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-rw-r--r--src/southbridge/amd/rs780/gfx.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/southbridge/amd/rs780/gfx.c b/src/southbridge/amd/rs780/gfx.c
index d7c11e4003..973e9c017f 100644
--- a/src/southbridge/amd/rs780/gfx.c
+++ b/src/southbridge/amd/rs780/gfx.c
@@ -661,13 +661,15 @@ static void rs780_internal_gfx_enable(device_t dev)
printk(BIOS_DEBUG, "rs780_internal_gfx_enable dev = 0x%p, nb_dev = 0x%p.\n", dev, nb_dev);
- sysmem = rdmsr(0xc001001a);
- printk(BIOS_DEBUG, "sysmem = %x_%x\n", sysmem.hi, sysmem.lo);
-
/* The system top memory in 780. */
+ sysmem = rdmsr(0xc001001a);
+ printk(BIOS_DEBUG, "Sysmem TOM = %x_%x\n", sysmem.hi, sysmem.lo);
pci_write_config32(nb_dev, 0x90, sysmem.lo);
- htiu_write_index(nb_dev, 0x30, 0);
- htiu_write_index(nb_dev, 0x31, 0);
+
+ sysmem = rdmsr(0xc001001D);
+ printk(BIOS_DEBUG, "Sysmem TOM2 = %x_%x\n", sysmem.hi, sysmem.lo);
+ htiu_write_index(nb_dev, 0x31, sysmem.hi);
+ htiu_write_index(nb_dev, 0x30, sysmem.lo | 1);
/* Disable external GFX and enable internal GFX. */
l_dword = pci_read_config32(nb_dev, 0x8c);