soc/amd/common/block/acpi: Add halt.c

Creating initial common acpi and implement halt.h

BUG=b:71575631
BRANCH=none
TEST=put poweroff() call in Kahlee's mainboard_final and board turns off
correctly

Change-Id: Ie7dd9851dcb240c53f2487b4f4b8a3e51d6b98d6
Signed-off-by: Chris Ching <chingcodes@chromium.org>
Reviewed-on: https://review.coreboot.org/23074
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Chris Ching 2018-01-03 16:26:36 -07:00 committed by Martin Roth
parent f4ceff37c8
commit 044dfe9b69
2 changed files with 25 additions and 0 deletions

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ramstage-y += halt.c

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018 Google 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.
*/
#include <arch/acpi.h>
#include <soc/southbridge.h>
#include <halt.h>
void poweroff(void)
{
outl((SLP_TYP_S5 << SLP_TYP_SHIFT) | SLP_EN, pm_acpi_pm_cnt_blk());
halt();
}