diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.9/320-MIPS-BCM63XX-wire-up-the-second-CPU-s-irq-line.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.9/320-MIPS-BCM63XX-wire-up-the-second-CPU-s-irq-line.patch | 70 |
1 files changed, 37 insertions, 33 deletions
diff --git a/target/linux/brcm63xx/patches-3.9/320-MIPS-BCM63XX-wire-up-the-second-CPU-s-irq-line.patch b/target/linux/brcm63xx/patches-3.9/320-MIPS-BCM63XX-wire-up-the-second-CPU-s-irq-line.patch index 2acbf30..2d92c24 100644 --- a/target/linux/brcm63xx/patches-3.9/320-MIPS-BCM63XX-wire-up-the-second-CPU-s-irq-line.patch +++ b/target/linux/brcm63xx/patches-3.9/320-MIPS-BCM63XX-wire-up-the-second-CPU-s-irq-line.patch @@ -1,77 +1,80 @@ -From 1baec3216529f795905b6376f9c8e4f14b114ba2 Mon Sep 17 00:00:00 2001 +From 70c33fe0df8d14e40f3ca92ce56a668d66184858 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 12:03:15 +0200 -Subject: [PATCH 11/13] MIPS: BCM63XX: wire up the second CPU's irq line +Subject: [PATCH 12/14] MIPS: BCM63XX: wire up the second cpu's irq line -It's hardwired to IRQ3, so we don't need to actually check the CPU id. - -Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- - arch/mips/bcm63xx/irq.c | 40 ++++++++++++++++++++++++++++++++-------- - 1 file changed, 32 insertions(+), 8 deletions(-) + arch/mips/bcm63xx/irq.c | 50 ++++++++++++++++++++++++++++++++++++++--------- + 1 file changed, 41 insertions(+), 9 deletions(-) --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c -@@ -329,11 +329,15 @@ static void __internal_irq_mask_##width( +@@ -363,13 +363,20 @@ static void __internal_irq_mask_##width( u32 val; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ unsigned bit = irq & 0x1f; \ - u32 irq_mask_addr = get_irq_mask_addr(0); \ + unsigned long flags; \ + int cpu; \ \ + spin_lock_irqsave(&ipic_lock, flags); \ - val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ - val &= ~(1 << bit); \ - bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ -+ for_each_online_cpu(cpu) { \ ++ for_each_present_cpu(cpu) { \ + u32 irq_mask_addr = get_irq_mask_addr(cpu); \ + \ ++ if (!irq_mask_addr) \ ++ break; \ ++ \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ + val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ + } \ + spin_unlock_irqrestore(&ipic_lock, flags); \ } \ \ - static void __internal_irq_unmask_##width(unsigned int irq) \ -@@ -341,11 +345,15 @@ static void __internal_irq_unmask_##widt +@@ -378,13 +385,23 @@ static void __internal_irq_unmask_##widt u32 val; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ unsigned bit = irq & 0x1f; \ - u32 irq_mask_addr = get_irq_mask_addr(0); \ + unsigned long flags; \ + int cpu; \ -+ \ -+ for_each_online_cpu(cpu) { \ -+ u32 irq_mask_addr = get_irq_mask_addr(cpu); \ \ + spin_lock_irqsave(&ipic_lock, flags); \ - val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ - val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ ++ for_each_present_cpu(cpu) { \ ++ u32 irq_mask_addr = get_irq_mask_addr(cpu); \ ++ \ ++ if (!irq_mask_addr) \ ++ break; \ ++ \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val |= (1 << bit); \ ++ if (cpu_online(cpu)) \ ++ val |= (1 << bit); \ ++ else \ ++ val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ + } \ + spin_unlock_irqrestore(&ipic_lock, flags); \ } - BUILD_IPIC_INTERNAL(32); -@@ -369,6 +377,10 @@ asmlinkage void plat_irq_dispatch(void) +@@ -409,7 +426,10 @@ asmlinkage void plat_irq_dispatch(void) do_IRQ(1); if (cause & CAUSEF_IP2) dispatch_internal(0); -+#ifdef CONFIG_SMP -+ if (cause & CAUSEF_IP3) -+ dispatch_internal(1); -+#else - if (!is_ext_irq_cascaded) { +- if (!is_ext_irq_cascaded) { ++ if (is_ext_irq_cascaded) { ++ if (cause & CAUSEF_IP3) ++ dispatch_internal(1); ++ } else { if (cause & CAUSEF_IP3) do_IRQ(IRQ_EXT_0); -@@ -379,6 +391,7 @@ asmlinkage void plat_irq_dispatch(void) - if (cause & CAUSEF_IP6) - do_IRQ(IRQ_EXT_3); - } -+#endif - } while (1); - } - -@@ -598,6 +611,14 @@ static struct irqaction cpu_ip2_cascade_ + if (cause & CAUSEF_IP4) +@@ -622,6 +642,14 @@ static struct irqaction cpu_ip2_cascade_ .flags = IRQF_NO_THREAD, }; @@ -86,11 +89,12 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static struct irqaction cpu_ext_cascade_action = { .handler = no_action, .name = "cascade_extirq", -@@ -624,4 +645,7 @@ void __init arch_init_irq(void) +@@ -648,4 +676,8 @@ void __init arch_init_irq(void) } setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); +#ifdef CONFIG_SMP -+ setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); ++ if (is_ext_irq_cascaded) ++ setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); +#endif } |