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author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2012-11-04 15:53:22 +0000 |
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committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2012-12-20 13:20:17 +0900 |
commit | 1a2621bab89c3fd6bd09a601b0b94dc26e238d7c (patch) | |
tree | 8ad313a5c351c71d833c80daeb3b923c3ef9b98b /doc | |
parent | 095728803eedfce850a2f85828f79500cb09979e (diff) | |
download | u-boot-imx-1a2621bab89c3fd6bd09a601b0b94dc26e238d7c.zip u-boot-imx-1a2621bab89c3fd6bd09a601b0b94dc26e238d7c.tar.gz u-boot-imx-1a2621bab89c3fd6bd09a601b0b94dc26e238d7c.tar.bz2 |
sh: add support for sh7752evb board
The R0P7752C00000RZ board has SH7752, 512MB DDR3-SDRAM, SPI ROM,
Gigabit Ethernet, and eMMC.
This patch supports the following functions:
- 512MB DDR3-SDRAM, SCIF4, SPI ROM, Gigabit Ethernet, eMMC
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/README.sh7752evb | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/doc/README.sh7752evb b/doc/README.sh7752evb new file mode 100644 index 0000000..c1fb54c --- /dev/null +++ b/doc/README.sh7752evb @@ -0,0 +1,67 @@ +======================================== +Renesas R0P7752C00000RZ board +======================================== + +This board specification: +========================= + +The R0P7752C00000RZ(board config name:sh7752evb) has the following device: + + - SH7752 (SH-4A) + - DDR3-SDRAM 512MB + - SPI ROM 8MB + - Gigabit Ethernet controllers + - eMMC 4GB + + +Configuration for This board: +============================= + +You can select the configuration as follows: + + - make sh7752evb_config + + +This board specific command: +============================ + +This board has the following its specific command: + + - write_mac + + +1. write_mac + +You can write MAC address to SPI ROM. + + Usage 1) Write MAC address + + write_mac [GETHERC ch0] [GETHERC ch1] + + For example) + => write_mac 74:90:50:00:33:9e 74:90:50:00:33:9f + *) We have to input the command as a single line + (without carriage return) + *) We have to reset after input the command. + + Usage 2) Show current data + + write_mac + + For example) + => write_mac + GETHERC ch0 = 74:90:50:00:33:9e + GETHERC ch1 = 74:90:50:00:33:9f + + +Update SPI ROM: +============================ + +1. Copy u-boot image to RAM area. +2. Probe SPI device. + => sf probe 0 + SF: Detected MX25L6405D with page size 64KiB, total 8 MiB +3. Erase SPI ROM. + => sf erase 0 80000 +4. Write u-boot image to SPI ROM. + => sf write 0x48000000 0 80000 |