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Diffstat (limited to 'arch/sh/drivers/pci/ops-rts7751r2d.c')
-rw-r--r--arch/sh/drivers/pci/ops-rts7751r2d.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
new file mode 100644
index 000000000000..beafa11f4d0c
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -0,0 +1,79 @@
1/*
2 * linux/arch/sh/kernel/pci-rts7751r2d.c
3 *
4 * Author: Ian DaSilva (idasilva@mvista.com)
5 *
6 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
7 *
8 * May be copied or modified under the terms of the GNU General Public
9 * License. See linux/COPYING for more information.
10 *
11 * PCI initialization for the Renesas SH7751R RTS7751R2D board
12 */
13
14#include <linux/config.h>
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/init.h>
18#include <linux/delay.h>
19#include <linux/pci.h>
20#include <linux/module.h>
21
22#include <asm/io.h>
23#include "pci-sh7751.h"
24#include <asm/rts7751r2d/rts7751r2d.h>
25
26int __init pcibios_map_platform_irq(u8 slot, u8 pin)
27{
28 switch (slot) {
29 case 0: return IRQ_PCISLOT1; /* PCI Extend slot #1 */
30 case 1: return IRQ_PCISLOT2; /* PCI Extend slot #2 */
31 case 2: return IRQ_PCMCIA; /* PCI Cardbus Bridge */
32 case 3: return IRQ_PCIETH; /* Realtek Ethernet controller */
33 default:
34 printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
35 return -1;
36 }
37}
38
39static struct resource sh7751_io_resource = {
40 .name = "SH7751_IO",
41 .start = 0x4000,
42 .end = 0x4000 + SH7751_PCI_IO_SIZE - 1,
43 .flags = IORESOURCE_IO
44};
45
46static struct resource sh7751_mem_resource = {
47 .name = "SH7751_mem",
48 .start = SH7751_PCI_MEMORY_BASE,
49 .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
50 .flags = IORESOURCE_MEM
51};
52
53extern struct pci_ops sh7751_pci_ops;
54
55struct pci_channel board_pci_channels[] = {
56 { &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
57 { NULL, NULL, NULL, 0, 0 },
58};
59EXPORT_SYMBOL(board_pci_channels);
60
61static struct sh7751_pci_address_map sh7751_pci_map = {
62 .window0 = {
63 .base = SH7751_CS3_BASE_ADDR,
64 .size = 0x04000000,
65 },
66
67 .window1 = {
68 .base = 0x00000000, /* Unused */
69 .size = 0x00000000, /* Unused */
70 },
71
72 .flags = SH7751_PCIC_NO_RESET,
73};
74
75int __init pcibios_init_platform(void)
76{
77 return sh7751_pcic_init(&sh7751_pci_map);
78}
79