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/*
* This include file contains all board IO definitions.
*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _BSP_H
#define _BSP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <bspopts.h>
#include <rtems.h>
#include <rtems/console.h>
#include <libcpu/io.h>
#include <rtems/clockdrv.h>
#include <bsp/vectors.h>
/*
* confdefs.h overrides for this BSP:
* - termios serial ports (defaults to 1)
* - Interrupt stack space is not minimum if defined.
*/
#if (HAS_PMC_PSC8)
#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS (4 + 4)
#else
#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS (4)
#endif
#ifdef ASM
/* Definition of where to store registers in alignment handler */
#define ALIGN_REGS 0x0140
#else
#include <rtems.h>
#include <rtems/console.h>
#include <rtems/clockdrv.h>
#include <rtems/iosupp.h>
/*
* We no longer support the first generation board.
*/
#include <gen2.h>
/*
* The following macro calculates the Baud constant. For the Z8530 chip.
*
* Note: baud constant = ((clock frequency / Clock_X) / (2 * Baud Rate)) - 2
* for the Score603e ((10,000,000 / 16) / (2 * Baud Rate)) - 2
*/
#define _Score603e_Z8530_Baud( _frequency, _clock_by, _baud_rate ) \
( (_frequency /( _clock_by * 2 * _baud_rate)) - 2)
#define Score603e_Z8530_Chip1_Baud( _value ) \
_Score603e_Z8530_Baud( SCORE603E_85C30_1_CLOCK, \
SCORE603E_85C30_1_CLOCK_X, _value )
#define Score603e_Z8530_Chip0_Baud( _value ) \
_Score603e_Z8530_Baud( SCORE603E_85C30_0_CLOCK, \
SCORE603E_85C30_0_CLOCK_X, _value )
#define Initialize_Board_ctrl_register() \
*SCORE603E_BOARD_CTRL_REG = (*SCORE603E_BOARD_CTRL_REG | \
SCORE603E_BRD_FLASH_DISABLE_MASK)
#define Processor_Synchronize() \
asm(" eieio ")
/*
* Information placed in the linkcmds file.
*/
extern void *RAM_END;
extern void *end;
extern int CLOCK_SPEED;
extern int CPU_PPC_CLICKS_PER_MS;
/*
* system init stack
*/
#define BSP_INIT_STACK_SIZE 0x1000
/*
* Total RAM available
*/
extern unsigned int BSP_mem_size;
/* functions */
/*
* spurious.c
*/
rtems_isr bsp_stub_handler(
rtems_vector_number trap
);
rtems_isr bsp_spurious_handler(
rtems_vector_number trap
);
void bsp_spurious_initialize();
/*
* genvec.c
*/
rtems_isr_entry set_EE_vector(
rtems_isr_entry handler, /* isr routine */
rtems_vector_number vector /* vector number */
);
void initialize_external_exception_vector ();
/*
* console.c
*/
void BSP_fatal_return( void );
/*
* Hwr_init.c
*/
void init_PCI();
void instruction_cache_enable ();
void data_cache_enable ();
void initialize_PCI_bridge ();
uint16_t read_and_clear_irq ();
void set_irq_mask(
uint16_t value
);
uint16_t get_irq_mask();
/*
* universe.c
*/
void initialize_universe();
void set_irq_mask(
uint16_t value
);
uint16_t get_irq_mask();
void unmask_irq(
uint16_t irq_idx
);
void init_irq_data_register();
uint16_t read_and_clear_PMC_irq(
uint16_t irq
);
bool Is_PMC_IRQ(
uint32_t pmc_irq,
uint16_t status_word
);
uint16_t read_and_clear_irq();
/*
* FPGA.c
*/
void initialize_PCI_bridge ();
/* flash.c */
unsigned int SCORE603e_FLASH_Disable(
uint32_t unused
);
unsigned int SCORE603e_FLASH_verify_enable();
unsigned int SCORE603e_FLASH_Enable_writes(
uint32_t area /* Unused */
);
#define BSP_FLASH_ENABLE_WRITES( _area) SCORE603e_FLASH_Enable_writes( _area )
#define BSP_FLASH_DISABLE_WRITES(_area) SCORE603e_FLASH_Disable( _area )
#define Convert_Endian_32( _data ) \
( ((_data&0x000000ff)<<24) | ((_data&0x0000ff00)<<8) | \
((_data&0x00ff0000)>>8) | ((_data&0xff000000)>>24) )
#define Convert_Endian_16( _data ) \
( ((_data&0x00ff)<<8) | ((_data&0xff00)>>8) )
#endif /* ASM */
#ifdef __cplusplus
}
#endif
#endif
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