Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Adrian Bunk | 99eb8a5 | 2007-07-31 00:38:19 -0700 | [diff] [blame] | 2 | * ARM default IDE host driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2004 Bartlomiej Zolnierkiewicz |
| 5 | * Based on code by: Russell King, Ian Molton and Alexander Schulz. |
| 6 | * |
| 7 | * May be copied or modified under the terms of the GNU General Public License. |
| 8 | */ |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/init.h> |
| 12 | #include <linux/ide.h> |
| 13 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include <asm/irq.h> |
| 15 | |
Bartlomiej Zolnierkiewicz | 2305d94 | 2008-04-26 22:25:18 +0200 | [diff] [blame] | 16 | #define DRV_NAME "ide_arm" |
| 17 | |
Russell King | 635f025 | 2008-10-28 09:43:54 +0000 | [diff] [blame] | 18 | #define IDE_ARM_IO 0x1f0 |
| 19 | #define IDE_ARM_IRQ IRQ_HARDDISK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
Bartlomiej Zolnierkiewicz | ade2daf | 2008-01-26 20:13:07 +0100 | [diff] [blame] | 21 | static int __init ide_arm_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | { |
Bartlomiej Zolnierkiewicz | 2305d94 | 2008-04-26 22:25:18 +0200 | [diff] [blame] | 23 | unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206; |
Bartlomiej Zolnierkiewicz | c97c6ac | 2008-07-23 19:55:50 +0200 | [diff] [blame] | 24 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Bartlomiej Zolnierkiewicz | 2305d94 | 2008-04-26 22:25:18 +0200 | [diff] [blame] | 26 | if (!request_region(base, 8, DRV_NAME)) { |
| 27 | printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", |
| 28 | DRV_NAME, base, base + 7); |
| 29 | return -EBUSY; |
| 30 | } |
| 31 | |
| 32 | if (!request_region(ctl, 1, DRV_NAME)) { |
| 33 | printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", |
| 34 | DRV_NAME, ctl); |
| 35 | release_region(base, 8); |
| 36 | return -EBUSY; |
| 37 | } |
| 38 | |
Adrian Bunk | 99eb8a5 | 2007-07-31 00:38:19 -0700 | [diff] [blame] | 39 | memset(&hw, 0, sizeof(hw)); |
Bartlomiej Zolnierkiewicz | 2305d94 | 2008-04-26 22:25:18 +0200 | [diff] [blame] | 40 | ide_std_init_ports(&hw, base, ctl); |
Adrian Bunk | 99eb8a5 | 2007-07-31 00:38:19 -0700 | [diff] [blame] | 41 | hw.irq = IDE_ARM_IRQ; |
Bartlomiej Zolnierkiewicz | d427e83 | 2008-06-10 20:56:37 +0200 | [diff] [blame] | 42 | hw.chipset = ide_generic; |
Bartlomiej Zolnierkiewicz | cbb010c | 2008-01-26 20:13:06 +0100 | [diff] [blame] | 43 | |
Bartlomiej Zolnierkiewicz | 6f904d0 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 44 | return ide_host_add(NULL, hws, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | } |
Bartlomiej Zolnierkiewicz | ade2daf | 2008-01-26 20:13:07 +0100 | [diff] [blame] | 46 | |
| 47 | module_init(ide_arm_init); |
Adrian Bunk | 57ad3ea0 | 2008-04-02 21:22:03 +0200 | [diff] [blame] | 48 | |
| 49 | MODULE_LICENSE("GPL"); |