Now I can pass DDR SDRAM init process. But still there are some problem, After copying linuxbios to ram, when jmp *%edi, MB reset. The key point to make it pass is set Reg 0xC7 = 08, then reset to make it effective. If letting sdram work correctly ,it looks like some work still to be done.
zhu
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On Fri, 29 Oct 2004, zhu shi song wrote:
Now I can pass DDR SDRAM init process. But still there are some problem, After copying linuxbios to ram, when jmp *%edi, MB reset.
So dram is still wrong :-(
sorry
ron