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Heiko Schocher7816f2c2011-07-16 00:06:42 +00001/*
2 * (C) Copyright 2011
3 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
4 *
5 * Based on:
6 * (C) Copyright 2009
7 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
8 *
9 * (C) Copyright 2008
10 * Marvell Semiconductor <www.marvell.com>
11 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
12 *
Wolfgang Denk3765b3e2013-10-07 13:07:26 +020013 * SPDX-License-Identifier: GPL-2.0+
Heiko Schocher7816f2c2011-07-16 00:06:42 +000014 */
15
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -070016#include "imagetool.h"
Heiko Schocher7816f2c2011-07-16 00:06:42 +000017#include <image.h>
18#include "ublimage.h"
19
20/*
21 * Supported commands for configuration file
22 */
23static table_entry_t ublimage_cmds[] = {
24 {CMD_BOOT_MODE, "MODE", "UBL special modes", },
25 {CMD_ENTRY, "ENTRY", "Entry point addr for bootloader", },
26 {CMD_PAGE, "PAGES",
27 "number of pages (size of bootloader)", },
28 {CMD_ST_BLOCK, "START_BLOCK",
29 "block number where bootloader is present", },
30 {CMD_ST_PAGE, "START_PAGE",
31 "page number where bootloader is present", },
32 {CMD_LD_ADDR, "LD_ADDR",
33 "load addr", },
34 {-1, "", "", },
35};
36
37/*
38 * Supported Boot options for configuration file
39 * this is needed to set the correct flash offset
40 */
41static table_entry_t ublimage_bootops[] = {
42 {UBL_MAGIC_SAFE, "safe", "Safe boot mode", },
43 {-1, "", "Invalid", },
44};
45
46static struct ubl_header ublimage_header;
47
48static uint32_t get_cfg_value(char *token, char *name, int linenr)
49{
50 char *endptr;
51 uint32_t value;
52
53 errno = 0;
54 value = strtoul(token, &endptr, 16);
55 if (errno || (token == endptr)) {
56 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
57 name, linenr, token);
58 exit(EXIT_FAILURE);
59 }
60 return value;
61}
62
63static void print_hdr(struct ubl_header *ubl_hdr)
64{
65 printf("Image Type : Davinci UBL Boot Image\n");
66 printf("UBL magic : %08x\n", ubl_hdr->magic);
67 printf("Entry Point: %08x\n", ubl_hdr->entry);
68 printf("nr of pages: %08x\n", ubl_hdr->pages);
69 printf("start block: %08x\n", ubl_hdr->block);
70 printf("start page : %08x\n", ubl_hdr->page);
71}
72
73static void parse_cfg_cmd(struct ubl_header *ublhdr, int32_t cmd, char *token,
74 char *name, int lineno, int fld, int dcd_len)
75{
76 static int cmd_ver_first = ~0;
77
78 switch (cmd) {
79 case CMD_BOOT_MODE:
80 ublhdr->magic = get_table_entry_id(ublimage_bootops,
81 "ublimage special boot mode", token);
82 if (ublhdr->magic == -1) {
83 fprintf(stderr, "Error: %s[%d] -Invalid boot mode"
84 "(%s)\n", name, lineno, token);
85 exit(EXIT_FAILURE);
86 }
87 ublhdr->magic += UBL_MAGIC_BASE;
88 if (unlikely(cmd_ver_first != 1))
89 cmd_ver_first = 0;
90 break;
91 case CMD_ENTRY:
92 ublhdr->entry = get_cfg_value(token, name, lineno);
93 break;
94 case CMD_PAGE:
95 ublhdr->pages = get_cfg_value(token, name, lineno);
96 break;
97 case CMD_ST_BLOCK:
98 ublhdr->block = get_cfg_value(token, name, lineno);
99 break;
100 case CMD_ST_PAGE:
101 ublhdr->page = get_cfg_value(token, name, lineno);
102 break;
103 case CMD_LD_ADDR:
104 ublhdr->pll_m = get_cfg_value(token, name, lineno);
105 break;
106 }
107}
108
109static void parse_cfg_fld(struct ubl_header *ublhdr, int32_t *cmd,
110 char *token, char *name, int lineno, int fld, int *dcd_len)
111{
112
113 switch (fld) {
114 case CFG_COMMAND:
115 *cmd = get_table_entry_id(ublimage_cmds,
116 "ublimage commands", token);
117 if (*cmd < 0) {
118 fprintf(stderr, "Error: %s[%d] - Invalid command"
119 "(%s)\n", name, lineno, token);
120 exit(EXIT_FAILURE);
121 }
122 break;
123 case CFG_REG_VALUE:
124 parse_cfg_cmd(ublhdr, *cmd, token, name, lineno, fld, *dcd_len);
125 break;
126 default:
127 break;
128 }
129}
130static uint32_t parse_cfg_file(struct ubl_header *ublhdr, char *name)
131{
132 FILE *fd = NULL;
133 char *line = NULL;
134 char *token, *saveptr1, *saveptr2;
135 int lineno = 0;
136 int i;
137 char *ptr = (char *)ublhdr;
138 int fld;
139 size_t len;
140 int dcd_len = 0;
141 int32_t cmd;
142 int ublhdrlen = sizeof(struct ubl_header);
143
144 fd = fopen(name, "r");
145 if (fd == 0) {
146 fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
147 exit(EXIT_FAILURE);
148 }
149
150 /* Fill header with 0xff */
151 for (i = 0; i < ublhdrlen; i++) {
152 *ptr = 0xff;
153 ptr++;
154 }
155
156 /*
157 * Very simple parsing, line starting with # are comments
158 * and are dropped
159 */
160 while ((getline(&line, &len, fd)) > 0) {
161 lineno++;
162
163 token = strtok_r(line, "\r\n", &saveptr1);
164 if (token == NULL)
165 continue;
166
167 /* Check inside the single line */
168 for (fld = CFG_COMMAND, cmd = CMD_INVALID,
169 line = token; ; line = NULL, fld++) {
170 token = strtok_r(line, " \t", &saveptr2);
171 if (token == NULL)
172 break;
173
174 /* Drop all text starting with '#' as comments */
175 if (token[0] == '#')
176 break;
177
178 parse_cfg_fld(ublhdr, &cmd, token, name,
179 lineno, fld, &dcd_len);
180 }
181 }
182 fclose(fd);
183
184 return dcd_len;
185}
186
187static int ublimage_check_image_types(uint8_t type)
188{
189 if (type == IH_TYPE_UBLIMAGE)
190 return EXIT_SUCCESS;
191 else
192 return EXIT_FAILURE;
193}
194
195static int ublimage_verify_header(unsigned char *ptr, int image_size,
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -0700196 struct image_tool_params *params)
Heiko Schocher7816f2c2011-07-16 00:06:42 +0000197{
Stefano Babic16396792011-09-15 23:50:15 +0000198 struct ubl_header *ubl_hdr = (struct ubl_header *)ptr;
199
200 if ((ubl_hdr->magic & 0xFFFFFF00) != UBL_MAGIC_BASE)
201 return -1;
202
Heiko Schocher7816f2c2011-07-16 00:06:42 +0000203 return 0;
204}
205
206static void ublimage_print_header(const void *ptr)
207{
208 struct ubl_header *ubl_hdr = (struct ubl_header *) ptr;
209
210 print_hdr(ubl_hdr);
211}
212
213static void ublimage_set_header(void *ptr, struct stat *sbuf, int ifd,
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -0700214 struct image_tool_params *params)
Heiko Schocher7816f2c2011-07-16 00:06:42 +0000215{
216 struct ubl_header *ublhdr = (struct ubl_header *)ptr;
217
218 /* Parse configuration file */
219 parse_cfg_file(ublhdr, params->imagename);
220}
221
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -0700222int ublimage_check_params(struct image_tool_params *params)
Heiko Schocher7816f2c2011-07-16 00:06:42 +0000223{
224 if (!params)
225 return CFG_INVALID;
226 if (!strlen(params->imagename)) {
227 fprintf(stderr, "Error: %s - Configuration file not"
228 "specified, it is needed for ublimage generation\n",
229 params->cmdname);
230 return CFG_INVALID;
231 }
232 /*
233 * Check parameters:
234 * XIP is not allowed and verify that incompatible
235 * parameters are not sent at the same time
236 * For example, if list is required a data image must not be provided
237 */
238 return (params->dflag && (params->fflag || params->lflag)) ||
239 (params->fflag && (params->dflag || params->lflag)) ||
240 (params->lflag && (params->dflag || params->fflag)) ||
241 (params->xflag) || !(strlen(params->imagename));
242}
243
244/*
245 * ublimage parameters
246 */
Guilherme Maciel Ferreiraa93648d2015-01-15 02:48:07 -0200247U_BOOT_IMAGE_TYPE(
248 ublimage,
249 "Davinci UBL boot support",
250 sizeof(struct ubl_header),
251 (void *)&ublimage_header,
252 ublimage_check_params,
253 ublimage_verify_header,
254 ublimage_print_header,
255 ublimage_set_header,
256 NULL,
257 ublimage_check_image_types,
258 NULL,
259 NULL
260);