diff options
Diffstat (limited to 'kernel/arch/mips/sgi-ip32/crime.c')
| -rw-r--r-- | kernel/arch/mips/sgi-ip32/crime.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/kernel/arch/mips/sgi-ip32/crime.c b/kernel/arch/mips/sgi-ip32/crime.c new file mode 100644 index 000000000..563c614ad --- /dev/null +++ b/kernel/arch/mips/sgi-ip32/crime.c @@ -0,0 +1,103 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001, 2003 Keith M Wesolowski + * Copyright (C) 2005 Ilya A. Volynets <ilya@total-knowledge.com> + */ +#include <linux/types.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <asm/bootinfo.h> +#include <asm/io.h> +#include <asm/mipsregs.h> +#include <asm/page.h> +#include <asm/ip32/crime.h> +#include <asm/ip32/mace.h> + +struct sgi_crime __iomem *crime; +struct sgi_mace __iomem *mace; + +EXPORT_SYMBOL_GPL(mace); + +void __init crime_init(void) +{ + unsigned int id, rev; + const int field = 2 * sizeof(unsigned long); + + set_io_port_base((unsigned long) ioremap(MACEPCI_LOW_IO, 0x2000000)); + crime = ioremap(CRIME_BASE, sizeof(struct sgi_crime)); + mace = ioremap(MACE_BASE, sizeof(struct sgi_mace)); + + id = crime->id; + rev = id & CRIME_ID_REV; + id = (id & CRIME_ID_IDBITS) >> 4; + printk(KERN_INFO "CRIME id %1x rev %d at 0x%0*lx\n", + id, rev, field, (unsigned long) CRIME_BASE); +} + +irqreturn_t crime_memerr_intr(unsigned int irq, void *dev_id) +{ + unsigned long stat, addr; + int fatal = 0; + + stat = crime->mem_error_stat & CRIME_MEM_ERROR_STAT_MASK; + addr = crime->mem_error_addr & CRIME_MEM_ERROR_ADDR_MASK; + + printk("CRIME memory error at 0x%08lx ST 0x%08lx<", addr, stat); + + if (stat & CRIME_MEM_ERROR_INV) + printk("INV,"); + if (stat & CRIME_MEM_ERROR_ECC) { + unsigned long ecc_syn = + crime->mem_ecc_syn & CRIME_MEM_ERROR_ECC_SYN_MASK; + unsigned long ecc_gen = + crime->mem_ecc_chk & CRIME_MEM_ERROR_ECC_CHK_MASK; + printk("ECC,SYN=0x%08lx,GEN=0x%08lx,", ecc_syn, ecc_gen); + } + if (stat & CRIME_MEM_ERROR_MULTIPLE) { + fatal = 1; + printk("MULTIPLE,"); + } + if (stat & CRIME_MEM_ERROR_HARD_ERR) { + fatal = 1; + printk("HARD,"); + } + if (stat & CRIME_MEM_ERROR_SOFT_ERR) + printk("SOFT,"); + if (stat & CRIME_MEM_ERROR_CPU_ACCESS) + printk("CPU,"); + if (stat & CRIME_MEM_ERROR_VICE_ACCESS) + printk("VICE,"); + if (stat & CRIME_MEM_ERROR_GBE_ACCESS) + printk("GBE,"); + if (stat & CRIME_MEM_ERROR_RE_ACCESS) + printk("RE,REID=0x%02lx,", (stat & CRIME_MEM_ERROR_RE_ID)>>8); + if (stat & CRIME_MEM_ERROR_MACE_ACCESS) + printk("MACE,MACEID=0x%02lx,", stat & CRIME_MEM_ERROR_MACE_ID); + + crime->mem_error_stat = 0; + + if (fatal) { + printk("FATAL>\n"); + panic("Fatal memory error."); + } else + printk("NONFATAL>\n"); + + return IRQ_HANDLED; +} + +irqreturn_t crime_cpuerr_intr(unsigned int irq, void *dev_id) +{ + unsigned long stat = crime->cpu_error_stat & CRIME_CPU_ERROR_MASK; + unsigned long addr = crime->cpu_error_addr & CRIME_CPU_ERROR_ADDR_MASK; + + addr <<= 2; + printk("CRIME CPU error at 0x%09lx status 0x%08lx\n", addr, stat); + crime->cpu_error_stat = 0; + + return IRQ_HANDLED; +} |