diff options
Diffstat (limited to 'arch/arm/mach-imx/romapi.c')
| -rw-r--r-- | arch/arm/mach-imx/romapi.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/romapi.c b/arch/arm/mach-imx/romapi.c index 0e7b1d1a001..4b5f50c0300 100644 --- a/arch/arm/mach-imx/romapi.c +++ b/arch/arm/mach-imx/romapi.c @@ -2,6 +2,7 @@ #include <asm/global_data.h> #include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> DECLARE_GLOBAL_DATA_PTR; @@ -28,3 +29,49 @@ u32 rom_api_query_boot_infor(u32 info_type, u32 *info) return ret; } + +extern struct rom_api *g_rom_api; + +enum boot_device get_boot_device(void) +{ + volatile gd_t *pgd = gd; + int ret; + u32 boot; + u16 boot_type; + u8 boot_instance; + enum boot_device boot_dev = SD1_BOOT; + + ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot, + ((uintptr_t)&boot) ^ QUERY_BT_DEV); + set_gd(pgd); + + if (ret != ROM_API_OKAY) { + puts("ROMAPI: failure at query_boot_info\n"); + return -1; + } + + boot_type = boot >> 16; + boot_instance = (boot >> 8) & 0xff; + + switch (boot_type) { + case BT_DEV_TYPE_SD: + boot_dev = boot_instance + SD1_BOOT; + break; + case BT_DEV_TYPE_MMC: + boot_dev = boot_instance + MMC1_BOOT; + break; + case BT_DEV_TYPE_NAND: + boot_dev = NAND_BOOT; + break; + case BT_DEV_TYPE_FLEXSPINOR: + boot_dev = QSPI_BOOT; + break; + case BT_DEV_TYPE_USB: + boot_dev = USB_BOOT; + break; + default: + break; + } + + return boot_dev; +} |