Eric,
I found in amdk8_scan_root_bus in northbridge/amd/amdk8/northbridge.c
You put
/* Unmap all of the other pci busses */
for(reg = 0xe0; reg <= 0xec; reg += 4) {
f1_write_config32(reg, 0);
}
Why you need to clear that? After you clear that, I can not see the 8151 and
AGP in s2885.
PS:
I have reversed the scan sequence to make sure HT scan 8111 at first and
then 8151.
Regards
Yinghai Lu