Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
35 lines
845 B
C
35 lines
845 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Common PowerQUICC II code.
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*
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* Author: Scott Wood <scottwood@freescale.com>
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* Copyright (c) 2007 Freescale Semiconductor
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*
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* Based on code by Vitaly Bordug <vbordug@ru.mvista.com>
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* pq2_restart fix by Wade Farnsworth <wfarnsworth@mvista.com>
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* Copyright (c) 2006 MontaVista Software, Inc.
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*/
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#include <linux/kprobes.h>
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#include <asm/cpm2.h>
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#include <asm/io.h>
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#include <asm/pci-bridge.h>
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#include <platforms/82xx/pq2.h>
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#define RMR_CSRE 0x00000001
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void __noreturn pq2_restart(char *cmd)
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{
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local_irq_disable();
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setbits32(&cpm2_immr->im_clkrst.car_rmr, RMR_CSRE);
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/* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */
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mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR));
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in_8(&cpm2_immr->im_clkrst.res[0]);
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panic("Restart failed\n");
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}
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NOKPROBE_SYMBOL(pq2_restart)
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