From: Ye Li ye.li@nxp.com
Read from ROM API to get current boot device.
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-imx8ulp/sys_proto.h | 1 + arch/arm/mach-imx/imx8ulp/soc.c | 84 +++++++++++++++++++ 2 files changed, 85 insertions(+)
diff --git a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h index 47ee46bdf4..1a142dce72 100644 --- a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h +++ b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h @@ -15,4 +15,5 @@ ulong spl_romapi_get_uboot_base(u32 image_offset, u32 rom_bt_dev); enum bt_mode get_boot_mode(void); int xrdc_config_pdac(u32 bridge, u32 index, u32 dom, u32 perm); int xrdc_config_pdac_openacc(u32 bridge, u32 index); +enum boot_device get_boot_device(void); #endif diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index 8828a94318..add4618440 100644 --- a/arch/arm/mach-imx/imx8ulp/soc.c +++ b/arch/arm/mach-imx/imx8ulp/soc.c @@ -9,6 +9,7 @@ #include <asm/arch/sys_proto.h> #include <asm/armv8/mmu.h> #include <asm/mach-imx/boot_mode.h> +#include <asm/global_data.h> #include <efi_loader.h> #include <spl.h> #include <asm/arch/rdc.h> @@ -27,6 +28,89 @@ DECLARE_GLOBAL_DATA_PTR;
struct rom_api *g_rom_api = (struct rom_api *)0x1980;
+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; +} + +bool is_usb_boot(void) +{ + return get_boot_device() == USB_BOOT; +} + +#ifdef CONFIG_ENV_IS_IN_MMC +__weak int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int mmc_get_env_dev(void) +{ + volatile gd_t *pgd = gd; + int ret; + u32 boot; + u16 boot_type; + u8 boot_instance; + + 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 CONFIG_SYS_MMC_ENV_DEV; + } + + boot_type = boot >> 16; + boot_instance = (boot >> 8) & 0xff; + + /* If not boot from sd/mmc, use default value */ + if (boot_type != BOOT_TYPE_SD && boot_type != BOOT_TYPE_MMC) + return env_get_ulong("mmcdev", 10, CONFIG_SYS_MMC_ENV_DEV); + + return board_mmc_get_env_dev(boot_instance); +} +#endif + u32 get_cpu_rev(void) { return (MXC_CPU_IMX8ULP << 12) | CHIP_REV_1_0;