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--- en:bpi-r3mini:start [2024/04/10 09:44] – [Software] frank
+++ en:bpi-r3mini:start [2024/04/21 19:16] – [network support] frank
@@ Line 147: / Line 147: @@
 This is fixed in my 2024-04 uboot by always run autonegotiation code (genphy code seems not working here).
+Writing firmware to emmc boot1:
+<code>
+usb start
+mmc partconf 0 1 2 2
+mmc erase 0x0 0x120
+load usb 0:1 $loadaddr EthMD32.dm.bin
+mmc write $loadaddr 0x0 0x20
+load usb 0:1 $loadaddr EthMD32.DSP.bin
+mmc write $loadaddr 0x20 0x100
+mmc partconf 0 1 1 0
+</code>
+daniel wrote it here: https://forum.banana-pi.org/t/bpi-r3-mini-boot-from-nand-fails/17340/27
+Linux way:
+<code>
+echo 0 > /sys/block/mmcblk0boot1/force_ro
+dd if=/lib/firmware/airoha/EthMD32.dm.bin of=/dev/mmcblk0boot1
+dd if=/lib/firmware/airoha/EthMD32.DSP.bin bs=16384 seek=1 of=/dev/mmcblk0boot1
+</code>
+<hidden>
+checking content of boot1 is same as concatenated firmware-files:
+<code>
+# cat /dev/mmcblk0boot1 > airoha_boot1.bin
+# cat /mnt/r3mini/EthMD32.dm.bin /mnt/r3mini/EthMD32.DSP.bin > airoha_usb.bin
+# ls -l airoha_usb.bin
+-rw-r--r-- 1 root root 147456 Jan  1 00:03 airoha_usb.bin
+# ls -l airoha_boot1.bin
+-rw-r--r-- 1 root root 4194304 Jan  1 00:00 airoha_boot1.bin
+# truncate --size=147456 airoha_boot1.bin
+# ls -l airoha_boot1.bin
+-rw-r--r-- 1 root root 147456 Jan  1 00:05 airoha_boot1.bin
+# diff -u airoha_boot1.bin airoha_usb.bin
+#
+</code>
+</hidden>
 ==== Fix bricked boot ====