diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3036-board.c')
-rw-r--r-- | arch/arm/mach-rockchip/rk3036-board.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3036-board.c b/arch/arm/mach-rockchip/rk3036-board.c index b63f9c0..bf2b268 100644 --- a/arch/arm/mach-rockchip/rk3036-board.c +++ b/arch/arm/mach-rockchip/rk3036-board.c @@ -11,11 +11,50 @@ #include <asm/io.h> #include <asm/arch/clock.h> #include <asm/arch/periph.h> +#include <asm/arch/grf_rk3036.h> +#include <asm/arch/boot_mode.h> +#include <asm/arch/sdram_rk3036.h> #include <asm/gpio.h> #include <dm/pinctrl.h> DECLARE_GLOBAL_DATA_PTR; +#define GRF_BASE 0x20008000 + +static void setup_boot_mode(void) +{ + struct rk3036_grf *const grf = (void *)GRF_BASE; + int boot_mode = readl(&grf->os_reg[4]); + + debug("boot mode %x.\n", boot_mode); + + /* Clear boot mode */ + writel(BOOT_NORMAL, &grf->os_reg[4]); + + switch (boot_mode) { + case BOOT_FASTBOOT: + printf("enter fastboot!\n"); + setenv("preboot", "setenv preboot; fastboot usb0"); + break; + case BOOT_UMS: + printf("enter UMS!\n"); + setenv("preboot", "setenv preboot; ums mmc 0"); + break; + } +} + +__weak int rk_board_late_init(void) +{ + return 0; +} + +int board_late_init(void) +{ + setup_boot_mode(); + + return rk_board_late_init(); +} + int board_init(void) { return 0; |