diff options
| author | Ben Chuang <benchuanggli@gmail.com> | 2021-02-05 17:33:38 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-05-05 11:45:06 +0000 |
| commit | 60243501f23cdc512f6e4c1a4277b6e0c355aa48 (patch) | |
| tree | 5419fa68f917f4c3aa463d8bbeee81a96f531357 /src/drivers | |
| parent | 24f7d2e80f51b68534b3785dbd5420f2dd0f1f38 (diff) | |
drivers/genesyslogic/gl9755: Disable debug mode to enable circuit protections
In order for short circuit protection and over current protection to work, the
debug mode needs to be turned off.
BUG=b:185749961
TEST=build and test
Signed-off-by: Ben Chuang <benchuanggli@gmail.com>
Change-Id: Iacfa3c668a52d1bae15fe82f1c614d0ebd93a957
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51000
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/gl9755.c | 3 | ||||
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/gl9755.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/src/drivers/genesyslogic/gl9755/gl9755.c b/src/drivers/genesyslogic/gl9755/gl9755.c index 6dfac47293..a5778e3924 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); + /* Turn off debug mode to enable SCP/OCP */ + pci_and_config32(dev, CFG3, ~SCP_DEBUG); + /* Set Vendor Config to be non-configurable */ pci_and_config32(dev, CFG, ~CFG_EN); } diff --git a/src/drivers/genesyslogic/gl9755/gl9755.h b/src/drivers/genesyslogic/gl9755/gl9755.h index aa20a527f2..bc347fb16b 100644 --- a/src/drivers/genesyslogic/gl9755/gl9755.h +++ b/src/drivers/genesyslogic/gl9755/gl9755.h @@ -15,5 +15,7 @@ #define SNOOP_SCALE (0x3 << 10) #define NO_SNOOP_VALUE (0x25 << 16) #define NO_SNOOP_SCALE (0x3 << 26) +#define CFG3 0x70 +#define SCP_DEBUG (0x1 << 19) #endif /* DRIVERS_GENESYSLOGIC_GL9755_H */ |