diff options
Diffstat (limited to 'arch/arm/mach-lh7a40x/irq-lh7a404.c')
| -rw-r--r-- | arch/arm/mach-lh7a40x/irq-lh7a404.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/arch/arm/mach-lh7a40x/irq-lh7a404.c b/arch/arm/mach-lh7a40x/irq-lh7a404.c deleted file mode 100644 index 14b17338957..00000000000 --- a/arch/arm/mach-lh7a40x/irq-lh7a404.c +++ /dev/null @@ -1,175 +0,0 @@ -/* arch/arm/mach-lh7a40x/irq-lh7a404.c - * - * Copyright (C) 2004 Logic Product Development - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/mach/irq.h> -#include <mach/irqs.h> - -#include "common.h" - -#define USE_PRIORITIES - -/* See Documentation/arm/Sharp-LH/VectoredInterruptController for more - * information on using the vectored interrupt controller's - * prioritizing feature. */ - -static unsigned char irq_pri_vic1[] = { -#if defined (USE_PRIORITIES) - IRQ_GPIO3INTR, /* CPLD */ - IRQ_DMAM2P4, IRQ_DMAM2P5, /* AC97 */ -#endif -}; -static unsigned char irq_pri_vic2[] = { -#if defined (USE_PRIORITIES) - IRQ_T3UI, /* Timer */ - IRQ_GPIO7INTR, /* CPLD */ - IRQ_UART1INTR, IRQ_UART2INTR, IRQ_UART3INTR, - IRQ_LCDINTR, /* LCD */ - IRQ_TSCINTR, /* ADC/Touchscreen */ -#endif -}; - - /* CPU IRQ handling */ - -static void lh7a404_vic1_mask_irq(struct irq_data *d) -{ - VIC1_INTENCLR = (1 << d->irq); -} - -static void lh7a404_vic1_unmask_irq(struct irq_data *d) -{ - VIC1_INTEN = (1 << d->irq); -} - -static void lh7a404_vic2_mask_irq(struct irq_data *d) -{ - VIC2_INTENCLR = (1 << (d->irq - 32)); -} - -static void lh7a404_vic2_unmask_irq(struct irq_data *d) -{ - VIC2_INTEN = (1 << (d->irq - 32)); -} - -static void lh7a404_vic1_ack_gpio_irq(struct irq_data *d) -{ - GPIO_GPIOFEOI = (1 << IRQ_TO_GPIO (d->irq)); - VIC1_INTENCLR = (1 << d->irq); -} - -static void lh7a404_vic2_ack_gpio_irq(struct irq_data *d) -{ - GPIO_GPIOFEOI = (1 << IRQ_TO_GPIO (d->irq)); - VIC2_INTENCLR = (1 << d->irq); -} - -static struct irq_chip lh7a404_vic1_chip = { - .name = "VIC1", - .irq_ack = lh7a404_vic1_mask_irq, /* Because level-triggered */ - .irq_mask = lh7a404_vic1_mask_irq, - .irq_unmask = lh7a404_vic1_unmask_irq, -}; - -static struct irq_chip lh7a404_vic2_chip = { - .name = "VIC2", - .irq_ack = lh7a404_vic2_mask_irq, /* Because level-triggered */ - .irq_mask = lh7a404_vic2_mask_irq, - .irq_unmask = lh7a404_vic2_unmask_irq, -}; - -static struct irq_chip lh7a404_gpio_vic1_chip = { - .name = "GPIO-VIC1", - .irq_ack = lh7a404_vic1_ack_gpio_irq, - .irq_mask = lh7a404_vic1_mask_irq, - .irq_unmask = lh7a404_vic1_unmask_irq, -}; - -static struct irq_chip lh7a404_gpio_vic2_chip = { - .name = "GPIO-VIC2", - .irq_ack = lh7a404_vic2_ack_gpio_irq, - .irq_mask = lh7a404_vic2_mask_irq, - .irq_unmask = lh7a404_vic2_unmask_irq, -}; - - /* IRQ initialization */ - -#if defined (CONFIG_ARCH_LH7A400) && defined (CONFIG_ARCH_LH7A404) -extern void* branch_irq_lh7a400; -#endif - -void __init lh7a404_init_irq (void) -{ - int irq; - -#if defined (CONFIG_ARCH_LH7A400) && defined (CONFIG_ARCH_LH7A404) -#define NOP 0xe1a00000 /* mov r0, r0 */ - branch_irq_lh7a400 = NOP; -#endif - - VIC1_INTENCLR = 0xffffffff; - VIC2_INTENCLR = 0xffffffff; - VIC1_INTSEL = 0; /* All IRQs */ - VIC2_INTSEL = 0; /* All IRQs */ - VIC1_NVADDR = VA_VIC1DEFAULT; - VIC2_NVADDR = VA_VIC2DEFAULT; - VIC1_VECTADDR = 0; - VIC2_VECTADDR = 0; - - GPIO_GPIOFINTEN = 0x00; /* Disable all GPIOF interrupts */ - barrier (); - - /* Install prioritized interrupts, if there are any. */ - /* The | 0x20*/ - for (irq = 0; irq < 16; ++irq) { - (&VIC1_VAD0)[irq] - = (irq < ARRAY_SIZE (irq_pri_vic1)) - ? (irq_pri_vic1[irq] | VA_VECTORED) : 0; - (&VIC1_VECTCNTL0)[irq] - = (irq < ARRAY_SIZE (irq_pri_vic1)) - ? (irq_pri_vic1[irq] | VIC_CNTL_ENABLE) : 0; - (&VIC2_VAD0)[irq] - = (irq < ARRAY_SIZE (irq_pri_vic2)) - ? (irq_pri_vic2[irq] | VA_VECTORED) : 0; - (&VIC2_VECTCNTL0)[irq] - = (irq < ARRAY_SIZE (irq_pri_vic2)) - ? (irq_pri_vic2[irq] | VIC_CNTL_ENABLE) : 0; - } - - for (irq = 0; irq < NR_IRQS; ++irq) { - switch (irq) { - case IRQ_GPIO0INTR: - case IRQ_GPIO1INTR: - case IRQ_GPIO2INTR: - case IRQ_GPIO3INTR: - case IRQ_GPIO4INTR: - case IRQ_GPIO5INTR: - case IRQ_GPIO6INTR: - case IRQ_GPIO7INTR: - set_irq_chip (irq, irq < 32 - ? &lh7a404_gpio_vic1_chip - : &lh7a404_gpio_vic2_chip); - set_irq_handler (irq, handle_level_irq); /* OK default */ - break; - default: - set_irq_chip (irq, irq < 32 - ? &lh7a404_vic1_chip - : &lh7a404_vic2_chip); - set_irq_handler (irq, handle_level_irq); - } - set_irq_flags (irq, IRQF_VALID); - } - - lh7a40x_init_board_irq (); -} |