summaryrefslogtreecommitdiff
path: root/drivers/ide/arm/bast-ide.c
blob: 45bf9c825f2b11c7afd2fd4d65d45c49a0dfaa45 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
/* linux/drivers/ide/arm/bast-ide.c
 *
 * Copyright (c) 2003-2004 Simtec Electronics
 *  Ben Dooks <ben@simtec.co.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
*/

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/ide.h>
#include <linux/init.h>

#include <asm/mach-types.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/arch/map.h>
#include <asm/arch/bast-map.h>
#include <asm/arch/bast-irq.h>

/* list of registered interfaces */
static ide_hwif_t *ifs[2];

static int __init
bastide_register(unsigned int base, unsigned int aux, int irq,
		 ide_hwif_t **hwif)
{
	hw_regs_t hw;
	int i;

	memset(&hw, 0, sizeof(hw));

	base += BAST_IDE_CS;
	aux  += BAST_IDE_CS;

	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
		hw.io_ports[i] = (unsigned long)base;
		base += 0x20;
	}

	hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
	hw.irq = irq;

	ide_register_hw(&hw, NULL, hwif);

	return 0;
}

static int __init bastide_init(void)
{
	/* we can treat the VR1000 and the BAST the same */

	if (!(machine_is_bast() || machine_is_vr1000()))
		return 0;

	printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");

	bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0, &ifs[0]);
	bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1, &ifs[1]);
	return 0;
}

module_init(bastide_init);

MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver");