/* * Copyright (c) 2011 The Chromium OS Authors. * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef _UART_SPI_SWITCH_H #define _UART_SPI_SWITCH_H #if defined(CONFIG_SPI_UART_SWITCH) /* * Signal that we are about to use the UART. This unfortunate hack is * required by Seaboard, which cannot use its console and SPI at the same * time! If the board file provides this, the board config will declare it. * Let this be a lesson for others. */ void pinmux_select_uart(void); /* * Signal that we are about the use the SPI bus. */ void pinmux_select_spi(void); #else /* not CONFIG_SPI_UART_SWITCH */ static inline void pinmux_select_uart(void) {} static inline void pinmux_select_spi(void) {} #endif #endif