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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 2012-06-02 20:35:49.000000000 +0200
@@ -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 2012-06-02 20:35:49.000000000 +0200
@@ -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 2012-06-02 20:35:49.000000000 +0200
@@ -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 2012-06-02 20:35:49.000000000 +0200
@@ -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 <wbx@openadk.org>
+ * Copyright © 2007, 2011 Thorsten Glaser <tg@freewrt.org>
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/mtd/physmap.h>
+#include <linux/ssb/ssb.h>
+
+#include <asm/mach-bcm47xx/bcm47xx.h>
+#include <asm/mach-bcm47xx/nvram.h>
+
+#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 2012-06-02 20:37:43.000000000 +0200
@@ -44,6 +44,7 @@
tool_$(CONFIG_KERNEL_BZIP2) = bzip2
tool_$(CONFIG_KERNEL_LZMA) = lzma
tool_$(CONFIG_KERNEL_LZO) = lzo
+tool_$(CONFIG_KERNEL_XZ) = xzkern
targets += vmlinux.bin.z
$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
@@ -58,8 +59,13 @@
# 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 +111,12 @@
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/decompress.c linux-2.6.39.4/arch/mips/boot/compressed/decompress.c
--- linux-2.6.39.4.orig/arch/mips/boot/compressed/decompress.c 2011-08-03 21:43:28.000000000 +0200
+++ linux-2.6.39.4/arch/mips/boot/compressed/decompress.c 2012-06-02 20:39:09.000000000 +0200
@@ -43,7 +43,7 @@
/* activate the code for pre-boot environment */
#define STATIC static
-#ifdef CONFIG_KERNEL_GZIP
+#if defined(CONFIG_KERNEL_GZIP) || defined(CONFIG_KERNEL_XZ)
void *memcpy(void *dest, const void *src, size_t n)
{
int i;
@@ -54,6 +54,8 @@
d[i] = s[i];
return dest;
}
+#endif
+#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
@@ -78,6 +80,10 @@
#include "../../../../lib/decompress_unlzo.c"
#endif
+#ifdef CONFIG_KERNEL_XZ
+#include "../../../../lib/decompress_unxz.c"
+#endif
+
void decompress_kernel(unsigned long boot_heap_start)
{
unsigned long zimage_start, zimage_size;
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 2012-06-02 20:35:49.000000000 +0200
@@ -0,0 +1,54 @@
+/*-
+ * written 2011 by Thorsten Glaser <tg@freewrt.org> based on
+ * arch/mips/boot/compressed/head.S
+ */
+
+#include <asm/asm.h>
+#include <asm/regdef.h>
+
+ .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 2012-06-02 20:35:49.000000000 +0200
@@ -0,0 +1,39 @@
+/*-
+ * written 2010 by Thorsten Glaser <tg@debian.org> based on
+ * arch/mips/kernel/vmlinux.lds and arch/mips/boot/compressed/ld.script
+ */
+
+#include <asm/asm-offsets.h>
+#include <asm/page.h>
+#include <asm-generic/vmlinux.lds.h>
+
+#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 2012-06-02 20:35:49.000000000 +0200
@@ -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 2012-06-02 20:35:49.000000000 +0200
@@ -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 2012-06-02 20:36:11.000000000 +0200
@@ -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
@@ -182,6 +185,7 @@
config KERNEL_XZ
bool "XZ"
depends on HAVE_KERNEL_XZ
+ select DECOMPRESS_XZ
help
XZ uses the LZMA2 algorithm and instruction set specific
BCJ filters which can improve compression ratio of executable
@@ -197,6 +201,7 @@
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
diff -Nur linux-2.6.39.4.orig/lib/xz/xz_stream.h linux-2.6.39.4/lib/xz/xz_stream.h
--- linux-2.6.39.4.orig/lib/xz/xz_stream.h 2011-08-03 21:43:28.000000000 +0200
+++ linux-2.6.39.4/lib/xz/xz_stream.h 2012-06-02 20:40:18.000000000 +0200
@@ -40,7 +40,12 @@
* compressed size of the file to less than 256 MiB and may also weaken
* error detection slightly.
*/
+
+#ifdef __mips__
+typedef uint32_t vli_type;
+#else
typedef uint64_t vli_type;
+#endif
#define VLI_MAX ((vli_type)-1 / 2)
#define VLI_UNKNOWN ((vli_type)-1)
|