brcm63xx: register interrupt-controllers through DT when possible

Add the required nodes for the interrupt controllers and register
them through DT when a DTB is present.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 43457

1 files changed, 38 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.14/373-MIPS-BCM63XX-register-interrupt-controllers-through-.patch b/target/linux/brcm63xx/patches-3.14/373-MIPS-BCM63XX-register-interrupt-controllers-through-.patch
new file mode 100644
index 0000000000..5a74ddb839
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.14/373-MIPS-BCM63XX-register-interrupt-controllers-through-.patch
@@ -0,0 +1,38 @@
+From 7c22b08baba941a8c83072047b0d2b55a6b952aa Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jogo@openwrt.org>
+Date: Mon, 1 Dec 2014 00:20:07 +0100
+Subject: [PATCH] MIPS: BCM63XX: register interrupt controllers through DT
+
+Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+---
+ arch/mips/bcm63xx/irq.c |   10 +++++++++-
+ 1 file changed, 9 insertions(+), 1 deletion(-)
+
+--- 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-intc.h>
+ #include <linux/irqchip/irq-bcm6345-l2-intc.h>
++#include <linux/of.h>
++#include <linux/of_fdt.h>
+ #include <asm/irq_cpu.h>
+ #include <asm/mipsregs.h>
+ #include <bcm63xx_cpu.h>
+@@ -189,7 +191,15 @@ static void bcm63xx_init_irq(void)
+ 				      ext_shift);
+ }
+ 
++static const struct of_device_id irqchip_of_match_mips_cpu_intc __used __section(__irqchip_of_table) = {
++	.compatible = "mti,cpu-interrupt-controller",
++	.data = mips_cpu_irq_of_init,
++};
++
+ void __init arch_init_irq(void)
+ {
+-	bcm63xx_init_irq();
++	if (initial_boot_params)
++		irqchip_init();
++	else
++		bcm63xx_init_irq();
+ }