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/*

 *  This file contains the NvRAM driver definitions for the PPCn_60x

 *

 *  COPYRIGHT (c) 1998 by Radstone Technology

 *

 *

 * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY

 * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK

 * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU.

 *

 * You are hereby granted permission to use, copy, modify, and distribute

 * this file, provided that this notice, plus the above copyright notice

 * and disclaimer, appears in all copies. Radstone Technology will provide

 * no support for this code.

 *

 */

#ifndef _NVRAM_H

#define _NVRAM_H

#ifdef __cplusplus

extern "C" {

#endif

/*

 *  This initializes the NvRAM driver

 */

void InitializeNvRAM(void);

/*

 * These routines access data in the NvRAM's OS area

 */

extern rtems_status_code ReadNvRAM8(unsigned32 ulOffset, unsigned8 *pucData);

extern rtems_status_code WriteNvRAM8(unsigned32 ulOffset, unsigned8 ucValue);

extern rtems_status_code ReadNvRAM16(unsigned32 ulOffset, unsigned16 *pusData);

extern rtems_status_code WriteNvRAM16(unsigned32 ulOffset, unsigned16 usValue);

extern rtems_status_code ReadNvRAM32(unsigned32 ulOffset, unsigned32 *pulData);

extern rtems_status_code WriteNvRAM32(unsigned32 ulOffset, unsigned32 ulValue);

rtems_status_code ReadNvRAMBlock(

  unsigned32 ulOffset, unsigned8 *pucData, unsigned32 length);

rtems_status_code WriteNvRAMBlock(

  unsigned32 ulOffset, unsigned8 *ucValue, unsigned32 length);

/*

 * This routine returns the size of the NvRAM

 */

extern unsigned32 SizeNvRAM();

/*

 * This routine commits changes to the NvRAM

 */

extern void CommitNvRAM();

#ifdef __cplusplus

}

#endif

#endif /* _NVRAM_H */