diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/irq.c')
-rw-r--r-- | arch/arm/mach-kirkwood/irq.c | 82 |
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); -} |