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ARM: shmobile: r8a7779: move r8a7779_init_irq_xxx() to setup

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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>
This commit is contained in:
Kuninori Morimoto 2013-08-01 23:39:56 -07:00 committed by Simon Horman
parent 70e3f3d4f4
commit 5b3859d7b2
3 changed files with 81 additions and 117 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/arm/mach-shmobile/Makefile
View file

@ -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

116
arch/arm/mach-shmobile/intc-r8a7779.c
View file

@ -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

80
arch/arm/mach-shmobile/setup-r8a7779.c
View file

@ -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 */