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| author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2011-11-08 15:40:08 +0900 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2011-12-02 13:46:21 +0900 |
| commit | c67ce954331d70ff5a9412b35333194014600713 (patch) | |
| tree | 7c2805c6c6b2a36fc48a9aa1fbe11ddb78fb9dce /doc/README.sh7757lcr | |
| parent | 25a028bbc75e065dd28412cde26080c2016795ae (diff) | |
| download | u-boot-imx-c67ce954331d70ff5a9412b35333194014600713.zip u-boot-imx-c67ce954331d70ff5a9412b35333194014600713.tar.gz u-boot-imx-c67ce954331d70ff5a9412b35333194014600713.tar.bz2 | |
sh: Add updating method of SPI ROM to README of sh7757lcr
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'doc/README.sh7757lcr')
| -rw-r--r-- | doc/README.sh7757lcr | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/README.sh7757lcr b/doc/README.sh7757lcr index 49fea50..109f715 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 + |