diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/s3c2412-irq.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/s3c2412-irq.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2412-irq.c b/arch/arm/mach-s3c2410/s3c2412-irq.c deleted file mode 100644 index ffcc30b23a8..00000000000 --- a/arch/arm/mach-s3c2410/s3c2412-irq.c +++ /dev/null @@ -1,133 +0,0 @@ -/* linux/arch/arm/mach-s3c2412/s3c2412-irq.c - * - * Copyright (c) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * 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/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/ptrace.h> -#include <linux/sysdev.h> - -#include <asm/hardware.h> -#include <asm/irq.h> -#include <asm/io.h> - -#include <asm/mach/irq.h> - -#include <asm/arch/regs-irq.h> -#include <asm/arch/regs-gpio.h> - -#include "cpu.h" -#include "irq.h" -#include "pm.h" - -/* the s3c2412 changes the behaviour of IRQ_EINT0 through IRQ_EINT3 by - * having them turn up in both the INT* and the EINT* registers. Whilst - * both show the status, they both now need to be acked when the IRQs - * go off. -*/ - -static void -s3c2412_irq_mask(unsigned int irqno) -{ - unsigned long bitval = 1UL << (irqno - IRQ_EINT0); - unsigned long mask; - - mask = __raw_readl(S3C2410_INTMSK); - __raw_writel(mask | bitval, S3C2410_INTMSK); - - mask = __raw_readl(S3C2412_EINTMASK); - __raw_writel(mask | bitval, S3C2412_EINTMASK); -} - -static inline void -s3c2412_irq_ack(unsigned int irqno) -{ - unsigned long bitval = 1UL << (irqno - IRQ_EINT0); - - __raw_writel(bitval, S3C2412_EINTPEND); - __raw_writel(bitval, S3C2410_SRCPND); - __raw_writel(bitval, S3C2410_INTPND); -} - -static inline void -s3c2412_irq_maskack(unsigned int irqno) -{ - unsigned long bitval = 1UL << (irqno - IRQ_EINT0); - unsigned long mask; - - mask = __raw_readl(S3C2410_INTMSK); - __raw_writel(mask|bitval, S3C2410_INTMSK); - - mask = __raw_readl(S3C2412_EINTMASK); - __raw_writel(mask | bitval, S3C2412_EINTMASK); - - __raw_writel(bitval, S3C2412_EINTPEND); - __raw_writel(bitval, S3C2410_SRCPND); - __raw_writel(bitval, S3C2410_INTPND); -} - -static void -s3c2412_irq_unmask(unsigned int irqno) -{ - unsigned long bitval = 1UL << (irqno - IRQ_EINT0); - unsigned long mask; - - mask = __raw_readl(S3C2412_EINTMASK); - __raw_writel(mask & ~bitval, S3C2412_EINTMASK); - - mask = __raw_readl(S3C2410_INTMSK); - __raw_writel(mask & ~bitval, S3C2410_INTMSK); -} - -static struct irq_chip s3c2412_irq_eint0t4 = { - .ack = s3c2412_irq_ack, - .mask = s3c2412_irq_mask, - .unmask = s3c2412_irq_unmask, - .set_wake = s3c_irq_wake, - .set_type = s3c_irqext_type, -}; - -static int s3c2412_irq_add(struct sys_device *sysdev) -{ - unsigned int irqno; - - for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) { - set_irq_chip(irqno, &s3c2412_irq_eint0t4); - set_irq_handler(irqno, handle_edge_irq); - set_irq_flags(irqno, IRQF_VALID); - } - - return 0; -} - -static struct sysdev_driver s3c2412_irq_driver = { - .add = s3c2412_irq_add, - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, -}; - -static int s3c2412_irq_init(void) -{ - return sysdev_driver_register(&s3c2412_sysclass, &s3c2412_irq_driver); -} - -arch_initcall(s3c2412_irq_init); |