Dear "nanda",
In message 20091220172434.48360.qmail@f5mail-237-207.rediffmail.com you wrote:
Our development needs NAND to be implemented from u-boot level. And our booting from FLASH depends of NOR flash using the GPCM.
We are facing in the initialization of the nand_init, a crash in the dummy write during the UPM program based on the UPM mode of freescale MPC8323 in the code below:
void UPMA_prog() { int i=0; // OP set to write to RAM array command *(int *)(MAMR) = 0x10000000; // Write word to RAM arrays for (i=0;i
There is no such code in mainline U-Boot. I recommend you look for existing (and working) code examples when porting U-Boot to your hardware. Note that you should use I/O accessor functions instead of plain register writes.
Best regards,
Wolfgang Denk