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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(uint32_t ulOffset, uint8_t *pucData);
extern rtems_status_code WriteNvRAM8(uint32_t ulOffset, uint8_t ucValue);
extern rtems_status_code ReadNvRAM16(uint32_t ulOffset, uint16_t *pusData);
extern rtems_status_code WriteNvRAM16(uint32_t ulOffset, uint16_t usValue);
extern rtems_status_code ReadNvRAM32(uint32_t ulOffset, uint32_t *pulData);
extern rtems_status_code WriteNvRAM32(uint32_t ulOffset, uint32_t ulValue);
rtems_status_code ReadNvRAMBlock(
uint32_t ulOffset, uint8_t *pucData, uint32_t length);
rtems_status_code WriteNvRAMBlock(
uint32_t ulOffset, uint8_t *ucValue, uint32_t length);
/*
* This routine returns the size of the NvRAM
*/
extern uint32_t SizeNvRAM();
/*
* This routine commits changes to the NvRAM
*/
extern void CommitNvRAM();
#ifdef __cplusplus
}
#endif
#endif /* _NVRAM_H */
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