1 /*
2  * (C) Copyright 2009
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef _IMXIMAGE_H_
25 #define _IMXIMAGE_H_
26 
27 #define MAX_HW_CFG_SIZE 60	/* Max number of registers imx can set */
28 #define MAX_EXP_SIZE	4
29 #define APP_CODE_BARKER	0xB1
30 #define DCD_BARKER	0xB17219E9
31 #define HEADER_OFFSET	0x400
32 
33 
34 #define CMD_DATA_STR	"DATA"
35 #define FLASH_OFFSET_STANDARD	0x400
36 #define FLASH_OFFSET_NAND	FLASH_OFFSET_STANDARD
37 #define FLASH_OFFSET_SD		FLASH_OFFSET_STANDARD
38 #define FLASH_OFFSET_SPI	FLASH_OFFSET_STANDARD
39 #define FLASH_OFFSET_ONENAND	0x100
40 
41 enum imximage_cmd {
42 	CMD_INVALID,
43 	CMD_BOOT_FROM,
44 	CMD_DATA
45 };
46 
47 enum imximage_fld_types {
48 	CFG_INVALID = -1,
49 	CFG_COMMAND,
50 	CFG_REG_SIZE,
51 	CFG_REG_ADDRESS,
52 	CFG_REG_VALUE
53 };
54 
55 typedef struct {
56 	uint8_t rsa_exponent[MAX_EXP_SIZE];	 /* RSA public exponent */
57 	uint8_t *rsa_modulus;			 /* RSA modulus pointer */
58 	uint16_t exponent_size;			 /* Exponent size (bytes) */
59 	uint16_t modulus_size;			 /* Modulus size (bytes) */
60 	uint8_t init_flag;			 /* key initialized */
61 } hab_rsa_public_key;
62 
63 typedef struct {
64 	uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
65 	uint32_t addr; /* Address to write to */
66 	uint32_t value; /* Data to write */
67 } dcd_type_addr_data_t;
68 
69 typedef struct {
70 	uint32_t barker; /* Barker for sanity check */
71 	uint32_t length; /* Device configuration length (without preamble) */
72 } dcd_preamble_t;
73 
74 typedef struct {
75 	dcd_preamble_t preamble;
76 	dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE];
77 } dcd_t;
78 
79 typedef struct {
80 	uint32_t app_code_jump_vector;
81 	uint32_t app_code_barker;
82 	uint32_t app_code_csf;
83 	uint32_t dcd_ptr_ptr;
84 	uint32_t super_root_key;
85 	uint32_t dcd_ptr;
86 	uint32_t app_dest_ptr;
87 } flash_header_t;
88 
89 typedef struct {
90 	uint32_t length; 	/* Length of data to be read from flash */
91 } flash_cfg_parms_t;
92 
93 struct imx_header {
94 	flash_header_t fhdr;
95 	dcd_t dcd_table;
96 	flash_cfg_parms_t ext_header;
97 	uint32_t flash_offset;
98 };
99 
100 struct reg_config {
101 	uint32_t raddr;
102 	uint32_t rdata;
103 };
104 
105 #endif /* _IMXIMAGE_H_ */
106