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board: Add a gd flag for chain loading

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When U-Boot is run from another boot loader, much of the low-level init
needs to be skipped.

Add a flag for this and adjust ll_boot_init() to use it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2020-04-26 09:12:57 -06:00
committed by Bin Meng
parent f1f4438218
commit ba974a0137
2 changed files with 2 additions and 1 deletions
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include/init.h
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@@ -20,7 +20,7 @@ struct global_data;
#ifdef CONFIG_EFI_STUB
#define ll_boot_init() false
#else
#define ll_boot_init() true
#define ll_boot_init() (!(gd->flags & GD_FLG_SKIP_LL_INIT))
#endif
/*