starfive: support mmc0/1 boot/rootdevices

The Visionfive2 board uses mmc1 as the SD-card (with mmc0 being an
eMMC module). Upcoming boards have only mmc device - prepare support for
them as well.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

diff --git a/target/linux/starfive/image/mmc.bootscript.jh7110 b/target/linux/starfive/image/mmc.bootscript.jh7110
index aeb2e8227500da118171c13c59227165ff9719e2..1789ee5d7a377908fbcc51cc48a94fc44022b67d 100644 (file)
--- a/target/linux/starfive/image/mmc.bootscript.jh7110
+++ b/target/linux/starfive/image/mmc.bootscript.jh7110
@@ -1,5 +1,13 @@
-fatload mmc 1:3 0xa0000000 Image
-fatload mmc 1:3 0x46000000 dtb
+if mmc dev 1; then
+    setenv mmcdev 1
+    setenv rootdev 'root=/dev/mmcblk1p4'
+elif mmc dev 0; then
+    setenv mmcdev 0
+    setenv rootdev 'root=/dev/mmcblk0p4'
+fi
+
+fatload mmc ${mmcdev}:3 0xa0000000 Image
+fatload mmc ${mmcdev}:3 0x46000000 dtb
 run chipa_set_linux
-setenv bootargs "earlyprintk console=ttyS0,115200 debug rootwait earlycon=sbi root=/dev/mmcblk1p4"
+setenv bootargs "earlyprintk console=ttyS0,115200 debug rootwait earlycon=sbi $rootdev"
 booti 0xa0000000 - 0x46000000