1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 29 */ 30 31 #ifndef _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ 32 #define _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ 33 34 #define NVRAM_SIZE 0x2000 35 36 #define CORE99_SIGNATURE 0x5a 37 38 #define SM_FLASH_CMD_ERASE_CONFIRM 0xd0 39 #define SM_FLASH_CMD_ERASE_SETUP 0x20 40 #define SM_FLASH_CMD_RESET 0xff 41 #define SM_FLASH_CMD_WRITE_SETUP 0x40 42 #define SM_FLASH_CMD_CLEAR_STATUS 0x50 43 #define SM_FLASH_CMD_READ_STATUS 0x70 44 45 #define SM_FLASH_STATUS_DONE 0x80 46 #define SM_FLASH_STATUS_ERR 0x38 47 48 #ifdef _KERNEL 49 50 struct powermac_nvram_softc { 51 device_t sc_dev; 52 struct sx sc_lock; 53 phandle_t sc_node; 54 void * sc_bank; 55 void * sc_bank0; 56 void * sc_bank1; 57 uint8_t sc_data[NVRAM_SIZE]; 58 59 struct cdev * sc_cdev; 60 int sc_type; 61 #define FLASH_TYPE_SM 0 62 #define FLASH_TYPE_AMD 1 63 int sc_isopen; 64 int sc_rpos; 65 int sc_wpos; 66 }; 67 68 #endif /* _KERNEL */ 69 70 struct chrp_header { 71 uint8_t signature; 72 uint8_t chrp_checksum; 73 uint16_t length; 74 char name[12]; 75 }; 76 77 struct core99_header { 78 struct chrp_header chrp_header; 79 uint32_t adler_checksum; 80 uint32_t generation; 81 uint32_t reserved[2]; 82 }; 83 84 #endif /* _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ */ 85