diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-08-26 16:04:05 +0200 |
|---|---|---|
| committer | Nicolas Pitre <nico@cam.org> | 2008-09-25 16:26:44 -0400 |
| commit | 1f8081f539a80c3d36a17ecd094d104eae60c01c (patch) | |
| tree | 506a9455a96a7932ee01a7c4ea1432668e50eed3 /arch/arm/mach-mv78xx0/include | |
| parent | 144f814a439ff0b8ad62c51d74e56b490e651ded (diff) | |
[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>
Diffstat (limited to 'arch/arm/mach-mv78xx0/include')
| -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 |
3 files changed, 21 insertions, 6 deletions
diff --git a/arch/arm/mach-mv78xx0/include/mach/entry-macro.S b/arch/arm/mach-mv78xx0/include/mach/entry-macro.S index ed4a46bcd3b0..fbfb2693ce6c 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 995d7fb8d06f..bebc330281ec 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 ad664178d6e1..ee9c5593ee92 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) |