diff options
author | Vladimir Serbinenko <phcoder@gmail.com> | 2013-11-12 22:32:08 +0100 |
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committer | Vladimir Serbinenko <phcoder@gmail.com> | 2013-11-25 20:23:38 +0100 |
commit | c6f6be0929ccef4c551f9640300972e7bc8600ec (patch) | |
tree | 642cdabcd43f4d86101868a56d87abed5317d780 /src/northbridge/intel/nehalem/acpi/igd.asl | |
parent | 888d559b0373cb956314b8087439378c14a16918 (diff) |
Support for nehalem northbridge
Including raminit
Change-Id: If1dd3855181481b8b928adf0fdb40b29d15897db
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4044
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/northbridge/intel/nehalem/acpi/igd.asl')
-rw-r--r-- | src/northbridge/intel/nehalem/acpi/igd.asl | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/src/northbridge/intel/nehalem/acpi/igd.asl b/src/northbridge/intel/nehalem/acpi/igd.asl new file mode 100644 index 0000000000..7d3d4db477 --- /dev/null +++ b/src/northbridge/intel/nehalem/acpi/igd.asl @@ -0,0 +1,341 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +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 (0x48254), + BCLV, 16, + Offset (0xc8250), + CR1, 32, + CR2, 32 + } + + /* Display Output Switching */ + Method (_DOS, 1) + { + /* Windows 2000 and Windows XP call _DOS to enable/disable + * Display Output Switching during init and while a switch + * is already active + */ + Store (And(Arg0, 7), DSEN) + } + + /* We try to support as many i945 systems as possible, + * so keep the number of DIDs flexible. + */ + Method (_DOD, 0) + { + If (LEqual(NDID, 1)) { + Name(DOD1, Package() { + 0xffffffff + }) + Store (Or(0x00010000, DID1), Index(DOD1, 0)) + Return(DOD1) + } + + If (LEqual(NDID, 2)) { + Name(DOD2, Package() { + 0xffffffff, + 0xffffffff + }) + Store (Or(0x00010000, DID2), Index(DOD2, 0)) + Store (Or(0x00010000, DID2), Index(DOD2, 1)) + Return(DOD2) + } + + If (LEqual(NDID, 3)) { + Name(DOD3, Package() { + 0xffffffff, + 0xffffffff, + 0xffffffff + }) + Store (Or(0x00010000, DID3), Index(DOD3, 0)) + Store (Or(0x00010000, DID3), Index(DOD3, 1)) + Store (Or(0x00010000, DID3), Index(DOD3, 2)) + Return(DOD3) + } + + If (LEqual(NDID, 4)) { + Name(DOD4, Package() { + 0xffffffff, + 0xffffffff, + 0xffffffff, + 0xffffffff + }) + Store (Or(0x00010000, DID4), Index(DOD4, 0)) + Store (Or(0x00010000, DID4), Index(DOD4, 1)) + Store (Or(0x00010000, DID4), Index(DOD4, 2)) + Store (Or(0x00010000, DID4), Index(DOD4, 3)) + Return(DOD4) + } + + If (LGreater(NDID, 4)) { + Name(DOD5, Package() { + 0xffffffff, + 0xffffffff, + 0xffffffff, + 0xffffffff, + 0xffffffff + }) + Store (Or(0x00010000, DID5), Index(DOD5, 0)) + Store (Or(0x00010000, DID5), Index(DOD5, 1)) + Store (Or(0x00010000, DID5), Index(DOD5, 2)) + Store (Or(0x00010000, DID5), Index(DOD5, 3)) + Store (Or(0x00010000, DID5), Index(DOD5, 4)) + Return(DOD5) + } + + /* Some error happened, but we have to return something */ + Return (Package() {0x00000400}) + } + + Device(DD01) + { + /* Device Unique ID */ + Method(_ADR, 0, Serialized) + { + If(LEqual(DID1, 0)) { + Return (1) + } Else { + Return (And(0xffff, DID1)) + } + } + + /* Device Current Status */ + Method(_DCS, 0) + { + TRAP(1) + If (And(CSTE, 1)) { + Return (0x1f) + } + Return(0x1d) + } + + /* Query Device Graphics State */ + Method(_DGS, 0) + { + If (And(NSTE, 1)) { + Return(1) + } + Return(0) + } + + /* Device Set State */ + Method(_DSS, 1) + { + /* If Parameter Arg0 is (1 << 31) | (1 << 30), the + * display switch was completed + */ + If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) { + Store (NSTE, CSTE) + } + } + } + + Device(DD02) + { + /* Device Unique ID */ + Method(_ADR, 0, Serialized) + { + If(LEqual(DID2, 0)) { + Return (2) + } Else { + Return (And(0xffff, DID2)) + } + } + + /* Device Current Status */ + Method(_DCS, 0) + { + TRAP(1) + If (And(CSTE, 2)) { + Return (0x1f) + } + Return(0x1d) + } + + /* Query Device Graphics State */ + Method(_DGS, 0) + { + If (And(NSTE, 2)) { + Return(1) + } + Return(0) + } + + /* Device Set State */ + Method(_DSS, 1) + { + /* If Parameter Arg0 is (1 << 31) | (1 << 30), the + * display switch was completed + */ + If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) { + Store (NSTE, CSTE) + } + } + } + + + Device(DD03) + { + /* Device Unique ID */ + Method(_ADR, 0, Serialized) + { + If(LEqual(DID3, 0)) { + Return (3) + } Else { + Return (And(0xffff, DID3)) + } + } + + /* Device Current Status */ + Method(_DCS, 0) + { + TRAP(1) + If (And(CSTE, 4)) { + Return (0x1f) + } + Return(0x1d) + } + + /* Query Device Graphics State */ + Method(_DGS, 0) + { + If (And(NSTE, 4)) { + Return(1) + } + Return(0) + } + + /* Device Set State */ + Method(_DSS, 1) + { + /* If Parameter Arg0 is (1 << 31) | (1 << 30), the + * display switch was completed + */ + If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) { + Store (NSTE, CSTE) + } + } + } + + + Device(DD04) + { + /* Device Unique ID */ + Method(_ADR, 0, Serialized) + { + If(LEqual(DID4, 0)) { + Return (4) + } Else { + Return (And(0xffff, DID4)) + } + } + + /* Device Current Status */ + Method(_DCS, 0) + { + TRAP(1) + If (And(CSTE, 8)) { + Return (0x1f) + } + Return(0x1d) + } + + /* Query Device Graphics State */ + Method(_DGS, 0) + { + If (And(NSTE, 4)) { + Return(1) + } + Return(0) + } + + /* Device Set State */ + Method(_DSS, 1) + { + /* If Parameter Arg0 is (1 << 31) | (1 << 30), the + * display switch was completed + */ + If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) { + Store (NSTE, CSTE) + } + } + } + + + Device(DD05) + { + /* Device Unique ID */ + Method(_ADR, 0, Serialized) + { + If(LEqual(DID5, 0)) { + Return (5) + } Else { + Return (And(0xffff, DID5)) + } + } + + /* Device Current Status */ + Method(_DCS, 0) + { + TRAP(1) + If (And(CSTE, 16)) { + Return (0x1f) + } + Return(0x1d) + } + + /* Query Device Graphics State */ + Method(_DGS, 0) + { + If (And(NSTE, 4)) { + Return(1) + } + Return(0) + } + + /* Device Set State */ + Method(_DSS, 1) + { + /* If Parameter Arg0 is (1 << 31) | (1 << 30), the + * display switch was completed + */ + If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) { + Store (NSTE, CSTE) + } + } + } + +} + |