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diff --git a/bsps/include/libchip/mc146818a.h b/bsps/include/libchip/mc146818a.h
new file mode 100644
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+++ b/bsps/include/libchip/mc146818a.h
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+/*
+ *  This file contains the definitions for the following real-time clocks:
+ *
+ *    + Motorola MC146818A
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef __LIBCHIP_MC146818A_h
+#define __LIBCHIP_MC146818A_h
+
+/*
+ *  Register addresses within chip
+ */
+#define MC146818A_SEC         0x00    /* seconds */
+#define MC146818A_SECALRM     0x01    /* seconds alarm */
+#define MC146818A_MIN         0x02    /* minutes */
+#define MC146818A_MINALRM     0x03    /* minutes alarm */
+#define MC146818A_HRS         0x04    /* hours */
+#define MC146818A_HRSALRM     0x05    /* hours alarm */
+#define MC146818A_WDAY        0x06    /* week day */
+#define MC146818A_DAY         0x07    /* day of month */
+#define MC146818A_MONTH       0x08    /* month of year */
+#define MC146818A_YEAR        0x09    /* month of year */
+
+#define MC146818A_STATUSA     0x0a    /* status register A */
+#define  MC146818ASA_TUP       0x80   /* time update in progress */
+#define  MC146818ASA_DIVIDER   0x20   /* divider for 32768 crystal */
+#define  MC146818ASA_1024      0x06   /* divide to 1024 Hz */
+
+#define MC146818A_STATUSB     0x0b    /* status register B */
+#define  MC146818ASB_DST       0x01   /* Daylight Savings Time */
+#define  MC146818ASB_24HR      0x02   /* 0 = 12 hours, 1 = 24 hours */
+#define  MC146818ASB_HALT      0x80   /* stop clock updates */
+
+#define MC146818A_STATUSD     0x0d    /* status register D */
+#define  MC146818ASD_PWR       0x80   /* clock lost power */
+
+
+/*
+ *  Driver function table
+ */
+extern rtc_fns mc146818a_fns;
+bool mc146818a_probe(
+  int minor
+);
+
+/*
+ * Default register access routines
+ */
+uint32_t mc146818a_get_register(
+  uintptr_t  ulCtrlPort,
+  uint8_t    ucRegNum
+);
+
+void  mc146818a_set_register(
+  uintptr_t  ulCtrlPort,
+  uint8_t    ucRegNum,
+  uint32_t   ucData
+);
+
+#endif
+/* end of include file */