data, - hook_print_int, - hook_print_uint, - hook_fputc, - hook_init_fd, - hook_sbrk - -}; - -#endif diff --git a/arch/cris/arch-v32/mm/init.c b/arch/cris/arch-v32/mm/init.c index caeb921a92e..3deca5253d9 100644 --- a/arch/cris/arch-v32/mm/init.c +++ b/arch/cris/arch-v32/mm/init.c @@ -27,8 +27,7 @@ extern void tlb_init(void); * at kseg_4 thus the ksegs are set up again. Also clear the TLB and do various * other paging stuff. */ -void __init -cris_mmu_init(void) +void __init cris_mmu_init(void) { unsigned long mmu_config; unsigned long mmu_kbase_hi; @@ -55,21 +54,26 @@ cris_mmu_init(void) /* Initialise the TLB. Function found in tlb.c. */ tlb_init(); - /* Enable exceptions and initialize the kernel segments. */ + /* + * Enable exceptions and initialize the kernel segments. + * See head.S for differences between ARTPEC-3 and ETRAX FS. + */ mmu_config = ( REG_STATE(mmu, rw_mm_cfg, we, on) | REG_STATE(mmu, rw_mm_cfg, acc, on) | REG_STATE(mmu, rw_mm_cfg, ex, on) | REG_STATE(mmu, rw_mm_cfg, inv, on) | +#ifdef CONFIG_CRIS_MACH_ARTPEC3 + REG_STATE(mmu, rw_mm_cfg, seg_f, page) | + REG_STATE(mmu, rw_mm_cfg, seg_e, page) | + REG_STATE(mmu, rw_mm_cfg, seg_d, linear) | +#else REG_STATE(mmu, rw_mm_cfg, seg_f, linear) | REG_STATE(mmu, rw_mm_cfg, seg_e, linear) | REG_STATE(mmu, rw_mm_cfg, seg_d, page) | +#endif REG_STATE(mmu, rw_mm_cfg, seg_c, linear) | REG_STATE(mmu, rw_mm_cfg, seg_b, linear) | -#ifndef CONFIG_ETRAX_VCS_SIM REG_STATE(mmu, rw_mm_cfg, seg_a, page) | -#else - REG_STATE(mmu, rw_mm_cfg, seg_a, linear) | -#endif REG_STATE(mmu, rw_mm_cfg, seg_9, page) | REG_STATE(mmu, rw_mm_cfg, seg_8, page) | REG_STATE(mmu, rw_mm_cfg, seg_7, page) | @@ -81,16 +85,18 @@ cris_mmu_init(void) REG_STATE(mmu, rw_mm_cfg, seg_1, page) | REG_STATE(mmu, rw_mm_cfg, seg_0, page)); + /* See head.S for differences between ARTPEC-3 and ETRAX FS. */ mmu_kbase_hi = ( REG_FIELD(mmu, rw_mm_kbase_hi, base_f, 0x0) | +#ifdef CONFIG_CRIS_MACH_ARTPEC3 + REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 0x0) | + REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 0x5) | +#else REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 0x8) | REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 0x0) | +#endif REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 0x4) | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb) | -#ifndef CONFIG_ETRAX_VCS_SIM REG_FIELD(mmu, rw_mm_kbase_hi, base_a, 0x0) | -#else - REG_FIELD(mmu, rw_mm_kbase_hi, base_a, 0xa) | -#endif REG_FIELD(mmu, rw_mm_kbase_hi, base_9, 0x0) | REG_FIELD(mmu, rw_mm_kbase_hi, base_8, 0x0)); @@ -129,8 +135,7 @@ cris_mmu_init(void) SUPP_REG_WR(RW_GC_CFG, 0xf); /* IMMU, DMMU, ICache, DCache on */ } -void __init -paging_init(void) +void __init paging_init(void) { int i; unsigned long zones_size[MAX_NR_ZONES]; diff --git a/arch/cris/arch-v32/mm/intmem.c b/arch/cris/arch-v32/mm/intmem.c index 9e8b69cdf19..1b17d92cef8 100644 --- a/arch/cris/arch-v32/mm/intmem.c +++ b/arch/cris/arch-v32/mm/intmem.c @@ -33,8 +33,8 @@ static void crisv32_intmem_init(void) { static int initiated = 0; if (!initiated) { - struct intmem_allocation* alloc = - (struct intmem_allocation*)kmalloc(sizeof *alloc, GFP_KERNEL); + struct intmem_allocation* alloc; + alloc = kmalloc(sizeof *alloc, GFP_KERNEL); INIT_LIST_HEAD(&intmem_allocations); intmem_virtual = ioremap(MEM_INTMEM_START + RESERVED_SIZE, MEM_INTMEM_SIZE - RESERVED_SIZE); @@ -62,9 +62,8 @@ void* crisv32_intmem_alloc(unsigned size, unsigned align) if (allocation->status == STATUS_FREE && allocation->size >= size + alignment) { if (allocation->size > size + alignment) { - struct intmem_allocation* alloc = - (struct intmem_allocation*) - kmalloc(sizeof *alloc, GFP_ATOMIC); + struct intmem_allocation* alloc; + alloc = kmalloc(sizeof *alloc, GFP_ATOMIC); alloc->status = STATUS_FREE; alloc->size = allocation->size - size - alignment; @@ -74,9 +73,7 @@ void* crisv32_intmem_alloc(unsigned size, unsigned align) if (alignment) { struct intmem_allocation *tmp; - tmp = (struct intmem_allocation *) - kmalloc(sizeof *tmp, - GFP_ATOMIC); + tmp = kmalloc(sizeof *tmp, GFP_ATOMIC); tmp->offset = allocation->offset; tmp->size = alignment; tmp->status = STATUS_FREE; diff --git a/arch/cris/arch-v32/mm/mmu.S b/arch/cris/arch-v32/mm/mmu.S index 2238d154bde..72727c1d8e6 100644 --- a/arch/cris/arch-v32/mm/mmu.S +++ b/arch/cris/arch-v32/mm/mmu.S @@ -38,6 +38,7 @@ ; to handle the fault. .macro MMU_BUS_FAULT_HANDLER handler, mmu, we, ex .globl \handler + .type \handler,"function" \handler: SAVE_ALL move \mmu, $srs ; Select MMU support register bank @@ -52,6 +53,7 @@ nop ba ret_from_intr nop + .size \handler, . - \handler .endm ; Refill handler. Three cases may occur: @@ -84,6 +86,7 @@ 2: .dword 0 ; last_refill_cause .text .globl \handler + .type \handler, "function" \handler: subq 4, $sp ; (The pipeline stalls for one cycle; $sp used as address in the next cycle.) @@ -115,7 +118,7 @@ #ifdef CONFIG_SMP move $s7, $acr ; PGD #else - move.d per_cpu__current_pgd, $acr ; PGD + move.d current_pgd, $acr ; PGD #endif ; Look up PMD in PGD lsrq 24, $r0 ; Get PMD index into PGD (bit 24-31) @@ -196,6 +199,7 @@ ; Return ba ret_from_intr nop + .size \handler, . - \handler .endm ; This is the MMU bus fault handlers. diff --git a/arch/cris/arch-v32/mm/tlb.c b/arch/cris/arch-v32/mm/tlb.c index 6779bcb28ab..c030d020660 100644 --- a/arch/cris/arch-v32/mm/tlb.c +++ b/arch/cris/arch-v32/mm/tlb.c @@ -189,7 +189,7 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next, spin_unlock(&mmu_context_lock); /* - * Remember the pgd for the fault handlers. Keep a seperate + * Remember the pgd for the fault handlers. Keep a separate * copy of it because current and active_mm might be invalid * at points where * there's still a need to derefer the pgd. */ diff --git a/arch/cris/boot/Makefile b/arch/cris/boot/Makefile index 144f3afa011..6e3b509fd7f 100644 --- a/arch/cris/boot/Makefile +++ b/arch/cris/boot/Makefile @@ -3,7 +3,7 @@ # objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment -objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss +objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss --remove-section=.note.gnu.build-id OBJCOPYFLAGS = -O binary $(objcopyflags-y) diff --git a/arch/cris/boot/compressed/misc.c b/arch/cris/boot/compressed/misc.c index 47bc190ba6d..548d886b03d 100644 --- a/arch/cris/boot/compressed/misc.c +++ b/arch/cris/boot/compressed/misc.c @@ -106,7 +106,7 @@ static unsigned outcnt = 0; /* bytes in output buffer */ static void flush_window(void); static void error(char *m); -static void puts(const char *); +static void aputs(const char *s); extern char *input_data; /* lives in head.S */ @@ -137,52 +137,37 @@ static inline void serout(const char *s, reg_scope_instances regi_ser) REG_WR(ser, regi_ser, rw_dout, dout); } +#define SEROUT(S, N) \ + do { \ + serout(S, regi_ser ## N); \ + s++; \ + } while (0) +#else +#define SEROUT(S, N) do { \ + while (!(*R_SERIAL ## N ## _STATUS & (1 << 5))) \ + ; \ + *R_SERIAL ## N ## _TR_DATA = *s++; \ + } while (0) #endif -static void puts(const char *s) +static void aputs(const char *s) { #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL while (*s) { #ifdef CONFIG_ETRAX_DEBUG_PORT0 -#ifdef CONFIG_ETRAX_ARCH_V32 - serout(s, regi_ser0); -#else - while (!(*R_SERIAL0_STATUS & (1 << 5))) - ; - *R_SERIAL0_TR_DATA = *s++; -#endif + SEROUT(s, 0); #endif #ifdef CONFIG_ETRAX_DEBUG_PORT1 -#ifdef CONFIG_ETRAX_ARCH_V32 - serout(s, regi_ser1); -#else - while (!(*R_SERIAL1_STATUS & (1 << 5))) - ; - *R_SERIAL1_TR_DATA = *s++; -#endif + SEROUT(s, 1); #endif #ifdef CONFIG_ETRAX_DEBUG_PORT2 -#ifdef CONFIG_ETRAX_ARCH_V32 - serout(s, regi_ser2); -#else - while (!(*R_SERIAL2_STATUS & (1 << 5))) - ; - *R_SERIAL2_TR_DATA = *s++; -#endif + SEROUT(s, 2); #endif #ifdef CONFIG_ETRAX_DEBUG_PORT3 -#ifdef CONFIG_ETRAX_ARCH_V32 - serout(s, regi_ser3); -#else - while (!(*R_SERIAL3_STATUS & (1 << 5))) - ; - *R_SERIAL3_TR_DATA = *s++; + SEROUT(s, 3); #endif -#endif - *s++; } -/* CONFIG_ETRAX_DEBUG_PORT_NULL */ -#endif +#endif /* CONFIG_ETRAX_DEBUG_PORT_NULL */ } void *memset(void *s, int c, size_t n) @@ -233,9 +218,9 @@ static void flush_window(void) static void error(char *x) { - puts("\n\n"); - puts(x); - puts("\n\n -- System halted\n"); + aputs("\n\n"); + aputs(x); + aputs("\n\n -- System halted\n"); while(1); /* Halt */ } @@ -378,14 +363,14 @@ void decompress_kernel(void) __asm__ volatile ("move $vr,%0" : "=rm" (revision)); if (revision < compile_rev) { #ifdef CONFIG_ETRAX_ARCH_V32 - puts("You need an ETRAX FS to run Linux 2.6/crisv32\n"); + aputs("You need at least ETRAX FS to run Linux 2.6/crisv32\n"); #else - puts("You need an ETRAX 100LX to run linux 2.6\n"); + aputs("You need an ETRAX 100LX to run linux 2.6/crisv10\n"); #endif while(1); } - puts("Uncompressing Linux...\n"); + aputs("Uncompressing Linux...\n"); gunzip(); - puts("Done. Now booting the kernel\n"); + aputs("Done. Now booting the kernel\n"); } diff --git a/arch/cris/boot/rescue/head_v10.S b/arch/cris/boot/rescue/head_v10.S index 2fafe247a25..af55df0994b 100644 --- a/arch/cris/boot/rescue/head_v10.S +++ b/arch/cris/boot/rescue/head_v10.S @@ -7,7 +7,7 @@ * for each partition that this code should check. * * If any of the checksums fail, we assume the flash is so - * corrupt that we cant use it to boot into the ftp flash + * corrupt that we can't use it to boot into the ftp flash * loader, and instead we initialize the serial port to * receive a flash-loader and new flash image. we dont include * any flash code here, but just accept a certain amount of diff --git a/arch/cris/boot/rescue/kimagerescue.S b/arch/cris/boot/rescue/kimagerescue.S index 6f7b3e61260..655b511fecf 100644 --- a/arch/cris/boot/rescue/kimagerescue.S +++ b/arch/cris/boot/rescue/kimagerescue.S @@ -50,7 +50,6 @@ nop di -#ifndef CONFIG_SVINTO_SIM ;; setup port PA and PB default initial directions and data ;; (so we can flash LEDs, and so that DTR and others are set) @@ -67,7 +66,6 @@ ;; We need to setup the bus registers before we start using the DRAM #include "../../lib/dram_init.S" -#endif ;; Setup the stack to a suitably high address. ;; We assume 8 MB is the minimum DRAM in an eLinux ;; product and put the sp at the top for now. diff --git a/arch/cris/configs/artpec_3_defconfig b/arch/cris/configs/artpec_3_defconfig index 41fe67409aa..71854d41c5a 100644 --- a/arch/cris/configs/artpec_3_defconfig +++ b/arch/cris/configs/artpec_3_defconfig @@ -1,582 +1,44 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.24-rc3 -# Mon Dec 3 11:18:54 2007 -# -CONFIG_MMU=y -CONFIG_ZONE_DMA=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -CONFIG_GENERIC_IOMAP=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_NO_IOPORT=y -CONFIG_FORCE_MAX_ZONEORDER=6 -CONFIG_CRIS=y -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# CONFIG_EXPERIMENTAL=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_INIT_ENV_ARG_LIMIT=32 -CONFIG_LOCALVERSION="" -CONFIG_LOCALVERSION_AUTO=y # CONFIG_SWAP is not set -# CONFIG_SYSVIPC is not set -# CONFIG_POSIX_MQUEUE is not set -# CONFIG_BSD_PROCESS_ACCT is not set -# CONFIG_TASKSTATS is not set -# CONFIG_USER_NS is not set -# CONFIG_PID_NS is not set -# CONFIG_AUDIT is not set -# CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CGROUPS is not set -CONFIG_FAIR_GROUP_SCHED=y -CONFIG_FAIR_USER_SCHED=y -# CONFIG_FAIR_CGROUP_SCHED is not set -CONFIG_SYSFS_DEPRECATED=y -# CONFIG_RELAY is not set -# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_SYSCTL=y -CONFIG_EMBEDDED=y -CONFIG_UID16=y -CONFIG_SYSCTL_SYSCALL=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_ANON_INODES=y -CONFIG_EPOLL=y -CONFIG_SIGNALFD=y -CONFIG_EVENTFD=y -CONFIG_SHMEM=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_SLUB_DEBUG=y -# CONFIG_SLAB is not set -CONFIG_SLUB=y -# CONFIG_SLOB is not set -CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 -# CONFIG_MODULES is not set -CONFIG_BLOCK=y -# CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set # CONFIG_BLK_DEV_BSG is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set # CONFIG_IOSCHED_DEADLINE is not set -CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="cfq" - -# -# General setup -# -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set -CONFIG_GENERIC_HARDIRQS=y CONFIG_ETRAX_CMDLINE="root=/dev/mtdblock3 init=/linuxrc" -# CONFIG_ETRAX_WATCHDOG is not set CONFIG_ETRAX_FAST_TIMER=y -# CONFIG_ETRAX_KMALLOCED_MODULES is not set -# CONFIG_OOM_REBOOT is not set -CONFIG_PREEMPT_NONE=y -# CONFIG_PREEMPT_VOLUNTARY is not set -# CONFIG_PREEMPT is not set -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set -CONFIG_SPLIT_PTLOCK_CPUS=4 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y -CONFIG_VIRT_TO_BUS=y - -# -# Hardware setup -# -# CONFIG_ETRAX100LX is not set -# CONFIG_ETRAX100LX_V2 is not set -# CONFIG_SVINTO_SIM is not set -# CONFIG_ETRAXFS is not set CONFIG_CRIS_MACH_ARTPEC3=y -# CONFIG_ETRAX_VCS_SIM is not set -# CONFIG_ETRAX_ARCH_V10 is not set -CONFIG_ETRAX_ARCH_V32=y CONFIG_ETRAX_DRAM_SIZE=32 -CONFIG_ETRAX_VMEM_SIZE=8 -CONFIG_ETRAX_FLASH_BUSWIDTH=2 -CONFIG_ETRAX_NANDFLASH_BUSWIDTH=1 CONFIG_ETRAX_FLASH1_SIZE=4 -CONFIG_ETRAX_DEBUG_PORT0=y -# CONFIG_ETRAX_DEBUG_PORT1 is not set -# CONFIG_ETRAX_DEBUG_PORT2 is not set -# CONFIG_ETRAX_DEBUG_PORT3 is not set -# CONFIG_ETRAX_DEBUG_PORT_NULL is not set -CONFIG_ETRAX_DRAM_VIRTUAL_BASE=c0000000 -CONFIG_ETRAX_SERIAL_PORTS=5 CONFIG_ETRAX_DEF_GIO_PA_OE=1c CONFIG_ETRAX_DEF_GIO_PA_OUT=00 CONFIG_ETRAX_DEF_GIO_PB_OE=00000 CONFIG_ETRAX_DEF_GIO_PB_OUT=00000 -CONFIG_ETRAX_DEF_GIO_PC_OE=00000 -CONFIG_ETRAX_DEF_GIO_PC_OUT=00000 - -# -# Artpec-3 options -# -CONFIG_ETRAX_L2CACHE=y -CONFIG_ETRAX_DDR=y -CONFIG_ETRAX_DDR2_MRS=0 -CONFIG_ETRAX_DDR2_TIMING=0 -CONFIG_ETRAX_DDR2_CONFIG=0 -CONFIG_ETRAX_PIO_CE0_CFG=0 -CONFIG_ETRAX_PIO_CE1_CFG=0 -CONFIG_ETRAX_PIO_CE2_CFG=0 -# CONFIG_CPU_FREQ is not set -# CONFIG_ETRAX_NBR_LED_GRP_ZERO is not set -CONFIG_ETRAX_NBR_LED_GRP_ONE=y -# CONFIG_ETRAX_NBR_LED_GRP_TWO is not set -CONFIG_ETRAX_LED_G_NET0="PA3" -CONFIG_ETRAX_LED_R_NET0="PA4" -CONFIG_ETRAX_V32_LED2G="PA5" -CONFIG_ETRAX_V32_LED2R="PA6" -CONFIG_ETRAX_V32_LED3G="PA7" -CONFIG_ETRAX_V32_LED3R="PA7" - -# -# Networking -# CONFIG_NET=y - -# -# Networking options -# CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y -CONFIG_XFRM=y -# CONFIG_XFRM_USER is not set -# CONFIG_XFRM_SUB_POLICY is not set -# CONFIG_XFRM_MIGRATE is not set -# CONFIG_NET_KEY is not set CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_FIB_HASH=y -# CONFIG_IP_PNP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_INET_XFRM_MODE_TRANSPORT=y -CONFIG_INET_XFRM_MODE_TUNNEL=y -CONFIG_INET_XFRM_MODE_BEET=y # CONFIG_INET_LRO is not set -CONFIG_INET_DIAG=y -CONFIG_INET_TCP_DIAG=y -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_CUBIC=y -CONFIG_DEFAULT_TCP_CONG="cubic" -# CONFIG_TCP_MD5SIG is not set -# CONFIG_IP_VS is not set # CONFIG_IPV6 is not set -# CONFIG_INET6_XFRM_TUNNEL is not set -# CONFIG_INET6_TUNNEL is not set -# CONFIG_NETWORK_SECMARK is not set CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set - -# -# Core Netfilter Configuration -# -# CONFIG_NETFILTER_NETLINK is not set -# CONFIG_NF_CONNTRACK_ENABLED is not set -# CONFIG_NF_CONNTRACK is not set -# CONFIG_NETFILTER_XTABLES is not set - -# -# IP: Netfilter Configuration -# -# CONFIG_IP_NF_QUEUE is not set -# CONFIG_IP_NF_IPTABLES is not set -# CONFIG_IP_NF_ARPTABLES is not set -# CONFIG_IP_DCCP is not set -# CONFIG_IP_SCTP is not set -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_AF_RXRPC is not set - -# -# Wireless -# -# CONFIG_CFG80211 is not set -# CONFIG_WIRELESS_EXT is not set -# CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set -# CONFIG_RFKILL is not set -# CONFIG_NET_9P is not set - -# -# Drivers for built-in interfaces -# CONFIG_ETRAX_ETHERNET=y -# CONFIG_ETRAX_IDE is not set CONFIG_ETRAX_AXISFLASHMAP=y -CONFIG_ETRAX_PTABLE_SECTOR=65536 -# CONFIG_ETRAX_I2C is not set -# CONFIG_ETRAX_GPIO is not set -# CONFIG_ETRAX_NO_PHY is not set -# CONFIG_ETRAX_ETHERNET_IFACE0 is not set -# CONFIG_ETRAX_ETHERNET_GBIT is not set -# CONFIG_ETRAXFS_SERIAL is not set -# CONFIG_ETRAX_SYNCHRONOUS_SERIAL is not set -# CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE is not set -# CONFIG_ETRAX_NANDFLASH is not set -# CONFIG_ETRAX_CARDBUS is not set -# CONFIG_ETRAX_IOP_FW_LOAD is not set -# CONFIG_ETRAX_STREAMCOPROC is not set -# CONFIG_ETRAX_SPI_MMC is not set -# CONFIG_ETRAX_SPI_MMC_BOARD is not set -# CONFIG_ETRAX_NETWORK_LED_ON_WHEN_LINK is not set -CONFIG_ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY=y - -# -# Generic Driver Options -# -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_SYS_HYPERVISOR is not set -CONFIG_MTD=y -# CONFIG_MTD_DEBUG is not set -CONFIG_MTD_CONCAT=y -CONFIG_MTD_PARTITIONS=y -# CONFIG_MTD_REDBOOT_PARTS is not set -# CONFIG_MTD_CMDLINE_PARTS is not set - -# -# User Modules And Translation Layers -# -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLKDEVS=y -CONFIG_MTD_BLOCK=y -# CONFIG_FTL is not set -# CONFIG_NFTL is not set -# CONFIG_INFTL is not set -# CONFIG_RFD_FTL is not set -# CONFIG_SSFDC is not set -# CONFIG_MTD_OOPS is not set - -# -# RAM/ROM/Flash chip drivers -# -CONFIG_MTD_CFI=y -CONFIG_MTD_JEDECPROBE=y -CONFIG_MTD_GEN_PROBE=y -# CONFIG_MTD_CFI_ADV_OPTIONS is not set -CONFIG_MTD_MAP_BANK_WIDTH_1=y -CONFIG_MTD_MAP_BANK_WIDTH_2=y -CONFIG_MTD_MAP_BANK_WIDTH_4=y -# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -CONFIG_MTD_CFI_I1=y -CONFIG_MTD_CFI_I2=y -# CONFIG_MTD_CFI_I4 is not set -# CONFIG_MTD_CFI_I8 is not set -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CFI_AMDSTD=y -# CONFIG_MTD_CFI_STAA is not set -CONFIG_MTD_CFI_UTIL=y CONFIG_MTD_RAM=y -# CONFIG_MTD_ROM is not set -# CONFIG_MTD_ABSENT is not set - -# -# Mapping drivers for chip access -# -CONFIG_MTD_COMPLEX_MAPPINGS=y -# CONFIG_MTD_PHYSMAP is not set -# CONFIG_MTD_PLATRAM is not set - -# -# Self-contained MTD device drivers -# -# CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_PHRAM is not set CONFIG_MTD_MTDRAM=y CONFIG_MTDRAM_TOTAL_SIZE=0 CONFIG_MTDRAM_ERASE_SIZE=64 CONFIG_MTDRAM_ABS_POS=0x0 -# CONFIG_MTD_BLOCK2MTD is not set - -# -# Disk-On-Chip Device Drivers -# -# CONFIG_MTD_DOC2000 is not set -# CONFIG_MTD_DOC2001 is not set -# CONFIG_MTD_DOC2001PLUS is not set -# CONFIG_MTD_NAND is not set -# CONFIG_MTD_ONENAND is not set - -# -# UBI - Unsorted block images -# -# CONFIG_MTD_UBI is not set -CONFIG_BLK_DEV=y -# CONFIG_BLK_DEV_COW_COMMON is not set -# CONFIG_BLK_DEV_LOOP is not set -# CONFIG_BLK_DEV_NBD is not set CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -# CONFIG_CDROM_PKTCDVD is not set -# CONFIG_ATA_OVER_ETH is not set CONFIG_NETDEVICES=y -# CONFIG_NETDEVICES_MULTIQUEUE is not set -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -# CONFIG_PHYLIB is not set -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -CONFIG_NETDEV_1000=y -CONFIG_NETDEV_10000=y - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set -# CONFIG_WAN is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_RTC_CLASS is not set - -# -# Input device support -# # CONFIG_INPUT is not set - -# -# Hardware I/O ports -# -CONFIG_SERIO=y # CONFIG_SERIO_I8042 is not set # CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_LIBPS2 is not set -# CONFIG_SERIO_RAW is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# # CONFIG_VT is not set -CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 -CONFIG_HW_RANDOM=y -# CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set -# CONFIG_R3964 is not set -# CONFIG_RAW_DRIVER is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set -# CONFIG_EXT3_FS is not set -# CONFIG_EXT4DEV_FS is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -# CONFIG_FS_POSIX_ACL is not set -# CONFIG_XFS_FS is not set -# CONFIG_GFS2_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set -CONFIG_DNOTIFY=y -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set -# CONFIG_FUSE_FS is not set - -# -# CD-ROM/DVD Filesystems -# -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -# CONFIG_MSDOS_FS is not set -# CONFIG_VFAT_FS is not set -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y -CONFIG_PROC_SYSCTL=y -CONFIG_SYSFS=y CONFIG_TMPFS=y -# CONFIG_TMPFS_POSIX_ACL is not set -# CONFIG_HUGETLB_PAGE is not set -# CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set CONFIG_JFFS2_FS=y -CONFIG_JFFS2_FS_DEBUG=0 -CONFIG_JFFS2_FS_WRITEBUFFER=y -# CONFIG_JFFS2_FS_WBUF_VERIFY is not set -# CONFIG_JFFS2_SUMMARY is not set -# CONFIG_JFFS2_FS_XATTR is not set -# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set -CONFIG_JFFS2_ZLIB=y -# CONFIG_JFFS2_LZO is not set -CONFIG_JFFS2_RTIME=y -# CONFIG_JFFS2_RUBIN is not set CONFIG_CRAMFS=y -# CONFIG_VXFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set -CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y -# CONFIG_NFS_V3_ACL is not set -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -# CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_SUNRPC_BIND34 is not set -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set -# CONFIG_DLM is not set - -# -# Kernel hacking -# -# CONFIG_PROFILING is not set -# CONFIG_SYSTEM_PROFILER is not set -# CONFIG_PRINTK_TIME is not set -CONFIG_ENABLE_WARN_DEPRECATED=y -CONFIG_ENABLE_MUST_CHECK=y -# CONFIG_MAGIC_SYSRQ is not set -# CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_HEADERS_CHECK is not set -# CONFIG_DEBUG_KERNEL is not set -# CONFIG_SLUB_DEBUG_ON is not set -# CONFIG_SAMPLES is not set - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set -# CONFIG_CRYPTO is not set - -# -# Library routines -# -CONFIG_BITREVERSE=y -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set -# CONFIG_CRC_ITU_T is not set -CONFIG_CRC32=y -# CONFIG_CRC7 is not set -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y -CONFIG_HAS_DMA=y diff --git a/arch/cris/configs/etrax-100lx_defconfig b/arch/cris/configs/etrax-100lx_defconfig index 572f1192639..cbbcefeaa8f 100644 --- a/arch/cris/configs/etrax-100lx_defconfig +++ b/arch/cris/configs/etrax-100lx_defconfig @@ -1,502 +1,23 @@ -# -# Automatically generated make config: don't edit -# -CONFIG_UID16=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set - -# -# Code maturity level options -# CONFIG_EXPERIMENTAL=y - -# -# General setup -# -CONFIG_NET=y CONFIG_SYSVIPC=y -# CONFIG_BSD_PROCESS_ACCT is not set -# CONFIG_SYSCTL is not set -CONFIG_BINFMT_ELF=y -# CONFIG_ETRAX_KGDB is not set -# CONFIG_ETRAX_WATCHDOG is not set - -# -# Hardware setup -# -CONFIG_ETRAX100LX=y -# CONFIG_ETRAX100LX_V2 is not set -# CONFIG_SVINTO_SIM is not set -CONFIG_CRIS_LOW_MAP=y -CONFIG_ETRAX_DRAM_VIRTUAL_BASE=60000000 -CONFIG_ETRAX_DRAM_SIZE=8 -CONFIG_ETRAX_FLASH_BUSWIDTH=2 -CONFIG_ETRAX_ROOT_DEVICE="/dev/mtdblock3" -CONFIG_ETRAX_PA_LEDS=y -# CONFIG_ETRAX_PB_LEDS is not set -# CONFIG_ETRAX_CSP0_LEDS is not set -# CONFIG_ETRAX_NO_LEDS is not set -CONFIG_ETRAX_LED1G=2 CONFIG_ETRAX_LED1R=2 CONFIG_ETRAX_LED2G=2 CONFIG_ETRAX_LED2R=2 -CONFIG_ETRAX_LED3R=2 -CONFIG_ETRAX_LED3G=2 -CONFIG_ETRAX_LED4R=2 -CONFIG_ETRAX_LED4G=2 -CONFIG_ETRAX_LED5R=2 -CONFIG_ETRAX_LED5G=2 -CONFIG_ETRAX_LED6R=2 -CONFIG_ETRAX_LED6G=2 -CONFIG_ETRAX_LED7R=2 -CONFIG_ETRAX_LED7G=2 -CONFIG_ETRAX_LED8Y=2 -CONFIG_ETRAX_LED9Y=2 -CONFIG_ETRAX_LED10Y=2 -CONFIG_ETRAX_LED11Y=2 -CONFIG_ETRAX_LED12R=2 -CONFIG_ETRAX_DEBUG_PORT0=y -# CONFIG_ETRAX_DEBUG_PORT1 is not set -# CONFIG_ETRAX_DEBUG_PORT2 is not set -# CONFIG_ETRAX_DEBUG_PORT3 is not set -CONFIG_ETRAX_RESCUE_SER0=y -# CONFIG_ETRAX_RESCUE_SER1 is not set -# CONFIG_ETRAX_RESCUE_SER2 is not set -# CONFIG_ETRAX_RESCUE_SER3 is not set -CONFIG_ETRAX_DEF_R_WAITSTATES=95a6 -CONFIG_ETRAX_DEF_R_BUS_CONFIG=104 -# CONFIG_ETRAX_SDRAM is not set -CONFIG_ETRAX_DEF_R_DRAM_CONFIG=1a200040 -CONFIG_ETRAX_DEF_R_DRAM_TIMING=5611 CONFIG_ETRAX_DEF_R_PORT_PA_DIR=1d CONFIG_ETRAX_DEF_R_PORT_PA_DATA=f0 -CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG=00 CONFIG_ETRAX_DEF_R_PORT_PB_DIR=1e CONFIG_ETRAX_DEF_R_PORT_PB_DATA=f3 -# CONFIG_ETRAX_SOFT_SHUTDOWN is not set - -# -# Drivers for ETRAX 100LX built-in interfaces -# +CONFIG_NET=y +CONFIG_UNIX=y +CONFIG_INET=y +# CONFIG_IPV6 is not set CONFIG_ETRAX_ETHERNET=y -CONFIG_NET_ETHERNET=y -# CONFIG_ETRAX_NETWORK_LED_ON_WHEN_LINK is not set -CONFIG_ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY=y -# CONFIG_ETRAX_ETHERNET_LPSLAVE is not set CONFIG_ETRAX_SERIAL=y CONFIG_ETRAX_SERIAL_PORT0=y -# CONFIG_ETRAX_SER0_DTR_RI_DSR_CD_ON_PB is not set CONFIG_ETRAX_SERIAL_PORT1=y -# CONFIG_ETRAX_SER1_DTR_RI_DSR_CD_ON_PB is not set -# CONFIG_ETRAX_SERIAL_PORT2 is not set -# CONFIG_ETRAX_SERIAL_PORT3 is not set -# CONFIG_ETRAX_RS485 is not set -# CONFIG_ETRAX_SYNCHRONOUS_SERIAL is not set -# CONFIG_ETRAX_IDE is not set -CONFIG_ETRAX_AXISFLASHMAP=y -CONFIG_ETRAX_PTABLE_SECTOR=65536 -CONFIG_MTD=y -CONFIG_MTD_CFI=y -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CFI_AMDSTD=y -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLOCK=y CONFIG_ETRAX_I2C=y CONFIG_ETRAX_I2C_USES_PB_NOT_PB_I2C=y -# CONFIG_ETRAX_I2C_EEPROM is not set CONFIG_ETRAX_GPIO=y -CONFIG_ETRAX_PA_BUTTON_BITMASK=02 -CONFIG_ETRAX_PA_CHANGEABLE_DIR=00 -CONFIG_ETRAX_PA_CHANGEABLE_BITS=FF -CONFIG_ETRAX_PB_CHANGEABLE_DIR=00 -CONFIG_ETRAX_PB_CHANGEABLE_BITS=FF -# CONFIG_ETRAX_USB_HOST is not set -# CONFIG_USB is not set -# CONFIG_ETRAX_DS1302 is not set - -# -# Memory Technology Devices (MTD) -# -CONFIG_MTD=y -# CONFIG_MTD_DEBUG is not set - -# -# Disk-On-Chip Device Drivers -# -# CONFIG_MTD_DOC1000 is not set -# CONFIG_MTD_DOC2000 is not set -# CONFIG_MTD_DOC2001 is not set -# CONFIG_MTD_DOCPROBE is not set - -# -# RAM/ROM Device Drivers -# -# CONFIG_MTD_PMC551 is not set -# CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_RAM is not set -# CONFIG_MTD_ROM is not set -# CONFIG_MTD_MTDRAM is not set - -# -# Linearly Mapped Flash Device Drivers -# -CONFIG_MTD_CFI=y -# CONFIG_MTD_CFI_GEOMETRY is not set -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CFI_AMDSTD=y -# CONFIG_MTD_SHARP is not set -# CONFIG_MTD_PHYSMAP is not set -# CONFIG_MTD_NORA is not set -# CONFIG_MTD_PNC2000 is not set -# CONFIG_MTD_RPXLITE is not set -# CONFIG_MTD_SC520CDP is not set -# CONFIG_MTD_SBC_MEDIAGX is not set -# CONFIG_MTD_ELAN_104NC is not set -# CONFIG_MTD_SA1100 is not set -# CONFIG_MTD_DC21285 is not set -# CONFIG_MTD_CSTM_CFI_JEDEC is not set -# CONFIG_MTD_JEDEC is not set -# CONFIG_MTD_MIXMEM is not set -# CONFIG_MTD_OCTAGON is not set -# CONFIG_MTD_VMAX is not set - -# -# NAND Flash Device Drivers -# -# CONFIG_MTD_NAND is not set -# CONFIG_MTD_NAND_SPIA is not set - -# -# User Modules And Translation Layers -# -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLOCK=y -# CONFIG_FTL is not set -# CONFIG_NFTL is not set - -# -# Parallel port support -# -# CONFIG_PARPORT is not set - -# -# Plug and Play configuration -# -# CONFIG_PNP is not set -# CONFIG_ISAPNP is not set - -# -# Block devices -# -# CONFIG_BLK_DEV_FD is not set -# CONFIG_BLK_DEV_XD is not set -# CONFIG_PARIDE is not set -# CONFIG_BLK_CPQ_DA is not set -# CONFIG_BLK_CPQ_CISS_DA is not set -# CONFIG_BLK_DEV_DAC960 is not set -# CONFIG_BLK_DEV_LOOP is not set -# CONFIG_BLK_DEV_NBD is not set -# CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set - -# -# Networking options -# -# CONFIG_PACKET is not set -# CONFIG_NETLINK is not set -# CONFIG_NETFILTER is not set -# CONFIG_FILTER is not set -CONFIG_UNIX=y -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -# CONFIG_IP_PNP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_INET_ECN is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_IPV6 is not set -# CONFIG_KHTTPD is not set -# CONFIG_ATM is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_DECNET is not set -# CONFIG_BRIDGE is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_LLC is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_HW_FLOWCONTROL is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set -# CONFIG_PHONE_IXJ is not set - -# -# ATA/IDE/MFM/RLL support -# -# CONFIG_IDE is not set - -# -# IDE, ATA and ATAPI Block devices -# -# CONFIG_BLK_DEV_IDE is not set -# CONFIG_BLK_DEV_HD_IDE is not set -# CONFIG_BLK_DEV_HD is not set -# CONFIG_BLK_DEV_IDEDISK is not set -# CONFIG_IDEDISK_MULTI_MODE is not set -# CONFIG_BLK_DEV_IDECS is not set -# CONFIG_BLK_DEV_IDECD is not set -# CONFIG_BLK_DEV_IDETAPE is not set -# CONFIG_BLK_DEV_IDEFLOPPY is not set -# CONFIG_BLK_DEV_IDESCSI is not set -# CONFIG_BLK_DEV_CMD640 is not set -# CONFIG_BLK_DEV_CMD640_ENHANCED is not set -# CONFIG_BLK_DEV_ISAPNP is not set -# CONFIG_IDE_CHIPSETS is not set -# CONFIG_IDEDMA_AUTO is not set -# CONFIG_BLK_DEV_IDE_MODES is not set - -# -# SCSI support -# -# CONFIG_SCSI is not set - -# -# I2O device support -# -# CONFIG_I2O is not set -# CONFIG_I2O_BLOCK is not set -# CONFIG_I2O_LAN is not set -# CONFIG_I2O_SCSI is not set -# CONFIG_I2O_PROC is not set - -# -# Network device support -# +CONFIG_ETRAX_AXISFLASHMAP=y CONFIG_NETDEVICES=y - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_NET_SB1000 is not set - -# -# Ethernet (10 or 100Mbit) -# -CONFIG_NET_ETHERNET=y -# CONFIG_NET_VENDOR_3COM is not set -# CONFIG_LANCE is not set -# CONFIG_NET_VENDOR_SMC is not set -# CONFIG_NET_VENDOR_RACAL is not set -# CONFIG_AT1700 is not set -# CONFIG_DEPCA is not set -# CONFIG_NET_ISA is not set -# CONFIG_NET_PCI is not set -# CONFIG_NET_POCKET is not set - -# -# Ethernet (1000 Mbit) -# -# CONFIG_ACENIC is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_SK98LIN is not set -# CONFIG_FDDI is not set -# CONFIG_HIPPI is not set -# CONFIG_PLIP is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Token Ring devices -# -# CONFIG_TR is not set -# CONFIG_NET_FC is not set -# CONFIG_RCPCI is not set -# CONFIG_SHAPER is not set - -# -# Wan interfaces -# -# CONFIG_WAN is not set - -# -# Amateur Radio support -# -# CONFIG_HAMRADIO is not set - -# -# IrDA (infrared) support -# -# CONFIG_IRDA is not set - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# CD-ROM drivers (not for SCSI or IDE/ATAPI drives) -# -# CONFIG_CD_NO_IDESCSI is not set - -# -# Input core support -# -# CONFIG_INPUT is not set - -# -# Character devices -# -# CONFIG_VT is not set -# CONFIG_SERIAL is not set -# CONFIG_SERIAL_EXTENDED is not set -# CONFIG_SERIAL_NONSTANDARD is not set -# CONFIG_UNIX98_PTYS is not set - -# -# I2C support -# -# CONFIG_I2C is not set - -# -# Mice -# -# CONFIG_BUSMOUSE is not set -# CONFIG_MOUSE is not set - -# -# Joysticks -# -# CONFIG_JOYSTICK is not set -# CONFIG_QIC02_TAPE is not set - -# -# Watchdog Cards -# -# CONFIG_WATCHDOG is not set -# CONFIG_INTEL_RNG is not set -# CONFIG_NVRAM is not set -# CONFIG_RTC is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# -# CONFIG_FTAPE is not set -# CONFIG_AGP is not set -# CONFIG_DRM is not set - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# File systems -# -# CONFIG_QUOTA is not set -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set -# CONFIG_ADFS_FS is not set -# CONFIG_ADFS_FS_RW is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_FAT_FS is not set -# CONFIG_MSDOS_FS is not set -# CONFIG_VFAT_FS is not set -# CONFIG_EFS_FS is not set -# CONFIG_JFFS_FS is not set CONFIG_CRAMFS=y -CONFIG_RAMFS=y -# CONFIG_ISO9660_FS is not set -# CONFIG_JOLIET is not set -# CONFIG_MINIX_FS is not set -# CONFIG_NTFS_FS is not set -# CONFIG_NTFS_DEBUG is not set -# CONFIG_NTFS_RW is not set -# CONFIG_HPFS_FS is not set -CONFIG_PROC_FS=y -# CONFIG_DEVFS_FS is not set -# CONFIG_DEVFS_MOUNT is not set -# CONFIG_DEVFS_DEBUG is not set -# CONFIG_DEVPTS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_QNX4FS_RW is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_EXT2_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_SYSV_FS_WRITE is not set -# CONFIG_UDF_FS is not set -# CONFIG_UDF_RW is not set -# CONFIG_UFS_FS is not set -# CONFIG_UFS_FS_WRITE is not set - -# -# Network File Systems -# -# CONFIG_CODA_FS is not set -# CONFIG_NFS_FS is not set -# CONFIG_NFS_V3 is not set -# CONFIG_ROOT_NFS is not set -# CONFIG_NFSD is not set -# CONFIG_NFSD_V3 is not set -# CONFIG_SUNRPC is not set -# CONFIG_LOCKD is not set -# CONFIG_SMB_FS is not set -# CONFIG_NCP_FS is not set -# CONFIG_NCPFS_PACKET_SIGNING is not set -# CONFIG_NCPFS_IOCTL_LOCKING is not set -# CONFIG_NCPFS_STRONG is not set -# CONFIG_NCPFS_NFS_NS is not set -# CONFIG_NCPFS_OS2_NS is not set -# CONFIG_NCPFS_SMALLDOS is not set -# CONFIG_NCPFS_MOUNT_SUBDIR is not set -# CONFIG_NCPFS_NDS_DOMAINS is not set -# CONFIG_NCPFS_NLS is not set -# CONFIG_NCPFS_EXTRAS is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set - -# -# Sound -# -# CONFIG_SOUND is not set - -# -# USB support -# -# CONFIG_USB is not set - -# -# Kernel hacking -# -# CONFIG_PROFILE is not set diff --git a/arch/cris/configs/etrax-100lx_v2_defconfig b/arch/cris/configs/etrax-100lx_v2_defconfig index 59f36a58f84..a85aabf92be 100644 --- a/arch/cris/configs/etrax-100lx_v2_defconfig +++ b/arch/cris/configs/etrax-100lx_v2_defconfig @@ -1,580 +1,43 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.24-rc3 -# Mon Dec 3 11:34:27 2007 -# -CONFIG_MMU=y -CONFIG_ZONE_DMA=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -CONFIG_GENERIC_IOMAP=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_NO_IOPORT=y -CONFIG_FORCE_MAX_ZONEORDER=6 -CONFIG_CRIS=y -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# CONFIG_EXPERIMENTAL=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_INIT_ENV_ARG_LIMIT=32 -CONFIG_LOCALVERSION="" -CONFIG_LOCALVERSION_AUTO=y # CONFIG_SWAP is not set -# CONFIG_SYSVIPC is not set -# CONFIG_POSIX_MQUEUE is not set -# CONFIG_BSD_PROCESS_ACCT is not set -# CONFIG_TASKSTATS is not set -# CONFIG_USER_NS is not set -# CONFIG_PID_NS is not set -# CONFIG_AUDIT is not set -# CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CGROUPS is not set -CONFIG_FAIR_GROUP_SCHED=y -CONFIG_FAIR_USER_SCHED=y -# CONFIG_FAIR_CGROUP_SCHED is not set -CONFIG_SYSFS_DEPRECATED=y -# CONFIG_RELAY is not set -# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_SYSCTL=y -CONFIG_EMBEDDED=y -CONFIG_UID16=y -CONFIG_SYSCTL_SYSCALL=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_ANON_INODES=y -CONFIG_EPOLL=y -CONFIG_SIGNALFD=y -CONFIG_EVENTFD=y -CONFIG_SHMEM=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_SLUB_DEBUG=y -# CONFIG_SLAB is not set -CONFIG_SLUB=y -# CONFIG_SLOB is not set -CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 -# CONFIG_MODULES is not set -CONFIG_BLOCK=y -# CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set # CONFIG_BLK_DEV_BSG is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set # CONFIG_IOSCHED_DEADLINE is not set -CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="cfq" - -# -# General setup -# -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set -CONFIG_GENERIC_HARDIRQS=y CONFIG_ETRAX_CMDLINE="root=/dev/mtdblock3 init=/linuxrc" -# CONFIG_ETRAX_WATCHDOG is not set CONFIG_ETRAX_FAST_TIMER=y -# CONFIG_ETRAX_KMALLOCED_MODULES is not set -# CONFIG_OOM_REBOOT is not set -CONFIG_PREEMPT_NONE=y -# CONFIG_PREEMPT_VOLUNTARY is not set -# CONFIG_PREEMPT is not set -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set -CONFIG_SPLIT_PTLOCK_CPUS=4 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y -CONFIG_VIRT_TO_BUS=y - -# -# Hardware setup -# -# CONFIG_ETRAX100LX is not set CONFIG_ETRAX100LX_V2=y -# CONFIG_SVINTO_SIM is not set -# CONFIG_ETRAXFS is not set -# CONFIG_CRIS_MACH_ARTPEC3 is not set -# CONFIG_ETRAX_VCS_SIM is not set -CONFIG_ETRAX_ARCH_V10=y -# CONFIG_ETRAX_ARCH_V32 is not set CONFIG_ETRAX_DRAM_SIZE=32 -CONFIG_ETRAX_FLASH_BUSWIDTH=2 -CONFIG_ETRAX_NANDFLASH_BUSWIDTH=1 CONFIG_ETRAX_FLASH1_SIZE=4 -# CONFIG_ETRAX_DEBUG_PORT0 is not set -# CONFIG_ETRAX_DEBUG_PORT1 is not set -# CONFIG_ETRAX_DEBUG_PORT2 is not set -# CONFIG_ETRAX_DEBUG_PORT3 is not set CONFIG_ETRAX_DEBUG_PORT_NULL=y - -# -# CRIS v10 options -# -CONFIG_ETRAX_DRAM_VIRTUAL_BASE=c0000000 -CONFIG_ETRAX_PA_LEDS=y -# CONFIG_ETRAX_PB_LEDS is not set -# CONFIG_ETRAX_CSP0_LEDS is not set -# CONFIG_ETRAX_NO_LEDS is not set -CONFIG_ETRAX_LED1G=2 -CONFIG_ETRAX_LED1R=3 -CONFIG_ETRAX_LED2G=4 -CONFIG_ETRAX_LED2R=5 -CONFIG_ETRAX_LED3G=2 -CONFIG_ETRAX_LED3R=2 -CONFIG_ETRAX_RESCUE_SER0=y -# CONFIG_ETRAX_RESCUE_SER1 is not set -# CONFIG_ETRAX_RESCUE_SER2 is not set -# CONFIG_ETRAX_RESCUE_SER3 is not set -CONFIG_ETRAX_DEF_R_WAITSTATES=95a6 -CONFIG_ETRAX_DEF_R_BUS_CONFIG=104 -# CONFIG_ETRAX_SDRAM is not set -CONFIG_ETRAX_DEF_R_DRAM_CONFIG=1a200040 -CONFIG_ETRAX_DEF_R_DRAM_TIMING=5611 -CONFIG_ETRAX_DEF_R_PORT_PA_DIR=1c -CONFIG_ETRAX_DEF_R_PORT_PA_DATA=00 -CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG=00 -CONFIG_ETRAX_DEF_R_PORT_PB_DIR=00 -CONFIG_ETRAX_DEF_R_PORT_PB_DATA=ff -# CONFIG_ETRAX_SOFT_SHUTDOWN is not set - -# -# Networking -# CONFIG_NET=y - -# -# Networking options -# CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y -CONFIG_XFRM=y -# CONFIG_XFRM_USER is not set -# CONFIG_XFRM_SUB_POLICY is not set -# CONFIG_XFRM_MIGRATE is not set -# CONFIG_NET_KEY is not set CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_FIB_HASH=y -# CONFIG_IP_PNP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_INET_XFRM_MODE_TRANSPORT=y -CONFIG_INET_XFRM_MODE_TUNNEL=y -CONFIG_INET_XFRM_MODE_BEET=y # CONFIG_INET_LRO is not set -CONFIG_INET_DIAG=y -CONFIG_INET_TCP_DIAG=y -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_CUBIC=y -CONFIG_DEFAULT_TCP_CONG="cubic" -# CONFIG_TCP_MD5SIG is not set -# CONFIG_IP_VS is not set # CONFIG_IPV6 is not set -# CONFIG_INET6_XFRM_TUNNEL is not set -# CONFIG_INET6_TUNNEL is not set -# CONFIG_NETWORK_SECMARK is not set CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set - -# -# Core Netfilter Configuration -# -# CONFIG_NETFILTER_NETLINK is not set -# CONFIG_NF_CONNTRACK_ENABLED is not set -# CONFIG_NF_CONNTRACK is not set -# CONFIG_NETFILTER_XTABLES is not set - -# -# IP: Netfilter Configuration -# -# CONFIG_IP_NF_QUEUE is not set -# CONFIG_IP_NF_IPTABLES is not set -# CONFIG_IP_NF_ARPTABLES is not set -# CONFIG_IP_DCCP is not set -# CONFIG_IP_SCTP is not set -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_AF_RXRPC is not set - -# -# Wireless -# -# CONFIG_CFG80211 is not set -# CONFIG_WIRELESS_EXT is not set -# CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set -# CONFIG_RFKILL is not set -# CONFIG_NET_9P is not set - -# -# Drivers for built-in interfaces -# CONFIG_ETRAX_ETHERNET=y CONFIG_ETRAX_SERIAL=y -# CONFIG_ETRAX_SERIAL_FAST_TIMER is not set -# CONFIG_ETRAX_SERIAL_FLUSH_DMA_FAST is not set -CONFIG_ETRAX_SERIAL_RX_TIMEOUT_TICKS=5 -# CONFIG_ETRAX_SERIAL_PORT0 is not set -# CONFIG_ETRAX_SERIAL_PORT1 is not set -# CONFIG_ETRAX_SERIAL_PORT2 is not set -# CONFIG_ETRAX_SERIAL_PORT3 is not set -# CONFIG_ETRAX_RS485 is not set -# CONFIG_ETRAX_IDE is not set -# CONFIG_ETRAX_USB_HOST is not set CONFIG_ETRAX_AXISFLASHMAP=y -CONFIG_ETRAX_PTABLE_SECTOR=65536 -# CONFIG_ETRAX_I2C is not set -# CONFIG_ETRAX_GPIO is not set -# CONFIG_ETRAX_RTC is not set -# CONFIG_ETRAX_NETWORK_LED_ON_WHEN_LINK is not set -CONFIG_ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY=y - -# -# Generic Driver Options -# -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_SYS_HYPERVISOR is not set -CONFIG_MTD=y -# CONFIG_MTD_DEBUG is not set -CONFIG_MTD_CONCAT=y -CONFIG_MTD_PARTITIONS=y -# CONFIG_MTD_REDBOOT_PARTS is not set -# CONFIG_MTD_CMDLINE_PARTS is not set - -# -# User Modules And Translation Layers -# -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLKDEVS=y -CONFIG_MTD_BLOCK=y -# CONFIG_FTL is not set -# CONFIG_NFTL is not set -# CONFIG_INFTL is not set -# CONFIG_RFD_FTL is not set -# CONFIG_SSFDC is not set -# CONFIG_MTD_OOPS is not set - -# -# RAM/ROM/Flash chip drivers -# -CONFIG_MTD_CFI=y CONFIG_MTD_JEDECPROBE=y -CONFIG_MTD_GEN_PROBE=y -# CONFIG_MTD_CFI_ADV_OPTIONS is not set -CONFIG_MTD_MAP_BANK_WIDTH_1=y -CONFIG_MTD_MAP_BANK_WIDTH_2=y -CONFIG_MTD_MAP_BANK_WIDTH_4=y -# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -CONFIG_MTD_CFI_I1=y -CONFIG_MTD_CFI_I2=y -# CONFIG_MTD_CFI_I4 is not set -# CONFIG_MTD_CFI_I8 is not set -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CFI_AMDSTD=y -# CONFIG_MTD_CFI_STAA is not set -CONFIG_MTD_CFI_UTIL=y CONFIG_MTD_RAM=y -# CONFIG_MTD_ROM is not set -# CONFIG_MTD_ABSENT is not set - -# -# Mapping drivers for chip access -# -CONFIG_MTD_COMPLEX_MAPPINGS=y -# CONFIG_MTD_PHYSMAP is not set -# CONFIG_MTD_PLATRAM is not set - -# -# Self-contained MTD device drivers -# -# CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_PHRAM is not set CONFIG_MTD_MTDRAM=y CONFIG_MTDRAM_TOTAL_SIZE=0 CONFIG_MTDRAM_ERASE_SIZE=64 CONFIG_MTDRAM_ABS_POS=0x0 -# CONFIG_MTD_BLOCK2MTD is not set - -# -# Disk-On-Chip Device Drivers -# -# CONFIG_MTD_DOC2000 is not set -# CONFIG_MTD_DOC2001 is not set -# CONFIG_MTD_DOC2001PLUS is not set -# CONFIG_MTD_NAND is not set -# CONFIG_MTD_ONENAND is not set - -# -# UBI - Unsorted block images -# -# CONFIG_MTD_UBI is not set -CONFIG_BLK_DEV=y -# CONFIG_BLK_DEV_COW_COMMON is not set -# CONFIG_BLK_DEV_LOOP is not set -# CONFIG_BLK_DEV_NBD is not set CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -# CONFIG_CDROM_PKTCDVD is not set -# CONFIG_ATA_OVER_ETH is not set CONFIG_NETDEVICES=y -# CONFIG_NETDEVICES_MULTIQUEUE is not set -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -# CONFIG_PHYLIB is not set -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -CONFIG_NETDEV_1000=y -CONFIG_NETDEV_10000=y - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set -# CONFIG_WAN is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_RTC_CLASS is not set - -# -# Input device support -# # CONFIG_INPUT is not set - -# -# Hardware I/O ports -# -CONFIG_SERIO=y # CONFIG_SERIO_I8042 is not set # CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_LIBPS2 is not set -# CONFIG_SERIO_RAW is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# # CONFIG_VT is not set -CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 -CONFIG_HW_RANDOM=y -# CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set -# CONFIG_R3964 is not set -# CONFIG_RAW_DRIVER is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set -# CONFIG_EXT3_FS is not set -# CONFIG_EXT4DEV_FS is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -# CONFIG_FS_POSIX_ACL is not set -# CONFIG_XFS_FS is not set -# CONFIG_GFS2_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set -CONFIG_DNOTIFY=y -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set -# CONFIG_FUSE_FS is not set - -# -# CD-ROM/DVD Filesystems -# -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -# CONFIG_MSDOS_FS is not set -# CONFIG_VFAT_FS is not set -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y -CONFIG_PROC_SYSCTL=y -CONFIG_SYSFS=y CONFIG_TMPFS=y -# CONFIG_TMPFS_POSIX_ACL is not set -# CONFIG_HUGETLB_PAGE is not set -# CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set CONFIG_JFFS2_FS=y -CONFIG_JFFS2_FS_DEBUG=0 -CONFIG_JFFS2_FS_WRITEBUFFER=y -# CONFIG_JFFS2_FS_WBUF_VERIFY is not set -# CONFIG_JFFS2_SUMMARY is not set -# CONFIG_JFFS2_FS_XATTR is not set -# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set -CONFIG_JFFS2_ZLIB=y -# CONFIG_JFFS2_LZO is not set -CONFIG_JFFS2_RTIME=y -# CONFIG_JFFS2_RUBIN is not set CONFIG_CRAMFS=y -# CONFIG_VXFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set -CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y -# CONFIG_NFS_V3_ACL is not set -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -# CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_SUNRPC_BIND34 is not set -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set -# CONFIG_DLM is not set - -# -# Kernel hacking -# -# CONFIG_PROFILING is not set -# CONFIG_SYSTEM_PROFILER is not set -# CONFIG_PRINTK_TIME is not set -CONFIG_ENABLE_WARN_DEPRECATED=y -CONFIG_ENABLE_MUST_CHECK=y -# CONFIG_MAGIC_SYSRQ is not set -# CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_HEADERS_CHECK is not set -# CONFIG_DEBUG_KERNEL is not set -# CONFIG_SLUB_DEBUG_ON is not set -# CONFIG_SAMPLES is not set - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set -# CONFIG_CRYPTO is not set - -# -# Library routines -# -CONFIG_BITREVERSE=y -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set -# CONFIG_CRC_ITU_T is not set -CONFIG_CRC32=y -# CONFIG_CRC7 is not set -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y -CONFIG_HAS_DMA=y diff --git a/arch/cris/configs/etraxfs_defconfig b/arch/cris/configs/etraxfs_defconfig index 73c646a3725..87c7227fecb 100644 --- a/arch/cris/configs/etraxfs_defconfig +++ b/arch/cris/configs/etraxfs_defconfig @@ -1,585 +1,40 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.24-rc3 -# Fri Nov 30 14:24:26 2007 -# -CONFIG_MMU=y -CONFIG_ZONE_DMA=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -CONFIG_GENERIC_IOMAP=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_NO_IOPORT=y -CONFIG_FORCE_MAX_ZONEORDER=6 -CONFIG_CRIS=y -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# CONFIG_EXPERIMENTAL=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_INIT_ENV_ARG_LIMIT=32 -CONFIG_LOCALVERSION="" -CONFIG_LOCALVERSION_AUTO=y # CONFIG_SWAP is not set -# CONFIG_SYSVIPC is not set -# CONFIG_POSIX_MQUEUE is not set -# CONFIG_BSD_PROCESS_ACCT is not set -# CONFIG_TASKSTATS is not set -# CONFIG_USER_NS is not set -# CONFIG_PID_NS is not set -# CONFIG_AUDIT is not set -# CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CGROUPS is not set -CONFIG_FAIR_GROUP_SCHED=y -CONFIG_FAIR_USER_SCHED=y -# CONFIG_FAIR_CGROUP_SCHED is not set -CONFIG_SYSFS_DEPRECATED=y -# CONFIG_RELAY is not set -# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_SYSCTL=y -CONFIG_EMBEDDED=y -CONFIG_UID16=y -CONFIG_SYSCTL_SYSCALL=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_ANON_INODES=y -CONFIG_EPOLL=y -CONFIG_SIGNALFD=y -CONFIG_EVENTFD=y -CONFIG_SHMEM=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_SLUB_DEBUG=y -# CONFIG_SLAB is not set -CONFIG_SLUB=y -# CONFIG_SLOB is not set -CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 -# CONFIG_MODULES is not set -CONFIG_BLOCK=y -# CONFIG_LBD is not set -# CONFIG_BLK_DEV_IO_TRACE is not set -# CONFIG_LSF is not set # CONFIG_BLK_DEV_BSG is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -# CONFIG_IOSCHED_AS is not set # CONFIG_IOSCHED_DEADLINE is not set -CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="cfq" - -# -# General setup -# -CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_MISC is not set -CONFIG_GENERIC_HARDIRQS=y CONFIG_ETRAX_CMDLINE="root=/dev/mtdblock3 init=/linuxrc" -# CONFIG_ETRAX_WATCHDOG is not set CONFIG_ETRAX_FAST_TIMER=y -# CONFIG_ETRAX_KMALLOCED_MODULES is not set -# CONFIG_OOM_REBOOT is not set -CONFIG_PREEMPT_NONE=y -# CONFIG_PREEMPT_VOLUNTARY is not set -# CONFIG_PREEMPT is not set -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set -# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set -CONFIG_SPLIT_PTLOCK_CPUS=4 -# CONFIG_RESOURCES_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y -CONFIG_VIRT_TO_BUS=y - -# -# Hardware setup -# -# CONFIG_ETRAX100LX is not set -# CONFIG_ETRAX100LX_V2 is not set -# CONFIG_SVINTO_SIM is not set CONFIG_ETRAXFS=y -# CONFIG_CRIS_MACH_ARTPEC3 is not set -# CONFIG_ETRAX_VCS_SIM is not set -# CONFIG_ETRAX_ARCH_V10 is not set -CONFIG_ETRAX_ARCH_V32=y CONFIG_ETRAX_DRAM_SIZE=32 -CONFIG_ETRAX_FLASH_BUSWIDTH=2 -CONFIG_ETRAX_NANDFLASH_BUSWIDTH=1 CONFIG_ETRAX_FLASH1_SIZE=4 -CONFIG_ETRAX_DEBUG_PORT0=y -# CONFIG_ETRAX_DEBUG_PORT1 is not set -# CONFIG_ETRAX_DEBUG_PORT2 is not set -# CONFIG_ETRAX_DEBUG_PORT3 is not set -# CONFIG_ETRAX_DEBUG_PORT_NULL is not set -CONFIG_ETRAX_DRAM_VIRTUAL_BASE=c0000000 - -# -# ETRAX FS options -# -CONFIG_ETRAX_SERIAL_PORTS=4 -CONFIG_ETRAX_MEM_GRP1_CONFIG=4044a -CONFIG_ETRAX_MEM_GRP2_CONFIG=0 -CONFIG_ETRAX_MEM_GRP3_CONFIG=0 -CONFIG_ETRAX_MEM_GRP4_CONFIG=0 -CONFIG_ETRAX_SDRAM_GRP0_CONFIG=336 -CONFIG_ETRAX_SDRAM_GRP1_CONFIG=0 -CONFIG_ETRAX_SDRAM_TIMING=104a -CONFIG_ETRAX_SDRAM_COMMAND=0 -CONFIG_ETRAX_DEF_GIO_PA_OE=1c -CONFIG_ETRAX_DEF_GIO_PA_OUT=00 -CONFIG_ETRAX_DEF_GIO_PB_OE=00000 -CONFIG_ETRAX_DEF_GIO_PB_OUT=00000 -CONFIG_ETRAX_DEF_GIO_PC_OE=00000 -CONFIG_ETRAX_DEF_GIO_PC_OUT=00000 -CONFIG_ETRAX_DEF_GIO_PD_OE=00000 -CONFIG_ETRAX_DEF_GIO_PD_OUT=00000 -CONFIG_ETRAX_DEF_GIO_PE_OE=00000 -CONFIG_ETRAX_DEF_GIO_PE_OUT=00000 -# CONFIG_CPU_FREQ is not set -# CONFIG_ETRAX_NBR_LED_GRP_ZERO is not set -CONFIG_ETRAX_NBR_LED_GRP_ONE=y -# CONFIG_ETRAX_NBR_LED_GRP_TWO is not set -CONFIG_ETRAX_LED_G_NET0="PA3" -CONFIG_ETRAX_LED_R_NET0="PA4" -CONFIG_ETRAX_V32_LED2G="PA5" -CONFIG_ETRAX_V32_LED2R="PA6" -CONFIG_ETRAX_V32_LED3G="PA7" -CONFIG_ETRAX_V32_LED3R="PA7" - -# -# Networking -# CONFIG_NET=y - -# -# Networking options -# CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y -CONFIG_XFRM=y -# CONFIG_XFRM_USER is not set -# CONFIG_XFRM_SUB_POLICY is not set -# CONFIG_XFRM_MIGRATE is not set -# CONFIG_NET_KEY is not set CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_FIB_HASH=y -# CONFIG_IP_PNP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set -CONFIG_INET_XFRM_MODE_TRANSPORT=y -CONFIG_INET_XFRM_MODE_TUNNEL=y -CONFIG_INET_XFRM_MODE_BEET=y # CONFIG_INET_LRO is not set -CONFIG_INET_DIAG=y -CONFIG_INET_TCP_DIAG=y -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_CUBIC=y -CONFIG_DEFAULT_TCP_CONG="cubic" -# CONFIG_TCP_MD5SIG is not set -# CONFIG_IP_VS is not set # CONFIG_IPV6 is not set -# CONFIG_INET6_XFRM_TUNNEL is not set -# CONFIG_INET6_TUNNEL is not set -# CONFIG_NETWORK_SECMARK is not set CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set - -# -# Core Netfilter Configuration -# -# CONFIG_NETFILTER_NETLINK is not set -# CONFIG_NF_CONNTRACK_ENABLED is not set -# CONFIG_NF_CONNTRACK is not set -# CONFIG_NETFILTER_XTABLES is not set - -# -# IP: Netfilter Configuration -# -# CONFIG_IP_NF_QUEUE is not set -# CONFIG_IP_NF_IPTABLES is not set -# CONFIG_IP_NF_ARPTABLES is not set -# CONFIG_IP_DCCP is not set -# CONFIG_IP_SCTP is not set -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_SCHED is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_AF_RXRPC is not set - -# -# Wireless -# -# CONFIG_CFG80211 is not set -# CONFIG_WIRELESS_EXT is not set -# CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set -# CONFIG_RFKILL is not set -# CONFIG_NET_9P is not set - -# -# Drivers for built-in interfaces -# CONFIG_ETRAX_ETHERNET=y -# CONFIG_ETRAX_IDE is not set CONFIG_ETRAX_AXISFLASHMAP=y -CONFIG_ETRAX_PTABLE_SECTOR=65536 -# CONFIG_ETRAX_I2C is not set -# CONFIG_ETRAX_GPIO is not set -# CONFIG_ETRAX_NO_PHY is not set -# CONFIG_ETRAX_ETHERNET_IFACE0 is not set -# CONFIG_ETRAX_ETHERNET_IFACE1 is not set -# CONFIG_ETRAXFS_SERIAL is not set -# CONFIG_ETRAX_SYNCHRONOUS_SERIAL is not set -# CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE is not set -# CONFIG_ETRAX_NANDFLASH is not set -# CONFIG_ETRAX_CARDBUS is not set -# CONFIG_ETRAX_IOP_FW_LOAD is not set -# CONFIG_ETRAX_STREAMCOPROC is not set -# CONFIG_ETRAX_SPI_MMC is not set -# CONFIG_ETRAX_SPI_MMC_BOARD is not set -# CONFIG_ETRAX_NETWORK_LED_ON_WHEN_LINK is not set -CONFIG_ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY=y - -# -# Generic Driver Options -# -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_SYS_HYPERVISOR is not set -CONFIG_MTD=y -# CONFIG_MTD_DEBUG is not set -CONFIG_MTD_CONCAT=y -CONFIG_MTD_PARTITIONS=y -# CONFIG_MTD_REDBOOT_PARTS is not set -# CONFIG_MTD_CMDLINE_PARTS is not set - -# -# User Modules And Translation Layers -# -CONFIG_MTD_CHAR=y -CONFIG_MTD_BLKDEVS=y -CONFIG_MTD_BLOCK=y -# CONFIG_FTL is not set -# CONFIG_NFTL is not set -# CONFIG_INFTL is not set -# CONFIG_RFD_FTL is not set -# CONFIG_SSFDC is not set -# CONFIG_MTD_OOPS is not set - -# -# RAM/ROM/Flash chip drivers -# -CONFIG_MTD_CFI=y -CONFIG_MTD_JEDECPROBE=y -CONFIG_MTD_GEN_PROBE=y -# CONFIG_MTD_CFI_ADV_OPTIONS is not set -CONFIG_MTD_MAP_BANK_WIDTH_1=y -CONFIG_MTD_MAP_BANK_WIDTH_2=y -CONFIG_MTD_MAP_BANK_WIDTH_4=y -# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -CONFIG_MTD_CFI_I1=y -CONFIG_MTD_CFI_I2=y -# CONFIG_MTD_CFI_I4 is not set -# CONFIG_MTD_CFI_I8 is not set -# CONFIG_MTD_CFI_INTELEXT is not set -CONFIG_MTD_CFI_AMDSTD=y -# CONFIG_MTD_CFI_STAA is not set -CONFIG_MTD_CFI_UTIL=y CONFIG_MTD_RAM=y -# CONFIG_MTD_ROM is not set -# CONFIG_MTD_ABSENT is not set - -# -# Mapping drivers for chip access -# -CONFIG_MTD_COMPLEX_MAPPINGS=y -# CONFIG_MTD_PHYSMAP is not set -# CONFIG_MTD_PLATRAM is not set - -# -# Self-contained MTD device drivers -# -# CONFIG_MTD_SLRAM is not set -# CONFIG_MTD_PHRAM is not set CONFIG_MTD_MTDRAM=y CONFIG_MTDRAM_TOTAL_SIZE=0 CONFIG_MTDRAM_ERASE_SIZE=64 CONFIG_MTDRAM_ABS_POS=0x0 -# CONFIG_MTD_BLOCK2MTD is not set - -# -# Disk-On-Chip Device Drivers -# -# CONFIG_MTD_DOC2000 is not set -# CONFIG_MTD_DOC2001 is not set -# CONFIG_MTD_DOC2001PLUS is not set -# CONFIG_MTD_NAND is not set -# CONFIG_MTD_ONENAND is not set - -# -# UBI - Unsorted block images -# -# CONFIG_MTD_UBI is not set -CONFIG_BLK_DEV=y -# CONFIG_BLK_DEV_COW_COMMON is not set -# CONFIG_BLK_DEV_LOOP is not set -# CONFIG_BLK_DEV_NBD is not set CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -# CONFIG_CDROM_PKTCDVD is not set -# CONFIG_ATA_OVER_ETH is not set CONFIG_NETDEVICES=y -# CONFIG_NETDEVICES_MULTIQUEUE is not set -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -# CONFIG_PHYLIB is not set -CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -CONFIG_NETDEV_1000=y -CONFIG_NETDEV_10000=y - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set -# CONFIG_WAN is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_RTC_CLASS is not set - -# -# Input device support -# # CONFIG_INPUT is not set - -# -# Hardware I/O ports -# -CONFIG_SERIO=y # CONFIG_SERIO_I8042 is not set # CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_LIBPS2 is not set -# CONFIG_SERIO_RAW is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# # CONFIG_VT is not set -CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 -CONFIG_HW_RANDOM=y -# CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set -# CONFIG_R3964 is not set -# CONFIG_RAW_DRIVER is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set -# CONFIG_EXT3_FS is not set -# CONFIG_EXT4DEV_FS is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -# CONFIG_FS_POSIX_ACL is not set -# CONFIG_XFS_FS is not set -# CONFIG_GFS2_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set -CONFIG_DNOTIFY=y -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set -# CONFIG_FUSE_FS is not set - -# -# CD-ROM/DVD Filesystems -# -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -# CONFIG_MSDOS_FS is not set -# CONFIG_VFAT_FS is not set -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y -CONFIG_PROC_SYSCTL=y -CONFIG_SYSFS=y CONFIG_TMPFS=y -# CONFIG_TMPFS_POSIX_ACL is not set -# CONFIG_HUGETLB_PAGE is not set -# CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set CONFIG_JFFS2_FS=y -CONFIG_JFFS2_FS_DEBUG=0 -CONFIG_JFFS2_FS_WRITEBUFFER=y -# CONFIG_JFFS2_FS_WBUF_VERIFY is not set -# CONFIG_JFFS2_SUMMARY is not set -# CONFIG_JFFS2_FS_XATTR is not set -# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set -CONFIG_JFFS2_ZLIB=y -# CONFIG_JFFS2_LZO is not set -CONFIG_JFFS2_RTIME=y -# CONFIG_JFFS2_RUBIN is not set CONFIG_CRAMFS=y -# CONFIG_VXFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set -CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y -# CONFIG_NFS_V3_ACL is not set -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -# CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_SUNRPC_BIND34 is not set -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set -# CONFIG_DLM is not set - -# -# Kernel hacking -# -# CONFIG_PROFILING is not set -# CONFIG_SYSTEM_PROFILER is not set -# CONFIG_PRINTK_TIME is not set -CONFIG_ENABLE_WARN_DEPRECATED=y -CONFIG_ENABLE_MUST_CHECK=y -# CONFIG_MAGIC_SYSRQ is not set -# CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_HEADERS_CHECK is not set -# CONFIG_DEBUG_KERNEL is not set -# CONFIG_SLUB_DEBUG_ON is not set -# CONFIG_SAMPLES is not set - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set -# CONFIG_CRYPTO is not set - -# -# Library routines -# -CONFIG_BITREVERSE=y -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set -# CONFIG_CRC_ITU_T is not set -CONFIG_CRC32=y -# CONFIG_CRC7 is not set -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_ZLIB_DEFLATE=y -CONFIG_PLIST=y -CONFIG_HAS_DMA=y diff --git a/arch/cris/include/arch-v10/arch/Kbuild b/arch/cris/include/arch-v10/arch/Kbuild index 7a192e1290b..1f0fc7a66f5 100644 --- a/arch/cris/include/arch-v10/arch/Kbuild +++ b/arch/cris/include/arch-v10/arch/Kbuild @@ -1,4 +1 @@ -header-y += user.h -header-y += svinto.h -header-y += sv_addr_ag.h -header-y += sv_addr.agh +# CRISv10 arch diff --git a/arch/cris/include/arch-v10/arch/bitops.h b/arch/cris/include/arch-v10/arch/bitops.h index be85f6de25d..03d9cfd92c8 100644 --- a/arch/cris/include/arch-v10/arch/bitops.h +++ b/arch/cris/include/arch-v10/arch/bitops.h @@ -17,7 +17,7 @@ static inline unsigned long cris_swapnwbrlz(unsigned long w) in another register: ! __asm__ ("swapnwbr %2\n\tlz %2,%0" ! : "=r,r" (res), "=r,X" (dummy) : "1,0" (w)); - confuses gcc (sched.c, gcc from cris-dist-1.14). */ + confuses gcc (core.c, gcc from cris-dist-1.14). */ unsigned long res; __asm__ ("swapnwbr %0 \n\t" diff --git a/arch/cris/include/arch-v10/arch/elf.h b/arch/cris/include/arch-v10/arch/elf.h index 1c38ee728b1..1eb638aeddb 100644 --- a/arch/cris/include/arch-v10/arch/elf.h +++ b/arch/cris/include/arch-v10/arch/elf.h @@ -1,6 +1,8 @@ #ifndef __ASMCRIS_ARCH_ELF_H #define __ASMCRIS_ARCH_ELF_H +#include <arch/system.h> + #define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 /* diff --git a/arch/cris/include/arch-v10/arch/io.h b/arch/cris/include/arch-v10/arch/io.h index f627ad0b8a3..4a724172877 100644 --- a/arch/cris/include/arch-v10/arch/io.h +++ b/arch/cris/include/arch-v10/arch/io.h @@ -1,8 +1,6 @@ #ifndef _ASM_ARCH_CRIS_IO_H #define _ASM_ARCH_CRIS_IO_H -#include <arch/svinto.h> - /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */ extern unsigned long gen_config_ii_shadow; @@ -34,7 +32,7 @@ extern volatile unsigned long *port_csp4_addr; /* The LED's on various Etrax-based products are set differently. */ -#if defined(CONFIG_ETRAX_NO_LEDS) || defined(CONFIG_SVINTO_SIM) +#if defined(CONFIG_ETRAX_NO_LEDS) #undef CONFIG_ETRAX_PA_LEDS #undef CONFIG_ETRAX_PB_LEDS #undef CONFIG_ETRAX_CSP0_LEDS @@ -171,29 +169,4 @@ extern volatile unsigned long *port_csp4_addr; #define SOFT_SHUTDOWN() #endif -/* Console I/O for simulated etrax100. Use #ifdef so erroneous - use will be evident. */ -#ifdef CONFIG_SVINTO_SIM - /* Let's use the ucsim interface since it lets us do write(2, ...) */ -#define SIMCOUT(s,len) \ - asm ("moveq 4,$r9 \n\t" \ - "moveq 2,$r10 \n\t" \ - "move.d %0,$r11 \n\t" \ - "move.d %1,$r12 \n\t" \ - "push $irp \n\t" \ - "move 0f,$irp \n\t" \ - "jump -6809 \n" \ - "0: \n\t" \ - "pop $irp" \ - : : "rm" (s), "rm" (len) : "r9","r10","r11","r12","memory") -#define TRACE_ON() __extension__ \ - ({ int _Foofoo; __asm__ volatile ("bmod [%0],%0" : "=r" (_Foofoo) : "0" \ - (255)); _Foofoo; }) - -#define TRACE_OFF() do { __asm__ volatile ("bmod [%0],%0" :: "r" (254)); } while (0) -#define SIM_END() do { __asm__ volatile ("bmod [%0],%0" :: "r" (28)); } while (0) -#define CRIS_CYCLES() __extension__ \ - ({ unsigned long c; asm ("bmod [%1],%0" : "=r" (c) : "r" (27)); c;}) -#endif /* ! defined CONFIG_SVINTO_SIM */ - #endif diff --git a/arch/cris/include/arch-v10/arch/irq.h b/arch/cris/include/arch-v10/arch/irq.h index 6248004eca1..6aecb835037 100644 --- a/arch/cris/include/arch-v10/arch/irq.h +++ b/arch/cris/include/arch-v10/arch/irq.h @@ -93,15 +93,16 @@ void set_break_vector(int n, irqvectptr addr); "push $r10\n\t" /* push orig_r10 */ \ "clear.d [$sp=$sp-4]\n\t" /* frametype - this is a normal stackframe */ - /* BLOCK_IRQ and UNBLOCK_IRQ do the same as mask_irq and unmask_irq */ +/* BLOCK_IRQ and UNBLOCK_IRQ do the same as + * crisv10_mask_irq and crisv10_unmask_irq */ #define BLOCK_IRQ(mask,nr) \ "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000d8]\n\t" - + "move.d $r0,[0xb00000d8]\n\t" + #define UNBLOCK_IRQ(mask) \ "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000dc]\n\t" + "move.d $r0,[0xb00000dc]\n\t" #define IRQ_NAME2(nr) nr##_interrupt(void) #define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) @@ -140,9 +141,9 @@ __asm__ ( \ * handler is run and it prioritizes the timer interrupt. However if we had BLOCK'ed * it here, we would not get the multiple_irq at all. * - * The non-blocking here is based on the knowledge that the timer interrupt is - * registred as a fast interrupt (IRQF_DISABLED) so that we _know_ there will not - * be an sti() before the timer irq handler is run to acknowledge the interrupt. + * The non-blocking here is based on the knowledge that the timer interrupt runs + * with interrupts disabled, and therefore there will not be an sti() before the + * timer irq handler is run to acknowledge the interrupt. */ #define BUILD_TIMER_IRQ(nr,mask) \ diff --git a/arch/cris/include/arch-v10/arch/irqflags.h b/arch/cris/include/arch-v10/arch/irqflags.h new file mode 100644 index 00000000000..75ef1899124 --- /dev/null +++ b/arch/cris/include/arch-v10/arch/irqflags.h @@ -0,0 +1,45 @@ +#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H +#define __ASM_CRIS_ARCH_IRQFLAGS_H + +#include <linux/types.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("move $ccr,%0" : "=rm" (flags) : : "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile("di" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile("ei" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("move %0,$ccr" : : "rm" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1 << 5)); +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */ diff --git a/arch/cris/include/arch-v10/arch/mmu.h b/arch/cris/include/arch-v10/arch/mmu.h index df84f1716e6..e829e5a37bb 100644 --- a/arch/cris/include/arch-v10/arch/mmu.h +++ b/arch/cris/include/arch-v10/arch/mmu.h @@ -33,10 +33,10 @@ typedef struct /* CRIS PTE bits (see R_TLB_LO in the register description) * - * Bit: 31-13 12-------4 3 2 1 0 - * ________________________________________________ - * | pfn | reserved | global | valid | kernel | we | - * |_____|__________|________|_______|________|_____| + * Bit: 31 30-13 12-------4 3 2 1 0 + * _______________________________________________________ + * | cache |pfn | reserved | global | valid | kernel | we | + * |_______|____|__________|________|_______|________|_____| * * (pfn = physical frame number) */ @@ -53,6 +53,7 @@ typedef struct #define _PAGE_VALID (1<<2) /* page is valid */ #define _PAGE_SILENT_READ (1<<2) /* synonym */ #define _PAGE_GLOBAL (1<<3) /* global page - context is ignored */ +#define _PAGE_NO_CACHE (1<<31) /* part of the uncached memory map */ /* Bits the HW doesn't care about but the kernel uses them in SW */ diff --git a/arch/cris/include/arch-v10/arch/processor.h b/arch/cris/include/arch-v10/arch/processor.h index cc692c7a066..93feb2a487d 100644 --- a/arch/cris/include/arch-v10/arch/processor.h +++ b/arch/cris/include/arch-v10/arch/processor.h @@ -53,7 +53,6 @@ struct thread_struct { */ #define start_thread(regs, ip, usp) do { \ - set_fs(USER_DS); \ regs->irp = ip; \ regs->dccr |= 1 << U_DCCR_BITNR; \ wrusp(usp); \ diff --git a/arch/cris/include/arch-v10/arch/ptrace.h b/arch/cris/include/arch-v10/arch/ptrace.h index 2f464eab3a5..1a232739565 100644 --- a/arch/cris/include/arch-v10/arch/ptrace.h +++ b/arch/cris/include/arch-v10/arch/ptrace.h @@ -112,7 +112,6 @@ struct switch_stack { #define user_mode(regs) (((regs)->dccr & 0x100) != 0) #define instruction_pointer(regs) ((regs)->irp) #define profile_pc(regs) instruction_pointer(regs) -extern void show_regs(struct pt_regs *); #endif /* __KERNEL__ */ diff --git a/arch/cris/include/arch-v10/arch/system.h b/arch/cris/include/arch-v10/arch/system.h index 4a9cd36c9e1..935fde34aa1 100644 --- a/arch/cris/include/arch-v10/arch/system.h +++ b/arch/cris/include/arch-v10/arch/system.h @@ -44,20 +44,4 @@ static inline unsigned long _get_base(char * addr) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((struct __xchg_dummy *)(x)) -/* interrupt control.. */ -#define local_save_flags(x) __asm__ __volatile__ ("move $ccr,%0" : "=rm" (x) : : "memory"); -#define local_irq_restore(x) __asm__ __volatile__ ("move %0,$ccr" : : "rm" (x) : "memory"); -#define local_irq_disable() __asm__ __volatile__ ( "di" : : :"memory"); -#define local_irq_enable() __asm__ __volatile__ ( "ei" : : :"memory"); - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - !(flags & (1<<5)); \ -}) - -/* For spinlocks etc */ -#define local_irq_save(x) __asm__ __volatile__ ("move $ccr,%0\n\tdi" : "=rm" (x) : : "memory"); - #endif diff --git a/arch/cris/include/arch-v32/arch/Kbuild b/arch/cris/include/arch-v32/arch/Kbuild index 35f2fc4f993..2fd65c7e15c 100644 --- a/arch/cris/include/arch-v32/arch/Kbuild +++ b/arch/cris/include/arch-v32/arch/Kbuild @@ -1,2 +1 @@ -header-y += user.h -header-y += cryptocop.h +# CRISv32 arch diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h index dfc73050e6b..7caf25d58e6 100644 --- a/arch/cris/include/arch-v32/arch/cache.h +++ b/arch/cris/include/arch-v32/arch/cache.h @@ -7,6 +7,8 @@ #define L1_CACHE_BYTES 32 #define L1_CACHE_SHIFT 5 +#define __read_mostly __attribute__((__section__(".data..read_mostly"))) + void flush_dma_list(dma_descr_data *descr); void flush_dma_descr(dma_descr_data *descr, int flush_buf); diff --git a/arch/cris/include/arch-v32/arch/cryptocop.h b/arch/cris/include/arch-v32/arch/cryptocop.h index e1cd83dfabb..716e434e926 100644 --- a/arch/cris/include/arch-v32/arch/cryptocop.h +++ b/arch/cris/include/arch-v32/arch/cryptocop.h @@ -2,124 +2,12 @@ * The device /dev/cryptocop is accessible using this driver using * CRYPTOCOP_MAJOR (254) and minor number 0. */ - #ifndef CRYPTOCOP_H #define CRYPTOCOP_H -#include <linux/uio.h> - - -#define CRYPTOCOP_SESSION_ID_NONE (0) - -typedef unsigned long long int cryptocop_session_id; - -/* cryptocop ioctls */ -#define ETRAXCRYPTOCOP_IOCTYPE (250) - -#define CRYPTOCOP_IO_CREATE_SESSION _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 1, struct strcop_session_op) -#define CRYPTOCOP_IO_CLOSE_SESSION _IOW(ETRAXCRYPTOCOP_IOCTYPE, 2, struct strcop_session_op) -#define CRYPTOCOP_IO_PROCESS_OP _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 3, struct strcop_crypto_op) -#define CRYPTOCOP_IO_MAXNR (3) - -typedef enum { - cryptocop_cipher_des = 0, - cryptocop_cipher_3des = 1, - cryptocop_cipher_aes = 2, - cryptocop_cipher_m2m = 3, /* mem2mem is essentially a NULL cipher with blocklength=1 */ - cryptocop_cipher_none -} cryptocop_cipher_type; - -typedef enum { - cryptocop_digest_sha1 = 0, - cryptocop_digest_md5 = 1, - cryptocop_digest_none -} cryptocop_digest_type; - -typedef enum { - cryptocop_csum_le = 0, - cryptocop_csum_be = 1, - cryptocop_csum_none -} cryptocop_csum_type; - -typedef enum { - cryptocop_cipher_mode_ecb = 0, - cryptocop_cipher_mode_cbc, - cryptocop_cipher_mode_none -} cryptocop_cipher_mode; - -typedef enum { - cryptocop_3des_eee = 0, - cryptocop_3des_eed = 1, - cryptocop_3des_ede = 2, - cryptocop_3des_edd = 3, - cryptocop_3des_dee = 4, - cryptocop_3des_ded = 5, - cryptocop_3des_dde = 6, - cryptocop_3des_ddd = 7 -} cryptocop_3des_mode; - -/* Usermode accessible (ioctl) operations. */ -struct strcop_session_op{ - cryptocop_session_id ses_id; - - cryptocop_cipher_type cipher; /* AES, DES, 3DES, m2m, none */ - - cryptocop_cipher_mode cmode; /* ECB, CBC, none */ - cryptocop_3des_mode des3_mode; - - cryptocop_digest_type digest; /* MD5, SHA1, none */ - - cryptocop_csum_type csum; /* BE, LE, none */ - - unsigned char *key; - size_t keylen; -}; - -#define CRYPTOCOP_CSUM_LENGTH (2) -#define CRYPTOCOP_MAX_DIGEST_LENGTH (20) /* SHA-1 20, MD5 16 */ -#define CRYPTOCOP_MAX_IV_LENGTH (16) /* (3)DES==8, AES == 16 */ -#define CRYPTOCOP_MAX_KEY_LENGTH (32) - -struct strcop_crypto_op{ - cryptocop_session_id ses_id; - - /* Indata. */ - unsigned char *indata; - size_t inlen; /* Total indata length. */ - - /* Cipher configuration. */ - unsigned char do_cipher:1; - unsigned char decrypt:1; /* 1 == decrypt, 0 == encrypt */ - unsigned char cipher_explicit:1; - size_t cipher_start; - size_t cipher_len; - /* cipher_iv is used if do_cipher and cipher_explicit and the cipher - mode is CBC. The length is controlled by the type of cipher, - e.g. DES/3DES 8 octets and AES 16 octets. */ - unsigned char cipher_iv[CRYPTOCOP_MAX_IV_LENGTH]; - /* Outdata. */ - unsigned char *cipher_outdata; - size_t cipher_outlen; - - /* digest configuration. */ - unsigned char do_digest:1; - size_t digest_start; - size_t digest_len; - /* Outdata. The actual length is determined by the type of the digest. */ - unsigned char digest[CRYPTOCOP_MAX_DIGEST_LENGTH]; - - /* Checksum configuration. */ - unsigned char do_csum:1; - size_t csum_start; - size_t csum_len; - /* Outdata. */ - unsigned char csum[CRYPTOCOP_CSUM_LENGTH]; -}; +#include <uapi/arch-v32/arch/cryptocop.h> - -#ifdef __KERNEL__ - /********** The API to use from inside the kernel. ************/ #include <arch/hwregs/dma.h> @@ -267,6 +155,4 @@ int cryptocop_job_queue_insert_crypto(struct cryptocop_operation *operation); int cryptocop_job_queue_insert_user_job(struct cryptocop_operation *operation); -#endif /* __KERNEL__ */ - #endif /* CRYPTOCOP_H */ diff --git a/arch/cris/include/arch-v32/arch/dma.h b/arch/cris/include/arch-v32/arch/dma.h index 3674081389f..6f92f4f23f2 100644 --- a/arch/cris/include/arch-v32/arch/dma.h +++ b/arch/cris/include/arch-v32/arch/dma.h @@ -1,79 +1 @@ -#ifndef _ASM_ARCH_CRIS_DMA_H -#define _ASM_ARCH_CRIS_DMA_H - -/* Defines for using and allocating dma channels. */ - -#define MAX_DMA_CHANNELS 10 - -#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */ -#define NETWORK_ETH0 RX_DMA_NBR 1 /* Ethernet 0 in. */ - -#define IO_PROC_DMA0_TX_DMA_NBR 2 /* IO processor DMA0 out. */ -#define IO_PROC_DMA0_RX_DMA_NBR 3 /* IO processor DMA0 in. */ - -#define ATA_TX_DMA_NBR 2 /* ATA interface out. */ -#define ATA_RX_DMA_NBR 3 /* ATA interface in. */ - -#define ASYNC_SER2_TX_DMA_NBR 2 /* Asynchronous serial port 2 out. */ -#define ASYNC_SER2_RX_DMA_NBR 3 /* Asynchronous serial port 2 in. */ - -#define IO_PROC_DMA1_TX_DMA_NBR 4 /* IO processor DMA1 out. */ -#define IO_PROC_DMA1_RX_DMA_NBR 5 /* IO processor DMA1 in. */ - -#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ -#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ - -#define SYNC_SER0_TX_DMA_NBR 4 /* Synchronous serial port 0 out. */ -#define SYNC_SER0_RX_DMA_NBR 5 /* Synchronous serial port 0 in. */ - -#define EXTDMA0_TX_DMA_NBR 6 /* External DMA 0 out. */ -#define EXTDMA1_RX_DMA_NBR 7 /* External DMA 1 in. */ - -#define ASYNC_SER0_TX_DMA_NBR 6 /* Asynchronous serial port 0 out. */ -#define ASYNC_SER0_RX_DMA_NBR 7 /* Asynchronous serial port 0 in. */ - -#define SYNC_SER1_TX_DMA_NBR 6 /* Synchronous serial port 1 out. */ -#define SYNC_SER1_RX_DMA_NBR 7 /* Synchronous serial port 1 in. */ - -#define NETWORK_ETH1_TX_DMA_NBR 6 /* Ethernet 1 out. */ -#define NETWORK_ETH1_RX_DMA_NBR 7 /* Ethernet 1 in. */ - -#define EXTDMA2_TX_DMA_NBR 8 /* External DMA 2 out. */ -#define EXTDMA3_RX_DMA_NBR 9 /* External DMA 3 in. */ - -#define STRCOP_TX_DMA_NBR 8 /* Stream co-processor out. */ -#define STRCOP_RX_DMA_NBR 9 /* Stream co-processor in. */ - -#define ASYNC_SER3_TX_DMA_NBR 8 /* Asynchronous serial port 3 out. */ -#define ASYNC_SER3_RX_DMA_NBR 9 /* Asynchronous serial port 3 in. */ - -enum dma_owner -{ - dma_eth0, - dma_eth1, - dma_iop0, - dma_iop1, - dma_ser0, - dma_ser1, - dma_ser2, - dma_ser3, - dma_sser0, - dma_sser1, - dma_ata, - dma_strp, - dma_ext0, - dma_ext1, - dma_ext2, - dma_ext3 -}; - -int crisv32_request_dma(unsigned int dmanr, const char * device_id, - unsigned options, unsigned bandwidth, enum dma_owner owner); -void crisv32_free_dma(unsigned int dmanr); - -/* Masks used by crisv32_request_dma options: */ -#define DMA_VERBOSE_ON_ERROR 1 -#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR) -#define DMA_INT_MEM 4 - -#endif /* _ASM_ARCH_CRIS_DMA_H */ +#include <mach/dma.h> diff --git a/arch/cris/include/arch-v32/arch/elf.h b/arch/cris/include/arch-v32/arch/elf.h index 1324e505a4d..c46d5829116 100644 --- a/arch/cris/include/arch-v32/arch/elf.h +++ b/arch/cris/include/arch-v32/arch/elf.h @@ -1,6 +1,8 @@ #ifndef _ASM_CRIS_ELF_H #define _ASM_CRIS_ELF_H +#include <arch/system.h> + #define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32 /* diff --git a/arch/cris/include/arch-v32/arch/hwregs/Makefile b/arch/cris/include/arch-v32/arch/hwregs/Makefile index f9a05d2aa06..b8b3f8d666e 100644 --- a/arch/cris/include/arch-v32/arch/hwregs/Makefile +++ b/arch/cris/include/arch-v32/arch/hwregs/Makefile @@ -1,6 +1,6 @@ # Makefile to generate or copy the latest register definitions # and related datastructures and helpermacros. -# The offical place for these files is at: +# The official place for these files is at: RELEASE ?= r1_alfa5 OFFICIAL_INCDIR = /n/asic/projects/guinness/releases/$(RELEASE)/design/top/sw/include/ diff --git a/arch/cris/include/arch-v32/arch/hwregs/dma.h b/arch/cris/include/arch-v32/arch/hwregs/dma.h index 3ce322b5c73..52bf67907f2 100644 --- a/arch/cris/include/arch-v32/arch/hwregs/dma.h +++ b/arch/cris/include/arch-v32/arch/hwregs/dma.h @@ -7,7 +7,7 @@ #define dma_h /* registers */ /* Really needed, since both are listed in sw.list? */ -#include "dma_defs.h" +#include <arch/hwregs/dma_defs.h> /* descriptors */ diff --git a/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile b/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile index a90056a095e..0747a22e3c0 100644 --- a/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile +++ b/arch/cris/include/arch-v32/arch/hwregs/iop/Makefile @@ -1,7 +1,7 @@ # $Id: Makefile,v 1.3 2004/01/07 20:34:55 johana Exp $ # Makefile to generate or copy the latest register definitions # and related datastructures and helpermacros. -# The offical place for these files is probably at: +# The official place for these files is probably at: RELEASE ?= r1_alfa5 IOPOFFICIAL_INCDIR = /n/asic/projects/guinness/releases/$(RELEASE)/design/top/sw/include/ diff --git a/arch/cris/include/arch-v32/arch/io.h b/arch/cris/include/arch-v32/arch/io.h index 72024452cea..adc5484351b 100644 --- a/arch/cris/include/arch-v32/arch/io.h +++ b/arch/cris/include/arch-v32/arch/io.h @@ -46,10 +46,12 @@ static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val) unsigned long flags; spin_lock_irqsave(&iopin->port->lock, flags); - if (val) - *iopin->port->data |= iopin->bit; - else - *iopin->port->data &= ~iopin->bit; + if (iopin->port->data) { + if (val) + *iopin->port->data |= iopin->bit; + else + *iopin->port->data &= ~iopin->bit; + } spin_unlock_irqrestore(&iopin->port->lock, flags); } @@ -60,10 +62,12 @@ static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin, unsigned long flags; spin_lock_irqsave(&iopin->port->lock, flags); - if (dir == crisv32_io_dir_in) - *iopin->port->oe &= ~iopin->bit; - else - *iopin->port->oe |= iopin->bit; + if (iopin->port->oe) { + if (dir == crisv32_io_dir_in) + *iopin->port->oe &= ~iopin->bit; + else + *iopin->port->oe |= iopin->bit; + } spin_unlock_irqrestore(&iopin->port->lock, flags); } diff --git a/arch/cris/include/arch-v32/arch/irq.h b/arch/cris/include/arch-v32/arch/irq.h index 9e4c9fbdfdd..0c1b4d3a34e 100644 --- a/arch/cris/include/arch-v32/arch/irq.h +++ b/arch/cris/include/arch-v32/arch/irq.h @@ -23,8 +23,8 @@ struct etrax_interrupt_vector { extern struct etrax_interrupt_vector *etrax_irv; /* head.S */ -void mask_irq(int irq); -void unmask_irq(int irq); +void crisv32_mask_irq(int irq); +void crisv32_unmask_irq(int irq); void set_exception_vector(int n, irqvectptr addr); @@ -102,9 +102,9 @@ __asm__ ( \ * multiple_irq handler is run and it prioritizes the timer interrupt. However * if we had BLOCK'edit here, we would not get the multiple_irq at all. * - * The non-blocking here is based on the knowledge that the timer interrupt is - * registred as a fast interrupt (IRQF_DISABLED) so that we _know_ there will not - * be an sti() before the timer irq handler is run to acknowledge the interrupt. + * The non-blocking here is based on the knowledge that the timer interrupt runs + * with interrupts disabled, and therefore there will not be an sti() before the + * timer irq handler is run to acknowledge the interrupt. */ #define BUILD_TIMER_IRQ(nr, mask) \ void IRQ_NAME(nr); \ diff --git a/arch/cris/include/arch-v32/arch/irqflags.h b/arch/cris/include/arch-v32/arch/irqflags.h new file mode 100644 index 00000000000..041851f8ec6 --- /dev/null +++ b/arch/cris/include/arch-v32/arch/irqflags.h @@ -0,0 +1,46 @@ +#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H +#define __ASM_CRIS_ARCH_IRQFLAGS_H + +#include <linux/types.h> +#include <arch/ptrace.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("move $ccs,%0" : "=rm" (flags) : : "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile("di" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile("ei" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("move %0,$ccs" : : "rm" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1 << I_CCS_BITNR)); +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */ diff --git a/arch/cris/include/arch-v32/arch/memmap.h b/arch/cris/include/arch-v32/arch/memmap.h index d29df5644d3..81985c0a678 100644 --- a/arch/cris/include/arch-v32/arch/memmap.h +++ b/arch/cris/include/arch-v32/arch/memmap.h @@ -1,24 +1 @@ -#ifndef _ASM_ARCH_MEMMAP_H -#define _ASM_ARCH_MEMMAP_H - -#define MEM_CSE0_START (0x00000000) -#define MEM_CSE0_SIZE (0x04000000) -#define MEM_CSE1_START (0x04000000) -#define MEM_CSE1_SIZE (0x04000000) -#define MEM_CSR0_START (0x08000000) -#define MEM_CSR1_START (0x0c000000) -#define MEM_CSP0_START (0x10000000) -#define MEM_CSP1_START (0x14000000) -#define MEM_CSP2_START (0x18000000) -#define MEM_CSP3_START (0x1c000000) -#define MEM_CSP4_START (0x20000000) -#define MEM_CSP5_START (0x24000000) -#define MEM_CSP6_START (0x28000000) -#define MEM_CSP7_START (0x2c000000) -#define MEM_INTMEM_START (0x38000000) -#define MEM_INTMEM_SIZE (0x00020000) -#define MEM_DRAM_START (0x40000000) - -#define MEM_NON_CACHEABLE (0x80000000) - -#endif +#include <mach/memmap.h> diff --git a/arch/cris/include/arch-v32/arch/mmu.h b/arch/cris/include/arch-v32/arch/mmu.h index 6bcdc3fdf7d..c1a13e05e96 100644 --- a/arch/cris/include/arch-v32/arch/mmu.h +++ b/arch/cris/include/arch-v32/arch/mmu.h @@ -28,10 +28,10 @@ typedef struct /* * CRISv32 PTE bits: * - * Bit: 31-13 12-5 4 3 2 1 0 - * +-----+------+--------+-------+--------+-------+---------+ - * | pfn | zero | global | valid | kernel | write | execute | - * +-----+------+--------+-------+--------+-------+---------+ + * Bit: 31 30-13 12-5 4 3 2 1 0 + * +-------+-----+------+--------+-------+--------+-------+---------+ + * | cache | pfn | zero | global | valid | kernel | write | execute | + * +-------+-----+------+--------+-------+--------+-------+---------+ */ /* @@ -45,6 +45,8 @@ typedef struct #define _PAGE_VALID (1 << 3) /* Page is valid. */ #define _PAGE_SILENT_READ (1 << 3) /* Same as above. */ #define _PAGE_GLOBAL (1 << 4) /* Global page. */ +#define _PAGE_NO_CACHE (1 << 31) /* part of the uncached memory map */ + /* * The hardware doesn't care about these bits, but the kernel uses them in diff --git a/arch/cris/include/arch-v32/arch/page.h b/arch/cris/include/arch-v32/arch/page.h index 20f1b4806bf..e5b5aab52de 100644 --- a/arch/cris/include/arch-v32/arch/page.h +++ b/arch/cris/include/arch-v32/arch/page.h @@ -11,13 +11,8 @@ * selected bit it's possible to convert between KSEG_x and 0x40000000 where the * DRAM really resides. DRAM is virtually at 0xc. */ -#ifndef CONFIG_ETRAX_VCS_SIM #define __pa(x) ((unsigned long)(x) & 0x7fffffff) #define __va(x) ((void *)((unsigned long)(x) | 0x80000000)) -#else -#define __pa(x) ((unsigned long)(x) & 0x3fffffff) -#define __va(x) ((void *)((unsigned long)(x) | 0xc0000000)) -#endif #define VM_STACK_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ VM_MAYREAD | VM_MAYWRITE) diff --git a/arch/cris/include/arch-v32/arch/pgtable.h b/arch/cris/include/arch-v32/arch/pgtable.h index 08cb7ff7e4e..c1051a8da33 100644 --- a/arch/cris/include/arch-v32/arch/pgtable.h +++ b/arch/cris/include/arch-v32/arch/pgtable.h @@ -2,8 +2,16 @@ #define _ASM_CRIS_ARCH_PGTABLE_H /* Define the kernels virtual memory area. */ + +/* See head.S for differences between ARTPEC-3 and ETRAX FS. */ +#ifdef CONFIG_CRIS_MACH_ARTPEC3 +#define VMALLOC_START KSEG_E +#define VMALLOC_END KSEG_F +#else #define VMALLOC_START KSEG_D #define VMALLOC_END KSEG_E +#endif + #define VMALLOC_VMADDR(x) ((unsigned long)(x)) #endif /* _ASM_CRIS_ARCH_PGTABLE_H */ diff --git a/arch/cris/include/arch-v32/arch/processor.h b/arch/cris/include/arch-v32/arch/processor.h index f80b47790ca..a024b7d32fe 100644 --- a/arch/cris/include/arch-v32/arch/processor.h +++ b/arch/cris/include/arch-v32/arch/processor.h @@ -21,13 +21,9 @@ struct thread_struct { /* * User-space process size. This is hardcoded into a few places, so don't - * changed it unless everything's clear! + * change it unless everything's clear! */ -#ifndef CONFIG_ETRAX_VCS_SIM #define TASK_SIZE (0xB0000000UL) -#else -#define TASK_SIZE (0xA0000000UL) -#endif /* CCS I=1, enable interrupts. */ #define INIT_THREAD { 0, 0, (1 << I_CCS_BITNR) } @@ -47,7 +43,6 @@ struct thread_struct { */ #define start_thread(regs, ip, usp) \ do { \ - set_fs(USER_DS); \ regs->erp = ip; \ regs->ccs |= 1 << (U_CCS_BITNR + CCS_SHIFT); \ wrusp(usp); \ diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h index 41f4e8662bc..19773d3bd4c 100644 --- a/arch/cris/include/arch-v32/arch/ptrace.h +++ b/arch/cris/include/arch-v32/arch/ptrace.h @@ -108,9 +108,9 @@ struct switch_stack { #ifdef __KERNEL__ +#define arch_has_single_step() (1) #define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0) #define instruction_pointer(regs) ((regs)->erp) -extern void show_regs(struct pt_regs *); #define profile_pc(regs) instruction_pointer(regs) #endif /* __KERNEL__ */ diff --git a/arch/cris/include/arch-v32/arch/spinlock.h b/arch/cris/include/arch-v32/arch/spinlock.h index 129756b9666..f13275522f4 100644 --- a/arch/cris/include/arch-v32/arch/spinlock.h +++ b/arch/cris/include/arch-v32/arch/spinlock.h @@ -9,12 +9,12 @@ extern void cris_spin_unlock(void *l, int val); extern void cris_spin_lock(void *l); extern int cris_spin_trylock(void *l); -static inline int __raw_spin_is_locked(raw_spinlock_t *x) +static inline int arch_spin_is_locked(arch_spinlock_t *x) { return *(volatile signed char *)(&(x)->slock) <= 0; } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { __asm__ volatile ("move.d %1,%0" \ : "=m" (lock->slock) \ @@ -22,26 +22,26 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) : "memory"); } -static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock) +static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) { - while (__raw_spin_is_locked(lock)) + while (arch_spin_is_locked(lock)) cpu_relax(); } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { return cris_spin_trylock((void *)&lock->slock); } -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { cris_spin_lock((void *)&lock->slock); } static inline void -__raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) +arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { - __raw_spin_lock(lock); + arch_spin_lock(lock); } /* @@ -56,76 +56,76 @@ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) * */ -static inline int __raw_read_can_lock(raw_rwlock_t *x) +static inline int arch_read_can_lock(arch_rwlock_t *x) { return (int)(x)->lock > 0; } -static inline int __raw_write_can_lock(raw_rwlock_t *x) +static inline int arch_write_can_lock(arch_rwlock_t *x) { return (x)->lock == RW_LOCK_BIAS; } -static inline void __raw_read_lock(raw_rwlock_t *rw) +static inline void arch_read_lock(arch_rwlock_t *rw) { - __raw_spin_lock(&rw->slock); + arch_spin_lock(&rw->slock); while (rw->lock == 0); rw->lock--; - __raw_spin_unlock(&rw->slock); + arch_spin_unlock(&rw->slock); } -static inline void __raw_write_lock(raw_rwlock_t *rw) +static inline void arch_write_lock(arch_rwlock_t *rw) { - __raw_spin_lock(&rw->slock); + arch_spin_lock(&rw->slock); while (rw->lock != RW_LOCK_BIAS); - rw->lock == 0; - __raw_spin_unlock(&rw->slock); + rw->lock = 0; + arch_spin_unlock(&rw->slock); } -static inline void __raw_read_unlock(raw_rwlock_t *rw) +static inline void arch_read_unlock(arch_rwlock_t *rw) { - __raw_spin_lock(&rw->slock); + arch_spin_lock(&rw->slock); rw->lock++; - __raw_spin_unlock(&rw->slock); + arch_spin_unlock(&rw->slock); } -static inline void __raw_write_unlock(raw_rwlock_t *rw) +static inline void arch_write_unlock(arch_rwlock_t *rw) { - __raw_spin_lock(&rw->slock); + arch_spin_lock(&rw->slock); while (rw->lock != RW_LOCK_BIAS); - rw->lock == RW_LOCK_BIAS; - __raw_spin_unlock(&rw->slock); + rw->lock = RW_LOCK_BIAS; + arch_spin_unlock(&rw->slock); } -static inline int __raw_read_trylock(raw_rwlock_t *rw) +static inline int arch_read_trylock(arch_rwlock_t *rw) { int ret = 0; - __raw_spin_lock(&rw->slock); + arch_spin_lock(&rw->slock); if (rw->lock != 0) { rw->lock--; ret = 1; } - __raw_spin_unlock(&rw->slock); + arch_spin_unlock(&rw->slock); return ret; } -static inline int __raw_write_trylock(raw_rwlock_t *rw) +static inline int arch_write_trylock(arch_rwlock_t *rw) { int ret = 0; - __raw_spin_lock(&rw->slock); + arch_spin_lock(&rw->slock); if (rw->lock == RW_LOCK_BIAS) { - rw->lock == 0; + rw->lock = 0; ret = 1; } - __raw_spin_unlock(&rw->slock); - return 1; + arch_spin_unlock(&rw->slock); + return ret; } #define _raw_read_lock_flags(lock, flags) _raw_read_lock(lock) #define _raw_write_lock_flags(lock, flags) _raw_write_lock(lock) -#define _raw_spin_relax(lock) cpu_relax() -#define _raw_read_relax(lock) cpu_relax() -#define _raw_write_relax(lock) cpu_relax() +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() #endif /* __ASM_ARCH_SPINLOCK_H */ diff --git a/arch/cris/include/arch-v32/arch/system.h b/arch/cris/include/arch-v32/arch/system.h index 6ca90f1f110..db853fb3a45 100644 --- a/arch/cris/include/arch-v32/arch/system.h +++ b/arch/cris/include/arch-v32/arch/system.h @@ -34,36 +34,4 @@ static inline unsigned long rdsp(void) /* Write the user-mode stack pointer. */ #define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp)) -#define nop() __asm__ __volatile__ ("nop"); - -#define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((unsigned long) (x),(ptr),sizeof(*(ptr)))) - -#define tas(ptr) (xchg((ptr),1)) - -struct __xchg_dummy { unsigned long a[100]; }; -#define __xg(x) ((struct __xchg_dummy *)(x)) - -/* Used for interrupt control. */ -#define local_save_flags(x) \ - __asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory"); - -#define local_irq_restore(x) \ - __asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory"); - -#define local_irq_disable() __asm__ __volatile__ ("di" : : : "memory"); -#define local_irq_enable() __asm__ __volatile__ ("ei" : : : "memory"); - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - \ - local_save_flags(flags);\ - !(flags & (1 << I_CCS_BITNR)); \ -}) - -/* Used for spinlocks, etc. */ -#define local_irq_save(x) \ - __asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory"); - #endif /* _ASM_CRIS_ARCH_SYSTEM_H */ diff --git a/arch/cris/include/arch-v32/arch/uaccess.h b/arch/cris/include/arch-v32/arch/uaccess.h index 6b207f1b662..3196019706c 100644 --- a/arch/cris/include/arch-v32/arch/uaccess.h +++ b/arch/cris/include/arch-v32/arch/uaccess.h @@ -122,14 +122,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm__ __volatile__ ( " move.d %3,%0\n" "5: move.b [%2+],$acr\n" - "1: beq 2f\n" + "1: beq 6f\n" " move.b $acr,[%1+]\n" " subq 1,%0\n" "2: bne 1b\n" " move.b [%2+],$acr\n" - " sub.d %3,%0\n" + "6: sub.d %3,%0\n" " neg.d %0,%0\n" "3:\n" " .section .fixup,\"ax\"\n" @@ -140,8 +140,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) /* The address for a fault at the first move is trivial. The address for a fault at the second move is that of the preceding branch insn, since the move insn is in - its delay-slot. That address is also a branch - target. Just so you don't get confused... */ + its delay-slot. Just so you don't get confused... */ " .previous\n" " .section __ex_table,\"a\"\n" " .dword 5b,4b\n" diff --git a/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/arch/cris/include/arch-v32/mach-a3/mach/dma.h index 9e8eb13b601..f01dca1ad10 100644 --- a/arch/cris/include/arch-v32/mach-a3/mach/dma.h +++ b/arch/cris/include/arch-v32/mach-a3/mach/dma.h @@ -5,6 +5,33 @@ #define MAX_DMA_CHANNELS 12 /* 8 and 10 not used. */ +#define NETWORK_ETH_TX_DMA_NBR 0 /* Ethernet 0 out. */ +#define NETWORK_ETH_RX_DMA_NBR 1 /* Ethernet 0 in. */ + +#define IO_PROC_DMA_TX_DMA_NBR 4 /* IO processor DMA0 out. */ +#define IO_PROC_DMA_RX_DMA_NBR 5 /* IO processor DMA0 in. */ + +#define ASYNC_SER3_TX_DMA_NBR 2 /* Asynchronous serial port 3 out. */ +#define ASYNC_SER3_RX_DMA_NBR 3 /* Asynchronous serial port 3 in. */ + +#define ASYNC_SER2_TX_DMA_NBR 6 /* Asynchronous serial port 2 out. */ +#define ASYNC_SER2_RX_DMA_NBR 7 /* Asynchronous serial port 2 in. */ + +#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ +#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ + +#define SYNC_SER_TX_DMA_NBR 6 /* Synchronous serial port 0 out. */ +#define SYNC_SER_RX_DMA_NBR 7 /* Synchronous serial port 0 in. */ + +#define ASYNC_SER0_TX_DMA_NBR 0 /* Asynchronous serial port 0 out. */ +#define ASYNC_SER0_RX_DMA_NBR 1 /* Asynchronous serial port 0 in. */ + +#define STRCOP_TX_DMA_NBR 2 /* Stream co-processor out. */ +#define STRCOP_RX_DMA_NBR 3 /* Stream co-processor in. */ + +#define dma_eth0 dma_eth +#define dma_eth1 dma_eth + enum dma_owner { dma_eth, dma_ser0, diff --git a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc index 2f23e5e16f4..2d52bcc96ed 100644 --- a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc +++ b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc @@ -1,9 +1,19 @@ +#ifndef STARTUP_INC_INCLUDED +#define STARTUP_INC_INCLUDED + #include <hwregs/asm/reg_map_asm.h> #include <hwregs/asm/gio_defs_asm.h> #include <hwregs/asm/pio_defs_asm.h> #include <hwregs/asm/clkgen_defs_asm.h> #include <hwregs/asm/pinmux_defs_asm.h> + .macro GIO_SET_P BITS, OUTREG + bmi 1f ; btstq: bit -> N flag + nop + or.d \BITS, \OUTREG +1: + .endm + .macro GIO_INIT move.d CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0 move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r1 @@ -32,10 +42,23 @@ move.d 0xFFFFFFFF, $r0 move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1 move.d $r0, [$r1] - move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1 - move.d $r0, [$r1] move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1 move.d $r0, [$r1] + + ;; If eth_mdio, eth, geth bits are set in hwprot, don't + ;; set them to gpio, as this means they have been configured + ;; earlier and shouldn't be changed. + move.d 0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth + move.d REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1 + move.d [$r1], $r0 + btstq REG_BIT(pinmux, rw_hwprot, eth), $r0 + GIO_SET_P 0x00FFFF00, $r2 ;; pins 8..23 are eth + btstq REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0 + GIO_SET_P 0x03000000, $r2 ;; pins 24..25 are eth_mdio + btstq REG_BIT(pinmux, rw_hwprot, geth), $r0 + GIO_SET_P 0x000000FF, $r2 ;; pins 0..7 are geth + move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1 + move.d $r2, [$r1] .endm .macro START_CLOCKS @@ -58,3 +81,4 @@ move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1 move.d $r1, [$r0] .endm +#endif diff --git a/arch/cris/include/arch-v32/mach-fs/mach/dma.h b/arch/cris/include/arch-v32/mach-fs/mach/dma.h new file mode 100644 index 00000000000..a8c59292586 --- /dev/null +++ b/arch/cris/include/arch-v32/mach-fs/mach/dma.h @@ -0,0 +1,79 @@ +#ifndef _ASM_ARCH_CRIS_DMA_H +#define _ASM_ARCH_CRIS_DMA_H + +/* Defines for using and allocating dma channels. */ + +#define MAX_DMA_CHANNELS 10 + +#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */ +#define NETWORK_ETH0 RX_DMA_NBR 1 /* Ethernet 0 in. */ + +#define IO_PROC_DMA0_TX_DMA_NBR 2 /* IO processor DMA0 out. */ +#define IO_PROC_DMA0_RX_DMA_NBR 3 /* IO processor DMA0 in. */ + +#define ATA_TX_DMA_NBR 2 /* ATA interface out. */ +#define ATA_RX_DMA_NBR 3 /* ATA interface in. */ + +#define ASYNC_SER2_TX_DMA_NBR 2 /* Asynchronous serial port 2 out. */ +#define ASYNC_SER2_RX_DMA_NBR 3 /* Asynchronous serial port 2 in. */ + +#define IO_PROC_DMA1_TX_DMA_NBR 4 /* IO processor DMA1 out. */ +#define IO_PROC_DMA1_RX_DMA_NBR 5 /* IO processor DMA1 in. */ + +#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ +#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ + +#define SYNC_SER0_TX_DMA_NBR 4 /* Synchronous serial port 0 out. */ +#define SYNC_SER0_RX_DMA_NBR 5 /* Synchronous serial port 0 in. */ + +#define EXTDMA0_TX_DMA_NBR 6 /* External DMA 0 out. */ +#define EXTDMA1_RX_DMA_NBR 7 /* External DMA 1 in. */ + +#define ASYNC_SER0_TX_DMA_NBR 6 /* Asynchronous serial port 0 out. */ +#define ASYNC_SER0_RX_DMA_NBR 7 /* Asynchronous serial port 0 in. */ + +#define SYNC_SER1_TX_DMA_NBR 6 /* Synchronous serial port 1 out. */ +#define SYNC_SER1_RX_DMA_NBR 7 /* Synchronous serial port 1 in. */ + +#define NETWORK_ETH1_TX_DMA_NBR 6 /* Ethernet 1 out. */ +#define NETWORK_ETH1_RX_DMA_NBR 7 /* Ethernet 1 in. */ + +#define EXTDMA2_TX_DMA_NBR 8 /* External DMA 2 out. */ +#define EXTDMA3_RX_DMA_NBR 9 /* External DMA 3 in. */ + +#define STRCOP_TX_DMA_NBR 8 /* Stream co-processor out. */ +#define STRCOP_RX_DMA_NBR 9 /* Stream co-processor in. */ + +#define ASYNC_SER3_TX_DMA_NBR 8 /* Asynchronous serial port 3 out. */ +#define ASYNC_SER3_RX_DMA_NBR 9 /* Asynchronous serial port 3 in. */ + +enum dma_owner { + dma_eth0, + dma_eth1, + dma_iop0, + dma_iop1, + dma_ser0, + dma_ser1, + dma_ser2, + dma_ser3, + dma_sser0, + dma_sser1, + dma_ata, + dma_strp, + dma_ext0, + dma_ext1, + dma_ext2, + dma_ext3 +}; + +int crisv32_request_dma(unsigned int dmanr, const char *device_id, + unsigned options, unsigned bandwidth, + enum dma_owner owner); +void crisv32_free_dma(unsigned int dmanr); + +/* Masks used by crisv32_request_dma options: */ +#define DMA_VERBOSE_ON_ERROR 1 +#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR) +#define DMA_INT_MEM 4 + +#endif /* _ASM_ARCH_CRIS_DMA_H */ diff --git a/arch/cris/include/arch-v32/mach-fs/mach/memmap.h b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h new file mode 100644 index 00000000000..d29df5644d3 --- /dev/null +++ b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h @@ -0,0 +1,24 @@ +#ifndef _ASM_ARCH_MEMMAP_H +#define _ASM_ARCH_MEMMAP_H + +#define MEM_CSE0_START (0x00000000) +#define MEM_CSE0_SIZE (0x04000000) +#define MEM_CSE1_START (0x04000000) +#define MEM_CSE1_SIZE (0x04000000) +#define MEM_CSR0_START (0x08000000) +#define MEM_CSR1_START (0x0c000000) +#define MEM_CSP0_START (0x10000000) +#define MEM_CSP1_START (0x14000000) +#define MEM_CSP2_START (0x18000000) +#define MEM_CSP3_START (0x1c000000) +#define MEM_CSP4_START (0x20000000) +#define MEM_CSP5_START (0x24000000) +#define MEM_CSP6_START (0x28000000) +#define MEM_CSP7_START (0x2c000000) +#define MEM_INTMEM_START (0x38000000) +#define MEM_INTMEM_SIZE (0x00020000) +#define MEM_DRAM_START (0x40000000) + +#define MEM_NON_CACHEABLE (0x80000000) + +#endif diff --git a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc index 4a10ccbd6cc..96c3b0fb62c 100644 --- a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc +++ b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc @@ -1,3 +1,6 @@ +#ifndef STARTUP_INC_INCLUDED +#define STARTUP_INC_INCLUDED + #include <hwregs/asm/reg_map_asm.h> #include <hwregs/asm/bif_core_defs_asm.h> #include <hwregs/asm/gio_defs_asm.h> @@ -68,10 +71,6 @@ move.d REG_ADDR(bif_core, regi_bif_core, rw_grp4_cfg), $r0 move.d CONFIG_ETRAX_MEM_GRP4_CONFIG, $r1 move.d $r1, [$r0] -#ifdef CONFIG_ETRAX_VCS_SIM - ;; Set up minimal flash waitstates - move.d 0, $r10 - move.d REG_ADDR(bif_core, regi_bif_core, rw_grp1_cfg), $r11 - move.d $r10, [$r11] -#endif .endm + +#endif diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index d5b631935ec..afff5105909 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -1,11 +1,18 @@ -include include/asm-generic/Kbuild.asm header-y += arch-v10/ header-y += arch-v32/ -header-y += ethernet.h -header-y += rtc.h -header-y += sync_serial.h -unifdef-y += etraxgpio.h -unifdef-y += rs485.h +generic-y += barrier.h +generic-y += clkdev.h +generic-y += cputime.h +generic-y += exec.h +generic-y += hash.h +generic-y += kvm_para.h +generic-y += linkage.h +generic-y += mcs_spinlock.h +generic-y += module.h +generic-y += preempt.h +generic-y += trace_clock.h +generic-y += vga.h +generic-y += xor.h diff --git a/arch/cris/include/asm/asm-offsets.h b/arch/cris/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/cris/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h index 5718dd8902a..aa429baebaf 100644 --- a/arch/cris/include/asm/atomic.h +++ b/arch/cris/include/asm/atomic.h @@ -5,8 +5,10 @@ #include <linux/compiler.h> #include <linux/types.h> -#include <asm/system.h> +#include <asm/cmpxchg.h> #include <arch/atomic.h> +#include <arch/system.h> +#include <asm/barrier.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -15,7 +17,7 @@ #define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_set(v,i) (((v)->counter) = (i)) /* These should be written in asm but we do it in C for now. */ @@ -138,7 +140,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -static inline int atomic_add_unless(atomic_t *v, int a, int u) +static inline int __atomic_add_unless(atomic_t *v, int a, int u) { int ret; unsigned long flags; @@ -148,15 +150,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) if (ret != u) v->counter += a; cris_atomic_restore(v, flags); - return ret != u; + return ret; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() -#include <asm-generic/atomic.h> #endif diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h index 9e69cfb7f13..bd49a546f4f 100644 --- a/arch/cris/include/asm/bitops.h +++ b/arch/cris/include/asm/bitops.h @@ -19,9 +19,9 @@ #endif #include <arch/bitops.h> -#include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <linux/compiler.h> +#include <asm/barrier.h> /* * set_bit - Atomically set a bit in memory @@ -43,7 +43,7 @@ * * clear_bit() is atomic and may not be reordered. However, it does * not contain a memory barrier, so if it is used for locking purposes, - * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() + * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic() * in order to ensure changes are visible on other processors. */ @@ -85,12 +85,6 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) return retval; } -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - /** * test_and_clear_bit - Clear a bit and return its old value * @nr: Bit to clear @@ -145,7 +139,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) * definition, which doesn't have the same semantics. We don't want to * use -fno-builtin, so just hide the name ffs. */ -#define ffs kernel_ffs +#define ffs(x) kernel_ffs(x) #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> @@ -154,12 +148,10 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/le.h> -#define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) -#define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) +#include <asm-generic/bitops/ext2-atomic-setbit.h> -#include <asm-generic/bitops/minix.h> #include <asm-generic/bitops/sched.h> #endif /* __KERNEL__ */ diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h index cf60e3f69f8..36795bca605 100644 --- a/arch/cris/include/asm/cacheflush.h +++ b/arch/cris/include/asm/cacheflush.h @@ -12,6 +12,7 @@ #define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) diff --git a/arch/cris/include/asm/system.h b/arch/cris/include/asm/cmpxchg.h index 8657b084a92..b756dac8aa3 100644 --- a/arch/cris/include/asm/system.h +++ b/arch/cris/include/asm/cmpxchg.h @@ -1,43 +1,7 @@ -#ifndef __ASM_CRIS_SYSTEM_H -#define __ASM_CRIS_SYSTEM_H +#ifndef __ASM_CRIS_CMPXCHG__ +#define __ASM_CRIS_CMPXCHG__ -#include <arch/system.h> - -/* the switch_to macro calls resume, an asm function in entry.S which does the actual - * task switching. - */ - -extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int); -#define switch_to(prev,next,last) last = resume(prev,next, \ - (int)&((struct task_struct *)0)->thread) - -#define barrier() __asm__ __volatile__("": : :"memory") -#define mb() barrier() -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; mb(); } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) -#endif - -#define iret() - -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -void disable_hlt(void); -void enable_hlt(void); +#include <linux/irqflags.h> static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) { @@ -66,6 +30,11 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz return x; } +#define xchg(ptr,x) \ + ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +#define tas(ptr) (xchg((ptr),1)) + #include <asm-generic/cmpxchg-local.h> /* @@ -81,8 +50,4 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz #include <asm-generic/cmpxchg.h> #endif -#define arch_align_stack(x) (x) - -void default_idle(void); - -#endif +#endif /* __ASM_CRIS_CMPXCHG__ */ diff --git a/arch/cris/include/asm/cputime.h b/arch/cris/include/asm/cputime.h deleted file mode 100644 index 4446a65656f..00000000000 --- a/arch/cris/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __CRIS_CPUTIME_H -#define __CRIS_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __CRIS_CPUTIME_H */ diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h index da8ef8e8f84..2f0f654f1b4 100644 --- a/arch/cris/include/asm/dma-mapping.h +++ b/arch/cris/include/asm/dma-mapping.h @@ -152,19 +152,21 @@ dma_set_mask(struct device *dev, u64 mask) return 0; } -static inline int -dma_get_cache_alignment(void) -{ - return (1 << INTERNODE_CACHE_SHIFT); -} - -#define dma_is_consistent(d, h) (1) - static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { } +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif diff --git a/arch/cris/include/asm/elf.h b/arch/cris/include/asm/elf.h index 0f51b10b9f4..30ded8fbf59 100644 --- a/arch/cris/include/asm/elf.h +++ b/arch/cris/include/asm/elf.h @@ -64,8 +64,6 @@ typedef unsigned long elf_fpregset_t; #define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004 /* End of excerpt from {binutils}/include/elf/cris.h. */ -#define USE_ELF_CORE_DUMP - #define ELF_EXEC_PAGESIZE 8192 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical @@ -88,6 +86,4 @@ typedef unsigned long elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) - #endif diff --git a/arch/cris/include/asm/hardirq.h b/arch/cris/include/asm/hardirq.h index 74178adeb1c..04126f7bfab 100644 --- a/arch/cris/include/asm/hardirq.h +++ b/arch/cris/include/asm/hardirq.h @@ -2,26 +2,6 @@ #define __ASM_HARDIRQ_H #include <asm/irq.h> -#include <linux/threads.h> -#include <linux/cache.h> - -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - -void ack_bad_irq(unsigned int irq); - -#define HARDIRQ_BITS 8 - -/* - * The hardirq mask has to be large enough to have - * space for potentially all IRQ sources in the system - * nesting on a single CPU: - */ -#if (1 << HARDIRQ_BITS) < NR_IRQS -# error HARDIRQ_BITS is too low! -#endif +#include <asm-generic/hardirq.h> #endif /* __ASM_HARDIRQ_H */ diff --git a/arch/cris/include/asm/io.h b/arch/cris/include/asm/io.h index 32567bc2a42..e59dba12ce9 100644 --- a/arch/cris/include/asm/io.h +++ b/arch/cris/include/asm/io.h @@ -3,6 +3,7 @@ #include <asm/page.h> /* for __va, __pa */ #include <arch/io.h> +#include <asm-generic/iomap.h> #include <linux/kernel.h> struct cris_io_operations @@ -133,12 +134,46 @@ static inline void writel(unsigned int b, volatile void __iomem *addr) #define insb(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,1,count) : 0) #define insw(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,2,count) : 0) #define insl(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,4,count) : 0) -#define outb(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,1,1) -#define outw(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,2,1) -#define outl(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,4,1) -#define outsb(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,1,count) -#define outsw(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,2,count) -#define outsl(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,3,count) +static inline void outb(unsigned char data, unsigned int port) +{ + if (cris_iops) + cris_iops->write_io(port, (void *) &data, 1, 1); +} +static inline void outw(unsigned short data, unsigned int port) +{ + if (cris_iops) + cris_iops->write_io(port, (void *) &data, 2, 1); +} +static inline void outl(unsigned int data, unsigned int port) +{ + if (cris_iops) + cris_iops->write_io(port, (void *) &data, 4, 1); +} +static inline void outsb(unsigned int port, const void *addr, + unsigned long count) +{ + if (cris_iops) + cris_iops->write_io(port, (void *)addr, 1, count); +} +static inline void outsw(unsigned int port, const void *addr, + unsigned long count) +{ + if (cris_iops) + cris_iops->write_io(port, (void *)addr, 2, count); +} +static inline void outsl(unsigned int port, const void *addr, + unsigned long count) +{ + if (cris_iops) + cris_iops->write_io(port, (void *)addr, 4, count); +} + +#define inb_p(port) inb(port) +#define inw_p(port) inw(port) +#define inl_p(port) inl(port) +#define outb_p(val, port) outb((val), (port)) +#define outw_p(val, port) outw((val), (port)) +#define outl_p(val, port) outl((val), (port)) /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem diff --git a/arch/cris/include/asm/ioctls.h b/arch/cris/include/asm/ioctls.h deleted file mode 100644 index 35bbc181598..00000000000 --- a/arch/cris/include/asm/ioctls.h +++ /dev/null @@ -1,92 +0,0 @@ -#ifndef __ARCH_CRIS_IOCTLS_H__ -#define __ARCH_CRIS_IOCTLS_H__ - -/* verbatim copy of asm-i386/ioctls.h */ - -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */ -#define TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */ -#define FIOQSIZE 0x5460 - -#define TIOCSERSETRS485 0x5461 /* enable rs-485 (deprecated) */ -#define TIOCSERWRRS485 0x5462 /* write rs-485 */ -#define TIOCSRS485 0x5463 /* enable rs-485 */ - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - -#endif diff --git a/arch/cris/include/asm/ipcbuf.h b/arch/cris/include/asm/ipcbuf.h deleted file mode 100644 index 8b0c18b0284..00000000000 --- a/arch/cris/include/asm/ipcbuf.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef __CRIS_IPCBUF_H__ -#define __CRIS_IPCBUF_H__ - -/* - * The user_ipc_perm structure for CRIS architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __CRIS_IPCBUF_H__ */ diff --git a/arch/cris/include/asm/irqflags.h b/arch/cris/include/asm/irqflags.h new file mode 100644 index 00000000000..943ba5ca6d2 --- /dev/null +++ b/arch/cris/include/asm/irqflags.h @@ -0,0 +1 @@ +#include <arch/irqflags.h> diff --git a/arch/cris/include/asm/kmap_types.h b/arch/cris/include/asm/kmap_types.h index 492988cb907..d2d643c4ea5 100644 --- a/arch/cris/include/asm/kmap_types.h +++ b/arch/cris/include/asm/kmap_types.h @@ -5,21 +5,6 @@ * is actually used on cris. */ -enum km_type { - KM_BOUNCE_READ, - KM_SKB_SUNRPC_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_BIO_SRC_IRQ, - KM_BIO_DST_IRQ, - KM_PTE0, - KM_PTE1, - KM_IRQ0, - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, - KM_TYPE_NR -}; +#include <asm-generic/kmap_types.h> #endif diff --git a/arch/cris/include/asm/linkage.h b/arch/cris/include/asm/linkage.h deleted file mode 100644 index 291c2d01c44..00000000000 --- a/arch/cris/include/asm/linkage.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_LINKAGE_H -#define __ASM_LINKAGE_H - -/* Nothing to see here... */ - -#endif diff --git a/arch/cris/include/asm/local64.h b/arch/cris/include/asm/local64.h new file mode 100644 index 00000000000..36c93b5cc23 --- /dev/null +++ b/arch/cris/include/asm/local64.h @@ -0,0 +1 @@ +#include <asm-generic/local64.h> diff --git a/arch/cris/include/asm/mman.h b/arch/cris/include/asm/mman.h deleted file mode 100644 index 1c35e1b66b4..00000000000 --- a/arch/cris/include/asm/mman.h +++ /dev/null @@ -1,19 +0,0 @@ -#ifndef __CRIS_MMAN_H__ -#define __CRIS_MMAN_H__ - -/* verbatim copy of asm-i386/ version */ - -#include <asm-generic/mman.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* __CRIS_MMAN_H__ */ diff --git a/arch/cris/include/asm/mmu_context.h b/arch/cris/include/asm/mmu_context.h index 72ba08dcfd1..1d45fd6365b 100644 --- a/arch/cris/include/asm/mmu_context.h +++ b/arch/cris/include/asm/mmu_context.h @@ -17,7 +17,8 @@ extern void switch_mm(struct mm_struct *prev, struct mm_struct *next, * registers like cr3 on the i386 */ -extern volatile DEFINE_PER_CPU(pgd_t *,current_pgd); /* defined in arch/cris/mm/fault.c */ +/* defined in arch/cris/mm/fault.c */ +DECLARE_PER_CPU(pgd_t *, current_pgd); static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { diff --git a/arch/cris/include/asm/module.h b/arch/cris/include/asm/module.h deleted file mode 100644 index 7ee72311bd7..00000000000 --- a/arch/cris/include/asm/module.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef _ASM_CRIS_MODULE_H -#define _ASM_CRIS_MODULE_H -/* cris is simple */ -struct mod_arch_specific { }; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr -#endif /* _ASM_CRIS_MODULE_H */ diff --git a/arch/cris/include/asm/page.h b/arch/cris/include/asm/page.h index f3fdbd09c34..dfc53f9b88e 100644 --- a/arch/cris/include/asm/page.h +++ b/arch/cris/include/asm/page.h @@ -51,7 +51,6 @@ typedef struct page *pgtable_t; */ #define virt_to_page(kaddr) (mem_map + (((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT)) -#define VALID_PAGE(page) (((page) - mem_map) < max_mapnr) #define virt_addr_valid(kaddr) pfn_valid((unsigned)(kaddr) >> PAGE_SHIFT) /* convert a page (based on mem_map and forward) to a physical address @@ -68,7 +67,7 @@ typedef struct page *pgtable_t; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include <asm-generic/memory_model.h> -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #endif /* _CRIS_PAGE_H */ diff --git a/arch/cris/include/asm/param.h b/arch/cris/include/asm/param.h deleted file mode 100644 index 0e47994e40b..00000000000 --- a/arch/cris/include/asm/param.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef _ASMCRIS_PARAM_H -#define _ASMCRIS_PARAM_H - -/* Currently we assume that HZ=100 is good for CRIS. */ -#ifdef __KERNEL__ -# define HZ CONFIG_HZ /* Internal kernel timer frequency */ -# define USER_HZ 100 /* .. some user interfaces are in "ticks" */ -# define CLOCKS_PER_SEC (USER_HZ) /* like times() */ -#endif - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 8192 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h index 730ce40fdd0..cc2399c175e 100644 --- a/arch/cris/include/asm/pci.h +++ b/arch/cris/include/asm/pci.h @@ -11,7 +11,6 @@ #define pcibios_assign_all_busses(void) 1 -extern unsigned long pci_mem_start; #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 @@ -19,10 +18,8 @@ extern unsigned long pci_mem_start; void pcibios_config_init(void); struct pci_bus * pcibios_scan_root(int bus); -int pcibios_assign_resources(void); void pcibios_set_master(struct pci_dev *dev); -void pcibios_penalize_isa_irq(int irq); struct irq_routing_table *pcibios_get_irq_routing_table(void); int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); @@ -44,14 +41,6 @@ struct pci_dev; */ #define PCI_DMA_BUS_IS_PHYS (1) -/* pci_unmap_{page,single} is a nop so... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) -#define pci_unmap_addr(PTR, ADDR_NAME) (0) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) -#define pci_unmap_len(PTR, LEN_NAME) (0) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) - #define HAVE_PCI_MMAP extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h index a1ba761d057..235ece437dd 100644 --- a/arch/cris/include/asm/pgalloc.h +++ b/arch/cris/include/asm/pgalloc.h @@ -32,7 +32,12 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres { struct page *pte; pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); - pgtable_page_ctor(pte); + if (!pte) + return NULL; + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } @@ -47,7 +52,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) __free_page(pte); } -#define __pte_free_tlb(tlb,pte) \ +#define __pte_free_tlb(tlb,pte,address) \ do { \ pgtable_page_dtor(pte); \ tlb_remove_page((tlb), pte); \ diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h index 50aa974aa83..8b8c8679322 100644 --- a/arch/cris/include/asm/pgtable.h +++ b/arch/cris/include/asm/pgtable.h @@ -97,7 +97,7 @@ extern unsigned long empty_zero_page; #define pte_clear(mm,addr,xp) do { pte_val(*(xp)) = 0; } while (0) #define pmd_none(x) (!pmd_val(x)) -/* by removing the _PAGE_KERNEL bit from the comparision, the same pmd_bad +/* by removing the _PAGE_KERNEL bit from the comparison, the same pmd_bad * works for both _PAGE_TABLE and _KERNPG_TABLE pmd entries. */ #define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_KERNEL)) != _PAGE_TABLE) @@ -197,6 +197,8 @@ static inline pte_t __mk_pte(void * page, pgprot_t pgprot) static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot); return pte; } +#define pgprot_noncached(prot) __pgprot((pgprot_val(prot) | _PAGE_NO_CACHE)) + /* pte_val refers to a page in the 0x4xxxxxxx physical DRAM interval * __pte_page(pte_val) refers to the "virtual" DRAM interval @@ -246,10 +248,8 @@ static inline pgd_t * pgd_offset(const struct mm_struct *mm, unsigned long addre ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) #define pte_offset_map(dir, address) \ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) -#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address) #define pte_unmap(pte) do { } while (0) -#define pte_unmap_nested(pte) do { } while (0) #define pte_pfn(x) ((unsigned long)(__va((x).pte)) >> PAGE_SHIFT) #define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) @@ -268,7 +268,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */ * Actually I am not sure on what this could be used for. */ static inline void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { } diff --git a/arch/cris/include/asm/posix_types.h b/arch/cris/include/asm/posix_types.h deleted file mode 100644 index ce3fb25a460..00000000000 --- a/arch/cris/include/asm/posix_types.h +++ /dev/null @@ -1,66 +0,0 @@ -/* $Id: posix_types.h,v 1.1 2000/07/10 16:32:31 bjornw Exp $ */ - -/* We cheat a bit and use our C-coded bitops functions from asm/bitops.h */ -/* I guess we should write these in assembler because they are used often. */ - -#ifndef __ARCH_CRIS_POSIX_TYPES_H -#define __ARCH_CRIS_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef __SIZE_TYPE__ __kernel_size_t; -typedef long __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef unsigned short __kernel_old_dev_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#ifdef __KERNEL__ - -#undef __FD_SET -#define __FD_SET(fd,fdsetp) set_bit(fd, (void *)(fdsetp)) - -#undef __FD_CLR -#define __FD_CLR(fd,fdsetp) clear_bit(fd, (void *)(fdsetp)) - -#undef __FD_ISSET -#define __FD_ISSET(fd,fdsetp) test_bit(fd, (void *)(fdsetp)) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) memset((void *)(fdsetp), 0, __FDSET_LONGS << 2) - -#endif /* __KERNEL__ */ - -#endif /* __ARCH_CRIS_POSIX_TYPES_H */ diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index 3f7248f7a1c..15b815df29c 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -10,10 +10,10 @@ #ifndef __ASM_CRIS_PROCESSOR_H #define __ASM_CRIS_PROCESSOR_H -#include <asm/system.h> #include <asm/page.h> #include <asm/ptrace.h> #include <arch/processor.h> +#include <arch/system.h> struct task_struct; @@ -25,13 +25,12 @@ struct task_struct; */ #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) -/* THREAD_SIZE is the size of the task_struct/kernel_stack combo. +/* THREAD_SIZE is the size of the thread_info/kernel_stack combo. * normally, the stack is found by doing something like p + THREAD_SIZE * in CRIS, a page is 8192 bytes, which seems like a sane size */ - #define THREAD_SIZE PAGE_SIZE -#define KERNEL_STACK_SIZE PAGE_SIZE +#define THREAD_SIZE_ORDER (0) /* * At user->kernel entry, the pt_regs struct is stacked on the top of the kernel-stack. @@ -48,13 +47,6 @@ struct task_struct; */ #define task_pt_regs(task) user_regs(task_thread_info(task)) -#define current_regs() task_pt_regs(current) - -static inline void prepare_to_copy(struct task_struct *tsk) -{ -} - -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); unsigned long get_wchan(struct task_struct *p); @@ -72,4 +64,6 @@ static inline void release_thread(struct task_struct *dead_task) #define cpu_relax() barrier() +void default_idle(void); + #endif /* __ASM_CRIS_PROCESSOR_H */ diff --git a/arch/cris/include/asm/ptrace.h b/arch/cris/include/asm/ptrace.h index 6618893bfe8..9e788d04a4e 100644 --- a/arch/cris/include/asm/ptrace.h +++ b/arch/cris/include/asm/ptrace.h @@ -1,16 +1,14 @@ #ifndef _CRIS_PTRACE_H #define _CRIS_PTRACE_H -#include <arch/ptrace.h> +#include <uapi/asm/ptrace.h> -#ifdef __KERNEL__ /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ #define PTRACE_GETREGS 12 #define PTRACE_SETREGS 13 #define profile_pc(regs) instruction_pointer(regs) - -#endif /* __KERNEL__ */ +#define current_user_stack_pointer() rdusp() #endif /* _CRIS_PTRACE_H */ diff --git a/arch/cris/include/asm/rtc.h b/arch/cris/include/asm/rtc.h deleted file mode 100644 index 17d3019529e..00000000000 --- a/arch/cris/include/asm/rtc.h +++ /dev/null @@ -1,107 +0,0 @@ - -#ifndef __RTC_H__ -#define __RTC_H__ - -#ifdef CONFIG_ETRAX_DS1302 - /* Dallas DS1302 clock/calendar register numbers. */ -# define RTC_SECONDS 0 -# define RTC_MINUTES 1 -# define RTC_HOURS 2 -# define RTC_DAY_OF_MONTH 3 -# define RTC_MONTH 4 -# define RTC_WEEKDAY 5 -# define RTC_YEAR 6 -# define RTC_CONTROL 7 - - /* Bits in CONTROL register. */ -# define RTC_CONTROL_WRITEPROTECT 0x80 -# define RTC_TRICKLECHARGER 8 - - /* Bits in TRICKLECHARGER register TCS TCS TCS TCS DS DS RS RS. */ -# define RTC_TCR_PATTERN 0xA0 /* 1010xxxx */ -# define RTC_TCR_1DIOD 0x04 /* xxxx01xx */ -# define RTC_TCR_2DIOD 0x08 /* xxxx10xx */ -# define RTC_TCR_DISABLED 0x00 /* xxxxxx00 Disabled */ -# define RTC_TCR_2KOHM 0x01 /* xxxxxx01 2KOhm */ -# define RTC_TCR_4KOHM 0x02 /* xxxxxx10 4kOhm */ -# define RTC_TCR_8KOHM 0x03 /* xxxxxx11 8kOhm */ - -#elif defined(CONFIG_ETRAX_PCF8563) - /* I2C bus slave registers. */ -# define RTC_I2C_READ 0xa3 -# define RTC_I2C_WRITE 0xa2 - - /* Phillips PCF8563 registers. */ -# define RTC_CONTROL1 0x00 /* Control/Status register 1. */ -# define RTC_CONTROL2 0x01 /* Control/Status register 2. */ -# define RTC_CLOCKOUT_FREQ 0x0d /* CLKOUT frequency. */ -# define RTC_TIMER_CONTROL 0x0e /* Timer control. */ -# define RTC_TIMER_CNTDOWN 0x0f /* Timer countdown. */ - - /* BCD encoded clock registers. */ -# define RTC_SECONDS 0x02 -# define RTC_MINUTES 0x03 -# define RTC_HOURS 0x04 -# define RTC_DAY_OF_MONTH 0x05 -# define RTC_WEEKDAY 0x06 /* Not coded in BCD! */ -# define RTC_MONTH 0x07 -# define RTC_YEAR 0x08 -# define RTC_MINUTE_ALARM 0x09 -# define RTC_HOUR_ALARM 0x0a -# define RTC_DAY_ALARM 0x0b -# define RTC_WEEKDAY_ALARM 0x0c - -#endif - -#ifdef CONFIG_ETRAX_DS1302 -extern unsigned char ds1302_readreg(int reg); -extern void ds1302_writereg(int reg, unsigned char val); -extern int ds1302_init(void); -# define CMOS_READ(x) ds1302_readreg(x) -# define CMOS_WRITE(val,reg) ds1302_writereg(reg,val) -# define RTC_INIT() ds1302_init() -#elif defined(CONFIG_ETRAX_PCF8563) -extern unsigned char pcf8563_readreg(int reg); -extern void pcf8563_writereg(int reg, unsigned char val); -extern int pcf8563_init(void); -# define CMOS_READ(x) pcf8563_readreg(x) -# define CMOS_WRITE(val,reg) pcf8563_writereg(reg,val) -# define RTC_INIT() pcf8563_init() -#else - /* No RTC configured so we shouldn't try to access any. */ -# define CMOS_READ(x) 42 -# define CMOS_WRITE(x,y) -# define RTC_INIT() (-1) -#endif - -/* - * The struct used to pass data via the following ioctl. Similar to the - * struct tm in <time.h>, but it needs to be here so that the kernel - * source is self contained, allowing cross-compiles, etc. etc. - */ -struct rtc_time { - int tm_sec; - int tm_min; - int tm_hour; - int tm_mday; - int tm_mon; - int tm_year; - int tm_wday; - int tm_yday; - int tm_isdst; -}; - -/* ioctl() calls that are permitted to the /dev/rtc interface. */ -#define RTC_MAGIC 'p' -/* Read RTC time. */ -#define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time) -/* Set RTC time. */ -#define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time) -#define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int) -/* Voltage low detector */ -#define RTC_VL_READ _IOR(RTC_MAGIC, 0x13, int) -/* Clear voltage low information */ -#define RTC_VL_CLR _IO(RTC_MAGIC, 0x14) -#define RTC_MAX_IOCTL 0x14 - -#endif /* __RTC_H__ */ diff --git a/arch/cris/include/asm/scatterlist.h b/arch/cris/include/asm/scatterlist.h index faff53ad1f9..f11f8f40ec4 100644 --- a/arch/cris/include/asm/scatterlist.h +++ b/arch/cris/include/asm/scatterlist.h @@ -1,23 +1,6 @@ #ifndef __ASM_CRIS_SCATTERLIST_H #define __ASM_CRIS_SCATTERLIST_H -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - char * address; /* Location data is to be transferred to */ - unsigned int length; - - /* The following is i386 highmem junk - not used by us */ - unsigned long page_link; - unsigned int offset;/* for highmem, page offset */ - -}; - -#define sg_dma_address(sg) ((sg)->address) -#define sg_dma_len(sg) ((sg)->length) -/* i386 junk */ - -#define ISA_DMA_THRESHOLD (0x1fffffff) +#include <asm-generic/scatterlist.h> #endif /* !(__ASM_CRIS_SCATTERLIST_H) */ diff --git a/arch/cris/include/asm/serial.h b/arch/cris/include/asm/serial.h new file mode 100644 index 00000000000..af7535a955f --- /dev/null +++ b/arch/cris/include/asm/serial.h @@ -0,0 +1,9 @@ +#ifndef _ASM_SERIAL_H +#define _ASM_SERIAL_H + +/* + * This assumes you have a 1.8432 MHz clock for your UART. + */ +#define BASE_BAUD (1843200 / 16) + +#endif /* _ASM_SERIAL_H */ diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h index 349ae682b56..c11b8745cec 100644 --- a/arch/cris/include/asm/signal.h +++ b/arch/cris/include/asm/signal.h @@ -1,12 +1,8 @@ #ifndef _ASM_CRIS_SIGNAL_H #define _ASM_CRIS_SIGNAL_H -#include <linux/types.h> +#include <uapi/asm/signal.h> -/* Avoid too many header ordering problems. */ -struct siginfo; - -#ifdef __KERNEL__ /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ @@ -20,144 +16,8 @@ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ - -#define SA_NOCLDSTOP 0x00000001u -#define SA_NOCLDWAIT 0x00000002u -#define SA_SIGINFO 0x00000004u -#define SA_ONSTACK 0x08000000u -#define SA_RESTART 0x10000000u -#define SA_NODEFER 0x40000000u -#define SA_RESETHAND 0x80000000u - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 +#define __ARCH_HAS_SA_RESTORER -#include <asm-generic/signal.h> - -#ifdef __KERNEL__ -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ #include <asm/sigcontext.h> -/* here we could define asm-optimized sigaddset, sigdelset etc. operations. - * if we don't, generic ones are used from linux/signal.h - */ -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* __KERNEL__ */ - #endif diff --git a/arch/cris/include/asm/string.h b/arch/cris/include/asm/string.h index 691190e99a2..d5db39f9eea 100644 --- a/arch/cris/include/asm/string.h +++ b/arch/cris/include/asm/string.h @@ -11,4 +11,10 @@ extern void *memcpy(void *, const void *, size_t); #define __HAVE_ARCH_MEMSET extern void *memset(void *, int, size_t); +#ifdef CONFIG_ETRAX_ARCH_V32 +/* For v32 we provide strcmp. */ +#define __HAVE_ARCH_STRCMP +extern int strcmp(const char *s1, const char *s2); +#endif + #endif diff --git a/arch/cris/include/asm/swab.h b/arch/cris/include/asm/swab.h index 80668e88419..991b6ace1ba 100644 --- a/arch/cris/include/asm/swab.h +++ b/arch/cris/include/asm/swab.h @@ -1,8 +1,7 @@ #ifndef _CRIS_SWAB_H #define _CRIS_SWAB_H -#ifdef __KERNEL__ #include <arch/swab.h> -#endif /* __KERNEL__ */ +#include <uapi/asm/swab.h> #endif /* _CRIS_SWAB_H */ diff --git a/arch/cris/include/asm/switch_to.h b/arch/cris/include/asm/switch_to.h new file mode 100644 index 00000000000..d842e1163ba --- /dev/null +++ b/arch/cris/include/asm/switch_to.h @@ -0,0 +1,12 @@ +#ifndef __ASM_CRIS_SWITCH_TO_H +#define __ASM_CRIS_SWITCH_TO_H + +/* the switch_to macro calls resume, an asm function in entry.S which does the actual + * task switching. + */ + +extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int); +#define switch_to(prev,next,last) last = resume(prev,next, \ + (int)&((struct task_struct *)0)->thread) + +#endif /* __ASM_CRIS_SWITCH_TO_H */ diff --git a/arch/cris/include/asm/termios.h b/arch/cris/include/asm/termios.h index 1265109f4ce..1991cd9e408 100644 --- a/arch/cris/include/asm/termios.h +++ b/arch/cris/include/asm/termios.h @@ -1,47 +1,8 @@ #ifndef _CRIS_TERMIOS_H #define _CRIS_TERMIOS_H -#include <asm/termbits.h> -#include <asm/ioctls.h> -#include <asm/rs485.h> -#include <linux/serial.h> +#include <uapi/asm/termios.h> -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -#ifdef __KERNEL__ /* intr=^C quit=^\ erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 @@ -87,6 +48,4 @@ struct termio { #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) -#endif /* __KERNEL__ */ - #endif /* _CRIS_TERMIOS_H */ diff --git a/arch/cris/include/asm/thread_info.h b/arch/cris/include/asm/thread_info.h index bc5b2935ca5..55dede18c03 100644 --- a/arch/cris/include/asm/thread_info.h +++ b/arch/cris/include/asm/thread_info.h @@ -11,8 +11,6 @@ #ifdef __KERNEL__ -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - #ifndef __ASSEMBLY__ #include <asm/types.h> #include <asm/processor.h> @@ -46,12 +44,8 @@ struct thread_info { #endif -#define PREEMPT_ACTIVE 0x10000000 - /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #ifndef __ASSEMBLY__ #define INIT_THREAD_INFO(tsk) \ @@ -60,7 +54,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .restart_block = { \ .fn = do_no_restart_syscall, \ @@ -69,10 +63,6 @@ struct thread_info { #define init_thread_info (init_thread_union.thread_info) -/* thread information allocation */ -#define alloc_thread_info(tsk) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1)) -#define free_thread_info(ti) free_pages((unsigned long) (ti), 1) - #endif /* !__ASSEMBLY__ */ /* @@ -86,17 +76,12 @@ struct thread_info { #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 -#define TIF_FREEZE 18 /* is freezing for suspend */ +#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_FREEZE (1<<TIF_FREEZE) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ diff --git a/arch/cris/include/asm/types.h b/arch/cris/include/asm/types.h index 5790262cbe8..a3cac7757c7 100644 --- a/arch/cris/include/asm/types.h +++ b/arch/cris/include/asm/types.h @@ -1,30 +1,12 @@ #ifndef _ETRAX_TYPES_H #define _ETRAX_TYPES_H -#include <asm-generic/int-ll64.h> - -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ +#include <uapi/asm/types.h> /* * These aren't exported outside the kernel to avoid name space clashes */ -#ifdef __KERNEL__ #define BITS_PER_LONG 32 -#ifndef __ASSEMBLY__ - -/* Dma addresses are 32-bits wide, just like our other addresses. */ - -typedef u32 dma_addr_t; -typedef u32 dma64_addr_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ - #endif diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h index c17079388bb..0f40fed1ba2 100644 --- a/arch/cris/include/asm/unistd.h +++ b/arch/cris/include/asm/unistd.h @@ -1,359 +1,20 @@ #ifndef _ASM_CRIS_UNISTD_H_ #define _ASM_CRIS_UNISTD_H_ -/* - * This file contains the system call numbers, and stub macros for libc. - */ +#include <uapi/asm/unistd.h> -#define __NR_restart_syscall 0 -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_profil 98 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_ioperm 101 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_olduname 109 -#define __NR_iopl 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86 113 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_modify_ldt 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 /* some people actually want streams */ -#define __NR_putpmsg 189 /* some people actually want streams */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -/* 223 is unused */ -#define __NR_gettid 224 -#define __NR_readahead 225 -#define __NR_setxattr 226 -#define __NR_lsetxattr 227 -#define __NR_fsetxattr 228 -#define __NR_getxattr 229 -#define __NR_lgetxattr 230 -#define __NR_fgetxattr 231 -#define __NR_listxattr 232 -#define __NR_llistxattr 233 -#define __NR_flistxattr 234 -#define __NR_removexattr 235 -#define __NR_lremovexattr 236 -#define __NR_fremovexattr 237 -#define __NR_tkill 238 -#define __NR_sendfile64 239 -#define __NR_futex 240 -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 -#define __NR_io_setup 245 -#define __NR_io_destroy 246 -#define __NR_io_getevents 247 -#define __NR_io_submit 248 -#define __NR_io_cancel 249 -#define __NR_fadvise64 250 -/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ -#define __NR_exit_group 252 -#define __NR_lookup_dcookie 253 -#define __NR_epoll_create 254 -#define __NR_epoll_ctl 255 -#define __NR_epoll_wait 256 -#define __NR_remap_file_pages 257 -#define __NR_set_tid_address 258 -#define __NR_timer_create 259 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -#define __NR_statfs64 268 -#define __NR_fstatfs64 269 -#define __NR_tgkill 270 -#define __NR_utimes 271 -#define __NR_fadvise64_64 272 -#define __NR_vserver 273 -#define __NR_mbind 274 -#define __NR_get_mempolicy 275 -#define __NR_set_mempolicy 276 -#define __NR_mq_open 277 -#define __NR_mq_unlink (__NR_mq_open+1) -#define __NR_mq_timedsend (__NR_mq_open+2) -#define __NR_mq_timedreceive (__NR_mq_open+3) -#define __NR_mq_notify (__NR_mq_open+4) -#define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 283 -#define __NR_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 -#define __NR_request_key 287 -#define __NR_keyctl 288 -#define __NR_ioprio_set 289 -#define __NR_ioprio_get 290 -#define __NR_inotify_init 291 -#define __NR_inotify_add_watch 292 -#define __NR_inotify_rm_watch 293 -#define __NR_migrate_pages 294 -#define __NR_openat 295 -#define __NR_mkdirat 296 -#define __NR_mknodat 297 -#define __NR_fchownat 298 -#define __NR_futimesat 299 -#define __NR_fstatat64 300 -#define __NR_unlinkat 301 -#define __NR_renameat 302 -#define __NR_linkat 303 -#define __NR_symlinkat 304 -#define __NR_readlinkat 305 -#define __NR_fchmodat 306 -#define __NR_faccessat 307 -#define __NR_pselect6 308 -#define __NR_ppoll 309 -#define __NR_unshare 310 -#define __NR_set_robust_list 311 -#define __NR_get_robust_list 312 -#define __NR_splice 313 -#define __NR_sync_file_range 314 -#define __NR_tee 315 -#define __NR_vmsplice 316 -#define __NR_move_pages 317 -#define __NR_getcpu 318 -#define __NR_epoll_pwait 319 -#define __NR_utimensat 320 -#define __NR_signalfd 321 -#define __NR_timerfd_create 322 -#define __NR_eventfd 323 -#define __NR_fallocate 324 -#define __NR_timerfd_settime 325 -#define __NR_timerfd_gettime 326 -#define __NR_signalfd4 327 -#define __NR_eventfd2 328 -#define __NR_epoll_create1 329 -#define __NR_dup3 330 -#define __NR_pipe2 331 -#define __NR_inotify_init1 332 -#define __NR_preadv 333 -#define __NR_pwritev 334 - -#ifdef __KERNEL__ - -#define NR_syscalls 335 +#define NR_syscalls 360 #include <arch/unistd.h> -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME +#define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK #define __ARCH_WANT_SYS_SIGNAL #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME @@ -364,19 +25,12 @@ #define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_OLD_GETRLIMIT +#define __ARCH_WANT_SYS_OLD_MMAP #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_CLONE -#endif /* __KERNEL__ */ #endif /* _ASM_CRIS_UNISTD_H_ */ diff --git a/arch/cris/include/uapi/arch-v10/arch/Kbuild b/arch/cris/include/uapi/arch-v10/arch/Kbuild new file mode 100644 index 00000000000..9048c87a782 --- /dev/null +++ b/arch/cris/include/uapi/arch-v10/arch/Kbuild @@ -0,0 +1,5 @@ +# UAPI Header export list +header-y += sv_addr.agh +header-y += sv_addr_ag.h +header-y += svinto.h +header-y += user.h diff --git a/arch/cris/include/arch-v10/arch/sv_addr.agh b/arch/cris/include/uapi/arch-v10/arch/sv_addr.agh index 6ac3a7bc976..6ac3a7bc976 100644 --- a/arch/cris/include/arch-v10/arch/sv_addr.agh +++ b/arch/cris/include/uapi/arch-v10/arch/sv_addr.agh diff --git a/arch/cris/include/arch-v10/arch/sv_addr_ag.h b/arch/cris/include/uapi/arch-v10/arch/sv_addr_ag.h index e4a6b68b898..5517f04153a 100644 --- a/arch/cris/include/arch-v10/arch/sv_addr_ag.h +++ b/arch/cris/include/uapi/arch-v10/arch/sv_addr_ag.h @@ -114,7 +114,7 @@ /*------------------------------------------------------------*/ -#include "sv_addr.agh" +#include <arch/sv_addr.agh> #if __test_sv_addr__ /* IO_MASK( R_BUS_CONFIG , CE ) */ diff --git a/arch/cris/include/arch-v10/arch/svinto.h b/arch/cris/include/uapi/arch-v10/arch/svinto.h index 0881a1af7ce..da5c1527265 100644 --- a/arch/cris/include/arch-v10/arch/svinto.h +++ b/arch/cris/include/uapi/arch-v10/arch/svinto.h @@ -1,7 +1,7 @@ #ifndef _ASM_CRIS_SVINTO_H #define _ASM_CRIS_SVINTO_H -#include "sv_addr_ag.h" +#include <arch/sv_addr_ag.h> extern unsigned int genconfig_shadow; /* defined and set in head.S */ diff --git a/arch/cris/include/arch-v10/arch/user.h b/arch/cris/include/uapi/arch-v10/arch/user.h index 9303ea77c91..9303ea77c91 100644 --- a/arch/cris/include/arch-v10/arch/user.h +++ b/arch/cris/include/uapi/arch-v10/arch/user.h diff --git a/arch/cris/include/uapi/arch-v32/arch/Kbuild b/arch/cris/include/uapi/arch-v32/arch/Kbuild new file mode 100644 index 00000000000..59efffd16b6 --- /dev/null +++ b/arch/cris/include/uapi/arch-v32/arch/Kbuild @@ -0,0 +1,3 @@ +# UAPI Header export list +header-y += cryptocop.h +header-y += user.h diff --git a/arch/cris/include/uapi/arch-v32/arch/cryptocop.h b/arch/cris/include/uapi/arch-v32/arch/cryptocop.h new file mode 100644 index 00000000000..694fd13ce1c --- /dev/null +++ b/arch/cris/include/uapi/arch-v32/arch/cryptocop.h @@ -0,0 +1,122 @@ +/* + * The device /dev/cryptocop is accessible using this driver using + * CRYPTOCOP_MAJOR (254) and minor number 0. + */ + +#ifndef _UAPICRYPTOCOP_H +#define _UAPICRYPTOCOP_H + +#include <linux/uio.h> + + +#define CRYPTOCOP_SESSION_ID_NONE (0) + +typedef unsigned long long int cryptocop_session_id; + +/* cryptocop ioctls */ +#define ETRAXCRYPTOCOP_IOCTYPE (250) + +#define CRYPTOCOP_IO_CREATE_SESSION _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 1, struct strcop_session_op) +#define CRYPTOCOP_IO_CLOSE_SESSION _IOW(ETRAXCRYPTOCOP_IOCTYPE, 2, struct strcop_session_op) +#define CRYPTOCOP_IO_PROCESS_OP _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 3, struct strcop_crypto_op) +#define CRYPTOCOP_IO_MAXNR (3) + +typedef enum { + cryptocop_cipher_des = 0, + cryptocop_cipher_3des = 1, + cryptocop_cipher_aes = 2, + cryptocop_cipher_m2m = 3, /* mem2mem is essentially a NULL cipher with blocklength=1 */ + cryptocop_cipher_none +} cryptocop_cipher_type; + +typedef enum { + cryptocop_digest_sha1 = 0, + cryptocop_digest_md5 = 1, + cryptocop_digest_none +} cryptocop_digest_type; + +typedef enum { + cryptocop_csum_le = 0, + cryptocop_csum_be = 1, + cryptocop_csum_none +} cryptocop_csum_type; + +typedef enum { + cryptocop_cipher_mode_ecb = 0, + cryptocop_cipher_mode_cbc, + cryptocop_cipher_mode_none +} cryptocop_cipher_mode; + +typedef enum { + cryptocop_3des_eee = 0, + cryptocop_3des_eed = 1, + cryptocop_3des_ede = 2, + cryptocop_3des_edd = 3, + cryptocop_3des_dee = 4, + cryptocop_3des_ded = 5, + cryptocop_3des_dde = 6, + cryptocop_3des_ddd = 7 +} cryptocop_3des_mode; + +/* Usermode accessible (ioctl) operations. */ +struct strcop_session_op{ + cryptocop_session_id ses_id; + + cryptocop_cipher_type cipher; /* AES, DES, 3DES, m2m, none */ + + cryptocop_cipher_mode cmode; /* ECB, CBC, none */ + cryptocop_3des_mode des3_mode; + + cryptocop_digest_type digest; /* MD5, SHA1, none */ + + cryptocop_csum_type csum; /* BE, LE, none */ + + unsigned char *key; + size_t keylen; +}; + +#define CRYPTOCOP_CSUM_LENGTH (2) +#define CRYPTOCOP_MAX_DIGEST_LENGTH (20) /* SHA-1 20, MD5 16 */ +#define CRYPTOCOP_MAX_IV_LENGTH (16) /* (3)DES==8, AES == 16 */ +#define CRYPTOCOP_MAX_KEY_LENGTH (32) + +struct strcop_crypto_op{ + cryptocop_session_id ses_id; + + /* Indata. */ + unsigned char *indata; + size_t inlen; /* Total indata length. */ + + /* Cipher configuration. */ + unsigned char do_cipher:1; + unsigned char decrypt:1; /* 1 == decrypt, 0 == encrypt */ + unsigned char cipher_explicit:1; + size_t cipher_start; + size_t cipher_len; + /* cipher_iv is used if do_cipher and cipher_explicit and the cipher + mode is CBC. The length is controlled by the type of cipher, + e.g. DES/3DES 8 octets and AES 16 octets. */ + unsigned char cipher_iv[CRYPTOCOP_MAX_IV_LENGTH]; + /* Outdata. */ + unsigned char *cipher_outdata; + size_t cipher_outlen; + + /* digest configuration. */ + unsigned char do_digest:1; + size_t digest_start; + size_t digest_len; + /* Outdata. The actual length is determined by the type of the digest. */ + unsigned char digest[CRYPTOCOP_MAX_DIGEST_LENGTH]; + + /* Checksum configuration. */ + unsigned char do_csum:1; + size_t csum_start; + size_t csum_len; + /* Outdata. */ + unsigned char csum[CRYPTOCOP_CSUM_LENGTH]; +}; + + + + +#endif /* _UAPICRYPTOCOP_H */ diff --git a/arch/cris/include/arch-v32/arch/user.h b/arch/cris/include/uapi/arch-v32/arch/user.h index 03fa1f3c3c0..03fa1f3c3c0 100644 --- a/arch/cris/include/arch-v32/arch/user.h +++ b/arch/cris/include/uapi/arch-v32/arch/user.h diff --git a/arch/cris/include/uapi/asm/Kbuild b/arch/cris/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..7d47b366ad8 --- /dev/null +++ b/arch/cris/include/uapi/asm/Kbuild @@ -0,0 +1,39 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +header-y += arch-v10/ +header-y += arch-v32/ +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += errno.h +header-y += ethernet.h +header-y += etraxgpio.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += resource.h +header-y += rs485.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += sync_serial.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/cris/include/asm/auxvec.h b/arch/cris/include/uapi/asm/auxvec.h index cb30b01bf19..cb30b01bf19 100644 --- a/arch/cris/include/asm/auxvec.h +++ b/arch/cris/include/uapi/asm/auxvec.h diff --git a/arch/cris/include/uapi/asm/bitsperlong.h b/arch/cris/include/uapi/asm/bitsperlong.h new file mode 100644 index 00000000000..6dc0bb0c13b --- /dev/null +++ b/arch/cris/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/arch/cris/include/asm/byteorder.h b/arch/cris/include/uapi/asm/byteorder.h index bcd189798e2..bcd189798e2 100644 --- a/arch/cris/include/asm/byteorder.h +++ b/arch/cris/include/uapi/asm/byteorder.h diff --git a/arch/cris/include/asm/errno.h b/arch/cris/include/uapi/asm/errno.h index 2bf5eb5fa77..2bf5eb5fa77 100644 --- a/arch/cris/include/asm/errno.h +++ b/arch/cris/include/uapi/asm/errno.h diff --git a/arch/cris/include/asm/ethernet.h b/arch/cris/include/uapi/asm/ethernet.h index 4d58652c3a4..4d58652c3a4 100644 --- a/arch/cris/include/asm/ethernet.h +++ b/arch/cris/include/uapi/asm/ethernet.h diff --git a/arch/cris/include/asm/etraxgpio.h b/arch/cris/include/uapi/asm/etraxgpio.h index 38f1c8e1770..461c089db76 100644 --- a/arch/cris/include/asm/etraxgpio.h +++ b/arch/cris/include/uapi/asm/etraxgpio.h @@ -1,5 +1,5 @@ /* - * The following devices are accessable using this driver using + * The following devices are accessible using this driver using * GPIO_MAJOR (120) and a couple of minor numbers. * * For ETRAX 100LX (CONFIG_ETRAX_ARCH_V10): @@ -21,31 +21,35 @@ * /dev/leds minor 2, Access to leds depending on kernelconfig * * For ARTPEC-3 (CONFIG_CRIS_MACH_ARTPEC3): - * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction - * /dev/gpiob minor 1, 18 bit GPIO, each bit can change direction - * /dev/gpioc minor 3, 18 bit GPIO, each bit can change direction - * /dev/gpiod minor 4, 18 bit GPIO, each bit can change direction + * /dev/gpioa minor 0, 32 bit GPIO, each bit can change direction + * /dev/gpiob minor 1, 32 bit GPIO, each bit can change direction + * /dev/gpioc minor 3, 16 bit GPIO, each bit can change direction + * /dev/gpiod minor 4, 32 bit GPIO, input only * /dev/leds minor 2, Access to leds depending on kernelconfig * /dev/pwm0 minor 16, PWM channel 0 on PA30 * /dev/pwm1 minor 17, PWM channel 1 on PA31 * /dev/pwm2 minor 18, PWM channel 2 on PB26 + * /dev/ppwm minor 19, PPWM channel * */ #ifndef _ASM_ETRAXGPIO_H #define _ASM_ETRAXGPIO_H +#define GPIO_MINOR_FIRST 0 + +#define ETRAXGPIO_IOCTYPE 43 + /* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */ #ifdef CONFIG_ETRAX_ARCH_V10 -#define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 #define GPIO_MINOR_LEDS 2 #define GPIO_MINOR_G 3 #define GPIO_MINOR_LAST 3 +#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST #endif #ifdef CONFIG_ETRAXFS -#define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 #define GPIO_MINOR_LEDS 2 @@ -58,10 +62,10 @@ #else #define GPIO_MINOR_LAST 5 #endif +#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST #endif #ifdef CONFIG_CRIS_MACH_ARTPEC3 -#define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 #define GPIO_MINOR_LEDS 2 @@ -73,12 +77,17 @@ #else #define GPIO_MINOR_LAST 4 #endif -#define GPIO_MINOR_PWM0 16 -#define GPIO_MINOR_PWM1 17 -#define GPIO_MINOR_PWM2 18 -#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PWM2 +#define GPIO_MINOR_FIRST_PWM 16 +#define GPIO_MINOR_PWM0 (GPIO_MINOR_FIRST_PWM+0) +#define GPIO_MINOR_PWM1 (GPIO_MINOR_FIRST_PWM+1) +#define GPIO_MINOR_PWM2 (GPIO_MINOR_FIRST_PWM+2) +#define GPIO_MINOR_PPWM (GPIO_MINOR_FIRST_PWM+3) +#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PPWM +#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST_PWM #endif + + /* supported ioctl _IOC_NR's */ #define IO_READBITS 0x1 /* read and return current port bits (obsolete) */ @@ -125,12 +134,10 @@ */ #define IO_READ_INBITS 0x10 /* *arg is result of reading the input pins */ #define IO_READ_OUTBITS 0x11 /* *arg is result of reading the output shadow */ -#define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input, - * *arg updated with current input pins. - */ -#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, - * *arg updated with current output pins. - */ +#define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input, */ + /* *arg updated with current input pins. */ +#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, */ + /* *arg updated with current output pins. */ /* The following ioctl's are applicable to the PWM channels only */ @@ -140,7 +147,8 @@ enum io_pwm_mode { PWM_OFF = 0, /* disabled, deallocated */ PWM_STANDARD = 1, /* 390 kHz, duty cycle 0..255/256 */ PWM_FAST = 2, /* variable freq, w/ 10ns active pulse len */ - PWM_VARFREQ = 3 /* individually configurable high/low periods */ + PWM_VARFREQ = 3, /* individually configurable high/low periods */ + PWM_SOFT = 4 /* software generated */ }; struct io_pwm_set_mode { @@ -176,4 +184,56 @@ struct io_pwm_set_duty { int duty; /* 0..255 */ }; +/* Returns information about the latest PWM pulse. + * lo: Length of the latest low period, in units of 10ns. + * hi: Length of the latest high period, in units of 10ns. + * cnt: Time since last detected edge, in units of 10ns. + * + * The input source to PWM is decied by IO_PWM_SET_INPUT_SRC. + * + * NOTE: All PWM devices is connected to the same input source. + */ +#define IO_PWM_GET_PERIOD 0x23 + +struct io_pwm_get_period { + unsigned int lo; + unsigned int hi; + unsigned int cnt; +}; + +/* Sets the input source for the PWM input. For the src value see the + * register description for gio:rw_pwm_in_cfg. + * + * NOTE: All PWM devices is connected to the same input source. + */ +#define IO_PWM_SET_INPUT_SRC 0x24 +struct io_pwm_set_input_src { + unsigned int src; /* 0..7 */ +}; + +/* Sets the duty cycles in steps of 1/256, 0 = 0%, 255 = 100% duty cycle */ +#define IO_PPWM_SET_DUTY 0x25 + +struct io_ppwm_set_duty { + int duty; /* 0..255 */ +}; + +/* Configuraton struct for the IO_PWMCLK_SET_CONFIG ioctl to configure + * PWM capable gpio pins: + */ +#define IO_PWMCLK_SETGET_CONFIG 0x26 +struct gpio_pwmclk_conf { + unsigned int gpiopin; /* The pin number based on the opened device */ + unsigned int baseclk; /* The base clock to use, or sw will select one close*/ + unsigned int low; /* The number of low periods of the baseclk */ + unsigned int high; /* The number of high periods of the baseclk */ +}; + +/* Examples: + * To get a symmetric 12 MHz clock without knowing anything about the hardware: + * baseclk = 12000000, low = 0, high = 0 + * To just get info of current setting: + * baseclk = 0, low = 0, high = 0, the values will be updated by driver. + */ + #endif diff --git a/arch/cris/include/asm/fcntl.h b/arch/cris/include/uapi/asm/fcntl.h index 46ab12db573..46ab12db573 100644 --- a/arch/cris/include/asm/fcntl.h +++ b/arch/cris/include/uapi/asm/fcntl.h diff --git a/arch/cris/include/asm/ioctl.h b/arch/cris/include/uapi/asm/ioctl.h index b279fe06dfe..b279fe06dfe 100644 --- a/arch/cris/include/asm/ioctl.h +++ b/arch/cris/include/uapi/asm/ioctl.h diff --git a/arch/cris/include/uapi/asm/ioctls.h b/arch/cris/include/uapi/asm/ioctls.h new file mode 100644 index 00000000000..488fbb3f5e8 --- /dev/null +++ b/arch/cris/include/uapi/asm/ioctls.h @@ -0,0 +1,11 @@ +#ifndef __ARCH_CRIS_IOCTLS_H__ +#define __ARCH_CRIS_IOCTLS_H__ + +#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ +#define TIOCSERSETRS485 0x5461 /* enable rs-485 (deprecated) */ +#define TIOCSERWRRS485 0x5462 /* write rs-485 */ +#define TIOCSRS485 0x5463 /* enable rs-485 */ + +#include <asm-generic/ioctls.h> + +#endif diff --git a/arch/cris/include/uapi/asm/ipcbuf.h b/arch/cris/include/uapi/asm/ipcbuf.h new file mode 100644 index 00000000000..84c7e51cb6d --- /dev/null +++ b/arch/cris/include/uapi/asm/ipcbuf.h @@ -0,0 +1 @@ +#include <asm-generic/ipcbuf.h> diff --git a/arch/cris/include/uapi/asm/kvm_para.h b/arch/cris/include/uapi/asm/kvm_para.h new file mode 100644 index 00000000000..14fab8f0b95 --- /dev/null +++ b/arch/cris/include/uapi/asm/kvm_para.h @@ -0,0 +1 @@ +#include <asm-generic/kvm_para.h> diff --git a/arch/cris/include/uapi/asm/mman.h b/arch/cris/include/uapi/asm/mman.h new file mode 100644 index 00000000000..8eebf89f5ab --- /dev/null +++ b/arch/cris/include/uapi/asm/mman.h @@ -0,0 +1 @@ +#include <asm-generic/mman.h> diff --git a/arch/cris/include/asm/msgbuf.h b/arch/cris/include/uapi/asm/msgbuf.h index ada63df1d57..ada63df1d57 100644 --- a/arch/cris/include/asm/msgbuf.h +++ b/arch/cris/include/uapi/asm/msgbuf.h diff --git a/arch/cris/include/uapi/asm/param.h b/arch/cris/include/uapi/asm/param.h new file mode 100644 index 00000000000..484fcf8667c --- /dev/null +++ b/arch/cris/include/uapi/asm/param.h @@ -0,0 +1,10 @@ +#ifndef _ASMCRIS_PARAM_H +#define _ASMCRIS_PARAM_H + +/* Currently we assume that HZ=100 is good for CRIS. */ + +#define EXEC_PAGESIZE 8192 + +#include <asm-generic/param.h> + +#endif /* _ASMCRIS_PARAM_H */ diff --git a/arch/cris/include/asm/poll.h b/arch/cris/include/uapi/asm/poll.h index c98509d3149..c98509d3149 100644 --- a/arch/cris/include/asm/poll.h +++ b/arch/cris/include/uapi/asm/poll.h diff --git a/arch/cris/include/uapi/asm/posix_types.h b/arch/cris/include/uapi/asm/posix_types.h new file mode 100644 index 00000000000..0f22e6a67ea --- /dev/null +++ b/arch/cris/include/uapi/asm/posix_types.h @@ -0,0 +1,30 @@ +/* $Id: posix_types.h,v 1.1 2000/07/10 16:32:31 bjornw Exp $ */ + +/* We cheat a bit and use our C-coded bitops functions from asm/bitops.h */ +/* I guess we should write these in assembler because they are used often. */ + +#ifndef __ARCH_CRIS_POSIX_TYPES_H +#define __ARCH_CRIS_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned short __kernel_mode_t; +#define __kernel_mode_t __kernel_mode_t + +typedef unsigned short __kernel_ipc_pid_t; +#define __kernel_ipc_pid_t __kernel_ipc_pid_t + +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +#define __kernel_uid_t __kernel_uid_t + +typedef unsigned short __kernel_old_dev_t; +#define __kernel_old_dev_t __kernel_old_dev_t + +#include <asm-generic/posix_types.h> + +#endif /* __ARCH_CRIS_POSIX_TYPES_H */ diff --git a/arch/cris/include/uapi/asm/ptrace.h b/arch/cris/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..c689c9bbbe5 --- /dev/null +++ b/arch/cris/include/uapi/asm/ptrace.h @@ -0,0 +1 @@ +#include <arch/ptrace.h> diff --git a/arch/cris/include/asm/resource.h b/arch/cris/include/uapi/asm/resource.h index b5d29448de4..b5d29448de4 100644 --- a/arch/cris/include/asm/resource.h +++ b/arch/cris/include/uapi/asm/resource.h diff --git a/arch/cris/include/asm/rs485.h b/arch/cris/include/uapi/asm/rs485.h index ad40f9fbcb8..ad40f9fbcb8 100644 --- a/arch/cris/include/asm/rs485.h +++ b/arch/cris/include/uapi/asm/rs485.h diff --git a/arch/cris/include/asm/sembuf.h b/arch/cris/include/uapi/asm/sembuf.h index 7fed9843796..7fed9843796 100644 --- a/arch/cris/include/asm/sembuf.h +++ b/arch/cris/include/uapi/asm/sembuf.h diff --git a/arch/cris/include/asm/setup.h b/arch/cris/include/uapi/asm/setup.h index b90728652d1..b90728652d1 100644 --- a/arch/cris/include/asm/setup.h +++ b/arch/cris/include/uapi/asm/setup.h diff --git a/arch/cris/include/asm/shmbuf.h b/arch/cris/include/uapi/asm/shmbuf.h index 3239e3f000e..3239e3f000e 100644 --- a/arch/cris/include/asm/shmbuf.h +++ b/arch/cris/include/uapi/asm/shmbuf.h diff --git a/arch/cris/include/asm/sigcontext.h b/arch/cris/include/uapi/asm/sigcontext.h index a1d634e120d..a1d634e120d 100644 --- a/arch/cris/include/asm/sigcontext.h +++ b/arch/cris/include/uapi/asm/sigcontext.h diff --git a/arch/cris/include/asm/siginfo.h b/arch/cris/include/uapi/asm/siginfo.h index c1cd6d16928..c1cd6d16928 100644 --- a/arch/cris/include/asm/siginfo.h +++ b/arch/cris/include/uapi/asm/siginfo.h diff --git a/arch/cris/include/uapi/asm/signal.h b/arch/cris/include/uapi/asm/signal.h new file mode 100644 index 00000000000..ce42fa7c32a --- /dev/null +++ b/arch/cris/include/uapi/asm/signal.h @@ -0,0 +1,116 @@ +#ifndef _UAPI_ASM_CRIS_SIGNAL_H +#define _UAPI_ASM_CRIS_SIGNAL_H + +#include <linux/types.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* __KERNEL__ */ + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX _NSIG + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ + +#define SA_NOCLDSTOP 0x00000001u +#define SA_NOCLDWAIT 0x00000002u +#define SA_SIGINFO 0x00000004u +#define SA_ONSTACK 0x08000000u +#define SA_RESTART 0x10000000u +#define SA_NODEFER 0x40000000u +#define SA_RESETHAND 0x80000000u + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +#define SA_RESTORER 0x04000000 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#include <asm-generic/signal-defs.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +typedef struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + + +#endif /* _UAPI_ASM_CRIS_SIGNAL_H */ diff --git a/arch/cris/include/asm/socket.h b/arch/cris/include/uapi/asm/socket.h index d5cf7400540..ed94e5ed0a2 100644 --- a/arch/cris/include/asm/socket.h +++ b/arch/cris/include/uapi/asm/socket.h @@ -24,7 +24,7 @@ #define SO_PRIORITY 12 #define SO_LINGER 13 #define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ +#define SO_REUSEPORT 15 #define SO_PASSCRED 16 #define SO_PEERCRED 17 #define SO_RCVLOWAT 18 @@ -42,6 +42,7 @@ /* Socket filtering */ #define SO_ATTACH_FILTER 26 #define SO_DETACH_FILTER 27 +#define SO_GET_FILTER SO_ATTACH_FILTER #define SO_PEERNAME 28 #define SO_TIMESTAMP 29 @@ -59,6 +60,28 @@ #define SO_TIMESTAMPING 37 #define SCM_TIMESTAMPING SO_TIMESTAMPING +#define SO_PROTOCOL 38 +#define SO_DOMAIN 39 + +#define SO_RXQ_OVFL 40 + +#define SO_WIFI_STATUS 41 +#define SCM_WIFI_STATUS SO_WIFI_STATUS +#define SO_PEEK_OFF 42 + +/* Instruct lower device to use last 4-bytes of skb data as FCS */ +#define SO_NOFCS 43 + +#define SO_LOCK_FILTER 44 + +#define SO_SELECT_ERR_QUEUE 45 + +#define SO_BUSY_POLL 46 + +#define SO_MAX_PACING_RATE 47 + +#define SO_BPF_EXTENSIONS 48 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/cris/include/asm/sockios.h b/arch/cris/include/uapi/asm/sockios.h index cfe7bfecf59..cfe7bfecf59 100644 --- a/arch/cris/include/asm/sockios.h +++ b/arch/cris/include/uapi/asm/sockios.h diff --git a/arch/cris/include/asm/stat.h b/arch/cris/include/uapi/asm/stat.h index 9e558cc3c43..9e558cc3c43 100644 --- a/arch/cris/include/asm/stat.h +++ b/arch/cris/include/uapi/asm/stat.h diff --git a/arch/cris/include/asm/statfs.h b/arch/cris/include/uapi/asm/statfs.h index fdaf921844b..fdaf921844b 100644 --- a/arch/cris/include/asm/statfs.h +++ b/arch/cris/include/uapi/asm/statfs.h diff --git a/arch/cris/include/uapi/asm/swab.h b/arch/cris/include/uapi/asm/swab.h new file mode 100644 index 00000000000..4adf1e9f0b0 --- /dev/null +++ b/arch/cris/include/uapi/asm/swab.h @@ -0,0 +1,3 @@ +/* + * CRIS byte swapping. + */ diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/uapi/asm/sync_serial.h index d87c24df2b3..7f827fea30e 100644 --- a/arch/cris/include/asm/sync_serial.h +++ b/arch/cris/include/uapi/asm/sync_serial.h @@ -19,6 +19,7 @@ #define SSP_OPOLARITY _IOR('S', 4, unsigned int) #define SSP_SPI _IOR('S', 5, unsigned int) #define SSP_INBUFCHUNK _IOR('S', 6, unsigned int) +#define SSP_INPUT _IOR('S', 7, unsigned int) /* Values for SSP_SPEED */ #define SSP150 0 @@ -37,6 +38,7 @@ #define SSP921600 13 #define SSP3125000 14 #define CODEC 15 +#define CODEC_f32768 16 #define FREQ_4MHz 0 #define FREQ_2MHz 1 @@ -46,9 +48,14 @@ #define FREQ_128kHz 5 #define FREQ_64kHz 6 #define FREQ_32kHz 7 +/* FREQ_* with values where bit (value & 0x10) is set are */ +/* used for CODEC_f32768 */ +#define FREQ_4096kHz 16 /* CODEC_f32768 */ /* Used by application to set CODEC divider, word rate and frame rate */ -#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28)) +#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \ + ((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \ + (clk_per_sync << 16) | (sync_per_frame << 28)) /* Used by driver to extract speed */ #define GET_SPEED(x) (x & 0xff) @@ -68,6 +75,7 @@ #define NORMAL_SYNC 1 #define EARLY_SYNC 2 #define SECOND_WORD_SYNC 0x40000 +#define LATE_SYNC 0x80000 #define BIT_SYNC 4 #define WORD_SYNC 8 @@ -104,4 +112,21 @@ /* Values for SSP_INBUFCHUNK */ /* plain integer with the size of DMA chunks */ +/* To ensure that the timestamps are aligned with the data being read + * the read length MUST be a multiple of the length of the DMA buffers. + * + * Use a multiple of SSP_INPUT_CHUNK_SIZE defined below. + */ +#define SSP_INPUT_CHUNK_SIZE 256 + +/* Request struct to pass through the ioctl interface to read + * data with timestamps. + */ +struct ssp_request { + char __user *buf; /* Where to put the data. */ + size_t len; /* Size of buf. MUST be a multiple of */ + /* SSP_INPUT_CHUNK_SIZE! */ + struct timespec ts; /* The time the data was sampled. */ +}; + #endif diff --git a/arch/cris/include/asm/termbits.h b/arch/cris/include/uapi/asm/termbits.h index 66e1a7492a0..1c43bc874cc 100644 --- a/arch/cris/include/asm/termbits.h +++ b/arch/cris/include/uapi/asm/termbits.h @@ -214,6 +214,7 @@ struct ktermios { #define FLUSHO 0010000 #define PENDIN 0040000 #define IEXTEN 0100000 +#define EXTPROC 0200000 /* tcflow() and TCXONC use these */ #define TCOOFF 0 diff --git a/arch/cris/include/uapi/asm/termios.h b/arch/cris/include/uapi/asm/termios.h new file mode 100644 index 00000000000..0a0386a5502 --- /dev/null +++ b/arch/cris/include/uapi/asm/termios.h @@ -0,0 +1,45 @@ +#ifndef _UAPI_CRIS_TERMIOS_H +#define _UAPI_CRIS_TERMIOS_H + +#include <asm/termbits.h> +#include <asm/ioctls.h> +#include <asm/rs485.h> +#include <linux/serial.h> + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + + +#endif /* _UAPI_CRIS_TERMIOS_H */ diff --git a/arch/cris/include/uapi/asm/types.h b/arch/cris/include/uapi/asm/types.h new file mode 100644 index 00000000000..9ec9d4c5ac4 --- /dev/null +++ b/arch/cris/include/uapi/asm/types.h @@ -0,0 +1 @@ +#include <asm-generic/int-ll64.h> diff --git a/arch/cris/include/uapi/asm/unistd.h b/arch/cris/include/uapi/asm/unistd.h new file mode 100644 index 00000000000..f3287face44 --- /dev/null +++ b/arch/cris/include/uapi/asm/unistd.h @@ -0,0 +1,360 @@ +#ifndef _UAPI_ASM_CRIS_UNISTD_H_ +#define _UAPI_ASM_CRIS_UNISTD_H_ + +/* + * This file contains the system call numbers, and stub macros for libc. + */ + +#define __NR_restart_syscall 0 +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_waitpid 7 +#define __NR_creat 8 +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_execve 11 +#define __NR_chdir 12 +#define __NR_time 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_lchown 16 +#define __NR_break 17 +#define __NR_oldstat 18 +#define __NR_lseek 19 +#define __NR_getpid 20 +#define __NR_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_ptrace 26 +#define __NR_alarm 27 +#define __NR_oldfstat 28 +#define __NR_pause 29 +#define __NR_utime 30 +#define __NR_stty 31 +#define __NR_gtty 32 +#define __NR_access 33 +#define __NR_nice 34 +#define __NR_ftime 35 +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_rename 38 +#define __NR_mkdir 39 +#define __NR_rmdir 40 +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_times 43 +#define __NR_prof 44 +#define __NR_brk 45 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_signal 48 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_acct 51 +#define __NR_umount2 52 +#define __NR_lock 53 +#define __NR_ioctl 54 +#define __NR_fcntl 55 +#define __NR_mpx 56 +#define __NR_setpgid 57 +#define __NR_ulimit 58 +#define __NR_oldolduname 59 +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_ustat 62 +#define __NR_dup2 63 +#define __NR_getppid 64 +#define __NR_getpgrp 65 +#define __NR_setsid 66 +#define __NR_sigaction 67 +#define __NR_sgetmask 68 +#define __NR_ssetmask 69 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_sigsuspend 72 +#define __NR_sigpending 73 +#define __NR_sethostname 74 +#define __NR_setrlimit 75 +#define __NR_getrlimit 76 +#define __NR_getrusage 77 +#define __NR_gettimeofday 78 +#define __NR_settimeofday 79 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_select 82 +#define __NR_symlink 83 +#define __NR_oldlstat 84 +#define __NR_readlink 85 +#define __NR_uselib 86 +#define __NR_swapon 87 +#define __NR_reboot 88 +#define __NR_readdir 89 +#define __NR_mmap 90 +#define __NR_munmap 91 +#define __NR_truncate 92 +#define __NR_ftruncate 93 +#define __NR_fchmod 94 +#define __NR_fchown 95 +#define __NR_getpriority 96 +#define __NR_setpriority 97 +#define __NR_profil 98 +#define __NR_statfs 99 +#define __NR_fstatfs 100 +#define __NR_ioperm 101 +#define __NR_socketcall 102 +#define __NR_syslog 103 +#define __NR_setitimer 104 +#define __NR_getitimer 105 +#define __NR_stat 106 +#define __NR_lstat 107 +#define __NR_fstat 108 +#define __NR_olduname 109 +#define __NR_iopl 110 +#define __NR_vhangup 111 +#define __NR_idle 112 +#define __NR_vm86 113 +#define __NR_wait4 114 +#define __NR_swapoff 115 +#define __NR_sysinfo 116 +#define __NR_ipc 117 +#define __NR_fsync 118 +#define __NR_sigreturn 119 +#define __NR_clone 120 +#define __NR_setdomainname 121 +#define __NR_uname 122 +#define __NR_modify_ldt 123 +#define __NR_adjtimex 124 +#define __NR_mprotect 125 +#define __NR_sigprocmask 126 +#define __NR_create_module 127 +#define __NR_init_module 128 +#define __NR_delete_module 129 +#define __NR_get_kernel_syms 130 +#define __NR_quotactl 131 +#define __NR_getpgid 132 +#define __NR_fchdir 133 +#define __NR_bdflush 134 +#define __NR_sysfs 135 +#define __NR_personality 136 +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR_getdents 141 +#define __NR__newselect 142 +#define __NR_flock 143 +#define __NR_msync 144 +#define __NR_readv 145 +#define __NR_writev 146 +#define __NR_getsid 147 +#define __NR_fdatasync 148 +#define __NR__sysctl 149 +#define __NR_mlock 150 +#define __NR_munlock 151 +#define __NR_mlockall 152 +#define __NR_munlockall 153 +#define __NR_sched_setparam 154 +#define __NR_sched_getparam 155 +#define __NR_sched_setscheduler 156 +#define __NR_sched_getscheduler 157 +#define __NR_sched_yield 158 +#define __NR_sched_get_priority_max 159 +#define __NR_sched_get_priority_min 160 +#define __NR_sched_rr_get_interval 161 +#define __NR_nanosleep 162 +#define __NR_mremap 163 +#define __NR_setresuid 164 +#define __NR_getresuid 165 + +#define __NR_query_module 167 +#define __NR_poll 168 +#define __NR_nfsservctl 169 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_prctl 172 +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigtimedwait 177 +#define __NR_rt_sigqueueinfo 178 +#define __NR_rt_sigsuspend 179 +#define __NR_pread64 180 +#define __NR_pwrite64 181 +#define __NR_chown 182 +#define __NR_getcwd 183 +#define __NR_capget 184 +#define __NR_capset 185 +#define __NR_sigaltstack 186 +#define __NR_sendfile 187 +#define __NR_getpmsg 188 /* some people actually want streams */ +#define __NR_putpmsg 189 /* some people actually want streams */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_pivot_root 217 +#define __NR_mincore 218 +#define __NR_madvise 219 +#define __NR_getdents64 220 +#define __NR_fcntl64 221 +/* 223 is unused */ +#define __NR_gettid 224 +#define __NR_readahead 225 +#define __NR_setxattr 226 +#define __NR_lsetxattr 227 +#define __NR_fsetxattr 228 +#define __NR_getxattr 229 +#define __NR_lgetxattr 230 +#define __NR_fgetxattr 231 +#define __NR_listxattr 232 +#define __NR_llistxattr 233 +#define __NR_flistxattr 234 +#define __NR_removexattr 235 +#define __NR_lremovexattr 236 +#define __NR_fremovexattr 237 +#define __NR_tkill 238 +#define __NR_sendfile64 239 +#define __NR_futex 240 +#define __NR_sched_setaffinity 241 +#define __NR_sched_getaffinity 242 +#define __NR_set_thread_area 243 +#define __NR_get_thread_area 244 +#define __NR_io_setup 245 +#define __NR_io_destroy 246 +#define __NR_io_getevents 247 +#define __NR_io_submit 248 +#define __NR_io_cancel 249 +#define __NR_fadvise64 250 +/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ +#define __NR_exit_group 252 +#define __NR_lookup_dcookie 253 +#define __NR_epoll_create 254 +#define __NR_epoll_ctl 255 +#define __NR_epoll_wait 256 +#define __NR_remap_file_pages 257 +#define __NR_set_tid_address 258 +#define __NR_timer_create 259 +#define __NR_timer_settime (__NR_timer_create+1) +#define __NR_timer_gettime (__NR_timer_create+2) +#define __NR_timer_getoverrun (__NR_timer_create+3) +#define __NR_timer_delete (__NR_timer_create+4) +#define __NR_clock_settime (__NR_timer_create+5) +#define __NR_clock_gettime (__NR_timer_create+6) +#define __NR_clock_getres (__NR_timer_create+7) +#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_statfs64 268 +#define __NR_fstatfs64 269 +#define __NR_tgkill 270 +#define __NR_utimes 271 +#define __NR_fadvise64_64 272 +#define __NR_vserver 273 +#define __NR_mbind 274 +#define __NR_get_mempolicy 275 +#define __NR_set_mempolicy 276 +#define __NR_mq_open 277 +#define __NR_mq_unlink (__NR_mq_open+1) +#define __NR_mq_timedsend (__NR_mq_open+2) +#define __NR_mq_timedreceive (__NR_mq_open+3) +#define __NR_mq_notify (__NR_mq_open+4) +#define __NR_mq_getsetattr (__NR_mq_open+5) +#define __NR_kexec_load 283 +#define __NR_waitid 284 +/* #define __NR_sys_setaltroot 285 */ +#define __NR_add_key 286 +#define __NR_request_key 287 +#define __NR_keyctl 288 +#define __NR_ioprio_set 289 +#define __NR_ioprio_get 290 +#define __NR_inotify_init 291 +#define __NR_inotify_add_watch 292 +#define __NR_inotify_rm_watch 293 +#define __NR_migrate_pages 294 +#define __NR_openat 295 +#define __NR_mkdirat 296 +#define __NR_mknodat 297 +#define __NR_fchownat 298 +#define __NR_futimesat 299 +#define __NR_fstatat64 300 +#define __NR_unlinkat 301 +#define __NR_renameat 302 +#define __NR_linkat 303 +#define __NR_symlinkat 304 +#define __NR_readlinkat 305 +#define __NR_fchmodat 306 +#define __NR_faccessat 307 +#define __NR_pselect6 308 +#define __NR_ppoll 309 +#define __NR_unshare 310 +#define __NR_set_robust_list 311 +#define __NR_get_robust_list 312 +#define __NR_splice 313 +#define __NR_sync_file_range 314 +#define __NR_tee 315 +#define __NR_vmsplice 316 +#define __NR_move_pages 317 +#define __NR_getcpu 318 +#define __NR_epoll_pwait 319 +#define __NR_utimensat 320 +#define __NR_signalfd 321 +#define __NR_timerfd_create 322 +#define __NR_eventfd 323 +#define __NR_fallocate 324 +#define __NR_timerfd_settime 325 +#define __NR_timerfd_gettime 326 +#define __NR_signalfd4 327 +#define __NR_eventfd2 328 +#define __NR_epoll_create1 329 +#define __NR_dup3 330 +#define __NR_pipe2 331 +#define __NR_inotify_init1 332 +#define __NR_preadv 333 +#define __NR_pwritev 334 +#define __NR_setns 335 +#define __NR_name_to_handle_at 336 +#define __NR_open_by_handle_at 337 +#define __NR_rt_tgsigqueueinfo 338 +#define __NR_perf_event_open 339 +#define __NR_recvmmsg 340 +#define __NR_accept4 341 +#define __NR_fanotify_init 342 +#define __NR_fanotify_mark 343 +#define __NR_prlimit64 344 +#define __NR_clock_adjtime 345 +#define __NR_syncfs 346 +#define __NR_sendmmsg 347 +#define __NR_process_vm_readv 348 +#define __NR_process_vm_writev 349 +#define __NR_kcmp 350 +#define __NR_finit_module 351 + +#endif /* _UAPI_ASM_CRIS_UNISTD_H_ */ diff --git a/arch/cris/kernel/Makefile b/arch/cris/kernel/Makefile index ee7bcd4d20b..b45640b3e60 100644 --- a/arch/cris/kernel/Makefile +++ b/arch/cris/kernel/Makefile @@ -3,6 +3,7 @@ # Makefile for the linux kernel. # +CPPFLAGS_vmlinux.lds := -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE) extra-y := vmlinux.lds obj-y := process.o traps.o irq.o ptrace.o setup.o time.o sys_cris.o diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c index ddd6fbbe75d..a5fd88d816a 100644 --- a/arch/cris/kernel/asm-offsets.c +++ b/arch/cris/kernel/asm-offsets.c @@ -1,6 +1,6 @@ +#include <linux/kbuild.h> #include <linux/sched.h> #include <asm/thread_info.h> -#include <linux/autoconf.h> /* * Generate definitions needed by assembly language modules. @@ -8,11 +8,6 @@ * and format the required data. */ -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - #if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32) #error One of ARCH v10 and ARCH v32 must be true! #endif diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c index 7ac000f6a88..5868cee20eb 100644 --- a/arch/cris/kernel/crisksyms.c +++ b/arch/cris/kernel/crisksyms.c @@ -30,7 +30,6 @@ extern void __negdi2(void); extern void iounmap(volatile void * __iomem); /* Platform dependent support */ -EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(get_cmos_time); EXPORT_SYMBOL(loops_per_usec); diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c index 7f642fcffbf..dd0be5de55d 100644 --- a/arch/cris/kernel/irq.c +++ b/arch/cris/kernel/irq.c @@ -29,7 +29,6 @@ #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/timex.h> -#include <linux/slab.h> #include <linux/random.h> #include <linux/init.h> #include <linux/seq_file.h> @@ -37,56 +36,10 @@ #include <linux/spinlock.h> #include <asm/io.h> - -void ack_bad_irq(unsigned int irq) -{ - printk("unexpected IRQ trap at vector %02x\n", irq); -} - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v, j; - struct irqaction * action; - unsigned long flags; - - if (i == 0) { - seq_printf(p, " "); - for_each_online_cpu(j) - seq_printf(p, "CPU%d ",j); - seq_putc(p, '\n'); - } - - if (i < NR_IRQS) { - spin_lock_irqsave(&irq_desc[i].lock, flags); - action = irq_desc[i].action; - if (!action) - goto skip; - seq_printf(p, "%3d: ",i); -#ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); -#else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); -#endif - seq_printf(p, " %14s", irq_desc[i].chip->typename); - seq_printf(p, " %s", action->name); - - for (action=action->next; action; action = action->next) - seq_printf(p, ", %s", action->name); - - seq_putc(p, '\n'); -skip: - spin_unlock_irqrestore(&irq_desc[i].lock, flags); - } - return 0; -} - +#include <arch/system.h> /* called by the assembler IRQ entry functions defined in irq.h * to dispatch the interrupts to registered handlers - * interrupts are disabled upon entry - depending on if the - * interrupt was registered with IRQF_DISABLED or not, interrupts - * are re-enabled or not. */ asmlinkage void do_IRQ(int irq, struct pt_regs * regs) @@ -99,8 +52,8 @@ asmlinkage void do_IRQ(int irq, struct pt_regs * regs) printk("do_IRQ: stack overflow: %lX\n", sp); show_stack(NULL, (unsigned long *)sp); } - __do_IRQ(irq); - irq_exit(); + generic_handle_irq(irq); + irq_exit(); set_irq_regs(old_regs); } diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c index a187833febc..51123f985eb 100644 --- a/arch/cris/kernel/module.c +++ b/arch/cris/kernel/module.c @@ -21,6 +21,7 @@ #include <linux/fs.h> #include <linux/string.h> #include <linux/kernel.h> +#include <linux/slab.h> #if 0 #define DEBUGP printk @@ -29,47 +30,17 @@ #endif #ifdef CONFIG_ETRAX_KMALLOCED_MODULES -#define MALLOC_MODULE(size) kmalloc(size, GFP_KERNEL) -#define FREE_MODULE(region) kfree(region) -#else -#define MALLOC_MODULE(size) vmalloc_exec(size) -#define FREE_MODULE(region) vfree(region) -#endif - void *module_alloc(unsigned long size) { - if (size == 0) - return NULL; - return MALLOC_MODULE(size); + return kmalloc(size, GFP_KERNEL); } - /* Free memory returned from module_alloc */ void module_free(struct module *mod, void *module_region) { - FREE_MODULE(module_region); - /* FIXME: If module_region == mod->init_region, trim exception - table entries. */ -} - -/* We don't need anything special. */ -int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - return 0; -} - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "module %s: REL relocation unsupported\n", me->name); - return -ENOEXEC; + kfree(module_region); } +#endif int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, @@ -109,14 +80,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, return 0; } - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *me) -{ - return 0; -} - -void module_arch_cleanup(struct module *mod) -{ -} diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c index 4df0b320d52..b78498eb079 100644 --- a/arch/cris/kernel/process.c +++ b/arch/cris/kernel/process.c @@ -12,11 +12,10 @@ * This file handles the architecture-dependent parts of process handling.. */ -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/irq.h> -#include <asm/system.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/init_task.h> @@ -26,104 +25,18 @@ #include <linux/elfcore.h> #include <linux/mqueue.h> #include <linux/reboot.h> +#include <linux/rcupdate.h> //#define DEBUG -/* - * Initial task structure. Make this a per-architecture thing, - * because different architectures tend to have different - * alignment requirements and potentially different initial - * setup. - */ - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -struct mm_struct init_mm = INIT_MM(init_mm); - -EXPORT_SYMBOL(init_mm); - -/* - * Initial thread structure. - * - * We need to make sure that this is 8192-byte aligned due to the - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"))) = - { INIT_THREAD_INFO(init_task) }; - -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); - -EXPORT_SYMBOL(init_task); - -/* - * The hlt_counter, disable_hlt and enable_hlt is just here as a hook if - * there would ever be a halt sequence (for power save when idle) with - * some largish delay when halting or resuming *and* a driver that can't - * afford that delay. The hlt_counter would then be checked before - * executing the halt sequence, and the driver marks the unhaltable - * region by enable_hlt/disable_hlt. - */ - -int cris_hlt_counter=0; - -void disable_hlt(void) -{ - cris_hlt_counter++; -} - -EXPORT_SYMBOL(disable_hlt); - -void enable_hlt(void) -{ - cris_hlt_counter--; -} - -EXPORT_SYMBOL(enable_hlt); - -/* - * The following aren't currently used. - */ -void (*pm_idle)(void); - extern void default_idle(void); void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ - -void cpu_idle (void) +void arch_cpu_idle(void) { - /* endless idle loop with no priority at all */ - while (1) { - while (!need_resched()) { - void (*idle)(void); - /* - * Mark this as an RCU critical section so that - * synchronize_kernel() in the unload path waits - * for our completion. - */ - idle = pm_idle; - if (!idle) - idle = default_idle; - idle(); - } - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } + default_idle(); } void hard_reset_now (void); diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c index 9aa571169bc..cd9f15b92f8 100644 --- a/arch/cris/kernel/profile.c +++ b/arch/cris/kernel/profile.c @@ -2,18 +2,18 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/proc_fs.h> +#include <linux/slab.h> #include <linux/types.h> #include <asm/ptrace.h> #include <asm/uaccess.h> #define SAMPLE_BUFFER_SIZE 8192 -static char* sample_buffer; -static char* sample_buffer_pos; +static char *sample_buffer; +static char *sample_buffer_pos; static int prof_running = 0; -void -cris_profile_sample(struct pt_regs* regs) +void cris_profile_sample(struct pt_regs *regs) { if (!prof_running) return; @@ -23,7 +23,7 @@ cris_profile_sample(struct pt_regs* regs) else *(unsigned int*)sample_buffer_pos = 0; - *(unsigned int*)(sample_buffer_pos + 4) = instruction_pointer(regs); + *(unsigned int *)(sample_buffer_pos + 4) = instruction_pointer(regs); sample_buffer_pos += 8; if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE) @@ -53,15 +53,16 @@ write_cris_profile(struct file *file, const char __user *buf, { sample_buffer_pos = sample_buffer; memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE); + return count < SAMPLE_BUFFER_SIZE ? count : SAMPLE_BUFFER_SIZE; } static const struct file_operations cris_proc_profile_operations = { .read = read_cris_profile, .write = write_cris_profile, + .llseek = default_llseek, }; -static int -__init init_cris_profile(void) +static int __init init_cris_profile(void) { struct proc_dir_entry *entry; @@ -75,11 +76,11 @@ __init init_cris_profile(void) entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL, &cris_proc_profile_operations); if (entry) { - entry->size = SAMPLE_BUFFER_SIZE; + proc_set_size(entry, SAMPLE_BUFFER_SIZE); } prof_running = 1; return 0; } - __initcall(init_cris_profile); + diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c index b326023baab..58d44ee1a71 100644 --- a/arch/cris/kernel/ptrace.c +++ b/arch/cris/kernel/ptrace.c @@ -16,11 +16,11 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> +#include <linux/tracehook.h> #include <asm/uaccess.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> @@ -36,4 +36,9 @@ void do_notify_resume(int canrestart, struct pt_regs *regs, /* deal with pending signal delivery */ if (thread_info_flags & _TIF_SIGPENDING) do_signal(canrestart,regs); + + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } } diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c index b712f4934c4..905b70ea993 100644 --- a/arch/cris/kernel/setup.c +++ b/arch/cris/kernel/setup.c @@ -20,6 +20,7 @@ #include <linux/pfn.h> #include <linux/cpu.h> #include <asm/setup.h> +#include <arch/system.h> /* * Setup options @@ -164,6 +165,7 @@ void __init setup_arch(char **cmdline_p) strcpy(init_utsname()->machine, cris_machine_name); } +#ifdef CONFIG_PROC_FS static void *c_start(struct seq_file *m, loff_t *pos) { return *pos < nr_cpu_ids ? (void *)(int)(*pos + 1) : NULL; @@ -187,6 +189,7 @@ const struct seq_operations cpuinfo_op = { .stop = c_stop, .show = show_cpuinfo, }; +#endif /* CONFIG_PROC_FS */ static int __init topology_init(void) { diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c index a79fbd87021..7aa036ec78f 100644 --- a/arch/cris/kernel/sys_cris.c +++ b/arch/cris/kernel/sys_cris.c @@ -15,7 +15,6 @@ #include <linux/mm.h> #include <linux/fs.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> @@ -27,130 +26,10 @@ #include <asm/uaccess.h> #include <asm/segment.h> -/* common code for old and new mmaps */ -static inline long -do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, - unsigned long flags, unsigned long fd, unsigned long pgoff) -{ - int error = -EBADF; - struct file * file = NULL; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); -out: - return error; -} - -asmlinkage unsigned long old_mmap(unsigned long __user *args) -{ - unsigned long buffer[6]; - int err = -EFAULT; - - if (copy_from_user(&buffer, args, sizeof(buffer))) - goto out; - - err = -EINVAL; - if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */ - goto out; - - err = do_mmap2(buffer[0], buffer[1], buffer[2], buffer[3], - buffer[4], buffer[5] >> PAGE_SHIFT); -out: - return err; -} - asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { - return do_mmap2(addr, len, prot, flags, fd, pgoff); -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. (same as arch/i386) - */ - -asmlinkage int sys_ipc (uint call, int first, int second, - int third, void __user *ptr, long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - switch (call) { - case SEMOP: - return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL); - case SEMTIMEDOP: - return sys_semtimedop(first, (struct sembuf __user *)ptr, second, - (const struct timespec __user *)fifth); - - case SEMGET: - return sys_semget (first, second, third); - case SEMCTL: { - union semun fourth; - if (!ptr) - return -EINVAL; - if (get_user(fourth.__pad, (void * __user *) ptr)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - - case MSGSND: - return sys_msgsnd (first, (struct msgbuf __user *) ptr, - second, third); - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - if (!ptr) - return -EINVAL; - - if (copy_from_user(&tmp, - (struct ipc_kludge __user *) ptr, - sizeof (tmp))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, - (struct msgbuf __user *) ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, (struct msqid_ds __user *) ptr); - - case SHMAT: { - ulong raddr; - ret = do_shmat (first, (char __user *) ptr, second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong __user *) third); - } - case SHMDT: - return sys_shmdt ((char __user *)ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, - (struct shmid_ds __user *) ptr); - default: - return -ENOSYS; - } + /* bug(?): 8Kb pages here */ + return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); } diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c index 074fe7dea96..fe6acdabbc8 100644 --- a/arch/cris/kernel/time.c +++ b/arch/cris/kernel/time.c @@ -21,7 +21,6 @@ * */ -#include <asm/rtc.h> #include <linux/errno.h> #include <linux/module.h> #include <linux/param.h> @@ -32,169 +31,38 @@ #include <linux/profile.h> #include <linux/sched.h> /* just for sched_clock() - funny that */ -int have_rtc; /* used to remember if we have an RTC or not */; + +#define D(x) #define TICK_SIZE tick extern unsigned long loops_per_jiffy; /* init/main.c */ unsigned long loops_per_usec; -extern unsigned long do_slow_gettimeoffset(void); -static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset; - -/* - * This version of gettimeofday has near microsecond resolution. - * - * Note: Division is quite slow on CRIS and do_gettimeofday is called - * rather often. Maybe we should do some kind of approximation here - * (a naive approximation would be to divide by 1024). - */ -void do_gettimeofday(struct timeval *tv) +int set_rtc_mmss(unsigned long nowtime) { - unsigned long flags; - signed long usec, sec; - local_irq_save(flags); - usec = do_gettimeoffset(); - - /* - * If time_adjust is negative then NTP is slowing the clock - * so make sure not to go into next possible interval. - * Better to lose some accuracy than have time go backwards.. - */ - if (unlikely(time_adjust < 0) && usec > tickadj) - usec = tickadj; - - sec = xtime.tv_sec; - usec += xtime.tv_nsec / 1000; - local_irq_restore(flags); - - while (usec >= 1000000) { - usec -= 1000000; - sec++; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; + D(printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime)); + return 0; } -EXPORT_SYMBOL(do_gettimeofday); - -int do_settimeofday(struct timespec *tv) +/* grab the time from the RTC chip */ +unsigned long get_cmos_time(void) { - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - /* - * This is revolting. We need to set "xtime" correctly. However, the - * value in this location is the value at the most recent update of - * wall time. Discover what correction gettimeofday() would have - * made, and then undo it! - */ - nsec -= do_gettimeoffset() * NSEC_PER_USEC; - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); - write_sequnlock_irq(&xtime_lock); - clock_was_set(); return 0; } -EXPORT_SYMBOL(do_settimeofday); - -/* - * BUG: This routine does not handle hour overflow properly; it just - * sets the minutes. Usually you'll only notice that after reboot! - */ - -int set_rtc_mmss(unsigned long nowtime) +int update_persistent_clock(struct timespec now) { - int retval = 0; - int real_seconds, real_minutes, cmos_minutes; - - printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime); - - if(!have_rtc) - return 0; - - cmos_minutes = CMOS_READ(RTC_MINUTES); - cmos_minutes = bcd2bin(cmos_minutes); - - /* - * since we're only adjusting minutes and seconds, - * don't interfere with hour overflow. This avoids - * messing with unknown time zones but requires your - * RTC not to be off by more than 15 minutes - */ - real_seconds = nowtime % 60; - real_minutes = nowtime / 60; - if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) - real_minutes += 30; /* correct for half hour time zone */ - real_minutes %= 60; - - if (abs(real_minutes - cmos_minutes) < 30) { - real_seconds = bin2bcd(real_seconds); - real_minutes = bin2bcd(real_minutes); - CMOS_WRITE(real_seconds,RTC_SECONDS); - CMOS_WRITE(real_minutes,RTC_MINUTES); - } else { - printk(KERN_WARNING - "set_rtc_mmss: can't update from %d to %d\n", - cmos_minutes, real_minutes); - retval = -1; - } - - return retval; + return set_rtc_mmss(now.tv_sec); } -/* grab the time from the RTC chip */ - -unsigned long -get_cmos_time(void) +void read_persistent_clock(struct timespec *ts) { - unsigned int year, mon, day, hour, min, sec; - - sec = CMOS_READ(RTC_SECONDS); - min = CMOS_READ(RTC_MINUTES); - hour = CMOS_READ(RTC_HOURS); - day = CMOS_READ(RTC_DAY_OF_MONTH); - mon = CMOS_READ(RTC_MONTH); - year = CMOS_READ(RTC_YEAR); - - sec = bcd2bin(sec); - min = bcd2bin(min); - hour = bcd2bin(hour); - day = bcd2bin(day); - mon = bcd2bin(mon); - year = bcd2bin(year); - - if ((year += 1900) < 1970) - year += 100; - - return mktime(year, mon, day, hour, min, sec); + ts->tv_sec = 0; + ts->tv_nsec = 0; } -/* update xtime from the CMOS settings. used when /dev/rtc gets a SET_TIME. - * TODO: this doesn't reset the fancy NTP phase stuff as do_settimeofday does. - */ - -void -update_xtime_from_cmos(void) -{ - if(have_rtc) { - xtime.tv_sec = get_cmos_time(); - xtime.tv_nsec = 0; - } -} extern void cris_profile_sample(struct pt_regs* regs); @@ -213,7 +81,7 @@ cris_do_profile(struct pt_regs* regs) unsigned long long sched_clock(void) { - return (unsigned long long)jiffies * (1000000000 / HZ) + + return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) + get_ns_in_jiffie(); } diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c index 541efbf0937..0ffda73734f 100644 --- a/arch/cris/kernel/traps.c +++ b/arch/cris/kernel/traps.c @@ -17,6 +17,7 @@ #include <asm/pgtable.h> #include <asm/uaccess.h> +#include <arch/system.h> extern void arch_enable_nmi(void); extern void stop_watchdog(void); @@ -146,13 +147,6 @@ show_stack(void) #endif void -dump_stack(void) -{ - show_stack(NULL, NULL); -} -EXPORT_SYMBOL(dump_stack); - -void set_nmi_handler(void (*handler)(struct pt_regs *)) { nmi_handler = handler; @@ -183,7 +177,7 @@ __initcall(oops_nmi_register); /* * This gets called from entry.S when the watchdog has bitten. Show something - * similiar to an Oops dump, and if the kernel is configured to be a nice + * similar to an Oops dump, and if the kernel is configured to be a nice * doggy, then halt instead of reboot. */ void diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S index 0d2adfc794d..a68b983dcea 100644 --- a/arch/cris/kernel/vmlinux.lds.S +++ b/arch/cris/kernel/vmlinux.lds.S @@ -8,7 +8,6 @@ * the kernel has booted. */ -#include <linux/autoconf.h> #include <asm-generic/vmlinux.lds.h> #include <asm/page.h> @@ -51,55 +50,48 @@ SECTIONS _etext = . ; /* End of text section. */ __etext = .; - . = ALIGN(4); /* Exception table. */ - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; + EXCEPTION_TABLE(4) + _sdata = .; RODATA . = ALIGN (4); ___data_start = . ; __Sdata = . ; .data : { /* Data */ + CACHELINE_ALIGNED_DATA(32) + READ_MOSTLY_DATA(32) DATA_DATA } __edata = . ; /* End of data section. */ _edata = . ; - . = ALIGN(PAGE_SIZE); /* init_task and stack, must be aligned. */ - .data.init_task : { *(.data.init_task) } + INIT_TASK_DATA_SECTION(PAGE_SIZE) . = ALIGN(PAGE_SIZE); /* Init code and data. */ __init_begin = .; - .init.text : { - _sinittext = .; - INIT_TEXT - _einittext = .; - } + INIT_TEXT_SECTION(PAGE_SIZE) .init.data : { INIT_DATA } - . = ALIGN(16); - __setup_start = .; - .init.setup : { *(.init.setup) } - __setup_end = .; -#ifdef CONFIG_ETRAX_ARCH_V32 - __start___param = .; - __param : { *(__param) } - __stop___param = .; -#endif + .init.setup : { INIT_SETUP(16) } .initcall.init : { - __initcall_start = .; - INITCALLS - __initcall_end = .; + INIT_CALLS } .con_initcall.init : { - __con_initcall_start = .; - *(.con_initcall.init) - __con_initcall_end = .; + CON_INITCALL } SECURITY_INIT + /* .exit.text is discarded at runtime, not link time, + * to deal with references from __bug_table + */ + .exit.text : { + EXIT_TEXT + } + .exit.data : { + EXIT_DATA + } + #ifdef CONFIG_ETRAX_ARCH_V10 #ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : { @@ -111,12 +103,10 @@ SECTIONS #endif __vmlinux_end = .; /* Last address of the physical file. */ #ifdef CONFIG_ETRAX_ARCH_V32 - PERCPU(PAGE_SIZE) + PERCPU_SECTION(32) .init.ramfs : { - __initramfs_start = .; - *(.init.ramfs) - __initramfs_end = .; + INIT_RAM_FS } #endif @@ -130,22 +120,13 @@ SECTIONS __init_end = .; __data_end = . ; /* Move to _edata ? */ - __bss_start = .; /* BSS. */ - .bss : { - *(COMMON) - *(.bss) - } + BSS_SECTION(1, 1, 1) . = ALIGN (0x20); _end = .; __end = .; - /* Sections to be discarded */ - /DISCARD/ : { - EXIT_TEXT - EXIT_DATA - *(.exitcall.exit) - } - dram_end = dram_start + (CONFIG_ETRAX_DRAM_SIZE - __CONFIG_ETRAX_VMEM_SIZE)*1024*1024; + + DISCARDS } diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c index c4c76db90f9..1790f22e71a 100644 --- a/arch/cris/mm/fault.c +++ b/arch/cris/mm/fault.c @@ -1,19 +1,19 @@ /* - * linux/arch/cris/mm/fault.c - * - * Copyright (C) 2000-2006 Axis Communications AB - * - * Authors: Bjorn Wesen + * arch/cris/mm/fault.c * + * Copyright (C) 2000-2010 Axis Communications AB */ #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/wait.h> #include <asm/uaccess.h> +#include <arch/system.h> extern int find_fixup_code(struct pt_regs *); extern void die_if_kernel(const char *, struct pt_regs *, long); +extern void show_registers(struct pt_regs *regs); /* debug of low-level TLB reload */ #undef DEBUG @@ -29,7 +29,7 @@ extern void die_if_kernel(const char *, struct pt_regs *, long); /* current active page directory */ -volatile DEFINE_PER_CPU(pgd_t *,current_pgd); +DEFINE_PER_CPU(pgd_t *, current_pgd); unsigned long cris_signal_return_page; /* @@ -58,6 +58,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, struct vm_area_struct * vma; siginfo_t info; int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; D(printk(KERN_DEBUG "Page fault for %lX on %X at %lX, prot %d write %d\n", @@ -108,13 +109,16 @@ do_page_fault(unsigned long address, struct pt_regs *regs, info.si_code = SEGV_MAPERR; /* - * If we're in an interrupt or have no user - * context, we must not take the fault.. + * If we're in an interrupt or "atomic" operation or have no + * user context, we must not take the fault. */ - if (in_interrupt() || !mm) + if (in_atomic() || !mm) goto no_context; + if (user_mode(regs)) + flags |= FAULT_FLAG_USER; +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); if (!vma) @@ -152,6 +156,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, } else if (writeaccess == 1) { if (!(vma->vm_flags & VM_WRITE)) goto bad_area; + flags |= FAULT_FLAG_WRITE; } else { if (!(vma->vm_flags & (VM_READ | VM_EXEC))) goto bad_area; @@ -163,7 +168,11 @@ do_page_fault(unsigned long address, struct pt_regs *regs, * the fault. */ - fault = handle_mm_fault(mm, vma, address, writeaccess & 1); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -171,10 +180,25 @@ do_page_fault(unsigned long address, struct pt_regs *regs, goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) - tsk->maj_flt++; - else - tsk->min_flt++; + + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + flags |= FAULT_FLAG_TRIED; + + /* + * No need to up_read(&mm->mmap_sem) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + + goto retry; + } + } up_read(&mm->mmap_sem); return; @@ -193,14 +217,25 @@ do_page_fault(unsigned long address, struct pt_regs *regs, /* User mode accesses just cause a SIGSEGV */ if (user_mode(regs)) { + printk(KERN_NOTICE "%s (pid %d) segfaults for page " + "address %08lx at pc %08lx\n", + tsk->comm, tsk->pid, + address, instruction_pointer(regs)); + + /* With DPG on, we've already dumped registers above. */ + DPG(if (0)) + show_registers(regs); + +#ifdef CONFIG_NO_SEGFAULT_TERMINATION + DECLARE_WAIT_QUEUE_HEAD(wq); + wait_event_interruptible(wq, 0 == 1); +#else info.si_signo = SIGSEGV; info.si_errno = 0; /* info.si_code has been set above */ info.si_addr = (void *)address; force_sig_info(SIGSEGV, &info, tsk); - printk(KERN_NOTICE "%s (pid %d) segfaults for page " - "address %08lx at pc %08lx\n", - tsk->comm, tsk->pid, address, instruction_pointer(regs)); +#endif return; } @@ -209,7 +244,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, /* Are we prepared to handle this kernel fault? * * (The kernel has valid exception-points in the source - * when it acesses user-memory. When it fails in one + * when it accesses user-memory. When it fails in one * of those points, we find it in a table and do a jump * to some fixup code that loads an appropriate error * code) @@ -245,10 +280,10 @@ do_page_fault(unsigned long address, struct pt_regs *regs, out_of_memory: up_read(&mm->mmap_sem); - printk("VM: killing process %s\n", tsk->comm); - if (user_mode(regs)) - do_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); + return; do_sigbus: up_read(&mm->mmap_sem); @@ -334,8 +369,11 @@ int find_fixup_code(struct pt_regs *regs) { const struct exception_table_entry *fixup; + /* in case of delay slot fault (v32) */ + unsigned long ip = (instruction_pointer(regs) & ~0x1); - if ((fixup = search_exception_tables(instruction_pointer(regs))) != 0) { + fixup = search_exception_tables(ip); + if (fixup != 0) { /* Adjust the instruction pointer in the stackframe. */ instruction_pointer(regs) = fixup->fixup; arch_fixup(regs); diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c index 514f46a4b23..c81af5bd916 100644 --- a/arch/cris/mm/init.c +++ b/arch/cris/mm/init.c @@ -8,23 +8,17 @@ * */ +#include <linux/gfp.h> #include <linux/init.h> #include <linux/bootmem.h> #include <asm/tlb.h> - -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); +#include <asm/sections.h> unsigned long empty_zero_page; -extern char _stext, _edata, _etext; /* From linkerscript */ -extern char __init_begin, __init_end; - void __init mem_init(void) { - int codesize, reservedpages, datasize, initsize; - unsigned long tmp; - BUG_ON(!mem_map); /* max/min_low_pfn was set by setup.c @@ -32,35 +26,9 @@ mem_init(void) * * high_memory was also set in setup.c */ - - max_mapnr = num_physpages = max_low_pfn - min_low_pfn; - - /* this will put all memory onto the freelists */ - totalram_pages = free_all_bootmem(); - - reservedpages = 0; - for (tmp = 0; tmp < max_mapnr; tmp++) { - /* - * Only count reserved RAM pages - */ - if (PageReserved(mem_map + tmp)) - reservedpages++; - } - - codesize = (unsigned long) &_etext - (unsigned long) &_stext; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk(KERN_INFO - "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, " - "%dk init)\n" , - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), - max_mapnr << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10 - ); + max_mapnr = max_low_pfn - min_low_pfn; + free_all_bootmem(); + mem_init_print_info(NULL); } /* free the pages occupied by initialization code */ @@ -68,15 +36,5 @@ mem_init(void) void free_initmem(void) { - unsigned long addr; - - addr = (unsigned long)(&__init_begin); - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - printk (KERN_INFO "Freeing unused kernel memory: %luk freed\n", - (unsigned long)((&__init_end - &__init_begin) >> 10)); + free_initmem_default(-1); } |