Some boards have a special way of loading U-Boot that does not fit with the existing SPL code. For example sunxi uses an 'FEL' mode where U-Boot is loaded over USB. Add a CONFIG option and boot mode for this.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/include/asm/spl.h | 4 ++++ common/spl/spl.c | 5 +++++ 2 files changed, 9 insertions(+)
diff --git a/arch/arm/include/asm/spl.h b/arch/arm/include/asm/spl.h index 8acd7cd..17b6f54 100644 --- a/arch/arm/include/asm/spl.h +++ b/arch/arm/include/asm/spl.h @@ -26,10 +26,14 @@ enum { BOOT_DEVICE_SPI, BOOT_DEVICE_SATA, BOOT_DEVICE_I2C, + BOOT_DEVICE_BOARD, BOOT_DEVICE_NONE }; #endif
+/* Board-specific load method */ +void spl_board_load_image(void); + /* Linker symbols. */ extern char __bss_start[], __bss_end[];
diff --git a/common/spl/spl.c b/common/spl/spl.c index daaeb50..ded0f30 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -229,6 +229,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2) spl_sata_load_image(); break; #endif +#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE + case BOOT_DEVICE_BOARD: + spl_board_load_image(); + break; +#endif default: #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT) puts("SPL: Unsupported Boot Device!\n");