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 * $FreeBSD$ 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_ */ 82