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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common PowerQUICC II code.
*
* Author: Scott Wood <scottwood@freescale.com>
* Copyright (c) 2007 Freescale Semiconductor
*
* Based on code by Vitaly Bordug <vbordug@ru.mvista.com>
* pq2_restart fix by Wade Farnsworth <wfarnsworth@mvista.com>
* Copyright (c) 2006 MontaVista Software, Inc.
*/
#include <linux/kprobes.h>
#include <asm/cpm2.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <platforms/82xx/pq2.h>
#define RMR_CSRE 0x00000001
void __noreturn pq2_restart(char *cmd)
{
local_irq_disable();
setbits32(&cpm2_immr->im_clkrst.car_rmr, RMR_CSRE);
/* Clear the ME,EE,IR & DR bits in MSR to cause checkstop */
mtmsr(mfmsr() & ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR));
in_8(&cpm2_immr->im_clkrst.res[0]);
panic("Restart failed\n");
}
NOKPROBE_SYMBOL(pq2_restart)
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