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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2011-11-08 15:40:08 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2011-12-02 13:46:21 +0900
commitc67ce954331d70ff5a9412b35333194014600713 (patch)
tree7c2805c6c6b2a36fc48a9aa1fbe11ddb78fb9dce /doc/README.sh7757lcr
parent25a028bbc75e065dd28412cde26080c2016795ae (diff)
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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.sh7757lcr14
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
+