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
12 #include <linux/config.h>
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 <asm/r7780rp/r7780rp.h>
22 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
25 case 0: return IRQ_PCISLOT1; /* PCI Interrupt #1 */
26 case 1: return IRQ_PCISLOT2; /* PCI Interrupt #2 */
27 case 2: return IRQ_PCISLOT3; /* PCI Interrupt #3 */
28 case 3: return IRQ_PCISLOT4; /* PCI Interrupt E4 */
30 printk(KERN_ERR "PCI: Bad IRQ mapping "
31 "request for slot %d, func %d\n", slot, pin-1);
36 static struct resource sh7780_io_resource = {
39 .end = 0x2000 + SH7780_PCI_IO_SIZE - 1,
40 .flags = IORESOURCE_IO
43 static struct resource sh7780_mem_resource = {
45 .start = SH7780_PCI_MEMORY_BASE,
46 .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
47 .flags = IORESOURCE_MEM
50 extern struct pci_ops sh7780_pci_ops;
52 struct pci_channel board_pci_channels[] = {
53 { &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
54 { NULL, NULL, NULL, 0, 0 },
56 EXPORT_SYMBOL(board_pci_channels);
58 static struct sh4_pci_address_map sh7780_pci_map = {
60 .base = SH7780_CS2_BASE_ADDR,
65 .base = SH7780_CS3_BASE_ADDR,
69 .flags = SH4_PCIC_NO_RESET,
72 int __init pcibios_init_platform(void)
74 return sh7780_pcic_init(&sh7780_pci_map);