1/* linux/drivers/ide/arm/bast-ide.c
2 *
3 * Copyright (c) 2003-2004 Simtec Electronics
4 *  Ben Dooks <ben@simtec.co.uk>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10*/
11
12#include <linux/module.h>
13#include <linux/errno.h>
14#include <linux/ide.h>
15#include <linux/init.h>
16
17#include <asm/mach-types.h>
18
19#include <asm/io.h>
20#include <asm/irq.h>
21#include <asm/arch/map.h>
22#include <asm/arch/bast-map.h>
23#include <asm/arch/bast-irq.h>
24
25/* list of registered interfaces */
26static ide_hwif_t *ifs[2];
27
28static int __init
29bastide_register(unsigned int base, unsigned int aux, int irq,
30		 ide_hwif_t **hwif)
31{
32	hw_regs_t hw;
33	int i;
34
35	memset(&hw, 0, sizeof(hw));
36
37	base += BAST_IDE_CS;
38	aux  += BAST_IDE_CS;
39
40	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
41		hw.io_ports[i] = (unsigned long)base;
42		base += 0x20;
43	}
44
45	hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
46	hw.irq = irq;
47
48	ide_register_hw(&hw, 0, hwif);
49
50	return 0;
51}
52
53static int __init bastide_init(void)
54{
55	/* we can treat the VR1000 and the BAST the same */
56
57	if (!(machine_is_bast() || machine_is_vr1000()))
58		return 0;
59
60	printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");
61
62	bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0, &ifs[0]);
63	bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1, &ifs[1]);
64	return 0;
65}
66
67module_init(bastide_init);
68
69MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
70MODULE_LICENSE("GPL");
71MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver");
72