diff options
Diffstat (limited to 'src/northbridge/amd/amdfam10/misc_control.c')
| -rw-r--r-- | src/northbridge/amd/amdfam10/misc_control.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/misc_control.c b/src/northbridge/amd/amdfam10/misc_control.c index 0b312b1c95..4c65bca79f 100644 --- a/src/northbridge/amd/amdfam10/misc_control.c +++ b/src/northbridge/amd/amdfam10/misc_control.c @@ -75,6 +75,7 @@ static void mcf3_read_resources(device_t dev) static void set_agp_aperture(device_t dev, uint32_t pci_id) { + uint32_t dword; struct resource *resource; resource = probe_resource(dev, 0x94); @@ -105,6 +106,11 @@ static void set_agp_aperture(device_t dev, uint32_t pci_id) /* Report the resource has been stored... */ report_resource_stored(pdev, resource, " <gart>"); + + /* Errata 540 workaround */ + dword = pci_read_config32(pdev, 0x90); + dword |= 0x1 << 6; /* DisGartTblWlkPrb = 0x1 */ + pci_write_config32(pdev, 0x90, dword); } } } |