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 R0P7785LC0011RL board
10 * Based on arch/sh/drivers/pci/ops-r7780rp.c
11 *
12 */
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/init.h>
16 #include <linux/delay.h>
17 #include <linux/pci.h>
18 #include "pci-sh4.h"
19
20 static char irq_tab[] __initdata = {
21 65, 66, 67, 68,
22 };
23
pcibios_map_platform_irq(struct pci_dev * pdev,u8 slot,u8 pin)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 sh7785_io_resource = {
30 .name = "SH7785_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 sh7785_mem_resource = {
37 .name = "SH7785_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 struct pci_channel board_pci_channels[] = {
44 { &sh4_pci_ops, &sh7785_io_resource, &sh7785_mem_resource, 0, 0xff },
45 { NULL, NULL, NULL, 0, 0 },
46 };
47 EXPORT_SYMBOL(board_pci_channels);
48
49 static struct sh4_pci_address_map sh7785_pci_map = {
50 .window0 = {
51 .base = SH7780_CS2_BASE_ADDR,
52 .size = 0x04000000,
53 },
54
55 .window1 = {
56 .base = SH7780_CS3_BASE_ADDR,
57 .size = 0x04000000,
58 },
59
60 .flags = SH4_PCIC_NO_RESET,
61 };
62
pcibios_init_platform(void)63 int __init pcibios_init_platform(void)
64 {
65 return sh7780_pcic_init(&sh7785_pci_map);
66 }
67