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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2006 Maxim Sobolev <sobomax@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_
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#define _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_
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#define NVRAM_SIZE 0x2000
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#define CORE99_SIGNATURE 0x5a
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#define SM_FLASH_CMD_ERASE_CONFIRM 0xd0
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#define SM_FLASH_CMD_ERASE_SETUP 0x20
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#define SM_FLASH_CMD_RESET 0xff
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#define SM_FLASH_CMD_WRITE_SETUP 0x40
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#define SM_FLASH_CMD_CLEAR_STATUS 0x50
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#define SM_FLASH_CMD_READ_STATUS 0x70
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#define SM_FLASH_STATUS_DONE 0x80
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#define SM_FLASH_STATUS_ERR 0x38
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#ifdef _KERNEL
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struct powermac_nvram_softc {
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device_t sc_dev;
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struct sx sc_lock;
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phandle_t sc_node;
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void * sc_bank;
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void * sc_bank0;
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void * sc_bank1;
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uint8_t sc_data[NVRAM_SIZE];
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struct cdev * sc_cdev;
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int sc_type;
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#define FLASH_TYPE_SM 0
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#define FLASH_TYPE_AMD 1
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int sc_isopen;
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int sc_rpos;
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int sc_wpos;
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};
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#endif /* _KERNEL */
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struct chrp_header {
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uint8_t signature;
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uint8_t chrp_checksum;
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uint16_t length;
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char name[12];
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};
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struct core99_header {
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struct chrp_header chrp_header;
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uint32_t adler_checksum;
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uint32_t generation;
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uint32_t reserved[2];
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};
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#endif /* _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ */
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