]> git.ipfire.org Git - thirdparty/u-boot.git/blame - board/toradex/common/tdx-cfg-block.c
toradex: configblock: add an -y parameter to 'cfgblock create’
[thirdparty/u-boot.git] / board / toradex / common / tdx-cfg-block.c
CommitLineData
83d290c5 1// SPDX-License-Identifier: GPL-2.0+
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2/*
3 * Copyright (c) 2016 Toradex, Inc.
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4 */
5
6#include <common.h>
7#include "tdx-cfg-block.h"
8
9#if defined(CONFIG_TARGET_APALIS_IMX6) || defined(CONFIG_TARGET_COLIBRI_IMX6)
10#include <asm/arch/sys_proto.h>
11#else
12#define is_cpu_type(cpu) (0)
13#endif
14#if defined(CONFIG_CPU_PXA27X)
15#include <asm/arch-pxa/pxa.h>
16#else
17#define cpu_is_pxa27x(cpu) (0)
18#endif
19#include <cli.h>
20#include <console.h>
21#include <flash.h>
22#include <malloc.h>
23#include <mmc.h>
24#include <nand.h>
c62db35d 25#include <asm/mach-types.h>
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26
27DECLARE_GLOBAL_DATA_PTR;
28
29#define TAG_VALID 0xcf01
30#define TAG_MAC 0x0000
31#define TAG_HW 0x0008
32#define TAG_INVALID 0xffff
33
34#define TAG_FLAG_VALID 0x1
35
36#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
37#define TDX_CFG_BLOCK_MAX_SIZE 512
38#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
39#define TDX_CFG_BLOCK_MAX_SIZE 64
40#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
41#define TDX_CFG_BLOCK_MAX_SIZE 64
42#else
43#error Toradex config block location not set
44#endif
45
46struct toradex_tag {
47 u32 len:14;
48 u32 flags:2;
49 u32 id:16;
50};
51
52bool valid_cfgblock;
53struct toradex_hw tdx_hw_tag;
54struct toradex_eth_addr tdx_eth_addr;
55u32 tdx_serial;
56
57const char * const toradex_modules[] = {
58 [0] = "UNKNOWN MODULE",
59 [1] = "Colibri PXA270 312MHz",
60 [2] = "Colibri PXA270 520MHz",
61 [3] = "Colibri PXA320 806MHz",
62 [4] = "Colibri PXA300 208MHz",
63 [5] = "Colibri PXA310 624MHz",
64 [6] = "Colibri PXA320 806MHz IT",
65 [7] = "Colibri PXA300 208MHz XT",
66 [8] = "Colibri PXA270 312MHz",
67 [9] = "Colibri PXA270 520MHz",
68 [10] = "Colibri VF50 128MB", /* not currently on sale */
69 [11] = "Colibri VF61 256MB",
70 [12] = "Colibri VF61 256MB IT",
71 [13] = "Colibri VF50 128MB IT",
72 [14] = "Colibri iMX6 Solo 256MB",
73 [15] = "Colibri iMX6 DualLite 512MB",
74 [16] = "Colibri iMX6 Solo 256MB IT",
75 [17] = "Colibri iMX6 DualLite 512MB IT",
76 [18] = "UNKNOWN MODULE",
77 [19] = "UNKNOWN MODULE",
78 [20] = "Colibri T20 256MB",
79 [21] = "Colibri T20 512MB",
80 [22] = "Colibri T20 512MB IT",
81 [23] = "Colibri T30 1GB",
82 [24] = "Colibri T20 256MB IT",
83 [25] = "Apalis T30 2GB",
84 [26] = "Apalis T30 1GB",
85 [27] = "Apalis iMX6 Quad 1GB",
86 [28] = "Apalis iMX6 Quad 2GB IT",
87 [29] = "Apalis iMX6 Dual 512MB",
88 [30] = "Colibri T30 1GB IT",
89 [31] = "Apalis T30 1GB IT",
90 [32] = "Colibri iMX7 Solo 256MB",
91 [33] = "Colibri iMX7 Dual 512MB",
92 [34] = "Apalis TK1 2GB",
93 [35] = "Apalis iMX6 Dual 1GB IT",
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94 [36] = "Colibri iMX6ULL 256MB",
95 [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / Bluetooth",
96 [38] = "Colibri iMX8X",
97 [39] = "Colibri iMX7 Dual 1GB (eMMC)",
98 [40] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth IT",
99 [41] = "Colibri iMX7 Dual 512MB EPDC",
100 [42] = "Apalis TK1 4GB",
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101};
102
103#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
104static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
105{
106 struct mmc *mmc;
107 int dev = CONFIG_TDX_CFG_BLOCK_DEV;
108 int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
109 uint part = CONFIG_TDX_CFG_BLOCK_PART;
110 uint blk_start;
111 int ret = 0;
112
113 /* Read production parameter config block from eMMC */
114 mmc = find_mmc_device(dev);
115 if (!mmc) {
116 puts("No MMC card found\n");
117 ret = -ENODEV;
118 goto out;
119 }
0e513e78 120 if (part != mmc_get_blk_desc(mmc)->hwpart) {
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121 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
122 puts("MMC partition switch failed\n");
123 ret = -ENODEV;
124 goto out;
125 }
126 }
127 if (offset < 0)
128 offset += mmc->capacity;
129 blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
130
131 if (!write) {
132 /* Careful reads a whole block of 512 bytes into config_block */
133 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
134 (unsigned char *)config_block) != 1) {
135 ret = -EIO;
136 goto out;
137 }
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138 } else {
139 /* Just writing one 512 byte block */
140 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
141 (unsigned char *)config_block) != 1) {
142 ret = -EIO;
143 goto out;
144 }
145 }
146
147out:
148 /* Switch back to regular eMMC user partition */
149 blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
150
151 return ret;
152}
153#endif
154
155#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
156static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
157{
158 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
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159 struct mtd_info *mtd = get_nand_dev_by_index(0);
160
161 if (!mtd)
162 return -ENODEV;
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163
164 /* Read production parameter config block from NAND page */
bc53fb19 165 return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
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166 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
167 config_block);
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168}
169
170static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
171{
172 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
173
174 /* Write production parameter config block to NAND page */
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175 return nand_write_skip_bad(get_nand_dev_by_index(0),
176 CONFIG_TDX_CFG_BLOCK_OFFSET,
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177 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
178 config_block, WITH_WR_VERIFY);
179}
180#endif
181
182#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
183static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
184{
185 /* Read production parameter config block from NOR flash */
186 memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
187 TDX_CFG_BLOCK_MAX_SIZE);
188 return 0;
189}
190
191static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
192{
193 /* Write production parameter config block to NOR flash */
194 return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
195 TDX_CFG_BLOCK_MAX_SIZE);
196}
197#endif
198
199int read_tdx_cfg_block(void)
200{
201 int ret = 0;
202 u8 *config_block = NULL;
203 struct toradex_tag *tag;
204 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
205 int offset;
206
207 /* Allocate RAM area for config block */
208 config_block = memalign(ARCH_DMA_MINALIGN, size);
209 if (!config_block) {
210 printf("Not enough malloc space available!\n");
211 return -ENOMEM;
212 }
213
214 memset(config_block, 0, size);
215
216#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
217 ret = tdx_cfg_block_mmc_storage(config_block, 0);
218#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
219 ret = read_tdx_cfg_block_from_nand(config_block);
220#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
221 ret = read_tdx_cfg_block_from_nor(config_block);
222#else
223 ret = -EINVAL;
224#endif
225 if (ret)
226 goto out;
227
228 /* Expect a valid tag first */
229 tag = (struct toradex_tag *)config_block;
230 if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
231 valid_cfgblock = false;
232 ret = -EINVAL;
233 goto out;
234 }
235 valid_cfgblock = true;
236 offset = 4;
237
238 while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
239 tag = (struct toradex_tag *)(config_block + offset);
240 offset += 4;
241 if (tag->id == TAG_INVALID)
242 break;
243
244 if (tag->flags == TAG_FLAG_VALID) {
245 switch (tag->id) {
246 case TAG_MAC:
247 memcpy(&tdx_eth_addr, config_block + offset,
248 6);
249
250 /* NIC part of MAC address is serial number */
251 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
252 break;
253 case TAG_HW:
254 memcpy(&tdx_hw_tag, config_block + offset, 8);
255 break;
256 }
257 }
258
259 /* Get to next tag according to current tags length */
260 offset += tag->len * 4;
261 }
262
263 /* Cap product id to avoid issues with a yet unknown one */
264 if (tdx_hw_tag.prodid > (sizeof(toradex_modules) /
265 sizeof(toradex_modules[0])))
266 tdx_hw_tag.prodid = 0;
267
268out:
269 free(config_block);
270 return ret;
271}
272
273static int get_cfgblock_interactive(void)
274{
275 char message[CONFIG_SYS_CBSIZE];
276 char *soc;
277 char it = 'n';
278 int len;
279
280 if (cpu_is_pxa27x())
281 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
282 else
283 sprintf(message, "Is the module an IT version? [y/N] ");
284
285 len = cli_readline(message);
286 it = console_buffer[0];
287
00caae6d 288 soc = env_get("soc");
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289 if (!strcmp("mx6", soc)) {
290#ifdef CONFIG_MACH_TYPE
291 if (it == 'y' || it == 'Y')
292 if (is_cpu_type(MXC_CPU_MX6Q))
293 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
294 else
295 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
296 else
297 if (is_cpu_type(MXC_CPU_MX6Q))
298 tdx_hw_tag.prodid = APALIS_IMX6Q;
299 else
300 tdx_hw_tag.prodid = APALIS_IMX6D;
301#else
302 if (it == 'y' || it == 'Y')
303 if (is_cpu_type(MXC_CPU_MX6DL))
304 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
305 else
306 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
307 else
308 if (is_cpu_type(MXC_CPU_MX6DL))
309 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
310 else
311 tdx_hw_tag.prodid = COLIBRI_IMX6S;
312#endif /* CONFIG_MACH_TYPE */
313 } else if (!strcmp("imx7d", soc)) {
314 tdx_hw_tag.prodid = COLIBRI_IMX7D;
315 } else if (!strcmp("imx7s", soc)) {
316 tdx_hw_tag.prodid = COLIBRI_IMX7S;
317 } else if (!strcmp("tegra20", soc)) {
318 if (it == 'y' || it == 'Y')
319 if (gd->ram_size == 0x10000000)
320 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
321 else
322 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
323 else
324 if (gd->ram_size == 0x10000000)
325 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
326 else
327 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
328 } else if (cpu_is_pxa27x()) {
329 if (it == 'y' || it == 'Y')
330 tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
331 else
332 tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
333#ifdef CONFIG_MACH_TYPE
334 } else if (!strcmp("tegra30", soc)) {
335 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
336 if (it == 'y' || it == 'Y')
337 tdx_hw_tag.prodid = APALIS_T30_IT;
338 else
339 if (gd->ram_size == 0x40000000)
340 tdx_hw_tag.prodid = APALIS_T30_1GB;
341 else
342 tdx_hw_tag.prodid = APALIS_T30_2GB;
343 } else {
344 if (it == 'y' || it == 'Y')
345 tdx_hw_tag.prodid = COLIBRI_T30_IT;
346 else
347 tdx_hw_tag.prodid = COLIBRI_T30;
348 }
349#endif /* CONFIG_MACH_TYPE */
350 } else if (!strcmp("tegra124", soc)) {
351 tdx_hw_tag.prodid = APALIS_TK1_2GB;
352 } else if (!strcmp("vf500", soc)) {
353 if (it == 'y' || it == 'Y')
354 tdx_hw_tag.prodid = COLIBRI_VF50_IT;
355 else
356 tdx_hw_tag.prodid = COLIBRI_VF50;
357 } else if (!strcmp("vf610", soc)) {
358 if (it == 'y' || it == 'Y')
359 tdx_hw_tag.prodid = COLIBRI_VF61_IT;
360 else
361 tdx_hw_tag.prodid = COLIBRI_VF61;
362 } else {
363 printf("Module type not detectable due to unknown SoC\n");
364 return -1;
365 }
366
367 while (len < 4) {
368 sprintf(message, "Enter the module version (e.g. V1.1B): V");
369 len = cli_readline(message);
370 }
371
372 tdx_hw_tag.ver_major = console_buffer[0] - '0';
373 tdx_hw_tag.ver_minor = console_buffer[2] - '0';
374 tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
375
376 if (cpu_is_pxa27x() && (tdx_hw_tag.ver_major == 1))
377 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
378 COLIBRI_PXA270_V1_312MHZ);
379
380 while (len < 8) {
381 sprintf(message, "Enter module serial number: ");
382 len = cli_readline(message);
383 }
384
385 tdx_serial = simple_strtoul(console_buffer, NULL, 10);
386
387 return 0;
388}
389
390static int get_cfgblock_barcode(char *barcode)
391{
392 if (strlen(barcode) < 16) {
393 printf("Argument too short, barcode is 16 chars long\n");
394 return -1;
395 }
396
397 /* Get hardware information from the first 8 digits */
398 tdx_hw_tag.ver_major = barcode[4] - '0';
399 tdx_hw_tag.ver_minor = barcode[5] - '0';
400 tdx_hw_tag.ver_assembly = barcode[7] - '0';
401
402 barcode[4] = '\0';
403 tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
404
405 /* Parse second part of the barcode (serial number */
406 barcode += 8;
407 tdx_serial = simple_strtoul(barcode, NULL, 10);
408
409 return 0;
410}
411
412static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
413 char * const argv[])
414{
415 u8 *config_block;
416 struct toradex_tag *tag;
417 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
418 int offset = 0;
419 int ret = CMD_RET_SUCCESS;
420 int err;
587b13c6 421 int force_overwrite = 0;
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422
423 /* Allocate RAM area for config block */
424 config_block = memalign(ARCH_DMA_MINALIGN, size);
425 if (!config_block) {
426 printf("Not enough malloc space available!\n");
427 return CMD_RET_FAILURE;
428 }
429
430 memset(config_block, 0xff, size);
431
587b13c6
DS
432 if (argc >= 3) {
433 if (argv[2][0] == '-' && argv[2][1] == 'y')
434 force_overwrite = 1;
435 }
436
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437 read_tdx_cfg_block();
438 if (valid_cfgblock) {
439#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
440 /*
441 * On NAND devices, recreation is only allowed if the page is
442 * empty (config block invalid...)
443 */
444 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
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445 CONFIG_TDX_CFG_BLOCK_OFFSET /
446 get_nand_dev_by_index(0)->erasesize);
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447 goto out;
448#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
449 /*
450 * On NOR devices, recreation is only allowed if the sector is
451 * empty and write protection is off (config block invalid...)
452 */
453 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
454 CONFIG_TDX_CFG_BLOCK_OFFSET);
455 goto out;
456#else
587b13c6
DS
457 if (!force_overwrite) {
458 char message[CONFIG_SYS_CBSIZE];
a2777ecb 459
587b13c6
DS
460 sprintf(message,
461 "A valid Toradex config block is present, still recreate? [y/N] ");
a2777ecb 462
587b13c6
DS
463 if (!cli_readline(message))
464 goto out;
465
466 if (console_buffer[0] != 'y' &&
467 console_buffer[0] != 'Y')
468 goto out;
469 }
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470#endif
471 }
472
473 /* Parse new Toradex config block data... */
587b13c6 474 if (argc < 3 || (force_overwrite && argc < 4)) {
a2777ecb 475 err = get_cfgblock_interactive();
587b13c6
DS
476 } else {
477 if (force_overwrite)
478 err = get_cfgblock_barcode(argv[3]);
479 else
480 err = get_cfgblock_barcode(argv[2]);
481 }
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482 if (err) {
483 ret = CMD_RET_FAILURE;
484 goto out;
485 }
486
487 /* Convert serial number to MAC address (the storage format) */
488 tdx_eth_addr.oui = htonl(0x00142dUL << 8);
489 tdx_eth_addr.nic = htonl(tdx_serial << 8);
490
491 /* Valid Tag */
492 tag = (struct toradex_tag *)config_block;
493 tag->id = TAG_VALID;
494 tag->flags = TAG_FLAG_VALID;
495 tag->len = 0;
496 offset += 4;
497
498 /* Product Tag */
499 tag = (struct toradex_tag *)(config_block + offset);
500 tag->id = TAG_HW;
501 tag->flags = TAG_FLAG_VALID;
502 tag->len = 2;
503 offset += 4;
504
505 memcpy(config_block + offset, &tdx_hw_tag, 8);
506 offset += 8;
507
508 /* MAC Tag */
509 tag = (struct toradex_tag *)(config_block + offset);
510 tag->id = TAG_MAC;
511 tag->flags = TAG_FLAG_VALID;
512 tag->len = 2;
513 offset += 4;
514
515 memcpy(config_block + offset, &tdx_eth_addr, 6);
516 offset += 6;
517 memset(config_block + offset, 0, 32 - offset);
518
519#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
520 err = tdx_cfg_block_mmc_storage(config_block, 1);
521#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
522 err = write_tdx_cfg_block_to_nand(config_block);
523#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
524 err = write_tdx_cfg_block_to_nor(config_block);
525#else
526 err = -EINVAL;
527#endif
528 if (err) {
529 printf("Failed to write Toradex config block: %d\n", ret);
530 ret = CMD_RET_FAILURE;
531 goto out;
532 }
533
534 printf("Toradex config block successfully written\n");
535
536out:
537 free(config_block);
538 return ret;
539}
540
541static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
542 char * const argv[])
543{
544 int ret;
545
546 if (argc < 2)
547 return CMD_RET_USAGE;
548
549 if (!strcmp(argv[1], "create")) {
550 return do_cfgblock_create(cmdtp, flag, argc, argv);
551 } else if (!strcmp(argv[1], "reload")) {
552 ret = read_tdx_cfg_block();
553 if (ret) {
554 printf("Failed to reload Toradex config block: %d\n",
555 ret);
556 return CMD_RET_FAILURE;
557 }
558 return CMD_RET_SUCCESS;
559 }
560
561 return CMD_RET_USAGE;
562}
563
564U_BOOT_CMD(
587b13c6 565 cfgblock, 4, 0, do_cfgblock,
a2777ecb 566 "Toradex config block handling commands",
587b13c6 567 "create [-y] [barcode] - (Re-)create Toradex config block\n"
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568 "cfgblock reload - Reload Toradex config block from flash"
569);