Hi Simon,
On Thu, Apr 9, 2020 at 2:58 AM Simon Glass sjg@chromium.org wrote:
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
Changes in v3:
- Add a new patch with a gd flag for chain loading
Changes in v2: None
include/asm-generic/global_data.h | 1 + include/init.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index 5d027329fe0..3dc51e49ef7 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -166,5 +166,6 @@ typedef struct global_data { #define GD_FLG_SPL_EARLY_INIT 0x04000 /* Early SPL init is done */ #define GD_FLG_LOG_READY 0x08000 /* Log system is ready for use */ #define GD_FLG_WDT_READY 0x10000 /* Watchdog is ready for use */ +#define GD_FLG_NO_LL_INIT 0x20000 /* Don't perform low-level init */
How about GD_FLG_SKIP_LL_INIT ?
#endif /* __ASM_GENERIC_GBL_DATA_H */ diff --git a/include/init.h b/include/init.h index 2a33a3fd1e4..64fdf124916 100644 --- a/include/init.h +++ b/include/init.h @@ -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_NO_LL_INIT)) #endif
Regards, Bin