diff options
| -rw-r--r-- | src/northbridge/amd/amdk8/raminit.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdk8/raminit.c b/src/northbridge/amd/amdk8/raminit.c index 02b212ed69..006ab196df 100644 --- a/src/northbridge/amd/amdk8/raminit.c +++ b/src/northbridge/amd/amdk8/raminit.c @@ -177,11 +177,26 @@ static void setup_resource_map(const unsigned int *register_values, int max) { int i; + + unsigned int amd8111_link_nr; + + print_debug("setting up resource map....\r\n"); + /* + * determine the HT link number the southbridge is connected to + * bits 8-9 of the Unit ID register + */ + amd8111_link_nr = (pci_read_config32(PCI_DEV(0, 0x18, 0), 0x64) & 0x00000300) >> 8; + print_debug(" AMD8111 southbridge is connected to HT link "); + print_debug_hex32(amd8111_link_nr); + print_debug("\r\n"); + + print_debug("setting up resource map....\r\n"); for(i = 0; i < max; i += 3) { device_t dev; unsigned where; unsigned long reg; + #if 0 print_debug_hex32(register_values[i]); print_debug(" <-"); @@ -193,6 +208,19 @@ static void setup_resource_map(const unsigned int *register_values, int max) reg = pci_read_config32(dev, where); reg &= register_values[i+1]; reg |= register_values[i+2]; + + /* + * set correct HT link to the southbridge + * otherwise we cut of the acces to the flash we are from + * + */ + if (where == 0xBC) + reg |= amd8111_link_nr << 4; + if (where == 0xC4) + reg |= amd8111_link_nr << 4; + if (where == 0xE0) + reg |= amd8111_link_nr << 8; + pci_write_config32(dev, where, reg); #if 0 reg = pci_read_config32(register_values[i]); |