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Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-dove/irq.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-dove/irq.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-dove/irq.c b/ANDROID_3.4.5/arch/arm/mach-dove/irq.c
deleted file mode 100644
index f07fd16e..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-dove/irq.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * arch/arm/mach-dove/irq.c
- *
- * Dove IRQ handling.
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-#include <asm/mach/arch.h>
-#include <plat/irq.h>
-#include <asm/mach/irq.h>
-#include <mach/pm.h>
-#include <mach/bridge-regs.h>
-#include "common.h"
-
-static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
-{
- int irqoff;
- BUG_ON(irq < IRQ_DOVE_GPIO_0_7 || irq > IRQ_DOVE_HIGH_GPIO);
-
- irqoff = irq <= IRQ_DOVE_GPIO_16_23 ? irq - IRQ_DOVE_GPIO_0_7 :
- 3 + irq - IRQ_DOVE_GPIO_24_31;
-
- orion_gpio_irq_handler(irqoff << 3);
- if (irq == IRQ_DOVE_HIGH_GPIO) {
- orion_gpio_irq_handler(40);
- orion_gpio_irq_handler(48);
- orion_gpio_irq_handler(56);
- }
-}
-
-static void pmu_irq_mask(struct irq_data *d)
-{
- int pin = irq_to_pmu(d->irq);
- u32 u;
-
- u = readl(PMU_INTERRUPT_MASK);
- u &= ~(1 << (pin & 31));
- writel(u, PMU_INTERRUPT_MASK);
-}
-
-static void pmu_irq_unmask(struct irq_data *d)
-{
- int pin = irq_to_pmu(d->irq);
- u32 u;
-
- u = readl(PMU_INTERRUPT_MASK);
- u |= 1 << (pin & 31);
- writel(u, PMU_INTERRUPT_MASK);
-}
-
-static void pmu_irq_ack(struct irq_data *d)
-{
- int pin = irq_to_pmu(d->irq);
- u32 u;
-
- u = ~(1 << (pin & 31));
- writel(u, PMU_INTERRUPT_CAUSE);
-}
-
-static struct irq_chip pmu_irq_chip = {
- .name = "pmu_irq",
- .irq_mask = pmu_irq_mask,
- .irq_unmask = pmu_irq_unmask,
- .irq_ack = pmu_irq_ack,
-};
-
-static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc)
-{
- unsigned long cause = readl(PMU_INTERRUPT_CAUSE);
-
- cause &= readl(PMU_INTERRUPT_MASK);
- if (cause == 0) {
- do_bad_IRQ(irq, desc);
- return;
- }
-
- for (irq = 0; irq < NR_PMU_IRQS; irq++) {
- if (!(cause & (1 << irq)))
- continue;
- irq = pmu_to_irq(irq);
- generic_handle_irq(irq);
- }
-}
-
-void __init dove_init_irq(void)
-{
- int i;
-
- orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
- orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
-
- /*
- * Initialize gpiolib for GPIOs 0-71.
- */
- orion_gpio_init(0, 32, DOVE_GPIO_LO_VIRT_BASE, 0,
- IRQ_DOVE_GPIO_START);
- irq_set_chained_handler(IRQ_DOVE_GPIO_0_7, gpio_irq_handler);
- irq_set_chained_handler(IRQ_DOVE_GPIO_8_15, gpio_irq_handler);
- irq_set_chained_handler(IRQ_DOVE_GPIO_16_23, gpio_irq_handler);
- irq_set_chained_handler(IRQ_DOVE_GPIO_24_31, gpio_irq_handler);
-
- orion_gpio_init(32, 32, DOVE_GPIO_HI_VIRT_BASE, 0,
- IRQ_DOVE_GPIO_START + 32);
- irq_set_chained_handler(IRQ_DOVE_HIGH_GPIO, gpio_irq_handler);
-
- orion_gpio_init(64, 8, DOVE_GPIO2_VIRT_BASE, 0,
- IRQ_DOVE_GPIO_START + 64);
-
- /*
- * Mask and clear PMU interrupts
- */
- writel(0, PMU_INTERRUPT_MASK);
- writel(0, PMU_INTERRUPT_CAUSE);
-
- for (i = IRQ_DOVE_PMU_START; i < NR_IRQS; i++) {
- irq_set_chip_and_handler(i, &pmu_irq_chip, handle_level_irq);
- irq_set_status_flags(i, IRQ_LEVEL);
- set_irq_flags(i, IRQF_VALID);
- }
- irq_set_chained_handler(IRQ_DOVE_PMU, pmu_irq_handler);
-}