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Diffstat (limited to 'arch/arm/mach-ixp4xx/nas100d-pci.c')
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-pci.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/arch/arm/mach-ixp4xx/nas100d-pci.c b/arch/arm/mach-ixp4xx/nas100d-pci.c
index 1088426fdce..d0cea34cf61 100644
--- a/arch/arm/mach-ixp4xx/nas100d-pci.c
+++ b/arch/arm/mach-ixp4xx/nas100d-pci.c
@@ -18,37 +18,42 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>
-
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
+#define MAX_DEV 3
+#define IRQ_LINES 3
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define INTA 11
+#define INTB 10
+#define INTC 9
+#define INTD 8
+#define INTE 7
+
void __init nas100d_pci_preinit(void)
{
- set_irq_type(IRQ_NAS100D_PCI_INTA, IRQ_TYPE_LEVEL_LOW);
- set_irq_type(IRQ_NAS100D_PCI_INTB, IRQ_TYPE_LEVEL_LOW);
- set_irq_type(IRQ_NAS100D_PCI_INTC, IRQ_TYPE_LEVEL_LOW);
- set_irq_type(IRQ_NAS100D_PCI_INTD, IRQ_TYPE_LEVEL_LOW);
- set_irq_type(IRQ_NAS100D_PCI_INTE, 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);
+ set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW);
+ set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW);
+ set_irq_type(IXP4XX_GPIO_IRQ(INTE), IRQ_TYPE_LEVEL_LOW);
ixp4xx_pci_preinit();
}
static int __init nas100d_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
- static int pci_irq_table[NAS100D_PCI_MAX_DEV][NAS100D_PCI_IRQ_LINES] =
- {
- { IRQ_NAS100D_PCI_INTA, -1, -1 },
- { IRQ_NAS100D_PCI_INTB, -1, -1 },
- { IRQ_NAS100D_PCI_INTC, IRQ_NAS100D_PCI_INTD, IRQ_NAS100D_PCI_INTE },
+ static int pci_irq_table[MAX_DEV][IRQ_LINES] = {
+ { IXP4XX_GPIO_IRQ(INTA), -1, -1 },
+ { IXP4XX_GPIO_IRQ(INTB), -1, -1 },
+ { IXP4XX_GPIO_IRQ(INTC), IXP4XX_GPIO_IRQ(INTD),
+ IXP4XX_GPIO_IRQ(INTE) },
};
- int irq = -1;
-
- if (slot >= 1 && slot <= NAS100D_PCI_MAX_DEV &&
- pin >= 1 && pin <= NAS100D_PCI_IRQ_LINES)
- irq = pci_irq_table[slot-1][pin-1];
+ if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
+ return pci_irq_table[slot - 1][pin - 1];
- return irq;
+ return -1;
}
struct hw_pci __initdata nas100d_pci = {