Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 1 | /* |
| 2 | * arch/sh/drivers/pci/ops-titan.c |
| 3 | * |
| 4 | * Ported to new API by Paul Mundt <lethal@linux-sh.org> |
| 5 | * |
| 6 | * Modified from ops-snapgear.c written by David McCullough |
| 7 | * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. |
| 8 | * |
| 9 | * May be copied or modified under the terms of the GNU General Public |
| 10 | * License. See linux/COPYING for more information. |
| 11 | * |
| 12 | * PCI initialization for the Titan boards |
| 13 | */ |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 14 | #include <linux/kernel.h> |
| 15 | #include <linux/types.h> |
| 16 | #include <linux/init.h> |
Paul Mundt | 0f08f33 | 2006-09-27 17:03:56 +0900 | [diff] [blame] | 17 | #include <linux/pci.h> |
Jamie Lenehan | ea0f8fe | 2006-12-06 12:05:02 +0900 | [diff] [blame] | 18 | #include <linux/io.h> |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 19 | #include <asm/titan.h> |
Paul Mundt | 959f85f | 2006-09-27 16:43:28 +0900 | [diff] [blame] | 20 | #include "pci-sh4.h" |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 21 | |
Jamie Lenehan | ea0f8fe | 2006-12-06 12:05:02 +0900 | [diff] [blame] | 22 | static char titan_irq_tab[] __initdata = { |
| 23 | TITAN_IRQ_WAN, |
| 24 | TITAN_IRQ_LAN, |
| 25 | TITAN_IRQ_MPCIA, |
| 26 | TITAN_IRQ_MPCIB, |
| 27 | TITAN_IRQ_USB, |
| 28 | }; |
| 29 | |
Paul Mundt | 959f85f | 2006-09-27 16:43:28 +0900 | [diff] [blame] | 30 | int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 31 | { |
Jamie Lenehan | ea0f8fe | 2006-12-06 12:05:02 +0900 | [diff] [blame] | 32 | int irq = titan_irq_tab[slot]; |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 33 | |
| 34 | printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n", |
| 35 | slot, pin - 1 + 'A', irq); |
| 36 | |
| 37 | return irq; |
| 38 | } |
| 39 | |
| 40 | static struct resource sh7751_io_resource = { |
| 41 | .name = "SH7751_IO", |
| 42 | .start = SH7751_PCI_IO_BASE, |
| 43 | .end = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1, |
| 44 | .flags = IORESOURCE_IO |
| 45 | }; |
| 46 | |
| 47 | static struct resource sh7751_mem_resource = { |
| 48 | .name = "SH7751_mem", |
| 49 | .start = SH7751_PCI_MEMORY_BASE, |
| 50 | .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1, |
| 51 | .flags = IORESOURCE_MEM |
| 52 | }; |
| 53 | |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 54 | struct pci_channel board_pci_channels[] = { |
Paul Mundt | 959f85f | 2006-09-27 16:43:28 +0900 | [diff] [blame] | 55 | { &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff }, |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 56 | { NULL, NULL, NULL, 0, 0 }, |
| 57 | }; |
| 58 | EXPORT_SYMBOL(board_pci_channels); |
| 59 | |
Paul Mundt | 959f85f | 2006-09-27 16:43:28 +0900 | [diff] [blame] | 60 | static struct sh4_pci_address_map sh7751_pci_map = { |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 61 | .window0 = { |
| 62 | .base = SH7751_CS2_BASE_ADDR, |
| 63 | .size = SH7751_MEM_REGION_SIZE*2, /* cs2 and cs3 */ |
| 64 | }, |
| 65 | |
| 66 | .window1 = { |
| 67 | .base = SH7751_CS2_BASE_ADDR, |
| 68 | .size = SH7751_MEM_REGION_SIZE*2, |
| 69 | }, |
| 70 | |
Paul Mundt | 959f85f | 2006-09-27 16:43:28 +0900 | [diff] [blame] | 71 | .flags = SH4_PCIC_NO_RESET, |
Jamie Lenehan | a09749d | 2006-09-27 15:05:39 +0900 | [diff] [blame] | 72 | }; |
| 73 | |
| 74 | int __init pcibios_init_platform(void) |
| 75 | { |
| 76 | return sh7751_pcic_init(&sh7751_pci_map); |
| 77 | } |