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Annotation of qemu/roms/SLOF/board-js2x/include/nvramlog.h, revision 1.1

1.1     ! root        1: /******************************************************************************
        !             2:  * Copyright (c) 2004, 2008 IBM Corporation
        !             3:  * All rights reserved.
        !             4:  * This program and the accompanying materials
        !             5:  * are made available under the terms of the BSD License
        !             6:  * which accompanies this distribution, and is available at
        !             7:  * http://www.opensource.org/licenses/bsd-license.php
        !             8:  *
        !             9:  * Contributors:
        !            10:  *     IBM Corporation - initial implementation
        !            11:  *****************************************************************************/
        !            12: 
        !            13: #ifndef NVRAMLOG_H
        !            14:        #define NVRAMLOG_H
        !            15: 
        !            16: /* ----------------------------------------------------------------------------
        !            17:  *     NVRAM Log-Partition header design:
        !            18:  *
        !            19:  *     Partition Header
        !            20:  *     00h     - signature     ( 1 byte)
        !            21:  *     01h     - checksum      ( 1 byte)
        !            22:  *     02h     - length        ( 2 byte) value = 1st_byte*256 + 2nd_byte
        !            23:  *     04h     - name          (12 byte)
        !            24:  *     space for partiton header = 16 byte
        !            25:  *
        !            26:  *     Log Header
        !            27:  *     10h     - offset        ( 2 byte) from Partition Header to Data Section
        !            28:  *     12h     - flags         ( 2 byte) control flags
        !            29:  *     14h     - pointer       ( 4 byte) pointer to first free byte in Data Section
        !            30:  *                                       relative to the beginning of the data section
        !            31:  *     18h     - zero          ( 32 byte) reserved as stack for four  64 bit register
        !            32:  *     38h - reserved          (  8 byte) reserved for 64 bit CRC (not implemented yet)
        !            33:  *     space for header = 64 byte
        !            34:  *     Data Section
        !            35:  *     40h     - cyclic data
        !            36:  * -------------------------------------------------------------------------------- */
        !            37: 
        !            38:        // initial values
        !            39:        #define LLFW_LOG_BE0_SIGNATURE          0x51                    // signature for general firmware usage
        !            40:        #define LLFW_LOG_BE0_NAME_PREFIX        0x69626D2C              // first 4 bytes of name: "ibm,"
        !            41:        #define LLFW_LOG_BE0_NAME               0x435055306C6F6700      // remaining 8 bytes    : "CPU0log\0"
        !            42:        #define LLFW_LOG_BE0_LENGTH             0x2000                  // Partition length in block of 16 bytes
        !            43:        #define LLFW_LOG_BE0_DATA_OFFSET        0x40                    // offset in bytes between header and data
        !            44:        #define LLFW_LOG_BE0_FLAGS              0                       // unused
        !            45: 
        !            46:        #define LLFW_LOG_BE1_SIGNATURE          0x51                    // signature for general firmware usage
        !            47:        #define LLFW_LOG_BE1_NAME_PREFIX        0x69626D2C              // first 4 bytes of name: "ibm,"
        !            48:        #define LLFW_LOG_BE1_NAME               0x435055316C6F6700      // remaining 8 bytes    : "CPU1log\0\0"
        !            49:        #define LLFW_LOG_BE1_LENGTH             0x500                   // Partition length in block of 16 bytes
        !            50:        #define LLFW_LOG_BE1_DATA_OFFSET        0x40                    // offset in bytes between header and data
        !            51:        #define LLFW_LOG_BE1_FLAGS              0x0                     // unused
        !            52: 
        !            53:        // positions of the initial values
        !            54:        #define LLFW_LOG_POS_CHECKSUM   0x01                    // 1
        !            55:        #define LLFW_LOG_POS_LENGTH     0x02                    // 2
        !            56:        #define LLFW_LOG_POS_NAME       0x04                    // 4
        !            57:        #define LLFW_LOG_POS_DATA_OFFSET 0x10                   // 16
        !            58:        #define LLFW_LOG_POS_FLAGS      0x12                    // 18
        !            59:        #define LLFW_LOG_POS_POINTER    0x14                    // 20
        !            60: 
        !            61:        // NVRAM info
        !            62:        #define MAMBO_NVRAM_BASE        0x100000                // NVRAM Base for MAMBO
        !            63:        #define NVRAM_EMPTY_PATTERN     0x0000000000000000      // Pattern (64-bit) used to overwrite NVRAM
        !            64: 
        !            65: #endif

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