imx: cpu: support get_boot_device for i.MX8M

Enable get_boot_device for i.MX8M, it supports boot type USB.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>

diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index a7d89f20338c92bff322d9614f9210811798a31f..4d4d434906f1b1dddb5b0caee11e0e2ad7c97ff0 100644 (file)
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -410,7 +410,7 @@ u32 get_cpu_temp_grade(int *minc, int *maxc)
 }
 #endif
 
-#if defined(CONFIG_MX7)
+#if defined(CONFIG_MX7) || defined(CONFIG_MX8M)
 enum boot_device get_boot_device(void)
 {
        struct bootrom_sw_info **p =
@@ -439,6 +439,11 @@ enum boot_device get_boot_device(void)
        case BOOT_TYPE_SPINOR:
                boot_dev = SPI_NOR_BOOT;
                break;
+#ifdef CONFIG_MX8M
+       case BOOT_TYPE_USB:
+               boot_dev = USB_BOOT;
+               break;
+#endif
        default:
                break;
        }