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IXP4xx: GTWX5715 platform only has two PCI IRQ lines, not four.

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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa 2009-11-18 00:39:01 +01:00
parent 8d3fdf31dd
commit 0fd7dc7f6c
1 changed files with 11 additions and 21 deletions
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32
arch/arm/mach-ixp4xx/gtwx5715-pci.c
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@ -31,15 +31,9 @@
#include <asm/mach/pci.h>
#define SLOT0_DEVID 0
#define SLOT0_INTA 10
#define SLOT0_INTB 11
#define SLOT1_DEVID 1
#define SLOT1_INTA 11
#define SLOT1_INTB 10
#define SLOT_COUNT 2
#define INT_PIN_COUNT 2
#define INTA 10 /* slot 1 has INTA and INTB crossed */
#define INTB 11
/*
* Slot 0 isn't actually populated with a card connector but
@ -49,26 +43,22 @@
*/
void __init gtwx5715_pci_preinit(void)
{
set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTB), IRQ_TYPE_LEVEL_LOW);
set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTB), IRQ_TYPE_LEVEL_LOW);
set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW);
set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW);
ixp4xx_pci_preinit();
}
static int __init gtwx5715_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int rc;
static int gtwx5715_irqmap[SLOT_COUNT][INT_PIN_COUNT] = {
{IXP4XX_GPIO_IRQ(SLOT0_INTA), IXP4XX_GPIO_IRQ(SLOT0_INTB)},
{IXP4XX_GPIO_IRQ(SLOT1_INTA), IXP4XX_GPIO_IRQ(SLOT1_INTB)},
};
int rc = -1;
if (slot >= SLOT_COUNT || pin >= INT_PIN_COUNT)
rc = -1;
else
rc = gtwx5715_irqmap[slot][pin - 1];
if ((slot == SLOT0_DEVID && pin == 1) ||
(slot == SLOT1_DEVID && pin == 2))
rc = IXP4XX_GPIO_IRQ(INTA);
else if ((slot == SLOT0_DEVID && pin == 2) ||
(slot == SLOT1_DEVID && pin == 1))
rc = IXP4XX_GPIO_IRQ(INTB);
printk(KERN_INFO "%s: Mapped slot %d pin %d to IRQ %d\n",
__func__, slot, pin, rc);