diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-08-01 23:39:56 -0700 |
---|---|---|
committer | Simon Horman <horms+renesas@verge.net.au> | 2013-08-06 18:07:13 +0900 |
commit | 5b3859d7b2c10419e1cc7ce6c456995e757f4390 (patch) | |
tree | bc7589d62d1ca916fc80c2c94fef0bde6ed2776d | |
parent | 70e3f3d4f40fe5ecdb351acf33db06df077fb0c1 (diff) |
ARM: shmobile: r8a7779: move r8a7779_init_irq_xxx() to setup
This patch moves r8a7779_init_irq_xxx() to setup code,
and remove intc-r8a7779.
Now, r8a7779_init_irq_extpin() uses
platform_device_register_resndata() instead of
platform_device_register()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r-- | arch/arm/mach-shmobile/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/intc-r8a7779.c | 116 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7779.c | 80 |
3 files changed, 81 insertions, 117 deletions
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 74181314fde..969c3a9dde5 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -11,7 +11,7 @@ obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o clock-sh73a0.o intc-sh73a0.o obj-$(CONFIG_ARCH_R8A73A4) += setup-r8a73a4.o clock-r8a73a4.o obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o clock-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o clock-r8a7778.o -obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o intc-r8a7779.o +obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o clock-r8a7790.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o clock-emev2.o diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c deleted file mode 100644 index e992a68b3bc..00000000000 --- a/arch/arm/mach-shmobile/intc-r8a7779.c +++ /dev/null @@ -1,116 +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"); -} - -#ifdef CONFIG_OF -static int r8a7779_set_wake(struct irq_data *data, unsigned int on) -{ - return 0; /* always allow wakeup */ -} - -void __init r8a7779_init_irq_dt(void) -{ - gic_arch_extn.irq_set_wake = r8a7779_set_wake; - - irqchip_init(); - - /* 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); - -} -#endif diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index f0b6c7dea2f..6a993339543 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -22,8 +22,11 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqchip/arm-gic.h> #include <linux/of_platform.h> #include <linux/platform_data/gpio-rcar.h> +#include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/input.h> @@ -67,6 +70,60 @@ void __init r8a7779_map_io(void) iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc)); } +/* IRQ */ +#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 __initdata = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ + .sense_bitfield_width = 2, +}; + +static struct resource irqpin0_resources[] __initdata = { + 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 */ +}; + +void __init r8a7779_init_irq_extpin(int irlm) +{ + void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); + u32 tmp; + + if (!icr0) { + pr_warn("r8a7779: unable to setup external irq pin mode\n"); + return; + } + + 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_resndata( + &platform_bus, "renesas_intc_irqpin", -1, + irqpin0_resources, ARRAY_SIZE(irqpin0_resources), + &irqpin0_platform_data, sizeof(irqpin0_platform_data)); +} + +/* PFC/GPIO */ static struct resource r8a7779_pfc_resources[] = { DEFINE_RES_MEM(0xfffc0000, 0x023c), }; @@ -641,6 +698,29 @@ void __init r8a7779_init_late(void) } #ifdef CONFIG_USE_OF +static int r8a7779_set_wake(struct irq_data *data, unsigned int on) +{ + return 0; /* always allow wakeup */ +} + +void __init r8a7779_init_irq_dt(void) +{ + gic_arch_extn.irq_set_wake = r8a7779_set_wake; + + irqchip_init(); + + /* 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_delay(void) { shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */ |