ARM: shmobile: r8a7740: move r8a7740_init_irq_of() to setup

This patch moves r8a7740_init_irq_of() to setup code,
and remove intc-r8a7740

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/Makefile

@@ -9,7 +9,7 @@ obj-y				:= timer.o console.o clock.o
 obj-$(CONFIG_ARCH_SH7372)	+= setup-sh7372.o clock-sh7372.o intc-sh7372.o
 obj-$(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 intc-r8a7740.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_R8A7790)	+= setup-r8a7790.o clock-r8a7790.o

arch/arm/mach-shmobile/setup-r8a7740.c

@@ -22,6 +22,8 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-gic.h>
 #include <linux/platform_data/irq-renesas-intc-irqpin.h>
 #include <linux/platform_device.h>
 #include <linux/of_platform.h>
@@ -1019,6 +1021,36 @@ void __init r8a7740_init_delay(void)
 	shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
 };
 
+void __init r8a7740_init_irq_of(void)
+{
+	void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10);
+	void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10);
+	void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4);
+
+	irqchip_init();
+
+	/* route signals to GIC */
+	iowrite32(0x0, pfc_inta_ctrl);
+
+	/*
+	 * To mask the shared interrupt to SPI 149 we must ensure to set
+	 * PRIO *and* MASK. Else we run into IRQ floods when registering
+	 * the intc_irqpin devices
+	 */
+	iowrite32(0x0, intc_prio_base + 0x0);
+	iowrite32(0x0, intc_prio_base + 0x4);
+	iowrite32(0x0, intc_prio_base + 0x8);
+	iowrite32(0x0, intc_prio_base + 0xc);
+	iowrite8(0xff, intc_msk_base + 0x0);
+	iowrite8(0xff, intc_msk_base + 0x4);
+	iowrite8(0xff, intc_msk_base + 0x8);
+	iowrite8(0xff, intc_msk_base + 0xc);
+
+	iounmap(intc_prio_base);
+	iounmap(intc_msk_base);
+	iounmap(pfc_inta_ctrl);
+}
+
 static void __init r8a7740_generic_init(void)
 {
 	r8a7740_clock_init(0);