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_COLIBRI_IMX6) || \
11 defined(CONFIG_TARGET_COLIBRI_IMX8QXP)
12 #include <asm/arch/sys_proto.h>
14 #define is_cpu_type(cpu) (0)
16 #if defined(CONFIG_CPU_PXA27X)
17 #include <asm/arch-pxa/pxa.h>
19 #define cpu_is_pxa27x(cpu) (0)
27 #include <asm/mach-types.h>
29 DECLARE_GLOBAL_DATA_PTR;
31 #define TAG_VALID 0xcf01
32 #define TAG_MAC 0x0000
34 #define TAG_INVALID 0xffff
36 #define TAG_FLAG_VALID 0x1
38 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
39 #define TDX_CFG_BLOCK_MAX_SIZE 512
40 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
41 #define TDX_CFG_BLOCK_MAX_SIZE 64
42 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
43 #define TDX_CFG_BLOCK_MAX_SIZE 64
45 #error Toradex config block location not set
55 struct toradex_hw tdx_hw_tag;
56 struct toradex_eth_addr tdx_eth_addr;
59 const char * const toradex_modules[] = {
60 [0] = "UNKNOWN MODULE",
61 [1] = "Colibri PXA270 312MHz",
62 [2] = "Colibri PXA270 520MHz",
63 [3] = "Colibri PXA320 806MHz",
64 [4] = "Colibri PXA300 208MHz",
65 [5] = "Colibri PXA310 624MHz",
66 [6] = "Colibri PXA320 806MHz IT",
67 [7] = "Colibri PXA300 208MHz XT",
68 [8] = "Colibri PXA270 312MHz",
69 [9] = "Colibri PXA270 520MHz",
70 [10] = "Colibri VF50 128MB", /* not currently on sale */
71 [11] = "Colibri VF61 256MB",
72 [12] = "Colibri VF61 256MB IT",
73 [13] = "Colibri VF50 128MB IT",
74 [14] = "Colibri iMX6 Solo 256MB",
75 [15] = "Colibri iMX6 DualLite 512MB",
76 [16] = "Colibri iMX6 Solo 256MB IT",
77 [17] = "Colibri iMX6 DualLite 512MB IT",
78 [18] = "UNKNOWN MODULE",
79 [19] = "UNKNOWN MODULE",
80 [20] = "Colibri T20 256MB",
81 [21] = "Colibri T20 512MB",
82 [22] = "Colibri T20 512MB IT",
83 [23] = "Colibri T30 1GB",
84 [24] = "Colibri T20 256MB IT",
85 [25] = "Apalis T30 2GB",
86 [26] = "Apalis T30 1GB",
87 [27] = "Apalis iMX6 Quad 1GB",
88 [28] = "Apalis iMX6 Quad 2GB IT",
89 [29] = "Apalis iMX6 Dual 512MB",
90 [30] = "Colibri T30 1GB IT",
91 [31] = "Apalis T30 1GB IT",
92 [32] = "Colibri iMX7 Solo 256MB",
93 [33] = "Colibri iMX7 Dual 512MB",
94 [34] = "Apalis TK1 2GB",
95 [35] = "Apalis iMX6 Dual 1GB IT",
96 [36] = "Colibri iMX6ULL 256MB",
97 [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
98 [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
99 [39] = "Colibri iMX7 Dual 1GB (eMMC)",
100 [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
101 [41] = "Colibri iMX7 Dual 512MB EPDC",
102 [42] = "Apalis TK1 4GB",
103 [43] = "Colibri T20 512MB IT SETEK",
104 [44] = "Colibri iMX6ULL 512MB IT",
105 [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
106 [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
107 [47] = "Apalis iMX8 QuadMax 4GB IT",
108 [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
109 [49] = "Apalis iMX8 QuadPlus 2GB",
110 [50] = "Colibri iMX8 QuadXPlus 2GB IT",
111 [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
112 [52] = "Colibri iMX8 DualX 1GB",
115 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
116 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
119 int dev = CONFIG_TDX_CFG_BLOCK_DEV;
120 int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
121 uint part = CONFIG_TDX_CFG_BLOCK_PART;
125 /* Read production parameter config block from eMMC */
126 mmc = find_mmc_device(dev);
128 puts("No MMC card found\n");
132 if (part != mmc_get_blk_desc(mmc)->hwpart) {
133 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
134 puts("MMC partition switch failed\n");
140 offset += mmc->capacity;
141 blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
144 /* Careful reads a whole block of 512 bytes into config_block */
145 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
146 (unsigned char *)config_block) != 1) {
151 /* Just writing one 512 byte block */
152 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
153 (unsigned char *)config_block) != 1) {
160 /* Switch back to regular eMMC user partition */
161 blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
167 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
168 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
170 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
171 struct mtd_info *mtd = get_nand_dev_by_index(0);
176 /* Read production parameter config block from NAND page */
177 return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
178 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
182 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
184 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
186 /* Write production parameter config block to NAND page */
187 return nand_write_skip_bad(get_nand_dev_by_index(0),
188 CONFIG_TDX_CFG_BLOCK_OFFSET,
189 &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
190 config_block, WITH_WR_VERIFY);
194 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
195 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
197 /* Read production parameter config block from NOR flash */
198 memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
199 TDX_CFG_BLOCK_MAX_SIZE);
203 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
205 /* Write production parameter config block to NOR flash */
206 return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
207 TDX_CFG_BLOCK_MAX_SIZE);
211 int read_tdx_cfg_block(void)
214 u8 *config_block = NULL;
215 struct toradex_tag *tag;
216 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
219 /* Allocate RAM area for config block */
220 config_block = memalign(ARCH_DMA_MINALIGN, size);
222 printf("Not enough malloc space available!\n");
226 memset(config_block, 0, size);
228 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
229 ret = tdx_cfg_block_mmc_storage(config_block, 0);
230 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
231 ret = read_tdx_cfg_block_from_nand(config_block);
232 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
233 ret = read_tdx_cfg_block_from_nor(config_block);
240 /* Expect a valid tag first */
241 tag = (struct toradex_tag *)config_block;
242 if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
243 valid_cfgblock = false;
247 valid_cfgblock = true;
250 while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
251 tag = (struct toradex_tag *)(config_block + offset);
253 if (tag->id == TAG_INVALID)
256 if (tag->flags == TAG_FLAG_VALID) {
259 memcpy(&tdx_eth_addr, config_block + offset,
262 /* NIC part of MAC address is serial number */
263 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
266 memcpy(&tdx_hw_tag, config_block + offset, 8);
271 /* Get to next tag according to current tags length */
272 offset += tag->len * 4;
275 /* Cap product id to avoid issues with a yet unknown one */
276 if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
277 sizeof(toradex_modules[0])))
278 tdx_hw_tag.prodid = 0;
285 static int get_cfgblock_interactive(void)
287 char message[CONFIG_SYS_CBSIZE];
292 /* Unknown module by default */
293 tdx_hw_tag.prodid = 0;
296 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
298 sprintf(message, "Is the module an IT version? [y/N] ");
300 len = cli_readline(message);
301 it = console_buffer[0];
303 soc = env_get("soc");
304 if (!strcmp("mx6", soc)) {
305 #ifdef CONFIG_TARGET_APALIS_IMX6
306 if (it == 'y' || it == 'Y') {
307 if (is_cpu_type(MXC_CPU_MX6Q))
308 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
310 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
312 if (is_cpu_type(MXC_CPU_MX6Q))
313 tdx_hw_tag.prodid = APALIS_IMX6Q;
315 tdx_hw_tag.prodid = APALIS_IMX6D;
317 #elif CONFIG_TARGET_COLIBRI_IMX6
318 if (it == 'y' || it == 'Y') {
319 if (is_cpu_type(MXC_CPU_MX6DL))
320 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
321 else if (is_cpu_type(MXC_CPU_MX6SOLO))
322 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
324 if (is_cpu_type(MXC_CPU_MX6DL))
325 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
326 else if (is_cpu_type(MXC_CPU_MX6SOLO))
327 tdx_hw_tag.prodid = COLIBRI_IMX6S;
329 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
332 sprintf(message, "Does the module have Wi-Fi / Bluetooth? " \
334 len = cli_readline(message);
335 wb = console_buffer[0];
336 if (it == 'y' || it == 'Y') {
337 if (wb == 'y' || wb == 'Y')
338 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
340 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
342 if (wb == 'y' || wb == 'Y')
343 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
345 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
348 } else if (!strcmp("imx7d", soc))
349 tdx_hw_tag.prodid = COLIBRI_IMX7D;
350 else if (!strcmp("imx7s", soc))
351 tdx_hw_tag.prodid = COLIBRI_IMX7S;
352 else if (is_cpu_type(MXC_CPU_IMX8QXP))
353 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
354 else if (!strcmp("tegra20", soc)) {
355 if (it == 'y' || it == 'Y')
356 if (gd->ram_size == 0x10000000)
357 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
359 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
361 if (gd->ram_size == 0x10000000)
362 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
364 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
365 } else if (cpu_is_pxa27x()) {
366 if (it == 'y' || it == 'Y')
367 tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
369 tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
371 #ifdef CONFIG_MACH_TYPE
372 else if (!strcmp("tegra30", soc)) {
373 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
374 if (it == 'y' || it == 'Y')
375 tdx_hw_tag.prodid = APALIS_T30_IT;
377 if (gd->ram_size == 0x40000000)
378 tdx_hw_tag.prodid = APALIS_T30_1GB;
380 tdx_hw_tag.prodid = APALIS_T30_2GB;
382 if (it == 'y' || it == 'Y')
383 tdx_hw_tag.prodid = COLIBRI_T30_IT;
385 tdx_hw_tag.prodid = COLIBRI_T30;
388 #endif /* CONFIG_MACH_TYPE */
389 else if (!strcmp("tegra124", soc)) {
390 tdx_hw_tag.prodid = APALIS_TK1_2GB;
391 } else if (!strcmp("vf500", soc)) {
392 if (it == 'y' || it == 'Y')
393 tdx_hw_tag.prodid = COLIBRI_VF50_IT;
395 tdx_hw_tag.prodid = COLIBRI_VF50;
396 } else if (!strcmp("vf610", soc)) {
397 if (it == 'y' || it == 'Y')
398 tdx_hw_tag.prodid = COLIBRI_VF61_IT;
400 tdx_hw_tag.prodid = COLIBRI_VF61;
403 if (!tdx_hw_tag.prodid) {
404 printf("Module type not detectable due to unknown SoC\n");
409 sprintf(message, "Enter the module version (e.g. V1.1B): V");
410 len = cli_readline(message);
413 tdx_hw_tag.ver_major = console_buffer[0] - '0';
414 tdx_hw_tag.ver_minor = console_buffer[2] - '0';
415 tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
417 if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
418 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
419 COLIBRI_PXA270_V1_312MHZ);
422 sprintf(message, "Enter module serial number: ");
423 len = cli_readline(message);
426 tdx_serial = simple_strtoul(console_buffer, NULL, 10);
431 static int get_cfgblock_barcode(char *barcode)
433 if (strlen(barcode) < 16) {
434 printf("Argument too short, barcode is 16 chars long\n");
438 /* Get hardware information from the first 8 digits */
439 tdx_hw_tag.ver_major = barcode[4] - '0';
440 tdx_hw_tag.ver_minor = barcode[5] - '0';
441 tdx_hw_tag.ver_assembly = barcode[7] - '0';
444 tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
446 /* Parse second part of the barcode (serial number */
448 tdx_serial = simple_strtoul(barcode, NULL, 10);
453 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
457 struct toradex_tag *tag;
458 size_t size = TDX_CFG_BLOCK_MAX_SIZE;
460 int ret = CMD_RET_SUCCESS;
462 int force_overwrite = 0;
464 /* Allocate RAM area for config block */
465 config_block = memalign(ARCH_DMA_MINALIGN, size);
467 printf("Not enough malloc space available!\n");
468 return CMD_RET_FAILURE;
471 memset(config_block, 0xff, size);
474 if (argv[2][0] == '-' && argv[2][1] == 'y')
478 read_tdx_cfg_block();
479 if (valid_cfgblock) {
480 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
482 * On NAND devices, recreation is only allowed if the page is
483 * empty (config block invalid...)
485 printf("NAND erase block %d need to be erased before creating" \
486 " a Toradex config block\n",
487 CONFIG_TDX_CFG_BLOCK_OFFSET /
488 get_nand_dev_by_index(0)->erasesize);
490 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
492 * On NOR devices, recreation is only allowed if the sector is
493 * empty and write protection is off (config block invalid...)
495 printf("NOR sector at offset 0x%02x need to be erased and " \
496 "unprotected before creating a Toradex config block\n",
497 CONFIG_TDX_CFG_BLOCK_OFFSET);
500 if (!force_overwrite) {
501 char message[CONFIG_SYS_CBSIZE];
504 "A valid Toradex config block is present, still recreate? [y/N] ");
506 if (!cli_readline(message))
509 if (console_buffer[0] != 'y' &&
510 console_buffer[0] != 'Y')
516 /* Parse new Toradex config block data... */
517 if (argc < 3 || (force_overwrite && argc < 4)) {
518 err = get_cfgblock_interactive();
521 err = get_cfgblock_barcode(argv[3]);
523 err = get_cfgblock_barcode(argv[2]);
526 ret = CMD_RET_FAILURE;
530 /* Convert serial number to MAC address (the storage format) */
531 tdx_eth_addr.oui = htonl(0x00142dUL << 8);
532 tdx_eth_addr.nic = htonl(tdx_serial << 8);
535 tag = (struct toradex_tag *)config_block;
537 tag->flags = TAG_FLAG_VALID;
542 tag = (struct toradex_tag *)(config_block + offset);
544 tag->flags = TAG_FLAG_VALID;
548 memcpy(config_block + offset, &tdx_hw_tag, 8);
552 tag = (struct toradex_tag *)(config_block + offset);
554 tag->flags = TAG_FLAG_VALID;
558 memcpy(config_block + offset, &tdx_eth_addr, 6);
560 memset(config_block + offset, 0, 32 - offset);
562 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
563 err = tdx_cfg_block_mmc_storage(config_block, 1);
564 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
565 err = write_tdx_cfg_block_to_nand(config_block);
566 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
567 err = write_tdx_cfg_block_to_nor(config_block);
572 printf("Failed to write Toradex config block: %d\n", ret);
573 ret = CMD_RET_FAILURE;
577 printf("Toradex config block successfully written\n");
584 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
590 return CMD_RET_USAGE;
592 if (!strcmp(argv[1], "create")) {
593 return do_cfgblock_create(cmdtp, flag, argc, argv);
594 } else if (!strcmp(argv[1], "reload")) {
595 ret = read_tdx_cfg_block();
597 printf("Failed to reload Toradex config block: %d\n",
599 return CMD_RET_FAILURE;
601 return CMD_RET_SUCCESS;
604 return CMD_RET_USAGE;
608 cfgblock, 4, 0, do_cfgblock,
609 "Toradex config block handling commands",
610 "create [-y] [barcode] - (Re-)create Toradex config block\n"
611 "cfgblock reload - Reload Toradex config block from flash"