@@ -21,6 +21,7 @@ config SUPPORT_SPL
select SPL_RAM
select SPL_DM_SEQ_ALIAS
select SPL_OF_TRANSLATE
+ select SPL_OS_BOOT
config SPL_PINCTRL_FULL
default n if TARGET_STM32F746_DISCO
@@ -91,6 +91,14 @@ int board_early_init_f(void)
#endif
#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ debug("SPL: booting kernel\n");
+ /* break into full u-boot on 'c' */
+ return serial_tstc() && serial_getc() == 'c';
+}
+#endif
int spl_dram_init(void)
{
@@ -86,6 +86,13 @@
#define CONFIG_SYS_UBOOT_START 0XC00003FD
#define CONFIG_SYS_UBOOT_BASE (CONFIG_SYS_FLASH_BASE + \
CONFIG_SYS_SPL_LEN)
+
+#define CONFIG_SYS_OS_BASE 0x08040000
+/* DT blob (fdt) address */
+#define CONFIG_SYS_SPL_ARGS_ADDR 0xC0000100
+#define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
+ 0x1C0000)
+#define CONFIG_SYS_FDT_SIZE (20*1024)
#endif
/* For SPL ends */
Signed-off-by: Vikas Manocha <vikas.manocha@st.com> --- arch/arm/mach-stm32/stm32f7/Kconfig | 1 + board/st/stm32f746-disco/stm32f746-disco.c | 8 ++++++++ include/configs/stm32f746-disco.h | 7 +++++++ 3 files changed, 16 insertions(+)