bsp.h

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/* SPDX-License-Identifier: BSD-2-Clause */

 
/*
 * RTEMS generic MPC83xx BSP
 *
 * This file contains board specific definitions.
 */
 
/*
 * Copyright (c) 2007 embedded brains GmbH & Co. KG
 *
 * 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.
 *
 * 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 LIBBSP_POWERPC_GEN83XX_BSP_H
#define LIBBSP_POWERPC_GEN83XX_BSP_H

 
#define BSP_FEATURE_IRQ_EXTENSION
 
#include <bspopts.h>
 
#include <libcpu/powerpc-utility.h>
 
#include <bsp/hwreg_vals.h>
 
/*
 * Some symbols defined in the linker command file.
 */
 
LINKER_SYMBOL(bsp_ram_start);
LINKER_SYMBOL(bsp_ram_end);
LINKER_SYMBOL(bsp_ram_size);
 
LINKER_SYMBOL(bsp_rom_start);
LINKER_SYMBOL(bsp_rom_end);
LINKER_SYMBOL(bsp_rom_size);
 
LINKER_SYMBOL(bsp_section_text_start);
LINKER_SYMBOL(bsp_section_text_end);
LINKER_SYMBOL(bsp_section_text_size);
 
LINKER_SYMBOL(bsp_section_data_start);
LINKER_SYMBOL(bsp_section_data_end);
LINKER_SYMBOL(bsp_section_data_size);
 
LINKER_SYMBOL(bsp_section_bss_start);
LINKER_SYMBOL(bsp_section_bss_end);
LINKER_SYMBOL(bsp_section_bss_size);
 
LINKER_SYMBOL(bsp_work_area_start);
 
LINKER_SYMBOL(IMMRBAR);
 
#ifndef ASM
 
#include <rtems.h>
#include <bsp/vectors.h>
#include <bsp/irq.h>
#include <bsp/default-initial-extension.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * indicate, that BSP has no IDE driver
 */
#undef RTEMS_BSP_HAS_IDE_DRIVER
 
/* misc macros */
#define BSP_ARRAY_CNT(arr) (sizeof(arr)/sizeof(arr[0]))
 
void *bsp_idle_thread( uintptr_t ignored );
#define BSP_IDLE_TASK_BODY bsp_idle_thread
 
/* functions */
rtems_status_code bsp_register_i2c(void);
rtems_status_code bsp_register_spi(void);
 
/*
 * Network driver configuration
 */
struct rtems_bsdnet_ifconfig;
extern int BSP_tsec_attach(struct rtems_bsdnet_ifconfig *config,int attaching);
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH BSP_tsec_attach
 
#ifdef MPC83XX_BOARD_MPC8313ERDB
  #define RTEMS_BSP_NETWORK_DRIVER_NAME "tsec2"
  #define RTEMS_BSP_NETWORK_DRIVER_NAME2 "tsec1"
#else
  #define RTEMS_BSP_NETWORK_DRIVER_NAME "tsec1"
  #define RTEMS_BSP_NETWORK_DRIVER_NAME2 "tsec2"
#endif
 
#if defined(MPC83XX_BOARD_MPC8349EAMDS)
/*
 * i2c EEPROM device name
 */
#define RTEMS_BSP_I2C_EEPROM_DEVICE_NAME "eeprom"
#define RTEMS_BSP_I2C_EEPROM_DEVICE_PATH "/dev/i2c1.eeprom"
 
/*
 * SPI Flash device name
 */
#define RTEMS_BSP_SPI_FLASH_DEVICE_NAME "flash"
#define RTEMS_BSP_SPI_FLASH_DEVICE_PATH "/dev/spi.flash"
#endif /* defined(MPC83XX_BOARD_MPC8349EAMDS) */
 
#if defined(MPC83XX_BOARD_HSC_CM01)
/*
 * i2c EEPROM device name
 */
#define RTEMS_BSP_I2C_EEPROM_DEVICE_NAME "eeprom"
#define RTEMS_BSP_I2C_EEPROM_DEVICE_PATH "/dev/i2c1.eeprom"
 
/*
 * SPI FRAM device name
 */
#define RTEMS_BSP_SPI_FRAM_DEVICE_NAME "fram"
#define RTEMS_BSP_SPI_FRAM_DEVICE_PATH "/dev/spi.fram"
#endif /* defined(MPC83XX_BOARD_HSC_CM01) */
 
extern unsigned int BSP_bus_frequency;
 
extern uint32_t bsp_clicks_per_usec;
 
/*
 *  Convert decrementer value to tenths of microseconds (used by shared timer
 *  driver).
 */
#define BSP_Convert_decrementer( _value ) \
  ((int) (((_value) * 10) / bsp_clicks_per_usec))
 
void mpc83xx_zero_4( void *dest, size_t n);
 
void cpu_init( void);
 
void bsp_restart(void *addr);
 
#if defined(HAS_UBOOT)
  /* Routine to obtain U-Boot environment variables */
  const char *bsp_uboot_getenv(
    const char *name
  );
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* ASM */

 
#endif /* GEN83xx */