From 1a2621bab89c3fd6bd09a601b0b94dc26e238d7c Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Sun, 4 Nov 2012 15:53:22 +0000 Subject: 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 Signed-off-by: Nobuhiro Iwamatsu --- doc/README.sh7752evb | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 doc/README.sh7752evb (limited to 'doc') diff --git a/doc/README.sh7752evb b/doc/README.sh7752evb new file mode 100644 index 0000000000..c1fb54cdcd --- /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 -- cgit v1.2.1