diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/dsmg600-pci.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/dsmg600-pci.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/arch/arm/mach-ixp4xx/dsmg600-pci.c b/arch/arm/mach-ixp4xx/dsmg600-pci.c index 926d15f885fb..fa70fed462ba 100644 --- a/arch/arm/mach-ixp4xx/dsmg600-pci.c +++ b/arch/arm/mach-ixp4xx/dsmg600-pci.c | |||
@@ -19,39 +19,45 @@ | |||
19 | #include <linux/pci.h> | 19 | #include <linux/pci.h> |
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <linux/irq.h> | 21 | #include <linux/irq.h> |
22 | |||
23 | #include <asm/mach/pci.h> | 22 | #include <asm/mach/pci.h> |
24 | #include <asm/mach-types.h> | 23 | #include <asm/mach-types.h> |
25 | 24 | ||
25 | #define MAX_DEV 4 | ||
26 | #define IRQ_LINES 3 | ||
27 | |||
28 | /* PCI controller GPIO to IRQ pin mappings */ | ||
29 | #define INTA 11 | ||
30 | #define INTB 10 | ||
31 | #define INTC 9 | ||
32 | #define INTD 8 | ||
33 | #define INTE 7 | ||
34 | #define INTF 6 | ||
35 | |||
26 | void __init dsmg600_pci_preinit(void) | 36 | void __init dsmg600_pci_preinit(void) |
27 | { | 37 | { |
28 | set_irq_type(IRQ_DSMG600_PCI_INTA, IRQ_TYPE_LEVEL_LOW); | 38 | set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW); |
29 | set_irq_type(IRQ_DSMG600_PCI_INTB, IRQ_TYPE_LEVEL_LOW); | 39 | set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW); |
30 | set_irq_type(IRQ_DSMG600_PCI_INTC, IRQ_TYPE_LEVEL_LOW); | 40 | set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW); |
31 | set_irq_type(IRQ_DSMG600_PCI_INTD, IRQ_TYPE_LEVEL_LOW); | 41 | set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW); |
32 | set_irq_type(IRQ_DSMG600_PCI_INTE, IRQ_TYPE_LEVEL_LOW); | 42 | set_irq_type(IXP4XX_GPIO_IRQ(INTE), IRQ_TYPE_LEVEL_LOW); |
33 | set_irq_type(IRQ_DSMG600_PCI_INTF, IRQ_TYPE_LEVEL_LOW); | 43 | set_irq_type(IXP4XX_GPIO_IRQ(INTF), IRQ_TYPE_LEVEL_LOW); |
34 | |||
35 | ixp4xx_pci_preinit(); | 44 | ixp4xx_pci_preinit(); |
36 | } | 45 | } |
37 | 46 | ||
38 | static int __init dsmg600_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 47 | static int __init dsmg600_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
39 | { | 48 | { |
40 | static int pci_irq_table[DSMG600_PCI_MAX_DEV][DSMG600_PCI_IRQ_LINES] = | 49 | static int pci_irq_table[MAX_DEV][IRQ_LINES] = { |
41 | { | 50 | { IXP4XX_GPIO_IRQ(INTE), -1, -1 }, |
42 | { IRQ_DSMG600_PCI_INTE, -1, -1 }, | 51 | { IXP4XX_GPIO_IRQ(INTA), -1, -1 }, |
43 | { IRQ_DSMG600_PCI_INTA, -1, -1 }, | 52 | { IXP4XX_GPIO_IRQ(INTB), IXP4XX_GPIO_IRQ(INTC), |
44 | { IRQ_DSMG600_PCI_INTB, IRQ_DSMG600_PCI_INTC, IRQ_DSMG600_PCI_INTD }, | 53 | IXP4XX_GPIO_IRQ(INTD) }, |
45 | { IRQ_DSMG600_PCI_INTF, -1, -1 }, | 54 | { IXP4XX_GPIO_IRQ(INTF), -1, -1 }, |
46 | }; | 55 | }; |
47 | 56 | ||
48 | int irq = -1; | 57 | if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES) |
49 | 58 | return pci_irq_table[slot - 1][pin - 1]; | |
50 | if (slot >= 1 && slot <= DSMG600_PCI_MAX_DEV && | ||
51 | pin >= 1 && pin <= DSMG600_PCI_IRQ_LINES) | ||
52 | irq = pci_irq_table[slot-1][pin-1]; | ||
53 | 59 | ||
54 | return irq; | 60 | return -1; |
55 | } | 61 | } |
56 | 62 | ||
57 | struct hw_pci __initdata dsmg600_pci = { | 63 | struct hw_pci __initdata dsmg600_pci = { |