> /* Ten finger copy */
> 
> pci_map_mem: memory mapped at c0000000-c0000fff
> pci_map_int: no mapping for pin A at irq10
> CACHE TEST FAILED: host wrote 1, ncr read -1.
> CACHE TEST FAILED: ncr wrote 2, host read 1.
> CACHE TEST FAILED: ncr wrote 2, read back -1.
> CACHE INCORRECTLY CONFIGURED.
> /* Hangs  */

I had the same experience with this motherboard.(AIR 486 VP)

Try to add the line
  options PCI_PMEM_START="0x80000000"
in your config file, and re-compile your kernel.

I don't know why, but it works for me.
---
Nobuhiko HONDA
System LSI Laboratory, Mitsubishi Electric Corp.