[U-Boot] [PATCH] spl: mmc: Fix raw boot mode (related to commit 4c5bbc2328a24f5e1ee990c9a9527e48e5fb3b5f)

[Guillaume GARDET]

As reported by Robert Nelson, commit 4c5bbc2328a24f5e1ee990c9a9527e48e5fb3b5f 
may break MMC RAW boot mode.
This patch fixes the check path to fix MMC Raw boot mode.

Tested raw boot mode and FS boot mode on a pandaboard (rev. A3).

Reported-by: Robert Nelson <robertcnelson at gmail.com>
Signed-off-by: Guillaume GARDET <guillaume.gardet at free.fr>

Cc: Tom Rini <trini at ti.com>
Cc: Robert Nelson <robertcnelson at gmail.com>

---
 common/spl/spl_mmc.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index 7bae16b..c2e596b 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -172,11 +172,24 @@ void spl_mmc_load_image(void)
 		err = mmc_load_image_raw_sector(mmc,
 			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
 #endif
-	} else {
+	}
+
+	switch(boot_mode){
+		case MMCSD_MODE_RAW:
+#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
+		case MMCSD_MODE_FS:
+#endif
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+		case MMCSD_MODE_EMMCBOOT:
+#endif
+			/* Boot mode is ok. Nothing to do. */
+			break;
+		case MMCSD_MODE_UNDEFINED:
+		default:
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-		puts("spl: wrong MMC boot mode\n");
+			puts("spl: wrong MMC boot mode\n");
 #endif
-		hang();
+			hang();
 	}
 
 	if (err)
-- 
1.8.4.5