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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2009
4  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
5  */
6
7 #ifndef _IMXIMAGE_H_
8 #define _IMXIMAGE_H_
9
10 #define MAX_HW_CFG_SIZE_V2 220 /* Max number of registers imx can set for v2 */
11 #define MAX_PLUGIN_CODE_SIZE (64 * 1024)
12 #define MAX_HW_CFG_SIZE_V1 60  /* Max number of registers imx can set for v1 */
13 #define APP_CODE_BARKER 0xB1
14 #define DCD_BARKER      0xB17219E9
15
16 /* Specify the offset of the IVT in the IMX header as expected by BootROM */
17 #define BOOTROM_IVT_HDR_OFFSET  0xC00
18
19 /*
20  * NOTE: This file must be kept in sync with arch/arm/include/asm/\
21  *       mach-imx/imximage.cfg because tools/imximage.c can not
22  *       cross-include headers from arch/arm/ and vice-versa.
23  */
24 #define CMD_DATA_STR    "DATA"
25
26 /* Initial Vector Table Offset */
27 #define FLASH_OFFSET_UNDEFINED  0xFFFFFFFF
28 #define FLASH_OFFSET_STANDARD   0x400
29 #define FLASH_OFFSET_NAND       FLASH_OFFSET_STANDARD
30 #define FLASH_OFFSET_SD         FLASH_OFFSET_STANDARD
31 #define FLASH_OFFSET_SPI        FLASH_OFFSET_STANDARD
32 #define FLASH_OFFSET_ONENAND    0x100
33 #define FLASH_OFFSET_NOR        0x1000
34 #define FLASH_OFFSET_SATA       FLASH_OFFSET_STANDARD
35 #define FLASH_OFFSET_QSPI       0x1000
36
37 /* Initial Load Region Size */
38 #define FLASH_LOADSIZE_UNDEFINED        0xFFFFFFFF
39 #define FLASH_LOADSIZE_STANDARD         0x1000
40 #define FLASH_LOADSIZE_NAND             FLASH_LOADSIZE_STANDARD
41 #define FLASH_LOADSIZE_SD               FLASH_LOADSIZE_STANDARD
42 #define FLASH_LOADSIZE_SPI              FLASH_LOADSIZE_STANDARD
43 #define FLASH_LOADSIZE_ONENAND          0x400
44 #define FLASH_LOADSIZE_NOR              0x0 /* entire image */
45 #define FLASH_LOADSIZE_SATA             FLASH_LOADSIZE_STANDARD
46 #define FLASH_LOADSIZE_QSPI             0x0 /* entire image */
47
48 /* Command tags and parameters */
49 #define IVT_HEADER_TAG                  0xD1
50 #define IVT_VERSION                     0x40
51 #define DCD_HEADER_TAG                  0xD2
52 #define DCD_VERSION                     0x40
53 #define DCD_WRITE_DATA_COMMAND_TAG      0xCC
54 #define DCD_WRITE_DATA_PARAM            0x4
55 #define DCD_WRITE_CLR_BIT_PARAM         0xC
56 #define DCD_WRITE_SET_BIT_PARAM         0x1C
57 #define DCD_CHECK_DATA_COMMAND_TAG      0xCF
58 #define DCD_CHECK_BITS_SET_PARAM        0x14
59 #define DCD_CHECK_BITS_CLR_PARAM        0x04
60
61 #ifndef __ASSEMBLY__
62 enum imximage_cmd {
63         CMD_INVALID,
64         CMD_IMAGE_VERSION,
65         CMD_BOOT_FROM,
66         CMD_BOOT_OFFSET,
67         CMD_WRITE_DATA,
68         CMD_WRITE_CLR_BIT,
69         CMD_WRITE_SET_BIT,
70         CMD_CHECK_BITS_SET,
71         CMD_CHECK_BITS_CLR,
72         CMD_CSF,
73         CMD_PLUGIN,
74 };
75
76 enum imximage_fld_types {
77         CFG_INVALID = -1,
78         CFG_COMMAND,
79         CFG_REG_SIZE,
80         CFG_REG_ADDRESS,
81         CFG_REG_VALUE
82 };
83
84 enum imximage_version {
85         IMXIMAGE_VER_INVALID = -1,
86         IMXIMAGE_V1 = 1,
87         IMXIMAGE_V2
88 };
89
90 typedef struct {
91         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
92         uint32_t addr; /* Address to write to */
93         uint32_t value; /* Data to write */
94 } dcd_type_addr_data_t;
95
96 typedef struct {
97         uint32_t barker; /* Barker for sanity check */
98         uint32_t length; /* Device configuration length (without preamble) */
99 } dcd_preamble_t;
100
101 typedef struct {
102         dcd_preamble_t preamble;
103         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
104 } dcd_v1_t;
105
106 typedef struct {
107         uint32_t app_code_jump_vector;
108         uint32_t app_code_barker;
109         uint32_t app_code_csf;
110         uint32_t dcd_ptr_ptr;
111         uint32_t super_root_key;
112         uint32_t dcd_ptr;
113         uint32_t app_dest_ptr;
114 } flash_header_v1_t;
115
116 typedef struct {
117         uint32_t length;        /* Length of data to be read from flash */
118 } flash_cfg_parms_t;
119
120 typedef struct {
121         flash_header_v1_t fhdr;
122         dcd_v1_t dcd_table;
123         flash_cfg_parms_t ext_header;
124 } imx_header_v1_t;
125
126 typedef struct {
127         uint32_t addr;
128         uint32_t value;
129 } dcd_addr_data_t;
130
131 typedef struct {
132         uint8_t tag;
133         uint16_t length;
134         uint8_t version;
135 } __attribute__((packed)) ivt_header_t;
136
137 typedef struct {
138         uint8_t tag;
139         uint16_t length;
140         uint8_t param;
141 } __attribute__((packed)) write_dcd_command_t;
142
143 struct dcd_v2_cmd {
144         write_dcd_command_t write_dcd_command;
145         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
146 };
147
148 typedef struct {
149         ivt_header_t header;
150         struct dcd_v2_cmd dcd_cmd;
151         uint32_t padding[1]; /* end up on an 8-byte boundary */
152 } dcd_v2_t;
153
154 typedef struct {
155         uint32_t start;
156         uint32_t size;
157         uint32_t plugin;
158 } boot_data_t;
159
160 typedef struct {
161         ivt_header_t header;
162         uint32_t entry;
163         uint32_t reserved1;
164         uint32_t dcd_ptr;
165         uint32_t boot_data_ptr;
166         uint32_t self;
167         uint32_t csf;
168         uint32_t reserved2;
169 } flash_header_v2_t;
170
171 typedef struct {
172         flash_header_v2_t fhdr;
173         boot_data_t boot_data;
174         union {
175                 dcd_v2_t dcd_table;
176                 char plugin_code[MAX_PLUGIN_CODE_SIZE];
177         } data;
178 } imx_header_v2_t;
179
180 /* The header must be aligned to 4k on MX53 for NAND boot */
181 struct imx_header {
182         union {
183                 imx_header_v1_t hdr_v1;
184                 imx_header_v2_t hdr_v2;
185         } header;
186 };
187
188 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
189                                         char *name, int lineno,
190                                         int fld, uint32_t value,
191                                         uint32_t off);
192
193 typedef void (*set_dcd_param_t)(struct imx_header *imxhdr, uint32_t dcd_len,
194                                         int32_t cmd);
195
196 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
197                                         uint32_t dcd_len,
198                                         char *name, int lineno);
199
200 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
201                 uint32_t entry_point, uint32_t flash_offset);
202
203 #endif /* __ASSEMBLY__ */
204 #endif /* _IMXIMAGE_H_ */