forked from Imagelibrary/rtems
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* This file contains the NvRAM driver definitions for the PPCn_60x
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*
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* COPYRIGHT (c) 1998 by Radstone Technology
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*
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*
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* THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY
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* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK
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* AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU.
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*
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* You are hereby granted permission to use, copy, modify, and distribute
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* this file, provided that this notice, plus the above copyright notice
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* and disclaimer, appears in all copies. Radstone Technology will provide
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* no support for this code.
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*
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*/
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#ifndef _NVRAM_H
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#define _NVRAM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* This initializes the NvRAM driver
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*/
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void InitializeNvRAM(void);
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/*
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* These routines access data in the NvRAM's OS area
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*/
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extern rtems_status_code ReadNvRAM8(uint32_t ulOffset, uint8_t *pucData);
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extern rtems_status_code WriteNvRAM8(uint32_t ulOffset, uint8_t ucValue);
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extern rtems_status_code ReadNvRAM16(uint32_t ulOffset, uint16_t *pusData);
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extern rtems_status_code WriteNvRAM16(uint32_t ulOffset, uint16_t usValue);
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extern rtems_status_code ReadNvRAM32(uint32_t ulOffset, uint32_t *pulData);
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extern rtems_status_code WriteNvRAM32(uint32_t ulOffset, uint32_t ulValue);
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rtems_status_code ReadNvRAMBlock(
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uint32_t ulOffset, uint8_t *pucData, uint32_t length);
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rtems_status_code WriteNvRAMBlock(
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uint32_t ulOffset, uint8_t *ucValue, uint32_t length);
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/*
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* This routine returns the size of the NvRAM
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*/
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extern uint32_t SizeNvRAM();
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/*
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* This routine commits changes to the NvRAM
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*/
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extern void CommitNvRAM();
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NVRAM_H */
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