mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 14:07:30 +02:00
f1215ac7aa
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30534 3c298f89-4303-0410-b956-a3cf2f4a3e73
94 lines
2.9 KiB
Diff
94 lines
2.9 KiB
Diff
Index: linux-3.1.10/drivers/mtd/mtdpart.c
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===================================================================
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--- linux-3.1.10.orig/drivers/mtd/mtdpart.c 2012-02-14 19:38:40.102266817 +0100
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+++ linux-3.1.10/drivers/mtd/mtdpart.c 2012-02-14 19:38:40.146266819 +0100
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@@ -899,6 +899,38 @@
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return le32_to_cpu(temp) == SQUASHFS_MAGIC;
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}
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+static unsigned long find_brnimage_size(struct mtd_info *mtd,
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+ unsigned long offset)
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+{
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+ unsigned long buf[4];
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+ // Assume at most 2MB of kernel image
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+ unsigned long end = offset + (2 << 20);
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+ unsigned long ptr = offset + 0x400 - 12;
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+ size_t len;
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+ int ret;
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+
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+ while (ptr < end) {
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+ long size_min = ptr - 0x400 - 12 - offset;
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+ long size_max = ptr + 12 - offset;
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+ ret = mtd->read(mtd, ptr, 16, &len, (void *)buf);
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+ if (ret || len != 16)
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+ return 0;
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+
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+ if (le32_to_cpu(buf[0]) < size_min ||
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+ le32_to_cpu(buf[0]) > size_max) {
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+ ptr += 0x400;
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+ continue;
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+ }
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+
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+ if (le32_to_cpu(buf[3]) == SQUASHFS_MAGIC)
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+ return ptr + 12 - offset;
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+
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+ ptr += 0x400;
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+ }
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+
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+ return 0;
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+}
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+
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static int split_uimage(struct mtd_info *mtd,
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const struct mtd_partition *part)
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{
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@@ -916,8 +948,11 @@
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split_partitions[0].size = find_uimage_size(mtd, part->offset);
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if (!split_partitions[0].size) {
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- printk(KERN_NOTICE "no uImage found in linux partition\n");
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- return -1;
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+ split_partitions[0].size = find_brnimage_size(mtd, part->offset);
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+ if (!split_partitions[0].size) {
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+ printk(KERN_NOTICE "no uImage or brnImage found in linux partition\n");
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+ return -1;
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+ }
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}
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if (!detect_squashfs_partition(mtd,
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Index: linux-3.1.10/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
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===================================================================
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--- linux-3.1.10.orig/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h 2012-02-14 19:38:40.058266816 +0100
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+++ linux-3.1.10/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h 2012-02-14 19:57:07.790314179 +0100
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@@ -149,6 +149,7 @@
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extern __iomem void *ltq_ebu_membase;
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extern __iomem void *ltq_cgu_membase;
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+extern unsigned long ltq_brn_boot;
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/* request a non-gpio and set the PIO config */
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extern int ltq_gpio_request(unsigned int pin, unsigned int alt0,
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Index: linux-3.1.10/arch/mips/lantiq/setup.c
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===================================================================
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--- linux-3.1.10.orig/arch/mips/lantiq/setup.c 2012-02-14 19:38:40.010266814 +0100
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+++ linux-3.1.10/arch/mips/lantiq/setup.c 2012-02-14 19:38:40.150266820 +0100
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@@ -20,6 +20,8 @@
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/* assume 16M as default incase uboot fails to pass proper ramsize */
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unsigned long physical_memsize = 16L;
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+/* set to 1 if the bootloader is BRN-BOOT instead of u-boot */
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+unsigned long ltq_brn_boot = 0;
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void __init plat_mem_setup(void)
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{
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@@ -39,6 +41,10 @@
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if (strict_strtoul(e, 0, &physical_memsize))
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pr_warn("bad memsize specified\n");
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}
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+ if (!strncmp(e, "BRN-BOOT", 8)){
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+ pr_info("Found BRN-BOOT instead of u-boot\n");
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+ ltq_brn_boot = 1;
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+ }
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envp++;
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}
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physical_memsize *= 1024 * 1024;
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