79 lines
2.2 KiB
Diff
79 lines
2.2 KiB
Diff
From d3d2b4200b5a42851365e903d101f8f0882eb9eb Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Thu, 31 Jan 2013 20:43:30 +0100
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Subject: [PATCH 14/14] MIPS: ralink: add CPU interrupt controller to
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of_irq_ids
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Convert the ralink IRQ code to make use of the new MIPS IRQ controller OF
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mappings.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Acked-by: David Daney <david.daney@cavium.com>
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Patchwork: http://patchwork.linux-mips.org/patch/4900/
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---
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arch/mips/ralink/dts/rt3050.dtsi | 10 ++++++++++
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arch/mips/ralink/irq.c | 10 +++++++---
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2 files changed, 17 insertions(+), 3 deletions(-)
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--- a/arch/mips/ralink/dts/rt3050.dtsi
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+++ b/arch/mips/ralink/dts/rt3050.dtsi
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@@ -13,6 +13,13 @@
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bootargs = "console=ttyS0,57600 init=/init";
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};
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+ cpuintc: cpuintc@0 {
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+ #address-cells = <0>;
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+ #interrupt-cells = <1>;
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+ interrupt-controller;
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+ compatible = "mti,cpu-interrupt-controller";
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+ };
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+
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palmbus@10000000 {
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compatible = "palmbus";
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reg = <0x10000000 0x200000>;
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@@ -37,6 +44,9 @@
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interrupt-controller;
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#interrupt-cells = <1>;
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+
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+ interrupt-parent = <&cpuintc>;
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+ interrupts = <2>;
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};
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memc@300 {
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--- a/arch/mips/ralink/irq.c
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+++ b/arch/mips/ralink/irq.c
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@@ -128,8 +128,11 @@ static int __init intc_of_init(struct de
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{
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struct resource res;
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struct irq_domain *domain;
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+ int irq;
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- mips_cpu_irq_init();
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+ irq = irq_of_parse_and_map(node, 0);
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+ if (!irq)
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+ panic("Failed to get INTC IRQ");
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if (of_address_to_resource(node, 0, &res))
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panic("Failed to get intc memory range");
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@@ -156,8 +159,8 @@ static int __init intc_of_init(struct de
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rt_intc_w32(INTC_INT_GLOBAL, INTC_REG_ENABLE);
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- irq_set_chained_handler(RALINK_CPU_IRQ_INTC, ralink_intc_irq_handler);
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- irq_set_handler_data(RALINK_CPU_IRQ_INTC, domain);
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+ irq_set_chained_handler(irq, ralink_intc_irq_handler);
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+ irq_set_handler_data(irq, domain);
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cp0_perfcount_irq = irq_create_mapping(domain, 9);
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@@ -165,6 +168,7 @@ static int __init intc_of_init(struct de
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}
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static struct of_device_id __initdata of_irq_ids[] = {
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+ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init },
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{ .compatible = "ralink,rt2880-intc", .data = intc_of_init },
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{},
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};
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