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| author | Peng Fan <peng.fan@nxp.com> | 2019-09-16 03:09:36 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2019-11-05 10:27:18 +0100 |
| commit | b1821376ee19635127c505bbb94cd3c186f702e8 (patch) | |
| tree | f9193663669e28aeb114af8e412e9e17fde5eae8 | |
| parent | b890c4aede098f274eff2d2ea2a22eb95d5fe20d (diff) | |
| download | u-boot-b1821376ee19635127c505bbb94cd3c186f702e8.zip u-boot-b1821376ee19635127c505bbb94cd3c186f702e8.tar.gz u-boot-b1821376ee19635127c505bbb94cd3c186f702e8.tar.bz2 | |
imx8mn: add get_boot_device
No ROM INFO structure on iMX8MN, use new ROM API to get boot device
from ROM.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
| -rw-r--r-- | arch/arm/mach-imx/imx8m/soc.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index e2c1c13..a72ce3f 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -283,6 +283,54 @@ int arch_cpu_init(void) return 0; } +#if defined(CONFIG_IMX8MN) || defined(CONFIG_IMX8MP) +struct rom_api *g_rom_api = (struct rom_api *)0x980; + +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); + 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; +} +#endif + bool is_usb_boot(void) { return get_boot_device() == USB_BOOT; |