2 * Author: Ian DaSilva (idasilva@mvista.com)
4 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
6 * May be copied or modified under the terms of the GNU General Public
7 * License. See linux/COPYING for more information.
9 * PCI initialization for the Renesas SH7780 Highlander R7780RP-1 board
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>
20 static char r7780rp_irq_tab[] __initdata = {
24 static char r7780mp_irq_tab[] __initdata = {
28 static char r7785rp_irq_tab[][4] __initdata = {
29 { 65, 66, 67, 68 }, /* INT ABCD */
30 { 66, 67, 68, 65 }, /* INT BCDA */
31 { 67, 68, 65, 66 }, /* INT CDAB */
32 { 68, 65, 66, 67 }, /* INT DABC */
33 { 64, 64, 64, 64 }, /* PCI Host */
36 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
38 if (mach_is_r7780rp())
39 return r7780rp_irq_tab[slot];
40 if (mach_is_r7780mp())
41 return r7780mp_irq_tab[slot];
42 if (mach_is_r7785rp())
43 return r7785rp_irq_tab[slot][pin];
45 printk(KERN_ERR "PCI: Bad IRQ mapping "
46 "request for slot %d, func %d\n", slot, pin-1);
51 static struct resource sh7780_io_resource = {
54 .end = 0x2000 + SH7780_PCI_IO_SIZE - 1,
55 .flags = IORESOURCE_IO
58 static struct resource sh7780_mem_resource = {
60 .start = SH7780_PCI_MEMORY_BASE,
61 .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
62 .flags = IORESOURCE_MEM
65 extern struct pci_ops sh7780_pci_ops;
67 struct pci_channel board_pci_channels[] = {
68 { &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
69 { NULL, NULL, NULL, 0, 0 },
71 EXPORT_SYMBOL(board_pci_channels);
73 static struct sh4_pci_address_map sh7780_pci_map = {
75 .base = SH7780_CS2_BASE_ADDR,
80 .base = SH7780_CS3_BASE_ADDR,
84 .flags = SH4_PCIC_NO_RESET,
87 int __init pcibios_init_platform(void)
89 return sh7780_pcic_init(&sh7780_pci_map);