arch/sh/drivers/pci/ops-sdk7780.c

   1 /*
   2  * linux/arch/sh/drivers/pci/ops-sdk7780.c
   3  *
   4  * Copyright (C) 2006  Nobuhiro Iwamatsu
   5  *
   6  * PCI initialization for the SDK7780SE03
   7  *
   8  * May be copied or modified under the terms of the GNU General Public
   9  * License.  See linux/COPYING for more information.
  10  */
  11 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/init.h>
  14 #include <linux/delay.h>
  15 #include <linux/pci.h>
  16 #include <asm/sdk7780.h>
  17 #include <asm/io.h>
  18 #include "pci-sh4.h"
  19
  20 /* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
  21 static char sdk7780_irq_tab[4][16] __initdata = {
  22         /* INTA */
  23         { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
  24         /* INTB */
  25         { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
  26         /* INTC */
  27         { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
  28         /* INTD */
  29         { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 },
  30 };
  31
  32 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
  33 {
  34        return sdk7780_irq_tab[pin-1][slot];
  35 }
  36
  37 static struct resource sdk7780_io_resource = {
  38         .name   = "SH7780_IO",
  39         .start  = SH7780_PCI_IO_BASE,
  40         .end    = SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
  41         .flags  = IORESOURCE_IO
  42 };
  43
  44 static struct resource sdk7780_mem_resource = {
  45         .name   = "SH7780_mem",
  46         .start  = SH7780_PCI_MEMORY_BASE,
  47         .end    = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
  48         .flags  = IORESOURCE_MEM
  49 };
  50
  51 struct pci_channel board_pci_channels[] = {
  52         { &sh4_pci_ops, &sdk7780_io_resource, &sdk7780_mem_resource, 0, 0xff },
  53         { NULL, NULL, NULL, 0, 0 },
  54 };
  55 EXPORT_SYMBOL(board_pci_channels);
  56
  57 static struct sh4_pci_address_map sdk7780_pci_map = {
  58         .window0        = {
  59                 .base   = SH7780_CS2_BASE_ADDR,
  60                 .size   = 0x04000000,
  61         },
  62         .window1        = {
  63                 .base   = SH7780_CS3_BASE_ADDR,
  64                 .size   = 0x04000000,
  65         },
  66         .flags  = SH4_PCIC_NO_RESET,
  67 };
  68
  69 int __init pcibios_init_platform(void)
  70 {
  71         printk(KERN_INFO "SH7780 PCI: Finished initializing PCI controller\n");
  72         return sh7780_pcic_init(&sdk7780_pci_map);
  73 }