Commit c67ce954 authored by Nobuhiro Iwamatsu's avatar Nobuhiro Iwamatsu Committed by Nobuhiro Iwamatsu

sh: Add updating method of SPI ROM to README of sh7757lcr

Signed-off-by: default avatarNobuhiro Iwamatsu <>
Signed-off-by: default avatarNobuhiro Iwamatsu <>
parent 25a028bb
......@@ -61,3 +61,17 @@ You can write MAC address to SPI ROM.
ETHERC ch1 = 00:00:87:6c:21:81
GETHERC ch0 = 00:00:87:6c:21:82
GETHERC ch1 = 00:00:87:6c:21:83
Update SPI ROM:
1. Copy u-boot image to RAM area.
2. Probe SPI device.
=> sf probe 0
8192 KiB M25P64 at 0:0 is now current device
3. Erase SPI ROM.
=> sf erase 0 80000
4. Write u-boot image to SPI ROM.
=> sf write 0x89000000 0 80000
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