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
20static char r7780rp_irq_tab[] __initdata = {
21	0, 1, 2, 3,
22};
23
24static char r7780mp_irq_tab[] __initdata = {
25	65, 66, 67, 68,
26};
27
28int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
29{
30	if (mach_is_r7780rp())
31		return r7780rp_irq_tab[slot];
32	if (mach_is_r7780mp() || mach_is_r7785rp())
33		return r7780mp_irq_tab[slot];
34
35	printk(KERN_ERR "PCI: Bad IRQ mapping "
36	       "request for slot %d, func %d\n", slot, pin-1);
37
38	return -1;
39}
40
41static struct resource sh7780_io_resource = {
42	.name	= "SH7780_IO",
43	.start	= 0x2000,
44	.end	= 0x2000 + SH7780_PCI_IO_SIZE - 1,
45	.flags	= IORESOURCE_IO
46};
47
48static struct resource sh7780_mem_resource = {
49	.name	= "SH7780_mem",
50	.start	= SH7780_PCI_MEMORY_BASE,
51	.end	= SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
52	.flags	= IORESOURCE_MEM
53};
54
55extern struct pci_ops sh7780_pci_ops;
56
57struct pci_channel board_pci_channels[] = {
58	{ &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
59	{ NULL, NULL, NULL, 0, 0 },
60};
61EXPORT_SYMBOL(board_pci_channels);
62
63static struct sh4_pci_address_map sh7780_pci_map = {
64	.window0	= {
65		.base	= SH7780_CS2_BASE_ADDR,
66		.size	= 0x04000000,
67	},
68
69	.window1	= {
70		.base	= SH7780_CS3_BASE_ADDR,
71		.size	= 0x04000000,
72	},
73
74	.flags	= SH4_PCIC_NO_RESET,
75};
76
77int __init pcibios_init_platform(void)
78{
79	return sh7780_pcic_init(&sh7780_pci_map);
80}
81