Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 1 | /* |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 2 | * Copyright (c) 2019-2022, Xilinx, Inc. All rights reserved. |
Tanmay Shah | fdae9e8 | 2022-08-26 15:06:00 -0700 | [diff] [blame^] | 3 | * Copyright (c) 2022, Advanced Micro Devices, Inc. All rights reserved. |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 4 | * |
| 5 | * SPDX-License-Identifier: BSD-3-Clause |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Versal system level PM-API functions and communication with PMC via |
| 10 | * IPI interrupts |
| 11 | */ |
| 12 | |
| 13 | #include <pm_common.h> |
| 14 | #include <pm_ipi.h> |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 15 | #include <plat/common/platform.h> |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 16 | #include "pm_api_sys.h" |
| 17 | #include "pm_client.h" |
Rajan Vaja | 030620d | 2020-11-23 04:13:54 -0800 | [diff] [blame] | 18 | #include "pm_defs.h" |
Shubhrajyoti Datta | abf6122 | 2021-03-17 23:01:17 +0530 | [diff] [blame] | 19 | #include "pm_svc_main.h" |
Venkatesh Yadav Abbarapu | aa4898a | 2021-03-31 03:07:40 -0600 | [diff] [blame] | 20 | #include "../drivers/arm/gic/v3/gicv3_private.h" |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 21 | |
Saeed Nowshadi | c5a1bda | 2019-12-08 23:35:35 -0800 | [diff] [blame] | 22 | /* default shutdown/reboot scope is system(2) */ |
Venkatesh Yadav Abbarapu | bde8759 | 2022-05-24 11:11:12 +0530 | [diff] [blame] | 23 | static uint32_t pm_shutdown_scope = XPM_SHUTDOWN_SUBTYPE_RST_SYSTEM; |
Saeed Nowshadi | c5a1bda | 2019-12-08 23:35:35 -0800 | [diff] [blame] | 24 | |
| 25 | /** |
| 26 | * pm_get_shutdown_scope() - Get the currently set shutdown scope |
| 27 | * |
| 28 | * @return Shutdown scope value |
| 29 | */ |
Venkatesh Yadav Abbarapu | bde8759 | 2022-05-24 11:11:12 +0530 | [diff] [blame] | 30 | uint32_t pm_get_shutdown_scope(void) |
Saeed Nowshadi | c5a1bda | 2019-12-08 23:35:35 -0800 | [diff] [blame] | 31 | { |
| 32 | return pm_shutdown_scope; |
| 33 | } |
| 34 | |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 35 | /* PM API functions */ |
| 36 | |
| 37 | /** |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 38 | * pm_handle_eemi_call() - PM call for processor to send eemi payload |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 39 | * @flag 0 - Call from secure source |
| 40 | * 1 - Call from non-secure source |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 41 | * @x0 to x5 Arguments received per SMC64 standard |
| 42 | * @result Payload received from firmware |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 43 | * |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 44 | * @return PM_RET_SUCCESS on success or error code |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 45 | */ |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 46 | enum pm_ret_status pm_handle_eemi_call(uint32_t flag, uint32_t x0, uint32_t x1, |
| 47 | uint32_t x2, uint32_t x3, uint32_t x4, |
| 48 | uint32_t x5, uint64_t *result) |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 49 | { |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 50 | uint32_t payload[PAYLOAD_ARG_CNT] = {0}; |
| 51 | uint32_t module_id; |
Tejas Patel | 9d09ff9 | 2019-01-08 01:46:35 -0800 | [diff] [blame] | 52 | |
Venkatesh Yadav Abbarapu | a0657d9 | 2022-07-20 09:03:22 +0530 | [diff] [blame] | 53 | module_id = (x0 & MODULE_ID_MASK) >> 8U; |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 54 | |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 55 | //default module id is for LIBPM |
Venkatesh Yadav Abbarapu | ab16713 | 2022-05-25 15:18:24 +0530 | [diff] [blame] | 56 | if (module_id == 0) { |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 57 | module_id = LIBPM_MODULE_ID; |
Venkatesh Yadav Abbarapu | ab16713 | 2022-05-25 15:18:24 +0530 | [diff] [blame] | 58 | } |
Ravi Patel | 476b5b1 | 2019-08-12 03:10:10 -0700 | [diff] [blame] | 59 | |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 60 | PM_PACK_PAYLOAD6(payload, module_id, flag, x0, x1, x2, x3, x4, x5); |
| 61 | return pm_ipi_send_sync(primary_proc, payload, (uint32_t *)result, PAYLOAD_ARG_CNT); |
Ravi Patel | 476b5b1 | 2019-08-12 03:10:10 -0700 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | /** |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 65 | * pm_self_suspend() - PM call for processor to suspend itself |
| 66 | * @nid Node id of the processor or subsystem |
| 67 | * @latency Requested maximum wakeup latency (not supported) |
| 68 | * @state Requested state |
| 69 | * @address Resume address |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 70 | * @flag 0 - Call from secure source |
| 71 | * 1 - Call from non-secure source |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 72 | * |
| 73 | * This is a blocking call, it will return only once PMU has responded. |
| 74 | * On a wakeup, resume address will be automatically set by PMU. |
| 75 | * |
| 76 | * @return Returns status, either success or error+reason |
| 77 | */ |
| 78 | enum pm_ret_status pm_self_suspend(uint32_t nid, |
Venkatesh Yadav Abbarapu | bde8759 | 2022-05-24 11:11:12 +0530 | [diff] [blame] | 79 | uint32_t latency, |
| 80 | uint32_t state, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 81 | uintptr_t address, uint32_t flag) |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 82 | { |
| 83 | uint32_t payload[PAYLOAD_ARG_CNT]; |
Venkatesh Yadav Abbarapu | bde8759 | 2022-05-24 11:11:12 +0530 | [diff] [blame] | 84 | uint32_t cpuid = plat_my_core_pos(); |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 85 | const struct pm_proc *proc = pm_get_proc(cpuid); |
| 86 | |
Abhyuday Godhasara | 4487794 | 2021-08-05 02:59:26 -0700 | [diff] [blame] | 87 | if (proc == NULL) { |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 88 | WARN("Failed to get proc %d\n", cpuid); |
| 89 | return PM_RET_ERROR_INTERNAL; |
| 90 | } |
| 91 | |
| 92 | /* |
| 93 | * Do client specific suspend operations |
| 94 | * (e.g. set powerdown request bit) |
| 95 | */ |
| 96 | pm_client_suspend(proc, state); |
| 97 | |
| 98 | /* Send request to the PLM */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 99 | PM_PACK_PAYLOAD6(payload, LIBPM_MODULE_ID, flag, PM_SELF_SUSPEND, |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 100 | proc->node_id, latency, state, address, |
| 101 | (address >> 32)); |
| 102 | return pm_ipi_send_sync(proc, payload, NULL, 0); |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * pm_abort_suspend() - PM call to announce that a prior suspend request |
| 107 | * is to be aborted. |
| 108 | * @reason Reason for the abort |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 109 | * @flag 0 - Call from secure source |
| 110 | * 1 - Call from non-secure source |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 111 | * |
| 112 | * Calling PU expects the PMU to abort the initiated suspend procedure. |
| 113 | * This is a non-blocking call without any acknowledge. |
| 114 | * |
| 115 | * @return Returns status, either success or error+reason |
| 116 | */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 117 | enum pm_ret_status pm_abort_suspend(enum pm_abort_reason reason, uint32_t flag) |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 118 | { |
| 119 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 120 | |
| 121 | /* |
| 122 | * Do client specific abort suspend operations |
| 123 | * (e.g. enable interrupts and clear powerdown request bit) |
| 124 | */ |
| 125 | pm_client_abort_suspend(); |
| 126 | |
| 127 | /* Send request to the PLM */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 128 | PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, flag, PM_ABORT_SUSPEND, |
| 129 | reason, primary_proc->node_id); |
Abhyuday Godhasara | 7ae761b | 2021-06-24 05:50:44 -0700 | [diff] [blame] | 130 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | /** |
| 134 | * pm_req_suspend() - PM call to request for another PU or subsystem to |
| 135 | * be suspended gracefully. |
| 136 | * @target Node id of the targeted PU or subsystem |
| 137 | * @ack Flag to specify whether acknowledge is requested |
| 138 | * @latency Requested wakeup latency (not supported) |
| 139 | * @state Requested state (not supported) |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 140 | * @flag 0 - Call from secure source |
| 141 | * 1 - Call from non-secure source |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 142 | * |
| 143 | * @return Returns status, either success or error+reason |
| 144 | */ |
| 145 | enum pm_ret_status pm_req_suspend(uint32_t target, uint8_t ack, |
Venkatesh Yadav Abbarapu | bde8759 | 2022-05-24 11:11:12 +0530 | [diff] [blame] | 146 | uint32_t latency, uint32_t state, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 147 | uint32_t flag) |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 148 | { |
| 149 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 150 | |
| 151 | /* Send request to the PMU */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 152 | PM_PACK_PAYLOAD4(payload, LIBPM_MODULE_ID, flag, PM_REQ_SUSPEND, target, |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 153 | latency, state); |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 154 | if (ack == IPI_BLOCKING) { |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 155 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 156 | } else { |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 157 | return pm_ipi_send(primary_proc, payload); |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 158 | } |
Tejas Patel | fe0e10a | 2019-12-08 23:29:44 -0800 | [diff] [blame] | 159 | } |
Tejas Patel | 41f3e0b | 2019-01-08 01:46:37 -0800 | [diff] [blame] | 160 | |
| 161 | /** |
Tejas Patel | 49cd871 | 2019-01-23 14:18:51 +0530 | [diff] [blame] | 162 | * pm_req_wakeup() - PM call for processor to wake up selected processor |
| 163 | * or subsystem |
| 164 | * @target Device ID of the processor or subsystem to wake up |
| 165 | * @set_address Resume address presence indicator |
| 166 | * 1 - resume address specified, 0 - otherwise |
| 167 | * @address Resume address |
| 168 | * @ack Flag to specify whether acknowledge requested |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 169 | * @flag 0 - Call from secure source |
| 170 | * 1 - Call from non-secure source |
Tejas Patel | 49cd871 | 2019-01-23 14:18:51 +0530 | [diff] [blame] | 171 | * |
| 172 | * This API function is either used to power up another APU core for SMP |
| 173 | * (by PSCI) or to power up an entirely different PU or subsystem, such |
| 174 | * as RPU0, RPU, or PL_CORE_xx. Resume address for the target PU will be |
| 175 | * automatically set by PMC. |
| 176 | * |
| 177 | * @return Returns status, either success or error+reason |
| 178 | */ |
| 179 | enum pm_ret_status pm_req_wakeup(uint32_t target, uint32_t set_address, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 180 | uintptr_t address, uint8_t ack, uint32_t flag) |
Tejas Patel | 49cd871 | 2019-01-23 14:18:51 +0530 | [diff] [blame] | 181 | { |
| 182 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 183 | |
| 184 | /* Send request to the PMC to perform the wake of the PU */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 185 | PM_PACK_PAYLOAD5(payload, LIBPM_MODULE_ID, flag, PM_REQ_WAKEUP, target, |
Tejas Patel | 49cd871 | 2019-01-23 14:18:51 +0530 | [diff] [blame] | 186 | set_address, address, ack); |
| 187 | |
| 188 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| 189 | } |
| 190 | |
| 191 | /** |
Rajan Vaja | 649e924 | 2019-03-04 11:09:40 +0530 | [diff] [blame] | 192 | * pm_get_callbackdata() - Read from IPI response buffer |
| 193 | * @data - array of PAYLOAD_ARG_CNT elements |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 194 | * @flag - 0 - Call from secure source |
| 195 | * 1 - Call from non-secure source |
Tanmay Shah | fdae9e8 | 2022-08-26 15:06:00 -0700 | [diff] [blame^] | 196 | * @ack - 0 - Do not ack IPI after reading payload |
| 197 | * 1 - Ack IPI after reading payload |
Rajan Vaja | 649e924 | 2019-03-04 11:09:40 +0530 | [diff] [blame] | 198 | * |
| 199 | * Read value from ipi buffer response buffer. |
| 200 | */ |
Tanmay Shah | fdae9e8 | 2022-08-26 15:06:00 -0700 | [diff] [blame^] | 201 | void pm_get_callbackdata(uint32_t *data, size_t count, uint32_t flag, uint32_t ack) |
Rajan Vaja | 649e924 | 2019-03-04 11:09:40 +0530 | [diff] [blame] | 202 | { |
| 203 | /* Return if interrupt is not from PMU */ |
Abhyuday Godhasara | 4487794 | 2021-08-05 02:59:26 -0700 | [diff] [blame] | 204 | if (pm_ipi_irq_status(primary_proc) == 0) { |
Rajan Vaja | 649e924 | 2019-03-04 11:09:40 +0530 | [diff] [blame] | 205 | return; |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 206 | } |
Rajan Vaja | 649e924 | 2019-03-04 11:09:40 +0530 | [diff] [blame] | 207 | |
| 208 | pm_ipi_buff_read_callb(data, count); |
Tanmay Shah | fdae9e8 | 2022-08-26 15:06:00 -0700 | [diff] [blame^] | 209 | |
| 210 | if (ack != 0U) { |
| 211 | pm_ipi_irq_clear(primary_proc); |
| 212 | } |
Rajan Vaja | 649e924 | 2019-03-04 11:09:40 +0530 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | /** |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 216 | * pm_pll_set_param() - Set PLL parameter |
Tejas Patel | 1f56fb1 | 2019-01-08 01:46:40 -0800 | [diff] [blame] | 217 | * |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 218 | * This API is deprecated and maintained here for backward compatibility. |
| 219 | * New use of this API should be avoided for versal platform. |
| 220 | * This API and its use cases will be removed for versal platform. |
Tejas Patel | 84275bf | 2020-09-01 04:43:53 -0700 | [diff] [blame] | 221 | * |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 222 | * @clk_id PLL clock ID |
| 223 | * @param PLL parameter ID |
| 224 | * @value Value to set for PLL parameter |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 225 | * @flag 0 - Call from secure source |
| 226 | * 1 - Call from non-secure source |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 227 | * |
| 228 | * @return Returns status, either success or error+reason |
| 229 | */ |
| 230 | enum pm_ret_status pm_pll_set_param(uint32_t clk_id, uint32_t param, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 231 | uint32_t value, uint32_t flag) |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 232 | { |
| 233 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 234 | |
| 235 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 236 | PM_PACK_PAYLOAD4(payload, LIBPM_MODULE_ID, flag, PM_PLL_SET_PARAMETER, |
| 237 | clk_id, param, value); |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 238 | |
| 239 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * pm_pll_get_param() - Get PLL parameter value |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 244 | * |
| 245 | * This API is deprecated and maintained here for backward compatibility. |
| 246 | * New use of this API should be avoided for versal platform. |
| 247 | * This API and its use cases will be removed for versal platform. |
| 248 | * |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 249 | * @clk_id PLL clock ID |
| 250 | * @param PLL parameter ID |
| 251 | * @value: Buffer to store PLL parameter value |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 252 | * @flag 0 - Call from secure source |
| 253 | * 1 - Call from non-secure source |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 254 | * |
| 255 | * @return Returns status, either success or error+reason |
| 256 | */ |
| 257 | enum pm_ret_status pm_pll_get_param(uint32_t clk_id, uint32_t param, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 258 | uint32_t *value, uint32_t flag) |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 259 | { |
| 260 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 261 | |
| 262 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 263 | PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, flag, PM_PLL_GET_PARAMETER, |
| 264 | clk_id, param); |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 265 | |
| 266 | return pm_ipi_send_sync(primary_proc, payload, value, 1); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * pm_pll_set_mode() - Set PLL mode |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 271 | * |
| 272 | * This API is deprecated and maintained here for backward compatibility. |
| 273 | * New use of this API should be avoided for versal platform. |
| 274 | * This API and its use cases will be removed for versal platform. |
| 275 | * |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 276 | * @clk_id PLL clock ID |
| 277 | * @mode PLL mode |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 278 | * @flag 0 - Call from secure source |
| 279 | * 1 - Call from non-secure source |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 280 | * |
| 281 | * @return Returns status, either success or error+reason |
| 282 | */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 283 | enum pm_ret_status pm_pll_set_mode(uint32_t clk_id, uint32_t mode, |
| 284 | uint32_t flag) |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 285 | { |
| 286 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 287 | |
| 288 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 289 | PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, flag, PM_PLL_SET_MODE, |
| 290 | clk_id, mode); |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 291 | |
| 292 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * pm_pll_get_mode() - Get PLL mode |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 297 | * |
| 298 | * This API is deprecated and maintained here for backward compatibility. |
| 299 | * New use of this API should be avoided for versal platform. |
| 300 | * This API and its use cases will be removed for versal platform. |
| 301 | * |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 302 | * @clk_id PLL clock ID |
| 303 | * @mode: Buffer to store PLL mode |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 304 | * @flag 0 - Call from secure source |
| 305 | * 1 - Call from non-secure source |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 306 | * |
| 307 | * @return Returns status, either success or error+reason |
| 308 | */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 309 | enum pm_ret_status pm_pll_get_mode(uint32_t clk_id, uint32_t *mode, |
| 310 | uint32_t flag) |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 311 | { |
| 312 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 313 | |
| 314 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 315 | PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, flag, PM_PLL_GET_MODE, |
| 316 | clk_id); |
Tejas Patel | 023116d | 2019-01-08 01:46:41 -0800 | [diff] [blame] | 317 | |
| 318 | return pm_ipi_send_sync(primary_proc, payload, mode, 1); |
| 319 | } |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 320 | |
| 321 | /** |
| 322 | * pm_force_powerdown() - PM call to request for another PU or subsystem to |
| 323 | * be powered down forcefully |
| 324 | * @target Device ID of the PU node to be forced powered down. |
| 325 | * @ack Flag to specify whether acknowledge is requested |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 326 | * @flag 0 - Call from secure source |
| 327 | * 1 - Call from non-secure source |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 328 | * |
| 329 | * @return Returns status, either success or error+reason |
| 330 | */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 331 | enum pm_ret_status pm_force_powerdown(uint32_t target, uint8_t ack, |
| 332 | uint32_t flag) |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 333 | { |
| 334 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 335 | |
| 336 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 337 | PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, flag, PM_FORCE_POWERDOWN, |
| 338 | target, ack); |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 339 | |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 340 | if (ack == IPI_BLOCKING) { |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 341 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 342 | } else { |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 343 | return pm_ipi_send(primary_proc, payload); |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 344 | } |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | /** |
| 348 | * pm_system_shutdown() - PM call to request a system shutdown or restart |
Saeed Nowshadi | c5a1bda | 2019-12-08 23:35:35 -0800 | [diff] [blame] | 349 | * @type Shutdown or restart? 0=shutdown, 1=restart, 2=setscope |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 350 | * @subtype Scope: 0=APU-subsystem, 1=PS, 2=system |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 351 | * @flag 0 - Call from secure source |
| 352 | * 1 - Call from non-secure source |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 353 | * |
| 354 | * @return Returns status, either success or error+reason |
| 355 | */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 356 | enum pm_ret_status pm_system_shutdown(uint32_t type, uint32_t subtype, |
| 357 | uint32_t flag) |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 358 | { |
| 359 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 360 | |
Saeed Nowshadi | c5a1bda | 2019-12-08 23:35:35 -0800 | [diff] [blame] | 361 | if (type == XPM_SHUTDOWN_TYPE_SETSCOPE_ONLY) { |
| 362 | /* Setting scope for subsequent PSCI reboot or shutdown */ |
| 363 | pm_shutdown_scope = subtype; |
| 364 | return PM_RET_SUCCESS; |
| 365 | } |
| 366 | |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 367 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 368 | PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, flag, PM_SYSTEM_SHUTDOWN, |
| 369 | type, subtype); |
Tejas Patel | 6b28225 | 2019-01-10 03:03:47 -0800 | [diff] [blame] | 370 | |
| 371 | return pm_ipi_send_non_blocking(primary_proc, payload); |
| 372 | } |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 373 | |
| 374 | /** |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 375 | * pm_query_data() - PM API for querying firmware data |
| 376 | * |
| 377 | * This API is deprecated and maintained here for backward compatibility. |
| 378 | * New use of this API should be avoided for versal platform. |
| 379 | * This API and its use cases will be removed for versal platform. |
| 380 | * |
| 381 | * @qid The type of data to query |
| 382 | * @arg1 Argument 1 to requested query data call |
| 383 | * @arg2 Argument 2 to requested query data call |
| 384 | * @arg3 Argument 3 to requested query data call |
| 385 | * @data Returned output data |
| 386 | * @flag 0 - Call from secure source |
| 387 | * 1 - Call from non-secure source |
| 388 | * |
| 389 | * @retur - 0 if success else non-zero error code of type |
| 390 | * enum pm_ret_status |
| 391 | */ |
Tejas Patel | a3e34ad | 2019-02-01 17:25:19 +0530 | [diff] [blame] | 392 | enum pm_ret_status pm_query_data(uint32_t qid, uint32_t arg1, uint32_t arg2, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 393 | uint32_t arg3, uint32_t *data, uint32_t flag) |
Tejas Patel | a3e34ad | 2019-02-01 17:25:19 +0530 | [diff] [blame] | 394 | { |
Rajan Vaja | 030620d | 2020-11-23 04:13:54 -0800 | [diff] [blame] | 395 | uint32_t ret; |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 396 | uint32_t version[PAYLOAD_ARG_CNT] = {0}; |
Tejas Patel | a3e34ad | 2019-02-01 17:25:19 +0530 | [diff] [blame] | 397 | uint32_t payload[PAYLOAD_ARG_CNT]; |
Rajan Vaja | 030620d | 2020-11-23 04:13:54 -0800 | [diff] [blame] | 398 | uint32_t fw_api_version; |
Tejas Patel | a3e34ad | 2019-02-01 17:25:19 +0530 | [diff] [blame] | 399 | |
| 400 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 401 | PM_PACK_PAYLOAD5(payload, LIBPM_MODULE_ID, flag, PM_QUERY_DATA, qid, |
| 402 | arg1, arg2, arg3); |
Rajan Vaja | 030620d | 2020-11-23 04:13:54 -0800 | [diff] [blame] | 403 | |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 404 | ret = pm_feature_check(PM_QUERY_DATA, &version[0], flag); |
| 405 | if (ret == PM_RET_SUCCESS) { |
Venkatesh Yadav Abbarapu | a0657d9 | 2022-07-20 09:03:22 +0530 | [diff] [blame] | 406 | fw_api_version = version[0] & 0xFFFFU; |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 407 | if ((fw_api_version == 2U) && |
| 408 | ((qid == XPM_QID_CLOCK_GET_NAME) || |
| 409 | (qid == XPM_QID_PINCTRL_GET_FUNCTION_NAME))) { |
| 410 | ret = pm_ipi_send_sync(primary_proc, payload, data, PAYLOAD_ARG_CNT); |
| 411 | if (ret == PM_RET_SUCCESS) { |
| 412 | ret = data[0]; |
| 413 | data[0] = data[1]; |
| 414 | data[1] = data[2]; |
| 415 | data[2] = data[3]; |
| 416 | } |
Rajan Vaja | 030620d | 2020-11-23 04:13:54 -0800 | [diff] [blame] | 417 | } else { |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 418 | ret = pm_ipi_send_sync(primary_proc, payload, data, PAYLOAD_ARG_CNT); |
Rajan Vaja | 030620d | 2020-11-23 04:13:54 -0800 | [diff] [blame] | 419 | } |
| 420 | } |
| 421 | return ret; |
Tejas Patel | a3e34ad | 2019-02-01 17:25:19 +0530 | [diff] [blame] | 422 | } |
| 423 | /** |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 424 | * pm_api_ioctl() - PM IOCTL API for device control and configs |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 425 | * |
| 426 | * This API is deprecated and maintained here for backward compatibility. |
| 427 | * New use of this API should be avoided for versal platform. |
| 428 | * This API and its use cases will be removed for versal platform. |
| 429 | * |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 430 | * @device_id Device ID |
| 431 | * @ioctl_id ID of the requested IOCTL |
| 432 | * @arg1 Argument 1 to requested IOCTL call |
| 433 | * @arg2 Argument 2 to requested IOCTL call |
Venkatesh Yadav Abbarapu | 4b23339 | 2021-10-20 22:11:53 -0600 | [diff] [blame] | 434 | * @arg3 Argument 3 to requested IOCTL call |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 435 | * @value Returned output value |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 436 | * @flag 0 - Call from secure source |
| 437 | * 1 - Call from non-secure source |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 438 | * |
| 439 | * This function calls IOCTL to firmware for device control and configuration. |
| 440 | * |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 441 | * @return Returns status, either 0 on success or non-zero error code |
| 442 | * of type enum pm_ret_status |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 443 | */ |
| 444 | enum pm_ret_status pm_api_ioctl(uint32_t device_id, uint32_t ioctl_id, |
Venkatesh Yadav Abbarapu | 4b23339 | 2021-10-20 22:11:53 -0600 | [diff] [blame] | 445 | uint32_t arg1, uint32_t arg2, uint32_t arg3, |
| 446 | uint32_t *value, uint32_t flag) |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 447 | { |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 448 | enum pm_ret_status ret; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 449 | |
| 450 | switch (ioctl_id) { |
| 451 | case IOCTL_SET_PLL_FRAC_MODE: |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 452 | ret = pm_pll_set_mode(arg1, arg2, flag); |
| 453 | break; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 454 | case IOCTL_GET_PLL_FRAC_MODE: |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 455 | ret = pm_pll_get_mode(arg1, value, flag); |
| 456 | break; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 457 | case IOCTL_SET_PLL_FRAC_DATA: |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 458 | ret = pm_pll_set_param(arg1, PM_PLL_PARAM_DATA, arg2, flag); |
| 459 | break; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 460 | case IOCTL_GET_PLL_FRAC_DATA: |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 461 | ret = pm_pll_get_param(arg1, PM_PLL_PARAM_DATA, value, flag); |
| 462 | break; |
Venkatesh Yadav Abbarapu | aa4898a | 2021-03-31 03:07:40 -0600 | [diff] [blame] | 463 | case IOCTL_SET_SGI: |
| 464 | /* Get the sgi number */ |
Venkatesh Yadav Abbarapu | c8bbedc | 2021-04-19 07:49:57 -0600 | [diff] [blame] | 465 | ret = pm_register_sgi(arg1, arg2); |
| 466 | if (ret != 0) { |
Venkatesh Yadav Abbarapu | aa4898a | 2021-03-31 03:07:40 -0600 | [diff] [blame] | 467 | return PM_RET_ERROR_ARGS; |
| 468 | } |
| 469 | gicd_write_irouter(gicv3_driver_data->gicd_base, |
Venkatesh Yadav Abbarapu | bde8759 | 2022-05-24 11:11:12 +0530 | [diff] [blame] | 470 | (uint32_t)PLAT_VERSAL_IPI_IRQ, MODE); |
Michal Simek | 89e3c29 | 2022-08-04 14:08:32 +0200 | [diff] [blame] | 471 | ret = PM_RET_SUCCESS; |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 472 | break; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 473 | default: |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 474 | return PM_RET_ERROR_NOTSUPPORTED; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 475 | } |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 476 | |
| 477 | return ret; |
Tejas Patel | 9141f44 | 2019-01-10 03:03:48 -0800 | [diff] [blame] | 478 | } |
Tejas Patel | db81205 | 2019-01-23 14:18:53 +0530 | [diff] [blame] | 479 | |
| 480 | /** |
| 481 | * pm_set_wakeup_source() - PM call to specify the wakeup source while suspended |
| 482 | * @target Device id of the targeted PU or subsystem |
| 483 | * @wkup_node Device id of the wakeup peripheral |
| 484 | * @enable Enable or disable the specified peripheral as wake source |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 485 | * @flag 0 - Call from secure source |
| 486 | * 1 - Call from non-secure source |
Tejas Patel | db81205 | 2019-01-23 14:18:53 +0530 | [diff] [blame] | 487 | * |
| 488 | * @return Returns status, either success or error+reason |
| 489 | */ |
| 490 | enum pm_ret_status pm_set_wakeup_source(uint32_t target, uint32_t wkup_device, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 491 | uint8_t enable, uint32_t flag) |
Tejas Patel | db81205 | 2019-01-23 14:18:53 +0530 | [diff] [blame] | 492 | { |
| 493 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 494 | |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 495 | PM_PACK_PAYLOAD4(payload, LIBPM_MODULE_ID, flag, PM_SET_WAKEUP_SOURCE, |
| 496 | target, wkup_device, enable); |
Abhyuday Godhasara | 7ae761b | 2021-06-24 05:50:44 -0700 | [diff] [blame] | 497 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
Tejas Patel | db81205 | 2019-01-23 14:18:53 +0530 | [diff] [blame] | 498 | } |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 499 | |
| 500 | /** |
| 501 | * pm_feature_check() - Returns the supported API version if supported |
| 502 | * @api_id API ID to check |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 503 | * @flag 0 - Call from secure source |
| 504 | * 1 - Call from non-secure source |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 505 | * @ret_payload pointer to array of PAYLOAD_ARG_CNT number of |
| 506 | * words Returned supported API version and bitmasks |
| 507 | * for IOCTL and QUERY ID |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 508 | * |
| 509 | * @return Returns status, either success or error+reason |
| 510 | */ |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 511 | enum pm_ret_status pm_feature_check(uint32_t api_id, uint32_t *ret_payload, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 512 | uint32_t flag) |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 513 | { |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 514 | uint32_t payload[PAYLOAD_ARG_CNT]; |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 515 | uint32_t module_id; |
| 516 | |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 517 | /* Return version of API which are implemented in ATF only */ |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 518 | switch (api_id) { |
| 519 | case PM_GET_CALLBACK_DATA: |
| 520 | case PM_GET_TRUSTZONE_VERSION: |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 521 | ret_payload[0] = PM_API_VERSION_2; |
| 522 | return PM_RET_SUCCESS; |
Tanmay Shah | 5e3af33 | 2022-08-26 15:13:48 -0700 | [diff] [blame] | 523 | case TF_A_PM_REGISTER_SGI: |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 524 | ret_payload[0] = PM_API_BASE_VERSION; |
Tanmay Shah | ff34daa | 2021-08-09 11:00:41 -0700 | [diff] [blame] | 525 | return PM_RET_SUCCESS; |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 526 | default: |
Abhyuday Godhasara | 95374b4 | 2021-08-05 07:07:35 -0700 | [diff] [blame] | 527 | break; |
| 528 | } |
| 529 | |
Venkatesh Yadav Abbarapu | a0657d9 | 2022-07-20 09:03:22 +0530 | [diff] [blame] | 530 | module_id = (api_id & MODULE_ID_MASK) >> 8U; |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 531 | |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 532 | /* |
| 533 | * feature check should be done only for LIBPM module |
| 534 | * If module_id is 0, then we consider it LIBPM module as default id |
| 535 | */ |
| 536 | if ((module_id > 0) && (module_id != LIBPM_MODULE_ID)) { |
| 537 | return PM_RET_SUCCESS; |
Abhyuday Godhasara | ddc4662 | 2021-08-05 03:14:17 -0700 | [diff] [blame] | 538 | } |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 539 | |
Ronak Jain | 70d1c58 | 2022-02-04 00:42:55 -0800 | [diff] [blame] | 540 | PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, flag, |
| 541 | PM_FEATURE_CHECK, api_id); |
| 542 | return pm_ipi_send_sync(primary_proc, payload, ret_payload, PAYLOAD_ARG_CNT); |
Ravi Patel | 22b0b49 | 2019-03-06 12:34:46 +0530 | [diff] [blame] | 543 | } |
Jolly Shah | ed05a71 | 2019-03-22 05:33:39 +0530 | [diff] [blame] | 544 | |
| 545 | /** |
| 546 | * pm_load_pdi() - Load the PDI |
| 547 | * |
| 548 | * This function provides support to load PDI from linux |
| 549 | * |
| 550 | * src: Source device of pdi(DDR, OCM, SD etc) |
| 551 | * address_low: lower 32-bit Linear memory space address |
| 552 | * address_high: higher 32-bit Linear memory space address |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 553 | * @flag 0 - Call from secure source |
| 554 | * 1 - Call from non-secure source |
Jolly Shah | ed05a71 | 2019-03-22 05:33:39 +0530 | [diff] [blame] | 555 | * |
| 556 | * @return Returns status, either success or error+reason |
| 557 | */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 558 | enum pm_ret_status pm_load_pdi(uint32_t src, uint32_t address_low, |
| 559 | uint32_t address_high, uint32_t flag) |
Jolly Shah | ed05a71 | 2019-03-22 05:33:39 +0530 | [diff] [blame] | 560 | { |
| 561 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 562 | |
| 563 | /* Send request to the PMU */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 564 | PM_PACK_PAYLOAD4(payload, LOADER_MODULE_ID, flag, PM_LOAD_PDI, src, |
Jolly Shah | ed05a71 | 2019-03-22 05:33:39 +0530 | [diff] [blame] | 565 | address_high, address_low); |
| 566 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| 567 | } |
Saeed Nowshadi | 2294b42 | 2019-06-03 10:22:35 -0700 | [diff] [blame] | 568 | |
| 569 | /** |
Tejas Patel | 4201555 | 2020-11-25 01:56:57 -0800 | [diff] [blame] | 570 | * pm_register_notifier() - PM call to register a subsystem to be notified |
| 571 | * about the device event |
| 572 | * @device_id Device ID for the Node to which the event is related |
| 573 | * @event Event in question |
| 574 | * @wake Wake subsystem upon capturing the event if value 1 |
| 575 | * @enable Enable the registration for value 1, disable for value 0 |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 576 | * @flag 0 - Call from secure source |
| 577 | * 1 - Call from non-secure source |
Tejas Patel | 4201555 | 2020-11-25 01:56:57 -0800 | [diff] [blame] | 578 | * |
| 579 | * @return Returns status, either success or error+reason |
| 580 | */ |
| 581 | enum pm_ret_status pm_register_notifier(uint32_t device_id, uint32_t event, |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 582 | uint32_t wake, uint32_t enable, |
| 583 | uint32_t flag) |
Tejas Patel | 4201555 | 2020-11-25 01:56:57 -0800 | [diff] [blame] | 584 | { |
| 585 | uint32_t payload[PAYLOAD_ARG_CNT]; |
| 586 | |
| 587 | /* Send request to the PMC */ |
Tejas Patel | 18072da | 2021-02-25 20:16:56 -0800 | [diff] [blame] | 588 | PM_PACK_PAYLOAD5(payload, LIBPM_MODULE_ID, flag, PM_REGISTER_NOTIFIER, |
Tejas Patel | 4201555 | 2020-11-25 01:56:57 -0800 | [diff] [blame] | 589 | device_id, event, wake, enable); |
| 590 | |
| 591 | return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| 592 | } |