diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1550/platform.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1550/platform.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/arch/mips/alchemy/devboards/pb1550/platform.c b/arch/mips/alchemy/devboards/pb1550/platform.c index 87c79b7f3123..0c5711fa0734 100644 --- a/arch/mips/alchemy/devboards/pb1550/platform.c +++ b/arch/mips/alchemy/devboards/pb1550/platform.c @@ -19,13 +19,56 @@ */ #include <linux/init.h> - +#include <linux/platform_device.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-pb1x00/pb1550.h> #include <asm/mach-db1x00/bcsr.h> #include "../platform.h" +static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin) +{ + if ((slot < 12) || (slot > 13) || pin == 0) + return -1; + if (slot == 12) { + switch (pin) { + case 1: return AU1500_PCI_INTB; + case 2: return AU1500_PCI_INTC; + case 3: return AU1500_PCI_INTD; + case 4: return AU1500_PCI_INTA; + } + } + if (slot == 13) { + switch (pin) { + case 1: return AU1500_PCI_INTA; + case 2: return AU1500_PCI_INTB; + case 3: return AU1500_PCI_INTC; + case 4: return AU1500_PCI_INTD; + } + } + return -1; +} + +static struct resource alchemy_pci_host_res[] = { + [0] = { + .start = AU1500_PCI_PHYS_ADDR, + .end = AU1500_PCI_PHYS_ADDR + 0xfff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct alchemy_pci_platdata pb1550_pci_pd = { + .board_map_irq = pb1550_map_pci_irq, +}; + +static struct platform_device pb1550_pci_host = { + .dev.platform_data = &pb1550_pci_pd, + .name = "alchemy-pci", + .id = 0, + .num_resources = ARRAY_SIZE(alchemy_pci_host_res), + .resource = alchemy_pci_host_res, +}; + static int __init pb1550_dev_init(void) { int swapped; @@ -57,7 +100,8 @@ static int __init pb1550_dev_init(void) swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT; db1x_register_norflash(128 * 1024 * 1024, 4, swapped); + platform_device_register(&pb1550_pci_host); return 0; } -device_initcall(pb1550_dev_init); +arch_initcall(pb1550_dev_init); |