[U-Boot] [PATCH] sh: Add updating method of SPI ROM to README of sh7757lcr
Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com --- doc/README.sh7757lcr | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/doc/README.sh7757lcr b/doc/README.sh7757lcr index 49fea50..78a9b8f 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 +
Applied, thanks.
2011/11/8 Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com:
Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com
doc/README.sh7757lcr | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/doc/README.sh7757lcr b/doc/README.sh7757lcr index 49fea50..78a9b8f 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
-- 1.7.7
participants (2)
-
Nobuhiro Iwamatsu -
Nobuhiro Iwamatsu