No ROM INFO structure on iMX8MN, use new ROM API to get boot device
from ROM.
Signed-off-by: Peng Fan <peng....@nxp.com>
---
arch/arm/mach-imx/imx8m/soc.c | 48 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 98896893c9..23e1de9401 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -263,6 +263,54 @@ int arch_cpu_init(void)
return 0;
}
+#if defined(CONFIG_IMX8MN)
+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;
--
2.16.4
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