From: Nobuhiro Iwamatsu Date: Tue, 8 Nov 2011 06:40:08 +0000 (+0900) Subject: sh: Add updating method of SPI ROM to README of sh7757lcr X-Git-Tag: v2011.12-rc1~97 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=c67ce954331d70ff5a9412b35333194014600713;p=u-boot sh: Add updating method of SPI ROM to README of sh7757lcr Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Nobuhiro Iwamatsu --- diff --git a/doc/README.sh7757lcr b/doc/README.sh7757lcr index 49fea5057b..109f715cc0 100644 --- a/doc/README.sh7757lcr +++ b/doc/README.sh7757lcr @@ -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 +