summaryrefslogtreecommitdiffstats
path: root/kernel/arch/mips/sgi-ip32/crime.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/mips/sgi-ip32/crime.c')
-rw-r--r--kernel/arch/mips/sgi-ip32/crime.c103
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;
+}