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MIPS: bootm.c: add support for 'prep' and 'go' subcommands 

The bootm command supports subcommands since long time
however those subcommands are not yet usable on MIPS.

The patch is based on the ARM implementation, and it adds
support for the 'prep' and 'go' subcommands only.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
This commit is contained in:
Gabor Juhos 2013-01-07 02:53:42 +00:00 committed by Daniel Schwierzeck
parent 0ea7213f63
commit 9c170e2ef4
1 changed files with 13 additions and 2 deletions
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15
arch/mips/lib/bootm.c
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@ -104,8 +104,19 @@ static void boot_jump_linux(bootm_headers_t *images)
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
/* No need for those on MIPS */
if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
return -1;
if (flag & BOOTM_STATE_OS_PREP) {
boot_prep_linux(images);
return 0;
}
if (flag & BOOTM_STATE_OS_GO) {
boot_jump_linux(images);
return 0;
}
boot_prep_linux(images);
boot_jump_linux(images);