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IXP4xx: Introduce IXP4XX_GPIO_IRQ(n) macro and convert IXP4xx platform files.

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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa
2009-11-17 18:48:23 +01:00
parent a8b7b34075
commit 8d3fdf31dd
10 changed files with 169 additions and 234 deletions
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46
arch/arm/mach-ixp4xx/ixdp425-pci.c
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@@ -24,47 +24,38 @@
#include <mach/hardware.h>
#include <asm/mach-types.h>
#define IXDP425_PCI_MAX_DEV 4
#define IXDP425_PCI_IRQ_LINES 4
#define MAX_DEV 4
#define IRQ_LINES 4
/* PCI controller GPIO to IRQ pin mappings */
#define IXDP425_PCI_INTA_PIN 11
#define IXDP425_PCI_INTB_PIN 10
#define IXDP425_PCI_INTC_PIN 9
#define IXDP425_PCI_INTD_PIN 8
#define INTA 11
#define INTB 10
#define INTC 9
#define INTD 8
#define IRQ_IXDP425_PCI_INTA IRQ_IXP4XX_GPIO11
#define IRQ_IXDP425_PCI_INTB IRQ_IXP4XX_GPIO10
#define IRQ_IXDP425_PCI_INTC IRQ_IXP4XX_GPIO9
#define IRQ_IXDP425_PCI_INTD IRQ_IXP4XX_GPIO8
void __init ixdp425_pci_preinit(void)
{
set_irq_type(IRQ_IXDP425_PCI_INTA, IRQ_TYPE_LEVEL_LOW);
set_irq_type(IRQ_IXDP425_PCI_INTB, IRQ_TYPE_LEVEL_LOW);
set_irq_type(IRQ_IXDP425_PCI_INTC, IRQ_TYPE_LEVEL_LOW);
set_irq_type(IRQ_IXDP425_PCI_INTD, 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);
ixp4xx_pci_preinit();
}
static int __init ixdp425_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
static int pci_irq_table[IXDP425_PCI_IRQ_LINES] = {
IRQ_IXDP425_PCI_INTA,
IRQ_IXDP425_PCI_INTB,
IRQ_IXDP425_PCI_INTC,
IRQ_IXDP425_PCI_INTD
static int pci_irq_table[IRQ_LINES] = {
IXP4XX_GPIO_IRQ(INTA),
IXP4XX_GPIO_IRQ(INTB),
IXP4XX_GPIO_IRQ(INTC),
IXP4XX_GPIO_IRQ(INTD)
};
int irq = -1;
if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
return pci_irq_table[(slot + pin - 2) % 4];
if (slot >= 1 && slot <= IXDP425_PCI_MAX_DEV &&
pin >= 1 && pin <= IXDP425_PCI_IRQ_LINES) {
irq = pci_irq_table[(slot + pin - 2) % 4];
}
return irq;
return -1;
}
struct hw_pci ixdp425_pci __initdata = {
@@ -85,4 +76,3 @@ int __init ixdp425_pci_init(void)
}
subsys_initcall(ixdp425_pci_init);