diff options
Diffstat (limited to 'arch/cris/arch-v32')
75 files changed, 8348 insertions, 3391 deletions
diff --git a/arch/cris/arch-v32/Kconfig b/arch/cris/arch-v32/Kconfig index d8acaa920e1..005ed2b3f7f 100644 --- a/arch/cris/arch-v32/Kconfig +++ b/arch/cris/arch-v32/Kconfig @@ -1,27 +1,73 @@ if ETRAX_ARCH_V32 +source arch/cris/arch-v32/mach-fs/Kconfig +source arch/cris/arch-v32/mach-a3/Kconfig + +source drivers/cpufreq/Kconfig + config ETRAX_DRAM_VIRTUAL_BASE hex depends on ETRAX_ARCH_V32 default "c0000000" -config ETRAX_LED1G - string "First green LED bit" +choice + prompt "Nbr of Ethernet LED groups" depends on ETRAX_ARCH_V32 + default ETRAX_NBR_LED_GRP_ONE + help + Select how many Ethernet LED groups that can be used. Usually one per Ethernet + interface is a good choice. + +config ETRAX_NBR_LED_GRP_ZERO + bool "Use zero LED groups" + help + Select this if you do not want any Ethernet LEDs. + +config ETRAX_NBR_LED_GRP_ONE + bool "Use one LED group" + help + Select this if you want one Ethernet LED group. This LED group + can be used for one or more Ethernet interfaces. However, it is + recomended that each Ethernet interface use a dedicated LED group. + +config ETRAX_NBR_LED_GRP_TWO + bool "Use two LED groups" + help + Select this if you want two Ethernet LED groups. This is the + best choice if you have more than one Ethernet interface and + would like to have separate LEDs for the interfaces. + +endchoice + +config ETRAX_LED_G_NET0 + string "Ethernet LED group 0 green LED bit" + depends on ETRAX_ARCH_V32 && (ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO) default "PA3" help - Bit to use for the first green LED (network LED). - Most Axis products use bit A3 here. + Bit to use for the green LED in Ethernet LED group 0. -config ETRAX_LED1R - string "First red LED bit" - depends on ETRAX_ARCH_V32 +config ETRAX_LED_R_NET0 + string "Ethernet LED group 0 red LED bit" + depends on ETRAX_ARCH_V32 && (ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO) default "PA4" help - Bit to use for the first red LED (network LED). - Most Axis products use bit A4 here. + Bit to use for the red LED in Ethernet LED group 0. -config ETRAX_LED2G +config ETRAX_LED_G_NET1 + string "Ethernet group 1 green LED bit" + depends on ETRAX_ARCH_V32 && ETRAX_NBR_LED_GRP_TWO + default "" + help + Bit to use for the green LED in Ethernet LED group 1. + +config ETRAX_LED_R_NET1 + string "Ethernet group 1 red LED bit" + depends on ETRAX_ARCH_V32 && ETRAX_NBR_LED_GRP_TWO + default "" + help + Bit to use for the red LED in Ethernet LED group 1. + +config ETRAX_V32_LED2G string "Second green LED bit" depends on ETRAX_ARCH_V32 default "PA5" @@ -29,7 +75,7 @@ config ETRAX_LED2G Bit to use for the first green LED (status LED). Most Axis products use bit A5 here. -config ETRAX_LED2R +config ETRAX_V32_LED2R string "Second red LED bit" depends on ETRAX_ARCH_V32 default "PA6" @@ -37,7 +83,7 @@ config ETRAX_LED2R Bit to use for the first red LED (network LED). Most Axis products use bit A6 here. -config ETRAX_LED3G +config ETRAX_V32_LED3G string "Third green LED bit" depends on ETRAX_ARCH_V32 default "PA7" @@ -45,7 +91,7 @@ config ETRAX_LED3G Bit to use for the first green LED (drive/power LED). Most Axis products use bit A7 here. -config ETRAX_LED3R +config ETRAX_V32_LED3R string "Third red LED bit" depends on ETRAX_ARCH_V32 default "PA7" @@ -54,39 +100,6 @@ config ETRAX_LED3R Most Axis products use bit A7 here. choice - prompt "Product debug-port" - depends on ETRAX_ARCH_V32 - default ETRAX_DEBUG_PORT0 - -config ETRAX_DEBUG_PORT0 - bool "Serial-0" - help - Choose a serial port for the ETRAX debug console. Default to - port 0. - -config ETRAX_DEBUG_PORT1 - bool "Serial-1" - help - Use serial port 1 for the console. - -config ETRAX_DEBUG_PORT2 - bool "Serial-2" - help - Use serial port 2 for the console. - -config ETRAX_DEBUG_PORT3 - bool "Serial-3" - help - Use serial port 3 for the console. - -config ETRAX_DEBUG_PORT_NULL - bool "disabled" - help - Disable serial-port debugging. - -endchoice - -choice prompt "Kernel GDB port" depends on ETRAX_KGDB default ETRAX_KGDB_PORT0 @@ -95,25 +108,11 @@ choice not be enabled under Drivers for built-in interfaces (as it has its own initialization code) and should not be the same as the debug port. -config ETRAX_KGDB_PORT0 - bool "Serial-0" - help - Use serial port 0 for kernel debugging. - -config ETRAX_KGDB_PORT1 - bool "Serial-1" - help - Use serial port 1 for kernel debugging. - -config ETRAX_KGDB_PORT2 - bool "Serial-2" - help - Use serial port 2 for kernel debugging. - -config ETRAX_KGDB_PORT3 - bool "Serial-3" +config ETRAX_KGDB_PORT4 + bool "Serial-4" + depends on ETRAX_SERIAL_PORTS = 5 help - Use serial port 3 for kernel debugging. + Use serial port 4 for kernel debugging. endchoice diff --git a/arch/cris/arch-v32/boot/Makefile b/arch/cris/arch-v32/boot/Makefile index 26f293ab961..3f91349c5f1 100644 --- a/arch/cris/arch-v32/boot/Makefile +++ b/arch/cris/arch-v32/boot/Makefile @@ -1,14 +1,21 @@ # # arch/cris/arch-v32/boot/Makefile # -target = $(target_boot_dir) -src = $(src_boot_dir) -zImage: compressed/vmlinuz +OBJCOPY = objcopy-cris +OBJCOPYFLAGS = -O binary -R .note -R .comment -compressed/vmlinuz: $(objtree)/vmlinux - @$(MAKE) -f $(src)/compressed/Makefile $(objtree)/vmlinuz +subdir- := compressed rescue +targets := Image -clean: - rm -f zImage tools/build compressed/vmlinux.out - @$(MAKE) -f $(src)/compressed/Makefile clean +$(obj)/Image: vmlinux FORCE + $(call if_changed,objcopy) + @echo ' Kernel: $@ is ready' + +$(obj)/compressed/vmlinux: $(obj)/Image FORCE + $(Q)$(MAKE) $(build)=$(obj)/compressed $@ + $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin + +$(obj)/zImage: $(obj)/compressed/vmlinux + @cp $< $@ + @echo ' Kernel: $@ is ready' diff --git a/arch/cris/arch-v32/boot/compressed/Makefile b/arch/cris/arch-v32/boot/compressed/Makefile index 609692f9d5e..2c8c2c3039c 100644 --- a/arch/cris/arch-v32/boot/compressed/Makefile +++ b/arch/cris/arch-v32/boot/compressed/Makefile @@ -1,41 +1,30 @@ # -# lx25/arch/cris/arch-v32/boot/compressed/Makefile +# arch/cris/arch-v32/boot/compressed/Makefile # -# create a compressed vmlinux image from the original vmlinux files and romfs -# - -target = $(target_compressed_dir) -src = $(src_compressed_dir) CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE) -CFLAGS = -O2 +asflags-y += -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch +ccflags-y += -O2 -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch LD = gcc-cris -mlinux -march=v32 -nostdlib +ldflags-y += -T $(obj)/decompress.ld +obj-y = head.o misc.o +OBJECTS = $(obj)/head.o $(obj)/misc.o OBJCOPY = objcopy-cris OBJCOPYFLAGS = -O binary --remove-section=.bss -OBJECTS = $(target)/head.o $(target)/misc.o - -# files to compress -SYSTEM = $(objtree)/vmlinux.bin - -all: vmlinuz - -$(target)/decompress.bin: $(OBJECTS) - $(LD) -T $(src)/decompress.ld -o $(target)/decompress.o $(OBJECTS) - $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/decompress.o $(target)/decompress.bin -$(objtree)/vmlinuz: $(target) piggy.img $(target)/decompress.bin - cat $(target)/decompress.bin piggy.img > $(objtree)/vmlinuz - rm -f piggy.img - cp $(objtree)/vmlinuz $(src) +quiet_cmd_image = BUILD $@ +cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@ -$(target)/head.o: $(src)/head.S - $(CC) -D__ASSEMBLY__ -c $< -o $@ +targets := vmlinux piggy.gz decompress.o decompress.bin -# gzip the kernel image +$(obj)/decompress.o: $(OBJECTS) FORCE + $(call if_changed,ld) -piggy.img: $(SYSTEM) - cat $(SYSTEM) | gzip -f -9 > piggy.img +$(obj)/decompress.bin: $(obj)/decompress.o FORCE + $(call if_changed,objcopy) -clean: - rm -f piggy.img $(objtree)/vmlinuz vmlinuz.o decompress.o decompress.bin $(OBJECTS) +$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE + $(call if_changed,image) +$(obj)/piggy.gz: $(obj)/../Image FORCE + $(call if_changed,gzip) diff --git a/arch/cris/arch-v32/boot/compressed/README b/arch/cris/arch-v32/boot/compressed/README index e33691d15c5..182c5d75784 100644 --- a/arch/cris/arch-v32/boot/compressed/README +++ b/arch/cris/arch-v32/boot/compressed/README @@ -1,6 +1,5 @@ Creation of the self-extracting compressed kernel image (vmlinuz) ----------------------------------------------------------------- -$Id: README,v 1.1 2003/08/21 09:37:03 johana Exp $ This can be slightly confusing because it's a process with many steps. diff --git a/arch/cris/arch-v32/boot/compressed/head.S b/arch/cris/arch-v32/boot/compressed/head.S index 34cea10a899..f86208caf32 100644 --- a/arch/cris/arch-v32/boot/compressed/head.S +++ b/arch/cris/arch-v32/boot/compressed/head.S @@ -2,13 +2,12 @@ * Code that sets up the DRAM registers, calls the * decompressor to unpack the piggybacked kernel, and jumps. * - * Copyright (C) 1999 - 2003, Axis Communications AB + * Copyright (C) 1999 - 2006, Axis Communications AB */ #define ASSEMBLER_MACROS_ONLY -#include <asm/arch/hwregs/asm/reg_map_asm.h> -#include <asm/arch/hwregs/asm/gio_defs_asm.h> -#include <asm/arch/hwregs/asm/config_defs_asm.h> +#include <hwregs/asm/reg_map_asm.h> +#include <asm/arch/mach/startup.inc> #define RAM_INIT_MAGIC 0x56902387 #define COMMAND_LINE_MAGIC 0x87109563 @@ -22,114 +21,49 @@ start: di ;; Start clocks for used blocks. - move.d REG_ADDR(config, regi_config, rw_clk_ctrl), $r1 - move.d [$r1], $r0 - or.d REG_STATE(config, rw_clk_ctrl, cpu, yes) | \ - REG_STATE(config, rw_clk_ctrl, bif, yes) | \ - REG_STATE(config, rw_clk_ctrl, fix_io, yes), $r0 - move.d $r0, [$r1] - - ;; If booting from NAND flash we first have to copy some - ;; data from NAND flash to internal RAM to get the code - ;; that initializes the SDRAM. Lets copy 20 KB. This - ;; code executes at 0x38010000 if booting from NAND and - ;; we are guaranted that at least 0x200 bytes are good so - ;; lets start from there. The first 8192 bytes in the nand - ;; flash is spliced with zeroes and is thus 16384 bytes. - move.d 0x38010200, $r10 - move.d 0x14200, $r11 ; Start offset in NAND flash 0x10200 + 16384 - move.d 0x5000, $r12 ; Length of copy - - ;; Before this code the tools add a partitiontable so the PC - ;; has an offset from the linked address. -offset1: - lapcq ., $r13 ; get PC - add.d first_copy_complete-offset1, $r13 - -#include "../../lib/nand_init.S" - -first_copy_complete: - ;; Initialze the DRAM registers. + START_CLOCKS + + ;; Initialize the DRAM registers. cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized? beq dram_init_finished nop -#include "../../lib/dram_init.S" +#include "../../mach/dram_init.S" dram_init_finished: - lapcq ., $r13 ; get PC - add.d second_copy_complete-dram_init_finished, $r13 - - 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 second_copy_complete ; No NAND boot - nop - - ;; Copy 2MB from NAND flash to SDRAM (at 2-4MB into the SDRAM) - move.d 0x40204000, $r10 - move.d 0x8000, $r11 - move.d 0x200000, $r12 - ba copy_nand_to_ram - nop -second_copy_complete: - - ;; Initiate the PA port. - move.d CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0 - move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r1 - move.d $r0, [$r1] - - move.d CONFIG_ETRAX_DEF_GIO_PA_OE, $r0 - move.d REG_ADDR(gio, regi_gio, rw_pa_oe), $r1 - move.d $r0, [$r1] + GIO_INIT ;; Setup the stack to a suitably high address. ;; We assume 8 MB is the minimum DRAM and put ;; the SP at the top for now. move.d 0x40800000, $sp - ;; Figure out where the compressed piggyback image is - ;; in the flash (since we wont try to copy it to DRAM - ;; before unpacking). It is at _edata, but in flash. + ;; Figure out where the compressed piggyback image is. + ;; It is either in [NOR] flash (we don't want to copy it + ;; to DRAM before unpacking), or copied to DRAM + ;; by the [NAND] flash boot loader. + ;; The piggyback image is at _edata, but relative to where the + ;; image is actually located in memory, not where it is linked + ;; (the decompressor is linked at 0x40700000+ and runs there). ;; Use (_edata - herami) as offset to the current PC. - 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 - beq hereami2 - nop hereami: lapcq ., $r5 ; get PC and.d 0x7fffffff, $r5 ; strip any non-cache bit - move.d $r5, $r0 ; save for later - flash address of 'herami' + move.d $r5, $r0 ; source address of 'herami' add.d _edata, $r5 sub.d hereami, $r5 ; r5 = flash address of '_edata' move.d hereami, $r1 ; destination - ba 2f - nop -hereami2: - lapcq ., $r5 ; get PC - and.d 0x00ffffff, $r5 ; strip any non-cache bit - move.d $r5, $r6 - or.d 0x40200000, $r6 - move.d $r6, $r0 ; save for later - flash address of 'herami' - add.d _edata, $r5 - sub.d hereami2, $r5 ; r5 = flash address of '_edata' - add.d 0x40200000, $r5 - move.d hereami2, $r1 ; destination -2: + ;; Copy text+data to DRAM move.d _edata, $r2 ; end destination -1: move.w [$r0+], $r3 - move.w $r3, [$r1+] - cmp.d $r2, $r1 +1: move.w [$r0+], $r3 ; from herami+ source + move.w $r3, [$r1+] ; to hereami+ destination (linked address) + cmp.d $r2, $r1 ; finish when destination == _edata bcs 1b nop - move.d input_data, $r0 ; for the decompressor move.d $r5, [$r0] ; for the decompressor @@ -144,16 +78,24 @@ hereami2: nop ;; Save command line magic and address. - move.d _cmd_line_magic, $r12 - move.d $r10, [$r12] - move.d _cmd_line_addr, $r12 - move.d $r11, [$r12] + move.d _cmd_line_magic, $r0 + move.d $r10, [$r0] + move.d _cmd_line_addr, $r0 + move.d $r11, [$r0] + + ;; Save boot source indicator + move.d _boot_source, $r0 + move.d $r12, [$r0] ;; Do the decompression and save compressed size in _inptr jsr decompress_kernel nop + ;; Restore boot source indicator + move.d _boot_source, $r12 + move.d [$r12], $r12 + ;; Restore command line magic and address. move.d _cmd_line_magic, $r10 move.d [$r10], $r10 @@ -166,11 +108,10 @@ hereami2: move.d [$r0], $r9 ; flash address of compressed kernel move.d inptr, $r0 add.d [$r0], $r9 ; size of compressed kernel - cmp.d 0x40200000, $r9 - blo enter_kernel - nop - sub.d 0x40200000, $r9 - add.d 0x4000, $r9 + cmp.d 0x40000000, $r9 ; image in DRAM ? + blo enter_kernel ; no, must be [NOR] flash, jump + nop ; delay slot + and.d 0x001fffff, $r9 ; assume compressed kernel was < 2M enter_kernel: ;; Enter the decompressed kernel @@ -186,7 +127,7 @@ _cmd_line_magic: .dword 0 _cmd_line_addr: .dword 0 -is_nand_boot: - .dword 0 +_boot_source: + .dword 0 -#include "../../lib/hw_settings.S" +#include "../../mach/hw_settings.S" diff --git a/arch/cris/arch-v32/boot/compressed/misc.c b/arch/cris/arch-v32/boot/compressed/misc.c index 0169ba1ca9c..55b2695c5d7 100644 --- a/ |