1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public
3*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive
4*4882a593Smuzhiyun * for more details.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Copyright (C) 2001, 2003 Keith M Wesolowski
7*4882a593Smuzhiyun * Copyright (C) 2005 Ilya A. Volynets <ilya@total-knowledge.com>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun #include <linux/types.h>
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/interrupt.h>
13*4882a593Smuzhiyun #include <linux/export.h>
14*4882a593Smuzhiyun #include <asm/bootinfo.h>
15*4882a593Smuzhiyun #include <asm/io.h>
16*4882a593Smuzhiyun #include <asm/mipsregs.h>
17*4882a593Smuzhiyun #include <asm/page.h>
18*4882a593Smuzhiyun #include <asm/ip32/crime.h>
19*4882a593Smuzhiyun #include <asm/ip32/mace.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun struct sgi_crime __iomem *crime;
22*4882a593Smuzhiyun struct sgi_mace __iomem *mace;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(mace);
25*4882a593Smuzhiyun
crime_init(void)26*4882a593Smuzhiyun void __init crime_init(void)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun unsigned int id, rev;
29*4882a593Smuzhiyun const int field = 2 * sizeof(unsigned long);
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun set_io_port_base((unsigned long) ioremap(MACEPCI_LOW_IO, 0x2000000));
32*4882a593Smuzhiyun crime = ioremap(CRIME_BASE, sizeof(struct sgi_crime));
33*4882a593Smuzhiyun mace = ioremap(MACE_BASE, sizeof(struct sgi_mace));
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun id = crime->id;
36*4882a593Smuzhiyun rev = id & CRIME_ID_REV;
37*4882a593Smuzhiyun id = (id & CRIME_ID_IDBITS) >> 4;
38*4882a593Smuzhiyun printk(KERN_INFO "CRIME id %1x rev %d at 0x%0*lx\n",
39*4882a593Smuzhiyun id, rev, field, (unsigned long) CRIME_BASE);
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
crime_memerr_intr(unsigned int irq,void * dev_id)42*4882a593Smuzhiyun irqreturn_t crime_memerr_intr(unsigned int irq, void *dev_id)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun unsigned long stat, addr;
45*4882a593Smuzhiyun int fatal = 0;
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun stat = crime->mem_error_stat & CRIME_MEM_ERROR_STAT_MASK;
48*4882a593Smuzhiyun addr = crime->mem_error_addr & CRIME_MEM_ERROR_ADDR_MASK;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun printk("CRIME memory error at 0x%08lx ST 0x%08lx<", addr, stat);
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_INV)
53*4882a593Smuzhiyun printk("INV,");
54*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_ECC) {
55*4882a593Smuzhiyun unsigned long ecc_syn =
56*4882a593Smuzhiyun crime->mem_ecc_syn & CRIME_MEM_ERROR_ECC_SYN_MASK;
57*4882a593Smuzhiyun unsigned long ecc_gen =
58*4882a593Smuzhiyun crime->mem_ecc_chk & CRIME_MEM_ERROR_ECC_CHK_MASK;
59*4882a593Smuzhiyun printk("ECC,SYN=0x%08lx,GEN=0x%08lx,", ecc_syn, ecc_gen);
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_MULTIPLE) {
62*4882a593Smuzhiyun fatal = 1;
63*4882a593Smuzhiyun printk("MULTIPLE,");
64*4882a593Smuzhiyun }
65*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_HARD_ERR) {
66*4882a593Smuzhiyun fatal = 1;
67*4882a593Smuzhiyun printk("HARD,");
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_SOFT_ERR)
70*4882a593Smuzhiyun printk("SOFT,");
71*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_CPU_ACCESS)
72*4882a593Smuzhiyun printk("CPU,");
73*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_VICE_ACCESS)
74*4882a593Smuzhiyun printk("VICE,");
75*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_GBE_ACCESS)
76*4882a593Smuzhiyun printk("GBE,");
77*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_RE_ACCESS)
78*4882a593Smuzhiyun printk("RE,REID=0x%02lx,", (stat & CRIME_MEM_ERROR_RE_ID)>>8);
79*4882a593Smuzhiyun if (stat & CRIME_MEM_ERROR_MACE_ACCESS)
80*4882a593Smuzhiyun printk("MACE,MACEID=0x%02lx,", stat & CRIME_MEM_ERROR_MACE_ID);
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun crime->mem_error_stat = 0;
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun if (fatal) {
85*4882a593Smuzhiyun printk("FATAL>\n");
86*4882a593Smuzhiyun panic("Fatal memory error.");
87*4882a593Smuzhiyun } else
88*4882a593Smuzhiyun printk("NONFATAL>\n");
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun return IRQ_HANDLED;
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun
crime_cpuerr_intr(unsigned int irq,void * dev_id)93*4882a593Smuzhiyun irqreturn_t crime_cpuerr_intr(unsigned int irq, void *dev_id)
94*4882a593Smuzhiyun {
95*4882a593Smuzhiyun unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK;
96*4882a593Smuzhiyun unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK;
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun addr <<= 2;
99*4882a593Smuzhiyun printk("CRIME CPU error at 0x%09lx status 0x%08lx\n", addr, stat);
100*4882a593Smuzhiyun crime->cpu_error_stat = 0;
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun return IRQ_HANDLED;
103*4882a593Smuzhiyun }
104