/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* TRX image file header format.
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*
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* Copyright (C) 1999-2017, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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*
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* <<Broadcom-WL-IPTag/Open:>>
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*
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* $Id: trxhdr.h 520026 2014-12-10 01:29:40Z $
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*/
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#ifndef _TRX_HDR_H
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#define _TRX_HDR_H
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#include <typedefs.h>
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#define TRX_MAGIC 0x30524448 /* "HDR0" */
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#define TRX_MAX_LEN 0x3B0000 /* Max length */
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#define TRX_NO_HEADER 1 /* Do not write TRX header */
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#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
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#define TRX_EMBED_UCODE 0x8 /* Trx contains embedded ucode image */
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#define TRX_ROMSIM_IMAGE 0x10 /* Trx contains ROM simulation image */
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#define TRX_UNCOMP_IMAGE 0x20 /* Trx contains uncompressed rtecdc.bin image */
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#define TRX_BOOTLOADER 0x40 /* the image is a bootloader */
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#define TRX_V1 1
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#define TRX_V1_MAX_OFFSETS 3 /* V1: Max number of individual files */
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#ifndef BCMTRXV2
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#define TRX_VERSION TRX_V1 /* Version 1 */
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#define TRX_MAX_OFFSET TRX_V1_MAX_OFFSETS
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#endif
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/* BMAC Host driver/application like bcmdl need to support both Ver 1 as well as
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* Ver 2 of trx header. To make it generic, trx_header is structure is modified
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* as below where size of "offsets" field will vary as per the TRX version.
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* Currently, BMAC host driver and bcmdl are modified to support TRXV2 as well.
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* To make sure, other applications like "dhdl" which are yet to be enhanced to support
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* TRXV2 are not broken, new macro and structure defintion take effect only when BCMTRXV2
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* is defined.
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*/
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struct trx_header {
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uint32 magic; /* "HDR0" */
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uint32 len; /* Length of file including header */
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uint32 crc32; /* 32-bit CRC from flag_version to end of file */
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uint32 flag_version; /* 0:15 flags, 16:31 version */
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#ifndef BCMTRXV2
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uint32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
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#else
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uint32 offsets[1]; /* Offsets of partitions from start of header */
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#endif
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};
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#ifdef BCMTRXV2
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#define TRX_VERSION TRX_V2 /* Version 2 */
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#define TRX_MAX_OFFSET TRX_V2_MAX_OFFSETS
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#define TRX_V2 2
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/* V2: Max number of individual files
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* To support SDR signature + Config data region
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*/
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#define TRX_V2_MAX_OFFSETS 5
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#define SIZEOF_TRXHDR_V1 (sizeof(struct trx_header)+(TRX_V1_MAX_OFFSETS-1)*sizeof(uint32))
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#define SIZEOF_TRXHDR_V2 (sizeof(struct trx_header)+(TRX_V2_MAX_OFFSETS-1)*sizeof(uint32))
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#define TRX_VER(trx) ((trx)->flag_version>>16)
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#define ISTRX_V1(trx) (TRX_VER(trx) == TRX_V1)
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#define ISTRX_V2(trx) (TRX_VER(trx) == TRX_V2)
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/* For V2, return size of V2 size: others, return V1 size */
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#define SIZEOF_TRX(trx) (ISTRX_V2(trx) ? SIZEOF_TRXHDR_V2: SIZEOF_TRXHDR_V1)
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#else
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#define SIZEOF_TRX(trx) (sizeof(struct trx_header))
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#endif /* BCMTRXV2 */
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/* Compatibility */
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typedef struct trx_header TRXHDR, *PTRXHDR;
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#endif /* _TRX_HDR_H */
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