text: /****************************************************************************
   * arch/arm/src/tiva/tiva_lowputc.h
   *
   *   Copyright (C) 2009-2010, 2013-2014 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *
   * 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.
   *
   ****************************************************************************/
  
  #ifndef __ARCH_ARM_SRC_TIVA_TIVA_LOWPUTC_H
  #define __ARCH_ARM_SRC_TIVA_TIVA_LOWPUTC_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  #include <arch/tiva/chip.h>
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /* Configuration ************************************************************/
  
  #if TIVA_NUARTS < 8
  #  undef CONFIG_TIVA_UART7
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  if TIVA_NUARTS < 7
  #    undef CONFIG_TIVA_UART6
  #    undef CONFIG_UART6_SERIAL_CONSOLE
  #    if TIVA_NUARTS < 6
  #      undef CONFIG_TIVA_UART5
  #      undef CONFIG_UART5_SERIAL_CONSOLE
  #      if TIVA_NUARTS < 5
  #        undef CONFIG_TIVA_UART4
  #        undef CONFIG_UART4_SERIAL_CONSOLE
  #        if TIVA_NUARTS < 4
  #          undef CONFIG_TIVA_UART3
  #          undef CONFIG_UART3_SERIAL_CONSOLE
  #          if TIVA_NUARTS < 3
  #            undef CONFIG_TIVA_UART2
  #            undef CONFIG_UART2_SERIAL_CONSOLE
  #            if TIVA_NUARTS < 2
  #              undef CONFIG_TIVA_UART1
  #              undef CONFIG_UART1_SERIAL_CONSOLE
  #            endif
  #          endif
  #        endif
  #      endif
  #    endif
  #  endif
  #endif
  
  /* Is there a serial console? */
  
  #if defined(CONFIG_UART0_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART0)
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART1_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART1)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART2_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART2)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART3_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART3)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART4)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART5)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART6_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART6)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_TIVA_UART7)
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  define HAVE_SERIAL_CONSOLE 1
  #else
  #  undef CONFIG_UART0_SERIAL_CONSOLE
  #  undef CONFIG_UART1_SERIAL_CONSOLE
  #  undef CONFIG_UART2_SERIAL_CONSOLE
  #  undef CONFIG_UART3_SERIAL_CONSOLE
  #  undef CONFIG_UART4_SERIAL_CONSOLE
  #  undef CONFIG_UART5_SERIAL_CONSOLE
  #  undef CONFIG_UART6_SERIAL_CONSOLE
  #  undef CONFIG_UART7_SERIAL_CONSOLE
  #  undef HAVE_SERIAL_CONSOLE
  #endif
  
  /****************************************************************************
   * Public Types
   ****************************************************************************/
  
  /****************************************************************************
   * Inline Functions
   ****************************************************************************/
  
  #ifndef __ASSEMBLY__
  
  /****************************************************************************
   * Public Data
   ****************************************************************************/
  
  #if defined(__cplusplus)
  extern "C"
  {
  #endif
  
  /****************************************************************************
   * Public Function Prototypes
   ****************************************************************************/
  
  /****************************************************************************
   * Name: tiva_lowsetup
   *
   * Description:
   *   Called at the very beginning of _start.  Performs low level
   *   initialization.
   *
   ****************************************************************************/
  
  void tiva_lowsetup(void);
  
  #if defined(__cplusplus)
  }
  #endif
  
  #endif /* __ASSEMBLY__ */
  #endif /* __ARCH_ARM_SRC_TIVA_TIVA_LOWPUTC_H */
  