/**************************************************************************** * configs/mcu123-lpc214x/src/up_composite.c * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Configure and register the LPC214x MMC/SD SPI block driver. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /* Configuration ************************************************************/ #ifndef CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1 # define CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1 0 #endif /* PORT and SLOT number probably depend on the board configuration */ #ifdef CONFIG_ARCH_BOARD_MCU123 # undef LPC214X_MMCSDSPIPORTNO # define LPC214X_MMCSDSPIPORTNO 1 # undef LPC214X_MMCSDSLOTNO # define LPC214X_MMCSDSLOTNO 0 #else /* Add configuration for new LPC214x boards here */ # error "Unrecognized LPC214x board" #endif /* Debug ********************************************************************/ #ifdef CONFIG_CPP_HAVE_VARARGS # ifdef CONFIG_DEBUG # define message(...) lib_lowprintf(__VA_ARGS__) # define msgflush() # else # define message(...) printf(__VA_ARGS__) # define msgflush() fflush(stdout) # endif #else # ifdef CONFIG_DEBUG # define message lib_lowprintf # define msgflush() # else # define message printf # define msgflush() fflush(stdout) # endif #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: composite_archinitialize * * Description: * Perform architecture specific initialization * ****************************************************************************/ int composite_archinitialize(void) { /* If examples/composite is built as an NSH command, then SD slot should * already have been initized in nsh_archinitialize() (see up_nsh.c). In * this case, there is nothing further to be done here. * * NOTE: CONFIG_NSH_BUILTIN_APPS is not a fool-proof indication that NSH * was built. */ #ifndef CONFIG_NSH_BUILTIN_APPS FAR struct spi_dev_s *spi; int ret; /* Get the SPI port */ message("composite_archinitialize: Initializing SPI port %d\n", LPC214X_MMCSDSPIPORTNO); spi = up_spiinitialize(LPC214X_MMCSDSPIPORTNO); if (!spi) { message("composite_archinitialize: Failed to initialize SPI port %d\n", LPC214X_MMCSDSPIPORTNO); return -ENODEV; } message("composite_archinitialize: Successfully initialized SPI port %d\n", LPC214X_MMCSDSPIPORTNO); /* Bind the SPI port to the slot */ message("composite_archinitialize: Binding SPI port %d to MMC/SD slot %d\n", LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO); ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_COMPOSITE_DEVMINOR1, LPC214X_MMCSDSLOTNO, spi); if (ret < 0) { message("composite_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n", LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO, ret); return ret; } message("composite_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n", LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO); #endif /* CONFIG_NSH_BUILTIN_APPS */ return OK; }