[coreboot-gerrit] Change in coreboot[master]: soc/intel/cannonlake: Add GCFG method to GPIO ASL.

[Tim Wawrzynczak (Code Review)]

Tim Wawrzynczak has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/34179 )

Change subject: soc/intel/cannonlake: Add GCFG method to GPIO ASL.
......................................................................

soc/intel/cannonlake: Add GCFG method to GPIO ASL.

The new method returns the address of a GPIO community's
MISCCFG register.

Change-Id: I098ee08573eb4f8a45d9b5ae84f2d85ce525c9b8
Signed-off-by: Tim Wawrzynczak 
---
M src/soc/intel/cannonlake/acpi/gpio.asl
1 file changed, 37 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/34179/1

diff --git a/src/soc/intel/cannonlake/acpi/gpio.asl b/src/soc/intel/cannonlake/acpi/gpio.asl
index 9df1cf7..71a11b1 100644
--- a/src/soc/intel/cannonlake/acpi/gpio.asl
+++ b/src/soc/intel/cannonlake/acpi/gpio.asl
@@ -107,3 +107,40 @@
    Add (Local2, PAD_CFG_BASE, Local2)
    Return (Add (Local2, Multiply (Local1, 16)))
 }
+
+/*
+ * Get GPIO Community MISCCFG Address
+ * Arg0 - GPIO Community Number
+ */
+Method (GCFG, 1, NotSerialized)
+{
+	/* GPIO Community 0 */
+	If (LEqual (Arg0, 0))
+	{
+		Store (PID_GPIOCOM0, Local0)
+	}
+	/* GPIO Community 1 */
+	If (LEqual (Arg0, 1))
+	{
+		Store (PID_GPIOCOM1, Local0)
+	}
+	/* GPIO Community 2 */
+	If (LEqual (Arg0, 2))
+	{
+		Store (PID_GPIOCOM2, Local0)
+	}
+	/* GPIO Community 3 */
+	If (LEqual (Arg0, 3))
+	{
+		Store (PID_GPIOCOM3, Local0)
+	}
+	/* GPIO Community 4*/
+	If (LEqual (Arg0, 4))
+	{
+		Store (PID_GPIOCOM4, Local0)
+	}
+
+	Store (PCRB (Local0), Local1)
+	Add (Local1, 16, Local1)
+	Return (Local1)
+}