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Diffstat (limited to 'c/src/lib/libbsp/m68k/dmv152/include/bsp.h')
| -rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/include/bsp.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/dmv152/include/bsp.h b/c/src/lib/libbsp/m68k/dmv152/include/bsp.h new file mode 100644 index 0000000000..7e4f423102 --- /dev/null +++ b/c/src/lib/libbsp/m68k/dmv152/include/bsp.h @@ -0,0 +1,169 @@ +/* bsp.h + * + * This include file contains all DMV152 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. + * + * $Id$ + */ + +#ifndef __DMV152_h +#define __DMV152_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems.h> +#include <iosupp.h> +#include <z8530.h> +#include <z8536.h> + +/* + * 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 + */ + +/* use a VMEbus interrupt */ + +#define MUST_WAIT_FOR_INTERRUPT 1 + +#define Install_tm27_vector( handler ) \ + { \ + set_vector( (handler), 0x50, 1 ); \ + (*(volatile rtems_unsigned32 *)0x0d800024) = 0x50; /* set IVECT reg */ \ + (*(volatile rtems_unsigned8 *)0x0d00000c) = 0x40; /* set VIE reg */ \ + } + +#define Cause_tm27_intr() \ + (*(volatile rtems_unsigned8 *)0x0d000003) = 0x0f /* set VINT */ + +#define Clear_tm27_intr() /* no operation necessary */ + +#define Lower_tm27_intr() + +/* + * Simple spin delay in microsecond units for device drivers. + * This is very dependent on the clock speed of the target. + */ + +#define delay( microseconds ) \ + { register rtems_unsigned32 _delay=(microseconds); \ + register rtems_unsigned32 _tmp=123; \ + asm volatile( "0: \ + nbcd %0 ; \ + nbcd %0 ; \ + dbf %1,0b" \ + : "=d" (_tmp), "=d" (_delay) \ + : "0" (_tmp), "1" (_delay) ); \ + } + +/* macros */ + +#undef Z8x36_STATE0 +#undef Z8x36_WRITE +#undef Z8x36_READ + +#define Z8x36_STATE0 ( z8536 ) \ + { char *garbage; \ + (garbage) = *(VOL8(z8536+0x7)) \ + } + +#define Z8x36_WRITE( z8536, reg, data ) \ + *(VOL8(z8536+0x7)) = (reg); \ + *(VOL8(z8536+0x7)) = (data) + +#define Z8x36_READ( z8536, reg, data ) \ + *(VOL8(z8536+0x7)) = (reg); \ + (data) = *(VOL8(z8536+0x7)) + +/* + * ACC Register Addresses + */ + +#define ACC_BASE 0x0D000000 + +#define ACC_STAT0 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x00)) +#define ACC_STAT1 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x01)) +#define ACC_GENCTL ((volatile rtems_unsigned8 *) (ACC_BASE + 0x02)) +#define ACC_VINT ((volatile rtems_unsigned8 *) (ACC_BASE + 0x03)) +#define ACC_VREQ ((volatile rtems_unsigned8 *) (ACC_BASE + 0x04)) +#define ACC_VARB ((volatile rtems_unsigned8 *) (ACC_BASE + 0x05)) +#define ACC_ID ((volatile rtems_unsigned8 *) (ACC_BASE + 0x06)) +#define ACC_CTL2 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x07)) +#define ACC_7IS ((volatile rtems_unsigned8 *) (ACC_BASE + 0x08)) +#define ACC_LIS ((volatile rtems_unsigned8 *) (ACC_BASE + 0x09)) +#define ACC_7IE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0A)) +#define ACC_LIE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0B)) +#define ACC_VIE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0C)) +#define ACC_IC10 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0D)) +#define ACC_IC32 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0E)) +#define ACC_IC54 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0F)) + +/* constants */ + +#define RAM_START 0 +#define RAM_END 0x100000 + +#define USE_CHANNEL_A 0 /* 1 = use channel A for console */ +#define USE_CHANNEL_B 1 /* 1 = use channel B for console */ + +#define TIMER 0x0c000000 +#define TIMER_VECTOR 0x4D + +#if (USE_CHANNEL_A == 1) +#define CONSOLE_CONTROL 0x0C800007 +#define CONSOLE_DATA 0x0C800005 +#elif (USE_CHANNEL_B == 1) +#define CONSOLE_CONTROL 0x0C800001 +#define CONSOLE_DATA 0x0C800003 +#endif + +/* Structures */ + +#ifdef D152_INIT +#undef EXTERN +#define EXTERN +#else +#undef EXTERN +#define EXTERN extern +#endif + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; + +extern m68k_isr M68Kvec[]; /* vector table address */ + +/* functions */ + +void bsp_cleanup( void ); + +m68k_isr set_vector( + rtems_isr_entry handler, + rtems_vector_number vector, + int type +); + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |