diff options
Diffstat (limited to 'arch/arm/mach-bcmring/irq.c')
-rw-r--r-- | arch/arm/mach-bcmring/irq.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/arch/arm/mach-bcmring/irq.c b/arch/arm/mach-bcmring/irq.c deleted file mode 100644 index 437fa683bcb..00000000000 --- a/arch/arm/mach-bcmring/irq.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * - * Copyright (C) 1999 ARM Limited - * - * 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/stddef.h> -#include <linux/list.h> -#include <linux/timer.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/irq.h> - -#include <asm/mach/irq.h> -#include <mach/csp/intcHw_reg.h> -#include <mach/csp/mm_io.h> - -static void bcmring_mask_irq0(struct irq_data *d) -{ - writel(1 << (d->irq - IRQ_INTC0_START), - MM_IO_BASE_INTC0 + INTCHW_INTENCLEAR); -} - -static void bcmring_unmask_irq0(struct irq_data *d) -{ - writel(1 << (d->irq - IRQ_INTC0_START), - MM_IO_BASE_INTC0 + INTCHW_INTENABLE); -} - -static void bcmring_mask_irq1(struct irq_data *d) -{ - writel(1 << (d->irq - IRQ_INTC1_START), - MM_IO_BASE_INTC1 + INTCHW_INTENCLEAR); -} - -static void bcmring_unmask_irq1(struct irq_data *d) -{ - writel(1 << (d->irq - IRQ_INTC1_START), - MM_IO_BASE_INTC1 + INTCHW_INTENABLE); -} - -static void bcmring_mask_irq2(struct irq_data *d) -{ - writel(1 << (d->irq - IRQ_SINTC_START), - MM_IO_BASE_SINTC + INTCHW_INTENCLEAR); -} - -static void bcmring_unmask_irq2(struct irq_data *d) -{ - writel(1 << (d->irq - IRQ_SINTC_START), - MM_IO_BASE_SINTC + INTCHW_INTENABLE); -} - -static struct irq_chip bcmring_irq0_chip = { - .name = "ARM-INTC0", - .irq_ack = bcmring_mask_irq0, - .irq_mask = bcmring_mask_irq0, /* mask a specific interrupt, blocking its delivery. */ - .irq_unmask = bcmring_unmask_irq0, /* unmaks an interrupt */ -}; - -static struct irq_chip bcmring_irq1_chip = { - .name = "ARM-INTC1", - .irq_ack = bcmring_mask_irq1, - .irq_mask = bcmring_mask_irq1, - .irq_unmask = bcmring_unmask_irq1, -}; - -static struct irq_chip bcmring_irq2_chip = { - .name = "ARM-SINTC", - .irq_ack = bcmring_mask_irq2, - .irq_mask = bcmring_mask_irq2, - .irq_unmask = bcmring_unmask_irq2, -}; - -static void vic_init(void __iomem *base, struct irq_chip *chip, - unsigned int irq_start, unsigned int vic_sources) -{ - unsigned int i; - for (i = 0; i < 32; i++) { - unsigned int irq = irq_start + i; - irq_set_chip(irq, chip); - irq_set_chip_data(irq, base); - - if (vic_sources & (1 << i)) { - irq_set_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); - } - } - writel(0, base + INTCHW_INTSELECT); - writel(0, base + INTCHW_INTENABLE); - writel(~0, base + INTCHW_INTENCLEAR); - writel(0, base + INTCHW_IRQSTATUS); - writel(~0, base + INTCHW_SOFTINTCLEAR); -} - -void __init bcmring_init_irq(void) -{ - vic_init((void __iomem *)MM_IO_BASE_INTC0, &bcmring_irq0_chip, - IRQ_INTC0_START, IRQ_INTC0_VALID_MASK); - vic_init((void __iomem *)MM_IO_BASE_INTC1, &bcmring_irq1_chip, - IRQ_INTC1_START, IRQ_INTC1_VALID_MASK); - vic_init((void __iomem *)MM_IO_BASE_SINTC, &bcmring_irq2_chip, - IRQ_SINTC_START, IRQ_SINTC_VALID_MASK); - - /* special cases */ - if (INTCHW_INTC1_GPIO0 & IRQ_INTC1_VALID_MASK) { - irq_set_handler(IRQ_GPIO0, handle_simple_irq); - } - if (INTCHW_INTC1_GPIO1 & IRQ_INTC1_VALID_MASK) { - irq_set_handler(IRQ_GPIO1, handle_simple_irq); - } -} |