Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause |
| 2 | /* |
| 3 | * Copyright (C) 2019, STMicroelectronics - All Rights Reserved |
| 4 | */ |
| 5 | |
Patrick Delaunay | 753f536 | 2020-11-06 19:01:36 +0100 | [diff] [blame] | 6 | #define LOG_CATEGORY UCLASS_RAM |
| 7 | |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 8 | #include <common.h> |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 9 | #include <command.h> |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 10 | #include <console.h> |
| 11 | #include <cli.h> |
| 12 | #include <clk.h> |
Simon Glass | 0f2af88 | 2020-05-10 11:40:05 -0600 | [diff] [blame] | 13 | #include <log.h> |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 14 | #include <malloc.h> |
| 15 | #include <ram.h> |
| 16 | #include <reset.h> |
Simon Glass | 3ba929a | 2020-10-30 21:38:53 -0600 | [diff] [blame] | 17 | #include <asm/global_data.h> |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 18 | #include "stm32mp1_ddr.h" |
Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 19 | #include "stm32mp1_tests.h" |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 20 | |
| 21 | DECLARE_GLOBAL_DATA_PTR; |
| 22 | |
| 23 | enum ddr_command { |
| 24 | DDR_CMD_HELP, |
| 25 | DDR_CMD_INFO, |
| 26 | DDR_CMD_FREQ, |
| 27 | DDR_CMD_RESET, |
| 28 | DDR_CMD_PARAM, |
| 29 | DDR_CMD_PRINT, |
| 30 | DDR_CMD_EDIT, |
| 31 | DDR_CMD_STEP, |
| 32 | DDR_CMD_NEXT, |
| 33 | DDR_CMD_GO, |
| 34 | DDR_CMD_TEST, |
| 35 | DDR_CMD_TUNING, |
| 36 | DDR_CMD_UNKNOWN, |
| 37 | }; |
| 38 | |
| 39 | const char *step_str[] = { |
| 40 | [STEP_DDR_RESET] = "DDR_RESET", |
| 41 | [STEP_CTL_INIT] = "DDR_CTRL_INIT_DONE", |
| 42 | [STEP_PHY_INIT] = "DDR PHY_INIT_DONE", |
| 43 | [STEP_DDR_READY] = "DDR_READY", |
| 44 | [STEP_RUN] = "RUN" |
| 45 | }; |
| 46 | |
| 47 | enum ddr_command stm32mp1_get_command(char *cmd, int argc) |
| 48 | { |
| 49 | const char *cmd_string[DDR_CMD_UNKNOWN] = { |
| 50 | [DDR_CMD_HELP] = "help", |
| 51 | [DDR_CMD_INFO] = "info", |
| 52 | [DDR_CMD_FREQ] = "freq", |
| 53 | [DDR_CMD_RESET] = "reset", |
| 54 | [DDR_CMD_PARAM] = "param", |
| 55 | [DDR_CMD_PRINT] = "print", |
| 56 | [DDR_CMD_EDIT] = "edit", |
| 57 | [DDR_CMD_STEP] = "step", |
| 58 | [DDR_CMD_NEXT] = "next", |
| 59 | [DDR_CMD_GO] = "go", |
Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 60 | #ifdef CONFIG_STM32MP1_DDR_TESTS |
| 61 | [DDR_CMD_TEST] = "test", |
| 62 | #endif |
Patrick Delaunay | 2f91e61 | 2019-04-10 14:09:29 +0200 | [diff] [blame] | 63 | #ifdef CONFIG_STM32MP1_DDR_TUNING |
| 64 | [DDR_CMD_TUNING] = "tuning", |
| 65 | #endif |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 66 | }; |
| 67 | /* min and max number of argument */ |
| 68 | const char cmd_arg[DDR_CMD_UNKNOWN][2] = { |
| 69 | [DDR_CMD_HELP] = { 0, 0 }, |
| 70 | [DDR_CMD_INFO] = { 0, 255 }, |
| 71 | [DDR_CMD_FREQ] = { 0, 1 }, |
| 72 | [DDR_CMD_RESET] = { 0, 0 }, |
| 73 | [DDR_CMD_PARAM] = { 0, 2 }, |
| 74 | [DDR_CMD_PRINT] = { 0, 1 }, |
| 75 | [DDR_CMD_EDIT] = { 2, 2 }, |
| 76 | [DDR_CMD_STEP] = { 0, 1 }, |
| 77 | [DDR_CMD_NEXT] = { 0, 0 }, |
| 78 | [DDR_CMD_GO] = { 0, 0 }, |
Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 79 | #ifdef CONFIG_STM32MP1_DDR_TESTS |
| 80 | [DDR_CMD_TEST] = { 0, 255 }, |
| 81 | #endif |
Patrick Delaunay | 2f91e61 | 2019-04-10 14:09:29 +0200 | [diff] [blame] | 82 | #ifdef CONFIG_STM32MP1_DDR_TUNING |
| 83 | [DDR_CMD_TUNING] = { 0, 255 }, |
| 84 | #endif |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 85 | }; |
| 86 | int i; |
| 87 | |
| 88 | for (i = 0; i < DDR_CMD_UNKNOWN; i++) |
| 89 | if (!strcmp(cmd, cmd_string[i])) { |
| 90 | if (argc - 1 < cmd_arg[i][0]) { |
| 91 | printf("no enought argument (min=%d)\n", |
| 92 | cmd_arg[i][0]); |
| 93 | return DDR_CMD_UNKNOWN; |
| 94 | } else if (argc - 1 > cmd_arg[i][1]) { |
| 95 | printf("too many argument (max=%d)\n", |
| 96 | cmd_arg[i][1]); |
| 97 | return DDR_CMD_UNKNOWN; |
| 98 | } else { |
| 99 | return i; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | printf("unknown command %s\n", cmd); |
| 104 | return DDR_CMD_UNKNOWN; |
| 105 | } |
| 106 | |
| 107 | static void stm32mp1_do_usage(void) |
| 108 | { |
| 109 | const char *usage = { |
| 110 | "commands:\n\n" |
| 111 | "help displays help\n" |
| 112 | "info displays DDR information\n" |
| 113 | "info <param> <val> changes DDR information\n" |
Patrick Delaunay | 9e2dd66 | 2021-11-15 15:32:29 +0100 | [diff] [blame^] | 114 | " with <param> = step, name, size or speed\n" |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 115 | "freq displays the DDR PHY frequency in kHz\n" |
| 116 | "freq <freq> changes the DDR PHY frequency\n" |
| 117 | "param [type|reg] prints input parameters\n" |
| 118 | "param <reg> <val> edits parameters in step 0\n" |
| 119 | "print [type|reg] dumps registers\n" |
| 120 | "edit <reg> <val> modifies one register\n" |
| 121 | "step lists the available step\n" |
| 122 | "step <n> go to the step <n>\n" |
| 123 | "next goes to the next step\n" |
| 124 | "go continues the U-Boot SPL execution\n" |
| 125 | "reset reboots machine\n" |
Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 126 | #ifdef CONFIG_STM32MP1_DDR_TESTS |
| 127 | "test [help] | <n> [...] lists (with help) or executes test <n>\n" |
| 128 | #endif |
Patrick Delaunay | 2f91e61 | 2019-04-10 14:09:29 +0200 | [diff] [blame] | 129 | #ifdef CONFIG_STM32MP1_DDR_TUNING |
| 130 | "tuning [help] | <n> [...] lists (with help) or execute tuning <n>\n" |
| 131 | #endif |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 132 | "\nwith for [type|reg]:\n" |
| 133 | " all registers if absent\n" |
| 134 | " <type> = ctl, phy\n" |
Patrick Delaunay | 9e2dd66 | 2021-11-15 15:32:29 +0100 | [diff] [blame^] | 135 | " or one category (static, timing, map, perf, dyn)\n" |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 136 | " <reg> = name of the register\n" |
| 137 | }; |
| 138 | |
| 139 | puts(usage); |
| 140 | } |
| 141 | |
| 142 | static bool stm32mp1_check_step(enum stm32mp1_ddr_interact_step step, |
| 143 | enum stm32mp1_ddr_interact_step expected) |
| 144 | { |
| 145 | if (step != expected) { |
| 146 | printf("invalid step %d:%s expecting %d:%s\n", |
| 147 | step, step_str[step], |
| 148 | expected, |
| 149 | step_str[expected]); |
| 150 | return false; |
| 151 | } |
| 152 | return true; |
| 153 | } |
| 154 | |
| 155 | static void stm32mp1_do_info(struct ddr_info *priv, |
| 156 | struct stm32mp1_ddr_config *config, |
| 157 | enum stm32mp1_ddr_interact_step step, |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 158 | int argc, char *const argv[]) |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 159 | { |
| 160 | unsigned long value; |
| 161 | static char *ddr_name; |
| 162 | |
| 163 | if (argc == 1) { |
| 164 | printf("step = %d : %s\n", step, step_str[step]); |
| 165 | printf("name = %s\n", config->info.name); |
| 166 | printf("size = 0x%x\n", config->info.size); |
| 167 | printf("speed = %d kHz\n", config->info.speed); |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | if (argc < 3) { |
| 172 | printf("no enought parameter\n"); |
| 173 | return; |
| 174 | } |
| 175 | if (!strcmp(argv[1], "name")) { |
| 176 | u32 i, name_len = 0; |
| 177 | |
| 178 | for (i = 2; i < argc; i++) |
| 179 | name_len += strlen(argv[i]) + 1; |
| 180 | if (ddr_name) |
| 181 | free(ddr_name); |
| 182 | ddr_name = malloc(name_len); |
| 183 | config->info.name = ddr_name; |
| 184 | if (!ddr_name) { |
| 185 | printf("alloc error, length %d\n", name_len); |
| 186 | return; |
| 187 | } |
| 188 | strcpy(ddr_name, argv[2]); |
| 189 | for (i = 3; i < argc; i++) { |
| 190 | strcat(ddr_name, " "); |
| 191 | strcat(ddr_name, argv[i]); |
| 192 | } |
| 193 | printf("name = %s\n", ddr_name); |
| 194 | return; |
| 195 | } |
| 196 | if (!strcmp(argv[1], "size")) { |
| 197 | if (strict_strtoul(argv[2], 16, &value) < 0) { |
| 198 | printf("invalid value %s\n", argv[2]); |
| 199 | } else { |
| 200 | config->info.size = value; |
| 201 | printf("size = 0x%x\n", config->info.size); |
| 202 | } |
| 203 | return; |
| 204 | } |
| 205 | if (!strcmp(argv[1], "speed")) { |
| 206 | if (strict_strtoul(argv[2], 10, &value) < 0) { |
| 207 | printf("invalid value %s\n", argv[2]); |
| 208 | } else { |
| 209 | config->info.speed = value; |
| 210 | printf("speed = %d kHz\n", config->info.speed); |
| 211 | value = clk_get_rate(&priv->clk); |
| 212 | printf("DDRPHY = %ld kHz\n", value / 1000); |
| 213 | } |
| 214 | return; |
| 215 | } |
| 216 | printf("argument %s invalid\n", argv[1]); |
| 217 | } |
| 218 | |
| 219 | static bool stm32mp1_do_freq(struct ddr_info *priv, |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 220 | int argc, char *const argv[]) |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 221 | { |
| 222 | unsigned long ddrphy_clk; |
| 223 | |
| 224 | if (argc == 2) { |
| 225 | if (strict_strtoul(argv[1], 0, &ddrphy_clk) < 0) { |
| 226 | printf("invalid argument %s", argv[1]); |
| 227 | return false; |
| 228 | } |
| 229 | if (clk_set_rate(&priv->clk, ddrphy_clk * 1000)) { |
| 230 | printf("ERROR: update failed!\n"); |
| 231 | return false; |
| 232 | } |
| 233 | } |
| 234 | ddrphy_clk = clk_get_rate(&priv->clk); |
| 235 | printf("DDRPHY = %ld kHz\n", ddrphy_clk / 1000); |
| 236 | if (argc == 2) |
| 237 | return true; |
| 238 | return false; |
| 239 | } |
| 240 | |
| 241 | static void stm32mp1_do_param(enum stm32mp1_ddr_interact_step step, |
| 242 | const struct stm32mp1_ddr_config *config, |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 243 | int argc, char *const argv[]) |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 244 | { |
| 245 | switch (argc) { |
| 246 | case 1: |
| 247 | stm32mp1_dump_param(config, NULL); |
| 248 | break; |
| 249 | case 2: |
| 250 | if (stm32mp1_dump_param(config, argv[1])) |
| 251 | printf("invalid argument %s\n", |
| 252 | argv[1]); |
| 253 | break; |
| 254 | case 3: |
| 255 | if (!stm32mp1_check_step(step, STEP_DDR_RESET)) |
| 256 | return; |
| 257 | stm32mp1_edit_param(config, argv[1], argv[2]); |
| 258 | break; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | static void stm32mp1_do_print(struct ddr_info *priv, |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 263 | int argc, char *const argv[]) |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 264 | { |
| 265 | switch (argc) { |
| 266 | case 1: |
| 267 | stm32mp1_dump_reg(priv, NULL); |
| 268 | break; |
| 269 | case 2: |
| 270 | if (stm32mp1_dump_reg(priv, argv[1])) |
| 271 | printf("invalid argument %s\n", |
| 272 | argv[1]); |
| 273 | break; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | static int stm32mp1_do_step(enum stm32mp1_ddr_interact_step step, |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 278 | int argc, char *const argv[]) |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 279 | { |
| 280 | int i; |
| 281 | unsigned long value; |
| 282 | |
| 283 | switch (argc) { |
| 284 | case 1: |
| 285 | for (i = 0; i < ARRAY_SIZE(step_str); i++) |
| 286 | printf("%d:%s\n", i, step_str[i]); |
| 287 | break; |
| 288 | |
| 289 | case 2: |
| 290 | if ((strict_strtoul(argv[1], 0, |
| 291 | &value) < 0) || |
| 292 | value >= ARRAY_SIZE(step_str)) { |
| 293 | printf("invalid argument %s\n", |
| 294 | argv[1]); |
| 295 | goto end; |
| 296 | } |
| 297 | |
| 298 | if (value != STEP_DDR_RESET && |
| 299 | value <= step) { |
| 300 | printf("invalid target %d:%s, current step is %d:%s\n", |
| 301 | (int)value, step_str[value], |
| 302 | step, step_str[step]); |
| 303 | goto end; |
| 304 | } |
| 305 | printf("step to %d:%s\n", |
| 306 | (int)value, step_str[value]); |
| 307 | return (int)value; |
| 308 | }; |
| 309 | |
| 310 | end: |
| 311 | return step; |
| 312 | } |
| 313 | |
Patrick Delaunay | 2f91e61 | 2019-04-10 14:09:29 +0200 | [diff] [blame] | 314 | #if defined(CONFIG_STM32MP1_DDR_TESTS) || defined(CONFIG_STM32MP1_DDR_TUNING) |
Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 315 | static const char * const s_result[] = { |
| 316 | [TEST_PASSED] = "Pass", |
| 317 | [TEST_FAILED] = "Failed", |
| 318 | [TEST_ERROR] = "Error" |
| 319 | }; |
| 320 | |
| 321 | static void stm32mp1_ddr_subcmd(struct ddr_info *priv, |
| 322 | int argc, char *argv[], |
| 323 | const struct test_desc array[], |
| 324 | const int array_nb) |
| 325 | { |
| 326 | int i; |
| 327 | unsigned long value; |
| 328 | int result; |
| 329 | char string[50] = ""; |
| 330 | |
| 331 | if (argc == 1) { |
| 332 | printf("%s:%d\n", argv[0], array_nb); |
| 333 | for (i = 0; i < array_nb; i++) |
| 334 | printf("%d:%s:%s\n", |
| 335 | i, array[i].name, array[i].usage); |
| 336 | return; |
| 337 | } |
| 338 | if (argc > 1 && !strcmp(argv[1], "help")) { |
| 339 | printf("%s:%d\n", argv[0], array_nb); |
| 340 | for (i = 0; i < array_nb; i++) |
| 341 | printf("%d:%s:%s:%s\n", i, |
| 342 | array[i].name, array[i].usage, array[i].help); |
| 343 | return; |
| 344 | } |
| 345 | |
| 346 | if ((strict_strtoul(argv[1], 0, &value) < 0) || |
| 347 | value >= array_nb) { |
| 348 | sprintf(string, "invalid argument %s", |
| 349 | argv[1]); |
| 350 | result = TEST_FAILED; |
| 351 | goto end; |
| 352 | } |
| 353 | |
| 354 | if (argc > (array[value].max_args + 2)) { |
| 355 | sprintf(string, "invalid nb of args %d, max %d", |
| 356 | argc - 2, array[value].max_args); |
| 357 | result = TEST_FAILED; |
| 358 | goto end; |
| 359 | } |
| 360 | |
| 361 | printf("execute %d:%s\n", (int)value, array[value].name); |
| 362 | clear_ctrlc(); |
| 363 | result = array[value].fct(priv->ctl, priv->phy, |
| 364 | string, argc - 2, &argv[2]); |
| 365 | |
| 366 | end: |
| 367 | printf("Result: %s [%s]\n", s_result[result], string); |
| 368 | } |
| 369 | #endif |
| 370 | |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 371 | bool stm32mp1_ddr_interactive(void *priv, |
| 372 | enum stm32mp1_ddr_interact_step step, |
| 373 | const struct stm32mp1_ddr_config *config) |
| 374 | { |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 375 | char buffer[CONFIG_SYS_CBSIZE]; |
| 376 | char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ |
| 377 | int argc; |
| 378 | static int next_step = -1; |
| 379 | |
| 380 | if (next_step < 0 && step == STEP_DDR_RESET) { |
| 381 | #ifdef CONFIG_STM32MP1_DDR_INTERACTIVE_FORCE |
| 382 | gd->flags &= ~(GD_FLG_SILENT | |
| 383 | GD_FLG_DISABLE_CONSOLE); |
| 384 | next_step = STEP_DDR_RESET; |
| 385 | #else |
| 386 | unsigned long start = get_timer(0); |
| 387 | |
| 388 | while (1) { |
Heinrich Schuchardt | c4954fb | 2020-10-07 18:11:48 +0200 | [diff] [blame] | 389 | if (tstc() && (getchar() == 'd')) { |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 390 | next_step = STEP_DDR_RESET; |
| 391 | break; |
| 392 | } |
| 393 | if (get_timer(start) > 100) |
| 394 | break; |
| 395 | } |
| 396 | #endif |
| 397 | } |
| 398 | |
Patrick Delaunay | 753f536 | 2020-11-06 19:01:36 +0100 | [diff] [blame] | 399 | log_debug("** step %d ** %s / %d\n", step, step_str[step], next_step); |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 400 | |
| 401 | if (next_step < 0) |
| 402 | return false; |
| 403 | |
| 404 | if (step < 0 || step > ARRAY_SIZE(step_str)) { |
| 405 | printf("** step %d ** INVALID\n", step); |
| 406 | return false; |
| 407 | } |
| 408 | |
| 409 | printf("%d:%s\n", step, step_str[step]); |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 410 | |
| 411 | if (next_step > step) |
| 412 | return false; |
| 413 | |
| 414 | while (next_step == step) { |
Patrick Delaunay | eed3335 | 2020-03-06 11:14:05 +0100 | [diff] [blame] | 415 | cli_readline_into_buffer("DDR>", buffer, 0); |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 416 | argc = cli_simple_parse_line(buffer, argv); |
| 417 | if (!argc) |
| 418 | continue; |
| 419 | |
| 420 | switch (stm32mp1_get_command(argv[0], argc)) { |
| 421 | case DDR_CMD_HELP: |
| 422 | stm32mp1_do_usage(); |
| 423 | break; |
| 424 | |
| 425 | case DDR_CMD_INFO: |
| 426 | stm32mp1_do_info(priv, |
| 427 | (struct stm32mp1_ddr_config *)config, |
| 428 | step, argc, argv); |
| 429 | break; |
| 430 | |
| 431 | case DDR_CMD_FREQ: |
| 432 | if (stm32mp1_do_freq(priv, argc, argv)) |
| 433 | next_step = STEP_DDR_RESET; |
| 434 | break; |
| 435 | |
| 436 | case DDR_CMD_RESET: |
| 437 | do_reset(NULL, 0, 0, NULL); |
| 438 | break; |
| 439 | |
| 440 | case DDR_CMD_PARAM: |
| 441 | stm32mp1_do_param(step, config, argc, argv); |
| 442 | break; |
| 443 | |
| 444 | case DDR_CMD_PRINT: |
| 445 | stm32mp1_do_print(priv, argc, argv); |
| 446 | break; |
| 447 | |
| 448 | case DDR_CMD_EDIT: |
| 449 | stm32mp1_edit_reg(priv, argv[1], argv[2]); |
| 450 | break; |
| 451 | |
| 452 | case DDR_CMD_GO: |
| 453 | next_step = STEP_RUN; |
| 454 | break; |
| 455 | |
| 456 | case DDR_CMD_NEXT: |
| 457 | next_step = step + 1; |
| 458 | break; |
| 459 | |
| 460 | case DDR_CMD_STEP: |
| 461 | next_step = stm32mp1_do_step(step, argc, argv); |
| 462 | break; |
| 463 | |
Patrick Delaunay | 2b1c818 | 2019-04-10 14:09:28 +0200 | [diff] [blame] | 464 | #ifdef CONFIG_STM32MP1_DDR_TESTS |
| 465 | case DDR_CMD_TEST: |
| 466 | if (!stm32mp1_check_step(step, STEP_DDR_READY)) |
| 467 | continue; |
| 468 | stm32mp1_ddr_subcmd(priv, argc, argv, test, test_nb); |
| 469 | break; |
| 470 | #endif |
| 471 | |
Patrick Delaunay | 2f91e61 | 2019-04-10 14:09:29 +0200 | [diff] [blame] | 472 | #ifdef CONFIG_STM32MP1_DDR_TUNING |
| 473 | case DDR_CMD_TUNING: |
| 474 | if (!stm32mp1_check_step(step, STEP_DDR_READY)) |
| 475 | continue; |
| 476 | stm32mp1_ddr_subcmd(priv, argc, argv, |
| 477 | tuning, tuning_nb); |
| 478 | break; |
| 479 | #endif |
| 480 | |
Patrick Delaunay | bbee270 | 2019-04-10 14:09:27 +0200 | [diff] [blame] | 481 | default: |
| 482 | break; |
| 483 | } |
| 484 | } |
| 485 | return next_step == STEP_DDR_RESET; |
| 486 | } |