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-rw-r--r--src/southbridge/via/vt8237r/vt8237r.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/southbridge/via/vt8237r/vt8237r.c b/src/southbridge/via/vt8237r/vt8237r.c
index 5ba3815145..586df66b8e 100644
--- a/src/southbridge/via/vt8237r/vt8237r.c
+++ b/src/southbridge/via/vt8237r/vt8237r.c
@@ -66,11 +66,21 @@ void dump_south(device_t dev)
static void vt8237r_enable(struct device *dev)
{
+ u16 vid, did;
struct southbridge_via_vt8237r_config *sb =
(struct southbridge_via_vt8237r_config *)dev->chip_info;
- pci_write_config8(dev, 0x50, sb->fn_ctrl_lo);
- pci_write_config8(dev, 0x51, sb->fn_ctrl_hi);
+ if (dev->path.type == DEVICE_PATH_PCI) {
+ vid = pci_read_config16(dev, PCI_VENDOR_ID);
+ did = pci_read_config16(dev, PCI_DEVICE_ID);
+ if (vid == PCI_VENDOR_ID_VIA &&
+ (did == PCI_DEVICE_ID_VIA_VT8237R_LPC ||
+ did == PCI_DEVICE_ID_VIA_VT8237A_LPC ||
+ did == PCI_DEVICE_ID_VIA_VT8237S_LPC)) {
+ pci_write_config8(dev, 0x50, sb->fn_ctrl_lo);
+ pci_write_config8(dev, 0x51, sb->fn_ctrl_hi);
+ }
+ }
/* TODO: If SATA is disabled, move IDE to fn0 to conform PCI specs. */
}