2 * Copyright (c) 2016 Toradex, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
8 #include "tdx-cfg-block.h"
10 #if defined(CONFIG_TARGET_APALIS_IMX6) || defined(CONFIG_TARGET_COLIBRI_IMX6)
11 #include <asm/arch/sys_proto.h>
13 #define is_cpu_type(cpu) (0)
15 #if defined(CONFIG_CPU_PXA27X)
16 #include <asm/arch-pxa/pxa.h>
18 #define cpu_is_pxa27x(cpu) (0)
27 DECLARE_GLOBAL_DATA_PTR
;
29 #define TAG_VALID 0xcf01
30 #define TAG_MAC 0x0000
32 #define TAG_INVALID 0xffff
34 #define TAG_FLAG_VALID 0x1
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
43 #error Toradex config block location not set
53 struct toradex_hw tdx_hw_tag
;
54 struct toradex_eth_addr tdx_eth_addr
;
57 const 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",
96 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
97 static int tdx_cfg_block_mmc_storage(u8
*config_block
, int write
)
100 int dev
= CONFIG_TDX_CFG_BLOCK_DEV
;
101 int offset
= CONFIG_TDX_CFG_BLOCK_OFFSET
;
102 uint part
= CONFIG_TDX_CFG_BLOCK_PART
;
106 /* Read production parameter config block from eMMC */
107 mmc
= find_mmc_device(dev
);
109 puts("No MMC card found\n");
113 if (part
!= mmc
->block_dev
.hwpart
) {
114 if (blk_select_hwpart_devnum(IF_TYPE_MMC
, dev
, part
)) {
115 puts("MMC partition switch failed\n");
121 offset
+= mmc
->capacity
;
122 blk_start
= ALIGN(offset
, mmc
->write_bl_len
) / mmc
->write_bl_len
;
125 /* Careful reads a whole block of 512 bytes into config_block */
126 if (blk_dread(mmc_get_blk_desc(mmc
), blk_start
, 1,
127 (unsigned char *)config_block
) != 1) {
131 /* Flush cache after read */
132 flush_cache((ulong
)(unsigned char *)config_block
, 512);
134 /* Just writing one 512 byte block */
135 if (blk_dwrite(mmc_get_blk_desc(mmc
), blk_start
, 1,
136 (unsigned char *)config_block
) != 1) {
143 /* Switch back to regular eMMC user partition */
144 blk_select_hwpart_devnum(IF_TYPE_MMC
, 0, 0);
150 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
151 static int read_tdx_cfg_block_from_nand(unsigned char *config_block
)
153 size_t size
= TDX_CFG_BLOCK_MAX_SIZE
;
155 /* Read production parameter config block from NAND page */
156 return nand_read_skip_bad(nand_info
[0], CONFIG_TDX_CFG_BLOCK_OFFSET
,
157 &size
, NULL
, TDX_CFG_BLOCK_MAX_SIZE
, config_block
);
160 static int write_tdx_cfg_block_to_nand(unsigned char *config_block
)
162 size_t size
= TDX_CFG_BLOCK_MAX_SIZE
;
164 /* Write production parameter config block to NAND page */
165 return nand_write_skip_bad(nand_info
[0], CONFIG_TDX_CFG_BLOCK_OFFSET
,
166 &size
, NULL
, TDX_CFG_BLOCK_MAX_SIZE
,
167 config_block
, WITH_WR_VERIFY
);
171 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
172 static int read_tdx_cfg_block_from_nor(unsigned char *config_block
)
174 /* Read production parameter config block from NOR flash */
175 memcpy(config_block
, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET
,
176 TDX_CFG_BLOCK_MAX_SIZE
);
180 static int write_tdx_cfg_block_to_nor(unsigned char *config_block
)
182 /* Write production parameter config block to NOR flash */
183 return flash_write((void *)config_block
, CONFIG_TDX_CFG_BLOCK_OFFSET
,
184 TDX_CFG_BLOCK_MAX_SIZE
);
188 int read_tdx_cfg_block(void)
191 u8
*config_block
= NULL
;
192 struct toradex_tag
*tag
;
193 size_t size
= TDX_CFG_BLOCK_MAX_SIZE
;
196 /* Allocate RAM area for config block */
197 config_block
= memalign(ARCH_DMA_MINALIGN
, size
);
199 printf("Not enough malloc space available!\n");
203 memset(config_block
, 0, size
);
205 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
206 ret
= tdx_cfg_block_mmc_storage(config_block
, 0);
207 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
208 ret
= read_tdx_cfg_block_from_nand(config_block
);
209 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
210 ret
= read_tdx_cfg_block_from_nor(config_block
);
217 /* Expect a valid tag first */
218 tag
= (struct toradex_tag
*)config_block
;
219 if (tag
->flags
!= TAG_FLAG_VALID
|| tag
->id
!= TAG_VALID
) {
220 valid_cfgblock
= false;
224 valid_cfgblock
= true;
227 while (offset
< TDX_CFG_BLOCK_MAX_SIZE
) {
228 tag
= (struct toradex_tag
*)(config_block
+ offset
);
230 if (tag
->id
== TAG_INVALID
)
233 if (tag
->flags
== TAG_FLAG_VALID
) {
236 memcpy(&tdx_eth_addr
, config_block
+ offset
,
239 /* NIC part of MAC address is serial number */
240 tdx_serial
= ntohl(tdx_eth_addr
.nic
) >> 8;
243 memcpy(&tdx_hw_tag
, config_block
+ offset
, 8);
248 /* Get to next tag according to current tags length */
249 offset
+= tag
->len
* 4;
252 /* Cap product id to avoid issues with a yet unknown one */
253 if (tdx_hw_tag
.prodid
> (sizeof(toradex_modules
) /
254 sizeof(toradex_modules
[0])))
255 tdx_hw_tag
.prodid
= 0;
262 static int get_cfgblock_interactive(void)
264 char message
[CONFIG_SYS_CBSIZE
];
270 sprintf(message
, "Is the module the 312 MHz version? [y/N] ");
272 sprintf(message
, "Is the module an IT version? [y/N] ");
274 len
= cli_readline(message
);
275 it
= console_buffer
[0];
278 if (!strcmp("mx6", soc
)) {
279 #ifdef CONFIG_MACH_TYPE
280 if (it
== 'y' || it
== 'Y')
281 if (is_cpu_type(MXC_CPU_MX6Q
))
282 tdx_hw_tag
.prodid
= APALIS_IMX6Q_IT
;
284 tdx_hw_tag
.prodid
= APALIS_IMX6D_IT
;
286 if (is_cpu_type(MXC_CPU_MX6Q
))
287 tdx_hw_tag
.prodid
= APALIS_IMX6Q
;
289 tdx_hw_tag
.prodid
= APALIS_IMX6D
;
291 if (it
== 'y' || it
== 'Y')
292 if (is_cpu_type(MXC_CPU_MX6DL
))
293 tdx_hw_tag
.prodid
= COLIBRI_IMX6DL_IT
;
295 tdx_hw_tag
.prodid
= COLIBRI_IMX6S_IT
;
297 if (is_cpu_type(MXC_CPU_MX6DL
))
298 tdx_hw_tag
.prodid
= COLIBRI_IMX6DL
;
300 tdx_hw_tag
.prodid
= COLIBRI_IMX6S
;
301 #endif /* CONFIG_MACH_TYPE */
302 } else if (!strcmp("imx7d", soc
)) {
303 tdx_hw_tag
.prodid
= COLIBRI_IMX7D
;
304 } else if (!strcmp("imx7s", soc
)) {
305 tdx_hw_tag
.prodid
= COLIBRI_IMX7S
;
306 } else if (!strcmp("tegra20", soc
)) {
307 if (it
== 'y' || it
== 'Y')
308 if (gd
->ram_size
== 0x10000000)
309 tdx_hw_tag
.prodid
= COLIBRI_T20_256MB_IT
;
311 tdx_hw_tag
.prodid
= COLIBRI_T20_512MB_IT
;
313 if (gd
->ram_size
== 0x10000000)
314 tdx_hw_tag
.prodid
= COLIBRI_T20_256MB
;
316 tdx_hw_tag
.prodid
= COLIBRI_T20_512MB
;
317 } else if (cpu_is_pxa27x()) {
318 if (it
== 'y' || it
== 'Y')
319 tdx_hw_tag
.prodid
= COLIBRI_PXA270_312MHZ
;
321 tdx_hw_tag
.prodid
= COLIBRI_PXA270_520MHZ
;
322 #ifdef CONFIG_MACH_TYPE
323 } else if (!strcmp("tegra30", soc
)) {
324 if (CONFIG_MACH_TYPE
== MACH_TYPE_APALIS_T30
) {
325 if (it
== 'y' || it
== 'Y')
326 tdx_hw_tag
.prodid
= APALIS_T30_IT
;
328 if (gd
->ram_size
== 0x40000000)
329 tdx_hw_tag
.prodid
= APALIS_T30_1GB
;
331 tdx_hw_tag
.prodid
= APALIS_T30_2GB
;
333 if (it
== 'y' || it
== 'Y')
334 tdx_hw_tag
.prodid
= COLIBRI_T30_IT
;
336 tdx_hw_tag
.prodid
= COLIBRI_T30
;
338 #endif /* CONFIG_MACH_TYPE */
339 } else if (!strcmp("tegra124", soc
)) {
340 tdx_hw_tag
.prodid
= APALIS_TK1_2GB
;
341 } else if (!strcmp("vf500", soc
)) {
342 if (it
== 'y' || it
== 'Y')
343 tdx_hw_tag
.prodid
= COLIBRI_VF50_IT
;
345 tdx_hw_tag
.prodid
= COLIBRI_VF50
;
346 } else if (!strcmp("vf610", soc
)) {
347 if (it
== 'y' || it
== 'Y')
348 tdx_hw_tag
.prodid
= COLIBRI_VF61_IT
;
350 tdx_hw_tag
.prodid
= COLIBRI_VF61
;
352 printf("Module type not detectable due to unknown SoC\n");
357 sprintf(message
, "Enter the module version (e.g. V1.1B): V");
358 len
= cli_readline(message
);
361 tdx_hw_tag
.ver_major
= console_buffer
[0] - '0';
362 tdx_hw_tag
.ver_minor
= console_buffer
[2] - '0';
363 tdx_hw_tag
.ver_assembly
= console_buffer
[3] - 'A';
365 if (cpu_is_pxa27x() && (tdx_hw_tag
.ver_major
== 1))
366 tdx_hw_tag
.prodid
-= (COLIBRI_PXA270_312MHZ
-
367 COLIBRI_PXA270_V1_312MHZ
);
370 sprintf(message
, "Enter module serial number: ");
371 len
= cli_readline(message
);
374 tdx_serial
= simple_strtoul(console_buffer
, NULL
, 10);
379 static int get_cfgblock_barcode(char *barcode
)
381 if (strlen(barcode
) < 16) {
382 printf("Argument too short, barcode is 16 chars long\n");
386 /* Get hardware information from the first 8 digits */
387 tdx_hw_tag
.ver_major
= barcode
[4] - '0';
388 tdx_hw_tag
.ver_minor
= barcode
[5] - '0';
389 tdx_hw_tag
.ver_assembly
= barcode
[7] - '0';
392 tdx_hw_tag
.prodid
= simple_strtoul(barcode
, NULL
, 10);
394 /* Parse second part of the barcode (serial number */
396 tdx_serial
= simple_strtoul(barcode
, NULL
, 10);
401 static int do_cfgblock_create(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
405 struct toradex_tag
*tag
;
406 size_t size
= TDX_CFG_BLOCK_MAX_SIZE
;
408 int ret
= CMD_RET_SUCCESS
;
411 /* Allocate RAM area for config block */
412 config_block
= memalign(ARCH_DMA_MINALIGN
, size
);
414 printf("Not enough malloc space available!\n");
415 return CMD_RET_FAILURE
;
418 memset(config_block
, 0xff, size
);
420 read_tdx_cfg_block();
421 if (valid_cfgblock
) {
422 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
424 * On NAND devices, recreation is only allowed if the page is
425 * empty (config block invalid...)
427 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
428 CONFIG_TDX_CFG_BLOCK_OFFSET
/ nand_info
[0]->erasesize
);
430 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
432 * On NOR devices, recreation is only allowed if the sector is
433 * empty and write protection is off (config block invalid...)
435 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
436 CONFIG_TDX_CFG_BLOCK_OFFSET
);
439 char message
[CONFIG_SYS_CBSIZE
];
441 "A valid Toradex config block is present, still recreate? [y/N] ");
443 if (!cli_readline(message
))
446 if (console_buffer
[0] != 'y' && console_buffer
[0] != 'Y')
451 /* Parse new Toradex config block data... */
453 err
= get_cfgblock_interactive();
455 err
= get_cfgblock_barcode(argv
[2]);
458 ret
= CMD_RET_FAILURE
;
462 /* Convert serial number to MAC address (the storage format) */
463 tdx_eth_addr
.oui
= htonl(0x00142dUL
<< 8);
464 tdx_eth_addr
.nic
= htonl(tdx_serial
<< 8);
467 tag
= (struct toradex_tag
*)config_block
;
469 tag
->flags
= TAG_FLAG_VALID
;
474 tag
= (struct toradex_tag
*)(config_block
+ offset
);
476 tag
->flags
= TAG_FLAG_VALID
;
480 memcpy(config_block
+ offset
, &tdx_hw_tag
, 8);
484 tag
= (struct toradex_tag
*)(config_block
+ offset
);
486 tag
->flags
= TAG_FLAG_VALID
;
490 memcpy(config_block
+ offset
, &tdx_eth_addr
, 6);
492 memset(config_block
+ offset
, 0, 32 - offset
);
494 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
495 err
= tdx_cfg_block_mmc_storage(config_block
, 1);
496 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
497 err
= write_tdx_cfg_block_to_nand(config_block
);
498 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
499 err
= write_tdx_cfg_block_to_nor(config_block
);
504 printf("Failed to write Toradex config block: %d\n", ret
);
505 ret
= CMD_RET_FAILURE
;
509 printf("Toradex config block successfully written\n");
516 static int do_cfgblock(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
522 return CMD_RET_USAGE
;
524 if (!strcmp(argv
[1], "create")) {
525 return do_cfgblock_create(cmdtp
, flag
, argc
, argv
);
526 } else if (!strcmp(argv
[1], "reload")) {
527 ret
= read_tdx_cfg_block();
529 printf("Failed to reload Toradex config block: %d\n",
531 return CMD_RET_FAILURE
;
533 return CMD_RET_SUCCESS
;
536 return CMD_RET_USAGE
;
540 cfgblock
, 3, 0, do_cfgblock
,
541 "Toradex config block handling commands",
542 "create [barcode] - (Re-)create Toradex config block\n"
543 "cfgblock reload - Reload Toradex config block from flash"