From 9c0e180655c178793f27e8ef4d69b3fd012e1d90 Mon Sep 17 00:00:00 2001 From: Andrey Petrov Date: Thu, 23 Jun 2016 08:26:00 -0700 Subject: Revert "intel/apollolake: Use custom reset calls" Looks like we need to do real cold reset in some FSP flows, so reverting this. This reverts commit 6f762171de4b8514fddd430052cbf24524e09e5d. Change-Id: Ie948d264c4e2572dab26fdb9462905247a168177 Signed-off-by: Andrey Petrov Reviewed-on: https://review.coreboot.org/15331 Reviewed-by: Aaron Durbin Tested-by: build bot (Jenkins) --- src/soc/intel/apollolake/reset.c | 50 ---------------------------------------- 1 file changed, 50 deletions(-) delete mode 100644 src/soc/intel/apollolake/reset.c (limited to 'src/soc/intel/apollolake/reset.c') diff --git a/src/soc/intel/apollolake/reset.c b/src/soc/intel/apollolake/reset.c deleted file mode 100644 index eb43c41262..0000000000 --- a/src/soc/intel/apollolake/reset.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008-2009 coresystems GmbH - * Copyright (C) 2014-2016 Google Inc. - * Copyright (C) 2015 Intel Corporation. - * - * 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 -#include -#include -#include - -/* Reset control port */ -#define RST_CNT 0xcf9 -#define FULL_RST (1 << 3) -#define RST_CPU (1 << 2) -#define SYS_RST (1 << 1) - -/* - * Temporary disable cold reboot on Apollolake platform due to USB LDO issue. - * Should be fixed in later stepping. - */ -void hard_reset(void) -{ - soft_reset(); -} - -void soft_reset(void) -{ - /* PMC_PLTRST# asserted. */ - outb(RST_CPU | SYS_RST, RST_CNT); - halt(); -} - -void cpu_reset(void) -{ - /* Sends INIT# to CPU */ - outb(RST_CPU, RST_CNT); - halt(); -} -- cgit v1.2.3