projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 918dbcba DB |
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 | ||
| afd2fc02 RK |
17 | #include <mach/hardware.h> |
| 18 | #include <mach/pxa2xx-regs.h> | |
| a09e64fb | 19 | #include <mach/mfp-pxa25x.h> |
| afd2fc02 | 20 | #include <mach/reset.h> |
| a09e64fb | 21 | #include <mach/irda.h> |
| 918dbcba | 22 | |
| 04fef228 EM |
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 | ||
| 918dbcba DB |
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 | } |