diff options
Diffstat (limited to 'arch/mips/emma2rh/common/irq.c')
| -rw-r--r-- | arch/mips/emma2rh/common/irq.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/mips/emma2rh/common/irq.c b/arch/mips/emma2rh/common/irq.c deleted file mode 100644 index 91cbd95..0000000 --- a/arch/mips/emma2rh/common/irq.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * arch/mips/emma2rh/common/irq.c - * This file is common irq dispatcher. - * - * Copyright (C) NEC Electronics Corporation 2005-2006 - * - * This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c - * - * Copyright 2001 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/types.h> - -#include <asm/system.h> -#include <asm/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/bootinfo.h> - -#include <asm/emma2rh/emma2rh.h> - -/* - * the first level int-handler will jump here if it is a emma2rh irq - */ -void emma2rh_irq_dispatch(void) -{ - u32 intStatus; - u32 bitmask; - u32 i; - - intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_0) - & emma2rh_in32(EMMA2RH_BHIF_INT_EN_0); - -#ifdef EMMA2RH_SW_CASCADE - if (intStatus & - (1 << ((EMMA2RH_SW_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) { - u32 swIntStatus; - swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT) - & emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN); - for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { - if (swIntStatus & bitmask) { - do_IRQ(EMMA2RH_SW_IRQ_BASE + i); - return; - } - } - } -#endif - - for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { - if (intStatus & bitmask) { - do_IRQ(EMMA2RH_IRQ_BASE + i); - return; - } - } - - intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_1) - & emma2rh_in32(EMMA2RH_BHIF_INT_EN_1); - -#ifdef EMMA2RH_GPIO_CASCADE - if (intStatus & - (1 << ((EMMA2RH_GPIO_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) { - u32 gpioIntStatus; - gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST) - & emma2rh_in32(EMMA2RH_GPIO_INT_MASK); - for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) { - if (gpioIntStatus & bitmask) { - do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i); - return; - } - } - } -#endif - - for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) { - if (intStatus & bitmask) { - do_IRQ(EMMA2RH_IRQ_BASE + i); - return; - } - } - - intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_2) - & emma2rh_in32(EMMA2RH_BHIF_INT_EN_2); - - for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) { - if (intStatus & bitmask) { - do_IRQ(EMMA2RH_IRQ_BASE + i); - return; - } - } -} |