generic_board: do not set gd->fdt_blob unless CONFIG_OF_CONTROL=y

gd->fdt_blob is used for FDT control of U-Boot.
If CONFIG_OF_CONTROL is not defined, it is useless.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Masahiro Yamada 2014-09-06 23:39:00 +09:00 committed by Tom Rini
parent 8e71443211
commit c970dffedb

View File

@ -341,21 +341,23 @@ static int setup_ram_buf(void)
static int setup_fdt(void)
{
#ifdef CONFIG_OF_EMBED
#ifdef CONFIG_OF_CONTROL
# ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = __dtb_dt_begin;
#elif defined CONFIG_OF_SEPARATE
# elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
gd->fdt_blob = (ulong *)&_end;
#elif defined(CONFIG_OF_HOSTFILE)
# elif defined(CONFIG_OF_HOSTFILE)
if (read_fdt_from_file()) {
puts("Failed to read control FDT\n");
return -1;
}
#endif
# endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
(uintptr_t)gd->fdt_blob);
#endif
return 0;
}