diff options
Diffstat (limited to 'arch/cris/arch-v32')
35 files changed, 262 insertions, 1665 deletions
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index e47e9c3401b..15a9ed1d579 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -2,9 +2,7 @@ if ETRAX_ARCH_V32 config ETRAX_ETHERNET bool "Ethernet support" - depends on ETRAX_ARCH_V32 - select NET_ETHERNET - select NET_CORE + depends on ETRAX_ARCH_V32 && NETDEVICES select MII help This option enables the ETRAX FS built-in 10/100Mbit Ethernet @@ -13,7 +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 @@ -21,64 +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 @@ -110,261 +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_SER4_CD_BIT - string "Ser 4 CD bit (empty = not used)" - depends on ETRAX_SERIAL_PORT4 - config ETRAX_SYNCHRONOUS_SERIAL bool "Synchronous serial-port support" depends on ETRAX_ARCH_V32 @@ -404,7 +106,6 @@ config ETRAX_AXISFLASHMAP select MTD_CFI select MTD_CFI_AMDSTD select MTD_JEDECPROBE - select MTD_CHAR select MTD_BLOCK select MTD_COMPLEX_MAPPINGS help @@ -414,7 +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 @@ -618,7 +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. @@ -642,8 +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 @@ -680,7 +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 @@ -689,7 +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 @@ -709,32 +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 @@ -748,32 +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 @@ -788,56 +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/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c index a2bde374462..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> @@ -329,7 +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", @@ -404,8 +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) @@ -413,8 +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; } @@ -604,34 +600,7 @@ static int __init init_axis_flash(void) "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 = mtd_device_register(aux_mtd, &aux_partition, 1); @@ -640,7 +609,6 @@ static int __init init_axis_flash(void) "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 642c6fed43d..877da190823 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -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); + 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); + 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)); @@ -3137,11 +3135,10 @@ static long cryptocop_ioctl_unlocked(struct inode *inode, static long cryptocop_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct inode *inode = file->f_path.dentry->d_inode; long ret; mutex_lock(&cryptocop_mutex); - ret = cryptocop_ioctl_unlocked(inode, filp, cmd, arg); + ret = cryptocop_ioctl_unlocked(file_inode(filp), filp, cmd, arg); mutex_unlock(&cryptocop_mutex); return ret; diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index ddb23996f11..3b2c82ce814 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -36,7 +36,6 @@ #include <asm/etraxi2c.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/delay.h> diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c index c845831e222..74f9fe80940 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c @@ -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> @@ -979,7 +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 f58f2c1c529..7fb52128ddc 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c +++ b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c @@ -163,7 +163,7 @@ 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 existence of the device */ if (nand_scan(crisv32_mtd, 1)) { diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c index ee90d2659be..009f4ee1bd0 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c @@ -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 @@ -959,17 +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 d5b0cc9f976..e03238454b0 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c +++ b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c @@ -154,7 +154,7 @@ 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 existence of the device */ if (nand_scan(crisv32_mtd, 1)) { diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c index bc0cfdad1cb..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; @@ -102,28 +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/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index a6a180bc566..bbb806b6883 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/timer.h> #include <linux/spinlock.h> +#include <linux/wait.h> #include <asm/io.h> #include <dma.h> @@ -609,7 +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; ); @@ -657,7 +658,7 @@ static int sync_serial_ioctl(struct file *file, { 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; @@ -979,7 +980,7 @@ static long sync_serial_ioctl(struct file *file, 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; @@ -1102,7 +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; @@ -1144,7 +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/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 c3ea4694fba..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 @@ -84,6 +85,18 @@ ret_from_fork: 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 @@ -411,7 +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), $r0 bpl 1f nop @@ -439,7 +452,7 @@ spurious_interrupt: nop ;; This handles the case when multiple interrupts arrive at the same - ;; time. Jump to the first set interrupt bit in a priotiry fashion. The + ;; time. Jump to the first set interrupt bit in a priority fashion. The ;; hardware will call the unserved interrupts after the handler ;; finishes. .type multiple_interrupt, @function @@ -531,15 +544,6 @@ _ugdb_handle_exception: ba do_sigtrap ; SIGTRAP the offending process. move.d [$sp+], $r0 ; Restore R0 in delay slot. - .global kernel_execve - .type kernel_execve,@function -kernel_execve: - move.d __NR_execve, $r9 - break 13 - ret - nop - .size kernel_execve, . - kernel_execve - .data .section .rodata,"a" @@ -881,13 +885,29 @@ sys_call_table: .long sys_preadv .long sys_pwritev .long sys_setns /* 335 */ - - /* - * 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_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 5d502b9ab56..51e34165ece 100644 --- a/arch/cris/arch-v32/kernel/head.S +++ b/arch/cris/arch-v32/kernel/head.S @@ -36,13 +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 @@ -75,17 +68,10 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */ | 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 -#elif !defined(CONFIG_ETRAX_VCS_SIM) - 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), $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. @@ -126,27 +112,6 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */ | REG_STATE(mmu, rw_mm_cfg, seg_2, page) \ | REG_STATE(mmu, rw_mm_cfg, seg_1, page) \ | REG_STATE(mmu, rw_mm_cfg, seg_0, linear), $r2 -#elif !defined(CONFIG_ETRAX_VCS_SIM) - 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, seg_c, linear) \ - | REG_STATE(mmu, rw_mm_cfg, seg_b, 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) \ - | REG_STATE(mmu, rw_mm_cfg, seg_6, page) \ - | REG_STATE(mmu, rw_mm_cfg, seg_5, page) \ - | REG_STATE(mmu, rw_mm_cfg, seg_4, linear) \ - | REG_STATE(mmu, rw_mm_cfg, seg_3, page) \ - | REG_STATE(mmu, rw_mm_cfg, seg_2, page) \ - | REG_STATE(mmu, rw_mm_cfg, seg_1, page) \ - | REG_STATE(mmu, rw_mm_cfg, seg_0, linear), $r2 #else move.d REG_STATE(mmu, rw_mm_cfg, we, on) \ | REG_STATE(mmu, rw_mm_cfg, acc, on) \ @@ -157,7 +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) \ @@ -226,7 +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 @@ -234,7 +198,6 @@ master_cpu: cmp.d 0x10000, $r0 ; Arbitrary, something above this code. blo _inflash0 nop -#endif jump _inram ; Jump to cached RAM. nop @@ -326,7 +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 @@ -335,10 +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 @@ -396,7 +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 @@ -410,7 +367,6 @@ _no_romfs_in_flash: subq 1, $r2 bne 1b nop -#endif 4: ;; BSS move done. @@ -455,7 +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 @@ -463,15 +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 5ebe6e84182..25437ae2812 100644 --- a/arch/cris/arch-v32/kernel/irq.c +++ b/arch/cris/arch-v32/kernel/irq.c @@ -331,11 +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; diff --git a/arch/cris/arch-v32/kernel/kgdb.c b/arch/cris/arch-v32/kernel/kgdb.c index c0343c3ea7f..b06813aeb12 100644 --- a/arch/cris/arch-v32/kernel/kgdb.c +++ b/arch/cris/arch-v32/kernel/kgdb.c @@ -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) { @@ -988,26 +974,26 @@ stub_is_stopped(int sigval) } /* Only send PC, frame and stack pointer. */ read_register(PC, ®_cont); - ptr = pack_hex_byte(ptr, 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(ptr, 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(ptr, 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(ptr, 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/process.c b/arch/cris/arch-v32/kernel/process.c index 0570e8ce603..cebd32e2a8f 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -16,21 +16,16 @@ #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 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; @@ -168,76 +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, - const char *const *argv, - const char *const *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) { @@ -250,6 +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 511ece94a57..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> @@ -115,8 +114,6 @@ void user_disable_single_step(struct task_struct *child) void ptrace_disable(struct task_struct *child) { - unsigned long tmp; - /* Deconfigure SPC and S-bit. */ user_disable_single_step(child); put_reg(child, PT_SPC, 0); diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c index ce4ab1a5552..01d1375c900 100644 --- a/arch/cris/arch-v32/kernel/signal.c +++ b/arch/cris/arch-v32/kernel/signal.c @@ -24,9 +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 @@ -54,67 +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) @@ -146,11 +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; @@ -175,13 +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; @@ -195,11 +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; @@ -221,18 +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); @@ -363,10 +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; } @@ -397,6 +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; @@ -450,19 +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. */ @@ -512,20 +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); } /* @@ -545,7 +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 @@ -555,25 +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; } @@ -594,10 +483,7 @@ do_signal(int canrestart, struct pt_regs *regs) /* 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 diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 0b99df72d2a..0698582467c 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -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", }; @@ -84,7 +84,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) 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. @@ -108,17 +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; cpumask_clear(&cpu_mask); - idle = fork_idle(cpuid); - if (IS_ERR(idle)) - panic("SMP: fork failed for CPU:%d", cpuid); - task_thread_info(idle)->cpu = cpuid; /* Information to the CPU that is about to boot */ @@ -142,9 +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; } @@ -153,8 +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}; @@ -178,7 +168,7 @@ void __init smp_callin(void) local_irq_enable(); set_cpu_online(cpu, true); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } /* Stop execution on this CPU.*/ @@ -207,9 +197,9 @@ 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; } diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c index bb978ede898..ee66866538f 100644 --- a/arch/cris/arch-v32/kernel/time.c +++ b/arch/cris/arch-v32/kernel/time.c @@ -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> @@ -47,14 +46,12 @@ static struct clocksource cont_rotime = { .rating = 300, .read = read_cont_rotime, .mask = CLOCKSOURCE_MASK(32), - .shift = 10, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; static int __init etrax_init_cont_rotime(void) { - cont_rotime.mult = clocksource_khz2mult(100000, cont_rotime.shift); - clocksource_register(&cont_rotime); + clocksource_register_khz(&cont_rotime, 100000); return 0; } arch_initcall(etrax_init_cont_rotime); @@ -69,7 +66,6 @@ unsigned long timer_regs[NR_CPUS] = }; extern int set_rtc_mmss(unsigned long nowtime); -extern int have_rtc; #ifdef CONFIG_CPU_FREQ static int @@ -220,12 +216,10 @@ static inline irqreturn_t timer_interrupt(int irq, void *dev_id) 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" }; @@ -267,11 +261,6 @@ void __init time_init(void) */ loops_per_usec = 50; - if(RTC_INIT() < 0) - have_rtc = 0; - else - have_rtc = 1; - /* Start CPU local timer. */ cris_timer_init(); diff --git a/arch/cris/arch-v32/mach-a3/Kconfig b/arch/cris/arch-v32/mach-a3/Kconfig index 7796aafc711..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" 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 15f5c9de263..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 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/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 41fa6a6893a..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 -obj-$(CONFIG_ETRAX_VCS_SIM) += vcs_hook.o -obj-$(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 3f8ebb5c147..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"); 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/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 0768bc409ca..3deca5253d9 100644 --- a/arch/cris/arch-v32/mm/init.c +++ b/arch/cris/arch-v32/mm/init.c @@ -73,11 +73,7 @@ void __init cris_mmu_init(void) #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) | @@ -100,11 +96,7 @@ void __init cris_mmu_init(void) #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)); |