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

10 files changed, 334 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/dts/bcm6318.dtsi b/target/linux/brcm63xx/dts/bcm6318.dtsi
index 370183e81c..723c488f20 100644
--- a/target/linux/brcm63xx/dts/bcm6318.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6318.dtsi
@@ -14,6 +14,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	ubus@10000000 {
@@ -21,5 +29,27 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		ext_intc: interrupt-controller@10000018 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0x10000018 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <24>, <25>, <26>, <27>;
+		};
+
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0x10000020 0x20>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm63268.dtsi b/target/linux/brcm63xx/dts/bcm63268.dtsi
index eafa74b6ac..214cd6266c 100644
--- a/target/linux/brcm63xx/dts/bcm63268.dtsi
+++ b/target/linux/brcm63xx/dts/bcm63268.dtsi
@@ -20,6 +20,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	ubus@10000000 {
@@ -27,5 +35,28 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		ext_intc: interrupt-controller@10000018 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0x10000018 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <44>, <45>, <46>, <47>;
+		};
+
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0x10000020 0x20>,
+			      <0x10000040 0x20>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>, <3>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6328.dtsi b/target/linux/brcm63xx/dts/bcm6328.dtsi
index c9940c16de..0ed186e185 100644
--- a/target/linux/brcm63xx/dts/bcm6328.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6328.dtsi
@@ -14,6 +14,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	ubus@10000000 {
@@ -21,5 +29,27 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		ext_intc: interrupt-controller@10000018 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0x10000018 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <24>, <25>, <26>, <27>;
+		};
+
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0x10000020 0x10>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6338.dtsi b/target/linux/brcm63xx/dts/bcm6338.dtsi
index 9746e7a4fd..b527781060 100644
--- a/target/linux/brcm63xx/dts/bcm6338.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6338.dtsi
@@ -18,6 +18,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	pflash: nor@1fc00000 {
@@ -35,5 +43,27 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		periph_intc: interrupt-controller@fffe000c {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0xfffe000c 0x8>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>;
+		};
+
+		ext_intc: interrupt-controller@fffe0014 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0xfffe0014 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <3>, <4>, <5>, <6>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6345.dtsi b/target/linux/brcm63xx/dts/bcm6345.dtsi
index 03e742b7ac..16ba8bd6c0 100644
--- a/target/linux/brcm63xx/dts/bcm6345.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6345.dtsi
@@ -18,6 +18,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	pflash: nor@1fc00000 {
@@ -35,5 +43,27 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		periph_intc: interrupt-controller@fffe000c {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0xfffe000c 0x9>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>;
+		};
+
+		ext_intc: interrupt-controller@fffe0014 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0xfffe0014 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <3>, <4>, <5>, <6>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6348.dtsi b/target/linux/brcm63xx/dts/bcm6348.dtsi
index 404ed33435..06ecbaa1f9 100644
--- a/target/linux/brcm63xx/dts/bcm6348.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6348.dtsi
@@ -18,6 +18,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	pflash: nor@1fc00000 {
@@ -35,5 +43,27 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		periph_intc: interrupt-controller@fffe000c {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0xfffe000c 0x8>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>;
+		};
+
+		ext_intc: interrupt-controller@fffe0014 {
+			compatible = "brcm,bcm6348-ext-intc";
+			reg = <0xfffe0014 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <3>, <4>, <5>, <6>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6358.dtsi b/target/linux/brcm63xx/dts/bcm6358.dtsi
index b376cf01f3..a4af2144a8 100644
--- a/target/linux/brcm63xx/dts/bcm6358.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6358.dtsi
@@ -24,6 +24,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	pflash: nor@1e000000 {
@@ -41,5 +49,39 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		periph_intc: interrupt-controller@fffe000c {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0xfffe000c 0x8>,
+			      <0xfffe0038 0x8>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>, <3>;
+		};
+
+		ext_intc0: interrupt-controller@fffe0014 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0xfffe0014 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <25>, <26>, <27>, <28>;
+		};
+
+		ext_intc1: interrupt-controller@fffe001c {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0xfffe001c 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <20>, <21>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6362.dtsi b/target/linux/brcm63xx/dts/bcm6362.dtsi
index 543d24ebae..36765b0eba 100644
--- a/target/linux/brcm63xx/dts/bcm6362.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6362.dtsi
@@ -20,6 +20,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	ubus@10000000 {
@@ -27,5 +35,28 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		ext_intc: interrupt-controller@10000018 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0x10000018 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <40>, <41>, <42>, <43>;
+		};
+
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0x10000020 0x10>,
+			      <0x10000030 0x10>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>, <3>;
+		};
 	};
 };
diff --git a/target/linux/brcm63xx/dts/bcm6368.dtsi b/target/linux/brcm63xx/dts/bcm6368.dtsi
index 378f4fb5bf..dcbbdbfe81 100644
--- a/target/linux/brcm63xx/dts/bcm6368.dtsi
+++ b/target/linux/brcm63xx/dts/bcm6368.dtsi
@@ -24,6 +24,14 @@
 		};
 	};
 
+	cpu_intc: interrupt-controller {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
 	memory { device_type = "memory"; reg = <0 0>; };
 
 	ubus@10000000 {
@@ -31,6 +39,40 @@
 		#size-cells = <1>;
 		ranges;
 		compatible = "simple-bus";
+
+		ext_intc0: interrupt-controller@10000018 {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0x10000018 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <20>, <21>, <22>, <23>;
+		};
+
+		ext_intc1: interrupt-controller@1000001c {
+			compatible = "brcm,bcm6345-ext-intc";
+			reg = <0x1000001c 0x4>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&periph_intc>;
+			interrupts = <24>, <25>;
+		};
+
+		periph_intc: interrupt-controller@10000020 {
+			compatible = "brcm,bcm6345-l2-intc";
+			reg = <0x10000020 0x10>,
+			      <0x10000030 0x10>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <2>, <3>;
+		};
 	};
 
 	pflash: nor@18000000 {
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();
+ }