diff options
Diffstat (limited to 'arch/arm/mach-orion5x/irq.c')
| -rw-r--r-- | arch/arm/mach-orion5x/irq.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c index 30a192b9c517..e17727e53cb4 100644 --- a/arch/arm/mach-orion5x/irq.c +++ b/arch/arm/mach-orion5x/irq.c @@ -1,21 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * arch/arm/mach-orion5x/irq.c * * Core IRQ functions for Marvell Orion System On Chip * * Maintainer: Tzachi Perelstein <tzachi@marvell.com> - * - * 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/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 <asm/exception.h> +#include "bridge-regs.h" +#include "common.h" static int __initdata gpio0_irqs[4] = { IRQ_ORION5X_GPIO_0_7, @@ -24,13 +23,29 @@ static int __initdata gpio0_irqs[4] = { IRQ_ORION5X_GPIO_24_31, }; +static asmlinkage void +__exception_irq_entry orion5x_legacy_handle_irq(struct pt_regs *regs) +{ + u32 stat; + + stat = readl_relaxed(MAIN_IRQ_CAUSE); + stat &= readl_relaxed(MAIN_IRQ_MASK); + if (stat) { + unsigned int hwirq = 1 + __fls(stat); + handle_IRQ(hwirq, regs); + return; + } +} + void __init orion5x_init_irq(void) { - orion_irq_init(0, MAIN_IRQ_MASK); + orion_irq_init(1, MAIN_IRQ_MASK); + + set_handle_irq(orion5x_legacy_handle_irq); /* * Initialize gpiolib for GPIOs 0-31. */ - orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE, 0, + orion_gpio_init(0, 32, GPIO_VIRT_BASE, 0, IRQ_ORION5X_GPIO_START, gpio0_irqs); } |