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// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/parisc/kernel/pa7300lc.c
* - PA7300LC-specific functions
*
* Copyright (C) 2000 Philipp Rumpf */
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/smp.h>
#include <linux/kernel.h>
#include <asm/io.h>
#include <asm/ptrace.h>
#include <asm/machdep.h>
/* CPU register indices */
#define MIOC_STATUS 0xf040
#define MIOC_CONTROL 0xf080
#define MDERRADD 0xf0e0
#define DMAERR 0xf0e8
#define DIOERR 0xf0ec
#define HIDMAMEM 0xf0f4
/* this returns the HPA of the CPU it was called on */
static u32 cpu_hpa(void)
{
return 0xfffb0000;
}
static void pa7300lc_lpmc(int code, struct pt_regs *regs)
{
u32 hpa;
printk(KERN_WARNING "LPMC on CPU %d\n", smp_processor_id());
show_regs(regs);
hpa = cpu_hpa();
printk(KERN_WARNING
"MIOC_CONTROL %08x\n" "MIOC_STATUS %08x\n"
"MDERRADD %08x\n" "DMAERR %08x\n"
"DIOERR %08x\n" "HIDMAMEM %08x\n",
gsc_readl(hpa+MIOC_CONTROL), gsc_readl(hpa+MIOC_STATUS),
gsc_readl(hpa+MDERRADD), gsc_readl(hpa+DMAERR),
gsc_readl(hpa+DIOERR), gsc_readl(hpa+HIDMAMEM));
}
void pa7300lc_init(void)
{
cpu_lpmc = pa7300lc_lpmc;
}
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