| Dmitry Baryshkov | 918dbcb | 2008-07-02 13:53:45 +0100 | [diff] [blame] | 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 | |
| Russell King | afd2fc0 | 2008-08-07 11:05:25 +0100 | [diff] [blame] | 17 | #include <mach/hardware.h> |
| 18 | #include <mach/pxa2xx-regs.h> |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 19 | #include <mach/mfp-pxa25x.h> |
| Russell King | afd2fc0 | 2008-08-07 11:05:25 +0100 | [diff] [blame] | 20 | #include <mach/reset.h> |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 21 | #include <mach/irda.h> |
| Dmitry Baryshkov | 918dbcb | 2008-07-02 13:53:45 +0100 | [diff] [blame] | 22 | |
| Eric Miao | 04fef22 | 2008-07-29 14:26:00 +0800 | [diff] [blame] | 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 | |
| Dmitry Baryshkov | 918dbcb | 2008-07-02 13:53:45 +0100 | [diff] [blame] | 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 | } |
| Marek Vasut | c4bd017 | 2009-07-17 12:50:43 +0200 | [diff] [blame] | 55 | EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode); |