From: Vladimir Vid <vladimir.vid@sartura.hr>
Date: Fri, 7 Jun 2019 13:58:15 +0000 (+0200)
Subject: mvebu: image: fix generic-arm64.bootscript mmc selection
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=008b41b9b0ddd4c5c877a769a85d27eb9c4e21a4;p=openwrt%2Fstaging%2Fluka.git

mvebu: image: fix generic-arm64.bootscript mmc selection

Not all versions of ESPRESSObin require SD card, but can
be booted from the internal emmc flash (mmc dev 1) instead.
Add a simple check in the bootscript to see which mmc device
is detected and boot from it using mmcdev variable.

Tested-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
Signed-off-by: Vladimir Vid <vladimir.vid@sartura.hr>
---

diff --git a/target/linux/mvebu/image/generic-arm64.bootscript b/target/linux/mvebu/image/generic-arm64.bootscript
index f395590f84..bb78948253 100644
--- a/target/linux/mvebu/image/generic-arm64.bootscript
+++ b/target/linux/mvebu/image/generic-arm64.bootscript
@@ -4,7 +4,13 @@ if test -n "${console}"; then
 	setenv bootargs "${bootargs} ${console}"
 fi
 
-load mmc 0:1 ${fdt_addr} @DTB@.dtb
-load mmc 0:1 ${kernel_addr} Image
+if mmc dev 0; then
+	setenv mmcdev 0
+elif mmc dev 1; then
+	setenv mmcdev 1
+fi
+
+load mmc ${mmcdev}:1 ${fdt_addr} @DTB@.dtb
+load mmc ${mmcdev}:1 ${kernel_addr} Image
 
 booti ${kernel_addr} - ${fdt_addr}