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Diffstat (limited to 'arch/arm/mach-kirkwood/irq.c')
-rw-r--r--arch/arm/mach-kirkwood/irq.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c
deleted file mode 100644
index 2c47a8ad0e27..000000000000
--- a/arch/arm/mach-kirkwood/irq.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/irq.c
- *
- * Kirkwood 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 <asm/exception.h>
-#include <linux/gpio.h>
-#include <linux/kernel.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <mach/bridge-regs.h>
-#include <plat/orion-gpio.h>
-#include <plat/irq.h>
-#include "common.h"
-
-static int __initdata gpio0_irqs[4] = {
- IRQ_KIRKWOOD_GPIO_LOW_0_7,
- IRQ_KIRKWOOD_GPIO_LOW_8_15,
- IRQ_KIRKWOOD_GPIO_LOW_16_23,
- IRQ_KIRKWOOD_GPIO_LOW_24_31,
-};
-
-static int __initdata gpio1_irqs[4] = {
- IRQ_KIRKWOOD_GPIO_HIGH_0_7,
- IRQ_KIRKWOOD_GPIO_HIGH_8_15,
- IRQ_KIRKWOOD_GPIO_HIGH_16_23,
- 0,
-};
-
-#ifdef CONFIG_MULTI_IRQ_HANDLER
-/*
- * Compiling with both non-DT and DT support enabled, will
- * break asm irq handler used by non-DT boards. Therefore,
- * we provide a C-style irq handler even for non-DT boards,
- * if MULTI_IRQ_HANDLER is set.
- */
-
-static void __iomem *kirkwood_irq_base = IRQ_VIRT_BASE;
-
-asmlinkage void
-__exception_irq_entry kirkwood_legacy_handle_irq(struct pt_regs *regs)
-{
- u32 stat;
-
- stat = readl_relaxed(kirkwood_irq_base + IRQ_CAUSE_LOW_OFF);
- stat &= readl_relaxed(kirkwood_irq_base + IRQ_MASK_LOW_OFF);
- if (stat) {
- unsigned int hwirq = __fls(stat);
- handle_IRQ(hwirq, regs);
- return;
- }
- stat = readl_relaxed(kirkwood_irq_base + IRQ_CAUSE_HIGH_OFF);
- stat &= readl_relaxed(kirkwood_irq_base + IRQ_MASK_HIGH_OFF);
- if (stat) {
- unsigned int hwirq = 32 + __fls(stat);
- handle_IRQ(hwirq, regs);
- return;
- }
-}
-#endif
-
-void __init kirkwood_init_irq(void)
-{
- orion_irq_init(0, IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF);
- orion_irq_init(32, IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF);
-
-#ifdef CONFIG_MULTI_IRQ_HANDLER
- set_handle_irq(kirkwood_legacy_handle_irq);
-#endif
-
- /*
- * Initialize gpiolib for GPIOs 0-49.
- */
- orion_gpio_init(NULL, 0, 32, GPIO_LOW_VIRT_BASE, 0,
- IRQ_KIRKWOOD_GPIO_START, gpio0_irqs);
- orion_gpio_init(NULL, 32, 18, GPIO_HIGH_VIRT_BASE, 0,
- IRQ_KIRKWOOD_GPIO_START + 32, gpio1_irqs);
-}