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/*
* This include file contains all board IO definitions.
*/
/*
* COPYRIGHT (c) 1989-2014.
* 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_SCORE603E_BSP_H
#define LIBBSP_POWERPC_SCORE603E_BSP_H
#define BSP_ZERO_WORKSPACE_AUTOMATICALLY TRUE
#include <bspopts.h>
#include <bsp/default-initial-extension.h>
#include <rtems.h>
#include <rtems/console.h>
#include <libcpu/io.h>
#include <rtems/clockdrv.h>
#include <bsp/vectors.h>
#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>
#include <bsp/irq.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* 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__ volatile(" eieio ")
/* Constants */
/*
* Device Driver Table Entries
*/
/*
* NOTE: Use the standard Console driver entry
*/
/*
* NOTE: Use the standard Clock driver entry
*/
/*
* Information placed in the linkcmds file.
*/
extern int RAM_START;
extern int RAM_END;
extern int RAM_SIZE;
extern int PROM_START;
extern int PROM_END;
extern int PROM_SIZE;
extern int CLOCK_SPEED;
extern int CPU_PPC_CLICKS_PER_MS;
extern int end; /* last address in the program */
/*
* Total RAM available
*/
extern int end; /* last address in the program */
extern int RAM_END;
extern uint32_t BSP_mem_size;
/*
* How many libio files we want
*/
#define BSP_LIBIO_MAX_FDS 20
/* functions */
/*
*
*/
rtems_isr_entry set_EE_vector(
rtems_isr_entry handler, /* isr routine */
rtems_vector_number vector /* vector number */
);
void initialize_external_exception_vector(void);
/*
* Hwr_init.c
*/
void init_PCI(void);
void init_RTC(void);
void instruction_cache_enable(void);
void data_cache_enable(void);
void initialize_PCI_bridge(void);
uint16_t read_and_clear_irq(void);
void set_irq_mask(uint16_t value);
uint16_t get_irq_mask(void);
/*
* universe.c
*/
void initialize_universe(void);
void set_irq_mask(uint16_t value);
uint16_t get_irq_mask(void);
void unmask_irq(uint16_t irq_idx);
void mask_irq(uint16_t irq_idx);
void init_irq_data_register(void);
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(void);
void set_vme_base_address(uint32_t base_address);
uint32_t get_vme_slave_size(void);
void set_vme_slave_size (uint32_t size);
/*
* FPGA.c
*/
void initialize_PCI_bridge(void);
void init_irq_data_register(void);
uint32_t Read_pci_device_register(uint32_t address);
void Write_pci_device_register(uint32_t address, uint32_t data);
/* flash.c */
unsigned int SCORE603e_FLASH_Disable(uint32_t unused);
unsigned int SCORE603e_FLASH_verify_enable(void);
unsigned int SCORE603e_FLASH_Enable_writes(uint32_t area);
/*
* PCI.c
*/
uint32_t PCI_bus_read(volatile uint32_t *_addr);
void PCI_bus_write(volatile uint32_t *_addr, uint32_t _data);
#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) )
/*
* Interfaces to required Clock Driver support methods
*/
int BSP_disconnect_clock_handler(void);
int BSP_connect_clock_handler(void);
#ifdef __cplusplus
}
#endif
#endif /* ASM */
#endif
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