bsp.h

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/*
 *  RTEMS TQM8xx BSP
 *  This include file contains all board IO definitions.
 */

/*
 * This file has been adapted to MPC8xx by:
 *    Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>
 *    Copyright (c) 2008
 *    Embedded Brains GmbH
 *    Obere Lagerstr. 30
 *    D-82178 Puchheim
 *    Germany
 *    rtems@embedded-brains.de
 *
 *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#ifndef LIBBSP_POWERPC_TQM8XX_BSP_H
#define LIBBSP_POWERPC_TQM8XX_BSP_H

/*
 * indicate, that BSP is booted via TQMMon
 */
#define BSP_HAS_TQMMON

#include <libcpu/powerpc-utility.h>

LINKER_SYMBOL(TopRamReserved);

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);

#ifndef ASM

#include <bspopts.h>

#include <rtems.h>
#include <rtems/irq.h>
#include <mpc8xx.h>
#include <mpc8xx/cpm.h>
#include <mpc8xx/mmu.h>
#include <mpc8xx/console.h>
#include <bsp/vectors.h>
#include <bsp/tqm.h>
#include <libcpu/powerpc-utility.h>
#include <bsp/default-initial-extension.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Network driver configuration
 */
struct rtems_bsdnet_ifconfig;

#if BSP_USE_NETWORK_FEC
extern int rtems_fec_enet_driver_attach (struct rtems_bsdnet_ifconfig *config,
                     int attaching);
#define RTEMS_BSP_FEC_NETWORK_DRIVER_NAME   "fec1"
#define RTEMS_BSP_FEC_NETWORK_DRIVER_ATTACH rtems_fec_enet_driver_attach
#endif

#if BSP_USE_NETWORK_SCC
extern int rtems_scc_enet_driver_attach (struct rtems_bsdnet_ifconfig *config,
                     int attaching);
#define RTEMS_BSP_SCC_NETWORK_DRIVER_NAME   "scc1"
#define RTEMS_BSP_SCC_NETWORK_DRIVER_ATTACH rtems_scc_enet_driver_attach
#endif

#if BSP_USE_NETWORK_FEC
#define RTEMS_BSP_NETWORK_DRIVER_NAME   RTEMS_BSP_FEC_NETWORK_DRIVER_NAME
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH RTEMS_BSP_FEC_NETWORK_DRIVER_ATTACH
#elif BSP_USE_NETWORK_SCC
#define RTEMS_BSP_NETWORK_DRIVER_NAME   RTEMS_BSP_SCC_NETWORK_DRIVER_NAME
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH RTEMS_BSP_SCC_NETWORK_DRIVER_ATTACH
#endif
/*
 * We need to decide how much memory will be non-cacheable. This
 * will mainly be memory that will be used in DMA (network and serial
 * buffers).
 */
#define NOCACHE_MEM_SIZE 512*1024

/*
 * indicate, that BSP has IDE driver
 */
#undef RTEMS_BSP_HAS_IDE_DRIVER

/*
 * SPI driver configuration
 */

  /* select values for SPI addressing */
#define PGHPLUS_SPI_ADDR_EEPROM 0
#define PGHPLUS_SPI_ADDR_DISP4  1
  /* NOTE: DISP4 occupies two consecutive addresses for data and control port */
#define PGHPLUS_SPI_ADDR_DISP4_DATA  (PGHPLUS_SPI_ADDR_DISP4)
#define PGHPLUS_SPI_ADDR_DISP4_CTRL  (PGHPLUS_SPI_ADDR_DISP4_DATA+1)

  /* bit masks for Port B lines */
#define PGHPLUS_PB_SPI_EEP_CE_MSK     (1<< 0)
#define PGHPLUS_PB_SPI_DISP4_RS_MSK   (1<<15)
#define PGHPLUS_PB_SPI_DISP4_CE_MSK   (1<<14)

/*
 * our (internal) bus frequency
 */
extern uint32_t BSP_bus_frequency;

/*
 *  Interfaces to required Clock Driver support methods
 */
int BSP_disconnect_clock_handler(void);
int BSP_connect_clock_handler (rtems_irq_hdl);

extern uint32_t bsp_clock_speed;

char serial_getc(void);

int serial_tstc(void);

void serial_init(void);

int mbx8xx_console_get_configuration(void);

void _InitTQM8xx (void);

rtems_status_code bsp_register_spi(void);

void *bsp_idle_thread( uintptr_t ignored );

void cpu_init(void);

#ifdef __cplusplus
}
#endif

#endif

#endif