fixed minor bug in APG bridge code. Use AGP_APERTURE_SIZE instead of IOMMU_APERTURE_SIZE

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1553 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 7 insertions, 6 deletions

diff --git a/src/southbridge/amd/amd8151/amd8151_agp3.c b/src/southbridge/amd/amd8151/amd8151_agp3.c
index a4d4dce1a1..b58f7926d4 100644
--- a/src/southbridge/amd/amd8151/amd8151_agp3.c
+++ b/src/southbridge/amd/amd8151/amd8151_agp3.c
@@ -12,15 +12,17 @@
 static void agp3bridge_init(device_t dev)
 {
 	uint8_t byte;
-	
+
+	/* Enable BM and IO */
 	byte = pci_read_config32(dev, 0x04);
         byte |= 0x07;
         pci_write_config8(dev, 0x04, byte);
- 
-        byte = pci_read_config32(dev, 0xce);
+
+	/* Eable VGA/ISA decoding */
+        byte = pci_read_config32(dev, 0x3e);
         byte |= 3<<2;
-        pci_write_config8(dev, 0xce, byte);
-	
+        pci_write_config8(dev, 0x3e, byte);
+
 	return;
 }
 
@@ -38,7 +40,6 @@ static struct pci_driver agp3bridge_driver __pci_driver = {
         .device = 0x7455, // AGP Bridge
 };
 
-
 static void agp3dev_enable(device_t dev)
 {
 	uint32_t value;