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Diffstat (limited to 'src/drivers/intel/gma/acpi/gma.asl')
-rw-r--r--src/drivers/intel/gma/acpi/gma.asl30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/drivers/intel/gma/acpi/gma.asl b/src/drivers/intel/gma/acpi/gma.asl
new file mode 100644
index 0000000000..57563933ce
--- /dev/null
+++ b/src/drivers/intel/gma/acpi/gma.asl
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+
+Device (GFX0)
+{
+ Name (_ADR, 0x00020000)
+
+ OperationRegion (GFXC, PCI_Config, 0x00, 0x0100)
+ Field (GFXC, DWordAcc, NoLock, Preserve)
+ {
+ Offset (0x10),
+ BAR0, 64,
+ Offset (0xe4),
+ ASLE, 32,
+ Offset (0xfc),
+ ASLS, 32,
+ }
+
+ OperationRegion (GFRG, SystemMemory, And (BAR0, 0xfffffffffffffff0), 0x400000)
+ Field (GFRG, DWordAcc, NoLock, Preserve)
+ {
+ Offset (CONFIG_INTEL_GMA_BCLV_OFFSET),
+ BCLV, CONFIG_INTEL_GMA_BCLV_WIDTH,
+ Offset (CONFIG_INTEL_GMA_BCLM_OFFSET),
+ BCLM, CONFIG_INTEL_GMA_BCLM_WIDTH
+ }
+
+#include "configure_brightness_levels.asl"
+#include "common.asl"
+}