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Diffstat (limited to 'c/src/lib/libbsp/powerpc/papyrus/include/bsp.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/include/bsp.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h b/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h new file mode 100644 index 0000000000..38d71954c7 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/papyrus/include/bsp.h @@ -0,0 +1,154 @@ +/* bsp.h + * + * This include file contains all Papyrus board IO definitions. + * + * Author: Andrew Bray <andy@i-cubed.co.uk> + * + * COPYRIGHT (c) 1995 by i-cubed ltd. + * + * To anyone who acknowledges that this file is provided "AS IS" + * without any express or implied warranty: + * permission to use, copy, modify, and distribute this file + * for any purpose is hereby granted without fee, provided that + * the above copyright notice and this notice appears in all + * copies, and that the name of i-cubed limited not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * i-cubed limited makes no representations about the suitability + * of this software for any purpose. + * + * Derived from c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#ifndef __PAPYRUS_h +#define __PAPYRUS_h + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef ASM +/* Definition of where to store registers in alignment handler */ +#define ALIGN_REGS 0x0140 + +#else +#include <rtems.h> +#include <console.h> +#include <clockdrv.h> +#include <console.h> +#include <iosupp.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 */ + + +/* + * Stuff for Time Test 27 + */ + +#define MUST_WAIT_FOR_INTERRUPT 0 + +#define Install_tm27_vector( handler ) set_vector( (handler), PPC_IRQ_SCALL, 1 ) + +#define Cause_tm27_intr() asm volatile ("sc") + +#define Clear_tm27_intr() + +#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 ) \ + { \ + unsigned32 start, ticks, now; \ + asm volatile ("mfspr %0, 0x3dd" : "=r" (start)); /* TBLO */ \ + ticks = (microseconds) * Cpu_table.clicks_per_usec; \ + do \ + asm volatile ("mfspr %0, 0x3dd" : "=r" (now)); /* TBLO */ \ + while (now - start < ticks); \ + } + + +/* Constants */ + +#define RAM_START 0 +#define RAM_END 0x00200000 + + +/* Some useful LED debugging bits */ +/* LED numbers are from 0-2 */ +#define __led_base ((volatile int *)0x7F200000) + +/* Turn a LED on */ +#define led_on(n) (__led_base[n] = 0) + +/* Turn a LED off */ +#define led_off(n) (__led_base[n] = 1) + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; /* owned by BSP */ +extern rtems_cpu_table Cpu_table; /* owned by BSP */ + +/* + * 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 + +/* functions */ + +int bsp_start( + int argc, + char **argv, + char **environp +); + +void bsp_cleanup( void ); + +rtems_isr_entry set_vector( /* returns old vector */ + rtems_isr_entry handler, /* isr routine */ + rtems_vector_number vector, /* vector number */ + int type /* RTEMS or RAW intr */ +); +#endif /* ASM */ + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |