[src/nathanw_sa]: src/sys/arch/sun2/sun2 Now use hand-defined macros instead ...

[fredette <fredette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9c4300690ef9
branches:  nathanw_sa
changeset: 504733:9c4300690ef9
user:      fredette <fredette%NetBSD.org@localhost>
date:      Mon Jun 11 21:33:48 2001 +0000

description:
Now use hand-defined macros instead of relying
on structure layout to find registers.  Added
a VME attachment.

diffstat:

 sys/arch/sun2/sun2/tod.h |  75 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 75 insertions(+), 0 deletions(-)

diffs (79 lines):

diff -r cb2705036de4 -r 9c4300690ef9 sys/arch/sun2/sun2/tod.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/sun2/sun2/tod.h  Mon Jun 11 21:33:48 2001 +0000
@@ -0,0 +1,75 @@
+/*     $NetBSD: tod.h,v 1.2.8.2 2001/06/11 21:33:48 fredette Exp $     */
+
+/*
+ * Structures and macros des accessing the National Semiconductor
+ * MM58167 time-of-day chip as wired in the Sun2.  See
+ * http://www.national.com/ds/MM/MM58167B.pdf for data sheets,
+ * and sys/dev/ic/mm58167var.h.
+ */
+
+#if __for_reference_only__
+struct mm58167regs {
+  
+  /* the various timers.  all of these values are in BCD: */
+
+  /* the most significant digit of this value is the milliseconds
+     unit; least significant digit of this value is undefined: */
+  u_int8_t mm58167_msec_xxx;
+  u_int8_t mm58167_unused0;
+  /* both digits of this value make up centiseconds: */
+  u_int8_t mm58167_csec;
+  u_int8_t mm58167_unused1;
+  u_int8_t mm58167_sec;
+  u_int8_t mm58167_unused2;
+  u_int8_t mm58167_min;
+  u_int8_t mm58167_unused3;
+  u_int8_t mm58167_hour;
+  u_int8_t mm58167_unused4;
+  u_int8_t mm58167_wday;
+  u_int8_t mm58167_unused5;
+  u_int8_t mm58167_day;
+  u_int8_t mm58167_unused6;
+  u_int8_t mm58167_mon;
+  u_int8_t mm58167_unused7;
+
+  /* the compare latches.  these line up with the timers above, but
+     since we don't use them, we don't go through the trouble of
+     defining real members for them: */
+  struct {
+    u_int8_t _mm58167_latch_val;
+    u_int8_t _mm58167_latch_unused;
+  } _mm58167_latches[8];
+
+  u_int8_t mm58167_isr;                /* interrupt status - not used */
+  u_int8_t _mm58167_unused8;
+  u_int8_t mm58167_icr;                /* interrupt control - not used */
+  u_int8_t _mm58167_unused9;
+  u_int8_t mm58167_creset;     /* counter reset mask */
+  u_int8_t _mm58167_unused10;
+  u_int8_t mm58167_lreset;     /* latch reset mask */
+  u_int8_t _mm58167_unused11;
+  u_int8_t mm58167_status;     /* bad counter read status */
+  u_int8_t _mm58167_unused12;
+  u_int8_t mm58167_go;         /* GO - start at integral seconds */
+  u_int8_t _mm58167_unused13;
+  u_int8_t mm58167_stby;       /* standby mode - not used */
+  u_int8_t _mm58167_unused14;
+  u_int8_t mm58167_test;       /* test mode - ??? */
+  u_int8_t _mm58167_unused15;
+};
+#endif
+
+/*
+ * Register offsets.
+ */
+#define        MM58167REG_MSEC_XXX     0
+#define        MM58167REG_CSEC         2
+#define        MM58167REG_SEC          4
+#define        MM58167REG_MIN          6
+#define        MM58167REG_HOUR         8
+#define        MM58167REG_WDAY         10
+#define        MM58167REG_DAY          12
+#define        MM58167REG_MON          14
+#define        MM58167REG_STATUS       40
+#define        MM58167REG_GO           42
+#define        MM58167REG_BANK_SZ      48