arch/sh/drivers/pci/ops-r7780rp.c

   1 /*
   2  * Author:  Ian DaSilva (idasilva@mvista.com)
   3  *
   4  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
   5  *
   6  * May be copied or modified under the terms of the GNU General Public
   7  * License.  See linux/COPYING for more information.
   8  *
   9  * PCI initialization for the Renesas SH7780 Highlander R7780RP-1 board
  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/r7780rp.h>
  17 #include <asm/io.h>
  18 #include "pci-sh4.h"
  19
  20 static char irq_tab[] __initdata = {
  21         65, 66, 67, 68,
  22 };
  23
  24 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
  25 {
  26         return irq_tab[slot];
  27 }
  28
  29 static struct resource sh7780_io_resource = {
  30         .name   = "SH7780_IO",
  31         .start  = SH7780_PCI_IO_BASE,
  32         .end    = SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
  33         .flags  = IORESOURCE_IO
  34 };
  35
  36 static struct resource sh7780_mem_resource = {
  37         .name   = "SH7780_mem",
  38         .start  = SH7780_PCI_MEMORY_BASE,
  39         .end    = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
  40         .flags  = IORESOURCE_MEM
  41 };
  42
  43 extern struct pci_ops sh7780_pci_ops;
  44
  45 struct pci_channel board_pci_channels[] = {
  46         { &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
  47         { NULL, NULL, NULL, 0, 0 },
  48 };
  49 EXPORT_SYMBOL(board_pci_channels);
  50
  51 static struct sh4_pci_address_map sh7780_pci_map = {
  52         .window0        = {
  53                 .base   = SH7780_CS2_BASE_ADDR,
  54                 .size   = 0x04000000,
  55         },
  56
  57         .window1        = {
  58                 .base   = SH7780_CS3_BASE_ADDR,
  59                 .size   = 0x04000000,
  60         },
  61
  62         .flags  = SH4_PCIC_NO_RESET,
  63 };
  64
  65 int __init pcibios_init_platform(void)
  66 {
  67         return sh7780_pcic_init(&sh7780_pci_map);
  68 }