nuttx/boards/arm/tiva/lm3s6965-ek/src/lm3s6965-ek.h
YAMAMOTO Takashi 6be378221a tiva/lm3s6965-ek: Add bringup() function
A shrinked copy of the sim version.
I changed the license to apache 2.0 with a permisson from @patacongo.
2020-02-14 10:26:56 -06:00

153 lines
5.4 KiB
C

/****************************************************************************
* boards/arm/tiva/lm3s6965-ek/src/lm3s6965-ek.h
*
* Copyright (C) 2010 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 __BOARDS_ARM_TIVA_LM3S6965_EK_SRC_LM3S6965EK_H
#define __BOARDS_ARM_TIVA_LM3S6965_EK_SRC_LM3S6965EK_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include "chip.h"
#include "tiva_gpio.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* How many SSI modules does this chip support? The LM3S6965 supports 1 SSI
* module (others may support more than 2 -- in such case, the following must
* be expanded).
*/
#if TIVA_NSSI == 0
# undef CONFIG_TIVA_SSI0
# undef CONFIG_TIVA_SSI1
#elif TIVA_NSSI == 1
# undef CONFIG_TIVA_SSI1
#endif
/* LM3S6965 Eval Kit ********************************************************/
/* GPIO Usage
*
* PIN SIGNAL EVB Function
* --- ----------- ---------------------------------------
* 26 PA0/U0RX Virtual COM port receive
* 27 PA1/U0TX Virtual COM port transmit
* 10 PD0/IDX0 SD card chip select
* 11 PD1/PWM1 Sound
* 30 PA4/SSI0RX SD card data out
* 31 PA5/SSI0TX SD card and OLED display data in
* 28 PA2/SSI0CLK SD card and OLED display clock
* 22 PC7/PHB0 OLED display data/control select
* 29 PA3/SSI0FSS OLED display chip select
* 73 PE1/PWM5 Down switch
* 74 PE2/PHB1 Left switch
* 72 PE0/PWM4 Up switch
* 75 PE3/PHA1 Right switch
* 61 PF1/IDX1 Select switch
* 47 PF0/PWM0 User LED
* 23 PC6/CCP3 Enable +15 V
*/
/* GPIO for microSD card chip select:
* - PD0: SD card chip select (CARDCSn)
*/
#define SDCCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTD | 0)
/* GPIO for single LED:
* - PF0: User LED
*/
#define LED_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 0)
/* GPIOs for OLED:
* - PC7: OLED display data/control select (D/Cn)
* - PA3: OLED display chip select (CSn)
* - PC6: Enable +15V needed by OLED (EN+15V)
*/
#define OLEDDC_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
GPIO_VALUE_ONE | GPIO_PORTC | 7)
#define OLEDCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTA | 3)
#define OLEDEN_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
GPIO_VALUE_ONE | GPIO_PORTC | 6)
/* procfs File System */
#ifdef CONFIG_FS_PROCFS
# ifdef CONFIG_NSH_PROC_MOUNTPOINT
# define LM_PROCFS_MOUNTPOINT CONFIG_NSH_PROC_MOUNTPOINT
# else
# define LM_PROCFS_MOUNTPOINT "/proc"
# endif
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Name: lm_bringup
*
* Description:
* Bring up board features
*
****************************************************************************/
int lm_bringup(void);
/****************************************************************************
* Name: lm_ssidev_initialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the LM3S6965 Eval Kit.
*
****************************************************************************/
void weak_function lm_ssidev_initialize(void);
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_TIVA_LM3S6965_EK_SRC_LM3S6965EK_H */