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-rw-r--r--drivers/clocksource/Kconfig6
-rw-r--r--drivers/clocksource/Makefile2
-rw-r--r--drivers/clocksource/bcm2835_timer.c6
-rw-r--r--drivers/clocksource/clksrc-of.c35
-rw-r--r--drivers/clocksource/cs5535-clockevt.c11
-rw-r--r--drivers/clocksource/dw_apb_timer_of.c6
-rw-r--r--drivers/clocksource/nomadik-mtu.c33
-rw-r--r--drivers/clocksource/sunxi_timer.c17
-rw-r--r--drivers/clocksource/tcb_clksrc.c7
-rw-r--r--drivers/clocksource/vt8500_timer.c179
-rw-r--r--drivers/irqchip/Kconfig27
-rw-r--r--drivers/irqchip/Makefile6
-rw-r--r--drivers/irqchip/irq-gic.c824
-rw-r--r--drivers/irqchip/irq-vic.c489
-rw-r--r--drivers/irqchip/irqchip.c30
-rw-r--r--drivers/irqchip/irqchip.h29
-rw-r--r--drivers/irqchip/spear-shirq.c5
-rw-r--r--drivers/mfd/db8500-prcmu.c2
-rw-r--r--drivers/mtd/nand/fsmc_nand.c1
-rw-r--r--drivers/pinctrl/pinctrl-nomadik.c4
20 files changed, 1665 insertions, 54 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 7fdcbd3f4da..7d978c1bd52 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -1,3 +1,6 @@
+config CLKSRC_OF
+ bool
+
config CLKSRC_I8253
bool
@@ -25,6 +28,9 @@ config ARMADA_370_XP_TIMER
config SUNXI_TIMER
bool
+config VT8500_TIMER
+ bool
+
config CLKSRC_NOMADIK_MTU
bool
depends on (ARCH_NOMADIK || ARCH_U8500)
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index f93453d0167..440449c1ca2 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -1,3 +1,4 @@
+obj-$(CONFIG_CLKSRC_OF) += clksrc-of.o
obj-$(CONFIG_ATMEL_TCB_CLKSRC) += tcb_clksrc.o
obj-$(CONFIG_X86_CYCLONE_TIMER) += cyclone.o
obj-$(CONFIG_X86_PM_TIMER) += acpi_pm.o
@@ -16,5 +17,6 @@ obj-$(CONFIG_CLKSRC_DBX500_PRCMU) += clksrc-dbx500-prcmu.o
obj-$(CONFIG_ARMADA_370_XP_TIMER) += time-armada-370-xp.o
obj-$(CONFIG_ARCH_BCM2835) += bcm2835_timer.o
obj-$(CONFIG_SUNXI_TIMER) += sunxi_timer.o
+obj-$(CONFIG_VT8500_TIMER) += vt8500_timer.o
obj-$(CONFIG_CLKSRC_ARM_GENERIC) += arm_generic.o
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index bc19f12c20c..7f796d8f750 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -101,7 +101,7 @@ static struct of_device_id bcm2835_time_match[] __initconst = {
{}
};
-static void __init bcm2835_time_init(void)
+void __init bcm2835_timer_init(void)
{
struct device_node *node;
void __iomem *base;
@@ -155,7 +155,3 @@ static void __init bcm2835_time_init(void)
pr_info("bcm2835: system timer (irq = %d)\n", irq);
}
-
-struct sys_timer bcm2835_timer = {
- .init = bcm2835_time_init,
-};
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
new file mode 100644
index 00000000000..bdabdaa8d00
--- /dev/null
+++ b/drivers/clocksource/clksrc-of.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/init.h>
+#include <linux/of.h>
+
+extern struct of_device_id __clksrc_of_table[];
+
+static const struct of_device_id __clksrc_of_table_sentinel
+ __used __section(__clksrc_of_table_end);
+
+void __init clocksource_of_init(void)
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ void (*init_func)(void);
+
+ for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
+ init_func = match->data;
+ init_func();
+ }
+}
diff --git a/drivers/clocksource/cs5535-clockevt.c b/drivers/clocksource/cs5535-clockevt.c
index d9279385304..ea210482dd2 100644
--- a/drivers/clocksource/cs5535-clockevt.c
+++ b/drivers/clocksource/cs5535-clockevt.c
@@ -100,7 +100,6 @@ static struct clock_event_device cs5535_clockevent = {
.set_mode = mfgpt_set_mode,
.set_next_event = mfgpt_next_event,
.rating = 250,
- .shift = 32
};
static irqreturn_t mfgpt_tick(int irq, void *dev_id)
@@ -169,17 +168,11 @@ static int __init cs5535_mfgpt_init(void)
cs5535_mfgpt_write(cs5535_event_clock, MFGPT_REG_SETUP, val);
/* Set up the clock event */
- cs5535_clockevent.mult = div_sc(MFGPT_HZ, NSEC_PER_SEC,
- cs5535_clockevent.shift);
- cs5535_clockevent.min_delta_ns = clockevent_delta2ns(0xF,
- &cs5535_clockevent);
- cs5535_clockevent.max_delta_ns = clockevent_delta2ns(0xFFFE,
- &cs5535_clockevent);
-
printk(KERN_INFO DRV_NAME
": Registering MFGPT timer as a clock event, using IRQ %d\n",
timer_irq);
- clockevents_register_device(&cs5535_clockevent);
+ clockevents_config_and_register(&cs5535_clockevent, MFGPT_HZ,
+ 0xF, 0xFFFE);
return 0;
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index f7dba5b79b4..ab09ed3742e 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -107,7 +107,7 @@ static const struct of_device_id osctimer_ids[] __initconst = {
{},
};
-static void __init timer_init(void)
+void __init dw_apb_timer_init(void)
{
struct device_node *event_timer, *source_timer;
@@ -125,7 +125,3 @@ static void __init timer_init(void)
init_sched_clock();
}
-
-struct sys_timer dw_apb_timer = {
- .init = timer_init,
-};
diff --git a/drivers/clocksource/nomadik-mtu.c b/drivers/clocksource/nomadik-mtu.c
index 8914c3c1c88..025afc6dd32 100644
--- a/drivers/clocksource/nomadik-mtu.c
+++ b/drivers/clocksource/nomadik-mtu.c
@@ -134,12 +134,32 @@ static void nmdk_clkevt_mode(enum clock_event_mode mode,
}
}
+void nmdk_clksrc_reset(void)
+{
+ /* Disable */
+ writel(0, mtu_base + MTU_CR(0));
+
+ /* ClockSource: configure load and background-load, and fire it up */
+ writel(nmdk_cycle, mtu_base + MTU_LR(0));
+ writel(nmdk_cycle, mtu_base + MTU_BGLR(0));
+
+ writel(clk_prescale | MTU_CRn_32BITS | MTU_CRn_ENA,
+ mtu_base + MTU_CR(0));
+}
+
+static void nmdk_clkevt_resume(struct clock_event_device *cedev)
+{
+ nmdk_clkevt_reset();
+ nmdk_clksrc_reset();
+}
+
static struct clock_event_device nmdk_clkevt = {
.name = "mtu_1",
.features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC,
.rating = 200,
.set_mode = nmdk_clkevt_mode,
.set_next_event = nmdk_clkevt_next,
+ .resume = nmdk_clkevt_resume,
};
/*
@@ -161,19 +181,6 @@ static struct irqaction nmdk_timer_irq = {
.dev_id = &nmdk_clkevt,
};
-void nmdk_clksrc_reset(void)
-{
- /* Disable */
- writel(0, mtu_base + MTU_CR(0));
-
- /* ClockSource: configure load and background-load, and fire it up */
- writel(nmdk_cycle, mtu_base + MTU_LR(0));
- writel(nmdk_cycle, mtu_base + MTU_BGLR(0));
-
- writel(clk_prescale | MTU_CRn_32BITS | MTU_CRn_ENA,
- mtu_base + MTU_CR(0));
-}
-
void __init nmdk_timer_init(void __iomem *base, int irq)
{
unsigned long rate;
diff --git a/drivers/clocksource/sunxi_timer.c b/drivers/clocksource/sunxi_timer.c
index 3cd1bd3d7ae..0ce85e29769 100644
--- a/drivers/clocksource/sunxi_timer.c
+++ b/drivers/clocksource/sunxi_timer.c
@@ -74,7 +74,6 @@ static int sunxi_clkevt_next_event(unsigned long evt,
static struct clock_event_device sunxi_clockevent = {
.name = "sunxi_tick",
- .shift = 32,
.rating = 300,
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = sunxi_clkevt_mode,
@@ -104,7 +103,7 @@ static struct of_device_id sunxi_timer_dt_ids[] = {
{ }
};
-static void __init sunxi_timer_init(void)
+void __init sunxi_timer_init(void)
{
struct device_node *node;
unsigned long rate = 0;
@@ -154,18 +153,8 @@ static void __init sunxi_timer_init(void)
val = readl(timer_base + TIMER_CTL_REG);
writel(val | TIMER_CTL_ENABLE, timer_base + TIMER_CTL_REG);
- sunxi_clockevent.mult = div_sc(rate / TIMER_SCAL,
- NSEC_PER_SEC,
- sunxi_clockevent.shift);
- sunxi_clockevent.max_delta_ns = clockevent_delta2ns(0xff,
- &sunxi_clockevent);
- sunxi_clockevent.min_delta_ns = clockevent_delta2ns(0x1,
- &sunxi_clockevent);
sunxi_clockevent.cpumask = cpumask_of(0);
- clockevents_register_device(&sunxi_clockevent);
+ clockevents_config_and_register(&sunxi_clockevent, rate / TIMER_SCAL,
+ 0x1, 0xff);
}
-
-struct sys_timer sunxi_timer = {
- .init = sunxi_timer_init,
-};
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c
index 32cb929b8eb..8a6187225dd 100644
--- a/drivers/clocksource/tcb_clksrc.c
+++ b/drivers/clocksource/tcb_clksrc.c
@@ -157,7 +157,6 @@ static struct tc_clkevt_device clkevt = {
.name = "tc_clkevt",
.features = CLOCK_EVT_FEAT_PERIODIC
| CLOCK_EVT_FEAT_ONESHOT,
- .shift = 32,
/* Should be lower than at91rm9200's system timer */
.rating = 125,
.set_next_event = tc_next_event,
@@ -196,13 +195,9 @@ static void __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx)
timer_clock = clk32k_divisor_idx;
- clkevt.clkevt.mult = div_sc(32768, NSEC_PER_SEC, clkevt.clkevt.shift);
- clkevt.clkevt.max_delta_ns
- = clockevent_delta2ns(0xffff, &clkevt.clkevt);
- clkevt.clkevt.min_delta_ns = clockevent_delta2ns(1, &clkevt.clkevt) + 1;
clkevt.clkevt.cpumask = cpumask_of(0);
- clockevents_register_device(&clkevt.clkevt);
+ clockevents_config_and_register(&clkevt.clkevt, 32768, 1, 0xffff);
setup_irq(irq, &tc_irqaction);
}
diff --git a/drivers/clocksource/vt8500_timer.c b/drivers/clocksource/vt8500_timer.c
new file mode 100644
index 00000000000..ed66cf07d3c
--- /dev/null
+++ b/drivers/clocksource/vt8500_timer.c
@@ -0,0 +1,179 @@
+/*
+ * arch/arm/mach-vt8500/timer.c
+ *
+ * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
+ * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * This file is copied and modified from the original timer.c provided by
+ * Alexey Charkov. Minor changes have been made for Device Tree Support.
+ */
+
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/clocksource.h>
+#include <linux/clockchips.h>
+#include <linux/delay.h>
+#include <asm/mach/time.h>
+
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+
+#define VT8500_TIMER_OFFSET 0x0100
+#define VT8500_TIMER_HZ 3000000
+#define TIMER_MATCH_VAL 0x0000
+#define TIMER_COUNT_VAL 0x0010
+#define TIMER_STATUS_VAL 0x0014
+#define TIMER_IER_VAL 0x001c /* interrupt enable */
+#define TIMER_CTRL_VAL 0x0020
+#define TIMER_AS_VAL 0x0024 /* access status */
+#define TIMER_COUNT_R_ACTIVE (1 << 5) /* not ready for read */
+#define TIMER_COUNT_W_ACTIVE (1 << 4) /* not ready for write */
+#define TIMER_MATCH_W_ACTIVE (1 << 0) /* not ready for write */
+
+#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
+
+static void __iomem *regbase;
+
+static cycle_t vt8500_timer_read(struct clocksource *cs)
+{
+ int loops = msecs_to_loops(10);
+ writel(3, regbase + TIMER_CTRL_VAL);
+ while ((readl((regbase + TIMER_AS_VAL)) & TIMER_COUNT_R_ACTIVE)
+ && --loops)
+ cpu_relax();
+ return readl(regbase + TIMER_COUNT_VAL);
+}
+
+static struct clocksource clocksource = {
+ .name = "vt8500_timer",
+ .rating = 200,
+ .read = vt8500_timer_read,
+ .mask = CLOCKSOURCE_MASK(32),
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static int vt8500_timer_set_next_event(unsigned long cycles,
+ struct clock_event_device *evt)
+{
+ int loops = msecs_to_loops(10);
+ cycle_t alarm = clocksource.read(&clocksource) + cycles;
+ while ((readl(regbase + TIMER_AS_VAL) & TIMER_MATCH_W_ACTIVE)
+ && --loops)
+ cpu_relax();
+ writel((unsigned long)alarm, regbase + TIMER_MATCH_VAL);
+
+ if ((signed)(alarm - clocksource.read(&clocksource)) <= 16)
+ return -ETIME;
+
+ writel(1, regbase + TIMER_IER_VAL);
+
+ return 0;
+}
+
+static void vt8500_timer_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *evt)
+{
+ switch (mode) {
+ case CLOCK_EVT_MODE_RESUME:
+ case CLOCK_EVT_MODE_PERIODIC:
+ break;
+ case CLOCK_EVT_MODE_ONESHOT:
+ case CLOCK_EVT_MODE_UNUSED:
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ writel(readl(regbase + TIMER_CTRL_VAL) | 1,
+ regbase + TIMER_CTRL_VAL);
+ writel(0, regbase + TIMER_IER_VAL);
+ break;
+ }
+}
+
+static struct clock_event_device clockevent = {
+ .name = "vt8500_timer",
+ .features = CLOCK_EVT_FEAT_ONESHOT,
+ .rating = 200,
+ .set_next_event = vt8500_timer_set_next_event,
+ .set_mode = vt8500_timer_set_mode,
+};
+
+static irqreturn_t vt8500_timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = dev_id;
+ writel(0xf, regbase + TIMER_STATUS_VAL);
+ evt->event_handler(evt);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction irq = {
+ .name = "vt8500_timer",
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .handler = vt8500_timer_interrupt,
+ .dev_id = &clockevent,
+};
+
+static struct of_device_id vt8500_timer_ids[] = {
+ { .compatible = "via,vt8500-timer" },
+ { }
+};
+
+void __init vt8500_timer_init(void)
+{
+ struct device_node *np;
+ int timer_irq;
+
+ np = of_find_matching_node(NULL, vt8500_timer_ids);
+ if (!np) {
+ pr_err("%s: Timer description missing from Device Tree\n",
+ __func__);
+ return;
+ }
+ regbase = of_iomap(np, 0);
+ if (!regbase) {
+ pr_err("%s: Missing iobase description in Device Tree\n",
+ __func__);
+ of_node_put(np);
+ return;
+ }
+ timer_irq = irq_of_parse_and_map(np, 0);
+ if (!timer_irq) {
+ pr_err("%s: Missing irq description in Device Tree\n",
+ __func__);
+ of_node_put(np);
+ return;
+ }
+
+ writel(1, regbase + TIMER_CTRL_VAL);
+ writel(0xf, regbase + TIMER_STATUS_VAL);
+ writel(~0, regbase + TIMER_MATCH_VAL);
+
+ if (clocksource_register_hz(&clocksource, VT8500_TIMER_HZ))
+ pr_err("%s: vt8500_timer_init: clocksource_register failed for %s\n",
+ __func__, clocksource.name);
+
+ clockevent.cpumask = cpumask_of(0);
+
+ if (setup_irq(timer_irq, &irq))
+ pr_err("%s: setup_irq failed for %s\n", __func__,
+ clockevent.name);
+ clockevents_config_and_register(&clockevent, VT8500_TIMER_HZ,
+ 4, 0xf0000000);
+}
+
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 62ca575701d..a350969e5ef 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -1,3 +1,30 @@
+config IRQCHIP
+ def_bool y
+ depends on OF_IRQ
+
+config ARM_GIC
+ bool
+ select IRQ_DOMAIN
+ select MULTI_IRQ_HANDLER
+
+config GIC_NON_BANKED
+ bool
+
+config ARM_VIC
+ bool
+ select IRQ_DOMAIN
+ select MULTI_IRQ_HANDLER
+
+config ARM_VIC_NR
+ int
+ default 4 if ARCH_S5PV210
+ default 3 if ARCH_S5PC100
+ default 2
+ depends on ARM_VIC
+ help
+ The maximum number of VICs available in the system, for
+ power management.
+
config VERSATILE_FPGA_IRQ
bool
select IRQ_DOMAIN
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index bf4609a5bd9..0fb86557439 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -1,4 +1,8 @@
+obj-$(CONFIG_IRQCHIP) += irqchip.o
+
obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2835.o
obj-$(CONFIG_ARCH_SUNXI) += irq-sunxi.o
-obj-$(CONFIG_VERSATILE_FPGA_IRQ) += irq-versatile-fpga.o
obj-$(CONFIG_ARCH_SPEAR3XX) += spear-shirq.o
+obj-$(CONFIG_ARM_GIC) += irq-gic.o
+obj-$(CONFIG_ARM_VIC) += irq-vic.o
+obj-$(CONFIG_VERSATILE_FPGA_IRQ) += irq-versatile-fpga.o
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
new file mode 100644
index 00000000000..69d9a395d54
--- /dev/null
+++ b/drivers/irqchip/irq-gic.c
@@ -0,0 +1,824 @@
+/*
+ * linux/arch/arm/common/gic.c
+ *
+ * Copyright (C) 2002 ARM Limited, All Rights Reserved.
+ *
+ * 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.
+ *
+ * Interrupt architecture for the GIC:
+ *
+ * o There is one Interrupt Distributor, which receives interrupts
+ * from system devices and sends them to the Interrupt Controllers.
+ *
+ * o There is one CPU Interface per CPU, which sends interrupts sent
+ * by the Distributor, and interrupts generated locally, to the
+ * associated CPU. The base address of the CPU interface is usually
+ * aliased so that the same address points to different chips depending
+ * on the CPU it is accessed from.
+ *
+ * Note that IRQs 0-31 are special - they are local to each CPU.
+ * As such, the enable set/clear, pending set/clear and active bit
+ * registers are banked per-cpu for these sources.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/smp.h>
+#include <linux/cpu_pm.h>
+#include <linux/cpumask.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/irqdomain.h>
+#include <linux/interrupt.h>
+#include <linux/percpu.h>
+#include <linux/slab.h>
+#include <linux/irqchip/arm-gic.h>
+
+#include <asm/irq.h>
+#include <asm/exception.h>
+#include <asm/smp_plat.h>
+#include <asm/mach/irq.h>
+
+#include "irqchip.h"
+
+union gic_base {
+ void __iomem *common_base;
+ void __percpu __iomem **percpu_base;
+};
+
+struct gic_chip_data {
+ union gic_base dist_base;
+ union gic_base cpu_base;
+#ifdef CONFIG_CPU_PM
+ u32 saved_spi_enable[DIV_ROUND_UP(1020, 32)];
+ u32 saved_spi_conf[DIV_ROUND_UP(1020, 16)];
+ u32 saved_spi_target[DIV_ROUND_UP(1020, 4)];
+ u32 __percpu *saved_ppi_enable;
+ u32 __percpu *saved_ppi_conf;
+#endif
+ struct irq_domain *domain;
+ unsigned int gic_irqs;
+#ifdef CONFIG_GIC_NON_BANKED
+ void __iomem *(*get_base)(union gic_base *);
+#endif
+};
+
+static DEFINE_RAW_SPINLOCK(irq_controller_lock);
+
+/*
+ * The GIC mapping of CPU interfaces does not necessarily match
+ * the logical CPU numbering. Let's use a mapping as returned
+ * by the GIC itself.
+ */
+#define NR_GIC_CPU_IF 8
+static u8 gic_cpu_map[NR_GIC_CPU_IF] __read_mostly;
+
+/*
+ * Supported arch specific GIC irq extension.
+ * Default make them NULL.
+ */
+struct irq_chip gic_arch_extn = {
+ .irq_eoi = NULL,
+ .irq_mask = NULL,
+ .irq_unmask = NULL,
+ .irq_retrigger = NULL,
+ .irq_set_type = NULL,
+ .irq_set_wake = NULL,
+};
+
+#ifndef MAX_GIC_NR
+#define MAX_GIC_NR 1
+#endif
+
+static struct gic_chip_data gic_data[MAX_GIC_NR] __read_mostly;
+
+#ifdef CONFIG_GIC_NON_BANKED
+static void __iomem *gic_get_percpu_base(union gic_base *base)
+{
+ return *__this_cpu_ptr(base->percpu_base);
+}
+
+static void __iomem *gic_get_common_base(union gic_base *base)
+{
+ return base->common_base;
+}
+
+static inline void __iomem *gic_data_dist_base(struct gic_chip_data *data)
+{
+ return data->get_base(&data->dist_base);
+}
+
+static inline void __iomem *gic_data_cpu_base(struct gic_chip_data *data)
+{
+ return data->get_base(&data->cpu_base);
+}
+
+static inline void gic_set_base_accessor(struct gic_chip_data *data,
+ void __iomem *(*f)(union gic_base *))
+{
+ data->get_base = f;
+}
+#else
+#define gic_data_dist_base(d) ((d)->dist_base.common_base)
+#define gic_data_cpu_base(d) ((d)->cpu_base.common_base)
+#define gic_set_base_accessor(d,f)
+#endif
+
+static inline void __iomem *gic_dist_base(struct irq_data *d)
+{
+ struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
+ return gic_data_dist_base(gic_data);
+}
+
+static inline void __iomem *gic_cpu_base(struct irq_data *d)
+{
+ struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
+ return gic_data_cpu_base(gic_data);
+}
+
+static inline unsigned int gic_irq(struct irq_data *d)
+{
+ return d->hwirq;
+}
+
+/*
+ * Routines to acknowledge, disable and enable interrupts
+ */
+static void gic_mask_irq(struct irq_data *d)
+{
+ u32 mask = 1 << (gic_irq(d) % 32);
+
+ raw_spin_lock(&irq_controller_lock);
+ writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4);
+ if (gic_arch_extn.irq_mask)
+ gic_arch_extn.irq_mask(d);
+ raw_spin_unlock(&irq_controller_lock);
+}
+
+static void gic_unmask_irq(struct irq_data *d)
+{
+ u32 mask = 1 << (gic_irq(d) % 32);
+
+ raw_spin_lock(&irq_controller_lock);
+ if (gic_arch_extn.irq_unmask)
+ gic_arch_extn.irq_unmask(d);
+ writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_SET + (gic_irq(d) / 32) * 4);
+ raw_spin_unlock(&irq_controller_lock);
+}
+
+static void gic_eoi_irq(struct irq_data *d)
+{
+ if (gic_arch_extn.irq_eoi) {
+ raw_spin_lock(&irq_controller_lock);
+ gic_arch_extn.irq_eoi(d);
+ raw_spin_unlock(&irq_controller_lock);
+ }
+
+ writel_relaxed(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI);
+}
+
+static int gic_set_type(struct irq_data *d, unsigned int type)
+{
+ void __iomem *base = gic_dist_base(d);
+ unsigned int gicirq = gic_irq(d);
+ u32 enablemask = 1 << (gicirq % 32);
+ u32 enableoff = (gicirq / 32) * 4;
+ u32 confmask = 0x2 << ((gicirq % 16) * 2);
+ u32 confoff = (gicirq / 16) * 4;
+ bool enabled = false;
+ u32 val;
+
+ /* Interrupt configuration for SGIs can't be changed */
+ if (gicirq < 16)
+ return -EINVAL;
+
+ if (type != IRQ_TYPE_LEVEL_HIGH && type != IRQ_TYPE_EDGE_RISING)
+ return -EINVAL;
+
+ raw_spin_lock(&irq_controller_lock);
+
+ if (gic_arch_extn.irq_set_type)
+ gic_arch_extn.irq_set_type(d, type);
+
+ val = readl_relaxed(base + GIC_DIST_CONFIG + confoff);
+ if (type == IRQ_TYPE_LEVEL_HIGH)
+ val &= ~confmask;
+ else if (type == IRQ_TYPE_EDGE_RISING)
+ val |= confmask;
+
+ /*
+ * As recommended by the spec, disable the interrupt before changing
+ * the configuration
+ */
+ if (readl_relaxed(base + GIC_DIST_ENABLE_SET + enableoff) & enablemask) {
+ writel_relaxed(enablemask, base + GIC_DIST_ENABLE_CLEAR + enableoff);
+ enabled = true;
+ }
+
+ writel_relaxed(val, base + GIC_DIST_CONFIG + confoff);
+
+ if (enabled)
+ writel_relaxed(enablemask, base + GIC_DIST_ENABLE_SET + enableoff);
+
+ raw_spin_unlock(&irq_controller_lock);
+
+ return 0;
+}
+
+static int gic_retrigger(struct irq_data *d)
+{
+ if (gic_arch_extn.irq_retrigger)
+ return gic_arch_extn.irq_retrigger(d);
+
+ return -ENXIO;
+}
+
+#ifdef CONFIG_SMP
+static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
+ bool force)
+{
+ void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
+ unsigned int shift = (gic_irq(d) % 4) * 8;
+ unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+ u32 val, mask, bit;
+
+ if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
+ return -EINVAL;
+
+ mask = 0xff << shift;
+ bit = gic_cpu_map[cpu] << shift;
+
+ raw_spin_lock(&irq_controller_lock);
+ val = readl_relaxed(reg) & ~mask;
+ writel_relaxed(val | bit, reg);
+ raw_spin_unlock(&irq_controller_lock);
+
+ return IRQ_SET_MASK_OK;
+}
+#endif
+
+#ifdef CONFIG_PM
+static int gic_set_wake(struct irq_data *d, unsigned int on)
+{
+ int ret = -ENXIO;
+
+ if (gic_arch_extn.irq_set_wake)
+ ret = gic_arch_extn.irq_set_wake(d, on);
+
+ return ret;
+}
+
+#else
+#define gic_set_wake NULL
+#endif
+
+static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
+{
+ u32 irqstat, irqnr;
+ struct gic_chip_data *gic = &gic_data[0];
+ void __iomem *cpu_base = gic_data_cpu_base(gic);
+
+ do {
+ irqstat = readl_relaxed(cpu_base + GIC_CPU_INTACK);
+ irqnr = irqstat & ~0x1c00;
+
+ if (likely(irqnr > 15 && irqnr < 1021)) {
+ irqnr = irq_find_mapping(gic->domain, irqnr);
+ handle_IRQ(irqnr, regs);
+ continue;
+ }
+ if (irqnr < 16) {
+ writel_relaxed(irqstat, cpu_base + GIC_CPU_EOI);
+#ifdef CONFIG_SMP
+ handle_IPI(irqnr, regs);
+#endif
+ continue;
+ }
+ break;
+ } while (1);
+}
+
+static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
+{
+ struct gic_chip_data *chip_data = irq_get_handler_data(irq);
+ struct irq_chip *chip = irq_get_chip(irq);
+ unsigned int cascade_irq, gic_irq;
+ unsigned long status;
+
+ chained_irq_enter(chip, desc);
+
+ raw_spin_lock(&irq_controller_lock);
+ status = readl_relaxed(gic_data_cpu_base(chip_data) + GIC_CPU_INTACK);
+ raw_spin_unlock(&irq_controller_lock);
+
+ gic_irq = (status & 0x3ff);
+ if (gic_irq == 1023)
+ goto out;
+
+ cascade_irq = irq_find_mapping(chip_data->domain, gic_irq);
+ if (unlikely(gic_irq < 32 || gic_irq > 1020))
+ do_bad_IRQ(cascade_irq, desc);
+ else
+ generic_handle_irq(cascade_irq);
+
+ out:
+ chained_irq_exit(chip, desc);
+}
+
+static struct irq_chip gic_chip = {
+ .name = "GIC",
+ .irq_mask = gic_mask_irq,
+ .irq_unmask = gic_unmask_irq,
+ .irq_eoi = gic_eoi_irq,
+ .irq_set_type = gic_set_type,
+ .irq_retrigger = gic_retrigger,
+#ifdef CONFIG_SMP
+ .irq_set_affinity = gic_set_affinity,
+#endif
+ .irq_set_wake = gic_set_wake,
+};
+
+void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
+{
+ if (gic_nr >= MAX_GIC_NR)
+ BUG();
+ if (irq_set_handler_data(irq, &gic_data[gic_nr]) != 0)
+ BUG();
+ irq_set_chained_handler(irq, gic_handle_cascade_irq);
+}
+
+static void __init gic_dist_init(struct gic_chip_data *gic)
+{
+ unsigned int i;
+ u32 cpumask;
+ unsigned int gic_irqs = gic->gic_irqs;
+ void __iomem *base = gic_data_dist_base(gic);
+
+ writel_relaxed(0, base + GIC_DIST_CTRL);
+
+ /*
+ * Set all global interrupts to be level triggered, active low.
+ */
+ for (i = 32; i < gic_irqs; i += 16)
+ writel_relaxed(0, base + GIC_DIST_CONFIG + i * 4 / 16);
+
+ /*
+ * Set all global interrupts to this CPU only.
+ */
+ cpumask = readl_relaxed(base + GIC_DIST_TARGET + 0);
+ for (i = 32; i < gic_irqs; i += 4)
+ writel_relaxed(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
+
+ /*
+ * Set priority on all global interrupts.
+ */
+ for (i = 32; i < gic_irqs; i += 4)
+ writel_relaxed(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4);
+
+ /*
+ * Disable all interrupts. Leave the PPI and SGIs alone
+ * as these enables are banked registers.
+ */
+ for (i = 32; i < gic_irqs; i += 32)
+ writel_relaxed(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
+
+ writel_relaxed(1, base + GIC_DIST_CTRL);
+}
+
+static void __cpuinit gic_cpu_init(struct gic_chip_data *gic)
+{
+ void __iomem *dist_base = gic_data_dist_base(gic);
+ void __iomem *base = gic_data_cpu_base(gic);
+ unsigned int cpu_mask, cpu = smp_processor_id();
+ int i;
+
+ /*
+ * Get what the GIC says our CPU mask is.
+ */
+ BUG_ON(cpu >= NR_GIC_CPU_IF);
+ cpu_mask = readl_relaxed(dist_base + GIC_DIST_TARGET + 0);
+ gic_cpu_map[cpu] = cpu_mask;
+
+ /*
+ * Clear our mask from the other map entries in case they're
+ * still undefined.
+ */
+ for (i = 0; i < NR_GIC_CPU_IF; i++)
+ if (i != cpu)
+ gic_cpu_map[i] &= ~cpu_mask;
+
+ /*
+ * Deal with the banked PPI and SGI interrupts - disable all
+ * PPI interrupts, ensure all SGI interrupts are enabled.
+ */
+ writel_relaxed(0xffff0000, dist_base + GIC_DIST_ENABLE_CLEAR);
+ writel_relaxed(0x0000ffff, dist_base + GIC_DIST_ENABLE_SET);
+
+ /*
+ * Set priority on PPI and SGI interrupts
+ */
+ for (i = 0; i < 32; i += 4)
+ writel_relaxed(0xa0a0a0a0, dist_base + GIC_DIST_PRI + i * 4 / 4);
+
+ writel_relaxed(0xf0, base + GIC_CPU_PRIMASK);
+ writel_relaxed(1, base + GIC_CPU_CTRL);
+}
+
+#ifdef CONFIG_CPU_PM
+/*
+ * Saves the GIC distributor registers during suspend or idle. Must be called
+ * with interrupts disabled but before powering down the GIC. After calling
+ * this function, no interrupts will be delivered by the GIC, and another
+ * platform-specific wakeup source must be enabled.
+ */
+static void gic_dist_save(unsigned int gic_nr)
+{
+ unsigned int gic_irqs;
+ void __iomem *dist_base;
+ int i;
+
+ if (gic_nr >= MAX_GIC_NR)
+ BUG();
+
+ gic_irqs = gic_data[gic_nr].gic_irqs;
+ dist_base = gic_data_dist_base(&gic_data[gic_nr]);
+
+ if (!dist_base)
+ return;
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 16); i++)
+ gic_data[gic_nr].saved_spi_conf[i] =
+ readl_relaxed(dist_base + GIC_DIST_CONFIG + i * 4);
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 4); i++)
+ gic_data[gic_nr].saved_spi_target[i] =
+ readl_relaxed(dist_base + GIC_DIST_TARGET + i * 4);
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++)
+ gic_data[gic_nr].saved_spi_enable[i] =
+ readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4);
+}
+
+/*
+ * Restores the GIC distributor registers during resume or when coming out of
+ * idle. Must be called before enabling interrupts. If a level interrupt
+ * that occured while the GIC was suspended is still present, it will be
+ * handled normally, but any edge interrupts that occured will not be seen by
+ * the GIC and need to be handled by the platform-specific wakeup source.
+ */
+static void gic_dist_restore(unsigned int gic_nr)
+{
+ unsigned int gic_irqs;
+ unsigned int i;
+ void __iomem *dist_base;
+
+ if (gic_nr >= MAX_GIC_NR)
+ BUG();
+
+ gic_irqs = gic_data[gic_nr].gic_irqs;
+ dist_base = gic_data_dist_base(&gic_data[gic_nr]);
+
+ if (!dist_base)
+ return;
+
+ writel_relaxed(0, dist_base + GIC_DIST_CTRL);
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 16); i++)
+ writel_relaxed(gic_data[gic_nr].saved_spi_conf[i],
+ dist_base + GIC_DIST_CONFIG + i * 4);
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 4); i++)
+ writel_relaxed(0xa0a0a0a0,
+ dist_base + GIC_DIST_PRI + i * 4);
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 4); i++)
+ writel_relaxed(gic_data[gic_nr].saved_spi_target[i],
+ dist_base + GIC_DIST_TARGET + i * 4);
+
+ for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++)
+ writel_relaxed(gic_data[gic_nr].saved_spi_enable[i],
+ dist_base + GIC_DIST_ENABLE_SET + i * 4);
+
+ writel_relaxed(1, dist_base + GIC_DIST_CTRL);
+}
+
+static void gic_cpu_save(unsigned int gic_nr)
+{
+ int i;
+ u32 *ptr;
+ void __iomem *dist_base;
+ void __iomem *cpu_base;
+
+ if (gic_nr >= MAX_GIC_NR)
+ BUG();
+
+ dist_base = gic_data_dist_base(&gic_data[gic_nr]);
+ cpu_base = gic_data_cpu_base(&gic_data[gic_nr]);
+
+ if (!dist_base || !cpu_base)
+ return;
+
+ ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_enable);
+ for (i = 0; i < DIV_ROUND_UP(32, 32); i++)
+ ptr[i] = readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4);
+
+ ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_conf);
+ for (i = 0; i < DIV_ROUND_UP(32, 16); i++)
+ ptr[i] = readl_relaxed(dist_base + GIC_DIST_CONFIG + i * 4);
+
+}
+
+static void gic_cpu_restore(unsigned int gic_nr)
+{
+ int i;
+ u32 *ptr;
+ void __iomem *dist_base;
+ void __iomem *cpu_base;
+
+ if (gic_nr >= MAX_GIC_NR)
+ BUG();
+
+ dist_base = gic_data_dist_base(&gic_data[gic_nr]);
+ cpu_base = gic_data_cpu_base(&gic_data[gic_nr]);
+
+ if (!dist_base || !cpu_base)
+ return;
+
+ ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_enable);
+ for (i = 0; i < DIV_ROUND_UP(32, 32); i++)
+ writel_relaxed(ptr[i], dist_base + GIC_DIST_ENABLE_SET + i * 4);
+
+ ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_conf);
+ for (i = 0; i < DIV_ROUND_UP(32, 16); i++)
+ writel_relaxed(ptr[i], dist_base + GIC_DIST_CONFIG + i * 4);
+
+ for (i = 0; i < DIV_ROUND_UP(32, 4); i++)
+ writel_relaxed(0xa0a0a0a0, dist_base + GIC_DIST_PRI + i * 4);
+
+ writel_relaxed(0xf0, cpu_base + GIC_CPU_PRIMASK);
+ writel_relaxed(1, cpu_base + GIC_CPU_CTRL);
+}
+
+static int gic_notifier(struct notifier_block *self, unsigned long cmd, void *v)
+{
+ int i;
+
+ for (i = 0; i < MAX_GIC_NR; i++) {
+#ifdef CONFIG_GIC_NON_BANKED
+ /* Skip over unused GICs */
+ if (!gic_data[i].get_base)
+ continue;
+#endif
+ switch (cmd) {
+ case CPU_PM_ENTER:
+ gic_cpu_save(i);
+ break;
+ case CPU_PM_ENTER_FAILED:
+ case CPU_PM_EXIT:
+ gic_cpu_restore(i);
+ break;
+ case CPU_CLUSTER_PM_ENTER:
+ gic_dist_save(i);
+ break;
+ case CPU_CLUSTER_PM_ENTER_FAILED:
+ case CPU_CLUSTER_PM_EXIT:
+ gic_dist_restore(i);
+ break;
+ }
+ }
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block gic_notifier_block = {
+ .notifier_call = gic_notifier,
+};
+
+static void __init gic_pm_init(struct gic_chip_data *gic)
+{
+ gic->saved_ppi_enable = __alloc_percpu(DIV_ROUND_UP(32, 32) * 4,
+ sizeof(u32));
+ BUG_ON(!gic->saved_ppi_enable);
+
+ gic->saved_ppi_conf = __alloc_percpu(DIV_ROUND_UP(32, 16) * 4,
+ sizeof(u32));
+ BUG_ON(!gic->saved_ppi_conf);
+
+ if (gic == &gic_data[0])
+ cpu_pm_register_notifier(&gic_notifier_block);
+}
+#else
+static void __init gic_pm_init(struct gic_chip_data *gic)
+{
+}
+#endif
+
+#ifdef CONFIG_SMP
+void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
+{
+ int cpu;
+ unsigned long map = 0;
+
+ /* Convert our logical CPU mask into a physical one. */
+ for_each_cpu(cpu, mask)
+ map |= 1 << cpu_logical_map(cpu);
+
+ /*
+ * Ensure that stores to Normal memory are visible to the
+ * other CPUs before issuing the IPI.
+ */
+ dsb();
+
+ /* this always happens on GIC0 */
+ writel_relaxed(map << 16 | irq, gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
+}
+#endif
+
+static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
+ irq_hw_number_t hw)
+{
+ if (hw < 32) {
+ irq_set_percpu_devid(irq);
+ irq_set_chip_and_handler(irq, &gic_chip,
+ handle_percpu_devid_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN);
+ } else {
+ irq_set_chip_and_handler(irq, &gic_chip,
+ handle_fasteoi_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+ irq_set_chip_data(irq, d->host_data);
+ return 0;
+}
+
+static int gic_irq_domain_xlate(struct irq_domain *d,
+ struct device_node *controller,
+ const u32 *intspec, unsigned int intsize,
+ unsigned long *out_hwirq, unsigned int *out_type)
+{
+ if (d->of_node != controller)
+ return -EINVAL;
+ if (intsize < 3)
+ return -EINVAL;
+
+ /* Get the interrupt number and add 16 to skip over SGIs */
+ *out_hwirq = intspec[1] + 16;
+
+ /* For SPIs, we need to add 16 more to get the GIC irq ID number */
+ if (!intspec[0])
+ *out_hwirq += 16;
+
+ *out_type = intspec[2] & IRQ_TYPE_SENSE_MASK;
+ return 0;
+}
+
+const struct irq_domain_ops gic_irq_domain_ops = {
+ .map = gic_irq_domain_map,
+ .xlate = gic_irq_domain_xlate,
+};
+
+void __init gic_init_bases(unsigned int gic_nr, int irq_start,
+ void __iomem *dist_base, void __iomem *cpu_base,
+ u32 percpu_offset, struct device_node *node)
+{
+ irq_hw_number_t hwirq_base;
+ struct gic_chip_data *gic;
+ int gic_irqs, irq_base, i;
+
+ BUG_ON(gic_nr >= MAX_GIC_NR);
+
+ gic = &gic_data[gic_nr];
+#ifdef CONFIG_GIC_NON_BANKED
+ if (percpu_offset) { /* Frankein-GIC without banked registers... */
+ unsigned int cpu;
+
+ gic->dist_base.percpu_base = alloc_percpu(void __iomem *);
+ gic->cpu_base.percpu_base = alloc_percpu(void __iomem *);
+ if (WARN_ON(!gic->dist_base.percpu_base ||
+ !gic->cpu_base.percpu_base)) {
+ free_percpu(gic->dist_base.percpu_base);
+ free_percpu(gic->cpu_base.percpu_base);
+ return;
+ }
+
+ for_each_possible_cpu(cpu) {
+ unsigned long offset = percpu_offset * cpu_logical_map(cpu);
+ *per_cpu_ptr(gic->dist_base.percpu_base, cpu) = dist_base + offset;
+ *per_cpu_ptr(gic->cpu_base.percpu_base, cpu) = cpu_base + offset;
+ }
+
+ gic_set_base_accessor(gic, gic_get_percpu_base);
+ } else
+#endif
+ { /* Normal, sane GIC... */
+ WARN(percpu_offset,
+ "GIC_NON_BANKED not enabled, ignoring %08x offset!",
+ percpu_offset);
+ gic->dist_base.common_base = dist_base;
+ gic->cpu_base.common_base = cpu_base;
+ gic_set_base_accessor(gic, gic_get_common_base);
+ }
+
+ /*
+ * Initialize the CPU interface map to all CPUs.
+ * It will be refined as each CPU probes its ID.
+ */
+ for (i = 0; i < NR_GIC_CPU_IF; i++)
+ gic_cpu_map[i] = 0xff;
+
+ /*
+ * For primary GICs, skip over SGIs.
+ * For secondary GICs, skip over PPIs, too.
+ */
+ if (gic_nr == 0 && (irq_start & 31) > 0) {
+ hwirq_base = 16;
+ if (irq_start != -1)
+ irq_start = (irq_start & ~31) + 16;
+ } else {
+ hwirq_base = 32;
+ }
+
+ /*
+ * Find out how many interrupts are supported.
+ * The GIC only supports up to 1020 interrupt sources.
+ */
+ gic_irqs = readl_relaxed(gic_data_dist_base(gic) + GIC_DIST_CTR) & 0x1f;
+ gic_irqs = (gic_irqs + 1) * 32;
+ if (gic_irqs > 1020)
+ gic_irqs = 1020;
+ gic->gic_irqs = gic_irqs;
+
+ gic_irqs -= hwirq_base; /* calculate # of irqs to allocate */
+ irq_base = irq_alloc_descs(irq_start, 16, gic_irqs, numa_node_id());
+ if (IS_ERR_VALUE(irq_base)) {
+ WARN(1, "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated\n",
+ irq_start);
+ irq_base = irq_start;
+ }
+ gic->domain = irq_domain_add_legacy(node, gic_irqs, irq_base,
+ hwirq_base, &gic_irq_domain_ops, gic);
+ if (WARN_ON(!gic->domain))
+ return;
+
+#ifdef CONFIG_SMP
+ set_smp_cross_call(gic_raise_softirq);
+#endif
+
+ set_handle_irq(gic_handle_irq);
+
+ gic_chip.flags |= gic_arch_extn.flags;
+ gic_dist_init(gic);
+ gic_cpu_init(gic);
+ gic_pm_init(gic);
+}
+
+void __cpuinit gic_secondary_init(unsigned int gic_nr)
+{
+ BUG_ON(gic_nr >= MAX_GIC_NR);
+
+ gic_cpu_init(&gic_data[gic_nr]);
+}
+
+#ifdef CONFIG_OF
+static int gic_cnt __initdata = 0;
+
+int __init gic_of_init(struct device_node *node, struct device_node *parent)
+{
+ void __iomem *cpu_base;
+ void __iomem *dist_base;
+ u32 percpu_offset;
+ int irq;
+
+ if (WARN_ON(!node))
+ return -ENODEV;
+
+ dist_base = of_iomap(node, 0);
+ WARN(!dist_base, "unable to map gic dist registers\n");
+
+ cpu_base = of_iomap(node, 1);
+ WARN(!cpu_base, "unable to map gic cpu registers\n");
+
+ if (of_property_read_u32(node, "cpu-offset", &percpu_offset))
+ percpu_offset = 0;
+
+ gic_init_bases(gic_cnt, -1, dist_base, cpu_base, percpu_offset, node);
+
+ if (parent) {
+ irq = irq_of_parse_and_map(node, 0);
+ gic_cascade_irq(gic_cnt, irq);
+ }
+ gic_cnt++;
+ return 0;
+}
+IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init);
+IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init);
+IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init);
+IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init);
+
+#endif
diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c
new file mode 100644
index 00000000000..3cf97aaebe4
--- /dev/null
+++ b/drivers/irqchip/irq-vic.c
@@ -0,0 +1,489 @@
+/*
+ * linux/arch/arm/common/vic.c
+ *
+ * Copyright (C) 1999 - 2003 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/export.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/io.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/syscore_ops.h>
+#include <linux/device.h>
+#include <linux/amba/bus.h>
+#include <linux/irqchip/arm-vic.h>
+
+#include <asm/exception.h>
+#include <asm/mach/irq.h>
+
+#include "irqchip.h"
+
+#define VIC_IRQ_STATUS 0x00
+#define VIC_FIQ_STATUS 0x04
+#define VIC_INT_SELECT 0x0c /* 1 = FIQ, 0 = IRQ */
+#define VIC_INT_SOFT 0x18
+#define VIC_INT_SOFT_CLEAR 0x1c
+#define VIC_PROTECT 0x20
+#define VIC_PL190_VECT_ADDR 0x30 /* PL190 only */
+#define VIC_PL190_DEF_VECT_ADDR 0x34 /* PL190 only */
+
+#define VIC_VECT_ADDR0 0x100 /* 0 to 15 (0..31 PL192) */
+#define VIC_VECT_CNTL0 0x200 /* 0 to 15 (0..31 PL192) */
+#define VIC_ITCR 0x300 /* VIC test control register */
+
+#define VIC_VECT_CNTL_ENABLE (1 << 5)
+
+#define VIC_PL192_VECT_ADDR 0xF00
+
+/**
+ * struct vic_device - VIC PM device
+ * @irq: The IRQ number for the base of the VIC.
+ * @base: The register base for the VIC.
+ * @valid_sources: A bitmask of valid interrupts
+ * @resume_sources: A bitmask of interrupts for resume.
+ * @resume_irqs: The IRQs enabled for resume.
+ * @int_select: Save for VIC_INT_SELECT.
+ * @int_enable: Save for VIC_INT_ENABLE.
+ * @soft_int: Save for VIC_INT_SOFT.
+ * @protect: Save for VIC_PROTECT.
+ * @domain: The IRQ domain for the VIC.
+ */
+struct vic_device {
+ void __iomem *base;
+ int irq;
+ u32 valid_sources;
+ u32 resume_sources;
+ u32 resume_irqs;
+ u32 int_select;
+ u32 int_enable;
+ u32 soft_int;
+ u32 protect;
+ struct irq_domain *domain;
+};
+
+/* we cannot allocate memory when VICs are initially registered */
+static struct vic_device vic_devices[CONFIG_ARM_VIC_NR];
+
+static int vic_id;
+
+static void vic_handle_irq(struct pt_regs *regs);
+
+/**
+ * vic_init2 - common initialisation code
+ * @base: Base of the VIC.
+ *
+ * Common initialisation code for registration
+ * and resume.
+*/
+static void vic_init2(void __iomem *base)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
+ writel(VIC_VECT_CNTL_ENABLE | i, reg);
+ }
+
+ writel(32, base + VIC_PL190_DEF_VECT_ADDR);
+}
+
+#ifdef CONFIG_PM
+static void resume_one_vic(struct vic_device *vic)
+{
+ void __iomem *base = vic->base;
+
+ printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base);
+
+ /* re-initialise static settings */
+ vic_init2(base);
+
+ writel(vic->int_select, base + VIC_INT_SELECT);
+ writel(vic->protect, base + VIC_PROTECT);
+
+ /* set the enabled ints and then clear the non-enabled */
+ writel(vic->int_enable, base + VIC_INT_ENABLE);
+ writel(~vic->int_enable, base + VIC_INT_ENABLE_CLEAR);
+
+ /* and the same for the soft-int register */
+
+ writel(vic->soft_int, base + VIC_INT_SOFT);
+ writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR);
+}
+
+static void vic_resume(void)
+{
+ int id;
+
+ for (id = vic_id - 1; id >= 0; id--)
+ resume_one_vic(vic_devices + id);
+}
+
+static void suspend_one_vic(struct vic_device *vic)
+{
+ void __iomem *base = vic->base;
+
+ printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base);
+
+ vic->int_select = readl(base + VIC_INT_SELECT);
+ vic->int_enable = readl(base + VIC_INT_ENABLE);
+ vic->soft_int = readl(base + VIC_INT_SOFT);
+ vic->protect = readl(base + VIC_PROTECT);
+
+ /* set the interrupts (if any) that are used for
+ * resuming the system */
+
+ writel(vic->resume_irqs, base + VIC_INT_ENABLE);
+ writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR);
+}
+
+static int vic_suspend(void)
+{
+ int id;
+
+ for (id = 0; id < vic_id; id++)
+ suspend_one_vic(vic_devices + id);
+
+ return 0;
+}
+
+struct syscore_ops vic_syscore_ops = {
+ .suspend = vic_suspend,
+ .resume = vic_resume,
+};
+
+/**
+ * vic_pm_init - initicall to register VIC pm
+ *
+ * This is called via late_initcall() to register
+ * the resources for the VICs due to the early
+ * nature of the VIC's registration.
+*/
+static int __init vic_pm_init(void)
+{
+ if (vic_id > 0)
+ register_syscore_ops(&vic_syscore_ops);
+
+ return 0;
+}
+late_initcall(vic_pm_init);
+#endif /* CONFIG_PM */
+
+static struct irq_chip vic_chip;
+
+static int vic_irqdomain_map(struct irq_domain *d, unsigned int irq,
+ irq_hw_number_t hwirq)
+{
+ struct vic_device *v = d->host_data;
+
+ /* Skip invalid IRQs, only register handlers for the real ones */
+ if (!(v->valid_sources & (1 << hwirq)))
+ return -ENOTSUPP;
+ irq_set_chip_and_handler(irq, &vic_chip, handle_level_irq);
+ irq_set_chip_data(irq, v->base);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ return 0;
+}
+
+/*
+ * Handle each interrupt in a single VIC. Returns non-zero if we've
+ * handled at least one interrupt. This reads the status register
+ * before handling each interrupt, which is necessary given that
+ * handle_IRQ may briefly re-enable interrupts for soft IRQ handling.
+ */
+static int handle_one_vic(struct vic_device *vic, struct pt_regs *regs)
+{
+ u32 stat, irq;
+ int handled = 0;
+
+ while ((stat = readl_relaxed(vic->base + VIC_IRQ_STATUS))) {
+ irq = ffs(stat) - 1;
+ handle_IRQ(irq_find_mapping(vic->domain, irq), regs);
+ handled = 1;
+ }
+
+ return handled;
+}
+
+/*
+ * Keep iterating over all registered VIC's until there are no pending
+ * interrupts.
+ */
+static asmlinkage void __exception_irq_entry vic_handle_irq(struct pt_regs *regs)
+{
+ int i, handled;
+
+ do {
+ for (i = 0, handled = 0; i < vic_id; ++i)
+ handled |= handle_one_vic(&vic_devices[i], regs);
+ } while (handled);
+}
+
+static struct irq_domain_ops vic_irqdomain_ops = {
+ .map = vic_irqdomain_map,
+ .xlate = irq_domain_xlate_onetwocell,
+};
+
+/**
+ * vic_register() - Register a VIC.
+ * @base: The base address of the VIC.
+ * @irq: The base IRQ for the VIC.
+ * @valid_sources: bitmask of valid interrupts
+ * @resume_sources: bitmask of interrupts allowed for resume sources.
+ * @node: The device tree node associated with the VIC.
+ *
+ * Register the VIC with the system device tree so that it can be notified
+ * of suspend and resume requests and ensure that the correct actions are
+ * taken to re-instate the settings on resume.
+ *
+ * This also configures the IRQ domain for the VIC.
+ */
+static void __init vic_register(void __iomem *base, unsigned int irq,
+ u32 valid_sources, u32 resume_sources,
+ struct device_node *node)
+{
+ struct vic_device *v;
+ int i;
+
+ if (vic_id >= ARRAY_SIZE(vic_devices)) {
+ printk(KERN_ERR "%s: too few VICs, increase CONFIG_ARM_VIC_NR\n", __func__);
+ return;
+ }
+
+ v = &vic_devices[vic_id];
+ v->base = base;
+ v->valid_sources = valid_sources;
+ v->resume_sources = resume_sources;
+ v->irq = irq;
+ set_handle_irq(vic_handle_irq);
+ vic_id++;
+ v->domain = irq_domain_add_simple(node, fls(valid_sources), irq,
+ &vic_irqdomain_ops, v);
+ /* create an IRQ mapping for each valid IRQ */
+ for (i = 0; i < fls(valid_sources); i++)
+ if (valid_sources & (1 << i))
+ irq_create_mapping(v->domain, i);
+}
+
+static void vic_ack_irq(struct irq_data *d)
+{
+ void __iomem *base = irq_data_get_irq_chip_data(d);
+ unsigned int irq = d->hwirq;
+ writel(1 << irq, base + VIC_INT_ENABLE_CLEAR);
+ /* moreover, clear the soft-triggered, in case it was the reason */
+ writel(1 << irq, base + VIC_INT_SOFT_CLEAR);
+}
+
+static void vic_mask_irq(struct irq_data *d)
+{
+ void __iomem *base = irq_data_get_irq_chip_data(d);
+ unsigned int irq = d->hwirq;
+ writel(1 << irq, base + VIC_INT_ENABLE_CLEAR);
+}
+
+static void vic_unmask_irq(struct irq_data *d)
+{
+ void __iomem *base = irq_data_get_irq_chip_data(d);
+ unsigned int irq = d->hwirq;
+ writel(1 << irq, base + VIC_INT_ENABLE);
+}
+
+#if defined(CONFIG_PM)
+static struct vic_device *vic_from_irq(unsigned int irq)
+{
+ struct vic_device *v = vic_devices;
+ unsigned int base_irq = irq & ~31;
+ int id;
+
+ for (id = 0; id < vic_id; id++, v++) {
+ if (v->irq == base_irq)
+ return v;
+ }
+
+ return NULL;
+}
+
+static int vic_set_wake(struct irq_data *d, unsigned int on)
+{
+ struct vic_device *v = vic_from_irq(d->irq);
+ unsigned int off = d->hwirq;
+ u32 bit = 1 << off;
+
+ if (!v)
+ return -EINVAL;
+
+ if (!(bit & v->resume_sources))
+ return -EINVAL;
+
+ if (on)
+ v->resume_irqs |= bit;
+ else
+ v->resume_irqs &= ~bit;
+
+ return 0;
+}
+#else
+#define vic_set_wake NULL
+#endif /* CONFIG_PM */
+
+static struct irq_chip vic_chip = {
+ .name = "VIC",
+ .irq_ack = vic_ack_irq,
+ .irq_mask = vic_mask_irq,
+ .irq_unmask = vic_unmask_irq,
+ .irq_set_wake = vic_set_wake,
+};
+
+static void __init vic_disable(void __iomem *base)
+{
+ writel(0, base + VIC_INT_SELECT);
+ writel(0, base + VIC_INT_ENABLE);
+ writel(~0, base + VIC_INT_ENABLE_CLEAR);
+ writel(0, base + VIC_ITCR);
+ writel(~0, base + VIC_INT_SOFT_CLEAR);
+}
+
+static void __init vic_clear_interrupts(void __iomem *base)
+{
+ unsigned int i;
+
+ writel(0, base + VIC_PL190_VECT_ADDR);
+ for (i = 0; i < 19; i++) {
+ unsigned int value;
+
+ value = readl(base + VIC_PL190_VECT_ADDR);
+ writel(value, base + VIC_PL190_VECT_ADDR);
+ }
+}
+
+/*
+ * The PL190 cell from ARM has been modified by ST to handle 64 interrupts.
+ * The original cell has 32 interrupts, while the modified one has 64,
+ * replocating two blocks 0x00..0x1f in 0x20..0x3f. In that case
+ * the probe function is called twice, with base set to offset 000
+ * and 020 within the page. We call this "second block".
+ */
+static void __init vic_init_st(void __iomem *base, unsigned int irq_start,
+ u32 vic_sources, struct device_node *node)
+{
+ unsigned int i;
+ int vic_2nd_block = ((unsigned long)base & ~PAGE_MASK) != 0;
+
+ /* Disable all interrupts initially. */
+ vic_disable(base);
+
+ /*
+ * Make sure we clear all existing interrupts. The vector registers
+ * in this cell are after the second block of general registers,
+ * so we can address them using standard offsets, but only from
+ * the second base address, which is 0x20 in the page
+ */
+ if (vic_2nd_block) {
+ vic_clear_interrupts(base);
+
+ /* ST has 16 vectors as well, but we don't enable them by now */
+ for (i = 0; i < 16; i++) {
+ void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
+ writel(0, reg);
+ }
+
+ writel(32, base + VIC_PL190_DEF_VECT_ADDR);
+ }
+
+ vic_register(base, irq_start, vic_sources, 0, node);
+}
+
+void __init __vic_init(void __iomem *base, int irq_start,
+ u32 vic_sources, u32 resume_sources,
+ struct device_node *node)
+{
+ unsigned int i;
+ u32 cellid = 0;
+ enum amba_vendor vendor;
+
+ /* Identify which VIC cell this one is, by reading the ID */
+ for (i = 0; i < 4; i++) {
+ void __iomem *addr;
+ addr = (void __iomem *)((u32)base & PAGE_MASK) + 0xfe0 + (i * 4);
+ cellid |= (readl(addr) & 0xff) << (8 * i);
+ }
+ vendor = (cellid >> 12) & 0xff;
+ printk(KERN_INFO "VIC @%p: id 0x%08x, vendor 0x%02x\n",
+ base, cellid, vendor);
+
+ switch(vendor) {
+ case AMBA_VENDOR_ST:
+ vic_init_st(base, irq_start, vic_sources, node);
+ return;
+ default:
+ printk(KERN_WARNING "VIC: unknown vendor, continuing anyways\n");
+ /* fall through */
+ case AMBA_VENDOR_ARM:
+ break;
+ }
+
+ /* Disable all interrupts initially. */
+ vic_disable(base);
+
+ /* Make sure we clear all existing interrupts */
+ vic_clear_interrupts(base);
+
+ vic_init2(base);
+
+ vic_register(base, irq_start, vic_sources, resume_sources, node);
+}
+
+/**
+ * vic_init() - initialise a vectored interrupt controller
+ * @base: iomem base address
+ * @irq_start: starting interrupt number, must be muliple of 32
+ * @vic_sources: bitmask of interrupt sources to allow
+ * @resume_sources: bitmask of interrupt sources to allow for resume
+ */
+void __init vic_init(void __iomem *base, unsigned int irq_start,
+ u32 vic_sources, u32 resume_sources)
+{
+ __vic_init(base, irq_start, vic_sources, resume_sources, NULL);
+}
+
+#ifdef CONFIG_OF
+int __init vic_of_init(struct device_node *node, struct device_node *parent)
+{
+ void __iomem *regs;
+
+ if (WARN(parent, "non-root VICs are not supported"))
+ return -EINVAL;
+
+ regs = of_iomap(node, 0);
+ if (WARN_ON(!regs))
+ return -EIO;
+
+ /*
+ * Passing 0 as first IRQ makes the simple domain allocate descriptors
+ */
+ __vic_init(regs, 0, ~0, ~0, node);
+
+ return 0;
+}
+IRQCHIP_DECLARE(arm_pl190_vic, "arm,pl190-vic", vic_of_init);
+IRQCHIP_DECLARE(arm_pl192_vic, "arm,pl192-vic", vic_of_init);
+IRQCHIP_DECLARE(arm_versatile_vic, "arm,versatile-vic", vic_of_init);
+#endif /* CONFIG OF */
diff --git a/drivers/irqchip/irqchip.c b/drivers/irqchip/irqchip.c
new file mode 100644
index 00000000000..f496afce29d
--- /dev/null
+++ b/drivers/irqchip/irqchip.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2012 Thomas Petazzoni
+ *
+ * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_irq.h>
+
+#include "irqchip.h"
+
+/*
+ * This special of_device_id is the sentinel at the end of the
+ * of_device_id[] array of all irqchips. It is automatically placed at
+ * the end of the array by the linker, thanks to being part of a
+ * special section.
+ */
+static const struct of_device_id
+irqchip_of_match_end __used __section(__irqchip_of_end);
+
+extern struct of_device_id __irqchip_begin[];
+
+void __init irqchip_init(void)
+{
+ of_irq_init(__irqchip_begin);
+}
diff --git a/drivers/irqchip/irqchip.h b/drivers/irqchip/irqchip.h
new file mode 100644
index 00000000000..e445ba2d6ad
--- /dev/null
+++ b/drivers/irqchip/irqchip.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012 Thomas Petazzoni
+ *
+ * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef _IRQCHIP_H
+#define _IRQCHIP_H
+
+/*
+ * This macro must be used by the different irqchip drivers to declare
+ * the association between their DT compatible string and their
+ * initialization function.
+ *
+ * @name: name that must be unique accross all IRQCHIP_DECLARE of the
+ * same file.
+ * @compstr: compatible string of the irqchip driver
+ * @fn: initialization function
+ */
+#define IRQCHIP_DECLARE(name,compstr,fn) \
+ static const struct of_device_id irqchip_of_match_##name \
+ __used __section(__irqchip_of_table) \
+ = { .compatible = compstr, .data = fn }
+
+#endif
diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c
index 80e1d2fd9d4..8527743b5ce 100644
--- a/drivers/irqchip/spear-shirq.c
+++ b/drivers/irqchip/spear-shirq.c
@@ -25,6 +25,8 @@
#include <linux/of_irq.h>
#include <linux/spinlock.h>
+#include "irqchip.h"
+
static DEFINE_SPINLOCK(lock);
/* spear300 shared irq registers offsets and masks */
@@ -300,6 +302,7 @@ int __init spear300_shirq_of_init(struct device_node *np,
return shirq_init(spear300_shirq_blocks,
ARRAY_SIZE(spear300_shirq_blocks), np);
}
+IRQCHIP_DECLARE(spear300_shirq, "st,spear300-shirq", spear300_shirq_of_init);
int __init spear310_shirq_of_init(struct device_node *np,
struct device_node *parent)
@@ -307,6 +310,7 @@ int __init spear310_shirq_of_init(struct device_node *np,
return shirq_init(spear310_shirq_blocks,
ARRAY_SIZE(spear310_shirq_blocks), np);
}
+IRQCHIP_DECLARE(spear310_shirq, "st,spear310-shirq", spear310_shirq_of_init);
int __init spear320_shirq_of_init(struct device_node *np,
struct device_node *parent)
@@ -314,3 +318,4 @@ int __init spear320_shirq_of_init(struct device_node *np,
return shirq_init(spear320_shirq_blocks,
ARRAY_SIZE(spear320_shirq_blocks), np);
}
+IRQCHIP_DECLARE(spear320_shirq, "st,spear320-shirq", spear320_shirq_of_init);
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 268f45d4239..6fbe1c96a40 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -26,13 +26,13 @@
#include <linux/fs.h>
#include <linux/platform_device.h>
#include <linux/uaccess.h>
+#include <linux/irqchip/arm-gic.h>
#include <linux/mfd/core.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/mfd/abx500/ab8500.h>
#include <linux/regulator/db8500-prcmu.h>
#include <linux/regulator/machine.h>
#include <linux/cpufreq.h>
-#include <asm/hardware/gic.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/db8500-regs.h>
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index 67e62d3d495..61043a92c00 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -1218,6 +1218,7 @@ static SIMPLE_DEV_PM_OPS(fsmc_nand_pm_ops, fsmc_nand_suspend, fsmc_nand_resume);
#ifdef CONFIG_OF
static const struct of_device_id fsmc_nand_id_table[] = {
{ .compatible = "st,spear600-fsmc-nand" },
+ { .compatible = "stericsson,fsmc-nand" },
{}
};
MODULE_DEVICE_TABLE(of, fsmc_nand_id_table);
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 5767b18ebdf..3197870d740 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -1846,6 +1846,10 @@ static struct pinctrl_desc nmk_pinctrl_desc = {
static const struct of_device_id nmk_pinctrl_match[] = {
{
+ .compatible = "stericsson,nmk-pinctrl-stn8815",
+ .data = (void *)PINCTRL_NMK_STN8815,
+ },
+ {
.compatible = "stericsson,nmk_pinctrl",
.data = (void *)PINCTRL_NMK_DB8500,
},