From 0ded1becc8deaea66f8837c274fd84facc257919 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 22 Dec 2013 14:36:32 +0100 Subject: [PATCH] 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: Hauke Mehrtens Signed-off-by: John Crispin Patchwork: http://patchwork.linux-mips.org/patch/6290/ --- arch/mips/bcm47xx/Kconfig | 1 + arch/mips/bcm47xx/irq.c | 23 +++++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index a29f51dd373e..df549af380af 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -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 diff --git a/arch/mips/bcm47xx/irq.c b/arch/mips/bcm47xx/irq.c index a9133e9757a0..e0585b76ec19 100644 --- a/arch/mips/bcm47xx/irq.c +++ b/arch/mips/bcm47xx/irq.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -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); + } } -- GitLab