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
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Linus Nielsen Feltzing
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include <stdbool.h>
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "pcf50606.h"
void ata_reset(void)
{
and_l(~0x40000000, &GPIO_OUT);
sleep(1); /* > 25us */
or_l(0x40000000, &GPIO_OUT);
sleep(1); /* > 2ms */
}
void ata_enable(bool on)
{
if(on)
and_l(~0x00000800, &GPIO1_OUT);
else
or_l(0x00000800, &GPIO1_OUT);
}
bool ata_is_coldstart(void)
{
return true; /* TODO */
}
void ata_device_init(void)
{
/* ATA reset */
or_l(0x40000000, &GPIO_OUT);
or_l(0x40000000, &GPIO_ENABLE);
or_l(0x40000000, &GPIO_FUNCTION);
/* ATA enable */
or_l(0x00000800, &GPIO1_OUT);
or_l(0x00000800, &GPIO1_ENABLE);
or_l(0x00000800, &GPIO1_FUNCTION);
/* USB enable */
and_l(~0x00000008, &GPIO1_OUT);
or_l(0x00000008, &GPIO1_ENABLE);
or_l(0x00000008, &GPIO1_FUNCTION);
}
|
