/* bsp.h
*
* This include file contains all MVME162 board IO definitions.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* Modifications of respective RTEMS file: COPYRIGHT (c) 1994.
* EISCAT Scientific Association. M.Savitski
*
* This material is a part of the MVME162 Board Support Package
* for the RTEMS executive. Its licensing policies are those of the
* RTEMS above.
*
* $Id$
*/
#ifndef __MVME162_h
#define __MVME162_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems.h>
#include <clockdrv.h>
#include <console.h>
#include <iosupp.h>
/*
* Following defines must reflect the setup of the particular MVME162
*/
#define GROUP_BASE_ADDRESS 0x0000F200
#define BOARD_BASE_ADDRESS 0xFFFF0000
/* Base for local interrupters' vectors (with enable bit set) */
#define MASK_INT 0x00800000
#define VBR0 0x6
#define VBR1 0x7
/* RAM limits */
#define RAM_START 0x00100000
#define RAM_END 0x00200000
/*
* ----------------------------------
*/
typedef volatile struct lcsr_regs {
unsigned long slave_adr[2];
unsigned long slave_trn[2];
unsigned long slave_ctl;
unsigned long mastr_adr[4];
unsigned long mastr_trn;
unsigned long mastr_att;
unsigned long mastr_ctl;
unsigned long dma_ctl_1;
unsigned long dma_ctl_2;
unsigned long dma_loc_cnt;
unsigned long dma_vme_cnt;
unsigned long dma_byte_cnt;
unsigned long dma_adr_cnt;
unsigned long dma_status;
unsigned long to_ctl;
unsigned long timer_cmp_1;
unsigned long timer_cnt_1;
unsigned long timer_cmp_2;
unsigned long timer_cnt_2;
unsigned long board_ctl;
unsigned long prescaler_cnt;
unsigned long intr_stat;
unsigned long intr_ena;
unsigned long intr_soft_set;
unsigned long intr_clear;
unsigned long intr_level[4];
unsigned long vector_base;
} lcsr_regs;
#define lcsr ((lcsr_regs * const) 0xFFF40000)
typedef volatile struct mcchip_regs {
unsigned char chipID;
unsigned char chipREV;
unsigned char gen_control;
unsigned char vector_base;
unsigned long timer_cmp_1;
unsigned long timer_cnt_1;
unsigned long timer_cmp_2;
unsigned long timer_cnt_2;
unsigned char LSB_prescaler_count;
unsigned char prescaler_clock_adjust;
unsigned char time_ctl_2;
unsigned char time_ctl_1;
unsigned char time_int_ctl_4;
unsigned char time_int_ctl_3;
unsigned char time_int_ctl_2;
unsigned char time_int_ctl_1;
unsigned char dram_err_int_ctl;
unsigned char SCC_int_ctl;
unsigned char time_ctl_4;
unsigned char time_ctl_3;
unsigned short DRAM_space_base;
unsigned short SRAM_space_base;
unsigned char DRAM_size;
unsigned char DRAM_SRAM_opt;
unsigned char SRAM_size;
unsigned char reserved;
unsigned char LANC_error;
unsigned char reserved1;
unsigned char LANC_int_ctl;
unsigned char LANC_berr_ctl;
unsigned char SCSI_error;
unsigned char general_inputs;
unsigned char MVME_162_version;
unsigned char SCSI_int_ctl;
unsigned long timer_cmp_3;
unsigned long timer_cnt_3;
unsigned long timer_cmp_4;
unsigned long timer_cnt_4;
unsigned char bus_clk;
unsigned char PROM_acc_time_ctl;
unsigned char FLASH_acc_time_ctl;
unsigned char ABORT_int_ctl;
unsigned char RESET_ctl;
unsigned char watchdog_timer_ctl;
unsigned char acc_watchdog_time_base_sel;
unsigned char reserved2;
unsigned char DRAM_ctl;
unsigned char reserved4;
unsigned char MPU_status;
unsigned char reserved3;
unsigned long prescaler_count;
} mcchip_regs;
#define mcchip ((mcchip_regs * const) 0xFFF42000)
/*----------------------------------------------------------------*/
/*
* SCC Z8523(0) defines and macros
* -------------------------------
* Prototypes for the low-level serial io are also included here,
* because such stuff is bsp-specific (yet). The function bodies
* are in console.c
*/
enum {portB, portA};
rtems_boolean char_ready(int port, char *ch);
char char_wait(int port);
void char_put(int port, char ch);
#define TX_BUFFER_EMPTY 0x04
#define RX_DATA_AVAILABLE 0x01
#define SCC_VECTOR 0x40
typedef volatile struct scc_regs {
unsigned char pad1;
volatile unsigned char csr;
unsigned char pad2;
volatile unsigned char buf;
} scc_regs;
#define scc ((scc_regs * const) 0xFFF45000)
#define ZWRITE0(port, v) (scc[port].csr = (unsigned char)(v))
#define ZREAD0(port) (scc[port].csr)
#define ZREAD(port, n) (ZWRITE0(port, n), (scc[port].csr))
#define ZREADD(port) (scc[port].buf)
#define ZWRITE(port, n, v) (ZWRITE0(port, n), ZWRITE0(port, v))
#define ZWRITED(port, v) (scc[port].buf = (unsigned char)(v))
/*----------------------------------------------------------------*/
/*
* The following registers are located in the VMEbus short
* IO space and respond to address modifier codes $29 and $2D.
* On FORCE CPU use address gcsr_vme and device /dev/vme16d32.
*/
typedef volatile struct gcsr_regs {
unsigned char chip_revision;
unsigned char chip_id;
unsigned char lmsig;
unsigned char board_scr;
unsigned short gpr[6];
} gcsr_regs;
#define gcsr_vme ((gcsr_regs * const) (GROUP_BASE_ADDRESS + BOARD_BASE_ADDRESS))
#define gcsr ((gcsr_regs * const) 0xFFF40100)
/*
* Define the time limits for RTEMS Test Suite test durations.
* Long test and short test duration limits are provided. These
* values are in seconds and need to be converted to ticks for the
* application.
*
*/
#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */
#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */
/*
* Define the interrupt mechanism for Time Test 27
*
* NOTE: We use software interrupt 0
*/
#define MUST_WAIT_FOR_INTERRUPT 0
#define Install_tm27_vector( handler ) \
set_vector( (handler), VBR1 * 0x10 + 0x8, 1 ); \
lcsr->intr_level[2] |= 3; \
lcsr->intr_ena |= 0x100;
#define Cause_tm27_intr() lcsr->intr_soft_set |= 0x100
#define Clear_tm27_intr() lcsr->intr_clear |= 0x100
#define Lower_tm27_intr()
#ifdef M162_INIT
#undef EXTERN
#define EXTERN
#else
#undef EXTERN
#define EXTERN extern
#endif
/*
* Device Driver Table Entries
*/
/*
* NOTE: Use the standard Console driver entry
*/
/*
* NOTE: Use the standard Clock driver entry
*/
/*
* How many libio files we want
*/
#define BSP_LIBIO_MAX_FDS 20
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration;
extern m68k_isr_entry M68Kvec[]; /* vector table address */
/* functions */
void bsp_cleanup( void );
m68k_isr_entry set_vector(
rtems_isr_entry handler,
rtems_vector_number vector,
int type
);
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
