It will be easy to separate SD/EMMC when booting in SPL stage, then
no need to bother which device is BOOT_DEVICE_MMC1/2.

Signed-off-by: Peng Fan <peng....@nxp.com>
---
 arch/arm/mach-imx/spl.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index f4a4617baf..dde1635a9d 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -189,6 +189,34 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev, 
const char *name)
 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
 u32 spl_boot_mode(const u32 boot_device)
 {
+#if defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
+       switch (get_boot_device()) {
+       /* for MMC return either RAW or FAT mode */
+       case SD1_BOOT:
+       case SD2_BOOT:
+       case SD3_BOOT:
+#if defined(CONFIG_SPL_FAT_SUPPORT)
+               return MMCSD_MODE_FS;
+#else
+               return MMCSD_MODE_RAW;
+#endif
+               break;
+       case MMC1_BOOT:
+       case MMC2_BOOT:
+       case MMC3_BOOT:
+#if defined(CONFIG_SPL_FAT_SUPPORT)
+               return MMCSD_MODE_FS;
+#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
+               return MMCSD_MODE_EMMCBOOT;
+#else
+               return MMCSD_MODE_RAW;
+#endif
+               break;
+       default:
+               puts("spl: ERROR:  unsupported device\n");
+               hang();
+       }
+#else
 /*
  * When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used
  * unconditionally to decide about device to use for booting.
@@ -217,6 +245,7 @@ u32 spl_boot_mode(const u32 boot_device)
                puts("spl: ERROR:  unsupported device\n");
                hang();
        }
+#endif
 }
 #endif
 
-- 
2.16.4

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