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authorLennert Buytenhek <buytenh@wantstofly.org>2008-08-26 16:04:05 +0200
committerNicolas Pitre <nico@cam.org>2008-09-25 16:26:44 -0400
commit1f8081f539a80c3d36a17ecd094d104eae60c01c (patch)
tree506a9455a96a7932ee01a7c4ea1432668e50eed3 /arch/arm/mach-mv78xx0/include
parent144f814a439ff0b8ad62c51d74e56b490e651ded (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.S18
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/irqs.h7
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/mv78xx0.h2
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 ed4a46bcd3b..fbfb2693ce6 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 995d7fb8d06..bebc330281e 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 ad664178d6e..ee9c5593ee9 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)