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Annotation of qemu/roms/SLOF/board-js2x/include/nvramlog.h, revision 1.1.1.1

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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