Commit | Line | Data |
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1da177e4 | 1 | /* |
99eb8a55 | 2 | * ARM default IDE host driver |
1da177e4 LT |
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 | ||
1da177e4 LT |
14 | #include <asm/irq.h> |
15 | ||
2305d943 BZ |
16 | #define DRV_NAME "ide_arm" |
17 | ||
1da177e4 | 18 | #ifdef CONFIG_ARCH_CLPS7500 |
a09e64fb | 19 | # include <mach/hardware.h> |
1da177e4 LT |
20 | # |
21 | # define IDE_ARM_IO (ISASLOT_IO + 0x1f0) | |
22 | # define IDE_ARM_IRQ IRQ_ISA_14 | |
23 | #else | |
24 | # define IDE_ARM_IO 0x1f0 | |
25 | # define IDE_ARM_IRQ IRQ_HARDDISK | |
26 | #endif | |
27 | ||
ade2daf9 | 28 | static int __init ide_arm_init(void) |
1da177e4 | 29 | { |
2305d943 | 30 | unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206; |
c97c6aca | 31 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; |
1da177e4 | 32 | |
2305d943 BZ |
33 | if (!request_region(base, 8, DRV_NAME)) { |
34 | printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", | |
35 | DRV_NAME, base, base + 7); | |
36 | return -EBUSY; | |
37 | } | |
38 | ||
39 | if (!request_region(ctl, 1, DRV_NAME)) { | |
40 | printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", | |
41 | DRV_NAME, ctl); | |
42 | release_region(base, 8); | |
43 | return -EBUSY; | |
44 | } | |
45 | ||
99eb8a55 | 46 | memset(&hw, 0, sizeof(hw)); |
2305d943 | 47 | ide_std_init_ports(&hw, base, ctl); |
99eb8a55 | 48 | hw.irq = IDE_ARM_IRQ; |
d427e836 | 49 | hw.chipset = ide_generic; |
cbb010c1 | 50 | |
6f904d01 | 51 | return ide_host_add(NULL, hws, NULL); |
1da177e4 | 52 | } |
ade2daf9 BZ |
53 | |
54 | module_init(ide_arm_init); | |
57ad3ea0 AB |
55 | |
56 | MODULE_LICENSE("GPL"); |