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 <linux/export.h>
14#include <asm/bootinfo.h>
15#include <asm/io.h>
16#include <asm/mipsregs.h>
17#include <asm/page.h>
18#include <asm/ip32/crime.h>
19#include <asm/ip32/mace.h>
20
21#include "ip32-common.h"
22
23struct sgi_crime __iomem *crime;
24struct sgi_mace __iomem *mace;
25
26EXPORT_SYMBOL_GPL(mace);
27
28void __init crime_init(void)
29{
30	unsigned int id, rev;
31	const int field = 2 * sizeof(unsigned long);
32
33	set_io_port_base((unsigned long) ioremap(MACEPCI_LOW_IO, 0x2000000));
34	crime = ioremap(CRIME_BASE, sizeof(struct sgi_crime));
35	mace = ioremap(MACE_BASE, sizeof(struct sgi_mace));
36
37	id = crime->id;
38	rev = id & CRIME_ID_REV;
39	id = (id & CRIME_ID_IDBITS) >> 4;
40	printk(KERN_INFO "CRIME id %1x rev %d at 0x%0*lx\n",
41	       id, rev, field, (unsigned long) CRIME_BASE);
42}
43
44irqreturn_t crime_memerr_intr(int irq, void *dev_id)
45{
46	unsigned long stat, addr;
47	int fatal = 0;
48
49	stat = crime->mem_error_stat & CRIME_MEM_ERROR_STAT_MASK;
50	addr = crime->mem_error_addr & CRIME_MEM_ERROR_ADDR_MASK;
51
52	printk("CRIME memory error at 0x%08lx ST 0x%08lx<", addr, stat);
53
54	if (stat & CRIME_MEM_ERROR_INV)
55		printk("INV,");
56	if (stat & CRIME_MEM_ERROR_ECC) {
57		unsigned long ecc_syn =
58			crime->mem_ecc_syn & CRIME_MEM_ERROR_ECC_SYN_MASK;
59		unsigned long ecc_gen =
60			crime->mem_ecc_chk & CRIME_MEM_ERROR_ECC_CHK_MASK;
61		printk("ECC,SYN=0x%08lx,GEN=0x%08lx,", ecc_syn, ecc_gen);
62	}
63	if (stat & CRIME_MEM_ERROR_MULTIPLE) {
64		fatal = 1;
65		printk("MULTIPLE,");
66	}
67	if (stat & CRIME_MEM_ERROR_HARD_ERR) {
68		fatal = 1;
69		printk("HARD,");
70	}
71	if (stat & CRIME_MEM_ERROR_SOFT_ERR)
72		printk("SOFT,");
73	if (stat & CRIME_MEM_ERROR_CPU_ACCESS)
74		printk("CPU,");
75	if (stat & CRIME_MEM_ERROR_VICE_ACCESS)
76		printk("VICE,");
77	if (stat & CRIME_MEM_ERROR_GBE_ACCESS)
78		printk("GBE,");
79	if (stat & CRIME_MEM_ERROR_RE_ACCESS)
80		printk("RE,REID=0x%02lx,", (stat & CRIME_MEM_ERROR_RE_ID)>>8);
81	if (stat & CRIME_MEM_ERROR_MACE_ACCESS)
82		printk("MACE,MACEID=0x%02lx,", stat & CRIME_MEM_ERROR_MACE_ID);
83
84	crime->mem_error_stat = 0;
85
86	if (fatal) {
87		printk("FATAL>\n");
88		panic("Fatal memory error.");
89	} else
90		printk("NONFATAL>\n");
91
92	return IRQ_HANDLED;
93}
94
95irqreturn_t crime_cpuerr_intr(int irq, void *dev_id)
96{
97	unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK;
98	unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK;
99
100	addr <<= 2;
101	printk("CRIME CPU error at 0x%09lx status 0x%08lx\n", addr, stat);
102	crime->cpu_error_stat = 0;
103
104	return IRQ_HANDLED;
105}
106