1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* ifdtool - dump Intel Firmware Descriptor information
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdint.h>
#define IFDTOOL_VERSION "1.2"
enum ifd_version {
IFD_VERSION_1,
IFD_VERSION_2,
};
enum platform {
PLATFORM_APOLLOLAKE
};
#define LAYOUT_LINELEN 80
enum spi_frequency {
SPI_FREQUENCY_20MHZ = 0,
SPI_FREQUENCY_33MHZ = 1,
SPI_FREQUENCY_48MHZ = 2,
SPI_FREQUENCY_50MHZ_30MHZ = 4,
SPI_FREQUENCY_17MHZ = 6,
};
enum component_density {
COMPONENT_DENSITY_512KB = 0,
COMPONENT_DENSITY_1MB = 1,
COMPONENT_DENSITY_2MB = 2,
COMPONENT_DENSITY_4MB = 3,
COMPONENT_DENSITY_8MB = 4,
COMPONENT_DENSITY_16MB = 5,
COMPONENT_DENSITY_32MB = 6,
COMPONENT_DENSITY_64MB = 7,
COMPONENT_DENSITY_UNUSED = 0xf
};
// flash descriptor
typedef struct {
uint32_t flvalsig;
uint32_t flmap0;
uint32_t flmap1;
uint32_t flmap2;
uint8_t reserved[0xefc - 0x20];
uint32_t flumap1;
} __attribute__((packed)) fdbar_t;
// regions
#define MAX_REGIONS 9
#define MAX_REGIONS_OLD 5
typedef struct {
uint32_t flreg0;
uint32_t flreg1;
uint32_t flreg2;
uint32_t flreg3;
uint32_t flreg4;
uint32_t flreg5;
uint32_t flreg6;
uint32_t flreg7;
uint32_t flreg8;
} __attribute__((packed)) frba_t;
// component section
typedef struct {
uint32_t flcomp;
uint32_t flill;
uint32_t flpb;
} __attribute__((packed)) fcba_t;
// pch strap
typedef struct {
uint32_t pchstrp0;
uint32_t pchstrp1;
uint32_t pchstrp2;
uint32_t pchstrp3;
uint32_t pchstrp4;
uint32_t pchstrp5;
uint32_t pchstrp6;
uint32_t pchstrp7;
uint32_t pchstrp8;
uint32_t pchstrp9;
uint32_t pchstrp10;
uint32_t pchstrp11;
uint32_t pchstrp12;
uint32_t pchstrp13;
uint32_t pchstrp14;
uint32_t pchstrp15;
uint32_t pchstrp16;
uint32_t pchstrp17;
} __attribute__((packed)) fpsba_t;
/*
* WR / RD bits start at different locations within the flmstr regs, but
* otherwise have identical meaning.
*/
#define FLMSTR_WR_SHIFT_V1 24
#define FLMSTR_WR_SHIFT_V2 20
#define FLMSTR_RD_SHIFT_V1 16
#define FLMSTR_RD_SHIFT_V2 8
// master
typedef struct {
uint32_t flmstr1;
uint32_t flmstr2;
uint32_t flmstr3;
uint32_t flmstr4;
uint32_t flmstr5;
} __attribute__((packed)) fmba_t;
// processor strap
typedef struct {
uint32_t data[8];
} __attribute__((packed)) fmsba_t;
// ME VSCC
typedef struct {
uint32_t jid;
uint32_t vscc;
} vscc_t;
typedef struct {
// Actual number of entries specified in vtl
vscc_t entry[8];
} vtba_t;
typedef struct {
int base, limit, size;
} region_t;
struct region_name {
char *pretty;
char *terse;
};
|
