developer | a493865 | 2022-09-05 16:36:31 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2022, Mediatek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <assert.h> |
| 8 | #include <errno.h> |
| 9 | |
| 10 | #include <common/debug.h> |
| 11 | #include <drivers/arm/gicv3.h> |
| 12 | #include <lib/psci/psci.h> |
| 13 | #include <lib/utils.h> |
| 14 | #ifdef MTK_PUBEVENT_ENABLE |
| 15 | #include <mtk_event/mtk_pubsub_events.h> |
| 16 | #endif |
| 17 | #include <plat/arm/common/plat_arm.h> |
| 18 | #include <plat/common/platform.h> |
| 19 | |
Fengquan Chen | 67f11f0 | 2022-08-17 10:42:15 +0800 | [diff] [blame] | 20 | #include <dfd.h> |
developer | a493865 | 2022-09-05 16:36:31 +0800 | [diff] [blame] | 21 | #include <lib/mtk_init/mtk_init.h> |
| 22 | #include <lib/pm/mtk_pm.h> |
| 23 | #include <mt_gic_v3.h> |
| 24 | #include <platform_def.h> |
| 25 | |
| 26 | #define IS_AFFLV_PUBEVENT(_pstate) \ |
| 27 | ((_pstate & (MT_CPUPM_PWR_DOMAIN_MCUSYS | MT_CPUPM_PWR_DOMAIN_CLUSTER)) != 0) |
| 28 | |
| 29 | #ifdef MTK_PUBEVENT_ENABLE |
| 30 | #define MT_CPUPM_EVENT_PWR_ON(x) ({ \ |
| 31 | PUBLISH_EVENT_ARG(mt_cpupm_publish_pwr_on, (const void *)(x)); }) |
| 32 | |
| 33 | #define MT_CPUPM_EVENT_PWR_OFF(x) ({ \ |
| 34 | PUBLISH_EVENT_ARG(mt_cpupm_publish_pwr_off, (const void *)(x)); }) |
| 35 | |
| 36 | #define MT_CPUPM_EVENT_AFFLV_PWR_ON(x) ({ \ |
| 37 | PUBLISH_EVENT_ARG(mt_cpupm_publish_afflv_pwr_on, (const void *)(x)); }) |
| 38 | |
| 39 | #define MT_CPUPM_EVENT_AFFLV_PWR_OFF(x) ({ \ |
| 40 | PUBLISH_EVENT_ARG(mt_cpupm_publish_afflv_pwr_off, (const void *)(x)); }) |
| 41 | |
| 42 | #else |
| 43 | #define MT_CPUPM_EVENT_PWR_ON(x) ({ (void)x; }) |
| 44 | #define MT_CPUPM_EVENT_PWR_OFF(x) ({ (void)x; }) |
| 45 | #define MT_CPUPM_EVENT_AFFLV_PWR_ON(x) ({ (void)x; }) |
| 46 | #define MT_CPUPM_EVENT_AFFLV_PWR_OFF(x) ({ (void)x; }) |
| 47 | #endif |
| 48 | |
| 49 | /* |
| 50 | * The cpu require to cluster power stattus |
| 51 | * [0] : The cpu require cluster power down |
| 52 | * [1] : The cpu require cluster power on |
| 53 | */ |
| 54 | #define coordinate_cluster(onoff) write_clusterpwrdn_el1(onoff) |
| 55 | #define coordinate_cluster_pwron() coordinate_cluster(1) |
| 56 | #define coordinate_cluster_pwroff() coordinate_cluster(0) |
| 57 | |
| 58 | /* defaultly disable all functions */ |
| 59 | #define MTK_CPUPM_FN_MASK_DEFAULT (0) |
| 60 | |
| 61 | struct mtk_cpu_pwr_ctrl { |
| 62 | unsigned int fn_mask; |
| 63 | struct mtk_cpu_pm_ops *ops; |
| 64 | struct mtk_cpu_smp_ops *smp; |
| 65 | }; |
| 66 | |
| 67 | static struct mtk_cpu_pwr_ctrl mtk_cpu_pwr = { |
| 68 | .fn_mask = MTK_CPUPM_FN_MASK_DEFAULT, |
| 69 | .ops = NULL, |
| 70 | }; |
| 71 | |
| 72 | #define IS_CPUIDLE_FN_ENABLE(x) ((mtk_cpu_pwr.ops != NULL) && ((mtk_cpu_pwr.fn_mask & x) != 0)) |
| 73 | #define IS_CPUSMP_FN_ENABLE(x) ((mtk_cpu_pwr.smp != NULL) && ((mtk_cpu_pwr.fn_mask & x) != 0)) |
| 74 | |
| 75 | /* per-cpu power state */ |
| 76 | static unsigned int armv8_2_power_state[PLATFORM_CORE_COUNT]; |
| 77 | |
| 78 | #define armv8_2_get_pwr_stateid(cpu) psci_get_pstate_id(armv8_2_power_state[cpu]) |
| 79 | |
| 80 | static unsigned int get_mediatek_pstate(unsigned int domain, unsigned int psci_state, |
| 81 | struct mtk_cpupm_pwrstate *state) |
| 82 | { |
| 83 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_CPUPM_GET_PWR_STATE)) { |
| 84 | return mtk_cpu_pwr.ops->get_pstate(domain, psci_state, state); |
| 85 | } |
| 86 | |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | unsigned int armv8_2_get_pwr_afflv(const psci_power_state_t *state_info) |
| 91 | { |
| 92 | int i; |
| 93 | |
| 94 | for (i = (int)PLAT_MAX_PWR_LVL; i >= (int)PSCI_CPU_PWR_LVL; i--) { |
| 95 | if (is_local_state_run(state_info->pwr_domain_state[i]) == 0) { |
| 96 | return (unsigned int) i; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | return PSCI_INVALID_PWR_LVL; |
| 101 | } |
| 102 | |
| 103 | /* MediaTek mcusys power on control interface */ |
| 104 | static void armv8_2_mcusys_pwr_on_common(const struct mtk_cpupm_pwrstate *state) |
| 105 | { |
| 106 | mt_gic_init(); |
| 107 | mt_gic_distif_restore(); |
| 108 | gic_sgi_restore_all(); |
| 109 | |
Fengquan Chen | 67f11f0 | 2022-08-17 10:42:15 +0800 | [diff] [blame] | 110 | dfd_resume(); |
| 111 | |
developer | a493865 | 2022-09-05 16:36:31 +0800 | [diff] [blame] | 112 | /* Add code here that behavior before system enter mcusys'on */ |
| 113 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_RESUME_MCUSYS)) { |
| 114 | mtk_cpu_pwr.ops->mcusys_resume(state); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | /* MediaTek mcusys power down control interface */ |
| 119 | static void armv8_2_mcusys_pwr_dwn_common(const struct mtk_cpupm_pwrstate *state) |
| 120 | { |
| 121 | mt_gic_distif_save(); |
| 122 | gic_sgi_save_all(); |
| 123 | |
| 124 | /* Add code here that behaves before entering mcusys off */ |
| 125 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_SUSPEND_MCUSYS)) { |
| 126 | mtk_cpu_pwr.ops->mcusys_suspend(state); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /* MediaTek Cluster power on control interface */ |
| 131 | static void armv8_2_cluster_pwr_on_common(const struct mtk_cpupm_pwrstate *state) |
| 132 | { |
| 133 | /* Add code here that behavior before system enter cluster'on */ |
| 134 | #if defined(MTK_CM_MGR) && !defined(MTK_FPGA_EARLY_PORTING) |
| 135 | /* init cpu stall counter */ |
| 136 | init_cpu_stall_counter_all(); |
| 137 | #endif |
| 138 | |
| 139 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_RESUME_CLUSTER)) { |
| 140 | mtk_cpu_pwr.ops->cluster_resume(state); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | /* MediaTek Cluster power down control interface */ |
| 145 | static void armv8_2_cluster_pwr_dwn_common(const struct mtk_cpupm_pwrstate *state) |
| 146 | { |
| 147 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_SUSPEND_CLUSTER)) { |
| 148 | mtk_cpu_pwr.ops->cluster_suspend(state); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | /* MediaTek CPU power on control interface */ |
| 153 | static void armv8_2_cpu_pwr_on_common(const struct mtk_cpupm_pwrstate *state, unsigned int pstate) |
| 154 | { |
| 155 | coordinate_cluster_pwron(); |
| 156 | |
| 157 | gicv3_rdistif_on(plat_my_core_pos()); |
| 158 | gicv3_cpuif_enable(plat_my_core_pos()); |
| 159 | mt_gic_rdistif_init(); |
| 160 | |
| 161 | /* If MCUSYS has been powered down then restore GIC redistributor for all CPUs. */ |
| 162 | if (IS_PLAT_SYSTEM_RETENTION(state->pwr.afflv)) { |
| 163 | mt_gic_rdistif_restore_all(); |
| 164 | } else { |
| 165 | mt_gic_rdistif_restore(); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | /* MediaTek CPU power down control interface */ |
| 170 | static void armv8_2_cpu_pwr_dwn_common(const struct mtk_cpupm_pwrstate *state, unsigned int pstate) |
| 171 | { |
| 172 | if ((pstate & MT_CPUPM_PWR_DOMAIN_PERCORE_DSU) != 0) { |
| 173 | coordinate_cluster_pwroff(); |
| 174 | } |
| 175 | |
| 176 | mt_gic_rdistif_save(); |
| 177 | gicv3_cpuif_disable(plat_my_core_pos()); |
| 178 | gicv3_rdistif_off(plat_my_core_pos()); |
| 179 | } |
| 180 | |
| 181 | static void armv8_2_cpu_pwr_resume(const struct mtk_cpupm_pwrstate *state, unsigned int pstate) |
| 182 | { |
| 183 | armv8_2_cpu_pwr_on_common(state, pstate); |
| 184 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_RESUME_CORE)) { |
| 185 | mtk_cpu_pwr.ops->cpu_resume(state); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | static void armv8_2_cpu_pwr_suspend(const struct mtk_cpupm_pwrstate *state, unsigned int pstate) |
| 190 | { |
| 191 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_SUSPEND_CORE)) { |
| 192 | mtk_cpu_pwr.ops->cpu_suspend(state); |
| 193 | } |
| 194 | armv8_2_cpu_pwr_dwn_common(state, pstate); |
| 195 | } |
| 196 | |
| 197 | static void armv8_2_cpu_pwr_on(const struct mtk_cpupm_pwrstate *state, unsigned int pstate) |
| 198 | { |
| 199 | armv8_2_cpu_pwr_on_common(state, pstate); |
| 200 | |
| 201 | if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_SMP_CORE_ON)) { |
| 202 | mtk_cpu_pwr.smp->cpu_on(state); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | static void armv8_2_cpu_pwr_off(const struct mtk_cpupm_pwrstate *state, unsigned int pstate) |
| 207 | { |
| 208 | if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_SMP_CORE_OFF)) { |
| 209 | mtk_cpu_pwr.smp->cpu_off(state); |
| 210 | } |
| 211 | armv8_2_cpu_pwr_dwn_common(state, pstate); |
| 212 | } |
| 213 | |
| 214 | /* MediaTek PSCI power domain */ |
| 215 | static int armv8_2_power_domain_on(u_register_t mpidr) |
| 216 | { |
| 217 | int ret = PSCI_E_SUCCESS; |
| 218 | int cpu = plat_core_pos_by_mpidr(mpidr); |
| 219 | uintptr_t entry = plat_pm_get_warm_entry(); |
| 220 | |
| 221 | if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_PWR_ON_CORE_PREPARE)) { |
| 222 | if (mtk_cpu_pwr.smp->cpu_pwr_on_prepare(cpu, entry) != 0) { |
| 223 | ret = PSCI_E_DENIED; |
| 224 | } |
| 225 | } |
| 226 | INFO("CPU %u power domain prepare on\n", cpu); |
| 227 | return ret; |
| 228 | } |
| 229 | |
| 230 | /* MediaTek PSCI power domain */ |
| 231 | static void armv8_2_power_domain_on_finish(const psci_power_state_t *state) |
| 232 | { |
| 233 | struct mt_cpupm_event_data nb; |
| 234 | unsigned int pstate = (MT_CPUPM_PWR_DOMAIN_CORE | MT_CPUPM_PWR_DOMAIN_PERCORE_DSU); |
| 235 | struct mtk_cpupm_pwrstate pm_state = { |
| 236 | .info = { |
| 237 | .cpuid = plat_my_core_pos(), |
| 238 | .mode = MTK_CPU_PM_SMP, |
| 239 | }, |
| 240 | .pwr = { |
| 241 | .afflv = armv8_2_get_pwr_afflv(state), |
| 242 | .state_id = 0x0, |
| 243 | }, |
| 244 | }; |
| 245 | |
| 246 | armv8_2_cpu_pwr_on(&pm_state, pstate); |
| 247 | |
| 248 | nb.cpuid = pm_state.info.cpuid; |
| 249 | nb.pwr_domain = pstate; |
| 250 | MT_CPUPM_EVENT_PWR_ON(&nb); |
| 251 | |
| 252 | INFO("CPU %u power domain on finished\n", pm_state.info.cpuid); |
| 253 | } |
| 254 | |
| 255 | /* MediaTek PSCI power domain */ |
| 256 | static void armv8_2_power_domain_off(const psci_power_state_t *state) |
| 257 | { |
| 258 | struct mt_cpupm_event_data nb; |
| 259 | unsigned int pstate = (MT_CPUPM_PWR_DOMAIN_CORE | MT_CPUPM_PWR_DOMAIN_PERCORE_DSU); |
| 260 | struct mtk_cpupm_pwrstate pm_state = { |
| 261 | .info = { |
| 262 | .cpuid = plat_my_core_pos(), |
| 263 | .mode = MTK_CPU_PM_SMP, |
| 264 | }, |
| 265 | .pwr = { |
| 266 | .afflv = armv8_2_get_pwr_afflv(state), |
| 267 | .state_id = 0x0, |
| 268 | }, |
| 269 | }; |
| 270 | armv8_2_cpu_pwr_off(&pm_state, pstate); |
| 271 | |
| 272 | nb.cpuid = pm_state.info.cpuid; |
| 273 | nb.pwr_domain = pstate; |
| 274 | MT_CPUPM_EVENT_PWR_OFF(&nb); |
| 275 | |
| 276 | INFO("CPU %u power domain off\n", pm_state.info.cpuid); |
| 277 | } |
| 278 | |
| 279 | /* MediaTek PSCI power domain */ |
| 280 | static void armv8_2_power_domain_suspend(const psci_power_state_t *state) |
| 281 | { |
| 282 | unsigned int pstate = 0; |
| 283 | struct mt_cpupm_event_data nb; |
| 284 | struct mtk_cpupm_pwrstate pm_state = { |
| 285 | .info = { |
| 286 | .cpuid = plat_my_core_pos(), |
| 287 | .mode = MTK_CPU_PM_CPUIDLE, |
| 288 | }, |
| 289 | }; |
| 290 | |
| 291 | pm_state.pwr.state_id = armv8_2_get_pwr_stateid(pm_state.info.cpuid); |
| 292 | pm_state.pwr.afflv = armv8_2_get_pwr_afflv(state); |
| 293 | pm_state.pwr.raw = state; |
| 294 | |
| 295 | pstate = get_mediatek_pstate(CPUPM_PWR_OFF, |
| 296 | armv8_2_power_state[pm_state.info.cpuid], &pm_state); |
| 297 | |
| 298 | armv8_2_cpu_pwr_suspend(&pm_state, pstate); |
| 299 | |
| 300 | if ((pstate & MT_CPUPM_PWR_DOMAIN_CLUSTER) != 0) { |
| 301 | armv8_2_cluster_pwr_dwn_common(&pm_state); |
| 302 | } |
| 303 | |
| 304 | if ((pstate & MT_CPUPM_PWR_DOMAIN_MCUSYS) != 0) { |
| 305 | armv8_2_mcusys_pwr_dwn_common(&pm_state); |
| 306 | } |
| 307 | |
| 308 | nb.cpuid = pm_state.info.cpuid; |
| 309 | nb.pwr_domain = pstate; |
| 310 | MT_CPUPM_EVENT_PWR_OFF(&nb); |
| 311 | |
| 312 | if (IS_AFFLV_PUBEVENT(pstate)) { |
| 313 | MT_CPUPM_EVENT_AFFLV_PWR_OFF(&nb); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | /* MediaTek PSCI power domain */ |
| 318 | static void armv8_2_power_domain_suspend_finish(const psci_power_state_t *state) |
| 319 | { |
| 320 | unsigned int pstate = 0; |
| 321 | struct mt_cpupm_event_data nb; |
| 322 | struct mtk_cpupm_pwrstate pm_state = { |
| 323 | .info = { |
| 324 | .cpuid = plat_my_core_pos(), |
| 325 | .mode = MTK_CPU_PM_CPUIDLE, |
| 326 | }, |
| 327 | }; |
| 328 | |
| 329 | pm_state.pwr.state_id = armv8_2_get_pwr_stateid(pm_state.info.cpuid); |
| 330 | pm_state.pwr.afflv = armv8_2_get_pwr_afflv(state); |
| 331 | pm_state.pwr.raw = state; |
| 332 | |
| 333 | pstate = get_mediatek_pstate(CPUPM_PWR_ON, |
| 334 | armv8_2_power_state[pm_state.info.cpuid], &pm_state); |
| 335 | |
| 336 | if ((pstate & MT_CPUPM_PWR_DOMAIN_MCUSYS) != 0) { |
| 337 | armv8_2_mcusys_pwr_on_common(&pm_state); |
| 338 | } |
| 339 | |
| 340 | if ((pstate & MT_CPUPM_PWR_DOMAIN_CLUSTER) != 0) { |
| 341 | armv8_2_cluster_pwr_on_common(&pm_state); |
| 342 | } |
| 343 | |
| 344 | armv8_2_cpu_pwr_resume(&pm_state, pstate); |
| 345 | |
| 346 | nb.cpuid = pm_state.info.cpuid; |
| 347 | nb.pwr_domain = pstate; |
| 348 | MT_CPUPM_EVENT_PWR_ON(&nb); |
| 349 | |
| 350 | if (IS_AFFLV_PUBEVENT(pstate)) { |
| 351 | MT_CPUPM_EVENT_AFFLV_PWR_ON(&nb); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | /* MediaTek PSCI power domain */ |
| 356 | static int armv8_2_validate_power_state(unsigned int power_state, psci_power_state_t *req_state) |
| 357 | { |
| 358 | unsigned int i; |
| 359 | unsigned int pstate = psci_get_pstate_type(power_state); |
| 360 | unsigned int aff_lvl = psci_get_pstate_pwrlvl(power_state); |
| 361 | unsigned int my_core_pos = plat_my_core_pos(); |
| 362 | |
| 363 | if (mtk_cpu_pwr.ops == NULL) { |
| 364 | return PSCI_E_INVALID_PARAMS; |
| 365 | } |
| 366 | |
| 367 | if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_PWR_STATE_VALID)) { |
| 368 | if (mtk_cpu_pwr.ops->pwr_state_valid(aff_lvl, pstate) != 0) { |
| 369 | return PSCI_E_INVALID_PARAMS; |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | if (pstate == PSTATE_TYPE_STANDBY) { |
| 374 | req_state->pwr_domain_state[0] = PLAT_MAX_RET_STATE; |
| 375 | } else { |
| 376 | for (i = PSCI_CPU_PWR_LVL; i <= aff_lvl; i++) { |
| 377 | req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE; |
| 378 | } |
| 379 | } |
| 380 | armv8_2_power_state[my_core_pos] = power_state; |
| 381 | |
| 382 | return PSCI_E_SUCCESS; |
| 383 | } |
| 384 | |
| 385 | /* MediaTek PSCI power domain */ |
| 386 | #if CONFIG_MTK_SUPPORT_SYSTEM_SUSPEND |
| 387 | static void armv8_2_get_sys_suspend_power_state(psci_power_state_t *req_state) |
| 388 | { |
| 389 | unsigned int i; |
| 390 | int ret; |
| 391 | unsigned int power_state; |
| 392 | unsigned int my_core_pos = plat_my_core_pos(); |
| 393 | |
| 394 | ret = mtk_cpu_pwr.ops->pwr_state_valid(PLAT_MAX_PWR_LVL, |
| 395 | PSTATE_TYPE_POWERDOWN); |
| 396 | |
| 397 | if (ret != MTK_CPUPM_E_OK) { |
| 398 | /* Avoid suspend due to platform is not ready. */ |
| 399 | req_state->pwr_domain_state[PSCI_CPU_PWR_LVL] = |
| 400 | PLAT_MAX_RET_STATE; |
| 401 | for (i = PSCI_CPU_PWR_LVL + 1; i <= PLAT_MAX_PWR_LVL; i++) { |
| 402 | req_state->pwr_domain_state[i] = PSCI_LOCAL_STATE_RUN; |
| 403 | } |
| 404 | |
| 405 | power_state = psci_make_powerstate(0, PSTATE_TYPE_STANDBY, PSCI_CPU_PWR_LVL); |
| 406 | } else { |
| 407 | for (i = PSCI_CPU_PWR_LVL; i <= PLAT_MAX_PWR_LVL; i++) { |
| 408 | req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE; |
| 409 | } |
| 410 | |
| 411 | power_state = psci_make_powerstate(MT_PLAT_PWR_STATE_SYSTEM_SUSPEND, |
| 412 | PSTATE_TYPE_POWERDOWN, PLAT_MAX_PWR_LVL); |
| 413 | } |
| 414 | |
| 415 | armv8_2_power_state[my_core_pos] = power_state; |
| 416 | flush_dcache_range((uintptr_t)&armv8_2_power_state[my_core_pos], |
| 417 | sizeof(armv8_2_power_state[my_core_pos])); |
| 418 | } |
| 419 | #endif |
| 420 | static void armv8_2_pm_smp_init(unsigned int cpu_id, uintptr_t entry_point) |
| 421 | { |
| 422 | if (entry_point == 0) { |
| 423 | ERROR("%s, warm_entry_point is null\n", __func__); |
| 424 | panic(); |
| 425 | } |
| 426 | if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_SMP_INIT)) { |
| 427 | mtk_cpu_pwr.smp->init(cpu_id, entry_point); |
| 428 | } |
| 429 | INFO("[%s:%d] - Initialize finished\n", __func__, __LINE__); |
| 430 | } |
| 431 | |
| 432 | static struct plat_pm_pwr_ctrl armv8_2_pwr_ops = { |
| 433 | .pwr_domain_suspend = armv8_2_power_domain_suspend, |
| 434 | .pwr_domain_suspend_finish = armv8_2_power_domain_suspend_finish, |
| 435 | .validate_power_state = armv8_2_validate_power_state, |
| 436 | #if CONFIG_MTK_SUPPORT_SYSTEM_SUSPEND |
| 437 | .get_sys_suspend_power_state = armv8_2_get_sys_suspend_power_state, |
| 438 | #endif |
| 439 | }; |
| 440 | |
| 441 | struct plat_pm_smp_ctrl armv8_2_smp_ops = { |
| 442 | .init = armv8_2_pm_smp_init, |
| 443 | .pwr_domain_on = armv8_2_power_domain_on, |
| 444 | .pwr_domain_off = armv8_2_power_domain_off, |
| 445 | .pwr_domain_on_finish = armv8_2_power_domain_on_finish, |
| 446 | }; |
| 447 | |
| 448 | #define ISSUE_CPU_PM_REG_FAIL(_success) ({ _success = false; assert(0); }) |
| 449 | |
| 450 | #define CPM_PM_FN_CHECK(_fns, _ops, _id, _func, _result, _flag) ({ \ |
| 451 | if ((_fns & _id)) { \ |
| 452 | if (_ops->_func) \ |
| 453 | _flag |= _id; \ |
| 454 | else { \ |
| 455 | ISSUE_CPU_PM_REG_FAIL(_result); \ |
| 456 | } \ |
| 457 | } }) |
| 458 | |
| 459 | int register_cpu_pm_ops(unsigned int fn_flags, struct mtk_cpu_pm_ops *ops) |
| 460 | { |
| 461 | bool success = true; |
| 462 | unsigned int fns = 0; |
| 463 | |
| 464 | if ((ops == NULL) || (mtk_cpu_pwr.ops != NULL)) { |
| 465 | ERROR("[%s:%d] register cpu_pm fail !!\n", __FILE__, __LINE__); |
| 466 | return MTK_CPUPM_E_ERR; |
| 467 | } |
| 468 | |
| 469 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_RESUME_CORE, |
| 470 | cpu_resume, success, fns); |
| 471 | |
| 472 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SUSPEND_CORE, |
| 473 | cpu_suspend, success, fns); |
| 474 | |
| 475 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_RESUME_CLUSTER, |
| 476 | cluster_resume, success, fns); |
| 477 | |
| 478 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SUSPEND_CLUSTER, |
| 479 | cluster_suspend, success, fns); |
| 480 | |
| 481 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_RESUME_MCUSYS, |
| 482 | mcusys_resume, success, fns); |
| 483 | |
| 484 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SUSPEND_MCUSYS, |
| 485 | mcusys_suspend, success, fns); |
| 486 | |
| 487 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_CPUPM_GET_PWR_STATE, |
| 488 | get_pstate, success, fns); |
| 489 | |
| 490 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_PWR_STATE_VALID, |
| 491 | pwr_state_valid, success, fns); |
| 492 | |
| 493 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_INIT, |
| 494 | init, success, fns); |
| 495 | |
| 496 | if (success) { |
| 497 | mtk_cpu_pwr.ops = ops; |
| 498 | mtk_cpu_pwr.fn_mask |= fns; |
| 499 | plat_pm_ops_setup_pwr(&armv8_2_pwr_ops); |
| 500 | INFO("[%s:%d] CPU pwr ops register success, support:0x%x\n", |
| 501 | __func__, __LINE__, fns); |
| 502 | } else { |
| 503 | ERROR("[%s:%d] register cpu_pm ops fail !, fn:0x%x\n", |
| 504 | __func__, __LINE__, fn_flags); |
| 505 | assert(0); |
| 506 | } |
| 507 | return MTK_CPUPM_E_OK; |
| 508 | } |
| 509 | |
| 510 | int register_cpu_smp_ops(unsigned int fn_flags, struct mtk_cpu_smp_ops *ops) |
| 511 | { |
| 512 | bool success = true; |
| 513 | unsigned int fns = 0; |
| 514 | |
| 515 | if ((ops == NULL) || (mtk_cpu_pwr.smp != NULL)) { |
| 516 | ERROR("[%s:%d] register cpu_smp fail !!\n", __FILE__, __LINE__); |
| 517 | return MTK_CPUPM_E_ERR; |
| 518 | } |
| 519 | |
| 520 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SMP_INIT, |
| 521 | init, success, fns); |
| 522 | |
| 523 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_PWR_ON_CORE_PREPARE, |
| 524 | cpu_pwr_on_prepare, success, fns); |
| 525 | |
| 526 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SMP_CORE_ON, |
| 527 | cpu_on, success, fns); |
| 528 | |
| 529 | CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SMP_CORE_OFF, |
| 530 | cpu_off, success, fns); |
| 531 | |
| 532 | if (success == true) { |
| 533 | mtk_cpu_pwr.smp = ops; |
| 534 | mtk_cpu_pwr.fn_mask |= fns; |
| 535 | plat_pm_ops_setup_smp(&armv8_2_smp_ops); |
| 536 | INFO("[%s:%d] CPU smp ops register success, support:0x%x\n", |
| 537 | __func__, __LINE__, fns); |
| 538 | } else { |
| 539 | ERROR("[%s:%d] register cpu_smp ops fail !, fn:0x%x\n", |
| 540 | __func__, __LINE__, fn_flags); |
| 541 | assert(0); |
| 542 | } |
| 543 | return MTK_CPUPM_E_OK; |
| 544 | } |