Jonny Svärd | a830f17 | 2021-06-07 16:57:00 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2019-2021 Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: Apache-2.0 |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
| 7 | * not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | #include "ethosu55_interface.h" |
| 19 | |
| 20 | #include "ethosu_common.h" |
| 21 | #include "ethosu_config.h" |
| 22 | #include "ethosu_device.h" |
Anton Moberg | 6eab40b | 2021-07-07 11:43:51 +0200 | [diff] [blame] | 23 | #include "ethosu_log.h" |
Jonny Svärd | a830f17 | 2021-06-07 16:57:00 +0200 | [diff] [blame] | 24 | |
| 25 | #include <assert.h> |
| 26 | #include <stddef.h> |
| 27 | #include <stdio.h> |
| 28 | |
| 29 | #define BASEP_OFFSET 4 |
| 30 | #define REG_OFFSET 4 |
| 31 | #define BYTES_1KB 1024 |
| 32 | |
| 33 | #define ADDRESS_BITS 48 |
| 34 | #define ADDRESS_MASK ((1ull << ADDRESS_BITS) - 1) |
| 35 | |
| 36 | enum ethosu_error_codes ethosu_dev_init(struct ethosu_device *dev, |
| 37 | const void *base_address, |
| 38 | uint32_t secure_enable, |
| 39 | uint32_t privilege_enable) |
| 40 | { |
| 41 | dev->base_address = (volatile uintptr_t)base_address; |
| 42 | dev->secure = secure_enable; |
| 43 | dev->privileged = privilege_enable; |
| 44 | |
| 45 | ethosu_dev_save_pmu_config(dev); |
| 46 | |
| 47 | return ETHOSU_SUCCESS; |
| 48 | } |
| 49 | |
| 50 | enum ethosu_error_codes ethosu_dev_get_id(struct ethosu_device *dev, struct ethosu_id *id) |
| 51 | { |
| 52 | struct id_r _id; |
| 53 | |
| 54 | _id.word = ethosu_dev_read_reg(dev, NPU_REG_ID); |
| 55 | |
| 56 | id->version_status = _id.version_status; |
| 57 | id->version_minor = _id.version_minor; |
| 58 | id->version_major = _id.version_major; |
| 59 | id->product_major = _id.product_major; |
| 60 | id->arch_patch_rev = _id.arch_patch_rev; |
| 61 | id->arch_minor_rev = _id.arch_minor_rev; |
| 62 | id->arch_major_rev = _id.arch_major_rev; |
| 63 | |
| 64 | return ETHOSU_SUCCESS; |
| 65 | } |
| 66 | |
| 67 | enum ethosu_error_codes ethosu_dev_get_config(struct ethosu_device *dev, struct ethosu_config *config) |
| 68 | { |
| 69 | struct config_r cfg = {.word = 0}; |
| 70 | |
| 71 | cfg.word = ethosu_dev_read_reg(dev, NPU_REG_CONFIG); |
| 72 | |
| 73 | config->macs_per_cc = cfg.macs_per_cc; |
| 74 | config->cmd_stream_version = cfg.cmd_stream_version; |
| 75 | config->shram_size = cfg.shram_size; |
| 76 | config->custom_dma = cfg.custom_dma; |
| 77 | |
| 78 | return ETHOSU_SUCCESS; |
| 79 | } |
| 80 | |
| 81 | enum ethosu_error_codes ethosu_dev_run_command_stream(struct ethosu_device *dev, |
| 82 | const uint8_t *cmd_stream_ptr, |
| 83 | uint32_t cms_length, |
| 84 | const uint64_t *base_addr, |
| 85 | int num_base_addr) |
| 86 | { |
| 87 | assert(num_base_addr <= ETHOSU_BASEP_INDEXES); |
| 88 | |
| 89 | uint64_t qbase = (uintptr_t)cmd_stream_ptr + BASE_POINTER_OFFSET; |
| 90 | assert(qbase <= ADDRESS_MASK); |
| 91 | LOG_DEBUG("QBASE=0x%016llx, QSIZE=%u, base_pointer_offset=0x%08x\n", qbase, cms_length, BASE_POINTER_OFFSET); |
| 92 | |
| 93 | ethosu_dev_write_reg(dev, NPU_REG_QBASE0, qbase & 0xffffffff); |
| 94 | ethosu_dev_write_reg(dev, NPU_REG_QBASE1, qbase >> 32); |
| 95 | ethosu_dev_write_reg(dev, NPU_REG_QSIZE, cms_length); |
| 96 | |
| 97 | for (int i = 0; i < num_base_addr; i++) |
| 98 | { |
| 99 | uint64_t addr = base_addr[i] + BASE_POINTER_OFFSET; |
| 100 | assert(addr <= ADDRESS_MASK); |
| 101 | LOG_DEBUG("BASEP%d=0x%016llx\n", i, addr); |
| 102 | ethosu_dev_write_reg(dev, NPU_REG_BASEP0 + (2 * i) * BASEP_OFFSET, addr & 0xffffffff); |
| 103 | ethosu_dev_write_reg(dev, NPU_REG_BASEP0 + (2 * i + 1) * BASEP_OFFSET, addr >> 32); |
| 104 | } |
| 105 | |
| 106 | return ethosu_dev_set_command_run(dev); |
| 107 | } |
| 108 | |
| 109 | enum ethosu_error_codes ethosu_dev_is_irq_raised(struct ethosu_device *dev, uint8_t *irq_raised) |
| 110 | { |
| 111 | struct status_r status; |
| 112 | |
| 113 | status.word = ethosu_dev_read_reg(dev, NPU_REG_STATUS); |
| 114 | |
| 115 | if (status.irq_raised == 1) |
| 116 | { |
| 117 | *irq_raised = 1; |
| 118 | } |
| 119 | else |
| 120 | { |
| 121 | *irq_raised = 0; |
| 122 | } |
| 123 | |
| 124 | return ETHOSU_SUCCESS; |
| 125 | } |
| 126 | |
| 127 | enum ethosu_error_codes ethosu_dev_clear_irq_status(struct ethosu_device *dev) |
| 128 | { |
| 129 | struct cmd_r oldcmd; |
| 130 | struct cmd_r cmd; |
| 131 | |
| 132 | oldcmd.word = ethosu_dev_read_reg(dev, NPU_REG_CMD); |
| 133 | |
| 134 | cmd.word = 0; |
| 135 | cmd.clear_irq = 1; |
| 136 | cmd.clock_q_enable = oldcmd.clock_q_enable; |
| 137 | cmd.power_q_enable = oldcmd.power_q_enable; |
| 138 | ethosu_dev_write_reg(dev, NPU_REG_CMD, cmd.word); |
| 139 | LOG_DEBUG("CMD=0x%08x\n", cmd.word); |
| 140 | |
| 141 | return ETHOSU_SUCCESS; |
| 142 | } |
| 143 | |
| 144 | enum ethosu_error_codes ethosu_dev_soft_reset(struct ethosu_device *dev) |
| 145 | { |
| 146 | enum ethosu_error_codes return_code = ETHOSU_SUCCESS; |
| 147 | struct reset_r reset; |
| 148 | struct prot_r prot; |
| 149 | |
| 150 | reset.word = 0; |
| 151 | reset.pending_CPL = dev->privileged ? PRIVILEGE_LEVEL_PRIVILEGED : PRIVILEGE_LEVEL_USER; |
| 152 | reset.pending_CSL = dev->secure ? SECURITY_LEVEL_SECURE : SECURITY_LEVEL_NON_SECURE; |
| 153 | |
| 154 | // Reset and set security level |
| 155 | LOG_INFO("Soft reset NPU\n"); |
| 156 | ethosu_dev_write_reg(dev, NPU_REG_RESET, reset.word); |
| 157 | |
| 158 | // Wait for reset to complete |
| 159 | return_code = ethosu_dev_wait_for_reset(dev); |
| 160 | if (return_code != ETHOSU_SUCCESS) |
| 161 | { |
| 162 | LOG_ERR("Soft reset timed out\n"); |
| 163 | return return_code; |
| 164 | } |
| 165 | |
| 166 | // Verify that NPU has switched security state and privilege level |
| 167 | prot.word = ethosu_dev_read_reg(dev, NPU_REG_PROT); |
| 168 | if (prot.active_CPL != reset.pending_CPL || prot.active_CSL != reset.pending_CSL) |
| 169 | { |
| 170 | LOG_ERR("Failed to switch security state and privilege level\n"); |
| 171 | // Register access not permitted |
| 172 | return ETHOSU_GENERIC_FAILURE; |
| 173 | } |
| 174 | |
| 175 | // Save the prot register |
| 176 | dev->proto = prot.word; |
| 177 | |
| 178 | // Soft reset will clear the PMU configuration and counters. The shadow PMU counters |
| 179 | // are cleared by saving the PMU counters to ram, which will read back zeros. |
| 180 | // The PMU configuration will be restored in the invoke function after power save |
| 181 | // has been disabled. |
| 182 | ethosu_dev_save_pmu_counters(dev); |
| 183 | |
| 184 | return return_code; |
| 185 | } |
| 186 | |
| 187 | enum ethosu_error_codes ethosu_dev_wait_for_reset(struct ethosu_device *dev) |
| 188 | { |
| 189 | struct status_r status; |
| 190 | |
| 191 | // Wait until reset status indicates that reset has been completed |
| 192 | for (int i = 0; i < 100000; i++) |
| 193 | { |
| 194 | status.word = ethosu_dev_read_reg(dev, NPU_REG_STATUS); |
| 195 | if (0 == status.reset_status) |
| 196 | { |
| 197 | break; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | if (1 == status.reset_status) |
| 202 | { |
| 203 | return ETHOSU_GENERIC_FAILURE; |
| 204 | } |
| 205 | |
| 206 | return ETHOSU_SUCCESS; |
| 207 | } |
| 208 | |
| 209 | enum ethosu_error_codes ethosu_dev_read_apb_reg(struct ethosu_device *dev, |
| 210 | uint32_t start_address, |
| 211 | uint16_t num_reg, |
| 212 | uint32_t *reg) |
| 213 | { |
| 214 | uint32_t address = start_address; |
| 215 | |
| 216 | assert((start_address + num_reg) < ID_REGISTERS_SIZE); |
| 217 | |
| 218 | for (int i = 0; i < num_reg; i++) |
| 219 | { |
| 220 | reg[i] = ethosu_dev_read_reg(dev, address); |
| 221 | address += REG_OFFSET; |
| 222 | } |
| 223 | |
| 224 | return ETHOSU_SUCCESS; |
| 225 | } |
| 226 | |
| 227 | enum ethosu_error_codes ethosu_dev_set_qconfig(struct ethosu_device *dev, enum ethosu_memory_type memory_type) |
| 228 | { |
| 229 | if (memory_type > ETHOSU_AXI1_OUTSTANDING_COUNTER3) |
| 230 | { |
| 231 | return ETHOSU_INVALID_PARAM; |
| 232 | } |
| 233 | ethosu_dev_write_reg(dev, NPU_REG_QCONFIG, memory_type); |
| 234 | LOG_DEBUG("QCONFIG=0x%08x\n", memory_type); |
| 235 | |
| 236 | return ETHOSU_SUCCESS; |
| 237 | } |
| 238 | |
| 239 | enum ethosu_error_codes ethosu_dev_set_regioncfg(struct ethosu_device *dev, |
| 240 | uint8_t region, |
| 241 | enum ethosu_memory_type memory_type) |
| 242 | { |
| 243 | struct regioncfg_r regioncfg; |
| 244 | |
| 245 | if (region > 7) |
| 246 | { |
| 247 | return ETHOSU_INVALID_PARAM; |
| 248 | } |
| 249 | |
| 250 | regioncfg.word = ethosu_dev_read_reg(dev, NPU_REG_REGIONCFG); |
| 251 | regioncfg.word &= ~(0x3 << (2 * region)); |
| 252 | regioncfg.word |= (memory_type & 0x3) << (2 * region); |
| 253 | ethosu_dev_write_reg(dev, NPU_REG_REGIONCFG, regioncfg.word); |
| 254 | LOG_DEBUG("REGIONCFG%u=0x%08x\n", region, regioncfg.word); |
| 255 | |
| 256 | return ETHOSU_SUCCESS; |
| 257 | } |
| 258 | |
| 259 | enum ethosu_error_codes ethosu_dev_set_axi_limit0(struct ethosu_device *dev, |
| 260 | enum ethosu_axi_limit_beats max_beats, |
| 261 | enum ethosu_axi_limit_mem_type memtype, |
| 262 | uint8_t max_reads, |
| 263 | uint8_t max_writes) |
| 264 | { |
| 265 | struct axi_limit0_r axi_limit0; |
| 266 | |
| 267 | axi_limit0.word = 0; |
| 268 | axi_limit0.max_beats = max_beats; |
| 269 | axi_limit0.memtype = memtype; |
| 270 | axi_limit0.max_outstanding_read_m1 = max_reads - 1; |
| 271 | axi_limit0.max_outstanding_write_m1 = max_writes - 1; |
| 272 | |
| 273 | ethosu_dev_write_reg(dev, NPU_REG_AXI_LIMIT0, axi_limit0.word); |
| 274 | LOG_DEBUG("AXI_LIMIT0=0x%08x\n", axi_limit0.word); |
| 275 | |
| 276 | return ETHOSU_SUCCESS; |
| 277 | } |
| 278 | |
| 279 | enum ethosu_error_codes ethosu_dev_set_axi_limit1(struct ethosu_device *dev, |
| 280 | enum ethosu_axi_limit_beats max_beats, |
| 281 | enum ethosu_axi_limit_mem_type memtype, |
| 282 | uint8_t max_reads, |
| 283 | uint8_t max_writes) |
| 284 | { |
| 285 | struct axi_limit1_r axi_limit1; |
| 286 | |
| 287 | axi_limit1.word = 0; |
| 288 | axi_limit1.max_beats = max_beats; |
| 289 | axi_limit1.memtype = memtype; |
| 290 | axi_limit1.max_outstanding_read_m1 = max_reads - 1; |
| 291 | axi_limit1.max_outstanding_write_m1 = max_writes - 1; |
| 292 | |
| 293 | ethosu_dev_write_reg(dev, NPU_REG_AXI_LIMIT1, axi_limit1.word); |
| 294 | LOG_DEBUG("AXI_LIMIT1=0x%08x\n", axi_limit1.word); |
| 295 | |
| 296 | return ETHOSU_SUCCESS; |
| 297 | } |
| 298 | |
| 299 | enum ethosu_error_codes ethosu_dev_set_axi_limit2(struct ethosu_device *dev, |
| 300 | enum ethosu_axi_limit_beats max_beats, |
| 301 | enum ethosu_axi_limit_mem_type memtype, |
| 302 | uint8_t max_reads, |
| 303 | uint8_t max_writes) |
| 304 | { |
| 305 | struct axi_limit2_r axi_limit2; |
| 306 | |
| 307 | axi_limit2.word = 0; |
| 308 | axi_limit2.max_beats = max_beats; |
| 309 | axi_limit2.memtype = memtype; |
| 310 | axi_limit2.max_outstanding_read_m1 = max_reads - 1; |
| 311 | axi_limit2.max_outstanding_write_m1 = max_writes - 1; |
| 312 | |
| 313 | ethosu_dev_write_reg(dev, NPU_REG_AXI_LIMIT2, axi_limit2.word); |
| 314 | LOG_DEBUG("AXI_LIMIT2=0x%08x\n", axi_limit2.word); |
| 315 | |
| 316 | return ETHOSU_SUCCESS; |
| 317 | } |
| 318 | |
| 319 | enum ethosu_error_codes ethosu_dev_set_axi_limit3(struct ethosu_device *dev, |
| 320 | enum ethosu_axi_limit_beats max_beats, |
| 321 | enum ethosu_axi_limit_mem_type memtype, |
| 322 | uint8_t max_reads, |
| 323 | uint8_t max_writes) |
| 324 | { |
| 325 | struct axi_limit3_r axi_limit3; |
| 326 | |
| 327 | axi_limit3.word = 0; |
| 328 | axi_limit3.max_beats = max_beats; |
| 329 | axi_limit3.memtype = memtype; |
| 330 | axi_limit3.max_outstanding_read_m1 = max_reads - 1; |
| 331 | axi_limit3.max_outstanding_write_m1 = max_writes - 1; |
| 332 | |
| 333 | ethosu_dev_write_reg(dev, NPU_REG_AXI_LIMIT3, axi_limit3.word); |
| 334 | LOG_DEBUG("AXI_LIMIT3=0x%08x\n", axi_limit3.word); |
| 335 | |
| 336 | return ETHOSU_SUCCESS; |
| 337 | } |
| 338 | |
| 339 | enum ethosu_error_codes ethosu_dev_get_revision(struct ethosu_device *dev, uint32_t *revision) |
| 340 | { |
| 341 | *revision = ethosu_dev_read_reg(dev, NPU_REG_REVISION); |
| 342 | |
| 343 | return ETHOSU_SUCCESS; |
| 344 | } |
| 345 | |
| 346 | uint32_t ethosu_dev_get_qread(struct ethosu_device *dev) |
| 347 | { |
| 348 | return ethosu_dev_read_reg(dev, NPU_REG_QREAD); |
| 349 | } |
| 350 | |
| 351 | uint32_t ethosu_dev_get_status(struct ethosu_device *dev) |
| 352 | { |
| 353 | return ethosu_dev_read_reg(dev, NPU_REG_STATUS); |
| 354 | } |
| 355 | |
| 356 | enum ethosu_error_codes ethosu_dev_get_status_mask(struct ethosu_device *dev, uint16_t *status_mask) |
| 357 | { |
| 358 | struct status_r status; |
| 359 | |
| 360 | status.word = ethosu_dev_read_reg(dev, NPU_REG_STATUS); |
| 361 | *status_mask = status.word & 0xFFFF; |
| 362 | |
| 363 | return ETHOSU_SUCCESS; |
| 364 | } |
| 365 | |
| 366 | enum ethosu_error_codes ethosu_dev_get_irq_history_mask(struct ethosu_device *dev, uint16_t *irq_history_mask) |
| 367 | { |
| 368 | struct status_r status; |
| 369 | |
| 370 | status.word = ethosu_dev_read_reg(dev, NPU_REG_STATUS); |
| 371 | *irq_history_mask = status.irq_history_mask; |
| 372 | |
| 373 | return ETHOSU_SUCCESS; |
| 374 | } |
| 375 | |
| 376 | enum ethosu_error_codes ethosu_dev_clear_irq_history_mask(struct ethosu_device *dev, uint16_t irq_history_clear_mask) |
| 377 | { |
| 378 | struct cmd_r oldcmd; |
| 379 | struct cmd_r cmd; |
| 380 | |
| 381 | oldcmd.word = ethosu_dev_read_reg(dev, NPU_REG_CMD); |
| 382 | |
| 383 | cmd.word = 0; |
| 384 | cmd.clock_q_enable = oldcmd.clock_q_enable; |
| 385 | cmd.power_q_enable = oldcmd.power_q_enable; |
| 386 | cmd.clear_irq_history = irq_history_clear_mask; |
| 387 | |
| 388 | ethosu_dev_write_reg(dev, NPU_REG_CMD, cmd.word); |
| 389 | LOG_DEBUG("CMD=0x%08x\n", cmd.word); |
| 390 | |
| 391 | return ETHOSU_SUCCESS; |
| 392 | } |
| 393 | |
| 394 | enum ethosu_error_codes ethosu_dev_set_command_run(struct ethosu_device *dev) |
| 395 | { |
| 396 | struct cmd_r oldcmd; |
| 397 | struct cmd_r cmd; |
| 398 | |
| 399 | oldcmd.word = ethosu_dev_read_reg(dev, NPU_REG_CMD); |
| 400 | |
| 401 | cmd.word = 0; |
| 402 | cmd.transition_to_running_state = 1; |
| 403 | cmd.clock_q_enable = oldcmd.clock_q_enable; |
| 404 | cmd.power_q_enable = oldcmd.power_q_enable; |
| 405 | |
| 406 | ethosu_dev_write_reg(dev, NPU_REG_CMD, cmd.word); |
| 407 | LOG_DEBUG("CMD=0x%08x\n", cmd.word); |
| 408 | |
| 409 | return ETHOSU_SUCCESS; |
| 410 | } |
| 411 | |
| 412 | enum ethosu_error_codes ethosu_dev_get_shram_data(struct ethosu_device *dev, int section, uint32_t *shram_p) |
| 413 | { |
| 414 | int i = 0; |
| 415 | uint32_t address = NPU_REG_SHARED_BUFFER0; |
| 416 | |
| 417 | ethosu_dev_write_reg(dev, NPU_REG_DEBUG_ADDRESS, section * BYTES_1KB); |
| 418 | |
| 419 | while (address <= NPU_REG_SHARED_BUFFER255) |
| 420 | { |
| 421 | shram_p[i] = ethosu_dev_read_reg(dev, address); |
| 422 | address += REG_OFFSET; |
| 423 | i++; |
| 424 | } |
| 425 | |
| 426 | return ETHOSU_SUCCESS; |
| 427 | } |
| 428 | |
| 429 | enum ethosu_error_codes ethosu_dev_set_clock_and_power(struct ethosu_device *dev, |
| 430 | enum ethosu_clock_q_request clock_q, |
| 431 | enum ethosu_power_q_request power_q) |
| 432 | { |
| 433 | struct cmd_r cmd; |
| 434 | |
| 435 | cmd.word = 0; |
| 436 | cmd.clock_q_enable = clock_q; |
| 437 | cmd.power_q_enable = power_q; |
| 438 | ethosu_dev_write_reg(dev, NPU_REG_CMD, cmd.word); |
| 439 | LOG_DEBUG("CMD=0x%08x\n", cmd.word); |
| 440 | |
| 441 | return ETHOSU_SUCCESS; |
| 442 | } |
| 443 | |
| 444 | uint32_t ethosu_dev_read_reg(struct ethosu_device *dev, uint32_t address) |
| 445 | { |
| 446 | assert(dev->base_address != 0); |
| 447 | assert(address % 4 == 0); |
| 448 | |
| 449 | volatile uint32_t *reg = (volatile uint32_t *)(dev->base_address + address); |
| 450 | return *reg; |
| 451 | } |
| 452 | |
| 453 | void ethosu_dev_write_reg(struct ethosu_device *dev, uint32_t address, uint32_t value) |
| 454 | { |
| 455 | assert(dev->base_address != 0); |
| 456 | assert(address % 4 == 0); |
| 457 | |
| 458 | volatile uint32_t *reg = (volatile uint32_t *)(dev->base_address + address); |
| 459 | *reg = value; |
| 460 | } |
| 461 | |
| 462 | void ethosu_dev_write_reg_shadow(struct ethosu_device *dev, uint32_t address, uint32_t value, uint32_t *shadow) |
| 463 | { |
| 464 | ethosu_dev_write_reg(dev, address, value); |
| 465 | *shadow = ethosu_dev_read_reg(dev, address); |
| 466 | } |
| 467 | |
| 468 | enum ethosu_error_codes ethosu_dev_save_pmu_config(struct ethosu_device *dev) |
| 469 | { |
| 470 | // Save the PMU control register |
| 471 | dev->pmcr = ethosu_dev_read_reg(dev, NPU_REG_PMCR); |
| 472 | |
| 473 | // Save IRQ control |
| 474 | dev->pmint = ethosu_dev_read_reg(dev, NPU_REG_PMINTSET); |
| 475 | |
| 476 | // Save the enabled events mask |
| 477 | dev->pmcnten = ethosu_dev_read_reg(dev, NPU_REG_PMCNTENSET); |
| 478 | |
| 479 | // Save start and stop event |
| 480 | dev->pmccntr_cfg = ethosu_dev_read_reg(dev, NPU_REG_PMCCNTR_CFG); |
| 481 | |
| 482 | // Save the event settings and counters |
| 483 | for (uint32_t i = 0; i < ETHOSU_PMU_NCOUNTERS; i++) |
| 484 | { |
| 485 | dev->pmu_evtypr[i] = ethosu_dev_read_reg(dev, NPU_REG_PMEVTYPER0 + i * sizeof(uint32_t)); |
| 486 | } |
| 487 | |
| 488 | return ETHOSU_SUCCESS; |
| 489 | } |
| 490 | |
| 491 | enum ethosu_error_codes ethosu_dev_restore_pmu_config(struct ethosu_device *dev) |
| 492 | { |
| 493 | // Restore PMU control register |
| 494 | ethosu_dev_write_reg(dev, NPU_REG_PMCR, dev->pmcr); |
| 495 | |
| 496 | // Restore IRQ control |
| 497 | ethosu_dev_write_reg(dev, NPU_REG_PMINTSET, dev->pmint); |
| 498 | |
| 499 | // Restore enabled event mask |
| 500 | ethosu_dev_write_reg(dev, NPU_REG_PMCNTENSET, dev->pmcnten); |
| 501 | |
| 502 | // Restore start and stop event |
| 503 | ethosu_dev_write_reg(dev, NPU_REG_PMCCNTR_CFG, dev->pmccntr_cfg); |
| 504 | |
| 505 | // Save the event settings and counters |
| 506 | for (uint32_t i = 0; i < ETHOSU_PMU_NCOUNTERS; i++) |
| 507 | { |
| 508 | ethosu_dev_write_reg(dev, NPU_REG_PMEVTYPER0 + i * sizeof(uint32_t), dev->pmu_evtypr[i]); |
| 509 | } |
| 510 | |
| 511 | return ETHOSU_SUCCESS; |
| 512 | } |
| 513 | |
| 514 | enum ethosu_error_codes ethosu_dev_save_pmu_counters(struct ethosu_device *dev) |
| 515 | { |
| 516 | // Save the cycle counter |
| 517 | dev->pmccntr[0] = ethosu_dev_read_reg(dev, NPU_REG_PMCCNTR_LO); |
| 518 | dev->pmccntr[1] = ethosu_dev_read_reg(dev, NPU_REG_PMCCNTR_HI); |
| 519 | |
| 520 | // Save the event settings and counters |
| 521 | for (uint32_t i = 0; i < ETHOSU_PMU_NCOUNTERS; i++) |
| 522 | { |
| 523 | dev->pmu_evcntr[i] = ethosu_dev_read_reg(dev, NPU_REG_PMEVCNTR0 + i * sizeof(uint32_t)); |
| 524 | } |
| 525 | |
| 526 | return ETHOSU_SUCCESS; |
| 527 | } |
| 528 | |
| 529 | bool ethosu_dev_prot_has_changed(struct ethosu_device *dev) |
| 530 | { |
| 531 | if (dev->proto != ethosu_dev_read_reg(dev, NPU_REG_PROT)) |
| 532 | { |
| 533 | return true; |
| 534 | } |
| 535 | |
| 536 | return false; |
| 537 | } |
| 538 | |
| 539 | bool ethosu_dev_status_has_error(struct ethosu_device *dev) |
| 540 | { |
| 541 | bool status_error = false; |
| 542 | struct status_r status; |
| 543 | |
| 544 | status.word = ethosu_dev_read_reg(dev, NPU_REG_STATUS); |
| 545 | status_error = ((1 == status.bus_status) || (1 == status.cmd_parse_error) || (1 == status.wd_fault) || |
| 546 | (1 == status.ecc_fault)); |
| 547 | |
| 548 | return status_error; |
| 549 | } |