diff options
Diffstat (limited to 'arch/arm/mach-imx/romapi.c')
-rw-r--r-- | arch/arm/mach-imx/romapi.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/romapi.c b/arch/arm/mach-imx/romapi.c new file mode 100644 index 0000000000..c8accdb04d --- /dev/null +++ b/arch/arm/mach-imx/romapi.c @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <asm/global_data.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> + +DECLARE_GLOBAL_DATA_PTR; + +u32 rom_api_download_image(u8 *dest, u32 offset, u32 size) +{ + u32 xor = (uintptr_t)dest ^ offset ^ size; + volatile gd_t *sgd = gd; + u32 ret; + + ret = g_rom_api->download_image(dest, offset, size, xor); + set_gd(sgd); + + return ret; +} + +u32 rom_api_query_boot_infor(u32 info_type, u32 *info) +{ + u32 xor = info_type ^ (uintptr_t)info; + volatile gd_t *sgd = gd; + u32 ret; + + ret = g_rom_api->query_boot_infor(info_type, info, xor); + set_gd(sgd); + + 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 = boot_instance + USB_BOOT; + break; + default: + break; + } + + return boot_dev; +} |