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1 | /* |
2 | * linux/arch/arm/mach-pxa/pxa2xx.c |
3 | * |
4 | * code specific to pxa2xx |
5 | * |
6 | * Copyright (C) 2008 Dmitry Baryshkov |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License version 2 as |
10 | * published by the Free Software Foundation. |
11 | */ |
12 | |
13 | #include <linux/module.h> |
14 | #include <linux/kernel.h> |
15 | #include <linux/device.h> |
16 | |
17 | #include <mach/hardware.h> |
18 | #include <mach/pxa2xx-regs.h> |
19 | #include <mach/mfp-pxa25x.h> |
20 | #include <mach/reset.h> |
21 | #include <mach/irda.h> |
22 | |
23 | void pxa2xx_clear_reset_status(unsigned int mask) |
24 | { |
25 | /* RESET_STATUS_* has a 1:1 mapping with RCSR */ |
26 | RCSR = mask; |
27 | } |
28 | |
29 | static unsigned long pxa2xx_mfp_fir[] = { |
30 | GPIO46_FICP_RXD, |
31 | GPIO47_FICP_TXD, |
32 | }; |
33 | |
34 | static unsigned long pxa2xx_mfp_sir[] = { |
35 | GPIO46_STUART_RXD, |
36 | GPIO47_STUART_TXD, |
37 | }; |
38 | |
39 | static unsigned long pxa2xx_mfp_off[] = { |
40 | GPIO46_GPIO | MFP_LPM_DRIVE_LOW, |
41 | GPIO47_GPIO | MFP_LPM_DRIVE_LOW, |
42 | }; |
43 | |
44 | void pxa2xx_transceiver_mode(struct device *dev, int mode) |
45 | { |
46 | if (mode & IR_OFF) { |
47 | pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off)); |
48 | } else if (mode & IR_SIRMODE) { |
49 | pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir)); |
50 | } else if (mode & IR_FIRMODE) { |
51 | pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir)); |
52 | } else |
53 | BUG(); |
54 | } |
55 | EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode); |
56 |
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