1 /* 2 * MPC85xx Internal Memory Map 3 * 4 * Copyright 2010-2011 Freescale Semiconductor, Inc. 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef __FSL_FMAN_H__ 10 #define __FSL_FMAN_H__ 11 12 #include <asm/types.h> 13 14 typedef struct fm_bmi_common { 15 u32 fmbm_init; /* BMI initialization */ 16 u32 fmbm_cfg1; /* BMI configuration1 */ 17 u32 fmbm_cfg2; /* BMI configuration2 */ 18 u32 res0[0x5]; 19 u32 fmbm_ievr; /* interrupt event register */ 20 u32 fmbm_ier; /* interrupt enable register */ 21 u32 fmbm_ifr; /* interrupt force register */ 22 u32 res1[0x5]; 23 u32 fmbm_arb[0x8]; /* BMI arbitration */ 24 u32 res2[0x28]; 25 u32 fmbm_gde; /* global debug enable */ 26 u32 fmbm_pp[0x3f]; /* BMI port parameters */ 27 u32 res3; 28 u32 fmbm_pfs[0x3f]; /* BMI port FIFO size */ 29 u32 res4; 30 u32 fmbm_ppid[0x3f];/* port partition ID */ 31 } fm_bmi_common_t; 32 33 typedef struct fm_qmi_common { 34 u32 fmqm_gc; /* general configuration register */ 35 u32 res0; 36 u32 fmqm_eie; /* error interrupt event register */ 37 u32 fmqm_eien; /* error interrupt enable register */ 38 u32 fmqm_eif; /* error interrupt force register */ 39 u32 fmqm_ie; /* interrupt event register */ 40 u32 fmqm_ien; /* interrupt enable register */ 41 u32 fmqm_if; /* interrupt force register */ 42 u32 fmqm_gs; /* global status register */ 43 u32 fmqm_ts; /* task status register */ 44 u32 fmqm_etfc; /* enqueue total frame counter */ 45 u32 fmqm_dtfc; /* dequeue total frame counter */ 46 u32 fmqm_dc0; /* dequeue counter 0 */ 47 u32 fmqm_dc1; /* dequeue counter 1 */ 48 u32 fmqm_dc2; /* dequeue counter 2 */ 49 u32 fmqm_dc3; /* dequeue counter 3 */ 50 u32 fmqm_dfnoc; /* dequeue FQID not override counter */ 51 u32 fmqm_dfcc; /* dequeue FQID from context counter */ 52 u32 fmqm_dffc; /* dequeue FQID from FD counter */ 53 u32 fmqm_dcc; /* dequeue confirm counter */ 54 u32 res1[0xc]; 55 u32 fmqm_dtrc; /* debug trap configuration register */ 56 u32 fmqm_efddd; /* enqueue frame descriptor dynamic debug */ 57 u32 res3[0x2]; 58 u32 res4[0xdc]; /* missing debug regs */ 59 } fm_qmi_common_t; 60 61 typedef struct fm_bmi { 62 u8 res[1024]; 63 } fm_bmi_t; 64 65 typedef struct fm_qmi { 66 u8 res[1024]; 67 } fm_qmi_t; 68 69 struct fm_bmi_rx_port { 70 u32 fmbm_rcfg; /* Rx configuration */ 71 u32 fmbm_rst; /* Rx status */ 72 u32 fmbm_rda; /* Rx DMA attributes */ 73 u32 fmbm_rfp; /* Rx FIFO parameters */ 74 u32 fmbm_rfed; /* Rx frame end data */ 75 u32 fmbm_ricp; /* Rx internal context parameters */ 76 u32 fmbm_rim; /* Rx internal margins */ 77 u32 fmbm_rebm; /* Rx external buffer margins */ 78 u32 fmbm_rfne; /* Rx frame next engine */ 79 u32 fmbm_rfca; /* Rx frame command attributes */ 80 u32 fmbm_rfpne; /* Rx frame parser next engine */ 81 u32 fmbm_rpso; /* Rx parse start offset */ 82 u32 fmbm_rpp; /* Rx policer profile */ 83 u32 fmbm_rccb; /* Rx coarse classification base */ 84 u32 res1[0x2]; 85 u32 fmbm_rprai[0x8]; /* Rx parse results array Initialization */ 86 u32 fmbm_rfqid; /* Rx frame queue ID */ 87 u32 fmbm_refqid; /* Rx error frame queue ID */ 88 u32 fmbm_rfsdm; /* Rx frame status discard mask */ 89 u32 fmbm_rfsem; /* Rx frame status error mask */ 90 u32 fmbm_rfene; /* Rx frame enqueue next engine */ 91 u32 res2[0x23]; 92 u32 fmbm_ebmpi[0x8]; /* buffer manager pool information */ 93 u32 fmbm_acnt[0x8]; /* allocate counter */ 94 u32 res3[0x8]; 95 u32 fmbm_cgm[0x8]; /* congestion group map */ 96 u32 fmbm_mpd; /* BMan pool depletion */ 97 u32 res4[0x1F]; 98 u32 fmbm_rstc; /* Rx statistics counters */ 99 u32 fmbm_rfrc; /* Rx frame counters */ 100 u32 fmbm_rfbc; /* Rx bad frames counter */ 101 u32 fmbm_rlfc; /* Rx large frames counter */ 102 u32 fmbm_rffc; /* Rx filter frames counter */ 103 u32 fmbm_rfdc; /* Rx frame discard counter */ 104 u32 fmbm_rfldec; /* Rx frames list DMA error counter */ 105 u32 fmbm_rodc; /* Rx out of buffers discard counter */ 106 u32 fmbm_rbdc; /* Rx buffers deallocate counter */ 107 u32 res5[0x17]; 108 u32 fmbm_rpc; /* Rx performance counters */ 109 u32 fmbm_rpcp; /* Rx performance count parameters */ 110 u32 fmbm_rccn; /* Rx cycle counter */ 111 u32 fmbm_rtuc; /* Rx tasks utilization counter */ 112 u32 fmbm_rrquc; /* Rx receive queue utilization counter */ 113 u32 fmbm_rduc; /* Rx DMA utilization counter */ 114 u32 fmbm_rfuc; /* Rx FIFO utilization counter */ 115 u32 fmbm_rpac; /* Rx pause activation counter */ 116 u32 res6[0x18]; 117 u32 fmbm_rdbg; /* Rx debug configuration */ 118 }; 119 120 /* FMBM_RCFG - Rx configuration */ 121 #define FMBM_RCFG_EN 0x80000000 /* port is enabled to receive data */ 122 #define FMBM_RCFG_FDOVR 0x02000000 /* frame discard override */ 123 #define FMBM_RCFG_IM 0x01000000 /* independent mode */ 124 125 /* FMBM_RST - Rx status */ 126 #define FMBM_RST_BSY 0x80000000 /* Rx port is busy */ 127 128 /* FMBM_RFCA - Rx frame command attributes */ 129 #define FMBM_RFCA_ORDER 0x80000000 130 #define FMBM_RFCA_MR_MASK 0x003f0000 131 #define FMBM_RFCA_MR(x) ((x << 16) & FMBM_RFCA_MR_MASK) 132 133 /* FMBM_RSTC - Rx statistics */ 134 #define FMBM_RSTC_EN 0x80000000 /* statistics counters enable */ 135 136 struct fm_bmi_tx_port { 137 u32 fmbm_tcfg; /* Tx configuration */ 138 u32 fmbm_tst; /* Tx status */ 139 u32 fmbm_tda; /* Tx DMA attributes */ 140 u32 fmbm_tfp; /* Tx FIFO parameters */ 141 u32 fmbm_tfed; /* Tx frame end data */ 142 u32 fmbm_ticp; /* Tx internal context parameters */ 143 u32 fmbm_tfne; /* Tx frame next engine */ 144 u32 fmbm_tfca; /* Tx frame command attributes */ 145 u32 fmbm_tcfqid;/* Tx confirmation frame queue ID */ 146 u32 fmbm_tfeqid;/* Tx error frame queue ID */ 147 u32 fmbm_tfene; /* Tx frame enqueue next engine */ 148 u32 fmbm_trlmts;/* Tx rate limiter scale */ 149 u32 fmbm_trlmt; /* Tx rate limiter */ 150 u32 res0[0x73]; 151 u32 fmbm_tstc; /* Tx statistics counters */ 152 u32 fmbm_tfrc; /* Tx frame counter */ 153 u32 fmbm_tfdc; /* Tx frames discard counter */ 154 u32 fmbm_tfledc;/* Tx frame length error discard counter */ 155 u32 fmbm_tfufdc;/* Tx frame unsupported format discard counter */ 156 u32 fmbm_tbdc; /* Tx buffers deallocate counter */ 157 u32 res1[0x1a]; 158 u32 fmbm_tpc; /* Tx performance counters */ 159 u32 fmbm_tpcp; /* Tx performance count parameters */ 160 u32 fmbm_tccn; /* Tx cycle counter */ 161 u32 fmbm_ttuc; /* Tx tasks utilization counter */ 162 u32 fmbm_ttcquc;/* Tx transmit confirm queue utilization counter */ 163 u32 fmbm_tduc; /* Tx DMA utilization counter */ 164 u32 fmbm_tfuc; /* Tx FIFO utilization counter */ 165 u32 res2[0x19]; 166 u32 fmbm_tdcfg; /* Tx debug configuration */ 167 }; 168 169 /* FMBM_TCFG - Tx configuration */ 170 #define FMBM_TCFG_EN 0x80000000 /* port is enabled to transmit data */ 171 #define FMBM_TCFG_IM 0x01000000 /* independent mode enable */ 172 173 /* FMBM_TST - Tx status */ 174 #define FMBM_TST_BSY 0x80000000 /* Tx port is busy */ 175 176 /* FMBM_TFCA - Tx frame command attributes */ 177 #define FMBM_TFCA_ORDER 0x80000000 178 #define FMBM_TFCA_MR_MASK 0x003f0000 179 #define FMBM_TFCA_MR(x) ((x << 16) & FMBM_TFCA_MR_MASK) 180 181 /* FMBM_TSTC - Tx statistics counters */ 182 #define FMBM_TSTC_EN 0x80000000 183 184 /* FMBM_INIT - BMI initialization register */ 185 #define FMBM_INIT_START 0x80000000 /* init internal buffers */ 186 187 /* FMBM_CFG1 - BMI configuration 1 */ 188 #define FMBM_CFG1_FBPS_MASK 0x03ff0000 /* Free buffer pool size */ 189 #define FMBM_CFG1_FBPS_SHIFT 16 190 #define FMBM_CFG1_FBPO_MASK 0x000003ff /* Free buffer pool offset */ 191 192 /* FMBM_IEVR - interrupt event */ 193 #define FMBM_IEVR_PEC 0x80000000 /* pipeline table ECC err detected */ 194 #define FMBM_IEVR_LEC 0x40000000 /* linked list RAM ECC error */ 195 #define FMBM_IEVR_SEC 0x20000000 /* statistics count RAM ECC error */ 196 #define FMBM_IEVR_CLEAR_ALL (FMBM_IEVR_PEC | FMBM_IEVR_LEC | FMBM_IEVR_SEC) 197 198 /* FMBM_IER - interrupt enable */ 199 #define FMBM_IER_PECE 0x80000000 /* PEC interrupt enable */ 200 #define FMBM_IER_LECE 0x40000000 /* LEC interrupt enable */ 201 #define FMBM_IER_SECE 0x20000000 /* SEC interrupt enable */ 202 203 #define FMBM_IER_DISABLE_ALL 0x00000000 204 205 /* FMBM_PP - BMI Port Parameters */ 206 #define FMBM_PP_MXT_MASK 0x3f000000 /* Max # tasks */ 207 #define FMBM_PP_MXT(x) (((x-1) << 24) & FMBM_PP_MXT_MASK) 208 #define FMBM_PP_MXD_MASK 0x00000f00 /* Max DMA */ 209 #define FMBM_PP_MXD(x) (((x-1) << 8) & FMBM_PP_MXD_MASK) 210 211 /* FMBM_PFS - BMI Port FIFO Size */ 212 #define FMBM_PFS_IFSZ_MASK 0x000003ff /* Internal Fifo Size */ 213 #define FMBM_PFS_IFSZ(x) (x & FMBM_PFS_IFSZ_MASK) 214 215 /* FMQM_GC - global configuration */ 216 #define FMQM_GC_ENQ_EN 0x80000000 /* enqueue enable */ 217 #define FMQM_GC_DEQ_EN 0x40000000 /* dequeue enable */ 218 #define FMQM_GC_STEN 0x10000000 /* enable global stat counters */ 219 #define FMQM_GC_ENQ_THR_MASK 0x00003f00 /* max number of enqueue Tnum */ 220 #define FMQM_GC_ENQ(x) ((x << 8) & FMQM_GC_ENQ_THR_MAS) 221 #define FMQM_GC_DEQ_THR_MASK 0x0000003f /* max number of dequeue Tnum */ 222 #define FMQM_GC_DEQ(x) (x & FMQM_GC_DEQ_THR_MASK) 223 224 /* FMQM_EIE - error interrupt event register */ 225 #define FMQM_EIE_DEE 0x80000000 /* double-bit ECC error */ 226 #define FMQM_EIE_DFUPE 0x40000000 /* dequeue from unknown PortID */ 227 #define FMQM_EIE_CLEAR_ALL (FMQM_EIE_DEE | FMQM_EIE_DFUPE) 228 229 /* FMQM_EIEN - error interrupt enable register */ 230 #define FMQM_EIEN_DEEN 0x80000000 /* double-bit ECC error */ 231 #define FMQM_EIEN_DFUPEN 0x40000000 /* dequeue from unknown PortID */ 232 #define FMQM_EIEN_DISABLE_ALL 0x00000000 233 234 /* FMQM_IE - interrupt event register */ 235 #define FMQM_IE_SEE 0x80000000 /* single-bit ECC error detected */ 236 #define FMQM_IE_CLEAR_ALL FMQM_IE_SEE 237 238 /* FMQM_IEN - interrupt enable register */ 239 #define FMQM_IEN_SEE 0x80000000 /* single-bit ECC err IRQ enable */ 240 #define FMQM_IEN_DISABLE_ALL 0x00000000 241 242 /* NIA - next invoked action */ 243 #define NIA_ENG_RISC 0x00000000 244 #define NIA_ENG_MASK 0x007c0000 245 246 /* action code */ 247 #define NIA_RISC_AC_CC 0x00000006 248 #define NIA_RISC_AC_IM_TX 0x00000008 /* independent mode Tx */ 249 #define NIA_RISC_AC_IM_RX 0x0000000a /* independent mode Rx */ 250 #define NIA_RISC_AC_HC 0x0000000c 251 252 typedef struct fm_parser { 253 u8 res[1024]; 254 } fm_parser_t; 255 256 typedef struct fm_policer { 257 u8 res[4*1024]; 258 } fm_policer_t; 259 260 typedef struct fm_keygen { 261 u8 res[4*1024]; 262 } fm_keygen_t; 263 264 typedef struct fm_dma { 265 u32 fmdmsr; /* status register */ 266 u32 fmdmmr; /* mode register */ 267 u32 fmdmtr; /* bus threshold register */ 268 u32 fmdmhy; /* bus hysteresis register */ 269 u32 fmdmsetr; /* SOS emergency threshold register */ 270 u32 fmdmtah; /* transfer bus address high register */ 271 u32 fmdmtal; /* transfer bus address low register */ 272 u32 fmdmtcid; /* transfer bus communication ID register */ 273 u32 fmdmra; /* DMA bus internal ram address register */ 274 u32 fmdmrd; /* DMA bus internal ram data register */ 275 u32 res0[0xb]; 276 u32 fmdmdcr; /* debug counter */ 277 u32 fmdmemsr; /* emrgency smoother register */ 278 u32 res1; 279 u32 fmdmplr[32]; /* FM DMA PID-LIODN # register */ 280 u32 res[0x3c8]; 281 } fm_dma_t; 282 283 /* FMDMSR - Fman DMA status register */ 284 #define FMDMSR_CMDQNE 0x10000000 /* command queue not empty */ 285 #define FMDMSR_BER 0x08000000 /* bus err event occurred on bus */ 286 #define FMDMSR_RDB_ECC 0x04000000 /* read buffer ECC error */ 287 #define FMDMSR_WRB_SECC 0x02000000 /* write buf ECC err sys side */ 288 #define FMDMSR_WRB_FECC 0x01000000 /* write buf ECC err Fman side */ 289 #define FMDMSR_DPEXT_SECC 0x00800000 /* DP external ECC err sys side */ 290 #define FMDMSR_DPEXT_FECC 0x00400000 /* DP external ECC err Fman side */ 291 #define FMDMSR_DPDAT_SECC 0x00200000 /* DP data ECC err on sys side */ 292 #define FMDMSR_DPDAT_FECC 0x00100000 /* DP data ECC err on Fman side */ 293 #define FMDMSR_SPDAT_FECC 0x00080000 /* SP data ECC error Fman side */ 294 295 #define FMDMSR_CLEAR_ALL (FMDMSR_BER | FMDMSR_RDB_ECC \ 296 | FMDMSR_WRB_SECC | FMDMSR_WRB_FECC \ 297 | FMDMSR_DPEXT_SECC | FMDMSR_DPEXT_FECC \ 298 | FMDMSR_DPDAT_SECC | FMDMSR_DPDAT_FECC \ 299 | FMDMSR_SPDAT_FECC) 300 301 /* FMDMMR - FMan DMA mode register */ 302 #define FMDMMR_SBER 0x10000000 /* stop the DMA if a bus error */ 303 304 typedef struct fm_fpm { 305 u32 fpmtnc; /* TNUM control */ 306 u32 fpmprc; /* Port_ID control */ 307 u32 res0; 308 u32 fpmflc; /* flush control */ 309 u32 fpmdis1; /* dispatch thresholds1 */ 310 u32 fpmdis2; /* dispatch thresholds2 */ 311 u32 fmepi; /* error pending interrupts */ 312 u32 fmrie; /* rams interrupt enable */ 313 u32 fpmfcevent[0x4];/* FMan controller event 0-3 */ 314 u32 res1[0x4]; 315 u32 fpmfcmask[0x4]; /* FMan controller mask 0-3 */ 316 u32 res2[0x4]; 317 u32 fpmtsc1; /* timestamp control1 */ 318 u32 fpmtsc2; /* timestamp control2 */ 319 u32 fpmtsp; /* time stamp */ 320 u32 fpmtsf; /* time stamp fraction */ 321 u32 fpmrcr; /* rams control and event */ 322 u32 res3[0x3]; 323 u32 fpmdrd[0x4]; /* data_ram data 0-3 */ 324 u32 res4[0xc]; 325 u32 fpmdra; /* data ram access */ 326 u32 fm_ip_rev_1; /* IP block revision 1 */ 327 u32 fm_ip_rev_2; /* IP block revision 2 */ 328 u32 fmrstc; /* reset command */ 329 u32 fmcld; /* classifier debug control */ 330 u32 fmnpi; /* normal pending interrupts */ 331 u32 res5; 332 u32 fmfpee; /* event and enable */ 333 u32 fpmcev[0x4]; /* CPU event 0-3 */ 334 u32 res6[0x4]; 335 u32 fmfp_ps[0x40]; /* port status */ 336 u32 res7[0x260]; 337 u32 fpmts[0x80]; /* task status */ 338 u32 res8[0xa0]; 339 } fm_fpm_t; 340 341 /* FMFP_PRC - FPM Port_ID Control Register */ 342 #define FMFPPRC_PORTID_MASK 0x3f000000 343 #define FMFPPRC_PORTID_SHIFT 24 344 #define FMFPPRC_ORA_SHIFT 16 345 #define FMFPPRC_RISC1 0x00000001 346 #define FMFPPRC_RISC2 0x00000002 347 #define FMFPPRC_RISC_ALL (FMFPPRC_RISC1 | FMFPPRC_RSIC2) 348 349 /* FPM Flush Control Register */ 350 #define FMFP_FLC_DISP_LIM_NONE 0x00000000 /* no dispatch limitation */ 351 352 /* FMFP_EE - FPM event and enable register */ 353 #define FMFPEE_DECC 0x80000000 /* double ECC err on FPM ram */ 354 #define FMFPEE_STL 0x40000000 /* stall of task ... */ 355 #define FMFPEE_SECC 0x20000000 /* single ECC error */ 356 #define FMFPEE_RFM 0x00010000 /* release FMan */ 357 #define FMFPEE_DECC_EN 0x00008000 /* double ECC interrupt enable */ 358 #define FMFPEE_STL_EN 0x00004000 /* stall of task interrupt enable */ 359 #define FMFPEE_SECC_EN 0x00002000 /* single ECC err interrupt enable */ 360 #define FMFPEE_EHM 0x00000008 /* external halt enable */ 361 #define FMFPEE_UEC 0x00000004 /* FMan is not halted */ 362 #define FMFPEE_CER 0x00000002 /* only errornous task stalled */ 363 #define FMFPEE_DER 0x00000001 /* DMA error is just reported */ 364 365 #define FMFPEE_CLEAR_EVENT (FMFPEE_DECC | FMFPEE_STL | FMFPEE_SECC | \ 366 FMFPEE_EHM | FMFPEE_UEC | FMFPEE_CER | \ 367 FMFPEE_DER | FMFPEE_RFM) 368 369 /* FMFP_RCR - FMan Rams Control and Event */ 370 #define FMFP_RCR_MDEC 0x00008000 /* double ECC error in muram */ 371 #define FMFP_RCR_IDEC 0x00004000 /* double ECC error in iram */ 372 373 typedef struct fm_imem { 374 u32 iadd; /* instruction address register */ 375 u32 idata; /* instruction data register */ 376 u32 itcfg; /* timing config register */ 377 u32 iready; /* ready register */ 378 u8 res[0xff0]; 379 } fm_imem_t; 380 #define IRAM_IADD_AIE 0x80000000 /* address auto increase enable */ 381 #define IRAM_READY 0x80000000 /* ready to use */ 382 383 typedef struct fm_soft_parser { 384 u8 res[4*1024]; 385 } fm_soft_parser_t; 386 387 typedef struct fm_dtesc { 388 u8 res[4*1024]; 389 } fm_dtsec_t; 390 391 typedef struct fm_mdio { 392 u8 res0[0x120]; 393 u32 miimcfg; /* MII management configuration reg */ 394 u32 miimcom; /* MII management command reg */ 395 u32 miimadd; /* MII management address reg */ 396 u32 miimcon; /* MII management control reg */ 397 u32 miimstat; /* MII management status reg */ 398 u32 miimind; /* MII management indication reg */ 399 u8 res1[0x1000 - 0x138]; 400 } fm_mdio_t; 401 402 typedef struct fm_10gec { 403 u8 res[4*1024]; 404 } fm_10gec_t; 405 406 typedef struct fm_10gec_mdio { 407 u8 res[4*1024]; 408 } fm_10gec_mdio_t; 409 410 typedef struct fm_memac { 411 u8 res[4*1024]; 412 } fm_memac_t; 413 414 typedef struct fm_memac_mdio { 415 u8 res[4*1024]; 416 } fm_memac_mdio_t; 417 418 typedef struct fm_1588 { 419 u8 res[4*1024]; 420 } fm_1588_t; 421 422 typedef struct ccsr_fman { 423 u8 muram[0x80000]; 424 fm_bmi_common_t fm_bmi_common; 425 fm_qmi_common_t fm_qmi_common; 426 u8 res0[2048]; 427 struct { 428 fm_bmi_t fm_bmi; 429 fm_qmi_t fm_qmi; 430 fm_parser_t fm_parser; 431 u8 res[1024]; 432 } port[63]; 433 fm_policer_t fm_policer; 434 fm_keygen_t fm_keygen; 435 fm_dma_t fm_dma; 436 fm_fpm_t fm_fpm; 437 fm_imem_t fm_imem; 438 u8 res1[8*1024]; 439 fm_soft_parser_t fm_soft_parser; 440 u8 res2[96*1024]; 441 #ifdef CONFIG_SYS_FMAN_V3 442 struct { 443 fm_memac_t fm_memac; 444 fm_memac_mdio_t fm_memac_mdio; 445 } memac[10]; 446 u8 res4[32*1024]; 447 fm_memac_mdio_t fm_dedicated_mdio[2]; 448 #else 449 struct { 450 fm_dtsec_t fm_dtesc; 451 fm_mdio_t fm_mdio; 452 } mac_1g[8]; /* support up to 8 1g controllers */ 453 struct { 454 fm_10gec_t fm_10gec; 455 fm_10gec_mdio_t fm_10gec_mdio; 456 } mac_10g[1]; 457 u8 res4[48*1024]; 458 #endif 459 fm_1588_t fm_1588; 460 u8 res5[4*1024]; 461 } ccsr_fman_t; 462 463 #endif /*__FSL_FMAN_H__*/ 464