/* * linux/arch/arm/mach-pxa/pxa2xx.c * * code specific to pxa2xx * * Copyright (C) 2008 Dmitry Baryshkov * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> #include <mach/hardware.h> #include <mach/pxa2xx-regs.h> #include <mach/mfp-pxa25x.h> #include <mach/reset.h> #include <mach/irda.h> void pxa2xx_clear_reset_status(unsigned int mask) { /* RESET_STATUS_* has a 1:1 mapping with RCSR */ RCSR = mask; } static unsigned long pxa2xx_mfp_fir[] = { GPIO46_FICP_RXD, GPIO47_FICP_TXD, }; static unsigned long pxa2xx_mfp_sir[] = { GPIO46_STUART_RXD, GPIO47_STUART_TXD, }; static unsigned long pxa2xx_mfp_off[] = { GPIO46_GPIO | MFP_LPM_DRIVE_LOW, GPIO47_GPIO | MFP_LPM_DRIVE_LOW, }; void pxa2xx_transceiver_mode(struct device *dev, int mode) { if (mode & IR_OFF) { pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off)); } else if (mode & IR_SIRMODE) { pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir)); } else if (mode & IR_FIRMODE) { pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir)); } else BUG(); } EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);