diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/amdk8/setup_resource_map.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/northbridge/amd/amdk8/setup_resource_map.c b/src/northbridge/amd/amdk8/setup_resource_map.c index 82622cdc4c..e5fda596e7 100644 --- a/src/northbridge/amd/amdk8/setup_resource_map.c +++ b/src/northbridge/amd/amdk8/setup_resource_map.c @@ -15,7 +15,8 @@ static void setup_resource_map_offset(const unsigned int *register_values, int m #endif dev = (register_values[i] & ~0xfff) + offset_pci_dev; where = register_values[i] & 0xfff; - reg = pci_read_config32(dev, where); + if (register_values[i+1]) + reg = pci_read_config32(dev, where); reg &= register_values[i+1]; reg |= register_values[i+2] + offset_io_base; pci_write_config32(dev, where, reg); @@ -60,7 +61,8 @@ static void setup_resource_map_x_offset(const unsigned int *register_values, int unsigned long reg; dev = (register_values[i+1] & ~0xfff) + offset_pci_dev; where = register_values[i+1] & 0xfff; - reg = pci_read_config32(dev, where); + if (register_values[i+2]) + reg = pci_read_config32(dev, where); reg &= register_values[i+2]; reg |= register_values[i+3]; pci_write_config32(dev, where, reg); @@ -71,7 +73,8 @@ static void setup_resource_map_x_offset(const unsigned int *register_values, int unsigned where; unsigned reg; where = register_values[i+1] + offset_io_base; - reg = inb(where); + if (register_values[i+2]) + reg = inb(where); reg &= register_values[i+2]; reg |= register_values[i+3]; outb(reg, where); @@ -82,7 +85,8 @@ static void setup_resource_map_x_offset(const unsigned int *register_values, int unsigned where; unsigned long reg; where = register_values[i+1] + offset_io_base; - reg = inl(where); + if (register_values[i+2]) + reg = inl(where); reg &= register_values[i+2]; reg |= register_values[i+3]; outl(reg, where); |