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)
29 #include <asm/mach-types.h>
31 DECLARE_GLOBAL_DATA_PTR;
33 #define TAG_VALID 0xcf01
34 #define TAG_MAC 0x0000
36 #define TAG_INVALID 0xffff
38 #define TAG_FLAG_VALID 0x1
40 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
41 #define TDX_CFG_BLOCK_MAX_SIZE 512
42 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
43 #define TDX_CFG_BLOCK_MAX_SIZE 64
44 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
45 #define TDX_CFG_BLOCK_MAX_SIZE 64
47 #error Toradex config block location not set
57 struct toradex_hw tdx_hw_tag;
58 struct toradex_eth_addr tdx_eth_addr;
61 const char * const toradex_modules[] = {
62 [0] = "UNKNOWN MODULE",
63 [1] = "Colibri PXA270 312MHz",
64 [2] = "Colibri PXA270 520MHz",
65 [3] = "Colibri PXA320 806MHz",
66 [4] = "Colibri PXA300 208MHz",
67 [5] = "Colibri PXA310 624MHz",
68 [6] = "Colibri PXA320 806MHz IT",
69 [7] = "Colibri PXA300 208MHz XT",
70 [8] = "Colibri PXA270 312MHz",
71 [9] = "Colibri PXA270 520MHz",
72 [10] = "Colibri VF50 128MB", /* not currently on sale */
73 [11] = "Colibri VF61 256MB",
74 [12] = "Colibri VF61 256MB IT",
75 [13] = "Colibri VF50 128MB IT",
76 [14] = "Colibri iMX6 Solo 256MB",
77 [15] = "Colibri iMX6 DualLite 512MB",
78 [16] = "Colibri iMX6 Solo 256MB IT",
79 [17] = "Colibri iMX6 DualLite 512MB IT",
80 [18] = "UNKNOWN MODULE",
81 [19] = "UNKNOWN MODULE",
82 [20] = "Colibri T20 256MB",
83 [21] = "Colibri T20 512MB",
84 [22] = "Colibri T20 512MB IT",
85 [23] = "Colibri T30 1GB",
86 [24] = "Colibri T20 256MB IT",
87 [25] = "Apalis T30 2GB",
88 [26] = "Apalis T30 1GB",
89 [27] = "Apalis iMX6 Quad 1GB",
90 [28] = "Apalis iMX6 Quad 2GB IT",
91 [29] = "Apalis iMX6 Dual 512MB",
92 [30] = "Colibri T30 1GB IT",
93 [31] = "Apalis T30 1GB IT",
94 [32] = "Colibri iMX7 Solo 256MB",
95 [33] = "Colibri iMX7 Dual 512MB",
96 [34] = "Apalis TK1 2GB",
97 [35] = "Apalis iMX6 Dual 1GB IT",
98 [36] = "Colibri iMX6ULL 256MB",
99 [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
100 [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
101 [39] = "Colibri iMX7 Dual 1GB (eMMC)",
102 [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
103 [41] = "Colibri iMX7 Dual 512MB EPDC",
104 [42] = "Apalis TK1 4GB",
105 [43] = "Colibri T20 512MB IT SETEK",
106 [44] = "Colibri iMX6ULL 512MB IT",
107 [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
108 [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
109 [47] = "Apalis iMX8 QuadMax 4GB IT",
110 [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
111 [49] = "Apalis iMX8 QuadPlus 2GB",
112 [50] = "Colibri iMX8 QuadXPlus 2GB IT",
113 [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
114 [52] = "Colibri iMX8 DualX 1GB",
117 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
118 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
121 int dev = CONFIG_TDX_CFG_BLOCK_DEV;
122 int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
123 uint part = CONFIG_TDX_CFG_BLOCK_PART;
127 /* Read production parameter config block from eMMC */
128 mmc = find_mmc_device(dev);
130 puts("No MMC card found\n");
135 puts("MMC init failed\n");
138 if (part != mmc_get_blk_desc(mmc)->hwpart) {
139 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
140 puts("MMC partition switch failed\n");
146 offset += mmc->capacity;
147 blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
150 /* Careful reads a whole block of 512 bytes into config_block */
151 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
152 (unsigned char *)config_block) != 1) {
157 /* Just writing one 512 byte block */
158 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
159 (unsigned char *)config_block) != 1) {
166 /* Switch back to regular eMMC user partition */
167 blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
173 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
174 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
176 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
177 struct mtd_info *mtd = get_nand_dev_by_index(0);
182 /* Read production parameter config block from NAND page */
183 return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
184 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
188 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
190 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
192 /* Write production parameter config block to NAND page */
193 return nand_write_skip_bad(get_nand_dev_by_index(0),
194 CONFIG_TDX_CFG_BLOCK_OFFSET,
195 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
196 config_block, WITH_WR_VERIFY);
200 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
201 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
203 /* Read production parameter config block from NOR flash */
204 memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
205 TDX_CFG_BLOCK_MAX_SIZE);
209 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
211 /* Write production parameter config block to NOR flash */
212 return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
213 TDX_CFG_BLOCK_MAX_SIZE);
217 int read_tdx_cfg_block(void)
220 u8 *config_block = NULL;
221 struct toradex_tag *tag;
222 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
225 /* Allocate RAM area for config block */
226 config_block = memalign(ARCH_DMA_MINALIGN, size);
228 printf("Not enough malloc space available!\n");
232 memset(config_block, 0, size);
234 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
235 ret = tdx_cfg_block_mmc_storage(config_block, 0);
236 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
237 ret = read_tdx_cfg_block_from_nand(config_block);
238 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
239 ret = read_tdx_cfg_block_from_nor(config_block);
246 /* Expect a valid tag first */
247 tag = (struct toradex_tag *)config_block;
248 if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
249 valid_cfgblock = false;
253 valid_cfgblock = true;
256 while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
257 tag = (struct toradex_tag *)(config_block + offset);
259 if (tag->id == TAG_INVALID)
262 if (tag->flags == TAG_FLAG_VALID) {
265 memcpy(&tdx_eth_addr, config_block + offset,
268 /* NIC part of MAC address is serial number */
269 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
272 memcpy(&tdx_hw_tag, config_block + offset, 8);
277 /* Get to next tag according to current tags length */
278 offset += tag->len * 4;
281 /* Cap product id to avoid issues with a yet unknown one */
282 if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
283 sizeof(toradex_modules[0])))
284 tdx_hw_tag.prodid = 0;
291 static int get_cfgblock_interactive(void)
293 char message[CONFIG_SYS_CBSIZE];
299 /* Unknown module by default */
300 tdx_hw_tag.prodid = 0;
303 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
305 sprintf(message, "Is the module an IT version? [y/N] ");
306 len = cli_readline(message);
307 it = console_buffer[0];
309 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
310 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
311 defined(CONFIG_TARGET_COLIBRI_IMX8X)
312 sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
313 len = cli_readline(message);
314 wb = console_buffer[0];
317 soc = env_get("soc");
318 if (!strcmp("mx6", soc)) {
319 #ifdef CONFIG_TARGET_APALIS_IMX6
320 if (it == 'y' || it == 'Y') {
321 if (is_cpu_type(MXC_CPU_MX6Q))
322 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
324 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
326 if (is_cpu_type(MXC_CPU_MX6Q))
327 tdx_hw_tag.prodid = APALIS_IMX6Q;
329 tdx_hw_tag.prodid = APALIS_IMX6D;
331 #elif CONFIG_TARGET_COLIBRI_IMX6
332 if (it == 'y' || it == 'Y') {
333 if (is_cpu_type(MXC_CPU_MX6DL))
334 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
335 else if (is_cpu_type(MXC_CPU_MX6SOLO))
336 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
338 if (is_cpu_type(MXC_CPU_MX6DL))
339 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
340 else if (is_cpu_type(MXC_CPU_MX6SOLO))
341 tdx_hw_tag.prodid = COLIBRI_IMX6S;
343 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
344 if (it == 'y' || it == 'Y') {
345 if (wb == 'y' || wb == 'Y')
346 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
348 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
350 if (wb == 'y' || wb == 'Y')
351 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
353 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
356 } else if (!strcmp("imx7d", soc))
357 tdx_hw_tag.prodid = COLIBRI_IMX7D;
358 else if (!strcmp("imx7s", soc))
359 tdx_hw_tag.prodid = COLIBRI_IMX7S;
360 else if (is_cpu_type(MXC_CPU_IMX8QM)) {
361 if (it == 'y' || it == 'Y') {
362 if (wb == 'y' || wb == 'Y')
363 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
365 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
367 if (wb == 'y' || wb == 'Y')
368 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
370 tdx_hw_tag.prodid = APALIS_IMX8QP;
372 } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
373 if (it == 'y' || it == 'Y') {
374 if (wb == 'y' || wb == 'Y')
375 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
377 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
379 if (wb == 'y' || wb == 'Y')
380 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
382 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
384 } else if (!strcmp("tegra20", soc)) {
385 if (it == 'y' || it == 'Y')
386 if (gd->ram_size == 0x10000000)
387 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
389 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
391 if (gd->ram_size == 0x10000000)
392 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
394 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
395 } else if (cpu_is_pxa27x()) {
396 if (it == 'y' || it == 'Y')
397 tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
399 tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
401 #ifdef CONFIG_MACH_TYPE
402 else if (!strcmp("tegra30", soc)) {
403 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
404 if (it == 'y' || it == 'Y')
405 tdx_hw_tag.prodid = APALIS_T30_IT;
407 if (gd->ram_size == 0x40000000)
408 tdx_hw_tag.prodid = APALIS_T30_1GB;
410 tdx_hw_tag.prodid = APALIS_T30_2GB;
412 if (it == 'y' || it == 'Y')
413 tdx_hw_tag.prodid = COLIBRI_T30_IT;
415 tdx_hw_tag.prodid = COLIBRI_T30;
418 #endif /* CONFIG_MACH_TYPE */
419 else if (!strcmp("tegra124", soc)) {
420 tdx_hw_tag.prodid = APALIS_TK1_2GB;
421 } else if (!strcmp("vf500", soc)) {
422 if (it == 'y' || it == 'Y')
423 tdx_hw_tag.prodid = COLIBRI_VF50_IT;
425 tdx_hw_tag.prodid = COLIBRI_VF50;
426 } else if (!strcmp("vf610", soc)) {
427 if (it == 'y' || it == 'Y')
428 tdx_hw_tag.prodid = COLIBRI_VF61_IT;
430 tdx_hw_tag.prodid = COLIBRI_VF61;
433 if (!tdx_hw_tag.prodid) {
434 printf("Module type not detectable due to unknown SoC\n");
439 sprintf(message, "Enter the module version (e.g. V1.1B): V");
440 len = cli_readline(message);
443 tdx_hw_tag.ver_major = console_buffer[0] - '0';
444 tdx_hw_tag.ver_minor = console_buffer[2] - '0';
445 tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
447 if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
448 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
449 COLIBRI_PXA270_V1_312MHZ);
452 sprintf(message, "Enter module serial number: ");
453 len = cli_readline(message);
456 tdx_serial = simple_strtoul(console_buffer, NULL, 10);
461 static int get_cfgblock_barcode(char *barcode)
463 if (strlen(barcode) < 16) {
464 printf("Argument too short, barcode is 16 chars long\n");
468 /* Get hardware information from the first 8 digits */
469 tdx_hw_tag.ver_major = barcode[4] - '0';
470 tdx_hw_tag.ver_minor = barcode[5] - '0';
471 tdx_hw_tag.ver_assembly = barcode[7] - '0';
474 tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
476 /* Parse second part of the barcode (serial number */
478 tdx_serial = simple_strtoul(barcode, NULL, 10);
483 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
487 struct toradex_tag *tag;
488 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
490 int ret = CMD_RET_SUCCESS;
492 int force_overwrite = 0;
494 /* Allocate RAM area for config block */
495 config_block = memalign(ARCH_DMA_MINALIGN, size);
497 printf("Not enough malloc space available!\n");
498 return CMD_RET_FAILURE;
501 memset(config_block, 0xff, size);
504 if (argv[2][0] == '-' && argv[2][1] == 'y')
508 read_tdx_cfg_block();
509 if (valid_cfgblock) {
510 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
512 * On NAND devices, recreation is only allowed if the page is
513 * empty (config block invalid...)
515 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
516 CONFIG_TDX_CFG_BLOCK_OFFSET /
517 get_nand_dev_by_index(0)->erasesize);
519 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
521 * On NOR devices, recreation is only allowed if the sector is
522 * empty and write protection is off (config block invalid...)
524 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
525 CONFIG_TDX_CFG_BLOCK_OFFSET);
528 if (!force_overwrite) {
529 char message[CONFIG_SYS_CBSIZE];
532 "A valid Toradex config block is present, still recreate? [y/N] ");
534 if (!cli_readline(message))
537 if (console_buffer[0] != 'y' &&
538 console_buffer[0] != 'Y')
544 /* Parse new Toradex config block data... */
545 if (argc < 3 || (force_overwrite && argc < 4)) {
546 err = get_cfgblock_interactive();
549 err = get_cfgblock_barcode(argv[3]);
551 err = get_cfgblock_barcode(argv[2]);
554 ret = CMD_RET_FAILURE;
558 /* Convert serial number to MAC address (the storage format) */
559 tdx_eth_addr.oui = htonl(0x00142dUL << 8);
560 tdx_eth_addr.nic = htonl(tdx_serial << 8);
563 tag = (struct toradex_tag *)config_block;
565 tag->flags = TAG_FLAG_VALID;
570 tag = (struct toradex_tag *)(config_block + offset);
572 tag->flags = TAG_FLAG_VALID;
576 memcpy(config_block + offset, &tdx_hw_tag, 8);
580 tag = (struct toradex_tag *)(config_block + offset);
582 tag->flags = TAG_FLAG_VALID;
586 memcpy(config_block + offset, &tdx_eth_addr, 6);
588 memset(config_block + offset, 0, 32 - offset);
590 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
591 err = tdx_cfg_block_mmc_storage(config_block, 1);
592 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
593 err = write_tdx_cfg_block_to_nand(config_block);
594 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
595 err = write_tdx_cfg_block_to_nor(config_block);
600 printf("Failed to write Toradex config block: %d\n", ret);
601 ret = CMD_RET_FAILURE;
605 printf("Toradex config block successfully written\n");
612 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
618 return CMD_RET_USAGE;
620 if (!strcmp(argv[1], "create")) {
621 return do_cfgblock_create(cmdtp, flag, argc, argv);
622 } else if (!strcmp(argv[1], "reload")) {
623 ret = read_tdx_cfg_block();
625 printf("Failed to reload Toradex config block: %d\n",
627 return CMD_RET_FAILURE;
629 return CMD_RET_SUCCESS;
632 return CMD_RET_USAGE;
635 U_BOOT_CMD(cfgblock, 4, 0, do_cfgblock,
636 "Toradex config block handling commands",
637 "create [-y] [barcode] - (Re-)create Toradex config block\n"
638 "cfgblock reload - Reload Toradex config block from flash"