board: Add a gd flag for chain loading
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>
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index d9e220c..8c78792 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -166,5 +166,6 @@
#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_SKIP_LL_INIT 0x20000 /* Don't perform low-level init */
#endif /* __ASM_GENERIC_GBL_DATA_H */