diff options
Diffstat (limited to 'arch/ia64/sn/kernel/sn1/error.c')
| -rw-r--r-- | arch/ia64/sn/kernel/sn1/error.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/arch/ia64/sn/kernel/sn1/error.c b/arch/ia64/sn/kernel/sn1/error.c deleted file mode 100644 index 16b68ae0012b45..00000000000000 --- a/arch/ia64/sn/kernel/sn1/error.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * SN1 Platform specific error Support - * - * Copyright (C) 2001-2002 Silicon Graphics, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/NoticeExplan - */ - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/mm.h> - -#include <asm/ptrace.h> -#include <linux/devfs_fs_kernel.h> -#include <asm/smp.h> -#include <asm/sn/sn_cpuid.h> -#include <asm/sn/sn1/bedrock.h> -#include <asm/sn/intr.h> -#include <asm/sn/addrs.h> - -/** - * snia_error_intr_handler - handle SN specific error interrupts - * @irq: error interrupt received - * @devid: device causing the interrupt - * @pt_regs: saved register state - * - * This routine is called when certain interrupts occur on SN systems. - * It will either recover from the situations that caused the interrupt - * or panic. - */ -void -snia_error_intr_handler(int irq, void *devid, struct pt_regs *pt_regs) -{ - unsigned long long intpend_val; - unsigned long long bit; - - switch (irq) { - case SGI_UART_IRQ: - /* - * This isn't really an error interrupt. We're just - * here because we have to do something with them. - * This is probably wrong, and this code will be - * removed. - */ - intpend_val = LOCAL_HUB_L(PI_INT_PEND0); - if ( (bit = ~(1L<<GFX_INTR_A)) == - (intpend_val & ~(1L<<GFX_INTR_A)) ) { - LOCAL_HUB_CLR_INTR(bit); - return; - } - if ( (bit = ~(1L<<GFX_INTR_B)) == - (intpend_val & ~(1L<<GFX_INTR_B)) ) { - LOCAL_HUB_CLR_INTR(bit); - return; - } - if ( (bit = ~(1L<<PG_MIG_INTR)) == - (intpend_val & ~(1L<<PG_MIG_INTR)) ) { - LOCAL_HUB_CLR_INTR(bit); - return; - } - if ( (bit = ~(1L<<UART_INTR)) == - (intpend_val & ~(1L<<UART_INTR)) ) { - LOCAL_HUB_CLR_INTR(bit); - return; - } - if ( (bit = ~(1L<<CC_PEND_A)) == - (intpend_val & ~(1L<<CC_PEND_A)) ) { - LOCAL_HUB_CLR_INTR(bit); - return; - } - if ( (bit = ~(1L<<CC_PEND_B)) == - (intpend_val & ~(1L<<CC_PEND_B)) ) { - LOCAL_HUB_CLR_INTR(bit); - return; - } - printk("Received SGI_UART_IRQ (65), but no intpend0 bits were set???\n"); - return; - case SGI_HUB_ERROR_IRQ: - /* - * These are mostly error interrupts of various - * sorts. We need to do more than panic here, but - * what the heck, this is bring up. - */ - intpend_val = LOCAL_HUB_L(PI_INT_PEND1); - - if ( (bit = ~(1L<<XB_ERROR)) == - (intpend_val & ~(1L<<XB_ERROR)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED XB_ERROR on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<LB_ERROR)) == - (intpend_val & ~(1L<<LB_ERROR)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED LB_ERROR on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<NACK_INT_A)) == - (intpend_val & ~(1L<<NACK_INT_A)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED NACK_INT_A on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<NACK_INT_B)) == - (intpend_val & ~(1L<<NACK_INT_B)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED NACK_INT_B on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<CLK_ERR_INTR)) == - (intpend_val & ~(1L<<CLK_ERR_INTR)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED CLK_ERR_INTR on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<COR_ERR_INTR_A)) == - (intpend_val & ~(1L<<COR_ERR_INTR_A)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED COR_ERR_INTR_A on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<COR_ERR_INTR_B)) == - (intpend_val & ~(1L<<COR_ERR_INTR_B)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED COR_ERR_INTR_B on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<MD_COR_ERR_INTR)) == - (intpend_val & ~(1L<<MD_COR_ERR_INTR)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED MD_COR_ERR_INTR on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<NI_ERROR_INTR)) == - (intpend_val & ~(1L<<NI_ERROR_INTR)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED NI_ERROR_INTR on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - if ( (bit = ~(1L<<MSC_PANIC_INTR)) == - (intpend_val & ~(1L<<MSC_PANIC_INTR)) ) { - LOCAL_HUB_CLR_INTR(bit); - panic("RECEIVED MSC_PANIC_INTR on cpu %d, cnode %d\n", - smp_processor_id(), - cpuid_to_cnodeid(smp_processor_id())); - } - printk("Received SGI_XB_ERROR_IRQ (182) but no intpend1 bits are set???\n"); - return; - default: - printk("Received invalid irq in snia_error_intr_handler()\n"); - } -} |