mips/sgi-ip32/crime.c

0001 /*
0002  * This file is subject to the terms and conditions of the GNU General Public
0003  * License.  See the file "COPYING" in the main directory of this archive
0004  * for more details.
0005  *
0006  * Copyright (C) 2001, 2003 Keith M Wesolowski
0007  * Copyright (C) 2005 Ilya A. Volynets <ilya@total-knowledge.com>
0008  */
0009 #include <linux/types.h>
0010 #include <linux/init.h>
0011 #include <linux/kernel.h>
0012 #include <linux/interrupt.h>
0013 #include <linux/export.h>
0014 #include <asm/bootinfo.h>
0015 #include <asm/io.h>
0016 #include <asm/mipsregs.h>
0017 #include <asm/page.h>
0018 #include <asm/ip32/crime.h>
0019 #include <asm/ip32/mace.h>
0020
0021 struct sgi_crime __iomem *crime;
0022 struct sgi_mace __iomem *mace;
0023
0024 EXPORT_SYMBOL_GPL(mace);
0025
0026 void __init crime_init(void)
0027 {
0028     unsigned int id, rev;
0029     const int field = 2 * sizeof(unsigned long);
0030
0031     set_io_port_base((unsigned long) ioremap(MACEPCI_LOW_IO, 0x2000000));
0032     crime = ioremap(CRIME_BASE, sizeof(struct sgi_crime));
0033     mace = ioremap(MACE_BASE, sizeof(struct sgi_mace));
0034
0035     id = crime->id;
0036     rev = id & CRIME_ID_REV;
0037     id = (id & CRIME_ID_IDBITS) >> 4;
0038     printk(KERN_INFO "CRIME id %1x rev %d at 0x%0*lx\n",
0039            id, rev, field, (unsigned long) CRIME_BASE);
0040 }
0041
0042 irqreturn_t crime_memerr_intr(unsigned int irq, void *dev_id)
0043 {
0044     unsigned long stat, addr;
0045     int fatal = 0;
0046
0047     stat = crime->mem_error_stat & CRIME_MEM_ERROR_STAT_MASK;
0048     addr = crime->mem_error_addr & CRIME_MEM_ERROR_ADDR_MASK;
0049
0050     printk("CRIME memory error at 0x%08lx ST 0x%08lx<", addr, stat);
0051
0052     if (stat & CRIME_MEM_ERROR_INV)
0053         printk("INV,");
0054     if (stat & CRIME_MEM_ERROR_ECC) {
0055         unsigned long ecc_syn =
0056             crime->mem_ecc_syn & CRIME_MEM_ERROR_ECC_SYN_MASK;
0057         unsigned long ecc_gen =
0058             crime->mem_ecc_chk & CRIME_MEM_ERROR_ECC_CHK_MASK;
0059         printk("ECC,SYN=0x%08lx,GEN=0x%08lx,", ecc_syn, ecc_gen);
0060     }
0061     if (stat & CRIME_MEM_ERROR_MULTIPLE) {
0062         fatal = 1;
0063         printk("MULTIPLE,");
0064     }
0065     if (stat & CRIME_MEM_ERROR_HARD_ERR) {
0066         fatal = 1;
0067         printk("HARD,");
0068     }
0069     if (stat & CRIME_MEM_ERROR_SOFT_ERR)
0070         printk("SOFT,");
0071     if (stat & CRIME_MEM_ERROR_CPU_ACCESS)
0072         printk("CPU,");
0073     if (stat & CRIME_MEM_ERROR_VICE_ACCESS)
0074         printk("VICE,");
0075     if (stat & CRIME_MEM_ERROR_GBE_ACCESS)
0076         printk("GBE,");
0077     if (stat & CRIME_MEM_ERROR_RE_ACCESS)
0078         printk("RE,REID=0x%02lx,", (stat & CRIME_MEM_ERROR_RE_ID)>>8);
0079     if (stat & CRIME_MEM_ERROR_MACE_ACCESS)
0080         printk("MACE,MACEID=0x%02lx,", stat & CRIME_MEM_ERROR_MACE_ID);
0081
0082     crime->mem_error_stat = 0;
0083
0084     if (fatal) {
0085         printk("FATAL>\n");
0086         panic("Fatal memory error.");
0087     } else
0088         printk("NONFATAL>\n");
0089
0090     return IRQ_HANDLED;
0091 }
0092
0093 irqreturn_t crime_cpuerr_intr(unsigned int irq, void *dev_id)
0094 {
0095     unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK;
0096     unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK;
0097
0098     addr <<= 2;
0099     printk("CRIME CPU error at 0x%09lx status 0x%08lx\n", addr, stat);
0100     crime->cpu_error_stat = 0;
0101
0102     return IRQ_HANDLED;
0103 }