From 0902d19dabf3843630189f53893782843286f740 Mon Sep 17 00:00:00 2001 From: hauke Date: Sun, 1 Dec 2013 16:37:58 +0000 Subject: [PATCH] brcm47xx: add vectored interrupts This adds support for vectored interrupts in this SoC. This is supported by the 74K cpus. Signed-off-by: Hauke Mehrtens git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38975 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/brcm47xx/config-3.10 | 1 + .../110-MIPS-BCM47XX-add-vint-irq.patch | 66 ++++++++++++++++++++++ 2 files changed, 67 insertions(+) create mode 100644 target/linux/brcm47xx/patches-3.10/110-MIPS-BCM47XX-add-vint-irq.patch diff --git a/target/linux/brcm47xx/config-3.10 b/target/linux/brcm47xx/config-3.10 index 78b69edb08..141bff0d2d 100644 --- a/target/linux/brcm47xx/config-3.10 +++ b/target/linux/brcm47xx/config-3.10 @@ -42,6 +42,7 @@ CONFIG_CPU_MIPS32=y CONFIG_CPU_MIPS32_R1=y # CONFIG_CPU_MIPS32_R2 is not set CONFIG_CPU_MIPSR1=y +CONFIG_CPU_MIPSR2_IRQ_VI=y CONFIG_CPU_R4K_CACHE_TLB=y CONFIG_CPU_R4K_FPU=y CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y diff --git a/target/linux/brcm47xx/patches-3.10/110-MIPS-BCM47XX-add-vint-irq.patch b/target/linux/brcm47xx/patches-3.10/110-MIPS-BCM47XX-add-vint-irq.patch new file mode 100644 index 0000000000..6351a9c4d4 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.10/110-MIPS-BCM47XX-add-vint-irq.patch @@ -0,0 +1,66 @@ +From d9e8fd334d85fc8e4a2867655309a60c8de80883 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens +Date: Wed, 20 Nov 2013 23:03:35 +0100 +Subject: [PATCH 18/18] bcm47xx: add cpu_has_vint + +--- + arch/mips/bcm47xx/Kconfig | 1 + + arch/mips/bcm47xx/irq.c | 24 ++++++++++++++++++++++++ + 2 files changed, 25 insertions(+) + +--- 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 +--- 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 @@ 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 +@@ -63,5 +76,16 @@ void __init arch_init_irq(void) + cp0_compare_irq = 7; + } + #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); ++ } + } -- 2.11.0