1 /* 2 * MPC8xx Internal Memory Map 3 * Copyright (c) 1997 Dan Malek (dmalek (at) jlc.net) 4 * 5 * The I/O on the MPC860 is comprised of blocks of special registers 6 * and the dual port ram for the Communication Processor Module. 7 * Within this space are functional units such as the SIU, memory 8 * controller, system timers, and other control functions. It is 9 * a combination that I found difficult to separate into logical 10 * functional files.....but anyone else is welcome to try. -- Dan 11 */ 12 #ifndef __IMMAP_8XX__ 13 #define __IMMAP_8XX__ 14 15 /* System configuration registers. 16 */ 17 typedef struct sys_conf { 18 uint sc_siumcr; 19 uint sc_sypcr; 20 uint sc_swt; 21 char res1[2]; 22 ushort sc_swsr; 23 uint sc_sipend; 24 uint sc_simask; 25 uint sc_siel; 26 uint sc_sivec; 27 uint sc_tesr; 28 char res2[0xc]; 29 uint sc_sdcr; 30 char res3[0x4c]; 31 } sysconf8xx_t; 32 33 /* PCMCIA configuration registers. 34 */ 35 typedef struct pcmcia_conf { 36 uint pcmc_pbr0; 37 uint pcmc_por0; 38 uint pcmc_pbr1; 39 uint pcmc_por1; 40 uint pcmc_pbr2; 41 uint pcmc_por2; 42 uint pcmc_pbr3; 43 uint pcmc_por3; 44 uint pcmc_pbr4; 45 uint pcmc_por4; 46 uint pcmc_pbr5; 47 uint pcmc_por5; 48 uint pcmc_pbr6; 49 uint pcmc_por6; 50 uint pcmc_pbr7; 51 uint pcmc_por7; 52 char res1[0x20]; 53 uint pcmc_pgcra; 54 uint pcmc_pgcrb; 55 uint pcmc_pscr; 56 char res2[4]; 57 uint pcmc_pipr; 58 char res3[4]; 59 uint pcmc_per; 60 char res4[4]; 61 } pcmconf8xx_t; 62 63 /* Memory controller registers. 64 */ 65 typedef struct mem_ctlr { 66 uint memc_br0; 67 uint memc_or0; 68 uint memc_br1; 69 uint memc_or1; 70 uint memc_br2; 71 uint memc_or2; 72 uint memc_br3; 73 uint memc_or3; 74 uint memc_br4; 75 uint memc_or4; 76 uint memc_br5; 77 uint memc_or5; 78 uint memc_br6; 79 uint memc_or6; 80 uint memc_br7; 81 uint memc_or7; 82 char res1[0x24]; 83 uint memc_mar; 84 uint memc_mcr; 85 char res2[4]; 86 uint memc_mamr; 87 uint memc_mbmr; 88 ushort memc_mstat; 89 ushort memc_mptpr; 90 uint memc_mdr; 91 char res3[0x80]; 92 } memctl8xx_t; 93 94 /* System Integration Timers. 95 */ 96 typedef struct sys_int_timers { 97 ushort sit_tbscr; 98 char res0[0x02]; 99 uint sit_tbreff0; 100 uint sit_tbreff1; 101 char res1[0x14]; 102 ushort sit_rtcsc; 103 char res2[0x02]; 104 uint sit_rtc; 105 uint sit_rtsec; 106 uint sit_rtcal; 107 char res3[0x10]; 108 ushort sit_piscr; 109 char res4[2]; 110 uint sit_pitc; 111 uint sit_pitr; 112 char res5[0x34]; 113 } sit8xx_t; 114 115 #define TBSCR_TBIRQ_MASK ((ushort)0xff00) 116 #define TBSCR_REFA ((ushort)0x0080) 117 #define TBSCR_REFB ((ushort)0x0040) 118 #define TBSCR_REFAE ((ushort)0x0008) 119 #define TBSCR_REFBE ((ushort)0x0004) 120 #define TBSCR_TBF ((ushort)0x0002) 121 #define TBSCR_TBE ((ushort)0x0001) 122 123 #define RTCSC_RTCIRQ_MASK ((ushort)0xff00) 124 #define RTCSC_SEC ((ushort)0x0080) 125 #define RTCSC_ALR ((ushort)0x0040) 126 #define RTCSC_38K ((ushort)0x0010) 127 #define RTCSC_SIE ((ushort)0x0008) 128 #define RTCSC_ALE ((ushort)0x0004) 129 #define RTCSC_RTF ((ushort)0x0002) 130 #define RTCSC_RTE ((ushort)0x0001) 131 132 #define PISCR_PIRQ_MASK ((ushort)0xff00) 133 #define PISCR_PS ((ushort)0x0080) 134 #define PISCR_PIE ((ushort)0x0004) 135 #define PISCR_PTF ((ushort)0x0002) 136 #define PISCR_PTE ((ushort)0x0001) 137 138 /* Clocks and Reset. 139 */ 140 typedef struct clk_and_reset { 141 uint car_sccr; 142 uint car_plprcr; 143 uint car_rsr; 144 char res[0x74]; /* Reserved area */ 145 } car8xx_t; 146 147 /* System Integration Timers keys. 148 */ 149 typedef struct sitk { 150 uint sitk_tbscrk; 151 uint sitk_tbreff0k; 152 uint sitk_tbreff1k; 153 uint sitk_tbk; 154 char res1[0x10]; 155 uint sitk_rtcsck; 156 uint sitk_rtck; 157 uint sitk_rtseck; 158 uint sitk_rtcalk; 159 char res2[0x10]; 160 uint sitk_piscrk; 161 uint sitk_pitck; 162 char res3[0x38]; 163 } sitk8xx_t; 164 165 /* Clocks and reset keys. 166 */ 167 typedef struct cark { 168 uint cark_sccrk; 169 uint cark_plprcrk; 170 uint cark_rsrk; 171 char res[0x474]; 172 } cark8xx_t; 173 174 /* The key to unlock registers maintained by keep-alive power. 175 */ 176 #define KAPWR_KEY ((unsigned int)0x55ccaa33) 177 178 /* I2C 179 */ 180 typedef struct i2c { 181 u_char i2c_i2mod; 182 char res1[3]; 183 u_char i2c_i2add; 184 char res2[3]; 185 u_char i2c_i2brg; 186 char res3[3]; 187 u_char i2c_i2com; 188 char res4[3]; 189 u_char i2c_i2cer; 190 char res5[3]; 191 u_char i2c_i2cmr; 192 char res6[0x8b]; 193 } i2c8xx_t; 194 195 /* DMA control/status registers. 196 */ 197 typedef struct sdma_csr { 198 char res1[4]; 199 uint sdma_sdar; 200 u_char sdma_sdsr; 201 char res3[3]; 202 u_char sdma_sdmr; 203 char res4[3]; 204 u_char sdma_idsr1; 205 char res5[3]; 206 u_char sdma_idmr1; 207 char res6[3]; 208 u_char sdma_idsr2; 209 char res7[3]; 210 u_char sdma_idmr2; 211 char res8[0x13]; 212 } sdma8xx_t; 213 214 /* Communication Processor Module Interrupt Controller. 215 */ 216 typedef struct cpm_ic { 217 ushort cpic_civr; 218 char res[0xe]; 219 uint cpic_cicr; 220 uint cpic_cipr; 221 uint cpic_cimr; 222 uint cpic_cisr; 223 } cpic8xx_t; 224 225 /* Input/Output Port control/status registers. 226 */ 227 typedef struct io_port { 228 ushort iop_padir; 229 ushort iop_papar; 230 ushort iop_paodr; 231 ushort iop_padat; 232 char res1[8]; 233 ushort iop_pcdir; 234 ushort iop_pcpar; 235 ushort iop_pcso; 236 ushort iop_pcdat; 237 ushort iop_pcint; 238 char res2[6]; 239 ushort iop_pddir; 240 ushort iop_pdpar; 241 char res3[2]; 242 ushort iop_pddat; 243 uint utmode; 244 char res4[4]; 245 } iop8xx_t; 246 247 /* Communication Processor Module Timers 248 */ 249 typedef struct cpm_timers { 250 ushort cpmt_tgcr; 251 char res1[0xe]; 252 ushort cpmt_tmr1; 253 ushort cpmt_tmr2; 254 ushort cpmt_trr1; 255 ushort cpmt_trr2; 256 ushort cpmt_tcr1; 257 ushort cpmt_tcr2; 258 ushort cpmt_tcn1; 259 ushort cpmt_tcn2; 260 ushort cpmt_tmr3; 261 ushort cpmt_tmr4; 262 ushort cpmt_trr3; 263 ushort cpmt_trr4; 264 ushort cpmt_tcr3; 265 ushort cpmt_tcr4; 266 ushort cpmt_tcn3; 267 ushort cpmt_tcn4; 268 ushort cpmt_ter1; 269 ushort cpmt_ter2; 270 ushort cpmt_ter3; 271 ushort cpmt_ter4; 272 char res2[8]; 273 } cpmtimer8xx_t; 274 275 /* Finally, the Communication Processor stuff..... 276 */ 277 typedef struct scc { /* Serial communication channels */ 278 uint scc_gsmrl; 279 uint scc_gsmrh; 280 ushort scc_psmr; 281 char res1[2]; 282 ushort scc_todr; 283 ushort scc_dsr; 284 ushort scc_scce; 285 char res2[2]; 286 ushort scc_sccm; 287 char res3; 288 u_char scc_sccs; 289 char res4[8]; 290 } scc_t; 291 292 typedef struct smc { /* Serial management channels */ 293 char res1[2]; 294 ushort smc_smcmr; 295 char res2[2]; 296 u_char smc_smce; 297 char res3[3]; 298 u_char smc_smcm; 299 char res4[5]; 300 } smc_t; 301 302 /* MPC860T Fast Ethernet Controller. It isn't part of the CPM, but 303 * it fits within the address space. 304 */ 305 306 typedef struct fec { 307 uint fec_addr_low; /* lower 32 bits of station address */ 308 ushort fec_addr_high; /* upper 16 bits of station address */ 309 ushort res1; /* reserved */ 310 uint fec_hash_table_high; /* upper 32-bits of hash table */ 311 uint fec_hash_table_low; /* lower 32-bits of hash table */ 312 uint fec_r_des_start; /* beginning of Rx descriptor ring */ 313 uint fec_x_des_start; /* beginning of Tx descriptor ring */ 314 uint fec_r_buff_size; /* Rx buffer size */ 315 uint res2[9]; /* reserved */ 316 uint fec_ecntrl; /* ethernet control register */ 317 uint fec_ievent; /* interrupt event register */ 318 uint fec_imask; /* interrupt mask register */ 319 uint fec_ivec; /* interrupt level and vector status */ 320 uint fec_r_des_active; /* Rx ring updated flag */ 321 uint fec_x_des_active; /* Tx ring updated flag */ 322 uint res3[10]; /* reserved */ 323 uint fec_mii_data; /* MII data register */ 324 uint fec_mii_speed; /* MII speed control register */ 325 uint res4[17]; /* reserved */ 326 uint fec_r_bound; /* end of RAM (read-only) */ 327 uint fec_r_fstart; /* Rx FIFO start address */ 328 uint res5[6]; /* reserved */ 329 uint fec_x_fstart; /* Tx FIFO start address */ 330 uint res6[17]; /* reserved */ 331 uint fec_fun_code; /* fec SDMA function code */ 332 uint res7[3]; /* reserved */ 333 uint fec_r_cntrl; /* Rx control register */ 334 uint fec_r_hash; /* Rx hash register */ 335 uint res8[14]; /* reserved */ 336 uint fec_x_cntrl; /* Tx control register */ 337 uint res9[0x1e]; /* reserved */ 338 } fec_t; 339 340 typedef struct comm_proc { 341 /* General control and status registers. 342 */ 343 ushort cp_cpcr; 344 u_char res1[2]; 345 ushort cp_rccr; 346 u_char res2; 347 u_char cp_rmds; 348 u_char res3[4]; 349 ushort cp_cpmcr1; 350 ushort cp_cpmcr2; 351 ushort cp_cpmcr3; 352 ushort cp_cpmcr4; 353 u_char res4[2]; 354 ushort cp_rter; 355 u_char res5[2]; 356 ushort cp_rtmr; 357 u_char res6[0x14]; 358 359 /* Baud rate generators. 360 */ 361 uint cp_brgc1; 362 uint cp_brgc2; 363 uint cp_brgc3; 364 uint cp_brgc4; 365 366 /* Serial Communication Channels. 367 */ 368 scc_t cp_scc[4]; 369 370 /* Serial Management Channels. 371 */ 372 smc_t cp_smc[2]; 373 374 /* Serial Peripheral Interface. 375 */ 376 ushort cp_spmode; 377 u_char res7[4]; 378 u_char cp_spie; 379 u_char res8[3]; 380 u_char cp_spim; 381 u_char res9[2]; 382 u_char cp_spcom; 383 u_char res10[2]; 384 385 /* Parallel Interface Port. 386 */ 387 u_char res11[2]; 388 ushort cp_pipc; 389 u_char res12[2]; 390 ushort cp_ptpr; 391 uint cp_pbdir; 392 uint cp_pbpar; 393 u_char res13[2]; 394 ushort cp_pbodr; 395 uint cp_pbdat; 396 397 /* Port E - MPC87x/88x only. 398 */ 399 uint cp_pedir; 400 uint cp_pepar; 401 uint cp_peso; 402 uint cp_peodr; 403 uint cp_pedat; 404 405 /* Communications Processor Timing Register - 406 Contains RMII Timing for the FECs on MPC87x/88x only. 407 */ 408 uint cp_cptr; 409 410 /* Serial Interface and Time Slot Assignment. 411 */ 412 uint cp_simode; 413 u_char cp_sigmr; 414 u_char res15; 415 u_char cp_sistr; 416 u_char cp_sicmr; 417 u_char res16[4]; 418 uint cp_sicr; 419 uint cp_sirp; 420 u_char res17[0xc]; 421 422 u_char res19[0x100]; 423 u_char cp_siram[0x200]; 424 425 /* The fast ethernet controller is not really part of the CPM, 426 * but it resides in the address space. 427 */ 428 fec_t cp_fec; 429 char res18[0xE00]; 430 431 /* The MPC885 family has a second FEC here */ 432 fec_t cp_fec2; 433 #define cp_fec1 cp_fec /* consistency macro */ 434 435 /* Dual Ported RAM follows. 436 * There are many different formats for this memory area 437 * depending upon the devices used and options chosen. 438 * Some processors don't have all of it populated. 439 */ 440 u_char cp_dpmem[0x1C00]; /* BD / Data / ucode */ 441 442 /* Parameter RAM */ 443 union { 444 u_char cp_dparam[0x400]; 445 u16 cp_dparam16[0x200]; 446 }; 447 } cpm8xx_t; 448 449 /* Internal memory map. 450 */ 451 typedef struct immap { 452 sysconf8xx_t im_siu_conf; /* SIU Configuration */ 453 pcmconf8xx_t im_pcmcia; /* PCMCIA Configuration */ 454 memctl8xx_t im_memctl; /* Memory Controller */ 455 sit8xx_t im_sit; /* System integration timers */ 456 car8xx_t im_clkrst; /* Clocks and reset */ 457 sitk8xx_t im_sitk; /* Sys int timer keys */ 458 cark8xx_t im_clkrstk; /* Clocks and reset keys */ 459 char res[96]; 460 i2c8xx_t im_i2c; /* I2C control/status */ 461 sdma8xx_t im_sdma; /* SDMA control/status */ 462 cpic8xx_t im_cpic; /* CPM Interrupt Controller */ 463 iop8xx_t im_ioport; /* IO Port control/status */ 464 cpmtimer8xx_t im_cpmtimer; /* CPM timers */ 465 cpm8xx_t im_cpm; /* Communication processor */ 466 } immap_t; 467 468 #endif /* __IMMAP_8XX__ */ 469
