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coreboot-kgpe-d16/src/soc/intel/common/reset.c

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soc/intel/common: Add common reset code Move reset support into the Intel common branch. Prevent breaking of existing platforms by using a Kconfig value to select use of the common reset code. BRANCH=none BUG=None TEST=Build and run on Glados Change-Id: I5ba86ef585dde3ef4ecdcc198ab615b5c056d985 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 85d8a6d9628a66cc8d73176d460cd6c5bf6bd6b2 Original-Change-Id: I5048ccf3eb593d59301ad8e808c4e281b9a0aa98 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/248301 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9505 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-02-10 06:16:14 +01:00
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
* Copyright (C) 2014 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 <arch/hlt.h>
#include <arch/io.h>
#include <reset.h>
/* Reset control port */
#define RST_CNT 0xcf9
#define FULL_RST (1 << 3)
#define RST_CPU (1 << 2)
#define SYS_RST (1 << 1)
soc/intel/common: Add reset_prepare() for common reset Some Intel SoC may need preparation before reset can be properly handled. Add callback that chip/soc code can implement. BUG=chrome-os-partner:55055 Change-Id: I45857838e1a306dbcb9ed262b55e7db88a8944e5 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/15720 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-07-15 22:31:09 +02:00
#ifdef __ROMCC__
#define WEAK
#else
#define WEAK __attribute__((weak))
#endif
void WEAK reset_prepare(void) { /* do nothing */ }
soc/intel/common: Fix build error in reset.c Fix build error caused by macro substitution in the function definition when the Kconfig value HAVE_HARD_RESET is not selected. src/soc/intel/common/reset.c:36:21: error: macro "hard_reset" passed 1 arguments, but takes just 0 void hard_reset(void) ^ src/soc/intel/common/reset.c:37:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token { ^ make: *** [build/bootblock/soc/intel/common/reset.o] Error 1 TEST=Build and run on Galileo Gen2 Change-Id: I793570e62a0e46cca86cc540c243e363896ceac7 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/15988 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-07-30 19:29:37 +02:00
#if IS_ENABLED(CONFIG_HAVE_HARD_RESET)
soc/intel/common: Add common reset code Move reset support into the Intel common branch. Prevent breaking of existing platforms by using a Kconfig value to select use of the common reset code. BRANCH=none BUG=None TEST=Build and run on Glados Change-Id: I5ba86ef585dde3ef4ecdcc198ab615b5c056d985 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 85d8a6d9628a66cc8d73176d460cd6c5bf6bd6b2 Original-Change-Id: I5048ccf3eb593d59301ad8e808c4e281b9a0aa98 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/248301 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9505 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-02-10 06:16:14 +01:00
void hard_reset(void)
{
soc/intel/common: Add reset_prepare() for common reset Some Intel SoC may need preparation before reset can be properly handled. Add callback that chip/soc code can implement. BUG=chrome-os-partner:55055 Change-Id: I45857838e1a306dbcb9ed262b55e7db88a8944e5 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/15720 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-07-15 22:31:09 +02:00
reset_prepare();
soc/intel/common: Add common reset code Move reset support into the Intel common branch. Prevent breaking of existing platforms by using a Kconfig value to select use of the common reset code. BRANCH=none BUG=None TEST=Build and run on Glados Change-Id: I5ba86ef585dde3ef4ecdcc198ab615b5c056d985 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 85d8a6d9628a66cc8d73176d460cd6c5bf6bd6b2 Original-Change-Id: I5048ccf3eb593d59301ad8e808c4e281b9a0aa98 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/248301 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9505 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-02-10 06:16:14 +01:00
/* S0->S5->S0 trip. */
outb(RST_CPU | SYS_RST | FULL_RST, RST_CNT);
while (1)
hlt();
}
soc/intel/common: Fix build error in reset.c Fix build error caused by macro substitution in the function definition when the Kconfig value HAVE_HARD_RESET is not selected. src/soc/intel/common/reset.c:36:21: error: macro "hard_reset" passed 1 arguments, but takes just 0 void hard_reset(void) ^ src/soc/intel/common/reset.c:37:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token { ^ make: *** [build/bootblock/soc/intel/common/reset.o] Error 1 TEST=Build and run on Galileo Gen2 Change-Id: I793570e62a0e46cca86cc540c243e363896ceac7 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/15988 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-07-30 19:29:37 +02:00
#endif
soc/intel/common: Add common reset code Move reset support into the Intel common branch. Prevent breaking of existing platforms by using a Kconfig value to select use of the common reset code. BRANCH=none BUG=None TEST=Build and run on Glados Change-Id: I5ba86ef585dde3ef4ecdcc198ab615b5c056d985 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 85d8a6d9628a66cc8d73176d460cd6c5bf6bd6b2 Original-Change-Id: I5048ccf3eb593d59301ad8e808c4e281b9a0aa98 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/248301 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9505 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-02-10 06:16:14 +01:00
void soft_reset(void)
{
soc/intel/common: Add reset_prepare() for common reset Some Intel SoC may need preparation before reset can be properly handled. Add callback that chip/soc code can implement. BUG=chrome-os-partner:55055 Change-Id: I45857838e1a306dbcb9ed262b55e7db88a8944e5 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/15720 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-07-15 22:31:09 +02:00
reset_prepare();
soc/intel/common: Add common reset code Move reset support into the Intel common branch. Prevent breaking of existing platforms by using a Kconfig value to select use of the common reset code. BRANCH=none BUG=None TEST=Build and run on Glados Change-Id: I5ba86ef585dde3ef4ecdcc198ab615b5c056d985 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 85d8a6d9628a66cc8d73176d460cd6c5bf6bd6b2 Original-Change-Id: I5048ccf3eb593d59301ad8e808c4e281b9a0aa98 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/248301 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9505 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-02-10 06:16:14 +01:00
/* PMC_PLTRST# asserted. */
outb(RST_CPU | SYS_RST, RST_CNT);
while (1)
hlt();
}
void cpu_reset(void)
{
soc/intel/common: Add reset_prepare() for common reset Some Intel SoC may need preparation before reset can be properly handled. Add callback that chip/soc code can implement. BUG=chrome-os-partner:55055 Change-Id: I45857838e1a306dbcb9ed262b55e7db88a8944e5 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/15720 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-07-15 22:31:09 +02:00
reset_prepare();
soc/intel/common: Add common reset code Move reset support into the Intel common branch. Prevent breaking of existing platforms by using a Kconfig value to select use of the common reset code. BRANCH=none BUG=None TEST=Build and run on Glados Change-Id: I5ba86ef585dde3ef4ecdcc198ab615b5c056d985 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Original-Commit-Id: 85d8a6d9628a66cc8d73176d460cd6c5bf6bd6b2 Original-Change-Id: I5048ccf3eb593d59301ad8e808c4e281b9a0aa98 Original-Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/248301 Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com> Original-Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/9505 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-02-10 06:16:14 +01:00
/* Sends INIT# to CPU */
outb(RST_CPU, RST_CNT);
while (1)
hlt();
}
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