New (CVS import Thomas Doerfler <Thomas.Doerfler@embedded-brains.de>'s

submission).

1 files changed, 158 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/gen5200/nvram/nvram.h b/c/src/lib/libbsp/powerpc/gen5200/nvram/nvram.h
new file mode 100644
index 0000000000..80c47aea25
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/gen5200/nvram/nvram.h
@@ -0,0 +1,158 @@
+/*===============================================================*\
+| Project: RTEMS generic MPC5200 BSP                              |
++-----------------------------------------------------------------+
+| File: nvram.h
++-----------------------------------------------------------------+
+| Partially based on the code references which are named below.   |
+| Adaptions, modifications, enhancements and any recent parts of  |
+| the code are:                                                   |
+|                    Copyright (c) 2005                           |
+|                    Embedded Brains GmbH                         |
+|                    Obere Lagerstr. 30                           |
+|                    D-82178 Puchheim                             |
+|                    Germany                                      |
+|                    rtems@embedded-brains.de                     |
++-----------------------------------------------------------------+
+| The license and distribution terms for this file may be         |
+| found in the file LICENSE in this distribution or at            |
+|                                                                 |
+| http://www.rtems.com/license/LICENSE.                           |
+|                                                                 |
++-----------------------------------------------------------------+
+| this file contains the nvram declarations                       |
++-----------------------------------------------------------------+
+|   date                      history                        ID   |
+| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
+| 01.12.05  creation                                         doe  |
+|*****************************************************************|
+|*CVS information:                                                |
+|*(the following information is created automatically,            |
+|*do not edit here)                                               |
+|*****************************************************************|
+|* $Log$
+|* Revision 1.3  2005/12/09 08:57:03  thomas
+|* added/modifed file headers
+|*
+ *
+|*****************************************************************|
+\*===============================================================*/
+/***********************************************************************/
+/*                                                                     */
+/*   Module:       nvram.h                                             */
+/*   Date:         07/17/2003                                          */
+/*   Purpose:      RTEMS M93C64-based header file                      */
+/*                                                                     */
+/*---------------------------------------------------------------------*/
+/*                                                                     */
+/*   Description:  M93C46 is a serial microwire EEPROM which contains  */
+/*                 1Kbit (128 bytes/64 words) of non-volatile memory.  */
+/*                 The device can be configured for byte- or word-     */
+/*                 access. The driver provides a file-like interface   */
+/*                 to this memory.                                     */
+/*                                                                     */
+/*                 MPC5x00 PIN settings:                               */
+/*                                                                     */
+/*                 PSC3_6 (output) -> MC93C46 serial data in    (D)    */
+/*                 PSC3_7 (input)  -> MC93C46 serial data out   (Q)    */
+/*                 PSC3_8 (output) -> MC93C46 chip select input (S)    */
+/*                 PSC3_9 (output) -> MC93C46 serial clock      (C)    */
+/*                                                                     */
+/*---------------------------------------------------------------------*/
+/*                                                                     */
+/*   Code                                                              */
+/*   References:   DS1307-based Non-Volatile memory device driver      */
+/*   Module:       nvram.h                                             */
+/*   Project:      RTEMS 4.6.0pre1 / MCF5206Elite BSP                  */
+/*   Version       1.1                                                 */
+/*   Date:         10/26/2001                                          */
+/*   Author:       Victor V. Vengerov                                  */
+/*   Copyright:    Copyright (C) 2000 OKTET Ltd.,St.-Petersburg,Russia */
+/*                                                                     */
+/*   The license and distribution terms for this file may be           */
+/*   found in the file LICENSE in this distribution or at              */
+/*   http://www.OARcorp.com/rtems/license.html.                        */
+/*                                                                     */
+/*---------------------------------------------------------------------*/
+/*                                                                     */
+/*   Partially based on the code references which are named above.     */
+/*   Adaptions, modifications, enhancements and any recent parts of    */
+/*   the code are under the right of                                   */
+/*                                                                     */
+/*         IPR Engineering, Dachauer Straße 38, D-80335 München        */
+/*                        Copyright(C) 2003                            */
+/*                                                                     */
+/*---------------------------------------------------------------------*/
+/*                                                                     */
+/*   IPR Engineering makes no representation or warranties with        */
+/*   respect to the performance of this computer program, and          */
+/*   specifically disclaims any responsibility for any damages,        */
+/*   special or consequential, connected with the use of this program. */
+/*                                                                     */
+/*---------------------------------------------------------------------*/
+/*                                                                     */
+/*   Version history:  1.0                                             */
+/*                                                                     */
+/***********************************************************************/
+
+#ifndef __NVRAM_H__
+#define __NVRAM_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* include "../include/bsp.h" */
+#include "../include/bsp.h"
+
+/* Macros for TBL read access */
+#define TBL_READ(count)    __asm__ volatile ("mftb %0\n" : "=r" (count) : "0" (count))
+#define TMBASE_CLOCK       (G2_CLOCK/4)
+
+/* Simple usec delay function prototype */
+void wait_usec(unsigned long);
+
+/* nvram_driver_initialize --
+ *     Non-volatile memory device driver initialization.
+ */
+rtems_device_driver
+nvram_driver_initialize(rtems_device_major_number major,
+                        rtems_device_minor_number minor,
+                        void *arg);
+
+/* nvram_driver_open --
+ *     Non-volatile memory device driver open primitive.
+ */
+rtems_device_driver
+nvram_driver_open(rtems_device_major_number major,
+                  rtems_device_minor_number minor,
+                  void *arg);
+
+/* nvram_driver_close --
+ *     Non-volatile memory device driver close primitive.
+ */
+rtems_device_driver
+nvram_driver_close(rtems_device_major_number major,
+                   rtems_device_minor_number minor,
+                   void *arg);
+
+/* nvram_driver_read --
+ *     Non-volatile memory device driver read primitive.
+ */
+rtems_device_driver
+nvram_driver_read(rtems_device_major_number major,
+                  rtems_device_minor_number minor,
+                  void *arg);
+
+/* nvram_driver_write --
+ *     Non-volatile memory device driver write primitive.
+ */
+rtems_device_driver
+nvram_driver_write(rtems_device_major_number major,
+                   rtems_device_minor_number minor,
+                   void *arg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __NVRAM_H__ */