Sabrelite board has two solts: 0 is SD3 (bottom) slot and 1 is uSD4 (top) slot.
This patch makes use of both slots instead of only one.

Signed-off-by: Guillaume GARDET <guillaume.gar...@free.fr>
Cc: Stefano Babic <sba...@denx.de>
Cc: Eric Nelson <eric.nel...@boundarydevices.com>

---
 include/configs/nitrogen6x.h | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/include/configs/nitrogen6x.h b/include/configs/nitrogen6x.h
index d4b0ac9..2a1eb3b 100644
--- a/include/configs/nitrogen6x.h
+++ b/include/configs/nitrogen6x.h
@@ -186,7 +186,7 @@
        "fdt_addr=0x18000000\0" \
        "boot_fdt=try\0" \
        "ip_dyn=yes\0" \
-       "mmcdev=0\0" \
+       "mmcdevs=0 1\0" \
        "mmcpart=1\0" \
        "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
        "mmcargs=setenv bootargs console=${console},${baudrate} " \
@@ -238,16 +238,19 @@
                "fi;\0"
 
 #define CONFIG_BOOTCOMMAND \
-          "mmc dev ${mmcdev}; if mmc rescan; then " \
-                  "if run loadbootscript; then " \
-                          "run bootscript; " \
-                  "else " \
-                          "if run loaduimage; then " \
-                                  "run mmcboot; " \
-                          "else run netboot; " \
-                          "fi; " \
-                  "fi; " \
-          "else run netboot; fi"
+       "for mmcdev in ${mmcdevs}; do " \
+               "mmc dev ${mmcdev}; " \
+               "if mmc rescan; then " \
+                       "if run loadbootscript; then " \
+                               "run bootscript; " \
+                       "else " \
+                               "if run loaduimage; then " \
+                                       "run mmcboot; " \
+                               "fi; " \
+                       "fi; " \
+               "fi; " \
+       "done; " \
+       "run netboot; "
 #else
 #define CONFIG_EXTRA_ENV_SETTINGS \
        "console=ttymxc1\0" \
-- 
1.8.4.5

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