diff options
Diffstat (limited to 'arch/mips/pci/pci-ddb5476.c')
-rw-r--r-- | arch/mips/pci/pci-ddb5476.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/mips/pci/pci-ddb5476.c b/arch/mips/pci/pci-ddb5476.c deleted file mode 100644 index 2f44c0b783d..00000000000 --- a/arch/mips/pci/pci-ddb5476.c +++ /dev/null @@ -1,93 +0,0 @@ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> - -#include <asm/debug.h> - -#include <asm/ddb5xxx/ddb5xxx.h> - -static struct resource extpci_io_resource = { - .start = 0x1000, /* leave some room for ISA bus */ - .end = DDB_PCI_IO_SIZE - 1, - .name = "pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource extpci_mem_resource = { - .start = DDB_PCI_MEM_BASE + 0x00100000, /* leave 1 MB for RTC */ - .end = DDB_PCI_MEM_BASE + DDB_PCI_MEM_SIZE - 1, - .name = "pci memory space", - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops ddb5476_ext_pci_ops; - -struct pci_controller ddb5476_controller = { - .pci_ops = &ddb5476_ext_pci_ops, - .io_resource = &extpci_io_resource, - .mem_resource = &extpci_mem_resource -}; - - -/* - * we fix up irqs based on the slot number. - * The first entry is at AD:11. - * - * This does not work for devices on sub-buses yet. - */ - -/* - * temporary - */ - -#define PCI_EXT_INTA 8 -#define PCI_EXT_INTB 9 -#define PCI_EXT_INTC 10 -#define PCI_EXT_INTD 11 -#define PCI_EXT_INTE 12 - -/* - * based on ddb5477 manual page 11 - */ -#define MAX_SLOT_NUM 21 -static unsigned char irq_map[MAX_SLOT_NUM] = { - [ 2] = 9, /* AD:13 USB */ - [ 3] = 10, /* AD:14 PMU */ - [ 5] = 0, /* AD:16 P2P bridge */ - [ 6] = nile4_to_irq(PCI_EXT_INTB), /* AD:17 */ - [ 7] = nile4_to_irq(PCI_EXT_INTC), /* AD:18 */ - [ 8] = nile4_to_irq(PCI_EXT_INTD), /* AD:19 */ - [ 9] = nile4_to_irq(PCI_EXT_INTA), /* AD:20 */ - [13] = 14, /* AD:24 HD controller, M5229 */ -}; - -int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - return irq_map[slot]; -} - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} - -void __init ddb_pci_reset_bus(void) -{ - u32 temp; - - /* - * I am not sure about the "official" procedure, the following - * steps work as far as I know: - * We first set PCI cold reset bit (bit 31) in PCICTRL-H. - * Then we clear the PCI warm reset bit (bit 30) to 0 in PCICTRL-H. - * The same is true for both PCI channels. - */ - temp = ddb_in32(DDB_PCICTRL + 4); - temp |= 0x80000000; - ddb_out32(DDB_PCICTRL + 4, temp); - temp &= ~0xc0000000; - ddb_out32(DDB_PCICTRL + 4, temp); - -} |