1 /* 2 * This program is distributed in the hope that it will be useful, 3 * but WITHOUT ANY WARRANTY; without even the implied warranty of 4 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 5 * GNU General Public License for more details. 6 * 7 * You should have received a copy of the GNU General Public License 8 * along with this program; if not, write to the Free Software 9 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 10 */ 11 #include <stdlib.h> 12 #include <common.h> 13 #include <console.h> 14 #include <bootretry.h> 15 #include <cli.h> 16 #include <command.h> 17 #include <console.h> 18 #include <malloc.h> 19 #include <inttypes.h> 20 #include <mapmem.h> 21 #include <asm/io.h> 22 #include <linux/compiler.h> 23 24 DECLARE_GLOBAL_DATA_PTR; 25 26 #define OTP_PASSWD 0x349fe38a 27 #define RETRY 3 28 #define OTP_REGION_STRAP BIT(0) 29 #define OTP_REGION_CONF BIT(1) 30 #define OTP_REGION_DATA BIT(2) 31 32 #define OTP_USAGE -1 33 #define OTP_FAILURE -2 34 #define OTP_SUCCESS 0 35 36 #define OTP_PROG_SKIP 1 37 38 #define OTP_REG_RESERVED -1 39 #define OTP_REG_VALUE -2 40 #define OTP_REG_VALID_BIT -3 41 42 #define PBSTR "||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||" 43 #define PBWIDTH 60 44 45 struct otpstrap_status { 46 int value; 47 int option_array[7]; 48 int remain_times; 49 int writeable_option; 50 int protected; 51 }; 52 53 struct otpconf_parse { 54 int dw_offset; 55 int bit; 56 int length; 57 int value; 58 int keep; 59 char status[80]; 60 }; 61 62 struct otpstrap_info { 63 uint32_t bit_offset; 64 uint32_t length; 65 int value; 66 char information[80]; 67 }; 68 69 struct otpconf_info { 70 uint32_t dw_offset; 71 uint32_t bit_offset; 72 uint32_t length; 73 int value; 74 char information[80]; 75 }; 76 77 void printProgress(int numerator, int denominator, char *format, ...) 78 { 79 int val = numerator * 100 / denominator; 80 int lpad = numerator * PBWIDTH / denominator; 81 int rpad = PBWIDTH - lpad; 82 char buffer[256]; 83 va_list aptr; 84 85 va_start(aptr, format); 86 vsprintf(buffer, format, aptr); 87 va_end(aptr); 88 89 printf("\r%3d%% [%.*s%*s] %s", val, lpad, PBSTR, rpad, "", buffer); 90 if (numerator == denominator) 91 printf("\n"); 92 } 93 94 struct otpstrap_info a0_strap_info[] = { 95 { 0, 1, 0, "Disable secure boot" }, 96 { 0, 1, 1, "Enable secure boot" }, 97 { 1, 1, 0, "Disable boot from eMMC" }, 98 { 1, 1, 1, "Enable boot from eMMC" }, 99 { 2, 1, 0, "Disable Boot from debug SPI" }, 100 { 2, 1, 1, "Enable Boot from debug SPI" }, 101 { 3, 1, 0, "Enable ARM CM3" }, 102 { 3, 1, 1, "Disable ARM CM3" }, 103 { 4, 1, 0, "No VGA BISO ROM, VGA BIOS is merged in the system BIOS" }, 104 { 4, 1, 1, "Enable dedicated VGA BIOS ROM" }, 105 { 5, 1, 0, "MAC 1 : RMII/NCSI" }, 106 { 5, 1, 1, "MAC 1 : RGMII" }, 107 { 6, 1, 0, "MAC 2 : RMII/NCSI" }, 108 { 6, 1, 1, "MAC 2 : RGMII" }, 109 { 7, 3, 0, "CPU Frequency : 1GHz" }, 110 { 7, 3, 1, "CPU Frequency : 800MHz" }, 111 { 7, 3, 2, "CPU Frequency : 1.2GHz" }, 112 { 7, 3, 3, "CPU Frequency : 1.4GHz" }, 113 { 10, 2, 0, "HCLK ratio AXI:AHB = 2:1" }, 114 { 10, 2, 1, "HCLK ratio AXI:AHB = 2:1" }, 115 { 10, 2, 2, "HCLK ratio AXI:AHB = 3:1" }, 116 { 10, 2, 3, "HCLK ratio AXI:AHB = 4:1" }, 117 { 12, 2, 0, "VGA memory size : 8MB" }, 118 { 12, 2, 1, "VGA memory size : 16MB" }, 119 { 12, 2, 2, "VGA memory size : 32MB" }, 120 { 12, 2, 3, "VGA memory size : 64MB" }, 121 { 14, 3, OTP_REG_RESERVED, "" }, 122 { 17, 1, 0, "VGA class code : Class Code for video device" }, 123 { 17, 1, 1, "VGA class code : Class Code for VGA device" }, 124 { 18, 1, 0, "Enable debug interfaces 0" }, 125 { 18, 1, 1, "Disable debug interfaces 0" }, 126 { 19, 1, 0, "Boot from emmc mode : High eMMC speed" }, 127 { 19, 1, 1, "Boot from emmc mode : Normal eMMC speed" }, 128 { 20, 1, 0, "Enable Pcie EHCI device" }, 129 { 20, 1, 1, "Disable Pcie EHCI device" }, 130 { 21, 1, 0, "Enable VGA XDMA function" }, 131 { 21, 1, 1, "Disable VGA XDMA function" }, 132 { 22, 1, 0, "Normal BMC mode" }, 133 { 22, 1, 1, "Disable dedicated BMC functions for non-BMC application" }, 134 { 23, 1, 0, "SSPRST# pin is for secondary processor dedicated reset pin" }, 135 { 23, 1, 1, "SSPRST# pin is for PCIE root complex dedicated reset pin" }, 136 { 24, 1, 0, "DRAM types : DDR4" }, 137 { 24, 1, 1, "DRAM types : DDR3" }, 138 { 25, 5, OTP_REG_RESERVED, "" }, 139 { 30, 2, OTP_REG_RESERVED, "" }, 140 { 32, 1, 0, "MAC 3 : RMII/NCSI" }, 141 { 32, 1, 1, "MAC 3 : RGMII" }, 142 { 33, 1, 0, "MAC 4 : RMII/NCSI" }, 143 { 33, 1, 1, "MAC 4 : RGMII" }, 144 { 34, 1, 0, "SuperIO configuration address : 0x2E" }, 145 { 34, 1, 1, "SuperIO configuration address : 0x4E" }, 146 { 35, 1, 0, "Enable LPC to decode SuperIO" }, 147 { 35, 1, 1, "Disable LPC to decode SuperIO" }, 148 { 36, 1, 0, "Enable debug interfaces 1" }, 149 { 36, 1, 1, "Disable debug interfaces 1" }, 150 { 37, 1, 0, "Disable ACPI function" }, 151 { 37, 1, 1, "Enable ACPI function" }, 152 { 38, 1, 0, "Enable eSPI mode" }, 153 { 38, 1, 1, "Enable LPC mode" }, 154 { 39, 1, 0, "Enable SAFS mode" }, 155 { 39, 1, 1, "Enable SAFS mode" }, 156 { 40, 2, OTP_REG_RESERVED, "" }, 157 { 42, 1, 0, "Disable boot SPI 3B/4B address mode auto detection" }, 158 { 42, 1, 1, "Enable boot SPI 3B/4B address mode auto detection" }, 159 { 43, 1, 0, "Disable boot SPI ABR" }, 160 { 43, 1, 1, "Enable boot SPI ABR" }, 161 { 44, 1, 0, "Boot SPI ABR mode : dual SPI flash" }, 162 { 44, 1, 1, "Boot SPI ABR mode : single SPI flash" }, 163 { 45, 3, 0, "Boot SPI flash size : no define size" }, 164 { 45, 3, 1, "Boot SPI flash size : 2MB" }, 165 { 45, 3, 2, "Boot SPI flash size : 4MB" }, 166 { 45, 3, 3, "Boot SPI flash size : 8MB" }, 167 { 45, 3, 4, "Boot SPI flash size : 16MB" }, 168 { 45, 3, 5, "Boot SPI flash size : 32MB" }, 169 { 45, 3, 6, "Boot SPI flash size : 64MB" }, 170 { 45, 3, 7, "Boot SPI flash size : 128MB" }, 171 { 48, 1, 0, "Disable host SPI ABR" }, 172 { 48, 1, 1, "Enable host SPI ABR" }, 173 { 49, 1, 0, "Disable host SPI ABR mode select pin" }, 174 { 49, 1, 1, "Enable host SPI ABR mode select pin" }, 175 { 50, 1, 0, "Host SPI ABR mode : dual SPI flash" }, 176 { 50, 1, 1, "Host SPI ABR mode : single SPI flash" }, 177 { 51, 3, 0, "Host SPI flash size : no define size" }, 178 { 51, 3, 1, "Host SPI flash size : 2MB" }, 179 { 51, 3, 2, "Host SPI flash size : 4MB" }, 180 { 51, 3, 3, "Host SPI flash size : 8MB" }, 181 { 51, 3, 4, "Host SPI flash size : 16MB" }, 182 { 51, 3, 5, "Host SPI flash size : 32MB" }, 183 { 51, 3, 6, "Host SPI flash size : 64MB" }, 184 { 51, 3, 7, "Host SPI flash size : 128MB" }, 185 { 54, 1, 0, "Disable boot SPI auxiliary control pins" }, 186 { 54, 1, 1, "Enable boot SPI auxiliary control pins" }, 187 { 55, 2, 0, "Boot SPI CRTM size : disable CRTM" }, 188 { 55, 2, 1, "Boot SPI CRTM size : 256KB" }, 189 { 55, 2, 2, "Boot SPI CRTM size : 512KB" }, 190 { 55, 2, 3, "Boot SPI CRTM size : 1MB" }, 191 { 57, 2, 0, "Host SPI CRTM size : disable CRTM" }, 192 { 57, 2, 1, "Host SPI CRTM size : 256KB" }, 193 { 57, 2, 2, "Host SPI CRTM size : 512KB" }, 194 { 57, 2, 3, "Host SPI CRTM size : 1MB" }, 195 { 59, 1, 0, "Disable host SPI auxiliary control pins" }, 196 { 59, 1, 1, "Enable host SPI auxiliary control pins" }, 197 { 60, 1, 0, "Disable GPIO pass through" }, 198 { 60, 1, 1, "Enable GPIO pass through" }, 199 { 61, 1, 0, "Enable low security secure boot key" }, 200 { 61, 1, 1, "Disable low security secure boot key" }, 201 { 62, 1, 0, "Disable dedicate GPIO strap pins" }, 202 { 62, 1, 1, "Enable dedicate GPIO strap pins" }, 203 { 63, 1, OTP_REG_RESERVED, "" } 204 }; 205 struct otpconf_info a0_conf_info[] = { 206 { 0, 0, 1, 0, "Enable Secure Region programming" }, 207 { 0, 0, 1, 1, "Disable Secure Region programming" }, 208 { 0, 1, 1, 0, "Disable Secure Boot" }, 209 { 0, 1, 1, 1, "Enable Secure Boot" }, 210 { 0, 2, 1, 0, "Initialization programming not done" }, 211 { 0, 2, 1, 1, "Initialization programming done" }, 212 { 0, 3, 1, 0, "User region ECC disable" }, 213 { 0, 3, 1, 1, "User region ECC enable" }, 214 { 0, 4, 1, 0, "Secure Region ECC disable" }, 215 { 0, 4, 1, 1, "Secure Region ECC enable" }, 216 { 0, 5, 1, 0, "Enable low security key" }, 217 { 0, 5, 1, 1, "Disable low security key" }, 218 { 0, 6, 1, 0, "Do not ignore Secure Boot hardware strap" }, 219 { 0, 6, 1, 1, "Ignore Secure Boot hardware strap" }, 220 { 0, 7, 1, 0, "Secure Boot Mode: 1" }, 221 { 0, 7, 1, 1, "Secure Boot Mode: 2" }, 222 { 0, 8, 2, 0, "Single cell mode (recommended)" }, 223 { 0, 8, 2, 1, "Differnetial mode" }, 224 { 0, 8, 2, 2, "Differential-redundant mode" }, 225 { 0, 10, 2, 0, "RSA mode : RSA1024" }, 226 { 0, 10, 2, 1, "RSA mode : RSA2048" }, 227 { 0, 10, 2, 2, "RSA mode : RSA3072" }, 228 { 0, 10, 2, 3, "RSA mode : RSA4096" }, 229 { 0, 12, 2, 0, "SHA mode : SHA224" }, 230 { 0, 12, 2, 1, "SHA mode : SHA256" }, 231 { 0, 12, 2, 2, "SHA mode : SHA384" }, 232 { 0, 12, 2, 3, "SHA mode : SHA512" }, 233 { 0, 14, 2, OTP_REG_RESERVED, "" }, 234 { 0, 16, 6, OTP_REG_VALUE, "Secure Region size (DW): 0x%x" }, 235 { 0, 22, 1, 0, "Secure Region : Writable" }, 236 { 0, 22, 1, 1, "Secure Region : Write Protect" }, 237 { 0, 23, 1, 0, "User Region : Writable" }, 238 { 0, 23, 1, 1, "User Region : Write Protect" }, 239 { 0, 24, 1, 0, "Configure Region : Writable" }, 240 { 0, 24, 1, 1, "Configure Region : Write Protect" }, 241 { 0, 25, 1, 0, "OTP strap Region : Writable" }, 242 { 0, 25, 1, 1, "OTP strap Region : Write Protect" }, 243 { 0, 26, 1, 0, "Disable Copy Boot Image to Internal SRAM" }, 244 { 0, 26, 1, 1, "Copy Boot Image to Internal SRAM" }, 245 { 0, 27, 1, 0, "Disable image encryption" }, 246 { 0, 27, 1, 1, "Enable image encryption" }, 247 { 0, 28, 1, OTP_REG_RESERVED, "" }, 248 { 0, 29, 1, 0, "OTP key retire Region : Writable" }, 249 { 0, 29, 1, 1, "OTP key retire Region : Write Protect" }, 250 { 0, 30, 1, 0, "SIPROM RED_EN redundancy repair disable" }, 251 { 0, 30, 1, 1, "SIPROM RED_EN redundancy repair enable" }, 252 { 0, 31, 1, 0, "SIPROM Mlock memory lock disable" }, 253 { 0, 31, 1, 1, "SIPROM Mlock memory lock enable" }, 254 { 2, 0, 16, OTP_REG_VALUE, "Vender ID : 0x%x" }, 255 { 2, 16, 16, OTP_REG_VALUE, "Key Revision : 0x%x" }, 256 { 3, 0, 16, OTP_REG_VALUE, "Secure boot header offset : 0x%x" }, 257 { 4, 0, 8, OTP_REG_VALID_BIT, "Keys valid : %d" }, 258 { 4, 16, 8, OTP_REG_VALID_BIT, "Keys retire : %d" }, 259 { 5, 0, 32, OTP_REG_VALUE, "User define data, random number low : 0x%x" }, 260 { 6, 0, 32, OTP_REG_VALUE, "User define data, random number high : 0x%x" }, 261 { 7, 0, 1, 0, "Force enable PCI bus to AHB bus bridge" }, 262 { 7, 0, 1, 1, "Force disable PCI bus to AHB bus bridge" }, 263 { 7, 1, 1, 0, "Force enable UART5 debug port function" }, 264 { 7, 1, 1, 1, "Force disable UART5 debug port function" }, 265 { 7, 2, 1, 0, "Force enable XDMA function" }, 266 { 7, 2, 1, 1, "Force disable XDMA function" }, 267 { 7, 3, 1, 0, "Force enable APB to PCIE device bridge" }, 268 { 7, 3, 1, 1, "Force disable APB to PCIE device bridge" }, 269 { 7, 4, 1, 0, "Force enable APB to PCIE bridge config access" }, 270 { 7, 4, 1, 1, "Force disable APB to PCIE bridge config access" }, 271 { 7, 5, 1, 0, "Force enable PCIE bus trace buffer" }, 272 { 7, 5, 1, 1, "Force disable PCIE bus trace buffer" }, 273 { 7, 6, 1, 0, "Force enable the capability for PCIE device port as a Root Complex" }, 274 { 7, 6, 1, 1, "Force disable the capability for PCIE device port as a Root Complex" }, 275 { 7, 16, 1, 0, "Force enable ESPI bus to AHB bus bridge" }, 276 { 7, 16, 1, 1, "Force disable ESPI bus to AHB bus bridge" }, 277 { 7, 17, 1, 0, "Force enable LPC bus to AHB bus bridge1" }, 278 { 7, 17, 1, 1, "Force disable LPC bus to AHB bus bridge1" }, 279 { 7, 18, 1, 0, "Force enable LPC bus to AHB bus bridge2" }, 280 { 7, 18, 1, 1, "Force disable LPC bus to AHB bus bridge2" }, 281 { 7, 19, 1, 0, "Force enable UART1 debug port function" }, 282 { 7, 19, 1, 1, "Force disable UART1 debug port function" }, 283 { 7, 31, 1, 0, "Disable chip security setting" }, 284 { 7, 31, 1, 1, "Enable chip security setting" }, 285 { 8, 0, 32, OTP_REG_VALUE, "Redundancy Repair : 0x%x" }, 286 { 10, 0, 32, OTP_REG_VALUE, "Manifest ID low : 0x%x" }, 287 { 11, 0, 32, OTP_REG_VALUE, "Manifest ID high : 0x%x" } 288 }; 289 static void otp_read_data(uint32_t offset, uint32_t *data) 290 { 291 writel(offset, 0x1e6f2010); //Read address 292 writel(0x23b1e361, 0x1e6f2004); //trigger read 293 udelay(2); 294 data[0] = readl(0x1e6f2020); 295 data[1] = readl(0x1e6f2024); 296 } 297 298 static void otp_read_config(uint32_t offset, uint32_t *data) 299 { 300 int config_offset; 301 302 config_offset = 0x800; 303 config_offset |= (offset / 8) * 0x200; 304 config_offset |= (offset % 8) * 0x2; 305 306 writel(config_offset, 0x1e6f2010); //Read address 307 writel(0x23b1e361, 0x1e6f2004); //trigger read 308 udelay(2); 309 data[0] = readl(0x1e6f2020); 310 } 311 312 static int otp_print_config(uint32_t offset, int dw_count) 313 { 314 int i; 315 uint32_t ret[1]; 316 317 if (offset + dw_count > 32) 318 return OTP_USAGE; 319 for (i = offset; i < offset + dw_count; i ++) { 320 otp_read_config(i, ret); 321 printf("OTPCFG%X: %08X\n", i, ret[0]); 322 } 323 printf("\n"); 324 return OTP_SUCCESS; 325 } 326 327 static int otp_print_data(uint32_t offset, int dw_count) 328 { 329 int i; 330 uint32_t ret[2]; 331 332 if (offset + dw_count > 2048 || offset % 4 != 0) 333 return OTP_USAGE; 334 for (i = offset; i < offset + dw_count; i += 2) { 335 otp_read_data(i, ret); 336 if (i % 4 == 0) 337 printf("%03X: %08X %08X ", i * 4, ret[0], ret[1]); 338 else 339 printf("%08X %08X\n", ret[0], ret[1]); 340 341 } 342 printf("\n"); 343 return OTP_SUCCESS; 344 } 345 346 static int otp_compare(uint32_t otp_addr, uint32_t addr) 347 { 348 uint32_t ret; 349 uint32_t *buf; 350 351 buf = map_physmem(addr, 16, MAP_WRBACK); 352 printf("%08X\n", buf[0]); 353 printf("%08X\n", buf[1]); 354 printf("%08X\n", buf[2]); 355 printf("%08X\n", buf[3]); 356 writel(otp_addr, 0x1e6f2010); //Compare address 357 writel(buf[0], 0x1e6f2020); //Compare data 1 358 writel(buf[1], 0x1e6f2024); //Compare data 2 359 writel(buf[2], 0x1e6f2028); //Compare data 3 360 writel(buf[3], 0x1e6f202c); //Compare data 4 361 writel(0x23b1e363, 0x1e6f2004); //Compare command 362 udelay(10); 363 ret = readl(0x1e6f2014); //Compare command 364 if (ret & 0x1) 365 return 0; 366 else 367 return -1; 368 } 369 370 static void otp_write(uint32_t otp_addr, uint32_t data) 371 { 372 writel(otp_addr, 0x1e6f2010); //write address 373 writel(data, 0x1e6f2020); //write data 374 writel(0x23b1e362, 0x1e6f2004); //write command 375 udelay(100); 376 } 377 378 static void otp_prog(uint32_t otp_addr, uint32_t prog_bit) 379 { 380 writel(otp_addr, 0x1e6f2010); //write address 381 writel(prog_bit, 0x1e6f2020); //write data 382 writel(0x23b1e364, 0x1e6f2004); //write command 383 udelay(85); 384 } 385 386 static int verify_bit(uint32_t otp_addr, int bit_offset, int value) 387 { 388 int ret; 389 390 writel(otp_addr, 0x1e6f2010); //Read address 391 writel(0x23b1e361, 0x1e6f2004); //trigger read 392 udelay(2); 393 ret = readl(0x1e6f2020); 394 // printf("verify_bit = %x\n", ret); 395 if (((ret >> bit_offset) & 1) == value) 396 return 0; 397 else 398 return -1; 399 } 400 401 static uint32_t verify_dw(uint32_t otp_addr, uint32_t *value, uint32_t *keep, uint32_t *compare, int size) 402 { 403 uint32_t ret[2]; 404 405 otp_addr &= ~(1 << 15); 406 407 if (otp_addr % 2 == 0) 408 writel(otp_addr, 0x1e6f2010); //Read address 409 else 410 writel(otp_addr - 1, 0x1e6f2010); //Read address 411 writel(0x23b1e361, 0x1e6f2004); //trigger read 412 udelay(2); 413 ret[0] = readl(0x1e6f2020); 414 ret[1] = readl(0x1e6f2024); 415 if (size == 1) { 416 if (otp_addr % 2 == 0) { 417 // printf("check %x : %x = %x\n", otp_addr, ret[0], value[0]); 418 if ((value[0] & ~keep[0]) == (ret[0] & ~keep[0])) { 419 compare[0] = 0; 420 return 0; 421 } else { 422 compare[0] = value[0] ^ ret[0]; 423 return -1; 424 } 425 426 } else { 427 // printf("check %x : %x = %x\n", otp_addr, ret[1], value[0]); 428 if ((value[0] & ~keep[0]) == (ret[1] & ~keep[0])) { 429 compare[0] = ~0; 430 return 0; 431 } else { 432 compare[0] = ~(value[0] ^ ret[1]); 433 return -1; 434 } 435 } 436 } else if (size == 2) { 437 // otp_addr should be even 438 if ((value[0] & ~keep[0]) == (ret[0] & ~keep[0]) && (value[1] & ~keep[1]) == (ret[1] & ~keep[1])) { 439 // printf("check[0] %x : %x = %x\n", otp_addr, ret[0], value[0]); 440 // printf("check[1] %x : %x = %x\n", otp_addr, ret[1], value[1]); 441 compare[0] = 0; 442 compare[1] = ~0; 443 return 0; 444 } else { 445 // printf("check[0] %x : %x = %x\n", otp_addr, ret[0], value[0]); 446 // printf("check[1] %x : %x = %x\n", otp_addr, ret[1], value[1]); 447 compare[0] = value[0] ^ ret[0]; 448 compare[1] = ~(value[1] ^ ret[1]); 449 return -1; 450 } 451 } else { 452 return -1; 453 } 454 } 455 456 static void otp_soak(int soak) 457 { 458 if (soak) { 459 otp_write(0x3000, 0x4021); // Write MRA 460 otp_write(0x5000, 0x1027); // Write MRB 461 otp_write(0x1000, 0x4820); // Write MR 462 writel(0x041930d4, 0x1e602008); //soak program 463 } else { 464 otp_write(0x3000, 0x4061); // Write MRA 465 otp_write(0x5000, 0x302f); // Write MRB 466 otp_write(0x1000, 0x4020); // Write MR 467 writel(0x04190760, 0x1e602008); //normal program 468 } 469 } 470 471 static void otp_prog_dw(uint32_t value, uint32_t keep, uint32_t prog_address) 472 { 473 int j, bit_value, prog_bit; 474 475 for (j = 0; j < 32; j++) { 476 if ((keep >> j) & 0x1) 477 continue; 478 bit_value = (value >> j) & 0x1; 479 if (prog_address % 2 == 0) { 480 if (bit_value) 481 prog_bit = ~(0x1 << j); 482 else 483 continue; 484 } else { 485 prog_address |= 1 << 15; 486 if (bit_value) 487 continue; 488 else 489 prog_bit = 0x1 << j; 490 } 491 otp_prog(prog_address, prog_bit); 492 } 493 } 494 495 496 static void otp_strp_status(struct otpstrap_status *otpstrap) 497 { 498 uint32_t OTPSTRAP_RAW[2]; 499 int i, j; 500 501 for (j = 0; j < 64; j++) { 502 otpstrap[j].value = 0; 503 otpstrap[j].remain_times = 7; 504 otpstrap[j].writeable_option = -1; 505 otpstrap[j].protected = 0; 506 } 507 508 for (i = 16; i < 30; i += 2) { 509 int option = (i - 16) / 2; 510 otp_read_config(i, &OTPSTRAP_RAW[0]); 511 otp_read_config(i + 1, &OTPSTRAP_RAW[1]); 512 for (j = 0; j < 32; j++) { 513 char bit_value = ((OTPSTRAP_RAW[0] >> j) & 0x1); 514 if ((bit_value == 0) && (otpstrap[j].writeable_option == -1)) { 515 otpstrap[j].writeable_option = option; 516 } 517 if (bit_value == 1) 518 otpstrap[j].remain_times --; 519 otpstrap[j].value ^= bit_value; 520 otpstrap[j].option_array[option] = bit_value; 521 } 522 for (j = 32; j < 64; j++) { 523 char bit_value = ((OTPSTRAP_RAW[1] >> (j - 32)) & 0x1); 524 if ((bit_value == 0) && (otpstrap[j].writeable_option == -1)) { 525 otpstrap[j].writeable_option = option; 526 } 527 if (bit_value == 1) 528 otpstrap[j].remain_times --; 529 otpstrap[j].value ^= bit_value; 530 otpstrap[j].option_array[option] = bit_value; 531 } 532 } 533 otp_read_config(30, &OTPSTRAP_RAW[0]); 534 otp_read_config(31, &OTPSTRAP_RAW[1]); 535 for (j = 0; j < 32; j++) { 536 if (((OTPSTRAP_RAW[0] >> j) & 0x1) == 1) 537 otpstrap[j].protected = 1; 538 } 539 for (j = 32; j < 64; j++) { 540 if (((OTPSTRAP_RAW[1] >> (j - 32)) & 0x1) == 1) 541 otpstrap[j].protected = 1; 542 } 543 } 544 545 static int otp_print_conf_image(uint32_t *OTPCFG) 546 { 547 uint32_t *OTPCFG_KEEP = &OTPCFG[12]; 548 uint32_t mask; 549 uint32_t dw_offset; 550 uint32_t bit_offset; 551 uint32_t otp_value; 552 uint32_t otp_keep; 553 int fail = 0; 554 int valid_bit = 0; 555 int i; 556 557 printf("DW BIT Value Description\n"); 558 printf("__________________________________________________________________________\n"); 559 for (i = 0; i < ARRAY_SIZE(a0_conf_info); i++) { 560 dw_offset = a0_conf_info[i].dw_offset; 561 bit_offset = a0_conf_info[i].bit_offset; 562 mask = BIT(a0_conf_info[i].length) - 1; 563 otp_value = (OTPCFG[dw_offset] >> bit_offset) & mask; 564 otp_keep = (OTPCFG_KEEP[dw_offset] >> bit_offset) & mask; 565 566 if (otp_keep == mask) { 567 continue; 568 } else if (otp_keep != 0) { 569 fail = 1; 570 } 571 572 if ((otp_value != a0_conf_info[i].value) && 573 a0_conf_info[i].value != OTP_REG_RESERVED && 574 a0_conf_info[i].value != OTP_REG_VALUE && 575 a0_conf_info[i].value != OTP_REG_VALID_BIT) 576 continue; 577 printf("0x%-4X", dw_offset); 578 579 if (a0_conf_info[i].length == 1) { 580 printf("0x%-9X", a0_conf_info[i].bit_offset); 581 } else { 582 printf("0x%-2X:0x%-4X", 583 a0_conf_info[i].bit_offset + a0_conf_info[i].length - 1, 584 a0_conf_info[i].bit_offset); 585 } 586 printf("0x%-10x", otp_value); 587 588 if (fail) { 589 printf("Keep mask error\n"); 590 } else { 591 if (a0_conf_info[i].value == OTP_REG_RESERVED) { 592 printf("Reserved\n"); 593 } else if (a0_conf_info[i].value == OTP_REG_VALUE) { 594 printf(a0_conf_info[i].information, otp_value); 595 printf("\n"); 596 } else if (a0_conf_info[i].value == OTP_REG_VALID_BIT) { 597 if (otp_value != 0) { 598 for (i = 0; i < 7; i++) { 599 if (otp_value == (1 << i)) { 600 valid_bit = i + 1; 601 } 602 } 603 } else { 604 valid_bit = 0; 605 } 606 printf(a0_conf_info[i].information, valid_bit); 607 printf("\n"); 608 } else { 609 printf("%s\n", a0_conf_info[i].information); 610 } 611 } 612 } 613 614 if (fail) 615 return OTP_FAILURE; 616 617 return OTP_SUCCESS; 618 } 619 620 static int otp_print_conf_info(int input_offset) 621 { 622 uint32_t OTPCFG[12]; 623 uint32_t mask; 624 uint32_t dw_offset; 625 uint32_t bit_offset; 626 uint32_t otp_value; 627 int valid_bit = 0; 628 int i; 629 630 for (i = 0; i < 12; i++) 631 otp_read_config(i, &OTPCFG[i]); 632 633 634 printf("DW BIT Value Description\n"); 635 printf("__________________________________________________________________________\n"); 636 for (i = 0; i < ARRAY_SIZE(a0_conf_info); i++) { 637 if (input_offset != -1 && input_offset != a0_conf_info[i].dw_offset) 638 continue; 639 dw_offset = a0_conf_info[i].dw_offset; 640 bit_offset = a0_conf_info[i].bit_offset; 641 mask = BIT(a0_conf_info[i].length) - 1; 642 otp_value = (OTPCFG[dw_offset] >> bit_offset) & mask; 643 644 if ((otp_value != a0_conf_info[i].value) && 645 a0_conf_info[i].value != OTP_REG_RESERVED && 646 a0_conf_info[i].value != OTP_REG_VALUE && 647 a0_conf_info[i].value != OTP_REG_VALID_BIT) 648 continue; 649 printf("0x%-4X", dw_offset); 650 651 if (a0_conf_info[i].length == 1) { 652 printf("0x%-9X", a0_conf_info[i].bit_offset); 653 } else { 654 printf("0x%-2X:0x%-4X", 655 a0_conf_info[i].bit_offset + a0_conf_info[i].length - 1, 656 a0_conf_info[i].bit_offset); 657 } 658 printf("0x%-10x", otp_value); 659 660 if (a0_conf_info[i].value == OTP_REG_RESERVED) { 661 printf("Reserved\n"); 662 } else if (a0_conf_info[i].value == OTP_REG_VALUE) { 663 printf(a0_conf_info[i].information, otp_value); 664 printf("\n"); 665 } else if (a0_conf_info[i].value == OTP_REG_VALID_BIT) { 666 if (otp_value != 0) { 667 for (i = 0; i < 7; i++) { 668 if (otp_value == (1 << i)) { 669 valid_bit = i + 1; 670 } 671 } 672 } else { 673 valid_bit = 0; 674 } 675 printf(a0_conf_info[i].information, valid_bit); 676 printf("\n"); 677 } else { 678 printf("%s\n", a0_conf_info[i].information); 679 } 680 } 681 return OTP_SUCCESS; 682 } 683 684 static int otp_print_strap_image(uint32_t *OTPSTRAP) 685 { 686 uint32_t *OTPSTRAP_PRO = &OTPSTRAP[4]; 687 uint32_t *OTPSTRAP_KEEP = &OTPSTRAP[2]; 688 int i; 689 int fail = 0; 690 uint32_t bit_offset; 691 uint32_t dw_offset; 692 uint32_t mask; 693 uint32_t otp_value; 694 uint32_t otp_protect; 695 uint32_t otp_keep; 696 697 printf("BIT(hex) Value Protect Description\n"); 698 printf("__________________________________________________________________________________________\n"); 699 700 for (i = 0; i < ARRAY_SIZE(a0_strap_info); i++) { 701 if (a0_strap_info[i].bit_offset > 32) { 702 dw_offset = 1; 703 bit_offset = a0_strap_info[i].bit_offset - 32; 704 } else { 705 dw_offset = 0; 706 bit_offset = a0_strap_info[i].bit_offset; 707 } 708 709 mask = BIT(a0_strap_info[i].length) - 1; 710 otp_value = (OTPSTRAP[dw_offset] >> bit_offset) & mask; 711 otp_protect = (OTPSTRAP_PRO[dw_offset] >> bit_offset) & mask; 712 otp_keep = (OTPSTRAP_KEEP[dw_offset] >> bit_offset) & mask; 713 714 if (otp_keep == mask) { 715 continue; 716 } else if (otp_keep != 0) { 717 fail = 1; 718 } 719 720 if ((otp_value != a0_strap_info[i].value) && 721 a0_strap_info[i].value != OTP_REG_RESERVED) 722 continue; 723 724 if (a0_strap_info[i].length == 1) { 725 printf("0x%-9X", a0_strap_info[i].bit_offset); 726 } else { 727 printf("0x%-2X:0x%-4X", 728 a0_strap_info[i].bit_offset + a0_strap_info[i].length - 1, 729 a0_strap_info[i].bit_offset); 730 } 731 printf("0x%-10x", otp_value); 732 printf("0x%-10x", otp_protect); 733 734 if (fail) { 735 printf("Keep mask error\n"); 736 } else { 737 if (a0_strap_info[i].value != OTP_REG_RESERVED) 738 printf("%s\n", a0_strap_info[i].information); 739 else 740 printf("Reserved\n"); 741 } 742 } 743 744 if (fail) 745 return OTP_FAILURE; 746 747 return OTP_SUCCESS; 748 } 749 750 static int otp_print_strap_info(int view) 751 { 752 struct otpstrap_status strap_status[64]; 753 int i, j; 754 int fail = 0; 755 uint32_t bit_offset; 756 uint32_t length; 757 uint32_t otp_value; 758 uint32_t otp_protect; 759 760 otp_strp_status(strap_status); 761 762 if (view) { 763 // printf("BIT(hex) Value Option Protect Description\n"); 764 // printf(" 0 1 2 3 4 5 6\n"); 765 printf("BIT(hex) Value Remains Protect Description\n"); 766 printf("___________________________________________________________________________________________________\n"); 767 } else { 768 printf("BIT(hex) Value Description\n"); 769 printf("________________________________________________________________________________\n"); 770 } 771 for (i = 0; i < ARRAY_SIZE(a0_strap_info); i++) { 772 otp_value = 0; 773 bit_offset = a0_strap_info[i].bit_offset; 774 length = a0_strap_info[i].length; 775 for (j = 0; j < length; j++) { 776 otp_value |= strap_status[bit_offset + j].value << j; 777 otp_protect |= strap_status[bit_offset + j].protected << j; 778 } 779 if ((otp_value != a0_strap_info[i].value) && 780 a0_strap_info[i].value != OTP_REG_RESERVED) 781 continue; 782 if (view) { 783 for (j = 0; j < length; j++) { 784 printf("0x%-7X", a0_strap_info[i].bit_offset + j); 785 printf("0x%-5X", strap_status[bit_offset + j].value); 786 printf("%-9d", strap_status[bit_offset + j].remain_times); 787 printf("0x%-7X", strap_status[bit_offset].protected); 788 if (a0_strap_info[i].value == OTP_REG_RESERVED) { 789 printf(" Reserved\n"); 790 continue; 791 } 792 if (length == 1) { 793 printf(" %s\n", a0_strap_info[i].information); 794 continue; 795 } 796 797 if (j == 0) 798 printf("/%s\n", a0_strap_info[i].information); 799 else if (j == length - 1) 800 printf("\\ \"\n"); 801 else 802 printf("| \"\n"); 803 } 804 } else { 805 if (length == 1) { 806 printf("0x%-9X", a0_strap_info[i].bit_offset); 807 } else { 808 printf("0x%-2X:0x%-4X", 809 bit_offset + length - 1, bit_offset); 810 } 811 812 printf("0x%-10X", otp_value); 813 814 if (a0_strap_info[i].value != OTP_REG_RESERVED) 815 printf("%s\n", a0_strap_info[i].information); 816 else 817 printf("Reserved\n"); 818 } 819 } 820 821 if (fail) 822 return OTP_FAILURE; 823 824 return OTP_SUCCESS; 825 } 826 827 static void buf_print(char *buf, int len) 828 { 829 int i; 830 printf(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\n"); 831 for (i = 0; i < len; i++) { 832 if (i % 16 == 0) { 833 printf("%04X: ", i); 834 } 835 printf("%02X ", buf[i]); 836 if ((i + 1) % 16 == 0) { 837 printf("\n"); 838 } 839 } 840 } 841 842 static int otp_print_data_info(uint32_t *buf) 843 { 844 int key_id, key_offset, last, key_type, key_length, exp_length; 845 char *byte_buf; 846 int i = 0, len = 0; 847 byte_buf = (char *)buf; 848 while (1) { 849 key_id = buf[i] & 0x7; 850 key_offset = buf[i] & 0x1ff8; 851 last = (buf[i] >> 13) & 1; 852 key_type = (buf[i] >> 14) & 0xf; 853 key_length = (buf[i] >> 18) & 0x3; 854 exp_length = (buf[i] >> 20) & 0xfff; 855 printf("\nKey[%d]:\n", i); 856 printf("Key Type: "); 857 switch (key_type) { 858 case 0: 859 printf("AES-256 as OEM platform key for image encryption/decryption\n"); 860 break; 861 case 1: 862 printf("AES-256 as secret vault key\n"); 863 break; 864 case 4: 865 printf("HMAC as encrypted OEM HMAC keys in Mode 1\n"); 866 break; 867 case 8: 868 printf("RSA-public as OEM DSS public keys in Mode 2\n"); 869 break; 870 case 9: 871 printf("RSA-public as SOC public key\n"); 872 break; 873 case 10: 874 printf("RSA-public as AES key decryption key\n"); 875 break; 876 case 13: 877 printf("RSA-private as SOC private key\n"); 878 break; 879 case 14: 880 printf("RSA-private as AES key decryption key\n"); 881 break; 882 default: 883 printf("key_type error: %x\n", key_type); 884 return -1; 885 } 886 if (key_type == 4) { 887 printf("HMAC SHA Type: "); 888 switch (key_length) { 889 case 0: 890 printf("HMAC(SHA224)\n"); 891 break; 892 case 1: 893 printf("HMAC(SHA256)\n"); 894 break; 895 case 2: 896 printf("HMAC(SHA384)\n"); 897 break; 898 case 3: 899 printf("HMAC(SHA512)\n"); 900 break; 901 } 902 } else if (key_type != 0 && key_type != 1) { 903 printf("RSA SHA Type: "); 904 switch (key_length) { 905 case 0: 906 printf("RSA1024\n"); 907 len = 0x100; 908 break; 909 case 1: 910 printf("RSA2048\n"); 911 len = 0x200; 912 break; 913 case 2: 914 printf("RSA3072\n"); 915 len = 0x300; 916 break; 917 case 3: 918 printf("RSA4096\n"); 919 len = 0x400; 920 break; 921 } 922 printf("RSA exponent bit length: %d\n", exp_length); 923 } 924 if (key_type == 4 || key_type == 8) 925 printf("Key Number ID: %d\n", key_id); 926 printf("Key Value:\n"); 927 if (key_type == 4) { 928 buf_print(&byte_buf[key_offset], 0x40); 929 } else if (key_type == 0 || key_type == 1) { 930 printf("AES Key:\n"); 931 buf_print(&byte_buf[key_offset], 0x20); 932 printf("AES IV:\n"); 933 buf_print(&byte_buf[key_offset + 0x20], 0x10); 934 935 } else { 936 printf("RSA mod:\n"); 937 buf_print(&byte_buf[key_offset], len / 2); 938 printf("RSA exp:\n"); 939 buf_print(&byte_buf[key_offset + (len / 2)], len / 2); 940 } 941 if (last) 942 break; 943 i++; 944 } 945 return 0; 946 } 947 948 static int otp_prog_conf(uint32_t *buf) 949 { 950 int i, k; 951 int pass = 0; 952 int soak = 0; 953 uint32_t prog_address; 954 uint32_t data[12]; 955 uint32_t compare[2]; 956 uint32_t *buf_keep = &buf[12]; 957 uint32_t data_masked; 958 uint32_t buf_masked; 959 960 printf("Read OTP Config Region:\n"); 961 962 printProgress(0, 12, ""); 963 for (i = 0; i < 12 ; i ++) { 964 printProgress(i + 1, 12, ""); 965 prog_address = 0x800; 966 prog_address |= (i / 8) * 0x200; 967 prog_address |= (i % 8) * 0x2; 968 otp_read_data(prog_address, &data[i]); 969 } 970 971 printf("Check writable...\n"); 972 for (i = 0; i < 12; i++) { 973 data_masked = data[i] & ~buf_keep[i]; 974 buf_masked = buf[i] & ~buf_keep[i]; 975 if (data_masked == buf_masked) 976 continue; 977 if ((data_masked | buf_masked) == buf_masked) { 978 continue; 979 } else { 980 printf("Input image can't program into OTP, please check.\n"); 981 printf("OTPCFG[%X] = %x\n", i, data[i]); 982 printf("Input [%X] = %x\n", i, buf[i]); 983 printf("Mask [%X] = %x\n", i, ~buf_keep[i]); 984 return OTP_FAILURE; 985 } 986 } 987 988 printf("Start Programing...\n"); 989 printProgress(0, 12, ""); 990 otp_soak(0); 991 for (i = 0; i < 12; i++) { 992 data_masked = data[i] & ~buf_keep[i]; 993 buf_masked = buf[i] & ~buf_keep[i]; 994 prog_address = 0x800; 995 prog_address |= (i / 8) * 0x200; 996 prog_address |= (i % 8) * 0x2; 997 if (data_masked == buf_masked) { 998 printProgress(i + 1, 12, "[%03X]=%08X HIT", prog_address, buf[i]); 999 continue; 1000 } 1001 if (soak) { 1002 soak = 0; 1003 otp_soak(0); 1004 } 1005 printProgress(i + 1, 12, "[%03X]=%08X ", prog_address, buf[i]); 1006 1007 otp_prog_dw(buf[i], buf_keep[i], prog_address); 1008 1009 pass = 0; 1010 for (k = 0; k < RETRY; k++) { 1011 if (verify_dw(prog_address, &buf[i], &buf_keep[i], compare, 1) != 0) { 1012 if (soak == 0) { 1013 soak = 1; 1014 otp_soak(1); 1015 } 1016 otp_prog_dw(compare[0], prog_address, 1); 1017 } else { 1018 pass = 1; 1019 break; 1020 } 1021 } 1022 } 1023 1024 if (!pass) 1025 return OTP_FAILURE; 1026 1027 return OTP_SUCCESS; 1028 1029 } 1030 1031 1032 static int otp_strap_image_confirm(uint32_t *buf) 1033 { 1034 int i; 1035 uint32_t *strap_keep = buf + 2; 1036 uint32_t *strap_protect = buf + 4; 1037 int bit, pbit, kbit; 1038 int fail = 0; 1039 int skip = -1; 1040 struct otpstrap_status otpstrap[64]; 1041 1042 otp_strp_status(otpstrap); 1043 for (i = 0; i < 64; i++) { 1044 if (i < 32) { 1045 bit = (buf[0] >> i) & 0x1; 1046 kbit = (strap_keep[0] >> i) & 0x1; 1047 pbit = (strap_protect[0] >> i) & 0x1; 1048 } else { 1049 bit = (buf[1] >> (i - 32)) & 0x1; 1050 kbit = (strap_keep[1] >> (i - 32)) & 0x1; 1051 pbit = (strap_protect[1] >> (i - 32)) & 0x1; 1052 } 1053 1054 if (kbit == 1) { 1055 continue; 1056 } else { 1057 printf("OTPSTRAP[%X]:\n", i); 1058 } 1059 if (bit == otpstrap[i].value) { 1060 printf(" The value is same as before, skip it.\n"); 1061 if (skip == -1) 1062 skip = 1; 1063 continue; 1064 } else { 1065 skip = 0; 1066 } 1067 if (otpstrap[i].protected == 1) { 1068 printf(" This bit is protected and is not writable\n"); 1069 fail = 1; 1070 continue; 1071 } 1072 if (otpstrap[i].remain_times == 0) { 1073 printf(" This bit is no remaining times to write.\n"); 1074 fail = 1; 1075 continue; 1076 } 1077 if (pbit == 1) { 1078 printf(" This bit will be protected and become non-writable.\n"); 1079 } 1080 printf(" Write 1 to OTPSTRAP[%X] OPTION[%X], that value becomes from %d to %d.\n", i, otpstrap[i].writeable_option + 1, otpstrap[i].value, otpstrap[i].value ^ 1); 1081 } 1082 if (fail == 1) 1083 return OTP_FAILURE; 1084 else if (skip == 1) 1085 return OTP_PROG_SKIP; 1086 1087 return 0; 1088 } 1089 1090 static int otp_print_strap(int start, int count) 1091 { 1092 int i, j; 1093 struct otpstrap_status otpstrap[64]; 1094 1095 if (start < 0 || start > 64) 1096 return OTP_USAGE; 1097 1098 if ((start + count) < 0 || (start + count) > 64) 1099 return OTP_USAGE; 1100 1101 otp_strp_status(otpstrap); 1102 1103 printf("BIT(hex) Value Option Status\n"); 1104 printf("___________________________________________________________________________\n"); 1105 1106 for (i = start; i < start + count; i++) { 1107 printf("0x%-8X", i); 1108 printf("%-7d", otpstrap[i].value); 1109 for (j = 0; j < 7; j++) 1110 printf("%d ", otpstrap[i].option_array[j]); 1111 printf(" "); 1112 if (otpstrap[i].protected == 1) { 1113 printf("protected and not writable"); 1114 } else { 1115 printf("not protected "); 1116 if (otpstrap[i].remain_times == 0) { 1117 printf("and no remaining times to write."); 1118 } else { 1119 printf("and still can write %d times", otpstrap[i].remain_times); 1120 } 1121 } 1122 printf("\n"); 1123 } 1124 1125 return OTP_SUCCESS; 1126 } 1127 1128 static int otp_prog_strap(uint32_t *buf) 1129 { 1130 int i, j; 1131 uint32_t *strap_keep = buf + 2; 1132 uint32_t *strap_protect = buf + 4; 1133 uint32_t prog_bit, prog_address; 1134 int bit, pbit, kbit, offset; 1135 int fail = 0; 1136 int pass = 0; 1137 int soak = 0; 1138 struct otpstrap_status otpstrap[64]; 1139 1140 printf("Read OTP Strap Region:\n"); 1141 otp_strp_status(otpstrap); 1142 1143 printf("Check writable...\n"); 1144 if (otp_strap_image_confirm(buf) == OTP_FAILURE) { 1145 printf("Input image can't program into OTP, please check.\n"); 1146 return OTP_FAILURE; 1147 } 1148 1149 otp_soak(0); 1150 for (i = 0; i < 64; i++) { 1151 printProgress(i + 1, 64, ""); 1152 prog_address = 0x800; 1153 if (i < 32) { 1154 offset = i; 1155 bit = (buf[0] >> offset) & 0x1; 1156 kbit = (strap_keep[0] >> offset) & 0x1; 1157 pbit = (strap_protect[0] >> offset) & 0x1; 1158 prog_address |= ((otpstrap[i].writeable_option * 2 + 16) / 8) * 0x200; 1159 prog_address |= ((otpstrap[i].writeable_option * 2 + 16) % 8) * 0x2; 1160 1161 } else { 1162 offset = (i - 32); 1163 bit = (buf[1] >> offset) & 0x1; 1164 kbit = (strap_keep[1] >> offset) & 0x1; 1165 pbit = (strap_protect[1] >> offset) & 0x1; 1166 prog_address |= ((otpstrap[i].writeable_option * 2 + 17) / 8) * 0x200; 1167 prog_address |= ((otpstrap[i].writeable_option * 2 + 17) % 8) * 0x2; 1168 } 1169 prog_bit = ~(0x1 << offset); 1170 1171 if (kbit == 1) { 1172 continue; 1173 } 1174 if (bit == otpstrap[i].value) { 1175 continue; 1176 } 1177 if (otpstrap[i].protected == 1) { 1178 fail = 1; 1179 continue; 1180 } 1181 if (otpstrap[i].remain_times == 0) { 1182 fail = 1; 1183 continue; 1184 } 1185 1186 if (soak) { 1187 soak = 0; 1188 otp_soak(0); 1189 } 1190 1191 otp_prog(prog_address, prog_bit); 1192 1193 pass = 0; 1194 1195 for (j = 0; j < RETRY; j++) { 1196 if (verify_bit(prog_address, offset, 1) == 0) { 1197 pass = 1; 1198 break; 1199 } 1200 if (soak == 0) { 1201 soak = 1; 1202 otp_soak(1); 1203 } 1204 otp_prog(prog_address, prog_bit); 1205 } 1206 if (!pass) 1207 return OTP_FAILURE; 1208 1209 if (pbit == 0) 1210 continue; 1211 prog_address = 0x800; 1212 if (i < 32) 1213 prog_address |= 0x60c; 1214 else 1215 prog_address |= 0x60e; 1216 1217 1218 if (soak) { 1219 soak = 0; 1220 otp_soak(0); 1221 } 1222 1223 otp_prog(prog_address, prog_bit); 1224 1225 pass = 0; 1226 1227 for (j = 0; j < RETRY; j++) { 1228 1229 if (verify_bit(prog_address, offset, 1) == 0) { 1230 pass = 1; 1231 break; 1232 } 1233 if (soak == 0) { 1234 soak = 1; 1235 otp_soak(1); 1236 } 1237 otp_prog(prog_address, prog_bit); 1238 } 1239 if (!pass) 1240 return OTP_FAILURE; 1241 1242 } 1243 if (fail == 1) 1244 return OTP_FAILURE; 1245 else 1246 return OTP_SUCCESS; 1247 1248 } 1249 1250 static void otp_prog_bit(uint32_t value, uint32_t prog_address, uint32_t bit_offset, int soak) 1251 { 1252 int prog_bit; 1253 1254 otp_soak(soak); 1255 1256 if (prog_address % 2 == 0) { 1257 if (value) 1258 prog_bit = ~(0x1 << bit_offset); 1259 else 1260 return; 1261 } else { 1262 prog_address |= 1 << 15; 1263 if (!value) 1264 prog_bit = 0x1 << bit_offset; 1265 else 1266 return; 1267 } 1268 otp_prog(prog_address, prog_bit); 1269 } 1270 1271 static int otp_prog_data(uint32_t *buf) 1272 { 1273 int i, k; 1274 int pass; 1275 int soak = 0; 1276 uint32_t prog_address; 1277 uint32_t data[2048]; 1278 uint32_t compare[2]; 1279 uint32_t *buf_keep = &buf[2048]; 1280 1281 uint32_t data0_masked; 1282 uint32_t data1_masked; 1283 uint32_t buf0_masked; 1284 uint32_t buf1_masked; 1285 1286 printf("Read OTP Data:\n"); 1287 1288 printProgress(0, 2048, ""); 1289 for (i = 0; i < 2048 ; i += 2) { 1290 printProgress(i + 2, 2048, ""); 1291 otp_read_data(i, &data[i]); 1292 } 1293 1294 1295 printf("Check writable...\n"); 1296 for (i = 0; i < 2048; i++) { 1297 data0_masked = data[i] & ~buf_keep[i]; 1298 buf0_masked = buf[i] & ~buf_keep[i]; 1299 if (data0_masked == buf0_masked) 1300 continue; 1301 if (i % 2 == 0) { 1302 if ((data0_masked | buf0_masked) == buf0_masked) { 1303 continue; 1304 } else { 1305 printf("Input image can't program into OTP, please check.\n"); 1306 printf("OTP_ADDR[%x] = %x\n", i, data[i]); 1307 printf("Input [%x] = %x\n", i, buf[i]); 1308 printf("Mask [%x] = %x\n", i, ~buf_keep[i]); 1309 return OTP_FAILURE; 1310 } 1311 } else { 1312 if ((data0_masked & buf0_masked) == buf0_masked) { 1313 continue; 1314 } else { 1315 printf("Input image can't program into OTP, please check.\n"); 1316 printf("OTP_ADDR[%x] = %x\n", i, data[i]); 1317 printf("Input [%x] = %x\n", i, buf[i]); 1318 printf("Mask [%x] = %x\n", i, ~buf_keep[i]); 1319 return OTP_FAILURE; 1320 } 1321 } 1322 } 1323 1324 printf("Start Programing...\n"); 1325 printProgress(0, 2048, ""); 1326 1327 for (i = 0; i < 2048; i += 2) { 1328 prog_address = i; 1329 data0_masked = data[i] & ~buf_keep[i]; 1330 buf0_masked = buf[i] & ~buf_keep[i]; 1331 data1_masked = data[i + 1] & ~buf_keep[i + 1]; 1332 buf1_masked = buf[i + 1] & ~buf_keep[i + 1]; 1333 if ((data0_masked == buf0_masked) && (data1_masked == buf1_masked)) { 1334 printProgress(i + 2, 2048, "[%03X]=%08X HIT;[%03X]=%08X HIT", prog_address, buf[i], prog_address + 1, buf[i + 1]); 1335 continue; 1336 } 1337 if (soak) { 1338 soak = 0; 1339 otp_soak(0); 1340 } 1341 if (data1_masked == buf1_masked) { 1342 printProgress(i + 2, 2048, "[%03X]=%08X ;[%03X]=%08X HIT", prog_address, buf[i], prog_address + 1, buf[i + 1]); 1343 otp_prog_dw(buf[i], buf_keep[i], prog_address); 1344 } else if (data0_masked == buf0_masked) { 1345 printProgress(i + 2, 2048, "[%03X]=%08X HIT;[%03X]=%08X ", prog_address, buf[i], prog_address + 1, buf[i + 1]); 1346 otp_prog_dw(buf[i + 1], buf_keep[i + 1], prog_address + 1); 1347 } else { 1348 printProgress(i + 2, 2048, "[%03X]=%08X ;[%03X]=%08X ", prog_address, buf[i], prog_address + 1, buf[i + 1]); 1349 otp_prog_dw(buf[i], buf_keep[i], prog_address); 1350 otp_prog_dw(buf[i + 1], buf_keep[i + 1], prog_address + 1); 1351 } 1352 1353 pass = 0; 1354 for (k = 0; k < RETRY; k++) { 1355 if (verify_dw(prog_address, &buf[i], &buf_keep[i], compare, 2) != 0) { 1356 if (soak == 0) { 1357 soak = 1; 1358 otp_soak(1); 1359 } 1360 if (compare[0] != 0) { 1361 otp_prog_dw(compare[0], buf_keep[i], prog_address); 1362 } 1363 if (compare[1] != ~0) { 1364 otp_prog_dw(compare[1], buf_keep[i], prog_address + 1); 1365 } 1366 } else { 1367 pass = 1; 1368 break; 1369 } 1370 } 1371 1372 if (!pass) 1373 return OTP_FAILURE; 1374 } 1375 return OTP_SUCCESS; 1376 1377 } 1378 1379 static int do_otp_prog(int addr, int byte_size, int nconfirm) 1380 { 1381 int ret; 1382 int mode = 0; 1383 uint32_t *buf; 1384 uint32_t *data_region = NULL; 1385 uint32_t *conf_region = NULL; 1386 uint32_t *strap_region = NULL; 1387 1388 buf = map_physmem(addr, byte_size, MAP_WRBACK); 1389 if (!buf) { 1390 puts("Failed to map physical memory\n"); 1391 return OTP_FAILURE; 1392 } 1393 1394 if (buf[0] & BIT(29)) { 1395 mode |= OTP_REGION_DATA; 1396 data_region = &buf[36]; 1397 } 1398 if (buf[0] & BIT(30)) { 1399 mode |= OTP_REGION_CONF; 1400 conf_region = &buf[12]; 1401 } 1402 if (buf[0] & BIT(31)) { 1403 mode |= OTP_REGION_STRAP; 1404 strap_region = &buf[4]; 1405 } 1406 1407 if (!nconfirm) { 1408 if (mode & OTP_REGION_DATA) { 1409 printf("\nOTP data region :\n"); 1410 if (otp_print_data_info(data_region) < 0) { 1411 printf("OTP data error, please check.\n"); 1412 return OTP_FAILURE; 1413 } 1414 } 1415 if (mode & OTP_REGION_STRAP) { 1416 printf("\nOTP strap region :\n"); 1417 if (otp_print_strap_image(strap_region) < 0) { 1418 printf("OTP strap error, please check.\n"); 1419 return OTP_FAILURE; 1420 } 1421 } 1422 if (mode & OTP_REGION_CONF) { 1423 printf("\nOTP configuration region :\n"); 1424 if (otp_print_conf_image(conf_region) < 0) { 1425 printf("OTP config error, please check.\n"); 1426 return OTP_FAILURE; 1427 } 1428 } 1429 1430 printf("type \"YES\" (no quotes) to continue:\n"); 1431 if (!confirm_yesno()) { 1432 printf(" Aborting\n"); 1433 return OTP_FAILURE; 1434 } 1435 } 1436 1437 if (mode & OTP_REGION_DATA) { 1438 printf("programing data region ...\n"); 1439 ret = otp_prog_data(data_region); 1440 if (ret != 0) { 1441 printf("Error\n"); 1442 return ret; 1443 } else { 1444 printf("Done\n"); 1445 } 1446 } 1447 if (mode & OTP_REGION_STRAP) { 1448 printf("programing strap region ...\n"); 1449 ret = otp_prog_strap(strap_region); 1450 if (ret != 0) { 1451 printf("Error\n"); 1452 return ret; 1453 } else { 1454 printf("Done\n"); 1455 } 1456 } 1457 if (mode & OTP_REGION_CONF) { 1458 printf("programing configuration region ...\n"); 1459 ret = otp_prog_conf(conf_region); 1460 if (ret != 0) { 1461 printf("Error\n"); 1462 return ret; 1463 } 1464 printf("Done\n"); 1465 } 1466 1467 return OTP_SUCCESS; 1468 } 1469 1470 static int do_otp_prog_bit(int mode, int otp_dw_offset, int bit_offset, int value, int nconfirm) 1471 { 1472 uint32_t read[2]; 1473 uint32_t strap_buf[6]; 1474 uint32_t prog_address = 0; 1475 struct otpstrap_status otpstrap[64]; 1476 int otp_bit; 1477 int i; 1478 int pass; 1479 int ret; 1480 1481 switch (mode) { 1482 case OTP_REGION_CONF: 1483 otp_read_config(otp_dw_offset, read); 1484 prog_address = 0x800; 1485 prog_address |= (otp_dw_offset / 8) * 0x200; 1486 prog_address |= (otp_dw_offset % 8) * 0x2; 1487 otp_bit = (read[0] >> bit_offset) & 0x1; 1488 if (otp_bit == value) { 1489 printf("OTPCFG%X[%X] = %d\n", otp_dw_offset, bit_offset, value); 1490 printf("No need to program\n"); 1491 return OTP_SUCCESS; 1492 } 1493 if (otp_bit == 1 && value == 0) { 1494 printf("OTPCFG%X[%X] = 1\n", otp_dw_offset, bit_offset); 1495 printf("OTP is programed, which can't be clean\n"); 1496 return OTP_FAILURE; 1497 } 1498 printf("Program OTPCFG%X[%X] to 1\n", otp_dw_offset, bit_offset); 1499 break; 1500 case OTP_REGION_DATA: 1501 prog_address = otp_dw_offset; 1502 1503 if (otp_dw_offset % 2 == 0) { 1504 otp_read_data(otp_dw_offset, read); 1505 otp_bit = (read[0] >> bit_offset) & 0x1; 1506 } else { 1507 otp_read_data(otp_dw_offset - 1, read); 1508 otp_bit = (read[1] >> bit_offset) & 0x1; 1509 } 1510 if (otp_bit == value) { 1511 printf("OTPDATA%X[%X] = %d\n", otp_dw_offset, bit_offset, value); 1512 printf("No need to program\n"); 1513 return OTP_SUCCESS; 1514 } 1515 if (otp_bit == 1 && value == 0) { 1516 printf("OTPDATA%X[%X] = 1\n", otp_dw_offset, bit_offset); 1517 printf("OTP is programed, which can't be clean\n"); 1518 return OTP_FAILURE; 1519 } 1520 printf("Program OTPDATA%X[%X] to 1\n", otp_dw_offset, bit_offset); 1521 break; 1522 case OTP_REGION_STRAP: 1523 otp_strp_status(otpstrap); 1524 otp_print_strap(bit_offset, 1); 1525 if (bit_offset < 32) { 1526 strap_buf[0] = value << bit_offset; 1527 strap_buf[2] = ~BIT(bit_offset); 1528 strap_buf[3] = ~0; 1529 strap_buf[5] = 0; 1530 // if (protect) 1531 // strap_buf[4] = BIT(bit_offset); 1532 // else 1533 // strap_buf[4] = 0; 1534 } else { 1535 strap_buf[1] = value << (bit_offset - 32); 1536 strap_buf[2] = ~0; 1537 strap_buf[3] = ~BIT(bit_offset - 32); 1538 strap_buf[4] = 0; 1539 // if (protect) 1540 // strap_buf[5] = BIT(bit_offset - 32); 1541 // else 1542 // strap_buf[5] = 0; 1543 } 1544 ret = otp_strap_image_confirm(strap_buf); 1545 if (ret == OTP_FAILURE) 1546 return OTP_FAILURE; 1547 else if (ret == OTP_PROG_SKIP) 1548 return OTP_SUCCESS; 1549 1550 break; 1551 } 1552 1553 if (!nconfirm) { 1554 printf("type \"YES\" (no quotes) to continue:\n"); 1555 if (!confirm_yesno()) { 1556 printf(" Aborting\n"); 1557 return OTP_FAILURE; 1558 } 1559 } 1560 1561 switch (mode) { 1562 case OTP_REGION_STRAP: 1563 return otp_prog_strap(strap_buf); 1564 case OTP_REGION_CONF: 1565 case OTP_REGION_DATA: 1566 otp_prog_bit(value, prog_address, bit_offset, 0); 1567 pass = -1; 1568 for (i = 0; i < RETRY; i++) { 1569 if (verify_bit(prog_address, bit_offset, value) != 0) { 1570 otp_prog_bit(value, prog_address, bit_offset, 1); 1571 } else { 1572 pass = 0; 1573 break; 1574 } 1575 } 1576 if (pass == 0) 1577 return OTP_SUCCESS; 1578 } 1579 1580 return OTP_USAGE; 1581 } 1582 1583 static int do_otpread(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1584 { 1585 uint32_t offset, count; 1586 int ret; 1587 1588 if (argc == 4) { 1589 offset = simple_strtoul(argv[2], NULL, 16); 1590 count = simple_strtoul(argv[3], NULL, 16); 1591 } else if (argc == 3) { 1592 offset = simple_strtoul(argv[2], NULL, 16); 1593 count = 1; 1594 } else { 1595 return CMD_RET_USAGE; 1596 } 1597 1598 1599 if (!strcmp(argv[1], "conf")) { 1600 writel(OTP_PASSWD, 0x1e6f2000); //password 1601 ret = otp_print_config(offset, count); 1602 } else if (!strcmp(argv[1], "data")) { 1603 writel(OTP_PASSWD, 0x1e6f2000); //password 1604 ret = otp_print_data(offset, count); 1605 } else if (!strcmp(argv[1], "strap")) { 1606 writel(OTP_PASSWD, 0x1e6f2000); //password 1607 ret = otp_print_strap(offset, count); 1608 } else { 1609 return CMD_RET_USAGE; 1610 } 1611 1612 if (ret == OTP_SUCCESS) 1613 return CMD_RET_SUCCESS; 1614 else 1615 return CMD_RET_USAGE; 1616 1617 } 1618 1619 static int do_otpprog(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1620 { 1621 phys_addr_t addr; 1622 uint32_t byte_size; 1623 int ret; 1624 1625 if (argc == 4) { 1626 if (strcmp(argv[1], "f")) 1627 return CMD_RET_USAGE; 1628 addr = simple_strtoul(argv[2], NULL, 16); 1629 byte_size = simple_strtoul(argv[3], NULL, 16); 1630 writel(OTP_PASSWD, 0x1e6f2000); //password 1631 ret = do_otp_prog(addr, byte_size, 1); 1632 } else if (argc == 3) { 1633 addr = simple_strtoul(argv[1], NULL, 16); 1634 byte_size = simple_strtoul(argv[2], NULL, 16); 1635 writel(OTP_PASSWD, 0x1e6f2000); //password 1636 ret = do_otp_prog(addr, byte_size, 0); 1637 } else { 1638 return CMD_RET_USAGE; 1639 } 1640 1641 if (ret == OTP_SUCCESS) 1642 return CMD_RET_SUCCESS; 1643 else if (ret == OTP_FAILURE) 1644 return CMD_RET_FAILURE; 1645 else 1646 return CMD_RET_USAGE; 1647 } 1648 1649 static int do_otppb(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1650 { 1651 int mode = 0; 1652 int nconfirm = 0; 1653 int otp_addr = 0; 1654 int bit_offset; 1655 int value; 1656 int ret; 1657 1658 if (argc != 4 && argc != 5 && argc != 6) 1659 return CMD_RET_USAGE; 1660 1661 /* Drop the pb cmd */ 1662 argc--; 1663 argv++; 1664 1665 if (!strcmp(argv[0], "conf")) 1666 mode = OTP_REGION_CONF; 1667 else if (!strcmp(argv[0], "strap")) 1668 mode = OTP_REGION_STRAP; 1669 else if (!strcmp(argv[0], "data")) 1670 mode = OTP_REGION_DATA; 1671 else 1672 return CMD_RET_USAGE; 1673 1674 /* Drop the region cmd */ 1675 argc--; 1676 argv++; 1677 1678 if (!strcmp(argv[0], "f")) { 1679 nconfirm = 1; 1680 /* Drop the force option */ 1681 argc--; 1682 argv++; 1683 } 1684 1685 if (mode == OTP_REGION_STRAP) { 1686 bit_offset = simple_strtoul(argv[0], NULL, 16); 1687 value = simple_strtoul(argv[1], NULL, 16); 1688 if (bit_offset >= 64) 1689 return CMD_RET_USAGE; 1690 } else { 1691 otp_addr = simple_strtoul(argv[0], NULL, 16); 1692 bit_offset = simple_strtoul(argv[1], NULL, 16); 1693 value = simple_strtoul(argv[2], NULL, 16); 1694 if (bit_offset >= 32) 1695 return CMD_RET_USAGE; 1696 } 1697 if (value != 0 && value != 1) 1698 return CMD_RET_USAGE; 1699 1700 writel(OTP_PASSWD, 0x1e6f2000); //password 1701 ret = do_otp_prog_bit(mode, otp_addr, bit_offset, value, nconfirm); 1702 1703 if (ret == OTP_SUCCESS) 1704 return CMD_RET_SUCCESS; 1705 else if (ret == OTP_FAILURE) 1706 return CMD_RET_FAILURE; 1707 else 1708 return CMD_RET_USAGE; 1709 } 1710 1711 static int do_otpcmp(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1712 { 1713 phys_addr_t addr; 1714 int otp_addr = 0; 1715 1716 if (argc != 3) 1717 return CMD_RET_USAGE; 1718 1719 writel(OTP_PASSWD, 0x1e6f2000); //password 1720 addr = simple_strtoul(argv[1], NULL, 16); 1721 otp_addr = simple_strtoul(argv[2], NULL, 16); 1722 if (otp_compare(otp_addr, addr) == 0) { 1723 printf("Compare pass\n"); 1724 return CMD_RET_SUCCESS; 1725 } else { 1726 printf("Compare fail\n"); 1727 return CMD_RET_FAILURE; 1728 } 1729 } 1730 1731 static int do_otpinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1732 { 1733 int view = 0; 1734 int input; 1735 1736 if (argc != 2 && argc != 3) 1737 return CMD_RET_USAGE; 1738 1739 if (!strcmp(argv[1], "conf")) { 1740 1741 writel(OTP_PASSWD, 0x1e6f2000); //password 1742 if (argc == 3) { 1743 input = simple_strtoul(argv[2], NULL, 16); 1744 otp_print_conf_info(input); 1745 } else { 1746 otp_print_conf_info(-1); 1747 } 1748 } else if (!strcmp(argv[1], "strap")) { 1749 if (!strcmp(argv[2], "v")) { 1750 view = 1; 1751 /* Drop the view option */ 1752 argc--; 1753 argv++; 1754 } 1755 writel(OTP_PASSWD, 0x1e6f2000); //password 1756 otp_print_strap_info(view); 1757 } else { 1758 return CMD_RET_USAGE; 1759 } 1760 1761 return CMD_RET_SUCCESS; 1762 } 1763 1764 static int do_otpprotect(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1765 { 1766 int input; 1767 int bit_offset; 1768 int prog_address; 1769 int pass; 1770 int i; 1771 if (argc != 3 && argc != 2) 1772 return CMD_RET_USAGE; 1773 1774 if (!strcmp(argv[0], "f")) { 1775 input = simple_strtoul(argv[2], NULL, 16); 1776 } else { 1777 input = simple_strtoul(argv[1], NULL, 16); 1778 printf("OTPSTRAP[%d] will be protected\n", input); 1779 printf("type \"YES\" (no quotes) to continue:\n"); 1780 if (!confirm_yesno()) { 1781 printf(" Aborting\n"); 1782 return CMD_RET_FAILURE; 1783 } 1784 } 1785 1786 prog_address = 0x800; 1787 if (input < 32) { 1788 bit_offset = input; 1789 prog_address |= 0x60c; 1790 } else if (input < 64) { 1791 bit_offset = input - 32; 1792 prog_address |= 0x60e; 1793 } else { 1794 return CMD_RET_USAGE; 1795 } 1796 1797 if (verify_bit(prog_address, bit_offset, 1) == 0) { 1798 printf("OTPSTRAP[%d] already protected\n", input); 1799 } 1800 otp_prog_bit(1, prog_address, bit_offset, 0); 1801 pass = -1; 1802 for (i = 0; i < RETRY; i++) { 1803 if (verify_bit(prog_address, bit_offset, 1) != 0) { 1804 otp_prog_bit(1, prog_address, bit_offset, 1); 1805 } else { 1806 pass = 0; 1807 break; 1808 } 1809 } 1810 if (pass == 0) { 1811 printf("OTPSTRAP[%d] is protected\n", input); 1812 return CMD_RET_SUCCESS; 1813 } 1814 1815 printf("Protect OTPSTRAP[%d] fail\n", input); 1816 return CMD_RET_FAILURE; 1817 1818 } 1819 static cmd_tbl_t cmd_otp[] = { 1820 U_BOOT_CMD_MKENT(read, 4, 0, do_otpread, "", ""), 1821 U_BOOT_CMD_MKENT(info, 3, 0, do_otpinfo, "", ""), 1822 U_BOOT_CMD_MKENT(prog, 4, 0, do_otpprog, "", ""), 1823 U_BOOT_CMD_MKENT(pb, 6, 0, do_otppb, "", ""), 1824 U_BOOT_CMD_MKENT(protect, 3, 0, do_otpprotect, "", ""), 1825 U_BOOT_CMD_MKENT(cmp, 3, 0, do_otpcmp, "", ""), 1826 }; 1827 1828 static int do_ast_otp(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 1829 { 1830 cmd_tbl_t *cp; 1831 1832 cp = find_cmd_tbl(argv[1], cmd_otp, ARRAY_SIZE(cmd_otp)); 1833 1834 /* Drop the otp command */ 1835 argc--; 1836 argv++; 1837 1838 if (cp == NULL || argc > cp->maxargs) 1839 return CMD_RET_USAGE; 1840 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp)) 1841 return CMD_RET_SUCCESS; 1842 1843 return cp->cmd(cmdtp, flag, argc, argv); 1844 } 1845 1846 U_BOOT_CMD( 1847 otp, 7, 0, do_ast_otp, 1848 "ASPEED One-Time-Programmable sub-system", 1849 "read conf|data <otp_dw_offset> <dw_count>\n" 1850 "otp read strap <strap_bit_offset> <bit_count>\n" 1851 "otp info strap [v]\n" 1852 "otp info conf [otp_dw_offset]\n" 1853 "otp prog [f] <addr> <byte_size>\n" 1854 "otp pb conf|data [f] <otp_dw_offset> <bit_offset> <value>\n" 1855 "otp pb strap [f] <bit_offset> <value>\n" 1856 "otp protect [f] <bit_offset>\n" 1857 "otp cmp <addr> <otp_dw_offset>\n" 1858 ); 1859