blob: ba5be013975cd69d7a0fcdec63e44930cb609445 [file] [log] [blame]
wdenk20787e22005-04-06 00:04:16 +00001/*
2 * (C) Copyright 2004
3 * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <asm/arch/pxa-regs.h>
26
27void pcmcia_power_on(void)
28{
29#if 0
30 if (!(GPLR(20) & GPIO_bit(20))) { /* 3.3V */
31 GPCR(81) = GPIO_bit(81);
32 GPSR(82) = GPIO_bit(82);
33 }
34 else if (!(GPLR(21) & GPIO_bit(21))) { /* 5.0V */
35 GPCR(81) = GPIO_bit(81);
36 GPCR(82) = GPIO_bit(82);
37 }
38#else
39#warning "Board will only supply 5V, wait for next HW spin for selectable power"
40 /* 5.0V */
41 GPCR(81) = GPIO_bit(81);
42 GPCR(82) = GPIO_bit(82);
43#endif
44
45 udelay(300000);
46
47 /* reset the card */
48 GPSR(52) = GPIO_bit(52);
49
50 /* enable PCMCIA */
51 GPCR(83) = GPIO_bit(83);
52
53 /* clear reset */
54 udelay(10);
55 GPCR(52) = GPIO_bit(52);
56
57 udelay(20000);
58}
59
60void pcmcia_power_off(void)
61{
62 /* 0V */
63 GPSR(81) = GPIO_bit(81);
64 GPSR(82) = GPIO_bit(82);
65 /* disable PCMCIA */
66 GPSR(83) = GPIO_bit(83);
67}