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/*
* TRX image file header format.
*
* Copyright (C) 1999-2012, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: trxhdr.h 349211 2012-08-07 09:45:24Z $
*/
#ifndef _TRX_HDR_H
#define _TRX_HDR_H
#include <typedefs.h>
#define TRX_MAGIC 0x30524448 /* "HDR0" */
#define TRX_MAX_LEN 0x3B0000 /* Max length */
#define TRX_NO_HEADER 1 /* Do not write TRX header */
#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
#define TRX_EMBED_UCODE 0x8 /* Trx contains embedded ucode image */
#define TRX_ROMSIM_IMAGE 0x10 /* Trx contains ROM simulation image */
#define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed rtecdc.bin image */
#define TRX_BOOTLOADER 0x40 /* the image is a bootloader */
#define TRX_V1 1
#define TRX_V1_MAX_OFFSETS 3 /* V1: Max number of individual files */
#ifndef BCMTRXV2
#define TRX_VERSION TRX_V1 /* Version 1 */
#define TRX_MAX_OFFSET TRX_V1_MAX_OFFSETS
#endif
/* BMAC Host driver/application like bcmdl need to support both Ver 1 as well as
* Ver 2 of trx header. To make it generic, trx_header is structure is modified
* as below where size of "offsets" field will vary as per the TRX version.
* Currently, BMAC host driver and bcmdl are modified to support TRXV2 as well.
* To make sure, other applications like "dhdl" which are yet to be enhanced to support
* TRXV2 are not broken, new macro and structure defintion take effect only when BCMTRXV2
* is defined.
*/
struct trx_header {
uint32 magic; /* "HDR0" */
uint32 len; /* Length of file including header */
uint32 crc32; /* 32-bit CRC from flag_version to end of file */
uint32 flag_version; /* 0:15 flags, 16:31 version */
#ifndef BCMTRXV2
uint32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
#else
uint32 offsets[1]; /* Offsets of partitions from start of header */
#endif
};
#ifdef BCMTRXV2
#define TRX_VERSION TRX_V2 /* Version 2 */
#define TRX_MAX_OFFSET TRX_V2_MAX_OFFSETS
#define TRX_V2 2
/* V2: Max number of individual files
* To support SDR signature + Config data region
*/
#define TRX_V2_MAX_OFFSETS 5
#define SIZEOF_TRXHDR_V1 (sizeof(struct trx_header)+(TRX_V1_MAX_OFFSETS-1)*sizeof(uint32))
#define SIZEOF_TRXHDR_V2 (sizeof(struct trx_header)+(TRX_V2_MAX_OFFSETS-1)*sizeof(uint32))
#define TRX_VER(trx) (trx->flag_version>>16)
#define ISTRX_V1(trx) (TRX_VER(trx) == TRX_V1)
#define ISTRX_V2(trx) (TRX_VER(trx) == TRX_V2)
/* For V2, return size of V2 size: others, return V1 size */
#define SIZEOF_TRX(trx) (ISTRX_V2(trx) ? SIZEOF_TRXHDR_V2: SIZEOF_TRXHDR_V1)
#else
#define SIZEOF_TRX(trx) (sizeof(struct trx_header))
#endif /* BCMTRXV2 */
/* Compatibility */
typedef struct trx_header TRXHDR, *PTRXHDR;
#endif /* _TRX_HDR_H */
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