powermac_nvramvar.h (2499B) - Raw
1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006 Maxim Sobolev <sobomax@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 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 struct sx sc_lock; 51 phandle_t sc_node; 52 void * sc_bank; 53 void * sc_bank0; 54 void * sc_bank1; 55 uint8_t sc_data[NVRAM_SIZE]; 56 57 struct cdev * sc_cdev; 58 int sc_type; 59 #define FLASH_TYPE_SM 0 60 #define FLASH_TYPE_AMD 1 61 int sc_isopen; 62 int sc_rpos; 63 int sc_wpos; 64 }; 65 66 #endif /* _KERNEL */ 67 68 struct chrp_header { 69 uint8_t signature; 70 uint8_t chrp_checksum; 71 uint16_t length; 72 char name[12]; 73 }; 74 75 struct core99_header { 76 struct chrp_header chrp_header; 77 uint32_t adler_checksum; 78 uint32_t generation; 79 uint32_t reserved[2]; 80 }; 81 82 #endif /* _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ */