mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-27 05:23:34 +00:00
68 lines
1.3 KiB
Text
68 lines
1.3 KiB
Text
|
========================================
|
||
|
|
Renesas SH7753 EVB board
|
||
|
|
========================================
|
||
|
|
|
||
|
|
This board specification:
|
||
|
|
=========================
|
||
|
|
|
||
|
|
The SH7753 EVB (board config name:sh7753evb) has the following device:
|
||
|
|
|
||
|
|
- SH7753 (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 sh7753evb_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
|