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/arch/mips/sgi-ip32/crime.c

https://bitbucket.org/evzijst/gittest
C | 103 lines | 81 code | 14 blank | 8 comment | 11 complexity | d1e00efdf7be46ef49423a76f4a7df68 MD5 | raw file
  1/*
  2 * This file is subject to the terms and conditions of the GNU General Public
  3 * License.  See the file "COPYING" in the main directory of this archive
  4 * for more details.
  5 *
  6 * Copyright (C) 2001, 2003 Keith M Wesolowski
  7 * Copyright (C) 2005 Ilya A. Volynets <ilya@total-knowledge.com>
  8 */
  9#include <linux/types.h>
 10#include <linux/init.h>
 11#include <linux/kernel.h>
 12#include <linux/interrupt.h>
 13#include <asm/bootinfo.h>
 14#include <asm/io.h>
 15#include <asm/mipsregs.h>
 16#include <asm/ptrace.h>
 17#include <asm/page.h>
 18#include <asm/ip32/crime.h>
 19#include <asm/ip32/mace.h>
 20
 21struct sgi_crime *crime;
 22struct sgi_mace *mace;
 23
 24void __init crime_init(void)
 25{
 26	unsigned int id, rev;
 27	const int field = 2 * sizeof(unsigned long);
 28
 29	set_io_port_base((unsigned long) ioremap(MACEPCI_LOW_IO, 0x2000000));
 30	crime = ioremap(CRIME_BASE, sizeof(struct sgi_crime));
 31	mace = ioremap(MACE_BASE, sizeof(struct sgi_mace));
 32
 33	id = crime->id;
 34	rev = id & CRIME_ID_REV;
 35	id = (id & CRIME_ID_IDBITS) >> 4;
 36	printk (KERN_INFO "CRIME id %1x rev %d at 0x%0*lx\n",
 37		id, rev, field, (unsigned long) CRIME_BASE);
 38}
 39
 40irqreturn_t
 41crime_memerr_intr (unsigned int irq, void *dev_id, struct pt_regs *regs)
 42{
 43	unsigned long stat, addr;
 44	int fatal = 0;
 45
 46	stat = crime->mem_error_stat & CRIME_MEM_ERROR_STAT_MASK;
 47	addr = crime->mem_error_addr & CRIME_MEM_ERROR_ADDR_MASK;
 48
 49	printk("CRIME memory error at 0x%08lx ST 0x%08lx<", addr, stat);
 50
 51	if (stat & CRIME_MEM_ERROR_INV)
 52		printk("INV,");
 53	if (stat & CRIME_MEM_ERROR_ECC) {
 54		unsigned long ecc_syn =
 55			crime->mem_ecc_syn & CRIME_MEM_ERROR_ECC_SYN_MASK;
 56		unsigned long ecc_gen =
 57			crime->mem_ecc_chk & CRIME_MEM_ERROR_ECC_CHK_MASK;
 58		printk("ECC,SYN=0x%08lx,GEN=0x%08lx,", ecc_syn, ecc_gen);
 59	}
 60	if (stat & CRIME_MEM_ERROR_MULTIPLE) {
 61		fatal = 1;
 62		printk("MULTIPLE,");
 63	}
 64	if (stat & CRIME_MEM_ERROR_HARD_ERR) {
 65		fatal = 1;
 66		printk("HARD,");
 67	}
 68	if (stat & CRIME_MEM_ERROR_SOFT_ERR)
 69		printk("SOFT,");
 70	if (stat & CRIME_MEM_ERROR_CPU_ACCESS)
 71		printk("CPU,");
 72	if (stat & CRIME_MEM_ERROR_VICE_ACCESS)
 73		printk("VICE,");
 74	if (stat & CRIME_MEM_ERROR_GBE_ACCESS)
 75		printk("GBE,");
 76	if (stat & CRIME_MEM_ERROR_RE_ACCESS)
 77		printk("RE,REID=0x%02lx,", (stat & CRIME_MEM_ERROR_RE_ID)>>8);
 78	if (stat & CRIME_MEM_ERROR_MACE_ACCESS)
 79		printk("MACE,MACEID=0x%02lx,", stat & CRIME_MEM_ERROR_MACE_ID);
 80
 81	crime->mem_error_stat = 0;
 82
 83	if (fatal) {
 84		printk("FATAL>\n");
 85		panic("Fatal memory error.");
 86	} else
 87		printk("NONFATAL>\n");
 88
 89	return IRQ_HANDLED;
 90}
 91
 92irqreturn_t
 93crime_cpuerr_intr (unsigned int irq, void *dev_id, struct pt_regs *regs)
 94{
 95	unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK;
 96	unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK;
 97
 98	addr <<= 2;
 99	printk ("CRIME CPU error at 0x%09lx status 0x%08lx\n", addr, stat);
100	crime->cpu_error_stat = 0;
101
102	return IRQ_HANDLED;
103}