diff options
Diffstat (limited to 'src/drivers/genesyslogic')
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/gl9755.c | 3 | ||||
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/gl9755.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/drivers/genesyslogic/gl9755/gl9755.c b/src/drivers/genesyslogic/gl9755/gl9755.c index a5778e392433..44342c6632d0 100644 --- a/src/drivers/genesyslogic/gl9755/gl9755.c +++ b/src/drivers/genesyslogic/gl9755/gl9755.c @@ -28,6 +28,9 @@ static void gl9755_enable(struct device *dev) reg |= CFG2_LAT_L1_64US; pci_write_config32(dev, CFG2, reg); + /* Disable ASPM L0s support */ + pci_and_config32(dev, CFG2, ~CFG2_L0S_SUPPORT); + /* Turn off debug mode to enable SCP/OCP */ pci_and_config32(dev, CFG3, ~SCP_DEBUG); diff --git a/src/drivers/genesyslogic/gl9755/gl9755.h b/src/drivers/genesyslogic/gl9755/gl9755.h index bc347fb16b3c..4d3d7e1b4a68 100644 --- a/src/drivers/genesyslogic/gl9755/gl9755.h +++ b/src/drivers/genesyslogic/gl9755/gl9755.h @@ -10,6 +10,7 @@ #define CFG2 0x48 #define CFG2_LAT_L1_MASK ((0x7 << 12) | (0x7 << 3)) #define CFG2_LAT_L1_64US ((0x6 << 12) | (0x6 << 3)) +#define CFG2_L0S_SUPPORT (0x1 << 6) #define LTR 0x5C #define SNOOP_VALUE 0x25 #define SNOOP_SCALE (0x3 << 10) |