OpenWrt – Rev 1
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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
@@ -14,6 +14,8 @@
#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>
@@ -21,6 +23,9 @@
#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];
@@ -29,6 +34,13 @@ 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);