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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2007-05-06 20:58:29 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-05-06 20:58:29 +0100
commit5cd47155155a32e5b944ac9fc3f3dc578e429aa0 (patch)
treeea05bfdbae04eb5ffbafa2c58fc68897a3f541d6 /arch/arm/mach-ixp4xx/common.c
parent6f95416ebe81b3ad63884538555efb81cb05749f (diff)
parent28bd3a0dcce11bea6f99a351cc64053dff00196e (diff)
downloadop-kernel-dev-5cd47155155a32e5b944ac9fc3f3dc578e429aa0.zip
op-kernel-dev-5cd47155155a32e5b944ac9fc3f3dc578e429aa0.tar.gz
Merge branch 'ixp4xx' into devel
Conflicts: include/asm-arm/arch-ixp4xx/io.h
Diffstat (limited to 'arch/arm/mach-ixp4xx/common.c')
-rw-r--r--arch/arm/mach-ixp4xx/common.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 09edea9..f5cae1e 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -105,6 +105,29 @@ static signed char irq2gpio[32] = {
7, 8, 9, 10, 11, 12, -1, -1,
};
+int gpio_to_irq(int gpio)
+{
+ int irq;
+
+ for (irq = 0; irq < 32; irq++) {
+ if (irq2gpio[irq] == gpio)
+ return irq;
+ }
+ return -EINVAL;
+}
+EXPORT_SYMBOL(gpio_to_irq);
+
+int irq_to_gpio(int irq)
+{
+ int gpio = (irq < 32) ? irq2gpio[irq] : -EINVAL;
+
+ if (gpio == -1)
+ return -EINVAL;
+
+ return gpio;
+}
+EXPORT_SYMBOL(irq_to_gpio);
+
static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
{
int line = irq2gpio[irq];
@@ -172,7 +195,7 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
static void ixp4xx_irq_mask(unsigned int irq)
{
- if (cpu_is_ixp46x() && irq >= 32)
+ if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && irq >= 32)
*IXP4XX_ICMR2 &= ~(1 << (irq - 32));
else
*IXP4XX_ICMR &= ~(1 << irq);
@@ -195,7 +218,7 @@ static void ixp4xx_irq_unmask(unsigned int irq)
if (!(ixp4xx_irq_edge & (1 << irq)))
ixp4xx_irq_ack(irq);
- if (cpu_is_ixp46x() && irq >= 32)
+ if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && irq >= 32)
*IXP4XX_ICMR2 |= (1 << (irq - 32));
else
*IXP4XX_ICMR |= (1 << irq);
@@ -219,7 +242,7 @@ void __init ixp4xx_init_irq(void)
/* Disable all interrupt */
*IXP4XX_ICMR = 0x0;
- if (cpu_is_ixp46x()) {
+ if (cpu_is_ixp46x() || cpu_is_ixp43x()) {
/* Route upper 32 sources to IRQ instead of FIQ */
*IXP4XX_ICLR2 = 0x00;
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