I can only give you half an answer. The BDI2000 config file lets you setup TLB entries. For my 440GX board I have the following in the [INIT] section of the config file:

WTLB 0xe0000095 0x1400001B

This maps the 32-bit virtual address 0xe0000000 to the 36-bit physical address 0x140000000. A similar incantation should map the PCIX registers into the 32-bit address space, but I don't remember the format of the fields in the command...

jeff

Jeff Stevens wrote:

Is there any way to access the PCIX Registers using the BDI2000? I accidentally set the CPU wait bit for PCIX1, and now it won't boot. If I could access the PCIX registers (located and 0x91EC80044) I could clear the wait bit, and start U-Boot. However, it looks like the BDI2000 can only access 32-bit addresses, so when I have it dump 0x91ec80044 it dumps 0x1ec80044 instead. Is there an indirect access register set?

Thanks, Jeff Stevens

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