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 23 struct sgi_crime __iomem *crime; 24 struct sgi_mace __iomem *mace; 25 26 EXPORT_SYMBOL_GPL(mace); 27 28 void __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 44 irqreturn_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 95 irqreturn_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