xref: /openbmc/u-boot/tools/ifdtool.h (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * ifdtool - Manage Intel Firmware Descriptor information
4   *
5   * Copyright (C) 2011 The ChromiumOS Authors.
6   *
7   * From Coreboot project
8   */
9  
10  #include <stdint.h>
11  
12  #define __packed	__attribute__((packed))
13  
14  #define IFDTOOL_VERSION "1.1-U-Boot"
15  
16  #define WRITE_MAX	16
17  
18  enum spi_frequency {
19  	SPI_FREQUENCY_20MHZ = 0,
20  	SPI_FREQUENCY_33MHZ = 1,
21  	SPI_FREQUENCY_50MHZ = 4,
22  };
23  
24  enum component_density {
25  	COMPONENT_DENSITY_512KB = 0,
26  	COMPONENT_DENSITY_1MB   = 1,
27  	COMPONENT_DENSITY_2MB   = 2,
28  	COMPONENT_DENSITY_4MB   = 3,
29  	COMPONENT_DENSITY_8MB   = 4,
30  	COMPONENT_DENSITY_16MB  = 5,
31  };
32  
33  /* flash descriptor */
34  struct __packed fdbar_t {
35  	uint32_t flvalsig;
36  	uint32_t flmap0;
37  	uint32_t flmap1;
38  	uint32_t flmap2;
39  	uint8_t  reserved[0xefc - 0x20];
40  	uint32_t flumap1;
41  };
42  
43  #define MAX_REGIONS	5
44  
45  /* regions */
46  struct __packed frba_t {
47  	uint32_t flreg[MAX_REGIONS];
48  };
49  
50  /* component section */
51  struct __packed fcba_t {
52  	uint32_t flcomp;
53  	uint32_t flill;
54  	uint32_t flpb;
55  };
56  
57  #define MAX_STRAPS	18
58  
59  /* pch strap */
60  struct __packed fpsba_t {
61  	uint32_t pchstrp[MAX_STRAPS];
62  };
63  
64  /* master */
65  struct __packed fmba_t {
66  	uint32_t flmstr1;
67  	uint32_t flmstr2;
68  	uint32_t flmstr3;
69  };
70  
71  /* processor strap */
72  struct __packed fmsba_t {
73  	uint32_t data[8];
74  };
75  
76  /* ME VSCC */
77  struct vscc_t {
78  	uint32_t jid;
79  	uint32_t vscc;
80  };
81  
82  struct vtba_t {
83  	/* Actual number of entries specified in vtl */
84  	struct vscc_t entry[8];
85  };
86  
87  struct region_t {
88  	int base, limit, size;
89  };
90