diff options
Diffstat (limited to 'arch/sh/drivers/pci/ops-r7780rp.c')
-rw-r--r-- | arch/sh/drivers/pci/ops-r7780rp.c | 75 |
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 | |||
22 | int __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 | |||
36 | static 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 | |||
43 | static 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 | |||
50 | extern struct pci_ops sh7780_pci_ops; | ||
51 | |||
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 }, | ||
55 | }; | ||
56 | EXPORT_SYMBOL(board_pci_channels); | ||
57 | |||
58 | static 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 | |||
72 | int __init pcibios_init_platform(void) | ||
73 | { | ||
74 | return sh7780_pcic_init(&sh7780_pci_map); | ||
75 | } | ||