In message 570161.51367.qm@web7707.mail.in.yahoo.com you wrote:
My board is close to PPC405 Walnut board. But there is slight modification in the FLASH chip and SDRAM.
close is not close enough. You have to do your own port.
-> FLASH chip on my custom board is AT49BV320C (flash interface 16Bits). How do I add this ATMEL chip driver to the u-boot.
Is it CFI conform?
-> SDRAM controller not read from EEPROM , i want to hardcode the values of the SDRAM using the sdram_init (i.e sdram.c) function instead of the spd_sdram.c file. Do i need to change the function implimentation init_func_ram() in the board.c file.
init_func_ram() is a static function in "lib_ppc/board.c" which you should keep your fingers off. it is not affected by a new board port.
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Best regards,
Wolfgang Denk