From 7d9016931c20d8c990a8df26f44e445e4a24f3c4 Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki Date: Sat, 28 Jan 2017 10:23:49 +0200 Subject: AGESA binaryPI: Consolidate ACPI for IMC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Ieff6041f3c9ad02f9cebae0ec83d0898abb0d601 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/18538 Reviewed-by: Martin Roth Tested-by: build bot (Jenkins) --- src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl | 65 ++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl (limited to 'src/southbridge/amd/agesa') diff --git a/src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl b/src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl new file mode 100644 index 0000000000..19ea8f5f78 --- /dev/null +++ b/src/southbridge/amd/agesa/hudson/acpi/AmdImc.asl @@ -0,0 +1,65 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * 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. + */ + +OperationRegion(IMIO, SystemIO, 0x3E, 0x02) +Field(IMIO , ByteAcc, NoLock, Preserve) { + IMCX,8, + IMCA,8 +} + +IndexField(IMCX, IMCA, ByteAcc, NoLock, Preserve) { + Offset(0x80), + MSTI, 8, + MITS, 8, + MRG0, 8, + MRG1, 8, + MRG2, 8, + MRG3, 8, +} + +Method(WACK, 0) +{ + Store(0, Local0) + Store(50, Local1) + While (LAnd (LNotEqual(Local0, 0xFA), LGreater(Local1,0))) { + Store(MRG0, Local0) + Sleep(10) + Decrement(Local1) + } +} + +//Init +Method (ITZE, 0) +{ + Store(0, MRG0) + Store(0xB5, MRG1) + Store(0, MRG2) + Store(0x96, MSTI) + WACK() + + Store(0, MRG0) + Store(0, MRG1) + Store(0, MRG2) + Store(0x80, MSTI) + WACK() + + Or(MRG2, 0x01, Local0) + + Store(0, MRG0) + Store(0, MRG1) + Store(Local0, MRG2) + Store(0x81, MSTI) + WACK() +} -- cgit v1.2.3