1 files changed, 96 insertions, 0 deletions
diff --git a/sys/dev/mk48txx/mk48txxreg.h b/sys/dev/mk48txx/mk48txxreg.h
new file mode 100644
index 0000000..817f122
--- /dev/null
+++ b/sys/dev/mk48txx/mk48txxreg.h
@@ -0,0 +1,96 @@
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ *	$NetBSD: mk48txxreg.h,v 1.4 2000/11/11 11:59:42 pk Exp $
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Mostek MK48Txx clocks.
+ *
+ * The MK48T02 has 2KB of non-volatile memory. The time-of-day clock
+ * registers start at offset 0x7f8.
+ *
+ * The MK48T08 has 8KB of non-volatile memory
+ *
+ * The MK48T59 also has 8KB of non-volatile memory but in addition it
+ * has a battery low detection bit and a power supply wakeup alarm for
+ * power management.  It's at offset 0x1ff0 in the NVRAM.
+ */
+
+/*
+ * Mostek MK48TXX register definitions
+ */
+
+/*
+ * The first bank of eight registers at offset (nvramsz - 16) is
+ * available only on recenter (which?) MK48Txx models.
+ */
+#define MK48TXX_X0	0	/* find out later */
+				/* ... */
+#define MK48TXX_X7	7	/* find out later */
+#define MK48TXX_ICSR	8	/* control register */
+#define MK48TXX_ISEC	9	/* seconds (0..59; BCD) */
+#define MK48TXX_IMIN	10	/* minutes (0..59; BCD) */
+#define MK48TXX_IHOUR	11	/* hour (0..23; BCD) */
+#define MK48TXX_IWDAY	12	/* weekday (1..7) */
+#define MK48TXX_IDAY	13	/* day in month (1..31; BCD) */
+#define MK48TXX_IMON	14	/* month (1..12; BCD) */
+#define MK48TXX_IYEAR	15	/* year (0..99; BCD) */
+
+/* Bits in the control register */
+#define MK48TXX_CSR_WRITE	0x80	/* want to write */
+#define MK48TXX_CSR_READ	0x40	/* want to read (freeze clock) */
+
+#define MK48T02_CLKSZ		2048
+#define MK48T02_CLKOFF		0x7f0
+
+#define MK48T08_CLKSZ		8192
+#define MK48T08_CLKOFF		0x1ff0
+
+#define MK48T59_CLKSZ		8192
+#define MK48T59_CLKOFF		0x1ff0
+
+/* Chip attach function */
+int mk48txx_attach(device_t, bus_space_tag_t, bus_space_handle_t, const char *,
+    int);
+
+/* Retrieve size of the on-chip NVRAM area */
+int mk48txx_get_nvram_size(device_t, bus_size_t *);
+
+/* Methods for the clock interface. */
+int mk48txx_gettime(device_t, struct timespec *);
+int mk48txx_settime(device_t, struct timespec *);