diff options
Diffstat (limited to 'arch/arm/mach-shmobile/intc-r8a7779.c')
| -rw-r--r-- | arch/arm/mach-shmobile/intc-r8a7779.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c deleted file mode 100644 index 5f9e5dc0238b..000000000000 --- a/arch/arm/mach-shmobile/intc-r8a7779.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * r8a7779 processor support - INTC hardware block - * - * Copyright (C) 2011 Renesas Solutions Corp. - * Copyright (C) 2011 Magnus Damm - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/irqchip/arm-gic.h> -#include <linux/platform_data/irq-renesas-intc-irqpin.h> -#include <linux/irqchip.h> -#include <mach/common.h> -#include <mach/irqs.h> -#include <mach/r8a7779.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#define INT2SMSKCR0 IOMEM(0xfe7822a0) -#define INT2SMSKCR1 IOMEM(0xfe7822a4) -#define INT2SMSKCR2 IOMEM(0xfe7822a8) -#define INT2SMSKCR3 IOMEM(0xfe7822ac) -#define INT2SMSKCR4 IOMEM(0xfe7822b0) - -#define INT2NTSR0 IOMEM(0xfe700060) -#define INT2NTSR1 IOMEM(0xfe700064) - -static struct renesas_intc_irqpin_config irqpin0_platform_data = { - .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ - .sense_bitfield_width = 2, -}; - -static struct resource irqpin0_resources[] = { - DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */ - DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */ - DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */ - DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */ - DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */ - DEFINE_RES_IRQ(gic_spi(27)), /* IRQ0 */ - DEFINE_RES_IRQ(gic_spi(28)), /* IRQ1 */ - DEFINE_RES_IRQ(gic_spi(29)), /* IRQ2 */ - DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ -}; - -static struct platform_device irqpin0_device = { - .name = "renesas_intc_irqpin", - .id = 0, - .resource = irqpin0_resources, - .num_resources = ARRAY_SIZE(irqpin0_resources), - .dev = { - .platform_data = &irqpin0_platform_data, - }, -}; - -void __init r8a7779_init_irq_extpin(int irlm) -{ - void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); - unsigned long tmp; - - if (icr0) { - tmp = ioread32(icr0); - if (irlm) - tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */ - else - tmp &= ~(1 << 23); /* IRL mode - not supported */ - tmp |= (1 << 21); /* LVLMODE = 1 */ - iowrite32(tmp, icr0); - iounmap(icr0); - - if (irlm) - platform_device_register(&irqpin0_device); - } else - pr_warn("r8a7779: unable to setup external irq pin mode\n"); -} - -static int r8a7779_set_wake(struct irq_data *data, unsigned int on) -{ - return 0; /* always allow wakeup */ -} - -static void __init r8a7779_init_irq_common(void) -{ - gic_arch_extn.irq_set_wake = r8a7779_set_wake; - - /* route all interrupts to ARM */ - __raw_writel(0xffffffff, INT2NTSR0); - __raw_writel(0x3fffffff, INT2NTSR1); - - /* unmask all known interrupts in INTCS2 */ - __raw_writel(0xfffffff0, INT2SMSKCR0); - __raw_writel(0xfff7ffff, INT2SMSKCR1); - __raw_writel(0xfffbffdf, INT2SMSKCR2); - __raw_writel(0xbffffffc, INT2SMSKCR3); - __raw_writel(0x003fee3f, INT2SMSKCR4); -} - -void __init r8a7779_init_irq(void) -{ - void __iomem *gic_dist_base = IOMEM(0xf0001000); - void __iomem *gic_cpu_base = IOMEM(0xf0000100); - - /* use GIC to handle interrupts */ - gic_init(0, 29, gic_dist_base, gic_cpu_base); - - r8a7779_init_irq_common(); -} - -#ifdef CONFIG_OF -void __init r8a7779_init_irq_dt(void) -{ - irqchip_init(); - r8a7779_init_irq_common(); -} -#endif |