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
21 struct sgi_crime __iomem *crime;
22 struct sgi_mace __iomem *mace;
23
24 EXPORT_SYMBOL_GPL(mace);
25
crime_init(void)26 void __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
crime_memerr_intr(unsigned int irq,void * dev_id)42 irqreturn_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
crime_cpuerr_intr(unsigned int irq,void * dev_id)93 irqreturn_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