lpc24xx/include/bsp.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsARMLPC24XX
0007  *
0008  * @brief Global BSP definitions.
0009  */
0010
0011 /*
0012  * Copyright (C) 2008, 2014 embedded brains GmbH & Co. KG
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #ifndef LIBBSP_ARM_LPC24XX_BSP_H
0037 #define LIBBSP_ARM_LPC24XX_BSP_H
0038
0039 /**
0040  * @defgroup RTEMSBSPsARMLPC24XX NXP LPC17XX, LPC23XX, LPC24XX and LPC40XX
0041  *
0042  * @ingroup RTEMSBSPsARM
0043  *
0044  * @brief NXP LPC17XX, LPC23XX, LPC24XX and LPC40XX Board Support Package.
0045  *
0046  * @{
0047  */
0048
0049 #include <bspopts.h>
0050
0051 #define BSP_FEATURE_IRQ_EXTENSION
0052
0053 #define LPC24XX_PCLK (LPC24XX_CCLK / LPC24XX_PCLKDIV)
0054
0055 #define LPC24XX_EMCCLK (LPC24XX_CCLK / LPC24XX_EMCCLKDIV)
0056
0057 #define LPC24XX_MPU_REGION_COUNT 8
0058
0059 #define BSP_ARMV7M_IRQ_PRIORITY_DEFAULT (29 << 3)
0060
0061 #define BSP_ARMV7M_SYSTICK_PRIORITY (30 << 3)
0062
0063 #define BSP_ARMV7M_SYSTICK_FREQUENCY LPC24XX_CCLK
0064
0065 #ifndef ASM
0066
0067 #include <rtems.h>
0068
0069 #include <bsp/default-initial-extension.h>
0070
0071 #ifdef __cplusplus
0072 extern "C" {
0073 #endif /* __cplusplus */
0074
0075 struct rtems_bsdnet_ifconfig;
0076
0077 struct rtems_termios_device_context;
0078
0079 /**
0080  * @brief Network driver attach and detach function.
0081  */
0082 int lpc_eth_attach_detach(
0083   struct rtems_bsdnet_ifconfig *config,
0084   int attaching
0085 );
0086
0087 /**
0088  * @brief Standard network driver attach and detach function.
0089  */
0090 #define RTEMS_BSP_NETWORK_DRIVER_ATTACH lpc_eth_attach_detach
0091
0092 /**
0093  * @brief Standard network driver name.
0094  */
0095 #define RTEMS_BSP_NETWORK_DRIVER_NAME "eth0"
0096
0097 /**
0098  * @brief Optimized idle task.
0099  *
0100  * This idle task sets the power mode to idle.  This causes the processor clock
0101  * to be stopped, while on-chip peripherals remain active.  Any enabled
0102  * interrupt from a peripheral or an external interrupt source will cause the
0103  * processor to resume execution.
0104  *
0105  * To enable the idle task use the following in the system configuration:
0106  *
0107  * @code
0108  * #include <bsp.h>
0109  *
0110  * #define CONFIGURE_INIT
0111  *
0112  * #define CONFIGURE_IDLE_TASK_BODY bsp_idle_thread
0113  *
0114  * #include <confdefs.h>
0115  * @endcode
0116  */
0117 void *bsp_idle_thread(uintptr_t ignored);
0118
0119 #ifdef ARM_MULTILIB_ARCH_V4
0120   #define BSP_CONSOLE_UART_BASE 0xe000c000
0121 #else
0122   #define BSP_CONSOLE_UART_BASE 0x4000c000
0123 #endif
0124
0125 void bsp_restart(void *addr);
0126
0127 bool lpc24xx_uart_probe_1(struct rtems_termios_device_context *context);
0128
0129 bool lpc24xx_uart_probe_2(struct rtems_termios_device_context *context);
0130
0131 bool lpc24xx_uart_probe_3(struct rtems_termios_device_context *context);
0132
0133 #ifdef __cplusplus
0134 }
0135 #endif /* __cplusplus */
0136
0137 #endif /* ASM */
0138
0139 /** @} */
0140
0141 #endif /* LIBBSP_ARM_LPC24XX_BSP_H */