nuttx/arch/arm/include/lpc11xx/chip.h

93 lines
4.4 KiB
C

/************************************************************************************
* arch/arm/include/lpc11xx/chip.h
*
* Copyright (C) 2015 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_INCLUDE_LPC11XX_CHIP_H
#define __ARCH_ARM_INCLUDE_LPC11XX_CHIP_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Get customizations for each supported chip */
#if defined(CONFIG_ARCH_CHIP_LPC1115)
# define LPC111x 1 /* LPC111x family */
# define LPC11_FLASH_SIZE (64*1024) /* 64Kb */
# define LPC11_SRAM_SIZE (8*1024) /* 8Kb */
# define LPC11_CPUSRAM_SIZE (8*1024)
# undef LPC11_HAVE_BANK0 /* No AHB SRAM bank 0 */
# undef LPC11_HAVE_BANK1 /* No AHB SRAM bank 1 */
# define LPC11_NETHCONTROLLERS 0 /* No Ethernet controller */
# define LPC11_NUSBHOST 0 /* No USB host controller */
# define LPC11_NUSBOTG 0 /* No USB OTG controller */
# define LPC11_NUSBDEV 1 /* One USB device controller */
# define LPC11_NCAN 1 /* One CAN controller */
# define LPC11_NI2S 0 /* No I2S modules */
# define LPC11_NDAC 0 /* No DAC module */
#else
# error "Unsupported LPC11xx chip"
#endif
/* NVIC priority levels *************************************************************/
/* Each priority field holds a priority value, 0-31. The lower the value, the greater
* the priority of the corresponding interrupt. The processor implements only
* bits[7:6] of each field, bits[5:0] read as zero and ignore writes.
*/
#define NVIC_SYSH_PRIORITY_MIN 0xc0 /* All bits[7:6] set is minimum priority */
#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */
#define NVIC_SYSH_PRIORITY_STEP 0x40 /* Two bits of interrupt priority used */
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_INCLUDE_LPC11XX_CHIP_H */