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 #ifdef _KERNEL 37 38 struct powermac_nvram_softc { 39 device_t sc_dev; 40 phandle_t sc_node; 41 vm_offset_t sc_bank; 42 vm_offset_t sc_bank0; 43 vm_offset_t sc_bank1; 44 uint8_t sc_data[NVRAM_SIZE]; 45 46 struct cdev * sc_cdev; 47 int sc_isopen; 48 int sc_rpos; 49 int sc_wpos; 50 }; 51 52 #endif /* _KERNEL */ 53 54 struct chrp_header { 55 uint8_t signature; 56 uint8_t chrp_checksum; 57 uint16_t length; 58 char name[12]; 59 }; 60 61 struct core99_header { 62 struct chrp_header chrp_header; 63 uint32_t adler_checksum; 64 uint32_t generation; 65 uint32_t reserved[2]; 66 }; 67 68 #endif /* _POWERPC_POWERMAC_POWERMAC_NVRAMVAR_H_ */ 69