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20787e23 WD |
1 | /* |
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 | ||
27 | void 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 | ||
60 | void 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 | } |