nuttx/boards/arm/tiva/ekk-lm3s9b96/include/board.h
Alin Jerpelea 210de35cb5 Merged in alinjerpelea/nuttx (pull request #999)
arm: sam & tiva: codestyle fixes

* arm: samd2l2: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* arm: samd5e5: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* arm: samv7: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* arm: tiva: codestyle fixes

    After the board restructuration is time for codestyle cleanup

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-08-16 13:40:59 +00:00

122 lines
4.6 KiB
C

/****************************************************************************
* boards/arm/tiva/ekk-lm3s9b96/include/board.h
* include/arch/board/board.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* Jose Pablo Rojas V. <jrojas@nx-engineering.com>
*
* 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 __BOARDS_ARM_TIVA_EKK_LM3S9B96_INCLUDE_BOARD_H
#define __BOARDS_ARM_TIVA_EKK_LM3S9B96_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* RCC settings */
#define SYSCON_RCC_XTAL SYSCON_RCC_XTAL16000KHZ /* 16.000 MHz crystal */
#define XTAL_FREQUENCY 16000000
/* Oscillator source is the main oscillator (not internal, internal/4,
* 30KHz or 30KHz from hibernate module)
*/
#define SYSCON_RCC_OSCSRC SYSCON_RCC_OSCSRC_MOSC
#define SYSCON_RCC2_OSCSRC SYSCON_RCC2_OSCSRC2_MOSC
#define OSCSRC_FREQUENCY XTAL_FREQUENCY
/* Use system divider = 4; this corresponds to a system clock frequency
* of (400 / 2) / 4 = 50MHz
*/
#define TIVA_SYSDIV 4
#define SYSCLK_FREQUENCY 50000000 /* 50MHz */
/* Peripheral Clock (PCLK)
*
* Same frequency as the SYSCLK
*/
#define PCLK_FREQUENCY SYSCLK_FREQUENCY
/* Other RCC settings:
*
* - Main and internal oscillators enabled.
* - PLL and sys dividers not bypassed
* - PLL not powered down
* - No auto-clock gating reset
*/
#define TIVA_RCC_VALUE (SYSCON_RCC_OSCSRC | SYSCON_RCC_XTAL | SYSCON_RCC_USESYSDIV | SYSCON_RCC_SYSDIV(TIVA_SYSDIV))
/* RCC2 settings -- RCC2 not used. Other RCC2 settings
*
* - PLL and sys dividers not bypassed.
* - PLL not powered down
* - Not using RCC2
*/
#define TIVA_RCC2_VALUE (SYSCON_RCC2_OSCSRC | SYSCON_RCC2_SYSDIV(TIVA_SYSDIV))
/* LED definitions **********************************************************/
/* The EKK-LMS39B96 Eval Kit has only one user LED: Port D, Bit 0.
* Below is the mapping of this single LED.
* From this single LED, we can get the following information:
*
* OFF Steady: The system has failed to boot to the point of
* enabling interrupts
* ON Steady: The systems has enabled interrupts,
* but none have been received
* Dull glow: The system is taking interrupts
* Slow blinking: The system has panicked
* ON OFF
*/
#define LED_STARTED 0 /* OFF OFF */
#define LED_HEAPALLOCATE 1 /* OFF OFF */
#define LED_IRQSENABLED 2 /* ON ON */
#define LED_STACKCREATED 3 /* ON ON */
#define LED_INIRQ 4 /* ON OFF */
#define LED_SIGNAL 5 /* ON OFF */
#define LED_ASSERTION 6 /* ON OFF */
#define LED_PANIC 7 /* ON OFF */
#endif /* __BOARDS_ARM_TIVA_EKK_LM3S9B96_INCLUDE_BOARD_H */