README.sh7752evb 1.3 KB

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  1. ========================================
  2. Renesas R0P7752C00000RZ board
  3. ========================================
  4. This board specification:
  5. =========================
  6. The R0P7752C00000RZ(board config name:sh7752evb) has the following device:
  7. - SH7752 (SH-4A)
  8. - DDR3-SDRAM 512MB
  9. - SPI ROM 8MB
  10. - Gigabit Ethernet controllers
  11. - eMMC 4GB
  12. Configuration for This board:
  13. =============================
  14. You can select the configuration as follows:
  15. - make sh7752evb_config
  16. This board specific command:
  17. ============================
  18. This board has the following its specific command:
  19. - write_mac
  20. 1. write_mac
  21. You can write MAC address to SPI ROM.
  22. Usage 1) Write MAC address
  23. write_mac [GETHERC ch0] [GETHERC ch1]
  24. For example)
  25. => write_mac 74:90:50:00:33:9e 74:90:50:00:33:9f
  26. *) We have to input the command as a single line
  27. (without carriage return)
  28. *) We have to reset after input the command.
  29. Usage 2) Show current data
  30. write_mac
  31. For example)
  32. => write_mac
  33. GETHERC ch0 = 74:90:50:00:33:9e
  34. GETHERC ch1 = 74:90:50:00:33:9f
  35. Update SPI ROM:
  36. ============================
  37. 1. Copy u-boot image to RAM area.
  38. 2. Probe SPI device.
  39. => sf probe 0
  40. SF: Detected MX25L6405D with page size 64KiB, total 8 MiB
  41. 3. Erase SPI ROM.
  42. => sf erase 0 80000
  43. 4. Write u-boot image to SPI ROM.
  44. => sf write 0x48000000 0 80000