diff options
Diffstat (limited to 'arch/arm/mach-iop33x/irq.c')
-rw-r--r-- | arch/arm/mach-iop33x/irq.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/arm/mach-iop33x/irq.c b/arch/arm/mach-iop33x/irq.c deleted file mode 100644 index 03ad7d3a8f49..000000000000 --- a/arch/arm/mach-iop33x/irq.c +++ /dev/null @@ -1,115 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-iop33x/irq.c - * - * Generic IOP331 IRQ handling functionality - * - * Author: Dave Jiang <dave.jiang@intel.com> - * Copyright (C) 2003 Intel Corp. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/list.h> -#include <asm/mach/irq.h> -#include <asm/irq.h> -#include <mach/hardware.h> -#include <asm/mach-types.h> - -static u32 iop33x_mask0; -static u32 iop33x_mask1; - -static void intctl0_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c0, c0, 0" : : "r" (val)); -} - -static void intctl1_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c1, c0, 0" : : "r" (val)); -} - -static void intstr0_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c2, c0, 0" : : "r" (val)); -} - -static void intstr1_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c3, c0, 0" : : "r" (val)); -} - -static void intbase_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c12, c0, 0" : : "r" (val)); -} - -static void intsize_write(u32 val) -{ - asm volatile("mcr p6, 0, %0, c13, c0, 0" : : "r" (val)); -} - -static void -iop33x_irq_mask1 (struct irq_data *d) -{ - iop33x_mask0 &= ~(1 << d->irq); - intctl0_write(iop33x_mask0); -} - -static void -iop33x_irq_mask2 (struct irq_data *d) -{ - iop33x_mask1 &= ~(1 << (d->irq - 32)); - intctl1_write(iop33x_mask1); -} - -static void -iop33x_irq_unmask1(struct irq_data *d) -{ - iop33x_mask0 |= 1 << d->irq; - intctl0_write(iop33x_mask0); -} - -static void -iop33x_irq_unmask2(struct irq_data *d) -{ - iop33x_mask1 |= (1 << (d->irq - 32)); - intctl1_write(iop33x_mask1); -} - -struct irq_chip iop33x_irqchip1 = { - .name = "IOP33x-1", - .irq_ack = iop33x_irq_mask1, - .irq_mask = iop33x_irq_mask1, - .irq_unmask = iop33x_irq_unmask1, -}; - -struct irq_chip iop33x_irqchip2 = { - .name = "IOP33x-2", - .irq_ack = iop33x_irq_mask2, - .irq_mask = iop33x_irq_mask2, - .irq_unmask = iop33x_irq_unmask2, -}; - -void __init iop33x_init_irq(void) -{ - int i; - - iop_init_cp6_handler(); - - intctl0_write(0); - intctl1_write(0); - intstr0_write(0); - intstr1_write(0); - intbase_write(0); - intsize_write(1); - if (machine_is_iq80331()) - *IOP3XX_PCIIRSR = 0x0f; - - for (i = 0; i < NR_IRQS; i++) { - irq_set_chip_and_handler(i, - (i < 32) ? &iop33x_irqchip1 : &iop33x_irqchip2, - handle_level_irq); - irq_clear_status_flags(i, IRQ_NOREQUEST | IRQ_NOPROBE); - } -} |