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Commit 0ded1bec authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by Ralf Baechle
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MIPS: BCM47XX: add vectored interrupt support 



This adds support for vectored interrupt which is supported by the SoC
using a MIPS 74K CPU like the BCM4716 and BCM4706.

Signed-off-by: default avatarHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6290/
parent d775c966

arch/mips/bcm47xx/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ config BCM47XX_SSB 
config BCM47XX_BCMA

	bool "BCMA Support for Broadcom BCM47XX"

	select SYS_HAS_CPU_MIPS32_R2

	select CPU_MIPSR2_IRQ_VI

	select BCMA

	select BCMA_HOST_SOC

	select BCMA_DRIVER_MIPS

arch/mips/bcm47xx/irq.c

+23 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/types.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <asm/setup.h>

#include <asm/irq_cpu.h>

#include <bcm47xx.h>
@@ -50,6 +51,18 @@ asmlinkage void plat_irq_dispatch(void) 
		do_IRQ(6);

}



#define DEFINE_HWx_IRQDISPATCH(x)					\

	static void bcm47xx_hw ## x ## _irqdispatch(void)		\

	{								\

		do_IRQ(x);						\

	}

DEFINE_HWx_IRQDISPATCH(2)

DEFINE_HWx_IRQDISPATCH(3)

DEFINE_HWx_IRQDISPATCH(4)

DEFINE_HWx_IRQDISPATCH(5)

DEFINE_HWx_IRQDISPATCH(6)

DEFINE_HWx_IRQDISPATCH(7)



void __init arch_init_irq(void)

{

#ifdef CONFIG_BCM47XX_BCMA
@@ -64,4 +77,14 @@ void __init arch_init_irq(void) 
	}

#endif

	mips_cpu_irq_init();



	if (cpu_has_vint) {

		pr_info("Setting up vectored interrupts\n");

		set_vi_handler(2, bcm47xx_hw2_irqdispatch);

		set_vi_handler(3, bcm47xx_hw3_irqdispatch);

		set_vi_handler(4, bcm47xx_hw4_irqdispatch);

		set_vi_handler(5, bcm47xx_hw5_irqdispatch);

		set_vi_handler(6, bcm47xx_hw6_irqdispatch);

		set_vi_handler(7, bcm47xx_hw7_irqdispatch);

	}

}