powermac_nvramvar.h

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    1 /*
    2  * Copyright (c) 2006 Maxim Sobolev <sobomax@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   17  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   18  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   22  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   23  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   24  * POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/8.4/sys/dev/powermac_nvram/powermac_nvramvar.h 212947 2010-09-21 04:29:27Z mav $
   27  */
   28 
   29 #ifndef _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_
   30 #define _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_
   31 
   32 #define NVRAM_SIZE              0x2000
   33 
   34 #define CORE99_SIGNATURE        0x5a
   35 
   36 #define SM_FLASH_CMD_ERASE_CONFIRM      0xd0
   37 #define SM_FLASH_CMD_ERASE_SETUP        0x20
   38 #define SM_FLASH_CMD_RESET              0xff
   39 #define SM_FLASH_CMD_WRITE_SETUP        0x40
   40 #define SM_FLASH_CMD_CLEAR_STATUS       0x50
   41 #define SM_FLASH_CMD_READ_STATUS        0x70
   42 
   43 #define SM_FLASH_STATUS_DONE    0x80
   44 #define SM_FLASH_STATUS_ERR     0x38
   45 
   46 #ifdef _KERNEL
   47 
   48 struct powermac_nvram_softc {
   49         device_t                sc_dev;
   50         phandle_t               sc_node;
   51         vm_offset_t             sc_bank;
   52         vm_offset_t             sc_bank0;
   53         vm_offset_t             sc_bank1;
   54         uint8_t                 sc_data[NVRAM_SIZE];
   55 
   56         struct cdev *           sc_cdev;
   57         int                     sc_type;
   58 #define FLASH_TYPE_SM   0
   59 #define FLASH_TYPE_AMD  1
   60         int                     sc_isopen;
   61         int                     sc_rpos;
   62         int                     sc_wpos;
   63 };
   64 
   65 #endif /* _KERNEL */
   66 
   67 struct chrp_header {
   68         uint8_t                 signature;
   69         uint8_t                 chrp_checksum;
   70         uint16_t                length;
   71         char                    name[12];
   72 };
   73 
   74 struct core99_header {
   75         struct chrp_header      chrp_header;
   76         uint32_t                adler_checksum;
   77         uint32_t                generation;
   78         uint32_t                reserved[2];
   79 };
   80 
   81 #endif  /* _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/powermac_nvram/powermac_nvramvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/powermac_nvram/powermac_nvramvar.h