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-rw-r--r--src/southbridge/amd/rs780/rs780_gfx.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/southbridge/amd/rs780/rs780_gfx.c b/src/southbridge/amd/rs780/rs780_gfx.c
index 7208acd864..1667775658 100644
--- a/src/southbridge/amd/rs780/rs780_gfx.c
+++ b/src/southbridge/amd/rs780/rs780_gfx.c
@@ -304,7 +304,7 @@ static void internal_gfx_pci_dev_init(struct device *dev)
volatile u32 * pointer;
int i;
u16 command;
- u32 value;
+ u32 value, sblink;
u16 deviceid, vendorid;
device_t nb_dev = dev_find_slot(0, 0);
device_t k8_f2 = dev_find_slot(0, PCI_DEVFN(0x18, 2));
@@ -453,9 +453,15 @@ static void internal_gfx_pci_dev_init(struct device *dev)
vgainfo.usMinNBVoltage = 0;
vgainfo.usBootUpNBVoltage = 0x1a;
+ /* Get SBLink value (HyperTransport I/O Hub Link ID). */
+ value = pci_read_config32(k8_f0, 0x64);
+ sblink = (value >> 8) & 0x3;
+ printk(BIOS_DEBUG, "SBLINK = %d.\n", sblink);
+
+ /* HT speed */
value = pci_read_config32(nb_dev, 0xd0);
printk(BIOS_DEBUG, "NB HT speed = %x.\n", value);
- value = pci_read_config32(k8_f0, 0x88);
+ value = pci_read_config32(k8_f0, 0x88 + (sblink * 0x20));
printk(BIOS_DEBUG, "CPU HT speed = %x.\n", value);
vgainfo.ulHTLinkFreq = 100 * 100; /* set HT speed. */