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-rw-r--r--arch/sh/drivers/pci/ops-r7780rp.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
new file mode 100644
index 000000000000..554d5ed2c586
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -0,0 +1,75 @@
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
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>
19#include <asm/io.h>
20#include "pci-sh4.h"
21
22int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
23{
24 switch (slot) {
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 */
29 default:
30 printk(KERN_ERR "PCI: Bad IRQ mapping "
31 "request for slot %d, func %d\n", slot, pin-1);
32 return -1;
33 }
34}
35
36static struct resource sh7780_io_resource = {
37 .name = "SH7780_IO",
38 .start = 0x2000,
39 .end = 0x2000 + SH7780_PCI_IO_SIZE - 1,
40 .flags = IORESOURCE_IO
41};
42
43static struct resource sh7780_mem_resource = {
44 .name = "SH7780_mem",
45 .start = SH7780_PCI_MEMORY_BASE,
46 .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
47 .flags = IORESOURCE_MEM
48};
49
50extern struct pci_ops sh7780_pci_ops;
51
52struct pci_channel board_pci_channels[] = {
53 { &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
54 { NULL, NULL, NULL, 0, 0 },
55};
56EXPORT_SYMBOL(board_pci_channels);
57
58static struct sh4_pci_address_map sh7780_pci_map = {
59 .window0 = {
60 .base = SH7780_CS2_BASE_ADDR,
61 .size = 0x04000000,
62 },
63
64 .window1 = {
65 .base = SH7780_CS3_BASE_ADDR,
66 .size = 0x04000000,
67 },
68
69 .flags = SH4_PCIC_NO_RESET,
70};
71
72int __init pcibios_init_platform(void)
73{
74 return sh7780_pcic_init(&sh7780_pci_map);
75}