Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) Marvell International Ltd. and its affiliates |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 4 | */ |
| 5 | |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 6 | #include "ddr3_init.h" |
Chris Packham | 4bf81db | 2018-12-03 14:26:49 +1300 | [diff] [blame] | 7 | #include "mv_ddr_regs.h" |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 8 | |
| 9 | #define VALIDATE_WIN_LENGTH(e1, e2, maxsize) \ |
| 10 | (((e2) + 1 > (e1) + (u8)MIN_WINDOW_SIZE) && \ |
| 11 | ((e2) + 1 < (e1) + (u8)maxsize)) |
| 12 | #define IS_WINDOW_OUT_BOUNDARY(e1, e2, maxsize) \ |
| 13 | (((e1) == 0 && (e2) != 0) || \ |
| 14 | ((e1) != (maxsize - 1) && (e2) == (maxsize - 1))) |
| 15 | #define CENTRAL_TX 0 |
| 16 | #define CENTRAL_RX 1 |
| 17 | #define NUM_OF_CENTRAL_TYPES 2 |
| 18 | |
| 19 | u32 start_pattern = PATTERN_KILLER_DQ0, end_pattern = PATTERN_KILLER_DQ7; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 20 | |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 21 | u32 start_if = 0, end_if = (MAX_INTERFACE_NUM - 1); |
| 22 | u8 bus_end_window[NUM_OF_CENTRAL_TYPES][MAX_INTERFACE_NUM][MAX_BUS_NUM]; |
| 23 | u8 bus_start_window[NUM_OF_CENTRAL_TYPES][MAX_INTERFACE_NUM][MAX_BUS_NUM]; |
| 24 | u8 centralization_state[MAX_INTERFACE_NUM][MAX_BUS_NUM]; |
| 25 | static u8 ddr3_tip_special_rx_run_once_flag; |
| 26 | |
| 27 | static int ddr3_tip_centralization(u32 dev_num, u32 mode); |
| 28 | |
| 29 | /* |
| 30 | * Centralization RX Flow |
| 31 | */ |
| 32 | int ddr3_tip_centralization_rx(u32 dev_num) |
| 33 | { |
| 34 | CHECK_STATUS(ddr3_tip_special_rx(dev_num)); |
| 35 | CHECK_STATUS(ddr3_tip_centralization(dev_num, CENTRAL_RX)); |
| 36 | |
| 37 | return MV_OK; |
| 38 | } |
| 39 | |
| 40 | /* |
| 41 | * Centralization TX Flow |
| 42 | */ |
| 43 | int ddr3_tip_centralization_tx(u32 dev_num) |
| 44 | { |
| 45 | CHECK_STATUS(ddr3_tip_centralization(dev_num, CENTRAL_TX)); |
| 46 | |
| 47 | return MV_OK; |
| 48 | } |
| 49 | |
| 50 | /* |
| 51 | * Centralization Flow |
| 52 | */ |
| 53 | static int ddr3_tip_centralization(u32 dev_num, u32 mode) |
| 54 | { |
| 55 | enum hws_training_ip_stat training_result[MAX_INTERFACE_NUM]; |
| 56 | u32 if_id, pattern_id, bit_id; |
| 57 | u8 bus_id; |
Marek BehĂșn | 9e2a947 | 2022-01-12 17:06:59 +0100 | [diff] [blame^] | 58 | u8 current_byte_status; |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 59 | u8 cur_start_win[BUS_WIDTH_IN_BITS]; |
| 60 | u8 centralization_result[MAX_INTERFACE_NUM][BUS_WIDTH_IN_BITS]; |
| 61 | u8 cur_end_win[BUS_WIDTH_IN_BITS]; |
| 62 | u8 current_window[BUS_WIDTH_IN_BITS]; |
| 63 | u8 opt_window, waste_window, start_window_skew, end_window_skew; |
| 64 | u8 final_pup_window[MAX_INTERFACE_NUM][BUS_WIDTH_IN_BITS]; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 65 | u32 octets_per_if_num = ddr3_tip_dev_attr_get(dev_num, MV_ATTR_OCTET_PER_INTERFACE); |
| 66 | struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 67 | enum hws_training_result result_type = RESULT_PER_BIT; |
| 68 | enum hws_dir direction; |
| 69 | u32 *result[HWS_SEARCH_DIR_LIMIT]; |
| 70 | u32 reg_phy_off, reg; |
| 71 | u8 max_win_size; |
| 72 | int lock_success = 1; |
| 73 | u8 cur_end_win_min, cur_start_win_max; |
| 74 | u32 cs_enable_reg_val[MAX_INTERFACE_NUM]; |
| 75 | int is_if_fail = 0; |
| 76 | enum hws_result *flow_result = ddr3_tip_get_result_ptr(training_stage); |
| 77 | u32 pup_win_length = 0; |
| 78 | enum hws_search_dir search_dir_id; |
| 79 | u8 cons_tap = (mode == CENTRAL_TX) ? (64) : (0); |
| 80 | |
| 81 | for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 82 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 83 | /* save current cs enable reg val */ |
| 84 | CHECK_STATUS(ddr3_tip_if_read |
| 85 | (dev_num, ACCESS_TYPE_UNICAST, if_id, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 86 | DUAL_DUNIT_CFG_REG, cs_enable_reg_val, MASK_ALL_BITS)); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 87 | /* enable single cs */ |
| 88 | CHECK_STATUS(ddr3_tip_if_write |
| 89 | (dev_num, ACCESS_TYPE_UNICAST, if_id, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 90 | DUAL_DUNIT_CFG_REG, (1 << 3), (1 << 3))); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | if (mode == CENTRAL_TX) { |
| 94 | max_win_size = MAX_WINDOW_SIZE_TX; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 95 | reg_phy_off = CTX_PHY_REG(effective_cs); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 96 | direction = OPER_WRITE; |
| 97 | } else { |
| 98 | max_win_size = MAX_WINDOW_SIZE_RX; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 99 | reg_phy_off = CRX_PHY_REG(effective_cs); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 100 | direction = OPER_READ; |
| 101 | } |
| 102 | |
| 103 | /* DB initialization */ |
| 104 | for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 105 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 106 | for (bus_id = 0; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 107 | bus_id < octets_per_if_num; bus_id++) { |
| 108 | VALIDATE_BUS_ACTIVE(tm->bus_act_mask, bus_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 109 | centralization_state[if_id][bus_id] = 0; |
| 110 | bus_end_window[mode][if_id][bus_id] = |
| 111 | (max_win_size - 1) + cons_tap; |
| 112 | bus_start_window[mode][if_id][bus_id] = 0; |
| 113 | centralization_result[if_id][bus_id] = 0; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | /* start flow */ |
| 118 | for (pattern_id = start_pattern; pattern_id <= end_pattern; |
| 119 | pattern_id++) { |
| 120 | ddr3_tip_ip_training_wrapper(dev_num, ACCESS_TYPE_MULTICAST, |
| 121 | PARAM_NOT_CARE, |
| 122 | ACCESS_TYPE_MULTICAST, |
| 123 | PARAM_NOT_CARE, result_type, |
| 124 | HWS_CONTROL_ELEMENT_ADLL, |
| 125 | PARAM_NOT_CARE, direction, |
| 126 | tm-> |
| 127 | if_act_mask, 0x0, |
| 128 | max_win_size - 1, |
| 129 | max_win_size - 1, |
| 130 | pattern_id, EDGE_FPF, CS_SINGLE, |
| 131 | PARAM_NOT_CARE, training_result); |
| 132 | |
| 133 | for (if_id = start_if; if_id <= end_if; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 134 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 135 | for (bus_id = 0; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 136 | bus_id <= octets_per_if_num - 1; |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 137 | bus_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 138 | VALIDATE_BUS_ACTIVE(tm->bus_act_mask, bus_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 139 | |
| 140 | for (search_dir_id = HWS_LOW2HIGH; |
| 141 | search_dir_id <= HWS_HIGH2LOW; |
| 142 | search_dir_id++) { |
| 143 | CHECK_STATUS |
| 144 | (ddr3_tip_read_training_result |
| 145 | (dev_num, if_id, |
| 146 | ACCESS_TYPE_UNICAST, bus_id, |
| 147 | ALL_BITS_PER_PUP, |
| 148 | search_dir_id, |
| 149 | direction, result_type, |
| 150 | TRAINING_LOAD_OPERATION_UNLOAD, |
| 151 | CS_SINGLE, |
| 152 | &result[search_dir_id], |
| 153 | 1, 0, 0)); |
| 154 | DEBUG_CENTRALIZATION_ENGINE |
| 155 | (DEBUG_LEVEL_INFO, |
| 156 | ("%s pat %d IF %d pup %d Regs: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", |
| 157 | ((mode == |
| 158 | CENTRAL_TX) ? "TX" : "RX"), |
| 159 | pattern_id, if_id, bus_id, |
| 160 | result[search_dir_id][0], |
| 161 | result[search_dir_id][1], |
| 162 | result[search_dir_id][2], |
| 163 | result[search_dir_id][3], |
| 164 | result[search_dir_id][4], |
| 165 | result[search_dir_id][5], |
| 166 | result[search_dir_id][6], |
| 167 | result[search_dir_id][7])); |
| 168 | } |
| 169 | |
Marek BehĂșn | 9e2a947 | 2022-01-12 17:06:59 +0100 | [diff] [blame^] | 170 | current_byte_status = |
| 171 | mv_ddr_tip_sub_phy_byte_status_get(if_id, |
| 172 | bus_id); |
| 173 | |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 174 | for (bit_id = 0; bit_id < BUS_WIDTH_IN_BITS; |
| 175 | bit_id++) { |
| 176 | /* check if this code is valid for 2 edge, probably not :( */ |
| 177 | cur_start_win[bit_id] = |
| 178 | GET_TAP_RESULT(result |
| 179 | [HWS_LOW2HIGH] |
| 180 | [bit_id], |
| 181 | EDGE_1); |
Marek BehĂșn | 9e2a947 | 2022-01-12 17:06:59 +0100 | [diff] [blame^] | 182 | if (current_byte_status & |
| 183 | BYTE_SPLIT_OUT_MIX) { |
| 184 | if (cur_start_win[bit_id] >= 64) |
| 185 | cur_start_win[bit_id] -= 64; |
| 186 | else |
| 187 | cur_start_win[bit_id] = 0; |
| 188 | DEBUG_CENTRALIZATION_ENGINE |
| 189 | (DEBUG_LEVEL_INFO, |
| 190 | ("pattern %d IF %d pup %d bit %d subtract 64 adll from start\n", |
| 191 | pattern_id, if_id, bus_id, bit_id)); |
| 192 | } |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 193 | cur_end_win[bit_id] = |
| 194 | GET_TAP_RESULT(result |
| 195 | [HWS_HIGH2LOW] |
| 196 | [bit_id], |
| 197 | EDGE_1); |
Marek BehĂșn | 9e2a947 | 2022-01-12 17:06:59 +0100 | [diff] [blame^] | 198 | if (cur_end_win[bit_id] >= 64 && |
| 199 | (current_byte_status & |
| 200 | BYTE_SPLIT_OUT_MIX)) { |
| 201 | cur_end_win[bit_id] -= 64; |
| 202 | DEBUG_CENTRALIZATION_ENGINE |
| 203 | (DEBUG_LEVEL_INFO, |
| 204 | ("pattern %d IF %d pup %d bit %d subtract 64 adll from end\n", |
| 205 | pattern_id, if_id, bus_id, bit_id)); |
| 206 | } |
| 207 | |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 208 | /* window length */ |
| 209 | current_window[bit_id] = |
| 210 | cur_end_win[bit_id] - |
| 211 | cur_start_win[bit_id] + 1; |
| 212 | DEBUG_CENTRALIZATION_ENGINE |
| 213 | (DEBUG_LEVEL_TRACE, |
| 214 | ("cs %x patern %d IF %d pup %d cur_start_win %d cur_end_win %d current_window %d\n", |
| 215 | effective_cs, pattern_id, |
| 216 | if_id, bus_id, |
| 217 | cur_start_win[bit_id], |
| 218 | cur_end_win[bit_id], |
| 219 | current_window[bit_id])); |
| 220 | } |
| 221 | |
| 222 | if ((ddr3_tip_is_pup_lock |
| 223 | (result[HWS_LOW2HIGH], result_type)) && |
| 224 | (ddr3_tip_is_pup_lock |
| 225 | (result[HWS_HIGH2LOW], result_type))) { |
| 226 | /* read result success */ |
| 227 | DEBUG_CENTRALIZATION_ENGINE |
| 228 | (DEBUG_LEVEL_INFO, |
| 229 | ("Pup locked, pat %d IF %d pup %d\n", |
| 230 | pattern_id, if_id, bus_id)); |
| 231 | } else { |
| 232 | /* read result failure */ |
| 233 | DEBUG_CENTRALIZATION_ENGINE |
| 234 | (DEBUG_LEVEL_INFO, |
| 235 | ("fail Lock, pat %d IF %d pup %d\n", |
| 236 | pattern_id, if_id, bus_id)); |
| 237 | if (centralization_state[if_id][bus_id] |
| 238 | == 1) { |
| 239 | /* continue with next pup */ |
| 240 | DEBUG_CENTRALIZATION_ENGINE |
| 241 | (DEBUG_LEVEL_TRACE, |
| 242 | ("continue to next pup %d %d\n", |
| 243 | if_id, bus_id)); |
| 244 | continue; |
| 245 | } |
| 246 | |
| 247 | for (bit_id = 0; |
| 248 | bit_id < BUS_WIDTH_IN_BITS; |
| 249 | bit_id++) { |
| 250 | /* |
| 251 | * the next check is relevant |
| 252 | * only when using search |
| 253 | * machine 2 edges |
| 254 | */ |
| 255 | if (cur_start_win[bit_id] > 0 && |
| 256 | cur_end_win[bit_id] == 0) { |
| 257 | cur_end_win |
| 258 | [bit_id] = |
| 259 | max_win_size - 1; |
| 260 | DEBUG_CENTRALIZATION_ENGINE |
| 261 | (DEBUG_LEVEL_TRACE, |
| 262 | ("fail, IF %d pup %d bit %d fail #1\n", |
| 263 | if_id, bus_id, |
| 264 | bit_id)); |
| 265 | /* the next bit */ |
| 266 | continue; |
| 267 | } else { |
| 268 | centralization_state |
| 269 | [if_id][bus_id] = 1; |
| 270 | DEBUG_CENTRALIZATION_ENGINE |
| 271 | (DEBUG_LEVEL_TRACE, |
| 272 | ("fail, IF %d pup %d bit %d fail #2\n", |
| 273 | if_id, bus_id, |
| 274 | bit_id)); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (centralization_state[if_id][bus_id] |
| 279 | == 1) { |
| 280 | /* going to next pup */ |
| 281 | continue; |
| 282 | } |
| 283 | } /*bit */ |
| 284 | |
| 285 | opt_window = |
| 286 | ddr3_tip_get_buf_min(current_window); |
| 287 | /* final pup window length */ |
| 288 | final_pup_window[if_id][bus_id] = |
| 289 | ddr3_tip_get_buf_min(cur_end_win) - |
| 290 | ddr3_tip_get_buf_max(cur_start_win) + |
| 291 | 1; |
| 292 | waste_window = |
| 293 | opt_window - |
| 294 | final_pup_window[if_id][bus_id]; |
| 295 | start_window_skew = |
| 296 | ddr3_tip_get_buf_max(cur_start_win) - |
| 297 | ddr3_tip_get_buf_min( |
| 298 | cur_start_win); |
| 299 | end_window_skew = |
| 300 | ddr3_tip_get_buf_max( |
| 301 | cur_end_win) - |
| 302 | ddr3_tip_get_buf_min( |
| 303 | cur_end_win); |
| 304 | /* min/max updated with pattern change */ |
| 305 | cur_end_win_min = |
| 306 | ddr3_tip_get_buf_min( |
| 307 | cur_end_win); |
| 308 | cur_start_win_max = |
| 309 | ddr3_tip_get_buf_max( |
| 310 | cur_start_win); |
| 311 | bus_end_window[mode][if_id][bus_id] = |
| 312 | GET_MIN(bus_end_window[mode][if_id] |
| 313 | [bus_id], |
| 314 | cur_end_win_min); |
| 315 | bus_start_window[mode][if_id][bus_id] = |
| 316 | GET_MAX(bus_start_window[mode][if_id] |
| 317 | [bus_id], |
| 318 | cur_start_win_max); |
| 319 | DEBUG_CENTRALIZATION_ENGINE( |
| 320 | DEBUG_LEVEL_INFO, |
| 321 | ("pat %d IF %d pup %d opt_win %d final_win %d waste_win %d st_win_skew %d end_win_skew %d cur_st_win_max %d cur_end_win_min %d bus_st_win %d bus_end_win %d\n", |
| 322 | pattern_id, if_id, bus_id, opt_window, |
| 323 | final_pup_window[if_id][bus_id], |
| 324 | waste_window, start_window_skew, |
| 325 | end_window_skew, |
| 326 | cur_start_win_max, |
| 327 | cur_end_win_min, |
| 328 | bus_start_window[mode][if_id][bus_id], |
| 329 | bus_end_window[mode][if_id][bus_id])); |
| 330 | |
| 331 | /* check if window is valid */ |
| 332 | if (ddr3_tip_centr_skip_min_win_check == 0) { |
| 333 | if ((VALIDATE_WIN_LENGTH |
| 334 | (bus_start_window[mode][if_id] |
| 335 | [bus_id], |
| 336 | bus_end_window[mode][if_id] |
| 337 | [bus_id], |
| 338 | max_win_size) == 1) || |
| 339 | (IS_WINDOW_OUT_BOUNDARY |
| 340 | (bus_start_window[mode][if_id] |
| 341 | [bus_id], |
| 342 | bus_end_window[mode][if_id] |
| 343 | [bus_id], |
| 344 | max_win_size) == 1)) { |
| 345 | DEBUG_CENTRALIZATION_ENGINE |
| 346 | (DEBUG_LEVEL_INFO, |
| 347 | ("win valid, pat %d IF %d pup %d\n", |
| 348 | pattern_id, if_id, |
| 349 | bus_id)); |
| 350 | /* window is valid */ |
| 351 | } else { |
| 352 | DEBUG_CENTRALIZATION_ENGINE |
| 353 | (DEBUG_LEVEL_INFO, |
| 354 | ("fail win, pat %d IF %d pup %d bus_st_win %d bus_end_win %d\n", |
| 355 | pattern_id, if_id, bus_id, |
| 356 | bus_start_window[mode] |
| 357 | [if_id][bus_id], |
| 358 | bus_end_window[mode] |
| 359 | [if_id][bus_id])); |
| 360 | centralization_state[if_id] |
| 361 | [bus_id] = 1; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 362 | if (debug_mode == 0) { |
| 363 | flow_result[if_id] = TEST_FAILED; |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 364 | return MV_FAIL; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 365 | } |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 366 | } |
| 367 | } /* ddr3_tip_centr_skip_min_win_check */ |
| 368 | } /* pup */ |
| 369 | } /* interface */ |
| 370 | } /* pattern */ |
| 371 | |
| 372 | for (if_id = start_if; if_id <= end_if; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 373 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 374 | |
| 375 | is_if_fail = 0; |
| 376 | flow_result[if_id] = TEST_SUCCESS; |
| 377 | |
| 378 | for (bus_id = 0; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 379 | bus_id <= (octets_per_if_num - 1); bus_id++) { |
| 380 | VALIDATE_BUS_ACTIVE(tm->bus_act_mask, bus_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 381 | |
| 382 | /* continue only if lock */ |
| 383 | if (centralization_state[if_id][bus_id] != 1) { |
| 384 | if (ddr3_tip_centr_skip_min_win_check == 0) { |
| 385 | if ((bus_end_window |
| 386 | [mode][if_id][bus_id] == |
| 387 | (max_win_size - 1)) && |
| 388 | ((bus_end_window |
| 389 | [mode][if_id][bus_id] - |
| 390 | bus_start_window[mode][if_id] |
| 391 | [bus_id]) < MIN_WINDOW_SIZE) && |
| 392 | ((bus_end_window[mode][if_id] |
| 393 | [bus_id] - bus_start_window |
| 394 | [mode][if_id][bus_id]) > 2)) { |
| 395 | /* prevent false lock */ |
| 396 | /* TBD change to enum */ |
| 397 | centralization_state |
| 398 | [if_id][bus_id] = 2; |
| 399 | } |
| 400 | |
| 401 | if ((bus_end_window[mode][if_id][bus_id] |
| 402 | == 0) && |
| 403 | ((bus_end_window[mode][if_id] |
| 404 | [bus_id] - |
| 405 | bus_start_window[mode][if_id] |
| 406 | [bus_id]) < MIN_WINDOW_SIZE) && |
| 407 | ((bus_end_window[mode][if_id] |
| 408 | [bus_id] - |
| 409 | bus_start_window[mode][if_id] |
| 410 | [bus_id]) > 2)) |
| 411 | /*prevent false lock */ |
| 412 | centralization_state[if_id] |
| 413 | [bus_id] = 3; |
| 414 | } |
| 415 | |
| 416 | if ((bus_end_window[mode][if_id][bus_id] > |
| 417 | (max_win_size - 1)) && direction == |
| 418 | OPER_WRITE) { |
| 419 | DEBUG_CENTRALIZATION_ENGINE |
| 420 | (DEBUG_LEVEL_INFO, |
| 421 | ("Tx special pattern\n")); |
| 422 | cons_tap = 64; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | /* check states */ |
| 427 | if (centralization_state[if_id][bus_id] == 3) { |
| 428 | DEBUG_CENTRALIZATION_ENGINE( |
| 429 | DEBUG_LEVEL_INFO, |
| 430 | ("SSW - TBD IF %d pup %d\n", |
| 431 | if_id, bus_id)); |
| 432 | lock_success = 1; |
| 433 | } else if (centralization_state[if_id][bus_id] == 2) { |
| 434 | DEBUG_CENTRALIZATION_ENGINE( |
| 435 | DEBUG_LEVEL_INFO, |
| 436 | ("SEW - TBD IF %d pup %d\n", |
| 437 | if_id, bus_id)); |
| 438 | lock_success = 1; |
| 439 | } else if (centralization_state[if_id][bus_id] == 0) { |
| 440 | lock_success = 1; |
| 441 | } else { |
| 442 | DEBUG_CENTRALIZATION_ENGINE( |
| 443 | DEBUG_LEVEL_ERROR, |
| 444 | ("fail, IF %d pup %d\n", |
| 445 | if_id, bus_id)); |
| 446 | lock_success = 0; |
| 447 | } |
| 448 | |
| 449 | if (lock_success == 1) { |
| 450 | centralization_result[if_id][bus_id] = |
| 451 | (bus_end_window[mode][if_id][bus_id] + |
| 452 | bus_start_window[mode][if_id][bus_id]) |
| 453 | / 2 - cons_tap; |
| 454 | DEBUG_CENTRALIZATION_ENGINE( |
| 455 | DEBUG_LEVEL_TRACE, |
| 456 | (" bus_id %d Res= %d\n", bus_id, |
| 457 | centralization_result[if_id][bus_id])); |
| 458 | /* copy results to registers */ |
| 459 | pup_win_length = |
| 460 | bus_end_window[mode][if_id][bus_id] - |
| 461 | bus_start_window[mode][if_id][bus_id] + |
| 462 | 1; |
| 463 | |
| 464 | ddr3_tip_bus_read(dev_num, if_id, |
| 465 | ACCESS_TYPE_UNICAST, bus_id, |
| 466 | DDR_PHY_DATA, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 467 | RESULT_PHY_REG + |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 468 | effective_cs, ®); |
| 469 | reg = (reg & (~0x1f << |
| 470 | ((mode == CENTRAL_TX) ? |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 471 | (RESULT_PHY_TX_OFFS) : |
| 472 | (RESULT_PHY_RX_OFFS)))) |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 473 | | pup_win_length << |
| 474 | ((mode == CENTRAL_TX) ? |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 475 | (RESULT_PHY_TX_OFFS) : |
| 476 | (RESULT_PHY_RX_OFFS)); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 477 | CHECK_STATUS(ddr3_tip_bus_write |
| 478 | (dev_num, ACCESS_TYPE_UNICAST, |
| 479 | if_id, ACCESS_TYPE_UNICAST, |
| 480 | bus_id, DDR_PHY_DATA, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 481 | RESULT_PHY_REG + |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 482 | effective_cs, reg)); |
| 483 | |
| 484 | /* offset per CS is calculated earlier */ |
| 485 | CHECK_STATUS( |
| 486 | ddr3_tip_bus_write(dev_num, |
| 487 | ACCESS_TYPE_UNICAST, |
| 488 | if_id, |
| 489 | ACCESS_TYPE_UNICAST, |
| 490 | bus_id, |
| 491 | DDR_PHY_DATA, |
| 492 | reg_phy_off, |
| 493 | centralization_result |
| 494 | [if_id] |
| 495 | [bus_id])); |
| 496 | } else { |
| 497 | is_if_fail = 1; |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | if (is_if_fail == 1) |
| 502 | flow_result[if_id] = TEST_FAILED; |
| 503 | } |
| 504 | |
| 505 | for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) { |
| 506 | /* restore cs enable value */ |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 507 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 508 | CHECK_STATUS(ddr3_tip_if_write(dev_num, ACCESS_TYPE_UNICAST, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 509 | if_id, DUAL_DUNIT_CFG_REG, |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 510 | cs_enable_reg_val[if_id], |
| 511 | MASK_ALL_BITS)); |
| 512 | } |
| 513 | |
| 514 | return is_if_fail; |
| 515 | } |
| 516 | |
| 517 | /* |
| 518 | * Centralization Flow |
| 519 | */ |
| 520 | int ddr3_tip_special_rx(u32 dev_num) |
| 521 | { |
| 522 | enum hws_training_ip_stat training_result[MAX_INTERFACE_NUM]; |
| 523 | u32 if_id, pup_id, pattern_id, bit_id; |
| 524 | u8 cur_start_win[BUS_WIDTH_IN_BITS]; |
| 525 | u8 cur_end_win[BUS_WIDTH_IN_BITS]; |
| 526 | enum hws_training_result result_type = RESULT_PER_BIT; |
| 527 | enum hws_dir direction; |
| 528 | enum hws_search_dir search_dir_id; |
| 529 | u32 *result[HWS_SEARCH_DIR_LIMIT]; |
| 530 | u32 max_win_size; |
| 531 | u8 cur_end_win_min, cur_start_win_max; |
| 532 | u32 cs_enable_reg_val[MAX_INTERFACE_NUM]; |
| 533 | u32 temp = 0; |
| 534 | int pad_num = 0; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 535 | u32 octets_per_if_num = ddr3_tip_dev_attr_get(dev_num, MV_ATTR_OCTET_PER_INTERFACE); |
| 536 | struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 537 | |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 538 | if ((ddr3_tip_special_rx_run_once_flag & (1 << effective_cs)) == (1 << effective_cs)) |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 539 | return MV_OK; |
| 540 | |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 541 | ddr3_tip_special_rx_run_once_flag |= (1 << effective_cs); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 542 | |
| 543 | for (if_id = 0; if_id < MAX_INTERFACE_NUM; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 544 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 545 | /* save current cs enable reg val */ |
| 546 | CHECK_STATUS(ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 547 | if_id, DUAL_DUNIT_CFG_REG, |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 548 | cs_enable_reg_val, |
| 549 | MASK_ALL_BITS)); |
| 550 | /* enable single cs */ |
| 551 | CHECK_STATUS(ddr3_tip_if_write(dev_num, ACCESS_TYPE_UNICAST, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 552 | if_id, DUAL_DUNIT_CFG_REG, |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 553 | (1 << 3), (1 << 3))); |
| 554 | } |
| 555 | |
| 556 | max_win_size = MAX_WINDOW_SIZE_RX; |
| 557 | direction = OPER_READ; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 558 | pattern_id = PATTERN_FULL_SSO1; |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 559 | |
| 560 | /* start flow */ |
| 561 | ddr3_tip_ip_training_wrapper(dev_num, ACCESS_TYPE_MULTICAST, |
| 562 | PARAM_NOT_CARE, ACCESS_TYPE_MULTICAST, |
| 563 | PARAM_NOT_CARE, result_type, |
| 564 | HWS_CONTROL_ELEMENT_ADLL, |
| 565 | PARAM_NOT_CARE, direction, |
| 566 | tm->if_act_mask, 0x0, |
| 567 | max_win_size - 1, max_win_size - 1, |
| 568 | pattern_id, EDGE_FPF, CS_SINGLE, |
| 569 | PARAM_NOT_CARE, training_result); |
| 570 | |
| 571 | for (if_id = start_if; if_id <= end_if; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 572 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 573 | for (pup_id = 0; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 574 | pup_id <= octets_per_if_num; pup_id++) { |
| 575 | VALIDATE_BUS_ACTIVE(tm->bus_act_mask, pup_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 576 | |
| 577 | for (search_dir_id = HWS_LOW2HIGH; |
| 578 | search_dir_id <= HWS_HIGH2LOW; |
| 579 | search_dir_id++) { |
| 580 | CHECK_STATUS(ddr3_tip_read_training_result |
| 581 | (dev_num, if_id, |
| 582 | ACCESS_TYPE_UNICAST, pup_id, |
| 583 | ALL_BITS_PER_PUP, search_dir_id, |
| 584 | direction, result_type, |
| 585 | TRAINING_LOAD_OPERATION_UNLOAD, |
| 586 | CS_SINGLE, &result[search_dir_id], |
| 587 | 1, 0, 0)); |
| 588 | DEBUG_CENTRALIZATION_ENGINE(DEBUG_LEVEL_INFO, |
| 589 | ("Special: pat %d IF %d pup %d Regs: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", |
| 590 | pattern_id, if_id, |
| 591 | pup_id, |
| 592 | result |
| 593 | [search_dir_id][0], |
| 594 | result |
| 595 | [search_dir_id][1], |
| 596 | result |
| 597 | [search_dir_id][2], |
| 598 | result |
| 599 | [search_dir_id][3], |
| 600 | result |
| 601 | [search_dir_id][4], |
| 602 | result |
| 603 | [search_dir_id][5], |
| 604 | result |
| 605 | [search_dir_id][6], |
| 606 | result |
| 607 | [search_dir_id] |
| 608 | [7])); |
| 609 | } |
| 610 | |
| 611 | for (bit_id = 0; bit_id < BUS_WIDTH_IN_BITS; bit_id++) { |
| 612 | /* |
| 613 | * check if this code is valid for 2 edge, |
| 614 | * probably not :( |
| 615 | */ |
| 616 | cur_start_win[bit_id] = |
| 617 | GET_TAP_RESULT(result[HWS_LOW2HIGH] |
| 618 | [bit_id], EDGE_1); |
| 619 | cur_end_win[bit_id] = |
| 620 | GET_TAP_RESULT(result[HWS_HIGH2LOW] |
| 621 | [bit_id], EDGE_1); |
| 622 | } |
| 623 | if (!((ddr3_tip_is_pup_lock |
| 624 | (result[HWS_LOW2HIGH], result_type)) && |
| 625 | (ddr3_tip_is_pup_lock |
| 626 | (result[HWS_HIGH2LOW], result_type)))) { |
| 627 | DEBUG_CENTRALIZATION_ENGINE( |
| 628 | DEBUG_LEVEL_ERROR, |
| 629 | ("Special: Pup lock fail, pat %d IF %d pup %d\n", |
| 630 | pattern_id, if_id, pup_id)); |
| 631 | return MV_FAIL; |
| 632 | } |
| 633 | |
| 634 | cur_end_win_min = |
| 635 | ddr3_tip_get_buf_min(cur_end_win); |
| 636 | cur_start_win_max = |
| 637 | ddr3_tip_get_buf_max(cur_start_win); |
| 638 | |
| 639 | if (cur_start_win_max <= 1) { /* Align left */ |
| 640 | for (bit_id = 0; bit_id < BUS_WIDTH_IN_BITS; |
| 641 | bit_id++) { |
| 642 | pad_num = |
| 643 | dq_map_table[bit_id + |
| 644 | pup_id * |
| 645 | BUS_WIDTH_IN_BITS + |
| 646 | if_id * |
| 647 | BUS_WIDTH_IN_BITS * |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 648 | MAX_BUS_NUM]; |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 649 | CHECK_STATUS(ddr3_tip_bus_read |
| 650 | (dev_num, if_id, |
| 651 | ACCESS_TYPE_UNICAST, |
| 652 | pup_id, DDR_PHY_DATA, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 653 | PBS_RX_PHY_REG(effective_cs, pad_num), |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 654 | &temp)); |
| 655 | temp = (temp + 0xa > 31) ? |
| 656 | (31) : (temp + 0xa); |
| 657 | CHECK_STATUS(ddr3_tip_bus_write |
| 658 | (dev_num, |
| 659 | ACCESS_TYPE_UNICAST, |
| 660 | if_id, |
| 661 | ACCESS_TYPE_UNICAST, |
| 662 | pup_id, DDR_PHY_DATA, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 663 | PBS_RX_PHY_REG(effective_cs, pad_num), |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 664 | temp)); |
| 665 | } |
| 666 | DEBUG_CENTRALIZATION_ENGINE( |
| 667 | DEBUG_LEVEL_INFO, |
| 668 | ("Special: PBS:: I/F# %d , Bus# %d fix align to the Left\n", |
| 669 | if_id, pup_id)); |
| 670 | } |
| 671 | |
| 672 | if (cur_end_win_min > 30) { /* Align right */ |
| 673 | CHECK_STATUS(ddr3_tip_bus_read |
| 674 | (dev_num, if_id, |
| 675 | ACCESS_TYPE_UNICAST, pup_id, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 676 | DDR_PHY_DATA, |
| 677 | PBS_RX_PHY_REG(effective_cs, 4), |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 678 | &temp)); |
| 679 | temp += 0xa; |
| 680 | CHECK_STATUS(ddr3_tip_bus_write |
| 681 | (dev_num, ACCESS_TYPE_UNICAST, |
| 682 | if_id, ACCESS_TYPE_UNICAST, |
| 683 | pup_id, DDR_PHY_DATA, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 684 | PBS_RX_PHY_REG(effective_cs, 4), |
| 685 | temp)); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 686 | CHECK_STATUS(ddr3_tip_bus_read |
| 687 | (dev_num, if_id, |
| 688 | ACCESS_TYPE_UNICAST, pup_id, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 689 | DDR_PHY_DATA, |
| 690 | PBS_RX_PHY_REG(effective_cs, 5), |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 691 | &temp)); |
| 692 | temp += 0xa; |
| 693 | CHECK_STATUS(ddr3_tip_bus_write |
| 694 | (dev_num, ACCESS_TYPE_UNICAST, |
| 695 | if_id, ACCESS_TYPE_UNICAST, |
| 696 | pup_id, DDR_PHY_DATA, |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 697 | PBS_RX_PHY_REG(effective_cs, 5), |
| 698 | temp)); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 699 | DEBUG_CENTRALIZATION_ENGINE( |
| 700 | DEBUG_LEVEL_INFO, |
| 701 | ("Special: PBS:: I/F# %d , Bus# %d fix align to the right\n", |
| 702 | if_id, pup_id)); |
| 703 | } |
| 704 | |
| 705 | vref_window_size[if_id][pup_id] = |
| 706 | cur_end_win_min - |
| 707 | cur_start_win_max + 1; |
| 708 | DEBUG_CENTRALIZATION_ENGINE( |
| 709 | DEBUG_LEVEL_INFO, |
| 710 | ("Special: Winsize I/F# %d , Bus# %d is %d\n", |
| 711 | if_id, pup_id, vref_window_size |
| 712 | [if_id][pup_id])); |
| 713 | } /* pup */ |
| 714 | } /* end of interface */ |
| 715 | |
| 716 | return MV_OK; |
| 717 | } |
| 718 | |
| 719 | /* |
| 720 | * Print Centralization Result |
| 721 | */ |
| 722 | int ddr3_tip_print_centralization_result(u32 dev_num) |
| 723 | { |
| 724 | u32 if_id = 0, bus_id = 0; |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 725 | u32 octets_per_if_num = ddr3_tip_dev_attr_get(dev_num, MV_ATTR_OCTET_PER_INTERFACE); |
| 726 | struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get(); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 727 | |
Chris Packham | 4bf81db | 2018-12-03 14:26:49 +1300 | [diff] [blame] | 728 | dev_num = dev_num; |
| 729 | |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 730 | printf("Centralization Results\n"); |
| 731 | printf("I/F0 Result[0 - success 1-fail 2 - state_2 3 - state_3] ...\n"); |
| 732 | for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 733 | VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); |
| 734 | for (bus_id = 0; bus_id < octets_per_if_num; |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 735 | bus_id++) { |
Chris Packham | 1a07d21 | 2018-05-10 13:28:29 +1200 | [diff] [blame] | 736 | VALIDATE_BUS_ACTIVE(tm->bus_act_mask, bus_id); |
Stefan Roese | 5ffceb8 | 2015-03-26 15:36:56 +0100 | [diff] [blame] | 737 | printf("%d ,\n", centralization_state[if_id][bus_id]); |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | return MV_OK; |
| 742 | } |