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MIPS: bootm: add support for generic relocation of init ramdisks

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All linux kernels after v2.6 require a page-aligned location of
an external init ramdisk. Enable CONFIG_SYS_BOOT_RAMDISK_HIGH to
support this with the generic U-Boot relocation code.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Daniel Schwierzeck 2013-05-09 17:10:06 +02:00
parent 15f8aa9093
commit 6c154552b0
2 changed files with 7 additions and 2 deletions
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1
arch/mips/include/asm/config.h
View File

@ -8,5 +8,6 @@
#define _ASM_CONFIG_H_
#define CONFIG_LMB
#define CONFIG_SYS_BOOT_RAMDISK_HIGH
#endif

8
arch/mips/lib/bootm.c
View File

@ -147,6 +147,7 @@ static void boot_prep_linux(bootm_headers_t *images)
{
char env_buf[12];
const char *cp;
ulong rd_start, rd_size;
#ifdef CONFIG_MEMSIZE_IN_BYTES
sprintf(env_buf, "%lu", (ulong)gd->ram_size);
@ -157,14 +158,17 @@ static void boot_prep_linux(bootm_headers_t *images)
(ulong)(gd->ram_size >> 20));
#endif /* CONFIG_MEMSIZE_IN_BYTES */
rd_start = UNCACHED_SDRAM(images->initrd_start);
rd_size = images->initrd_end - images->initrd_start;
linux_env_init();
linux_env_set("memsize", env_buf);
sprintf(env_buf, "0x%08X", (uint) UNCACHED_SDRAM(images->rd_start));
sprintf(env_buf, "0x%08lX", rd_start);
linux_env_set("initrd_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (images->rd_end - images->rd_start));
sprintf(env_buf, "0x%lX", rd_size);
linux_env_set("initrd_size", env_buf);
sprintf(env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));