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authorVladimir Serbinenko <phcoder@gmail.com>2014-08-10 23:53:42 +0200
committerVladimir Serbinenko <phcoder@gmail.com>2014-08-11 19:10:29 +0200
commitf3155d205e6c78b09e4a69af89aa4853bf6a9f6d (patch)
tree4059132768b896c4d3ff07834758fb80fcb9a910 /src/northbridge
parente6df041b8bf8e37debc0d6a871080b64eea7a372 (diff)
downloadcoreboot-f3155d205e6c78b09e4a69af89aa4853bf6a9f6d.tar.xz
gm45: Declare brightness variables for ACPI use.
Change-Id: I23a088919aaac16066e5dd8300a081a8095a93f0 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/6589 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/northbridge')
-rw-r--r--src/northbridge/intel/gm45/acpi/igd.asl16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/northbridge/intel/gm45/acpi/igd.asl b/src/northbridge/intel/gm45/acpi/igd.asl
index 02092fa411..f44ce800f0 100644
--- a/src/northbridge/intel/gm45/acpi/igd.asl
+++ b/src/northbridge/intel/gm45/acpi/igd.asl
@@ -23,6 +23,22 @@ Device (GFX0)
{
Name (_ADR, 0x00020000)
+ OperationRegion (GFXC, PCI_Config, 0x00, 0x0100)
+ Field (GFXC, DWordAcc, NoLock, Preserve)
+ {
+ Offset (0x10),
+ BAR0, 64
+ }
+
+ OperationRegion (GFRG, SystemMemory, And (BAR0, 0xfffffffffffffff0), 0x400000)
+ Field (GFRG, DWordAcc, NoLock, Preserve)
+ {
+ Offset (0x61250),
+ CR1, 32,
+ BCLV, 16,
+ BCLM, 16,
+ }
+
/* Display Output Switching */
Method (_DOS, 1)
{