Edward-JW Yang | 1c7fd0b | 2021-06-28 11:29:51 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2021, MediaTek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <common/debug.h> |
| 8 | #include <lib/mmio.h> |
| 9 | #include <mt_spm.h> |
| 10 | #include <mt_spm_conservation.h> |
| 11 | #include <mt_spm_internal.h> |
| 12 | #include <mt_spm_rc_internal.h> |
| 13 | #include <mt_spm_reg.h> |
| 14 | #include <mt_spm_resource_req.h> |
| 15 | #include <mt_spm_suspend.h> |
| 16 | #include <plat_pm.h> |
| 17 | #include <uart.h> |
| 18 | |
| 19 | #define SPM_SUSPEND_SLEEP_PCM_FLAG \ |
| 20 | (SPM_FLAG_DISABLE_INFRA_PDN | \ |
| 21 | SPM_FLAG_DISABLE_VCORE_DVS | \ |
| 22 | SPM_FLAG_DISABLE_VCORE_DFS | \ |
| 23 | SPM_FLAG_KEEP_CSYSPWRACK_HIGH | \ |
| 24 | SPM_FLAG_DISABLE_DRAMC_MCU_SRAM_SLEEP | \ |
| 25 | SPM_FLAG_SRAM_SLEEP_CTRL) |
| 26 | |
| 27 | #define SPM_SUSPEND_SLEEP_PCM_FLAG1 0 |
| 28 | |
| 29 | #define SPM_SUSPEND_PCM_FLAG \ |
| 30 | (SPM_FLAG_DISABLE_VCORE_DVS | \ |
| 31 | SPM_FLAG_DISABLE_VCORE_DFS | \ |
| 32 | SPM_FLAG_ENABLE_TIA_WORKAROUND | \ |
| 33 | SPM_FLAG_DISABLE_DRAMC_MCU_SRAM_SLEEP | \ |
| 34 | SPM_FLAG_SRAM_SLEEP_CTRL) |
| 35 | |
| 36 | #define SPM_SUSPEND_PCM_FLAG1 0 |
| 37 | |
| 38 | /* Suspend spm power control */ |
| 39 | #define __WAKE_SRC_FOR_SUSPEND_COMMON__ \ |
| 40 | (R12_PCM_TIMER | \ |
| 41 | R12_KP_IRQ_B | \ |
| 42 | R12_APWDT_EVENT_B | \ |
| 43 | R12_CONN2AP_SPM_WAKEUP_B | \ |
| 44 | R12_EINT_EVENT_B | \ |
| 45 | R12_CONN_WDT_IRQ_B | \ |
| 46 | R12_CCIF0_EVENT_B | \ |
| 47 | R12_SSPM2SPM_WAKEUP_B | \ |
| 48 | R12_SCP2SPM_WAKEUP_B | \ |
Edward-JW Yang | 1c7fd0b | 2021-06-28 11:29:51 +0800 | [diff] [blame] | 49 | R12_USBX_CDSC_B | \ |
| 50 | R12_USBX_POWERDWN_B | \ |
| 51 | R12_SYS_TIMER_EVENT_B | \ |
| 52 | R12_EINT_EVENT_SECURE_B | \ |
| 53 | R12_SYS_CIRQ_IRQ_B | \ |
| 54 | R12_MD2AP_PEER_EVENT_B | \ |
| 55 | R12_MD1_WDT_B | \ |
| 56 | R12_CLDMA_EVENT_B | \ |
| 57 | R12_REG_CPU_WAKEUP | \ |
| 58 | R12_APUSYS_WAKE_HOST_B) |
| 59 | |
| 60 | #if defined(CFG_MICROTRUST_TEE_SUPPORT) |
| 61 | #define WAKE_SRC_FOR_SUSPEND (__WAKE_SRC_FOR_SUSPEND_COMMON__) |
| 62 | #else |
| 63 | #define WAKE_SRC_FOR_SUSPEND \ |
| 64 | (__WAKE_SRC_FOR_SUSPEND_COMMON__ | \ |
| 65 | R12_SEJ_EVENT_B) |
| 66 | #endif |
| 67 | |
| 68 | static struct pwr_ctrl suspend_ctrl = { |
| 69 | .wake_src = WAKE_SRC_FOR_SUSPEND, |
| 70 | |
| 71 | /* SPM_AP_STANDBY_CON */ |
| 72 | /* [0] */ |
| 73 | .reg_wfi_op = 0, |
| 74 | /* [1] */ |
| 75 | .reg_wfi_type = 0, |
| 76 | /* [2] */ |
| 77 | .reg_mp0_cputop_idle_mask = 0, |
| 78 | /* [3] */ |
| 79 | .reg_mp1_cputop_idle_mask = 0, |
| 80 | /* [4] */ |
| 81 | .reg_mcusys_idle_mask = 0, |
| 82 | /* [25] */ |
| 83 | .reg_md_apsrc_1_sel = 0, |
| 84 | /* [26] */ |
| 85 | .reg_md_apsrc_0_sel = 0, |
| 86 | /* [29] */ |
| 87 | .reg_conn_apsrc_sel = 0, |
| 88 | |
| 89 | /* SPM_SRC_REQ */ |
| 90 | /* [0] */ |
| 91 | .reg_spm_apsrc_req = 0, |
| 92 | /* [1] */ |
| 93 | .reg_spm_f26m_req = 0, |
| 94 | /* [3] */ |
| 95 | .reg_spm_infra_req = 0, |
| 96 | /* [4] */ |
| 97 | .reg_spm_vrf18_req = 0, |
| 98 | /* [7] FIXME: default disable HW Auto S1*/ |
developer | 4dfd8e2 | 2021-07-20 09:40:58 +0800 | [diff] [blame] | 99 | .reg_spm_ddr_en_req = 1, |
Edward-JW Yang | 1c7fd0b | 2021-06-28 11:29:51 +0800 | [diff] [blame] | 100 | /* [8] */ |
| 101 | .reg_spm_dvfs_req = 0, |
| 102 | /* [9] */ |
| 103 | .reg_spm_sw_mailbox_req = 0, |
| 104 | /* [10] */ |
| 105 | .reg_spm_sspm_mailbox_req = 0, |
| 106 | /* [11] */ |
| 107 | .reg_spm_adsp_mailbox_req = 0, |
| 108 | /* [12] */ |
| 109 | .reg_spm_scp_mailbox_req = 0, |
| 110 | |
| 111 | /* SPM_SRC_MASK */ |
| 112 | /* [0] */ |
| 113 | .reg_sspm_srcclkena_0_mask_b = 1, |
| 114 | /* [1] */ |
| 115 | .reg_sspm_infra_req_0_mask_b = 1, |
| 116 | /* [2] */ |
| 117 | .reg_sspm_apsrc_req_0_mask_b = 1, |
| 118 | /* [3] */ |
| 119 | .reg_sspm_vrf18_req_0_mask_b = 1, |
| 120 | /* [4] */ |
| 121 | .reg_sspm_ddr_en_0_mask_b = 1, |
| 122 | /* [5] */ |
| 123 | .reg_scp_srcclkena_mask_b = 1, |
| 124 | /* [6] */ |
| 125 | .reg_scp_infra_req_mask_b = 1, |
| 126 | /* [7] */ |
| 127 | .reg_scp_apsrc_req_mask_b = 1, |
| 128 | /* [8] */ |
| 129 | .reg_scp_vrf18_req_mask_b = 1, |
| 130 | /* [9] */ |
| 131 | .reg_scp_ddr_en_mask_b = 1, |
| 132 | /* [10] */ |
| 133 | .reg_audio_dsp_srcclkena_mask_b = 1, |
| 134 | /* [11] */ |
| 135 | .reg_audio_dsp_infra_req_mask_b = 1, |
| 136 | /* [12] */ |
| 137 | .reg_audio_dsp_apsrc_req_mask_b = 1, |
| 138 | /* [13] */ |
| 139 | .reg_audio_dsp_vrf18_req_mask_b = 1, |
| 140 | /* [14] */ |
| 141 | .reg_audio_dsp_ddr_en_mask_b = 1, |
| 142 | /* [15] */ |
| 143 | .reg_apu_srcclkena_mask_b = 1, |
| 144 | /* [16] */ |
| 145 | .reg_apu_infra_req_mask_b = 1, |
| 146 | /* [17] */ |
| 147 | .reg_apu_apsrc_req_mask_b = 1, |
| 148 | /* [18] */ |
| 149 | .reg_apu_vrf18_req_mask_b = 1, |
| 150 | /* [19] */ |
| 151 | .reg_apu_ddr_en_mask_b = 1, |
| 152 | /* [20] */ |
| 153 | .reg_cpueb_srcclkena_mask_b = 1, |
| 154 | /* [21] */ |
| 155 | .reg_cpueb_infra_req_mask_b = 1, |
| 156 | /* [22] */ |
| 157 | .reg_cpueb_apsrc_req_mask_b = 1, |
| 158 | /* [23] */ |
| 159 | .reg_cpueb_vrf18_req_mask_b = 1, |
| 160 | /* [24] */ |
| 161 | .reg_cpueb_ddr_en_mask_b = 1, |
| 162 | /* [25] */ |
| 163 | .reg_bak_psri_srcclkena_mask_b = 0, |
| 164 | /* [26] */ |
| 165 | .reg_bak_psri_infra_req_mask_b = 0, |
| 166 | /* [27] */ |
| 167 | .reg_bak_psri_apsrc_req_mask_b = 0, |
| 168 | /* [28] */ |
| 169 | .reg_bak_psri_vrf18_req_mask_b = 0, |
| 170 | /* [29] */ |
| 171 | .reg_bak_psri_ddr_en_mask_b = 0, |
| 172 | |
| 173 | /* SPM_SRC2_MASK */ |
| 174 | /* [0] */ |
| 175 | .reg_msdc0_srcclkena_mask_b = 1, |
| 176 | /* [1] */ |
| 177 | .reg_msdc0_infra_req_mask_b = 1, |
| 178 | /* [2] */ |
| 179 | .reg_msdc0_apsrc_req_mask_b = 1, |
| 180 | /* [3] */ |
| 181 | .reg_msdc0_vrf18_req_mask_b = 1, |
| 182 | /* [4] */ |
| 183 | .reg_msdc0_ddr_en_mask_b = 1, |
| 184 | /* [5] */ |
| 185 | .reg_msdc1_srcclkena_mask_b = 1, |
| 186 | /* [6] */ |
| 187 | .reg_msdc1_infra_req_mask_b = 1, |
| 188 | /* [7] */ |
| 189 | .reg_msdc1_apsrc_req_mask_b = 1, |
| 190 | /* [8] */ |
| 191 | .reg_msdc1_vrf18_req_mask_b = 1, |
| 192 | /* [9] */ |
| 193 | .reg_msdc1_ddr_en_mask_b = 1, |
| 194 | /* [10] */ |
| 195 | .reg_msdc2_srcclkena_mask_b = 1, |
| 196 | /* [11] */ |
| 197 | .reg_msdc2_infra_req_mask_b = 1, |
| 198 | /* [12] */ |
| 199 | .reg_msdc2_apsrc_req_mask_b = 1, |
| 200 | /* [13] */ |
| 201 | .reg_msdc2_vrf18_req_mask_b = 1, |
| 202 | /* [14] */ |
| 203 | .reg_msdc2_ddr_en_mask_b = 1, |
| 204 | /* [15] */ |
| 205 | .reg_ufs_srcclkena_mask_b = 0, |
| 206 | /* [16] */ |
| 207 | .reg_ufs_infra_req_mask_b = 0, |
| 208 | /* [17] */ |
| 209 | .reg_ufs_apsrc_req_mask_b = 0, |
| 210 | /* [18] */ |
| 211 | .reg_ufs_vrf18_req_mask_b = 0, |
| 212 | /* [19] */ |
| 213 | .reg_ufs_ddr_en_mask_b = 0, |
| 214 | /* [20] */ |
| 215 | .reg_usb_srcclkena_mask_b = 1, |
| 216 | /* [21] */ |
| 217 | .reg_usb_infra_req_mask_b = 1, |
| 218 | /* [22] */ |
| 219 | .reg_usb_apsrc_req_mask_b = 1, |
| 220 | /* [23] */ |
| 221 | .reg_usb_vrf18_req_mask_b = 1, |
| 222 | /* [24] */ |
| 223 | .reg_usb_ddr_en_mask_b = 1, |
| 224 | /* [25] */ |
| 225 | .reg_pextp_p0_srcclkena_mask_b = 1, |
| 226 | /* [26] */ |
| 227 | .reg_pextp_p0_infra_req_mask_b = 1, |
| 228 | /* [27] */ |
| 229 | .reg_pextp_p0_apsrc_req_mask_b = 1, |
| 230 | /* [28] */ |
| 231 | .reg_pextp_p0_vrf18_req_mask_b = 1, |
| 232 | /* [29] */ |
| 233 | .reg_pextp_p0_ddr_en_mask_b = 1, |
| 234 | |
| 235 | /* SPM_SRC3_MASK */ |
| 236 | /* [0] */ |
| 237 | .reg_pextp_p1_srcclkena_mask_b = 1, |
| 238 | /* [1] */ |
| 239 | .reg_pextp_p1_infra_req_mask_b = 1, |
| 240 | /* [2] */ |
| 241 | .reg_pextp_p1_apsrc_req_mask_b = 1, |
| 242 | /* [3] */ |
| 243 | .reg_pextp_p1_vrf18_req_mask_b = 1, |
| 244 | /* [4] */ |
| 245 | .reg_pextp_p1_ddr_en_mask_b = 1, |
| 246 | /* [5] */ |
| 247 | .reg_gce0_infra_req_mask_b = 1, |
| 248 | /* [6] */ |
| 249 | .reg_gce0_apsrc_req_mask_b = 1, |
| 250 | /* [7] */ |
| 251 | .reg_gce0_vrf18_req_mask_b = 1, |
| 252 | /* [8] */ |
| 253 | .reg_gce0_ddr_en_mask_b = 1, |
| 254 | /* [9] */ |
| 255 | .reg_gce1_infra_req_mask_b = 1, |
| 256 | /* [10] */ |
| 257 | .reg_gce1_apsrc_req_mask_b = 1, |
| 258 | /* [11] */ |
| 259 | .reg_gce1_vrf18_req_mask_b = 1, |
| 260 | /* [12] */ |
| 261 | .reg_gce1_ddr_en_mask_b = 1, |
| 262 | /* [13] */ |
| 263 | .reg_spm_srcclkena_reserved_mask_b = 1, |
| 264 | /* [14] */ |
| 265 | .reg_spm_infra_req_reserved_mask_b = 1, |
| 266 | /* [15] */ |
| 267 | .reg_spm_apsrc_req_reserved_mask_b = 1, |
| 268 | /* [16] */ |
| 269 | .reg_spm_vrf18_req_reserved_mask_b = 1, |
| 270 | /* [17] */ |
| 271 | .reg_spm_ddr_en_reserved_mask_b = 1, |
| 272 | /* [18] */ |
| 273 | .reg_disp0_apsrc_req_mask_b = 1, |
| 274 | /* [19] */ |
| 275 | .reg_disp0_ddr_en_mask_b = 1, |
| 276 | /* [20] */ |
| 277 | .reg_disp1_apsrc_req_mask_b = 1, |
| 278 | /* [21] */ |
| 279 | .reg_disp1_ddr_en_mask_b = 1, |
| 280 | /* [22] */ |
| 281 | .reg_disp2_apsrc_req_mask_b = 1, |
| 282 | /* [23] */ |
| 283 | .reg_disp2_ddr_en_mask_b = 1, |
| 284 | /* [24] */ |
| 285 | .reg_disp3_apsrc_req_mask_b = 1, |
| 286 | /* [25] */ |
| 287 | .reg_disp3_ddr_en_mask_b = 1, |
| 288 | /* [26] */ |
| 289 | .reg_infrasys_apsrc_req_mask_b = 0, |
| 290 | /* [27] */ |
| 291 | .reg_infrasys_ddr_en_mask_b = 1, |
| 292 | |
| 293 | /* [28] */ |
| 294 | .reg_cg_check_srcclkena_mask_b = 1, |
| 295 | /* [29] */ |
| 296 | .reg_cg_check_apsrc_req_mask_b = 1, |
| 297 | /* [30] */ |
| 298 | .reg_cg_check_vrf18_req_mask_b = 1, |
| 299 | /* [31] */ |
| 300 | .reg_cg_check_ddr_en_mask_b = 1, |
| 301 | |
| 302 | /* SPM_SRC4_MASK */ |
| 303 | /* [8:0] */ |
| 304 | .reg_mcusys_merge_apsrc_req_mask_b = 0x17, |
| 305 | /* [17:9] */ |
| 306 | .reg_mcusys_merge_ddr_en_mask_b = 0x17, |
| 307 | /* [19:18] */ |
| 308 | .reg_dramc_md32_infra_req_mask_b = 0, |
| 309 | /* [21:20] */ |
| 310 | .reg_dramc_md32_vrf18_req_mask_b = 0, |
| 311 | /* [23:22] */ |
| 312 | .reg_dramc_md32_ddr_en_mask_b = 0, |
| 313 | /* [24] */ |
| 314 | .reg_dvfsrc_event_trigger_mask_b = 1, |
| 315 | |
| 316 | /* SPM_WAKEUP_EVENT_MASK2 */ |
| 317 | /* [3:0] */ |
| 318 | .reg_sc_sw2spm_wakeup_mask_b = 0, |
| 319 | /* [4] */ |
| 320 | .reg_sc_adsp2spm_wakeup_mask_b = 0, |
| 321 | /* [8:5] */ |
| 322 | .reg_sc_sspm2spm_wakeup_mask_b = 0, |
| 323 | /* [9] */ |
| 324 | .reg_sc_scp2spm_wakeup_mask_b = 0, |
| 325 | /* [10] */ |
| 326 | .reg_csyspwrup_ack_mask = 0, |
| 327 | /* [11] */ |
| 328 | .reg_csyspwrup_req_mask = 1, |
| 329 | |
| 330 | /* SPM_WAKEUP_EVENT_MASK */ |
| 331 | /* [31:0] */ |
| 332 | .reg_wakeup_event_mask = 0xC1382213, |
| 333 | |
| 334 | /* SPM_WAKEUP_EVENT_EXT_MASK */ |
| 335 | /* [31:0] */ |
| 336 | .reg_ext_wakeup_event_mask = 0xFFFFFFFF, |
| 337 | }; |
| 338 | |
| 339 | struct spm_lp_scen __spm_suspend = { |
| 340 | .pwrctrl = &suspend_ctrl, |
| 341 | }; |
| 342 | |
| 343 | int mt_spm_suspend_mode_set(int mode) |
| 344 | { |
| 345 | if (mode == MT_SPM_SUSPEND_SLEEP) { |
| 346 | suspend_ctrl.pcm_flags = SPM_SUSPEND_SLEEP_PCM_FLAG; |
| 347 | suspend_ctrl.pcm_flags1 = SPM_SUSPEND_SLEEP_PCM_FLAG1; |
| 348 | } else { |
| 349 | suspend_ctrl.pcm_flags = SPM_SUSPEND_PCM_FLAG; |
| 350 | suspend_ctrl.pcm_flags1 = SPM_SUSPEND_PCM_FLAG1; |
| 351 | } |
| 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | int mt_spm_suspend_enter(int state_id, unsigned int ext_opand, |
| 357 | unsigned int resource_req) |
| 358 | { |
| 359 | /* If FMAudio / ADSP is active, change to sleep suspend mode */ |
| 360 | if ((ext_opand & MT_SPM_EX_OP_SET_SUSPEND_MODE) != 0U) { |
| 361 | mt_spm_suspend_mode_set(MT_SPM_SUSPEND_SLEEP); |
| 362 | } |
| 363 | |
| 364 | /* Notify MCUPM that device is going suspend flow */ |
| 365 | mmio_write_32(MCUPM_MBOX_OFFSET_PDN, MCUPM_POWER_DOWN); |
| 366 | |
| 367 | /* Notify UART to sleep */ |
| 368 | mt_uart_save(); |
| 369 | |
| 370 | return spm_conservation(state_id, ext_opand, |
| 371 | &__spm_suspend, resource_req); |
| 372 | } |
| 373 | |
| 374 | void mt_spm_suspend_resume(int state_id, unsigned int ext_opand, |
| 375 | struct wake_status **status) |
| 376 | { |
| 377 | spm_conservation_finish(state_id, ext_opand, &__spm_suspend, status); |
| 378 | |
| 379 | /* Notify UART to wakeup */ |
| 380 | mt_uart_restore(); |
| 381 | |
| 382 | /* Notify MCUPM that device leave suspend */ |
| 383 | mmio_write_32(MCUPM_MBOX_OFFSET_PDN, 0); |
| 384 | |
| 385 | /* If FMAudio / ADSP is active, change back to suspend mode */ |
| 386 | if ((ext_opand & MT_SPM_EX_OP_SET_SUSPEND_MODE) != 0U) { |
| 387 | mt_spm_suspend_mode_set(MT_SPM_SUSPEND_SYSTEM_PDN); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | void mt_spm_suspend_init(void) |
| 392 | { |
| 393 | spm_conservation_pwrctrl_init(__spm_suspend.pwrctrl); |
| 394 | } |