1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2016-2019 Toradex, Inc.
7 #include "tdx-cfg-block.h"
9 #if defined(CONFIG_TARGET_APALIS_IMX6) || \
10 defined(CONFIG_TARGET_APALIS_IMX8) || \
11 defined(CONFIG_TARGET_COLIBRI_IMX6) || \
12 defined(CONFIG_TARGET_COLIBRI_IMX8X)
13 #include <asm/arch/sys_proto.h>
15 #define is_cpu_type(cpu) (0)
17 #if defined(CONFIG_CPU_PXA27X)
18 #include <asm/arch-pxa/pxa.h>
20 #define cpu_is_pxa27x(cpu) (0)
28 #include <asm/mach-types.h>
30 DECLARE_GLOBAL_DATA_PTR;
32 #define TAG_VALID 0xcf01
33 #define TAG_MAC 0x0000
35 #define TAG_INVALID 0xffff
37 #define TAG_FLAG_VALID 0x1
39 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
40 #define TDX_CFG_BLOCK_MAX_SIZE 512
41 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
42 #define TDX_CFG_BLOCK_MAX_SIZE 64
43 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
44 #define TDX_CFG_BLOCK_MAX_SIZE 64
46 #error Toradex config block location not set
56 struct toradex_hw tdx_hw_tag;
57 struct toradex_eth_addr tdx_eth_addr;
60 const char * const toradex_modules[] = {
61 [0] = "UNKNOWN MODULE",
62 [1] = "Colibri PXA270 312MHz",
63 [2] = "Colibri PXA270 520MHz",
64 [3] = "Colibri PXA320 806MHz",
65 [4] = "Colibri PXA300 208MHz",
66 [5] = "Colibri PXA310 624MHz",
67 [6] = "Colibri PXA320 806MHz IT",
68 [7] = "Colibri PXA300 208MHz XT",
69 [8] = "Colibri PXA270 312MHz",
70 [9] = "Colibri PXA270 520MHz",
71 [10] = "Colibri VF50 128MB", /* not currently on sale */
72 [11] = "Colibri VF61 256MB",
73 [12] = "Colibri VF61 256MB IT",
74 [13] = "Colibri VF50 128MB IT",
75 [14] = "Colibri iMX6 Solo 256MB",
76 [15] = "Colibri iMX6 DualLite 512MB",
77 [16] = "Colibri iMX6 Solo 256MB IT",
78 [17] = "Colibri iMX6 DualLite 512MB IT",
79 [18] = "UNKNOWN MODULE",
80 [19] = "UNKNOWN MODULE",
81 [20] = "Colibri T20 256MB",
82 [21] = "Colibri T20 512MB",
83 [22] = "Colibri T20 512MB IT",
84 [23] = "Colibri T30 1GB",
85 [24] = "Colibri T20 256MB IT",
86 [25] = "Apalis T30 2GB",
87 [26] = "Apalis T30 1GB",
88 [27] = "Apalis iMX6 Quad 1GB",
89 [28] = "Apalis iMX6 Quad 2GB IT",
90 [29] = "Apalis iMX6 Dual 512MB",
91 [30] = "Colibri T30 1GB IT",
92 [31] = "Apalis T30 1GB IT",
93 [32] = "Colibri iMX7 Solo 256MB",
94 [33] = "Colibri iMX7 Dual 512MB",
95 [34] = "Apalis TK1 2GB",
96 [35] = "Apalis iMX6 Dual 1GB IT",
97 [36] = "Colibri iMX6ULL 256MB",
98 [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
99 [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
100 [39] = "Colibri iMX7 Dual 1GB (eMMC)",
101 [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
102 [41] = "Colibri iMX7 Dual 512MB EPDC",
103 [42] = "Apalis TK1 4GB",
104 [43] = "Colibri T20 512MB IT SETEK",
105 [44] = "Colibri iMX6ULL 512MB IT",
106 [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
107 [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
108 [47] = "Apalis iMX8 QuadMax 4GB IT",
109 [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
110 [49] = "Apalis iMX8 QuadPlus 2GB",
111 [50] = "Colibri iMX8 QuadXPlus 2GB IT",
112 [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
113 [52] = "Colibri iMX8 DualX 1GB",
116 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
117 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
120 int dev = CONFIG_TDX_CFG_BLOCK_DEV;
121 int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
122 uint part = CONFIG_TDX_CFG_BLOCK_PART;
126 /* Read production parameter config block from eMMC */
127 mmc = find_mmc_device(dev);
129 puts("No MMC card found\n");
134 puts("MMC init failed\n");
137 if (part != mmc_get_blk_desc(mmc)->hwpart) {
138 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
139 puts("MMC partition switch failed\n");
145 offset += mmc->capacity;
146 blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
149 /* Careful reads a whole block of 512 bytes into config_block */
150 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
151 (unsigned char *)config_block) != 1) {
156 /* Just writing one 512 byte block */
157 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
158 (unsigned char *)config_block) != 1) {
165 /* Switch back to regular eMMC user partition */
166 blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
172 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
173 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
175 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
176 struct mtd_info *mtd = get_nand_dev_by_index(0);
181 /* Read production parameter config block from NAND page */
182 return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
183 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
187 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
189 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
191 /* Write production parameter config block to NAND page */
192 return nand_write_skip_bad(get_nand_dev_by_index(0),
193 CONFIG_TDX_CFG_BLOCK_OFFSET,
194 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
195 config_block, WITH_WR_VERIFY);
199 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
200 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
202 /* Read production parameter config block from NOR flash */
203 memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
204 TDX_CFG_BLOCK_MAX_SIZE);
208 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
210 /* Write production parameter config block to NOR flash */
211 return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
212 TDX_CFG_BLOCK_MAX_SIZE);
216 int read_tdx_cfg_block(void)
219 u8 *config_block = NULL;
220 struct toradex_tag *tag;
221 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
224 /* Allocate RAM area for config block */
225 config_block = memalign(ARCH_DMA_MINALIGN, size);
227 printf("Not enough malloc space available!\n");
231 memset(config_block, 0, size);
233 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
234 ret = tdx_cfg_block_mmc_storage(config_block, 0);
235 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
236 ret = read_tdx_cfg_block_from_nand(config_block);
237 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
238 ret = read_tdx_cfg_block_from_nor(config_block);
245 /* Expect a valid tag first */
246 tag = (struct toradex_tag *)config_block;
247 if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
248 valid_cfgblock = false;
252 valid_cfgblock = true;
255 while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
256 tag = (struct toradex_tag *)(config_block + offset);
258 if (tag->id == TAG_INVALID)
261 if (tag->flags == TAG_FLAG_VALID) {
264 memcpy(&tdx_eth_addr, config_block + offset,
267 /* NIC part of MAC address is serial number */
268 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
271 memcpy(&tdx_hw_tag, config_block + offset, 8);
276 /* Get to next tag according to current tags length */
277 offset += tag->len * 4;
280 /* Cap product id to avoid issues with a yet unknown one */
281 if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
282 sizeof(toradex_modules[0])))
283 tdx_hw_tag.prodid = 0;
290 static int get_cfgblock_interactive(void)
292 char message[CONFIG_SYS_CBSIZE];
298 /* Unknown module by default */
299 tdx_hw_tag.prodid = 0;
302 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
304 sprintf(message, "Is the module an IT version? [y/N] ");
305 len = cli_readline(message);
306 it = console_buffer[0];
308 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
309 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
310 defined(CONFIG_TARGET_COLIBRI_IMX8X)
311 sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
312 len = cli_readline(message);
313 wb = console_buffer[0];
316 soc = env_get("soc");
317 if (!strcmp("mx6", soc)) {
318 #ifdef CONFIG_TARGET_APALIS_IMX6
319 if (it == 'y' || it == 'Y') {
320 if (is_cpu_type(MXC_CPU_MX6Q))
321 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
323 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
325 if (is_cpu_type(MXC_CPU_MX6Q))
326 tdx_hw_tag.prodid = APALIS_IMX6Q;
328 tdx_hw_tag.prodid = APALIS_IMX6D;
330 #elif CONFIG_TARGET_COLIBRI_IMX6
331 if (it == 'y' || it == 'Y') {
332 if (is_cpu_type(MXC_CPU_MX6DL))
333 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
334 else if (is_cpu_type(MXC_CPU_MX6SOLO))
335 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
337 if (is_cpu_type(MXC_CPU_MX6DL))
338 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
339 else if (is_cpu_type(MXC_CPU_MX6SOLO))
340 tdx_hw_tag.prodid = COLIBRI_IMX6S;
342 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
343 if (it == 'y' || it == 'Y') {
344 if (wb == 'y' || wb == 'Y')
345 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
347 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
349 if (wb == 'y' || wb == 'Y')
350 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
352 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
355 } else if (!strcmp("imx7d", soc))
356 tdx_hw_tag.prodid = COLIBRI_IMX7D;
357 else if (!strcmp("imx7s", soc))
358 tdx_hw_tag.prodid = COLIBRI_IMX7S;
359 else if (is_cpu_type(MXC_CPU_IMX8QM)) {
360 if (it == 'y' || it == 'Y') {
361 if (wb == 'y' || wb == 'Y')
362 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
364 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
366 if (wb == 'y' || wb == 'Y')
367 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
369 tdx_hw_tag.prodid = APALIS_IMX8QP;
371 } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
372 if (it == 'y' || it == 'Y') {
373 if (wb == 'y' || wb == 'Y')
374 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
376 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
378 if (wb == 'y' || wb == 'Y')
379 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
381 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
383 } else if (!strcmp("tegra20", soc)) {
384 if (it == 'y' || it == 'Y')
385 if (gd->ram_size == 0x10000000)
386 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
388 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
390 if (gd->ram_size == 0x10000000)
391 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
393 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
394 } else if (cpu_is_pxa27x()) {
395 if (it == 'y' || it == 'Y')
396 tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
398 tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
400 #ifdef CONFIG_MACH_TYPE
401 else if (!strcmp("tegra30", soc)) {
402 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
403 if (it == 'y' || it == 'Y')
404 tdx_hw_tag.prodid = APALIS_T30_IT;
406 if (gd->ram_size == 0x40000000)
407 tdx_hw_tag.prodid = APALIS_T30_1GB;
409 tdx_hw_tag.prodid = APALIS_T30_2GB;
411 if (it == 'y' || it == 'Y')
412 tdx_hw_tag.prodid = COLIBRI_T30_IT;
414 tdx_hw_tag.prodid = COLIBRI_T30;
417 #endif /* CONFIG_MACH_TYPE */
418 else if (!strcmp("tegra124", soc)) {
419 tdx_hw_tag.prodid = APALIS_TK1_2GB;
420 } else if (!strcmp("vf500", soc)) {
421 if (it == 'y' || it == 'Y')
422 tdx_hw_tag.prodid = COLIBRI_VF50_IT;
424 tdx_hw_tag.prodid = COLIBRI_VF50;
425 } else if (!strcmp("vf610", soc)) {
426 if (it == 'y' || it == 'Y')
427 tdx_hw_tag.prodid = COLIBRI_VF61_IT;
429 tdx_hw_tag.prodid = COLIBRI_VF61;
432 if (!tdx_hw_tag.prodid) {
433 printf("Module type not detectable due to unknown SoC\n");
438 sprintf(message, "Enter the module version (e.g. V1.1B): V");
439 len = cli_readline(message);
442 tdx_hw_tag.ver_major = console_buffer[0] - '0';
443 tdx_hw_tag.ver_minor = console_buffer[2] - '0';
444 tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
446 if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
447 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
448 COLIBRI_PXA270_V1_312MHZ);
451 sprintf(message, "Enter module serial number: ");
452 len = cli_readline(message);
455 tdx_serial = simple_strtoul(console_buffer, NULL, 10);
460 static int get_cfgblock_barcode(char *barcode)
462 if (strlen(barcode) < 16) {
463 printf("Argument too short, barcode is 16 chars long\n");
467 /* Get hardware information from the first 8 digits */
468 tdx_hw_tag.ver_major = barcode[4] - '0';
469 tdx_hw_tag.ver_minor = barcode[5] - '0';
470 tdx_hw_tag.ver_assembly = barcode[7] - '0';
473 tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
475 /* Parse second part of the barcode (serial number */
477 tdx_serial = simple_strtoul(barcode, NULL, 10);
482 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
486 struct toradex_tag *tag;
487 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
489 int ret = CMD_RET_SUCCESS;
491 int force_overwrite = 0;
493 /* Allocate RAM area for config block */
494 config_block = memalign(ARCH_DMA_MINALIGN, size);
496 printf("Not enough malloc space available!\n");
497 return CMD_RET_FAILURE;
500 memset(config_block, 0xff, size);
503 if (argv[2][0] == '-' && argv[2][1] == 'y')
507 read_tdx_cfg_block();
508 if (valid_cfgblock) {
509 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
511 * On NAND devices, recreation is only allowed if the page is
512 * empty (config block invalid...)
514 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
515 CONFIG_TDX_CFG_BLOCK_OFFSET /
516 get_nand_dev_by_index(0)->erasesize);
518 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
520 * On NOR devices, recreation is only allowed if the sector is
521 * empty and write protection is off (config block invalid...)
523 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
524 CONFIG_TDX_CFG_BLOCK_OFFSET);
527 if (!force_overwrite) {
528 char message[CONFIG_SYS_CBSIZE];
531 "A valid Toradex config block is present, still recreate? [y/N] ");
533 if (!cli_readline(message))
536 if (console_buffer[0] != 'y' &&
537 console_buffer[0] != 'Y')
543 /* Parse new Toradex config block data... */
544 if (argc < 3 || (force_overwrite && argc < 4)) {
545 err = get_cfgblock_interactive();
548 err = get_cfgblock_barcode(argv[3]);
550 err = get_cfgblock_barcode(argv[2]);
553 ret = CMD_RET_FAILURE;
557 /* Convert serial number to MAC address (the storage format) */
558 tdx_eth_addr.oui = htonl(0x00142dUL << 8);
559 tdx_eth_addr.nic = htonl(tdx_serial << 8);
562 tag = (struct toradex_tag *)config_block;
564 tag->flags = TAG_FLAG_VALID;
569 tag = (struct toradex_tag *)(config_block + offset);
571 tag->flags = TAG_FLAG_VALID;
575 memcpy(config_block + offset, &tdx_hw_tag, 8);
579 tag = (struct toradex_tag *)(config_block + offset);
581 tag->flags = TAG_FLAG_VALID;
585 memcpy(config_block + offset, &tdx_eth_addr, 6);
587 memset(config_block + offset, 0, 32 - offset);
589 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
590 err = tdx_cfg_block_mmc_storage(config_block, 1);
591 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
592 err = write_tdx_cfg_block_to_nand(config_block);
593 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
594 err = write_tdx_cfg_block_to_nor(config_block);
599 printf("Failed to write Toradex config block: %d\n", ret);
600 ret = CMD_RET_FAILURE;
604 printf("Toradex config block successfully written\n");
611 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
617 return CMD_RET_USAGE;
619 if (!strcmp(argv[1], "create")) {
620 return do_cfgblock_create(cmdtp, flag, argc, argv);
621 } else if (!strcmp(argv[1], "reload")) {
622 ret = read_tdx_cfg_block();
624 printf("Failed to reload Toradex config block: %d\n",
626 return CMD_RET_FAILURE;
628 return CMD_RET_SUCCESS;
631 return CMD_RET_USAGE;
634 U_BOOT_CMD(cfgblock, 4, 0, do_cfgblock,
635 "Toradex config block handling commands",
636 "create [-y] [barcode] - (Re-)create Toradex config block\n"
637 "cfgblock reload - Reload Toradex config block from flash"