diff options
Diffstat (limited to 'board/st/stm32f746-disco/stm32f746-disco.c')
| -rw-r--r-- | board/st/stm32f746-disco/stm32f746-disco.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/board/st/stm32f746-disco/stm32f746-disco.c b/board/st/stm32f746-disco/stm32f746-disco.c index 7a6d93cb67..fc4c60c3a4 100644 --- a/board/st/stm32f746-disco/stm32f746-disco.c +++ b/board/st/stm32f746-disco/stm32f746-disco.c @@ -8,6 +8,7 @@ #include <common.h> #include <dm.h> #include <ram.h> +#include <spl.h> #include <asm/io.h> #include <asm/armv7m.h> #include <asm/arch/stm32.h> @@ -36,16 +37,18 @@ int get_memory_base_size(fdt_addr_t *mr_base, fdt_addr_t *mr_size) } int dram_init(void) { - struct udevice *dev; int rv; fdt_addr_t mr_base, mr_size; +#ifndef CONFIG_SUPPORT_SPL + struct udevice *dev; rv = uclass_get_device(UCLASS_RAM, 0, &dev); if (rv) { debug("DRAM init failed: %d\n", rv); return rv; } +#endif rv = get_memory_base_size(&mr_base, &mr_size); if (rv) return rv; @@ -87,6 +90,37 @@ 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) +{ + struct udevice *dev; + int rv; + rv = uclass_get_device(UCLASS_RAM, 0, &dev); + if (rv) + debug("DRAM init failed: %d\n", rv); + return rv; +} +void spl_board_init(void) +{ + spl_dram_init(); + preloader_console_init(); + arch_cpu_init(); /* to configure mpu for sdram rw permissions */ +} +u32 spl_boot_device(void) +{ + return BOOT_DEVICE_XIP; +} + +#endif u32 get_board_rev(void) { return 0; |