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