Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 1 | /* |
Michal Simek | 2a47faa | 2023-04-14 08:43:51 +0200 | [diff] [blame] | 2 | * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved. |
Jay Buddhabhatti | 26e138a | 2022-12-21 23:03:35 -0800 | [diff] [blame] | 3 | * Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved. |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 4 | * |
| 5 | * SPDX-License-Identifier: BSD-3-Clause |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * ZynqMP system level PM-API functions for ioctl. |
| 10 | */ |
| 11 | |
| 12 | #include <arch_helpers.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 13 | #include <drivers/delay_timer.h> |
| 14 | #include <lib/mmio.h> |
| 15 | #include <plat/common/platform.h> |
| 16 | |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 17 | #include "pm_api_clock.h" |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 18 | #include "pm_api_ioctl.h" |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 19 | #include "pm_client.h" |
| 20 | #include "pm_common.h" |
| 21 | #include "pm_ipi.h" |
Prasad Kummari | 536e110 | 2023-06-22 10:50:02 +0530 | [diff] [blame] | 22 | #include <zynqmp_def.h> |
Jay Buddhabhatti | 26e138a | 2022-12-21 23:03:35 -0800 | [diff] [blame] | 23 | #include "zynqmp_pm_api_sys.h" |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 24 | |
| 25 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 26 | * pm_ioctl_get_rpu_oper_mode () - Get current RPU operation mode. |
| 27 | * @mode: Buffer to store value of oper mode(Split/Lock-step) |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 28 | * |
| 29 | * This function provides current configured RPU operational mode. |
| 30 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 31 | * Return: Returns status, either success or error+reason. |
| 32 | * |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 33 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 34 | static enum pm_ret_status pm_ioctl_get_rpu_oper_mode(uint32_t *mode) |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 35 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 36 | uint32_t val; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 37 | |
| 38 | val = mmio_read_32(ZYNQMP_RPU_GLBL_CNTL); |
| 39 | val &= ZYNQMP_SLSPLIT_MASK; |
Venkatesh Yadav Abbarapu | a2ca35d | 2022-07-04 11:40:27 +0530 | [diff] [blame] | 40 | if (val == 0U) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 41 | *mode = PM_RPU_MODE_LOCKSTEP; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 42 | } else { |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 43 | *mode = PM_RPU_MODE_SPLIT; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 44 | } |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 45 | |
| 46 | return PM_RET_SUCCESS; |
| 47 | } |
| 48 | |
| 49 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 50 | * pm_ioctl_set_rpu_oper_mode () - Configure RPU operation mode. |
| 51 | * @mode: Value to set for oper mode(Split/Lock-step). |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 52 | * |
| 53 | * This function configures RPU operational mode(Split/Lock-step). |
| 54 | * It also sets TCM combined mode in RPU lock-step and TCM non-combined |
| 55 | * mode for RPU split mode. In case of Lock step mode, RPU1's output is |
| 56 | * clamped. |
| 57 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 58 | * Return: Returns status, either success or error+reason. |
| 59 | * |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 60 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 61 | static enum pm_ret_status pm_ioctl_set_rpu_oper_mode(uint32_t mode) |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 62 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 63 | uint32_t val; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 64 | |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 65 | if (mmio_read_32(CRL_APB_RST_LPD_TOP) & CRL_APB_RPU_AMBA_RESET) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 66 | return PM_RET_ERROR_ACCESS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 67 | } |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 68 | |
| 69 | val = mmio_read_32(ZYNQMP_RPU_GLBL_CNTL); |
| 70 | |
| 71 | if (mode == PM_RPU_MODE_SPLIT) { |
| 72 | val |= ZYNQMP_SLSPLIT_MASK; |
| 73 | val &= ~ZYNQMP_TCM_COMB_MASK; |
| 74 | val &= ~ZYNQMP_SLCLAMP_MASK; |
| 75 | } else if (mode == PM_RPU_MODE_LOCKSTEP) { |
| 76 | val &= ~ZYNQMP_SLSPLIT_MASK; |
| 77 | val |= ZYNQMP_TCM_COMB_MASK; |
| 78 | val |= ZYNQMP_SLCLAMP_MASK; |
| 79 | } else { |
| 80 | return PM_RET_ERROR_ARGS; |
| 81 | } |
| 82 | |
| 83 | mmio_write_32(ZYNQMP_RPU_GLBL_CNTL, val); |
| 84 | |
| 85 | return PM_RET_SUCCESS; |
| 86 | } |
| 87 | |
| 88 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 89 | * pm_ioctl_config_boot_addr() - Configure RPU boot address. |
| 90 | * @nid: Node ID of RPU. |
| 91 | * @value: Value to set for boot address (TCM/OCM). |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 92 | * |
| 93 | * This function configures RPU boot address(memory). |
| 94 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 95 | * Return: Returns status, either success or error+reason. |
| 96 | * |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 97 | */ |
| 98 | static enum pm_ret_status pm_ioctl_config_boot_addr(enum pm_node_id nid, |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 99 | uint32_t value) |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 100 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 101 | uint32_t rpu_cfg_addr, val; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 102 | |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 103 | if (nid == NODE_RPU_0) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 104 | rpu_cfg_addr = ZYNQMP_RPU0_CFG; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 105 | } else if (nid == NODE_RPU_1) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 106 | rpu_cfg_addr = ZYNQMP_RPU1_CFG; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 107 | } else { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 108 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 109 | } |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 110 | |
| 111 | val = mmio_read_32(rpu_cfg_addr); |
| 112 | |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 113 | if (value == PM_RPU_BOOTMEM_LOVEC) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 114 | val &= ~ZYNQMP_VINITHI_MASK; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 115 | } else if (value == PM_RPU_BOOTMEM_HIVEC) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 116 | val |= ZYNQMP_VINITHI_MASK; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 117 | } else { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 118 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 119 | } |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 120 | |
| 121 | mmio_write_32(rpu_cfg_addr, val); |
| 122 | |
| 123 | return PM_RET_SUCCESS; |
| 124 | } |
| 125 | |
| 126 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 127 | * pm_ioctl_config_tcm_comb() - Configure TCM combined mode. |
| 128 | * @value: Value to set (Split/Combined). |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 129 | * |
| 130 | * This function configures TCM to be in split mode or combined |
| 131 | * mode. |
| 132 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 133 | * Return: Returns status, either success or error+reason. |
| 134 | * |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 135 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 136 | static enum pm_ret_status pm_ioctl_config_tcm_comb(uint32_t value) |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 137 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 138 | uint32_t val; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 139 | |
| 140 | val = mmio_read_32(ZYNQMP_RPU_GLBL_CNTL); |
| 141 | |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 142 | if (value == PM_RPU_TCM_SPLIT) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 143 | val &= ~ZYNQMP_TCM_COMB_MASK; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 144 | } else if (value == PM_RPU_TCM_COMB) { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 145 | val |= ZYNQMP_TCM_COMB_MASK; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 146 | } else { |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 147 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 148 | } |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 149 | |
| 150 | mmio_write_32(ZYNQMP_RPU_GLBL_CNTL, val); |
| 151 | |
| 152 | return PM_RET_SUCCESS; |
| 153 | } |
| 154 | |
| 155 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 156 | * pm_ioctl_set_tapdelay_bypass() - Enable/Disable tap delay bypass. |
| 157 | * @type: Type of tap delay to enable/disable (e.g. QSPI). |
| 158 | * @value: Enable/Disable. |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 159 | * |
| 160 | * This function enable/disable tap delay bypass. |
| 161 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 162 | * Return: Returns status, either success or error+reason. |
| 163 | * |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 164 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 165 | static enum pm_ret_status pm_ioctl_set_tapdelay_bypass(uint32_t type, |
| 166 | uint32_t value) |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 167 | { |
| 168 | if ((value != PM_TAPDELAY_BYPASS_ENABLE && |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 169 | value != PM_TAPDELAY_BYPASS_DISABLE) || type >= PM_TAPDELAY_MAX) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 170 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 171 | } |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 172 | |
| 173 | return pm_mmio_write(IOU_TAPDLY_BYPASS, TAP_DELAY_MASK, value << type); |
| 174 | } |
| 175 | |
| 176 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 177 | * pm_ioctl_sd_dll_reset() - Reset DLL logic. |
| 178 | * @nid: Node ID of the device. |
| 179 | * @type: Reset type. |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 180 | * |
| 181 | * This function resets DLL logic for the SD device. |
| 182 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 183 | * Return: Returns status, either success or error+reason. |
| 184 | * |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 185 | */ |
| 186 | static enum pm_ret_status pm_ioctl_sd_dll_reset(enum pm_node_id nid, |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 187 | uint32_t type) |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 188 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 189 | uint32_t mask, val; |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 190 | enum pm_ret_status ret; |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 191 | |
| 192 | if (nid == NODE_SD_0) { |
| 193 | mask = ZYNQMP_SD0_DLL_RST_MASK; |
| 194 | val = ZYNQMP_SD0_DLL_RST; |
| 195 | } else if (nid == NODE_SD_1) { |
| 196 | mask = ZYNQMP_SD1_DLL_RST_MASK; |
| 197 | val = ZYNQMP_SD1_DLL_RST; |
| 198 | } else { |
| 199 | return PM_RET_ERROR_ARGS; |
| 200 | } |
| 201 | |
| 202 | switch (type) { |
| 203 | case PM_DLL_RESET_ASSERT: |
| 204 | case PM_DLL_RESET_PULSE: |
| 205 | ret = pm_mmio_write(ZYNQMP_SD_DLL_CTRL, mask, val); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 206 | if (ret != PM_RET_SUCCESS) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 207 | return ret; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 208 | } |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 209 | |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 210 | if (type == PM_DLL_RESET_ASSERT) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 211 | break; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 212 | } |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 213 | mdelay(1); |
Daniel Boulby | 8942a1b | 2018-06-22 14:16:03 +0100 | [diff] [blame] | 214 | /* Fallthrough */ |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 215 | case PM_DLL_RESET_RELEASE: |
| 216 | ret = pm_mmio_write(ZYNQMP_SD_DLL_CTRL, mask, 0); |
| 217 | break; |
| 218 | default: |
| 219 | ret = PM_RET_ERROR_ARGS; |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 220 | break; |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | return ret; |
| 224 | } |
| 225 | |
| 226 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 227 | * pm_ioctl_sd_set_tapdelay() - Set tap delay for the SD device. |
| 228 | * @nid: Node ID of the device. |
| 229 | * @type: Type of tap delay to set (input/output). |
| 230 | * @value: Value to set fot the tap delay. |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 231 | * |
| 232 | * This function sets input/output tap delay for the SD device. |
| 233 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 234 | * Return: Returns status, either success or error+reason. |
| 235 | * |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 236 | */ |
| 237 | static enum pm_ret_status pm_ioctl_sd_set_tapdelay(enum pm_node_id nid, |
| 238 | enum tap_delay_type type, |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 239 | uint32_t value) |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 240 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 241 | uint32_t shift; |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 242 | enum pm_ret_status ret; |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 243 | uint32_t val, mask; |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 244 | |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 245 | if (nid == NODE_SD_0) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 246 | shift = 0; |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 247 | mask = ZYNQMP_SD0_DLL_RST_MASK; |
| 248 | } else if (nid == NODE_SD_1) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 249 | shift = ZYNQMP_SD_TAP_OFFSET; |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 250 | mask = ZYNQMP_SD1_DLL_RST_MASK; |
| 251 | } else { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 252 | return PM_RET_ERROR_ARGS; |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 253 | } |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 254 | |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 255 | ret = pm_mmio_read(ZYNQMP_SD_DLL_CTRL, &val); |
| 256 | if (ret != PM_RET_SUCCESS) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 257 | return ret; |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 258 | } |
| 259 | |
Venkatesh Yadav Abbarapu | a2ca35d | 2022-07-04 11:40:27 +0530 | [diff] [blame] | 260 | if ((val & mask) == 0U) { |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 261 | ret = pm_ioctl_sd_dll_reset(nid, PM_DLL_RESET_ASSERT); |
| 262 | if (ret != PM_RET_SUCCESS) { |
| 263 | return ret; |
| 264 | } |
| 265 | } |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 266 | |
| 267 | if (type == PM_TAPDELAY_INPUT) { |
| 268 | ret = pm_mmio_write(ZYNQMP_SD_ITAP_DLY, |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 269 | (ZYNQMP_SD_ITAPCHGWIN_MASK << shift), |
| 270 | (ZYNQMP_SD_ITAPCHGWIN << shift)); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 271 | |
| 272 | if (ret != PM_RET_SUCCESS) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 273 | goto reset_release; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 274 | } |
| 275 | |
Venkatesh Yadav Abbarapu | a2ca35d | 2022-07-04 11:40:27 +0530 | [diff] [blame] | 276 | if (value == 0U) { |
Sai Krishna Potthuri | 15da582 | 2020-10-30 00:09:43 -0600 | [diff] [blame] | 277 | ret = pm_mmio_write(ZYNQMP_SD_ITAP_DLY, |
| 278 | (ZYNQMP_SD_ITAPDLYENA_MASK << |
| 279 | shift), 0); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 280 | } else { |
Sai Krishna Potthuri | 15da582 | 2020-10-30 00:09:43 -0600 | [diff] [blame] | 281 | ret = pm_mmio_write(ZYNQMP_SD_ITAP_DLY, |
| 282 | (ZYNQMP_SD_ITAPDLYENA_MASK << |
| 283 | shift), (ZYNQMP_SD_ITAPDLYENA << |
| 284 | shift)); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | if (ret != PM_RET_SUCCESS) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 288 | goto reset_release; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 289 | } |
| 290 | |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 291 | ret = pm_mmio_write(ZYNQMP_SD_ITAP_DLY, |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 292 | (ZYNQMP_SD_ITAPDLYSEL_MASK << shift), |
| 293 | (value << shift)); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 294 | |
| 295 | if (ret != PM_RET_SUCCESS) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 296 | goto reset_release; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 297 | } |
| 298 | |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 299 | ret = pm_mmio_write(ZYNQMP_SD_ITAP_DLY, |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 300 | (ZYNQMP_SD_ITAPCHGWIN_MASK << shift), 0); |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 301 | } else if (type == PM_TAPDELAY_OUTPUT) { |
| 302 | ret = pm_mmio_write(ZYNQMP_SD_OTAP_DLY, |
Sai Krishna Potthuri | 15da582 | 2020-10-30 00:09:43 -0600 | [diff] [blame] | 303 | (ZYNQMP_SD_OTAPDLYENA_MASK << shift), 0); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 304 | |
| 305 | if (ret != PM_RET_SUCCESS) { |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 306 | goto reset_release; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 307 | } |
| 308 | |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 309 | ret = pm_mmio_write(ZYNQMP_SD_OTAP_DLY, |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 310 | (ZYNQMP_SD_OTAPDLYSEL_MASK << shift), |
| 311 | (value << shift)); |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 312 | } else { |
| 313 | ret = PM_RET_ERROR_ARGS; |
| 314 | } |
| 315 | |
| 316 | reset_release: |
Sai Krishna Potthuri | ad48c50 | 2020-10-20 07:00:06 -0600 | [diff] [blame] | 317 | if ((val & mask) == 0) { |
| 318 | (void)pm_ioctl_sd_dll_reset(nid, PM_DLL_RESET_RELEASE); |
| 319 | } |
| 320 | |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 321 | return ret; |
| 322 | } |
| 323 | |
| 324 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 325 | * pm_ioctl_set_pll_frac_mode() - Ioctl function for setting pll mode. |
| 326 | * @pll: PLL clock id. |
| 327 | * @mode: Mode fraction/integar. |
| 328 | * |
| 329 | * This function sets PLL mode. |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 330 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 331 | * Return: Returns status, either success or error+reason. |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 332 | * |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 333 | */ |
| 334 | static enum pm_ret_status pm_ioctl_set_pll_frac_mode |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 335 | (uint32_t pll, uint32_t mode) |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 336 | { |
Jolly Shah | cb5bc75 | 2019-01-02 12:46:46 -0800 | [diff] [blame] | 337 | return pm_clock_set_pll_mode(pll, mode); |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 341 | * pm_ioctl_get_pll_frac_mode() - Ioctl function for getting pll mode. |
| 342 | * @pll: PLL clock id. |
| 343 | * @mode: Mode fraction/integar. |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 344 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 345 | * This function return current PLL mode. |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 346 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 347 | * Return: Returns status, either success or error+reason. |
| 348 | * |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 349 | */ |
| 350 | static enum pm_ret_status pm_ioctl_get_pll_frac_mode |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 351 | (uint32_t pll, uint32_t *mode) |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 352 | { |
Jolly Shah | 77eb52f | 2019-01-02 12:49:21 -0800 | [diff] [blame] | 353 | return pm_clock_get_pll_mode(pll, mode); |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 357 | * pm_ioctl_set_pll_frac_data() - Ioctl function for setting pll fraction data. |
| 358 | * @pll: PLL clock id. |
| 359 | * @data: fraction data. |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 360 | * |
| 361 | * This function sets fraction data. |
| 362 | * It is valid for fraction mode only. |
| 363 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 364 | * Return: Returns status, either success or error+reason. |
| 365 | * |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 366 | */ |
| 367 | static enum pm_ret_status pm_ioctl_set_pll_frac_data |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 368 | (uint32_t pll, uint32_t data) |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 369 | { |
Jolly Shah | 68116ef | 2019-01-02 12:42:56 -0800 | [diff] [blame] | 370 | enum pm_node_id pll_nid; |
| 371 | enum pm_ret_status status; |
| 372 | |
| 373 | /* Get PLL node ID using PLL clock ID */ |
| 374 | status = pm_clock_get_pll_node_id(pll, &pll_nid); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 375 | if (status != PM_RET_SUCCESS) { |
Jolly Shah | 68116ef | 2019-01-02 12:42:56 -0800 | [diff] [blame] | 376 | return status; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 377 | } |
Jolly Shah | 68116ef | 2019-01-02 12:42:56 -0800 | [diff] [blame] | 378 | |
| 379 | return pm_pll_set_parameter(pll_nid, PM_PLL_PARAM_DATA, data); |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 383 | * pm_ioctl_get_pll_frac_data() - Ioctl function for getting pll fraction data. |
| 384 | * @pll: PLL clock id. |
| 385 | * @data: fraction data. |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 386 | * |
| 387 | * This function returns fraction data value. |
| 388 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 389 | * Return: Returns status, either success or error+reason. |
| 390 | * |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 391 | */ |
| 392 | static enum pm_ret_status pm_ioctl_get_pll_frac_data |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 393 | (uint32_t pll, uint32_t *data) |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 394 | { |
Jolly Shah | b4c9946 | 2019-01-02 12:40:17 -0800 | [diff] [blame] | 395 | enum pm_node_id pll_nid; |
| 396 | enum pm_ret_status status; |
| 397 | |
| 398 | /* Get PLL node ID using PLL clock ID */ |
| 399 | status = pm_clock_get_pll_node_id(pll, &pll_nid); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 400 | if (status != PM_RET_SUCCESS) { |
Jolly Shah | b4c9946 | 2019-01-02 12:40:17 -0800 | [diff] [blame] | 401 | return status; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 402 | } |
Jolly Shah | b4c9946 | 2019-01-02 12:40:17 -0800 | [diff] [blame] | 403 | |
| 404 | return pm_pll_get_parameter(pll_nid, PM_PLL_PARAM_DATA, data); |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 408 | * pm_ioctl_write_ggs() - Ioctl function for writing global general storage |
| 409 | * (ggs). |
| 410 | * @index: GGS register index. |
| 411 | * @value: Register value to be written. |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 412 | * |
| 413 | * This function writes value to GGS register. |
| 414 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 415 | * Return: Returns status, either success or error+reason. |
| 416 | * |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 417 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 418 | static enum pm_ret_status pm_ioctl_write_ggs(uint32_t index, |
| 419 | uint32_t value) |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 420 | { |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 421 | if (index >= GGS_NUM_REGS) { |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 422 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 423 | } |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 424 | |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 425 | return pm_mmio_write(GGS_BASEADDR + (index << 2), |
| 426 | 0xFFFFFFFFU, value); |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 430 | * pm_ioctl_read_ggs() - Ioctl function for reading global general storage |
| 431 | * (ggs). |
| 432 | * @index: GGS register index. |
| 433 | * @value: Register value. |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 434 | * |
| 435 | * This function returns GGS register value. |
| 436 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 437 | * Return: Returns status, either success or error+reason. |
| 438 | * |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 439 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 440 | static enum pm_ret_status pm_ioctl_read_ggs(uint32_t index, |
| 441 | uint32_t *value) |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 442 | { |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 443 | if (index >= GGS_NUM_REGS) { |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 444 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 445 | } |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 446 | |
| 447 | return pm_mmio_read(GGS_BASEADDR + (index << 2), value); |
| 448 | } |
| 449 | |
| 450 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 451 | * pm_ioctl_write_pggs() - Ioctl function for writing persistent global general |
| 452 | * storage (pggs). |
| 453 | * @index: PGGS register index. |
| 454 | * @value: Register value to be written. |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 455 | * |
| 456 | * This function writes value to PGGS register. |
| 457 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 458 | * Return: Returns status, either success or error+reason. |
| 459 | * |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 460 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 461 | static enum pm_ret_status pm_ioctl_write_pggs(uint32_t index, |
| 462 | uint32_t value) |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 463 | { |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 464 | if (index >= PGGS_NUM_REGS) { |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 465 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 466 | } |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 467 | |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 468 | return pm_mmio_write(PGGS_BASEADDR + (index << 2), |
| 469 | 0xFFFFFFFFU, value); |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 473 | * pm_ioctl_afi() - Ioctl function for writing afi values. |
| 474 | * @index: AFI register index. |
| 475 | * @value: Register value to be written. |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 476 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 477 | * Return: Returns status, either success or error+reason. |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 478 | * |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 479 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 480 | static enum pm_ret_status pm_ioctl_afi(uint32_t index, |
| 481 | uint32_t value) |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 482 | { |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 483 | uint32_t mask; |
| 484 | uint32_t regarr[] = {0xFD360000U, |
Venkatesh Yadav Abbarapu | ed4f1e8 | 2022-04-29 09:58:30 +0530 | [diff] [blame] | 485 | 0xFD360014U, |
| 486 | 0xFD370000U, |
| 487 | 0xFD370014U, |
| 488 | 0xFD380000U, |
| 489 | 0xFD380014U, |
| 490 | 0xFD390000U, |
| 491 | 0xFD390014U, |
| 492 | 0xFD3a0000U, |
| 493 | 0xFD3a0014U, |
| 494 | 0xFD3b0000U, |
| 495 | 0xFD3b0014U, |
| 496 | 0xFF9b0000U, |
| 497 | 0xFF9b0014U, |
| 498 | 0xFD615000U, |
| 499 | 0xFF419000U, |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 500 | }; |
| 501 | |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 502 | if (index >= ARRAY_SIZE(regarr)) { |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 503 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 504 | } |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 505 | |
Akshay Belsare | af00b31 | 2022-08-23 11:39:35 +0530 | [diff] [blame] | 506 | if (index <= AFIFM6_WRCTRL) { |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 507 | mask = FABRIC_WIDTH; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 508 | } else { |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 509 | mask = 0xf00; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 510 | } |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 511 | |
| 512 | return pm_mmio_write(regarr[index], mask, value); |
| 513 | } |
| 514 | |
| 515 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 516 | * pm_ioctl_read_pggs() - Ioctl function for reading persistent global general |
| 517 | * storage (pggs). |
| 518 | * @index: PGGS register index. |
| 519 | * @value: Register value. |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 520 | * |
| 521 | * This function returns PGGS register value. |
| 522 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 523 | * Return: Returns status, either success or error+reason. |
| 524 | * |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 525 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 526 | static enum pm_ret_status pm_ioctl_read_pggs(uint32_t index, |
| 527 | uint32_t *value) |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 528 | { |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 529 | if (index >= PGGS_NUM_REGS) { |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 530 | return PM_RET_ERROR_ARGS; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 531 | } |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 532 | |
| 533 | return pm_mmio_read(PGGS_BASEADDR + (index << 2), value); |
| 534 | } |
| 535 | |
| 536 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 537 | * pm_ioctl_ulpi_reset() - Ioctl function for performing ULPI reset. |
| 538 | * |
| 539 | * Return: Returns status, either success or error+reason. |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 540 | * |
| 541 | * This function peerforms the ULPI reset sequence for resetting |
| 542 | * the ULPI transceiver. |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 543 | */ |
| 544 | static enum pm_ret_status pm_ioctl_ulpi_reset(void) |
| 545 | { |
| 546 | enum pm_ret_status ret; |
| 547 | |
| 548 | ret = pm_mmio_write(CRL_APB_BOOT_PIN_CTRL, CRL_APB_BOOT_PIN_MASK, |
| 549 | ZYNQMP_ULPI_RESET_VAL_HIGH); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 550 | if (ret != PM_RET_SUCCESS) { |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 551 | return ret; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 552 | } |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 553 | |
| 554 | /* Drive ULPI assert for atleast 1ms */ |
| 555 | mdelay(1); |
| 556 | |
| 557 | ret = pm_mmio_write(CRL_APB_BOOT_PIN_CTRL, CRL_APB_BOOT_PIN_MASK, |
| 558 | ZYNQMP_ULPI_RESET_VAL_LOW); |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 559 | if (ret != PM_RET_SUCCESS) { |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 560 | return ret; |
Venkatesh Yadav Abbarapu | 987fad3 | 2022-04-29 13:52:00 +0530 | [diff] [blame] | 561 | } |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 562 | |
| 563 | /* Drive ULPI de-assert for atleast 1ms */ |
| 564 | mdelay(1); |
| 565 | |
| 566 | ret = pm_mmio_write(CRL_APB_BOOT_PIN_CTRL, CRL_APB_BOOT_PIN_MASK, |
| 567 | ZYNQMP_ULPI_RESET_VAL_HIGH); |
| 568 | |
| 569 | return ret; |
| 570 | } |
| 571 | |
| 572 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 573 | * pm_ioctl_set_boot_health_status() - Ioctl for setting healthy boot status. |
| 574 | * @value: Value to write. |
Siva Durga Prasad Paladugu | ac8526f | 2018-09-04 17:12:51 +0530 | [diff] [blame] | 575 | * |
| 576 | * This function sets healthy bit value to indicate boot health status |
| 577 | * to firmware. |
| 578 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 579 | * Return: Returns status, either success or error+reason. |
| 580 | * |
Siva Durga Prasad Paladugu | ac8526f | 2018-09-04 17:12:51 +0530 | [diff] [blame] | 581 | */ |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 582 | static enum pm_ret_status pm_ioctl_set_boot_health_status(uint32_t value) |
Siva Durga Prasad Paladugu | ac8526f | 2018-09-04 17:12:51 +0530 | [diff] [blame] | 583 | { |
Tejas Patel | 6552a55 | 2020-11-22 23:37:55 -0800 | [diff] [blame] | 584 | return pm_mmio_write(PMU_GLOBAL_GEN_STORAGE4, |
Siva Durga Prasad Paladugu | ac8526f | 2018-09-04 17:12:51 +0530 | [diff] [blame] | 585 | PM_BOOT_HEALTH_STATUS_MASK, value); |
| 586 | } |
| 587 | |
| 588 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 589 | * pm_api_ioctl() - PM IOCTL API for device control and configs. |
| 590 | * @nid: Node ID of the device. |
| 591 | * @ioctl_id: ID of the requested IOCTL. |
| 592 | * @arg1: Argument 1 to requested IOCTL call. |
| 593 | * @arg2: Argument 2 to requested IOCTL call. |
| 594 | * @value: Returned output value. |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 595 | * |
| 596 | * This function calls IOCTL to firmware for device control and configuration. |
| 597 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 598 | * Return: Returns status, either success or error+reason. |
| 599 | * |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 600 | */ |
| 601 | enum pm_ret_status pm_api_ioctl(enum pm_node_id nid, |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 602 | uint32_t ioctl_id, |
| 603 | uint32_t arg1, |
| 604 | uint32_t arg2, |
| 605 | uint32_t *value) |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 606 | { |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 607 | enum pm_ret_status ret; |
Rajan Vaja | 0c0615a | 2021-10-12 03:30:09 -0700 | [diff] [blame] | 608 | uint32_t payload[PAYLOAD_ARG_CNT]; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 609 | |
| 610 | switch (ioctl_id) { |
| 611 | case IOCTL_GET_RPU_OPER_MODE: |
| 612 | ret = pm_ioctl_get_rpu_oper_mode(value); |
| 613 | break; |
| 614 | case IOCTL_SET_RPU_OPER_MODE: |
| 615 | ret = pm_ioctl_set_rpu_oper_mode(arg1); |
| 616 | break; |
| 617 | case IOCTL_RPU_BOOT_ADDR_CONFIG: |
| 618 | ret = pm_ioctl_config_boot_addr(nid, arg1); |
| 619 | break; |
| 620 | case IOCTL_TCM_COMB_CONFIG: |
| 621 | ret = pm_ioctl_config_tcm_comb(arg1); |
| 622 | break; |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 623 | case IOCTL_SET_TAPDELAY_BYPASS: |
| 624 | ret = pm_ioctl_set_tapdelay_bypass(arg1, arg2); |
| 625 | break; |
Rajan Vaja | aea41bb | 2018-01-17 02:39:24 -0800 | [diff] [blame] | 626 | case IOCTL_SD_DLL_RESET: |
| 627 | ret = pm_ioctl_sd_dll_reset(nid, arg1); |
| 628 | break; |
| 629 | case IOCTL_SET_SD_TAPDELAY: |
| 630 | ret = pm_ioctl_sd_set_tapdelay(nid, arg1, arg2); |
| 631 | break; |
Rajan Vaja | 3511613 | 2018-01-17 02:39:25 -0800 | [diff] [blame] | 632 | case IOCTL_SET_PLL_FRAC_MODE: |
| 633 | ret = pm_ioctl_set_pll_frac_mode(arg1, arg2); |
| 634 | break; |
| 635 | case IOCTL_GET_PLL_FRAC_MODE: |
| 636 | ret = pm_ioctl_get_pll_frac_mode(arg1, value); |
| 637 | break; |
| 638 | case IOCTL_SET_PLL_FRAC_DATA: |
| 639 | ret = pm_ioctl_set_pll_frac_data(arg1, arg2); |
| 640 | break; |
| 641 | case IOCTL_GET_PLL_FRAC_DATA: |
| 642 | ret = pm_ioctl_get_pll_frac_data(arg1, value); |
| 643 | break; |
Rajan Vaja | 393c0a2 | 2018-01-17 02:39:27 -0800 | [diff] [blame] | 644 | case IOCTL_WRITE_GGS: |
| 645 | ret = pm_ioctl_write_ggs(arg1, arg2); |
| 646 | break; |
| 647 | case IOCTL_READ_GGS: |
| 648 | ret = pm_ioctl_read_ggs(arg1, value); |
| 649 | break; |
| 650 | case IOCTL_WRITE_PGGS: |
| 651 | ret = pm_ioctl_write_pggs(arg1, arg2); |
| 652 | break; |
| 653 | case IOCTL_READ_PGGS: |
| 654 | ret = pm_ioctl_read_pggs(arg1, value); |
| 655 | break; |
Siva Durga Prasad Paladugu | ed1d5cb | 2018-09-04 17:03:25 +0530 | [diff] [blame] | 656 | case IOCTL_ULPI_RESET: |
| 657 | ret = pm_ioctl_ulpi_reset(); |
| 658 | break; |
Siva Durga Prasad Paladugu | ac8526f | 2018-09-04 17:12:51 +0530 | [diff] [blame] | 659 | case IOCTL_SET_BOOT_HEALTH_STATUS: |
| 660 | ret = pm_ioctl_set_boot_health_status(arg1); |
| 661 | break; |
Siva Durga Prasad Paladugu | a22b885 | 2018-09-04 17:27:12 +0530 | [diff] [blame] | 662 | case IOCTL_AFI: |
| 663 | ret = pm_ioctl_afi(arg1, arg2); |
| 664 | break; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 665 | default: |
Rajan Vaja | 0c0615a | 2021-10-12 03:30:09 -0700 | [diff] [blame] | 666 | /* Send request to the PMU */ |
| 667 | PM_PACK_PAYLOAD5(payload, PM_IOCTL, nid, ioctl_id, arg1, arg2); |
| 668 | |
| 669 | ret = pm_ipi_send_sync(primary_proc, payload, value, 1); |
Jolly Shah | 69fb5bf | 2018-02-07 16:25:41 -0800 | [diff] [blame] | 670 | break; |
Rajan Vaja | 5529a01 | 2018-01-17 02:39:23 -0800 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | return ret; |
| 674 | } |
Ronak Jain | 325bad1 | 2021-12-21 01:39:59 -0800 | [diff] [blame] | 675 | |
| 676 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 677 | * tfa_ioctl_bitmask() - API to get supported IOCTL ID mask. |
| 678 | * @bit_mask: Returned bit mask of supported IOCTL IDs. |
| 679 | * |
| 680 | * Return: 0 success, negative value for errors. |
| 681 | * |
Ronak Jain | 325bad1 | 2021-12-21 01:39:59 -0800 | [diff] [blame] | 682 | */ |
Prasad Kummari | e078311 | 2023-04-26 11:02:07 +0530 | [diff] [blame] | 683 | enum pm_ret_status tfa_ioctl_bitmask(uint32_t *bit_mask) |
Ronak Jain | 325bad1 | 2021-12-21 01:39:59 -0800 | [diff] [blame] | 684 | { |
| 685 | uint8_t supported_ids[] = { |
| 686 | IOCTL_GET_RPU_OPER_MODE, |
| 687 | IOCTL_SET_RPU_OPER_MODE, |
| 688 | IOCTL_RPU_BOOT_ADDR_CONFIG, |
| 689 | IOCTL_TCM_COMB_CONFIG, |
| 690 | IOCTL_SET_TAPDELAY_BYPASS, |
Ronak Jain | 325bad1 | 2021-12-21 01:39:59 -0800 | [diff] [blame] | 691 | IOCTL_SD_DLL_RESET, |
| 692 | IOCTL_SET_SD_TAPDELAY, |
| 693 | IOCTL_SET_PLL_FRAC_MODE, |
| 694 | IOCTL_GET_PLL_FRAC_MODE, |
| 695 | IOCTL_SET_PLL_FRAC_DATA, |
| 696 | IOCTL_GET_PLL_FRAC_DATA, |
| 697 | IOCTL_WRITE_GGS, |
| 698 | IOCTL_READ_GGS, |
| 699 | IOCTL_WRITE_PGGS, |
| 700 | IOCTL_READ_PGGS, |
| 701 | IOCTL_ULPI_RESET, |
| 702 | IOCTL_SET_BOOT_HEALTH_STATUS, |
| 703 | IOCTL_AFI, |
| 704 | }; |
| 705 | uint8_t i, ioctl_id; |
Venkatesh Yadav Abbarapu | e7c4538 | 2022-05-19 14:49:49 +0530 | [diff] [blame] | 706 | int32_t ret; |
Ronak Jain | 325bad1 | 2021-12-21 01:39:59 -0800 | [diff] [blame] | 707 | |
| 708 | for (i = 0U; i < ARRAY_SIZE(supported_ids); i++) { |
| 709 | ioctl_id = supported_ids[i]; |
| 710 | if (ioctl_id >= 64U) { |
| 711 | return PM_RET_ERROR_NOTSUPPORTED; |
| 712 | } |
| 713 | ret = check_api_dependency(ioctl_id); |
| 714 | if (ret == PM_RET_SUCCESS) { |
HariBabu Gattem | b0c70f5 | 2022-09-29 23:59:11 -0700 | [diff] [blame] | 715 | bit_mask[ioctl_id / 32U] |= BIT(ioctl_id % 32U); |
Ronak Jain | 325bad1 | 2021-12-21 01:39:59 -0800 | [diff] [blame] | 716 | } |
| 717 | } |
| 718 | |
| 719 | return PM_RET_SUCCESS; |
| 720 | } |