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pa7300lc.c

/*
 *   linux/arch/parisc/kernel/pa7300lc.c
 *    - PA7300LC-specific functions 
 *
 *   Copyright (C) 2000 Philipp Rumpf */

#include <linux/sched.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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