diff options
author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-08-26 16:04:05 +0200 |
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committer | Nicolas Pitre <nico@cam.org> | 2008-09-25 16:26:44 -0400 |
commit | 1f8081f539a80c3d36a17ecd094d104eae60c01c (patch) | |
tree | 506a9455a96a7932ee01a7c4ea1432668e50eed3 | |
parent | 144f814a439ff0b8ad62c51d74e56b490e651ded (diff) | |
download | op-kernel-dev-1f8081f539a80c3d36a17ecd094d104eae60c01c.zip op-kernel-dev-1f8081f539a80c3d36a17ecd094d104eae60c01c.tar.gz |
[ARM] mv78xx0: wire up ethernet error interrupt
Wire up the ethernet port's error interrupt so that the
mv643xx_eth driver can sleep for SMI event completion instead of
having to busy-wait for it.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
-rw-r--r-- | arch/arm/mach-mv78xx0/common.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/include/mach/entry-macro.S | 18 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/include/mach/irqs.h | 7 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/include/mach/mv78xx0.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/irq.c | 1 |
5 files changed, 28 insertions, 7 deletions
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c index 953a26c..d56a05e 100644 --- a/arch/arm/mach-mv78xx0/common.c +++ b/arch/arm/mach-mv78xx0/common.c @@ -285,6 +285,11 @@ static struct resource mv78xx0_ge00_shared_resources[] = { .start = GE00_PHYS_BASE + 0x2000, .end = GE00_PHYS_BASE + 0x3fff, .flags = IORESOURCE_MEM, + }, { + .name = "ge err irq", + .start = IRQ_MV78XX0_GE_ERR, + .end = IRQ_MV78XX0_GE_ERR, + .flags = IORESOURCE_IRQ, }, }; @@ -294,7 +299,7 @@ static struct platform_device mv78xx0_ge00_shared = { .dev = { .platform_data = &mv78xx0_ge00_shared_data, }, - .num_resources = 1, + .num_resources = ARRAY_SIZE(mv78xx0_ge00_shared_resources), .resource = mv78xx0_ge00_shared_resources, }; diff --git a/arch/arm/mach-mv78xx0/include/mach/entry-macro.S b/arch/arm/mach-mv78xx0/include/mach/entry-macro.S index ed4a46b..fbfb269 100644 --- a/arch/arm/mach-mv78xx0/include/mach/entry-macro.S +++ b/arch/arm/mach-mv78xx0/include/mach/entry-macro.S @@ -26,14 +26,22 @@ ldr \tmp, [\base, #IRQ_MASK_LOW_OFF] mov \irqnr, #31 ands \irqstat, \irqstat, \tmp + bne 1001f @ if no low interrupts set, check high interrupts - ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF] - ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF] - moveq \irqnr, #63 - andeqs \irqstat, \irqstat, \tmp + ldr \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF] + ldr \tmp, [\base, #IRQ_MASK_HIGH_OFF] + mov \irqnr, #63 + ands \irqstat, \irqstat, \tmp + bne 1001f + + @ if no high interrupts set, check error interrupts + ldr \irqstat, [\base, #IRQ_CAUSE_ERR_OFF] + ldr \tmp, [\base, #IRQ_MASK_ERR_OFF] + mov \irqnr, #95 + ands \irqstat, \irqstat, \tmp @ find first active interrupt source - clzne \irqstat, \irqstat +1001: clzne \irqstat, \irqstat subne \irqnr, \irqnr, \irqstat .endm diff --git a/arch/arm/mach-mv78xx0/include/mach/irqs.h b/arch/arm/mach-mv78xx0/include/mach/irqs.h index 995d7fb..bebc330 100644 --- a/arch/arm/mach-mv78xx0/include/mach/irqs.h +++ b/arch/arm/mach-mv78xx0/include/mach/irqs.h @@ -80,9 +80,14 @@ #define IRQ_MV78XX0_DB_OUT 61 /* + * MV78xx0 Error Interrupt Controller + */ +#define IRQ_MV78XX0_GE_ERR 70 + +/* * MV78XX0 General Purpose Pins */ -#define IRQ_MV78XX0_GPIO_START 64 +#define IRQ_MV78XX0_GPIO_START 96 #define NR_GPIO_IRQS GPIO_MAX #define NR_IRQS (IRQ_MV78XX0_GPIO_START + NR_GPIO_IRQS) diff --git a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h index ad66417..ee9c559 100644 --- a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h +++ b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h @@ -71,8 +71,10 @@ #define BRIDGE_INT_TIMER1 0x0004 #define BRIDGE_INT_TIMER1_CLR (~0x0004) #define IRQ_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0200) +#define IRQ_CAUSE_ERR_OFF 0x0000 #define IRQ_CAUSE_LOW_OFF 0x0004 #define IRQ_CAUSE_HIGH_OFF 0x0008 +#define IRQ_MASK_ERR_OFF 0x000c #define IRQ_MASK_LOW_OFF 0x0010 #define IRQ_MASK_HIGH_OFF 0x0014 #define TIMER_VIRT_BASE (BRIDGE_VIRT_BASE | 0x0300) diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c index 28248d3..503e5d1 100644 --- a/arch/arm/mach-mv78xx0/irq.c +++ b/arch/arm/mach-mv78xx0/irq.c @@ -19,4 +19,5 @@ void __init mv78xx0_init_irq(void) { orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF)); orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF)); + orion_irq_init(64, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF)); } |