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FDT: only call boot_get_fdt from generic code

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All arches except nios2 and microblaze call boot_get_fdt
from bootm_start in common/cmd_bootm.c.

Having nios2 and microblaze do so as well removes code from
their respective do_bootm_linux routines and allows removal of
a nasty ifdef from bootm_start.

In the case where boot_get_fdt returns an error bootm_start
returns and the platform specific do_bootm_linux routines
will never get called.

Also only check argv[3] for an fdt addr if argc > 3 first.
This is already the case for nios2.

Signed-off-by: John Rigby <john.rigby@linaro.org>
CC: Scott McNutt <smcnutt@psyent.com>
CC: Michal Simek <monstr@monstr.eu>
CC: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Wolfgang Denk <wd@denx.de>
Acked-by: Michal Simek <monstr@monstr.eu>
Tested-by: Thomas Chou <thomas@wytron.com.tw>
This commit is contained in:
John Rigby
2010-10-13 13:57:34 -06:00
committed by Wolfgang Denk
parent a6bd9e83ab
commit 5a75e12107
3 changed files with 8 additions and 16 deletions
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8
arch/nios2/lib/bootm.c
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@@ -36,11 +36,9 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
ulong initrd_end = images->rd_end;
char *of_flat_tree = NULL;
#if defined(CONFIG_OF_LIBFDT)
ulong of_size = 0;
/* find flattened device tree */
if (boot_get_fdt(flag, argc, argv, images, &of_flat_tree, &of_size))
return 1;
/* did generic code already find a device tree? */
if (images->ft_len)
of_flat_tree = images->ft_addr;
#endif
if (!of_flat_tree && argc > 3)
of_flat_tree = (char *)simple_strtoul(argv[3], NULL, 16);