diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/nslu2-pci.c')
| -rw-r--r-- | arch/arm/mach-ixp4xx/nslu2-pci.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c index 4429b8448b61..1eb5a90470bc 100644 --- a/arch/arm/mach-ixp4xx/nslu2-pci.c +++ b/arch/arm/mach-ixp4xx/nslu2-pci.c @@ -18,35 +18,38 @@ #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 + void __init nslu2_pci_preinit(void) { - set_irq_type(IRQ_NSLU2_PCI_INTA, IRQ_TYPE_LEVEL_LOW); - set_irq_type(IRQ_NSLU2_PCI_INTB, IRQ_TYPE_LEVEL_LOW); - set_irq_type(IRQ_NSLU2_PCI_INTC, 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); ixp4xx_pci_preinit(); } static int __init nslu2_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { - static int pci_irq_table[NSLU2_PCI_IRQ_LINES] = { - IRQ_NSLU2_PCI_INTA, - IRQ_NSLU2_PCI_INTB, - IRQ_NSLU2_PCI_INTC, + static int pci_irq_table[IRQ_LINES] = { + IXP4XX_GPIO_IRQ(INTA), + IXP4XX_GPIO_IRQ(INTB), + IXP4XX_GPIO_IRQ(INTC), }; - int irq = -1; - - if (slot >= 1 && slot <= NSLU2_PCI_MAX_DEV && - pin >= 1 && pin <= NSLU2_PCI_IRQ_LINES) { - irq = pci_irq_table[(slot + pin - 2) % NSLU2_PCI_IRQ_LINES]; - } + if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES) + return pci_irq_table[(slot + pin - 2) % IRQ_LINES]; - return irq; + return -1; } struct hw_pci __initdata nslu2_pci = { |