diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge/early_init.c')
| -rw-r--r-- | src/northbridge/intel/sandybridge/early_init.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/early_init.c b/src/northbridge/intel/sandybridge/early_init.c index e77cf22596..7b60ec7153 100644 --- a/src/northbridge/intel/sandybridge/early_init.c +++ b/src/northbridge/intel/sandybridge/early_init.c @@ -155,6 +155,7 @@ static void sandybridge_setup_graphics(void) void sandybridge_early_initialization(int chipset_type) { u32 capid0_a; + u32 deven; u8 reg8; /* Device ID Override Enable should be done very early */ @@ -172,8 +173,9 @@ void sandybridge_early_initialization(int chipset_type) /* Setup all BARs required for early PCIe and raminit */ sandybridge_setup_bars(); - /* Device Enable */ - pci_write_config32(PCI_DEV(0, 0, 0), DEVEN, DEVEN_HOST | DEVEN_IGD); + /* Device Enable, don't touch PEG bits */ + deven = pci_read_config32(PCI_DEV(0, 0, 0), DEVEN) | DEVEN_IGD; + pci_write_config32(PCI_DEV(0, 0, 0), DEVEN, deven); sandybridge_setup_graphics(); } |