release/src-rt-6.x/linux/linux-2.6/arch/sh/drivers/pci/ops-lboxre2.c

   1 /*
   2  * linux/arch/sh/drivers/pci/ops-lboxre2.c
   3  *
   4  * Copyright (C) 2007 Nobuhiro Iwamatsu
   5  *
   6  * PCI initialization for the NTT COMWARE L-BOX RE2
   7  */
   8 #include <linux/kernel.h>
   9 #include <linux/types.h>
  10 #include <linux/init.h>
  11 #include <linux/pci.h>
  12 #include <linux/io.h>
  13 #include <asm/lboxre2.h>
  14 #include "pci-sh4.h"
  15
  16 static char lboxre2_irq_tab[] __initdata = {
  17         IRQ_ETH0, IRQ_ETH1, IRQ_INTA, IRQ_INTD,
  18 };
  19
  20 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
  21 {
  22         return lboxre2_irq_tab[slot];
  23 }
  24
  25 static struct resource sh7751_io_resource = {
  26         .name   = "SH7751_IO",
  27         .start  = SH7751_PCI_IO_BASE ,
  28         .end    = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
  29         .flags  = IORESOURCE_IO
  30 };
  31
  32 static struct resource sh7751_mem_resource = {
  33         .name   = "SH7751_mem",
  34         .start  = SH7751_PCI_MEMORY_BASE,
  35         .end    = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
  36         .flags  = IORESOURCE_MEM
  37 };
  38
  39 extern struct pci_ops sh7751_pci_ops;
  40
  41 struct pci_channel board_pci_channels[] = {
  42         { &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
  43         { NULL, NULL, NULL, 0, 0 },
  44 };
  45
  46 EXPORT_SYMBOL(board_pci_channels);
  47
  48 static struct sh4_pci_address_map sh7751_pci_map = {
  49         .window0        = {
  50                 .base   = SH7751_CS3_BASE_ADDR,
  51                 .size   = 0x04000000,
  52         },
  53         .window1        = {
  54                 .base   = 0x00000000,   /* Unused */
  55                 .size   = 0x00000000,   /* Unused */
  56         },
  57         .flags  = SH4_PCIC_NO_RESET,
  58 };
  59
  60 int __init pcibios_init_platform(void)
  61 {
  62         return sh7751_pcic_init(&sh7751_pci_map);
  63 }