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rockchip: spl-boot-order: do not attempt to access fdt if OF_PLATDATA

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gd->fdt_blob is null if using OF_PLATDATA in SPL, which causes a hang
after f0921f5098 ("fdt: Sync up to the latest libfdt").
We use the same test that is used in spl_common_init on whether to call
fdtdec_setup to unconditionally avoid linking in the fdt-using code
when not necessary and thus reduce SPL size.

Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Urja Rannikko 2020-05-13 19:15:22 +00:00 committed by Kever Yang
parent fffdf7290c
commit e68a843601
1 changed files with 6 additions and 0 deletions
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6
arch/arm/mach-rockchip/spl-boot-order.c
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@ -99,6 +99,12 @@ __weak const char *board_spl_was_booted_from(void)
void board_boot_order(u32 *spl_boot_list)
{
/* In case of no fdt (or only platdata), use spl_boot_device() */
if (!CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_PLATDATA)) {
spl_boot_list[0] = spl_boot_device();
return;
}
const void *blob = gd->fdt_blob;
int chosen_node = fdt_path_offset(blob, "/chosen");
int idx = 0;