[coreboot-gerrit] Change in coreboot[master]: drivers/genesyslogic/gl9755: Disable the debug mode of short circuit ...

[Ben Chuang (Code Review)]

Ben Chuang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/51000 )

Change subject: drivers/genesyslogic/gl9755: Disable the debug mode of short circuit protection
......................................................................

drivers/genesyslogic/gl9755: Disable the debug mode of short circuit protection

In order for short circuit protection and over current protection to work, the
debug mode needs to be turned off.

Signed-off-by: Ben Chuang 
Change-Id: Iacfa3c668a52d1bae15fe82f1c614d0ebd93a957
---
M src/drivers/genesyslogic/gl9755/gl9755.c
M src/drivers/genesyslogic/gl9755/gl9755.h
2 files changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/51000/1

diff --git a/src/drivers/genesyslogic/gl9755/gl9755.c b/src/drivers/genesyslogic/gl9755/gl9755.c
index 6dfac47..a5778e3 100644
--- a/src/drivers/genesyslogic/gl9755/gl9755.c
+++ b/src/drivers/genesyslogic/gl9755/gl9755.c
@@ -28,6 +28,9 @@
    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 aa20a52..bc347fb 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 */