diff -Nur linux-2.6.39.4.orig/arch/mips/Kconfig linux-2.6.39.4/arch/mips/Kconfig --- linux-2.6.39.4.orig/arch/mips/Kconfig 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/arch/mips/Kconfig 2012-01-17 20:37:12.000000000 +0100 @@ -103,6 +103,12 @@ select GENERIC_GPIO select SYS_HAS_EARLY_PRINTK select CFE + select SYS_SUPPORTS_ZBOOT_UART16550 + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA + select HAVE_KERNEL_XZ + select HAVE_KERNEL_LZO help Support for BCM47XX based boards diff -Nur linux-2.6.39.4.orig/arch/mips/Makefile linux-2.6.39.4/arch/mips/Makefile --- linux-2.6.39.4.orig/arch/mips/Makefile 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/arch/mips/Makefile 2012-01-17 20:35:09.000000000 +0100 @@ -76,6 +76,7 @@ all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz +all-$(CONFIG_BCM47XX) += vmlinuz.elf # # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel @@ -276,7 +277,7 @@ $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@ # boot/compressed -vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE +vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec vmlinuz.elf: $(vmlinux-32) FORCE $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@ @@ -313,6 +314,7 @@ echo ' vmlinuz.ecoff - ECOFF zboot image' echo ' vmlinuz.bin - Raw binary zboot image' echo ' vmlinuz.srec - SREC zboot image' + echo ' vmlinuz.elf - ELF self-relocating zboot image' echo echo ' These will be default as appropriate for a configured platform.' endef diff -Nur linux-2.6.39.4.orig/arch/mips/bcm47xx/Makefile linux-2.6.39.4/arch/mips/bcm47xx/Makefile --- linux-2.6.39.4.orig/arch/mips/bcm47xx/Makefile 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/arch/mips/bcm47xx/Makefile 2012-01-17 20:35:09.000000000 +0100 @@ -3,4 +3,4 @@ # under Linux. # -obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o +obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o platform.o diff -Nur linux-2.6.39.4.orig/arch/mips/bcm47xx/platform.c linux-2.6.39.4/arch/mips/bcm47xx/platform.c --- linux-2.6.39.4.orig/arch/mips/bcm47xx/platform.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.39.4/arch/mips/bcm47xx/platform.c 2012-01-17 20:35:09.000000000 +0100 @@ -0,0 +1,146 @@ +/* + * 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. + * + * Copyright (C) 2010, 2011 Waldemar Brodkorb + * Copyright © 2007, 2011 Thorsten Glaser + */ + +#include +#include +#include +#include + +#include +#include + +#define CFGFS_FLASH_SIZE (128 * 1024) + +static struct mtd_partition bcm47xx_partitions[] = { +#define SLOT_CFE 0 + { + .name = "cfe", + .offset = 0, + .size = BCM47XX_OVERRIDE_CFESIZE, + .mask_flags = MTD_WRITEABLE /* force read-only */ + }, +#define SLOT_LINUX 1 + { + .name = "linux", + .offset = 0, + .size = 0, + }, +#define SLOT_ROOTFS 2 + { + .name = "rootfs", + .offset = 0, + .size = 0, + }, +#define SLOT_CFGFS 3 + { + .name = "cfgfs", + .offset = 0, + .size = 0, + }, +#define SLOT_NVRAM 4 + { + .name = "nvram", + .offset = 0, + .size = 0, + }, +}; + +static struct physmap_flash_data bcm47xx_flash_data = { + .parts = bcm47xx_partitions, + .nr_parts = ARRAY_SIZE(bcm47xx_partitions) +}; + +static struct resource bcm47xx_flash_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device bcm47xx_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { .platform_data = &bcm47xx_flash_data, }, + .resource = &bcm47xx_flash_resource, + .num_resources = 1, +}; + +static struct platform_device *bcm47xx_devices[] __initdata = { + &bcm47xx_flash, +}; + +struct bcm47xx_trx_header { +#define BCM47XX_TRX_MAGIC 0x30524448 + u32 magic; + u32 len; + u32 crc32; + u32 flag_version; + u32 offsets[3]; +}; + +#define UPTODOWN(slot, psize) do { \ + posn -= psize; left -= psize; \ + bcm47xx_partitions[slot].offset = posn; \ + bcm47xx_partitions[slot].size = psize; \ +} while (/* CONSTCOND */ 0) + +static int __init bcm47xx_register_devices(void) +{ + u32 flash_size; + size_t left, posn; + struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; + struct bcm47xx_trx_header *trx_hdr; + + trx_hdr = (void *)KSEG1ADDR(mcore->flash_window + BCM47XX_OVERRIDE_CFESIZE); + + /* devices might have 2, 4 or 8 MB flash size */ +#ifdef BCM47XX_OVERRIDE_FLASHSIZE + flash_size = BCM47XX_OVERRIDE_FLASHSIZE; + mcore->flash_window_size = flash_size; +#define BCM47XX_OVERRODE_FLASHSIZE " (overridden)" +#else + flash_size = mcore->flash_window_size; +#define BCM47XX_OVERRODE_FLASHSIZE "" +#endif + printk(KERN_INFO "FLASH SIZE%s: %x\n", BCM47XX_OVERRODE_FLASHSIZE, + flash_size); + + left = flash_size - BCM47XX_OVERRIDE_CFESIZE; + posn = flash_size; + UPTODOWN(SLOT_NVRAM, BCM47XX_OVERRIDE_NVRAMSIZE); + UPTODOWN(SLOT_CFGFS, CFGFS_FLASH_SIZE); + bcm47xx_partitions[SLOT_LINUX].offset = BCM47XX_OVERRIDE_CFESIZE; + bcm47xx_partitions[SLOT_LINUX].size = left; + + if (trx_hdr->magic == BCM47XX_TRX_MAGIC) { + bcm47xx_partitions[SLOT_ROOTFS].offset = + bcm47xx_partitions[SLOT_LINUX].offset + + trx_hdr->offsets[1]; + bcm47xx_partitions[SLOT_ROOTFS].size = + bcm47xx_partitions[SLOT_LINUX].size - + trx_hdr->offsets[1]; + } else + printk("bcm47xx/platform: no TRX header found\n"); + + printk(KERN_INFO "=== Flash map dump ===\n"); + for (posn = 0; posn < bcm47xx_flash_data.nr_parts; ++posn) + printk(KERN_INFO " #%u %08X @%08X '%s'\n", + (unsigned int)posn, + (unsigned int)bcm47xx_partitions[posn].size, + (unsigned int)bcm47xx_partitions[posn].offset, + bcm47xx_partitions[posn].name); + printk(KERN_INFO "=== Hope this works, have a nice day\n"); + + bcm47xx_flash_data.width = mcore->flash_buswidth; + bcm47xx_flash_resource.start = mcore->flash_window; + bcm47xx_flash_resource.end = mcore->flash_window + + mcore->flash_window_size + - 1; + return platform_add_devices(bcm47xx_devices, + ARRAY_SIZE(bcm47xx_devices)); +} + +device_initcall(bcm47xx_register_devices); diff -Nur linux-2.6.39.4.orig/arch/mips/boot/compressed/Makefile linux-2.6.39.4/arch/mips/boot/compressed/Makefile --- linux-2.6.39.4.orig/arch/mips/boot/compressed/Makefile 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/arch/mips/boot/compressed/Makefile 2012-01-17 20:35:09.000000000 +0100 @@ -58,8 +58,13 @@ # Calculate the load address of the compressed kernel image hostprogs-y := calc_vmlinuz_load_addr +ifdef CONFIG_BCM47XX +# XXX just after CFE, just pray the address is static +VMLINUZ_LOAD_ADDRESS = 0xffffffff80900000 +else VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) +endif vmlinuzobjs-y += $(obj)/piggy.o @@ -105,4 +110,12 @@ vmlinuz.srec: vmlinuz $(call cmd,objcopy) -clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} +AFLAGS_selfreloc.o := -DVMLINUZ_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) +CPPFLAGS_selfreloc.lds := $(KBUILD_CFLAGS) + +arch/mips/boot/compressed/selfreloc.o: arch/mips/boot/compressed/selfreloc.S vmlinuz.bin FORCE + +vmlinuz.elf: arch/mips/boot/compressed/selfreloc.o arch/mips/boot/compressed/selfreloc.lds FORCE + $(LD) $(LDFLAGS) -T arch/mips/boot/compressed/selfreloc.lds arch/mips/boot/compressed/selfreloc.o -o $@ + +clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec,elf} $(objtree)/arch/mips/boot/compressed/selfreloc.{o,lds} diff -Nur linux-2.6.39.4.orig/arch/mips/boot/compressed/selfreloc.S linux-2.6.39.4/arch/mips/boot/compressed/selfreloc.S --- linux-2.6.39.4.orig/arch/mips/boot/compressed/selfreloc.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.39.4/arch/mips/boot/compressed/selfreloc.S 2012-01-17 20:35:09.000000000 +0100 @@ -0,0 +1,54 @@ +/*- + * written 2011 by Thorsten Glaser based on + * arch/mips/boot/compressed/head.S + */ + +#include +#include + + .set noreorder + .cprestore + + .text + LEAF(selfreloc_start) +selfreloc_start: + /* Save boot rom start args */ + move s0, a0 + move s1, a1 + move s2, a2 + move s3, a3 + + /* Copy code to the correct place */ + PTR_LI a0, VMLINUZ_LOAD_ADDRESS + PTR_LA a1, imgbeg + PTR_LA a2, imgend +1: lw t0, 0(a1) + sw t0, 0(a0) + add a1, 4 + add a0, 4 + blt a1, a2, 1b + nop + + /* Restore boot rom start args */ + move a0, s0 + move a1, s1 + move a2, s2 + move a3, s3 + + /* Jump to the code at its new location */ + PTR_LI k0, VMLINUZ_LOAD_ADDRESS + jr k0 + nop + + /* Just in case we come back… */ +3: + b 3b + nop + END(selfreloc_start) + + .globl imgbeg + .p2align 2 +imgbeg: .incbin "vmlinuz.bin" + .globl imgend + .p2align 2 +imgend: diff -Nur linux-2.6.39.4.orig/arch/mips/boot/compressed/selfreloc.lds.S linux-2.6.39.4/arch/mips/boot/compressed/selfreloc.lds.S --- linux-2.6.39.4.orig/arch/mips/boot/compressed/selfreloc.lds.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.39.4/arch/mips/boot/compressed/selfreloc.lds.S 2012-01-17 20:35:09.000000000 +0100 @@ -0,0 +1,39 @@ +/*- + * written 2010 by Thorsten Glaser based on + * arch/mips/kernel/vmlinux.lds and arch/mips/boot/compressed/ld.script + */ + +#include +#include +#include + +#undef mips +#define mips mips +OUTPUT_ARCH(mips) +ENTRY(selfreloc_start) +PHDRS { + text PT_LOAD FLAGS(7); /* RWX */ +} +SECTIONS +{ + . = VMLINUX_LOAD_ADDRESS; + .text : { + *(.text) + *(.text.*) + *(.rodata) + *(.rodata.*) + *(.data) + *(.data.*) + *(.bss) + *(.bss.*) + } :text + /DISCARD/ : { + *(.MIPS.options) + *(.options) + *(.pdr) + *(.reginfo) + *(.comment) + *(.note) + *(.gnu.attributes) + } +} diff -Nur linux-2.6.39.4.orig/arch/mips/boot/compressed/uart-16550.c linux-2.6.39.4/arch/mips/boot/compressed/uart-16550.c --- linux-2.6.39.4.orig/arch/mips/boot/compressed/uart-16550.c 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/arch/mips/boot/compressed/uart-16550.c 2012-01-17 20:35:09.000000000 +0100 @@ -18,6 +18,11 @@ #define PORT(offset) (CKSEG1ADDR(AR7_REGS_UART0) + (4 * offset)) #endif +#ifdef CONFIG_BCM47XX +#define UART_BASE 0x18000300 +#define PORT(offset) (CKSEG1ADDR(UART_BASE) + (offset)) +#endif + #ifndef PORT #error please define the serial port address for your own machine #endif diff -Nur linux-2.6.39.4.orig/drivers/ssb/driver_mipscore.c linux-2.6.39.4/drivers/ssb/driver_mipscore.c --- linux-2.6.39.4.orig/drivers/ssb/driver_mipscore.c 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/drivers/ssb/driver_mipscore.c 2012-01-17 20:35:09.000000000 +0100 @@ -190,10 +190,11 @@ { struct ssb_bus *bus = mcore->dev->bus; + printk("Check for vendor with value: %d", bus->chipco.dev->id.vendor); mcore->flash_buswidth = 2; if (bus->chipco.dev) { mcore->flash_window = 0x1c000000; - mcore->flash_window_size = 0x02000000; + mcore->flash_window_size = 0x00800000; if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) & SSB_CHIPCO_CFG_DS16) == 0) mcore->flash_buswidth = 1; diff -Nur linux-2.6.39.4.orig/init/Kconfig linux-2.6.39.4/init/Kconfig --- linux-2.6.39.4.orig/init/Kconfig 2011-08-03 21:43:28.000000000 +0200 +++ linux-2.6.39.4/init/Kconfig 2012-01-17 20:35:09.000000000 +0100 @@ -156,6 +156,7 @@ config KERNEL_GZIP bool "Gzip" depends on HAVE_KERNEL_GZIP + select DECOMPRESS_GZIP help The old and tried gzip compression. It provides a good balance between compression ratio and decompression speed. @@ -163,6 +164,7 @@ config KERNEL_BZIP2 bool "Bzip2" depends on HAVE_KERNEL_BZIP2 + select DECOMPRESS_BZIP2 help Its compression ratio and speed is intermediate. Decompression speed is slowest among the three. The kernel @@ -173,6 +175,7 @@ config KERNEL_LZMA bool "LZMA" depends on HAVE_KERNEL_LZMA + select DECOMPRESS_LZMA help The most recent compression algorithm. Its ratio is best, decompression speed is between the other @@ -197,6 +200,7 @@ config KERNEL_LZO bool "LZO" depends on HAVE_KERNEL_LZO + select DECOMPRESS_LZO help Its compression ratio is the poorest among the 4. The kernel size is about 10% bigger than gzip; however its speed