2 * Copyright (c) 2015-2016 Landon Fuller <landonf@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 * redistribution must be conditioned upon including a substantially
14 * similar Disclaimer requirement for further binary redistribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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32 #ifndef _BHND_NVRAM_BHND_NVRAM_BCMVAR_H_
33 #define _BHND_NVRAM_BHND_NVRAM_BCMVAR_H_
35 #define BCM_NVRAM_ENCODE_OPT_VERSION "bcm_version"
38 * BCM NVRAM header value data.
40 union bhnd_nvram_bcm_hvar_value {
46 * Internal representation of BCM NVRAM values that mirror (and must be
47 * vended as) NVRAM variables.
49 struct bhnd_nvram_bcm_hvar {
50 const char *name; /**< variable name */
51 bhnd_nvram_type type; /**< value type */
52 size_t nelem; /**< value element count */
53 size_t len; /**< value length */
54 const char *envp; /**< Pointer to the NVRAM variable mirroring
55 this header value, or NULL. */
56 bool stale; /**< header value does not match
57 mirrored NVRAM value */
60 union bhnd_nvram_bcm_hvar_value value;
63 /** BCM NVRAM header */
64 struct bhnd_nvram_bcmhdr {
67 uint32_t cfg0; /**< crc:8, version:8, sdram_init:16 */
68 uint32_t cfg1; /**< sdram_config:16, sdram_refresh:16 */
69 uint32_t sdram_ncdl; /**< sdram_ncdl */
72 #endif /* _BHND_NVRAM_BHND_NVRAM_BCMVAR_H_ */