New files -- from rtems-LM-980406 which was based on an RTEMS from 12/97.

This was called the dmv170 BSP in that source tree but since the DMV171
is now obsolete, we have transitioned to the DMV177 and have no intention
of checking compatibility with any other models.

1 files changed, 178 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/dmv177/include/bsp.h b/c/src/lib/libbsp/powerpc/dmv177/include/bsp.h
new file mode 100644
index 0000000000..aa4f4df348
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/dmv177/include/bsp.h
@@ -0,0 +1,178 @@
+/*  bsp.h
+ *
+ *  This include file contains all DY-4 DMV170 board IO definitions.
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  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 __DMV170_BSP_h
+#define __DMV170_BSP_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>
+
+#include <dmv170.h>
+
+#define Enable_Debug() \
+  DMV170_WRITE( 0xffffbd0c, 0 )
+
+#define Debug_Entry( num ) \
+  DMV170_WRITE( 0xffffbd06, num )
+
+/*
+ * The following macro calculates the Baud constant. For the Z8530 chip.
+ */
+#define Z8530_Baud( _frequency, _clock_by, _baud_rate  )   \
+  ( (_frequency /( _clock_by * 2 * _baud_rate))  - 2)
+
+
+/*
+ *  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 1
+
+#define Install_tm27_vector( _handler ) \
+  set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 )
+
+#define Cause_tm27_intr()  \
+  do { \
+    unsigned32 _clicks = 1; \
+    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
+  } while (0)
+
+
+#define Clear_tm27_intr() \
+  do { \
+    unsigned32 _clicks = 0xffffffff; \
+    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
+  } while (0)
+
+#define Lower_tm27_intr() \
+  do { \
+    unsigned32 _msr = 0; \
+    _ISR_Set_level( 0 ); \
+    asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
+    _msr |=  0x8002; \
+    asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
+  } while (0)
+
+/* 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   end;        /* last address in the program */
+
+/*
+ * How many libio files we want
+ */
+ 
+#define BSP_LIBIO_MAX_FDS       20
+
+/* functions */
+
+/* 
+ * 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 DEBUG_puts( char *string );
+
+void BSP_fatal_return( void );
+
+
+
+void bsp_start( void );
+
+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  */
+);
+
+void BSP_fatal_return( void );
+
+void bsp_spurious_initialize( void );
+
+extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */
+
+extern rtems_cpu_table           Cpu_table;             /* owned by BSP */
+
+extern rtems_unsigned32          bsp_isr_level;
+
+extern int   CPU_PPC_CLICKS_PER_MS;
+
+#endif /* ASM */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */