diff options
Diffstat (limited to 'arch/sh/boot')
| -rw-r--r-- | arch/sh/boot/Makefile | 11 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/Makefile | 4 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/head_32.S | 4 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/misc.c | 4 | ||||
| -rw-r--r-- | arch/sh/boot/compressed/vmlinux.scr | 2 | ||||
| -rw-r--r-- | arch/sh/boot/romimage/Makefile | 13 | ||||
| -rw-r--r-- | arch/sh/boot/romimage/head.S | 42 | ||||
| -rw-r--r-- | arch/sh/boot/romimage/mmcif-sh7724.c | 71 | ||||
| -rw-r--r-- | arch/sh/boot/romimage/vmlinux.scr | 2 |
9 files changed, 141 insertions, 12 deletions
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile index 1ce6362..ba515d8 100644 --- a/arch/sh/boot/Makefile +++ b/arch/sh/boot/Makefile @@ -24,12 +24,13 @@ suffix-y := bin suffix-$(CONFIG_KERNEL_GZIP) := gz suffix-$(CONFIG_KERNEL_BZIP2) := bz2 suffix-$(CONFIG_KERNEL_LZMA) := lzma +suffix-$(CONFIG_KERNEL_XZ) := xz suffix-$(CONFIG_KERNEL_LZO) := lzo targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \ - uImage.bz2 uImage.lzma uImage.lzo uImage.bin + uImage.bz2 uImage.lzma uImage.xz uImage.lzo uImage.bin extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ - vmlinux.bin.lzo + vmlinux.bin.xz vmlinux.bin.lzo subdir- := compressed romimage $(obj)/zImage: $(obj)/compressed/vmlinux FORCE @@ -76,6 +77,9 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE $(call if_changed,lzma) +$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE + $(call if_changed,xzkern) + $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE $(call if_changed,lzo) @@ -88,6 +92,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma $(call if_changed,uimage,lzma) +$(obj)/uImage.xz: $(obj)/vmlinux.bin.xz + $(call if_changed,uimage,xz) + $(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo $(call if_changed,uimage,lzo) diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile index cfa5a08..e0b0293 100644 --- a/arch/sh/boot/compressed/Makefile +++ b/arch/sh/boot/compressed/Makefile @@ -6,7 +6,7 @@ targets := vmlinux vmlinux.bin vmlinux.bin.gz \ vmlinux.bin.bz2 vmlinux.bin.lzma \ - vmlinux.bin.lzo \ + vmlinux.bin.xz vmlinux.bin.lzo \ head_$(BITS).o misc.o piggy.o OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o @@ -50,6 +50,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE $(call if_changed,bzip2) $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE $(call if_changed,lzma) +$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE + $(call if_changed,xzkern) $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE $(call if_changed,lzo) diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S index 200c1d4..3e15032 100644 --- a/arch/sh/boot/compressed/head_32.S +++ b/arch/sh/boot/compressed/head_32.S @@ -91,7 +91,9 @@ bss_start_addr: end_addr: .long _end init_sr: - .long 0x400000F0 /* Privileged mode, Bank=0, Block=0, IMASK=0xF */ + .long 0x500000F0 /* Privileged mode, Bank=0, Block=1, IMASK=0xF */ +kexec_magic: + .long 0x400000F0 /* magic used by kexec to parse zImage format */ init_stack_addr: .long stack_start decompress_kernel_addr: diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c index 27140a6..95470a4 100644 --- a/arch/sh/boot/compressed/misc.c +++ b/arch/sh/boot/compressed/misc.c @@ -61,6 +61,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_unlzma.c" #endif +#ifdef CONFIG_KERNEL_XZ +#include "../../../../lib/decompress_unxz.c" +#endif + #ifdef CONFIG_KERNEL_LZO #include "../../../../lib/decompress_unlzo.c" #endif diff --git a/arch/sh/boot/compressed/vmlinux.scr b/arch/sh/boot/compressed/vmlinux.scr index f02382a..862d748 100644 --- a/arch/sh/boot/compressed/vmlinux.scr +++ b/arch/sh/boot/compressed/vmlinux.scr @@ -1,6 +1,6 @@ SECTIONS { - .rodata.compressed : { + .rodata..compressed : { input_len = .; LONG(input_data_end - input_data) input_data = .; *(.data) diff --git a/arch/sh/boot/romimage/Makefile b/arch/sh/boot/romimage/Makefile index f473a24..2216ee5 100644 --- a/arch/sh/boot/romimage/Makefile +++ b/arch/sh/boot/romimage/Makefile @@ -1,16 +1,21 @@ # # linux/arch/sh/boot/romimage/Makefile # -# create an image suitable for burning to flash from zImage +# create an romImage file suitable for burning to flash/mmc from zImage # targets := vmlinux head.o zeropage.bin piggy.o +load-y := 0 -OBJECTS = $(obj)/head.o -LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext 0 -e romstart \ +mmcif-load-$(CONFIG_CPU_SUBTYPE_SH7724) := 0xe5200000 # ILRAM +mmcif-obj-$(CONFIG_CPU_SUBTYPE_SH7724) := $(obj)/mmcif-sh7724.o +load-$(CONFIG_ROMIMAGE_MMCIF) := $(mmcif-load-y) +obj-$(CONFIG_ROMIMAGE_MMCIF) := $(mmcif-obj-y) + +LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(load-y) -e romstart \ -T $(obj)/../../kernel/vmlinux.lds -$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE +$(obj)/vmlinux: $(obj)/head.o $(obj-y) $(obj)/piggy.o FORCE $(call if_changed,ld) @: diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S index 93e779a..4671d1b 100644 --- a/arch/sh/boot/romimage/head.S +++ b/arch/sh/boot/romimage/head.S @@ -12,8 +12,40 @@ romstart: /* include board specific setup code */ #include <mach/romimage.h> +#ifdef CONFIG_ROMIMAGE_MMCIF + /* load the romImage to above the empty zero page */ + mov.l empty_zero_page_dst, r4 + mov.l empty_zero_page_dst_adj, r5 + add r5, r4 + mov.l bytes_to_load, r5 + mov.l loader_function, r7 + jsr @r7 + mov r4, r15 + + mov.l empty_zero_page_dst, r4 + mov.l empty_zero_page_dst_adj, r5 + add r5, r4 + mov.l loaded_code_offs, r5 + add r5, r4 + jmp @r4 + nop + + .balign 4 +empty_zero_page_dst_adj: + .long PAGE_SIZE +bytes_to_load: + .long end_data - romstart +loader_function: + .long mmcif_loader +loaded_code_offs: + .long loaded_code - romstart +loaded_code: +#endif /* CONFIG_ROMIMAGE_MMCIF */ + /* copy the empty_zero_page contents to where vmlinux expects it */ - mova empty_zero_page_src, r0 + mova extra_data_pos, r0 + mov.l extra_data_size, r1 + add r1, r0 mov.l empty_zero_page_dst, r1 mov #(PAGE_SHIFT - 4), r4 mov #1, r3 @@ -37,7 +69,9 @@ romstart: mov #PAGE_SHIFT, r4 mov #1, r1 shld r4, r1 - mova empty_zero_page_src, r0 + mova extra_data_pos, r0 + add r1, r0 + mov.l extra_data_size, r1 add r1, r0 jmp @r0 nop @@ -45,4 +79,6 @@ romstart: .align 2 empty_zero_page_dst: .long _text -empty_zero_page_src: +extra_data_pos: +extra_data_size: + .long zero_page_pos - extra_data_pos diff --git a/arch/sh/boot/romimage/mmcif-sh7724.c b/arch/sh/boot/romimage/mmcif-sh7724.c new file mode 100644 index 0000000..c84e783 --- /dev/null +++ b/arch/sh/boot/romimage/mmcif-sh7724.c @@ -0,0 +1,71 @@ +/* + * sh7724 MMCIF loader + * + * Copyright (C) 2010 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/mmc/sh_mmcif.h> +#include <mach/romimage.h> + +#define MMCIF_BASE (void __iomem *)0xa4ca0000 + +#define MSTPCR2 0xa4150038 +#define PTWCR 0xa4050146 +#define PTXCR 0xa4050148 +#define PSELA 0xa405014e +#define PSELE 0xa4050156 +#define HIZCRC 0xa405015c +#define DRVCRA 0xa405018a + +/* SH7724 specific MMCIF loader + * + * loads the romImage from an MMC card starting from block 512 + * use the following line to write the romImage to an MMC card + * # dd if=arch/sh/boot/romImage of=/dev/sdx bs=512 seek=512 + */ +asmlinkage void mmcif_loader(unsigned char *buf, unsigned long no_bytes) +{ + mmcif_update_progress(MMCIF_PROGRESS_ENTER); + + /* enable clock to the MMCIF hardware block */ + __raw_writel(__raw_readl(MSTPCR2) & ~0x20000000, MSTPCR2); + + /* setup pins D7-D0 */ + __raw_writew(0x0000, PTWCR); + + /* setup pins MMC_CLK, MMC_CMD */ + __raw_writew(__raw_readw(PTXCR) & ~0x000f, PTXCR); + + /* select D3-D0 pin function */ + __raw_writew(__raw_readw(PSELA) & ~0x2000, PSELA); + + /* select D7-D4 pin function */ + __raw_writew(__raw_readw(PSELE) & ~0x3000, PSELE); + + /* disable Hi-Z for the MMC pins */ + __raw_writew(__raw_readw(HIZCRC) & ~0x0620, HIZCRC); + + /* high drive capability for MMC pins */ + __raw_writew(__raw_readw(DRVCRA) | 0x3000, DRVCRA); + + mmcif_update_progress(MMCIF_PROGRESS_INIT); + + /* setup MMCIF hardware */ + sh_mmcif_boot_init(MMCIF_BASE); + + mmcif_update_progress(MMCIF_PROGRESS_LOAD); + + /* load kernel via MMCIF interface */ + sh_mmcif_boot_do_read(MMCIF_BASE, 512, + (no_bytes + SH_MMCIF_BBS - 1) / SH_MMCIF_BBS, + buf); + + /* disable clock to the MMCIF hardware block */ + __raw_writel(__raw_readl(MSTPCR2) | 0x20000000, MSTPCR2); + + mmcif_update_progress(MMCIF_PROGRESS_DONE); +} diff --git a/arch/sh/boot/romimage/vmlinux.scr b/arch/sh/boot/romimage/vmlinux.scr index 287c08f..590394e 100644 --- a/arch/sh/boot/romimage/vmlinux.scr +++ b/arch/sh/boot/romimage/vmlinux.scr @@ -1,6 +1,8 @@ SECTIONS { .text : { + zero_page_pos = .; *(.data) + end_data = .; } } |