openwrtv4/target/linux/brcm63xx/patches-4.1/373-MIPS-BCM63XX-register-interrupt-controllers-through-.patch

From 8a0803979163c647736cb234ee1620c049c4915c Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Mon, 1 Dec 2014 00:20:07 +0100
Subject: [PATCH 5/5] MIPS: BCM63XX: register interrupt controllers through DT

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/irq.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -15,6 +15,8 @@
 #include <linux/irqchip.h>
 #include <linux/irqchip/irq-bcm6345-ext.h>
 #include <linux/irqchip/irq-bcm6345-periph.h>
+#include <linux/of.h>
+#include <linux/of_fdt.h>
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <bcm63xx_cpu.h>
@@ -22,6 +24,9 @@
 #include <bcm63xx_io.h>
 #include <bcm63xx_irq.h>
 
+IRQCHIP_DECLARE(mips_cpu_intc, "mti,cpu-interrupt-controller",
+	     mips_cpu_irq_of_init);
+
 void __init arch_init_irq(void)
 {
 	void __iomem *periph_bases[2];
@@ -30,6 +35,13 @@ void __init arch_init_irq(void)
 	int periph_irqs[2] = { 2, 3 };
 	int ext_irqs[6];
 
+#ifdef CONFIG_OF
+	if (initial_boot_params) {
+		irqchip_init();
+		return;
+	}
+#endif
+
 	periph_bases[0] = (void __iomem *)bcm63xx_regset_address(RSET_PERF);
 	periph_bases[1] = (void __iomem *)bcm63xx_regset_address(RSET_PERF);
 	ext_intc_bases[0] = (void __iomem *)bcm63xx_regset_address(RSET_PERF);