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