2 * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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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.
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32 #ifndef _BHND_NVRAM_BHND_NVRAM_H_
33 #define _BHND_NVRAM_BHND_NVRAM_H_
36 #include <sys/types.h>
43 * BHND NVRAM boolean type; guaranteed to be exactly 8-bits, representing
44 * true as integer constant 1, and false as integer constant 0.
46 * Compatible with stdbool constants (true, false).
48 typedef uint8_t bhnd_nvram_bool_t;
51 * NVRAM data sources supported by bhnd(4) devices.
54 BHND_NVRAM_SRC_OTP, /**< On-chip one-time-programmable
57 BHND_NVRAM_SRC_FLASH, /**< External flash */
58 BHND_NVRAM_SRC_SPROM, /**< External serial EEPROM. */
60 BHND_NVRAM_SRC_UNKNOWN /**< No NVRAM source is directly
63 * This will be returned by ChipCommon
64 * revisions (rev <= 31) used in early
65 * chipsets that vend SPROM/OTP via the
66 * native host bridge interface.
68 * For example, PCMCIA cards may vend
69 * Broadcom NVRAM data via their standard CIS
70 * table, and earlier PCI(e) devices map
71 * SPROM statically into PCI BARs, and the
72 * control registers into PCI config space.
74 * This will also be returned on later
75 * devices that are attached via PCI(e) to
76 * BHND SoCs, but do not include an attached
77 * SPROM, or programmed OTP. On such SoCs,
78 * NVRAM configuration for individual devices
79 * is provided by a common platform NVRAM
89 * All primitive (non-array) constants should be representable as a 4-bit
90 * integer (e.g. 0-15) to support SPROM_OPCODE_TYPE_IMM encoding as used by
94 BHND_NVRAM_TYPE_UINT8 = 0, /**< unsigned 8-bit integer */
95 BHND_NVRAM_TYPE_UINT16 = 1, /**< unsigned 16-bit integer */
96 BHND_NVRAM_TYPE_UINT32 = 2, /**< unsigned 32-bit integer */
97 BHND_NVRAM_TYPE_UINT64 = 3, /**< signed 64-bit integer */
98 BHND_NVRAM_TYPE_INT8 = 4, /**< signed 8-bit integer */
99 BHND_NVRAM_TYPE_INT16 = 5, /**< signed 16-bit integer */
100 BHND_NVRAM_TYPE_INT32 = 6, /**< signed 32-bit integer */
101 BHND_NVRAM_TYPE_INT64 = 7, /**< signed 64-bit integer */
102 BHND_NVRAM_TYPE_CHAR = 8, /**< ASCII/UTF-8 character */
103 BHND_NVRAM_TYPE_STRING = 9, /**< ASCII/UTF-8 NUL-terminated
105 BHND_NVRAM_TYPE_BOOL = 10, /**< uint8 boolean value. see
106 bhnd_nvram_bool_t. */
107 BHND_NVRAM_TYPE_NULL = 11, /**< NULL (empty) value */
108 BHND_NVRAM_TYPE_DATA = 12, /**< opaque octet string */
110 /* 10-15 reserved for primitive (non-array) types */
112 BHND_NVRAM_TYPE_UINT8_ARRAY = 16, /**< array of uint8 integers */
113 BHND_NVRAM_TYPE_UINT16_ARRAY = 17, /**< array of uint16 integers */
114 BHND_NVRAM_TYPE_UINT32_ARRAY = 18, /**< array of uint32 integers */
115 BHND_NVRAM_TYPE_UINT64_ARRAY = 19, /**< array of uint64 integers */
116 BHND_NVRAM_TYPE_INT8_ARRAY = 20, /**< array of int8 integers */
117 BHND_NVRAM_TYPE_INT16_ARRAY = 21, /**< array of int16 integers */
118 BHND_NVRAM_TYPE_INT32_ARRAY = 22, /**< array of int32 integers */
119 BHND_NVRAM_TYPE_INT64_ARRAY = 23, /**< array of int64 integers */
120 BHND_NVRAM_TYPE_CHAR_ARRAY = 24, /**< array of ASCII/UTF-8
122 BHND_NVRAM_TYPE_STRING_ARRAY = 25, /**< array of ASCII/UTF-8
123 NUL-terminated strings */
124 BHND_NVRAM_TYPE_BOOL_ARRAY = 26, /**< array of uint8 boolean
129 bool bhnd_nvram_is_signed_type(bhnd_nvram_type type);
130 bool bhnd_nvram_is_unsigned_type(bhnd_nvram_type type);
131 bool bhnd_nvram_is_int_type(bhnd_nvram_type type);
132 bool bhnd_nvram_is_array_type(bhnd_nvram_type type);
133 bhnd_nvram_type bhnd_nvram_base_type(bhnd_nvram_type type);
134 bhnd_nvram_type bhnd_nvram_raw_type(bhnd_nvram_type type);
135 const char *bhnd_nvram_type_name(bhnd_nvram_type type);
136 size_t bhnd_nvram_type_width(bhnd_nvram_type type);
137 size_t bhnd_nvram_type_host_align(bhnd_nvram_type type);
139 const char *bhnd_nvram_string_array_next(const char *inp, size_t ilen,
140 const char *prev, size_t *olen);
142 #endif /* _BHND_NVRAM_BHND_NVRAM_H_ */