Change in coreboot[master]: soc/intel/cnl: add Kconfig values for GMA backlight registers

[Michael Niewöhner (Code Review)]

Michael Niewöhner has submitted this change. ( https://review.coreboot.org/c/coreboot/+/48772 )

Change subject: soc/intel/cnl: add Kconfig values for GMA backlight registers
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soc/intel/cnl: add Kconfig values for GMA backlight registers

Add the right register values for backlight control to CNL's Kconfig.
To make iasl happy about the reversed register order, split the field.

Change-Id: I05a06cc42397c202df9c9a1ebc72fb10da3b10ec
Signed-off-by: Michael Niewöhner 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48772
Tested-by: build bot (Jenkins) 
Reviewed-by: Nico Huber 
Reviewed-by: Angel Pons 
---
M src/drivers/intel/gma/acpi/gma.asl
M src/soc/intel/cannonlake/Kconfig
2 files changed, 15 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Nico Huber: Looks good to me, approved
  Angel Pons: Looks good to me, approved

diff --git a/src/drivers/intel/gma/acpi/gma.asl b/src/drivers/intel/gma/acpi/gma.asl
index c4ee2db..03b0491 100644
--- a/src/drivers/intel/gma/acpi/gma.asl
+++ b/src/drivers/intel/gma/acpi/gma.asl
@@ -20,6 +20,9 @@
    {
    	Offset (CONFIG_INTEL_GMA_BCLV_OFFSET),
    	BCLV, CONFIG_INTEL_GMA_BCLV_WIDTH,
+	}
+	Field (GFRG, DWordAcc, NoLock, Preserve)
+	{
    	Offset (CONFIG_INTEL_GMA_BCLM_OFFSET),
    	BCLM, CONFIG_INTEL_GMA_BCLM_WIDTH
    }
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index ea4fadb..a86c4df 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -366,4 +366,16 @@
    hex
    default 0x40000 # 256KB

+config INTEL_GMA_BCLV_OFFSET
+	default 0xc8258
+
+config INTEL_GMA_BCLV_WIDTH
+	default 32
+
+config INTEL_GMA_BCLM_OFFSET
+	default 0xc8254
+
+config INTEL_GMA_BCLM_WIDTH
+	default 32
+
 endif