1 /* 2 * Copyright (C) 2004-2009 Freescale Semiconductor, Inc. 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <mpc83xx.h> 25 #include <ioports.h> 26 #include <asm/io.h> 27 #ifdef CONFIG_USB_EHCI_FSL 28 #include <usb/ehci-fsl.h> 29 #endif 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 #ifdef CONFIG_QE 34 extern qe_iop_conf_t qe_iop_conf_tab[]; 35 extern void qe_config_iopin(u8 port, u8 pin, int dir, 36 int open_drain, int assign); 37 extern void qe_init(uint qe_base); 38 extern void qe_reset(void); 39 40 static void config_qe_ioports(void) 41 { 42 u8 port, pin; 43 int dir, open_drain, assign; 44 int i; 45 46 for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) { 47 port = qe_iop_conf_tab[i].port; 48 pin = qe_iop_conf_tab[i].pin; 49 dir = qe_iop_conf_tab[i].dir; 50 open_drain = qe_iop_conf_tab[i].open_drain; 51 assign = qe_iop_conf_tab[i].assign; 52 qe_config_iopin(port, pin, dir, open_drain, assign); 53 } 54 } 55 #endif 56 57 /* 58 * Breathe some life into the CPU... 59 * 60 * Set up the memory map, 61 * initialize a bunch of registers, 62 * initialize the UPM's 63 */ 64 void cpu_init_f (volatile immap_t * im) 65 { 66 __be32 acr_mask = 67 #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */ 68 ACR_PIPE_DEP | 69 #endif 70 #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */ 71 ACR_RPTCNT | 72 #endif 73 #ifdef CONFIG_SYS_ACR_APARK /* Arbiter address parking mode */ 74 ACR_APARK | 75 #endif 76 #ifdef CONFIG_SYS_ACR_PARKM /* Arbiter parking master */ 77 ACR_PARKM | 78 #endif 79 0; 80 __be32 acr_val = 81 #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */ 82 (CONFIG_SYS_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) | 83 #endif 84 #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */ 85 (CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT) | 86 #endif 87 #ifdef CONFIG_SYS_ACR_APARK /* Arbiter address parking mode */ 88 (CONFIG_SYS_ACR_APARK << ACR_APARK_SHIFT) | 89 #endif 90 #ifdef CONFIG_SYS_ACR_PARKM /* Arbiter parking master */ 91 (CONFIG_SYS_ACR_PARKM << ACR_PARKM_SHIFT) | 92 #endif 93 0; 94 __be32 spcr_mask = 95 #ifdef CONFIG_SYS_SPCR_OPT /* Optimize transactions between CSB and other dev */ 96 SPCR_OPT | 97 #endif 98 #ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */ 99 SPCR_TSECEP | 100 #endif 101 #ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */ 102 SPCR_TSEC1EP | 103 #endif 104 #ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */ 105 SPCR_TSEC2EP | 106 #endif 107 0; 108 __be32 spcr_val = 109 #ifdef CONFIG_SYS_SPCR_OPT 110 (CONFIG_SYS_SPCR_OPT << SPCR_OPT_SHIFT) | 111 #endif 112 #ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */ 113 (CONFIG_SYS_SPCR_TSECEP << SPCR_TSECEP_SHIFT) | 114 #endif 115 #ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */ 116 (CONFIG_SYS_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) | 117 #endif 118 #ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */ 119 (CONFIG_SYS_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) | 120 #endif 121 0; 122 __be32 sccr_mask = 123 #ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */ 124 SCCR_ENCCM | 125 #endif 126 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */ 127 SCCR_PCICM | 128 #endif 129 #ifdef CONFIG_SYS_SCCR_PCIEXP1CM /* PCIE1 clock mode */ 130 SCCR_PCIEXP1CM | 131 #endif 132 #ifdef CONFIG_SYS_SCCR_PCIEXP2CM /* PCIE2 clock mode */ 133 SCCR_PCIEXP2CM | 134 #endif 135 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */ 136 SCCR_TSECCM | 137 #endif 138 #ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */ 139 SCCR_TSEC1CM | 140 #endif 141 #ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */ 142 SCCR_TSEC2CM | 143 #endif 144 #ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */ 145 SCCR_TSEC1ON | 146 #endif 147 #ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */ 148 SCCR_TSEC2ON | 149 #endif 150 #ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */ 151 SCCR_USBMPHCM | 152 #endif 153 #ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */ 154 SCCR_USBDRCM | 155 #endif 156 #ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */ 157 SCCR_SATACM | 158 #endif 159 0; 160 __be32 sccr_val = 161 #ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */ 162 (CONFIG_SYS_SCCR_ENCCM << SCCR_ENCCM_SHIFT) | 163 #endif 164 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */ 165 (CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT) | 166 #endif 167 #ifdef CONFIG_SYS_SCCR_PCIEXP1CM /* PCIE1 clock mode */ 168 (CONFIG_SYS_SCCR_PCIEXP1CM << SCCR_PCIEXP1CM_SHIFT) | 169 #endif 170 #ifdef CONFIG_SYS_SCCR_PCIEXP2CM /* PCIE2 clock mode */ 171 (CONFIG_SYS_SCCR_PCIEXP2CM << SCCR_PCIEXP2CM_SHIFT) | 172 #endif 173 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */ 174 (CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT) | 175 #endif 176 #ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */ 177 (CONFIG_SYS_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) | 178 #endif 179 #ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */ 180 (CONFIG_SYS_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) | 181 #endif 182 #ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */ 183 (CONFIG_SYS_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) | 184 #endif 185 #ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */ 186 (CONFIG_SYS_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) | 187 #endif 188 #ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */ 189 (CONFIG_SYS_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) | 190 #endif 191 #ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */ 192 (CONFIG_SYS_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) | 193 #endif 194 #ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */ 195 (CONFIG_SYS_SCCR_SATACM << SCCR_SATACM_SHIFT) | 196 #endif 197 0; 198 __be32 lcrr_mask = 199 #ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */ 200 LCRR_DBYP | 201 #endif 202 #ifdef CONFIG_SYS_LCRR_EADC /* external address delay */ 203 LCRR_EADC | 204 #endif 205 #ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */ 206 LCRR_CLKDIV | 207 #endif 208 0; 209 __be32 lcrr_val = 210 #ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */ 211 CONFIG_SYS_LCRR_DBYP | 212 #endif 213 #ifdef CONFIG_SYS_LCRR_EADC 214 CONFIG_SYS_LCRR_EADC | 215 #endif 216 #ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */ 217 CONFIG_SYS_LCRR_CLKDIV | 218 #endif 219 0; 220 221 /* Pointer is writable since we allocated a register for it */ 222 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); 223 224 /* Clear initial global data */ 225 memset ((void *) gd, 0, sizeof (gd_t)); 226 227 /* system performance tweaking */ 228 clrsetbits_be32(&im->arbiter.acr, acr_mask, acr_val); 229 230 clrsetbits_be32(&im->sysconf.spcr, spcr_mask, spcr_val); 231 232 clrsetbits_be32(&im->clk.sccr, sccr_mask, sccr_val); 233 234 /* RSR - Reset Status Register - clear all status (4.6.1.3) */ 235 gd->reset_status = __raw_readl(&im->reset.rsr); 236 __raw_writel(~(RSR_RES), &im->reset.rsr); 237 238 /* AER - Arbiter Event Register - store status */ 239 gd->arbiter_event_attributes = __raw_readl(&im->arbiter.aeatr); 240 gd->arbiter_event_address = __raw_readl(&im->arbiter.aeadr); 241 242 /* 243 * RMR - Reset Mode Register 244 * contains checkstop reset enable (4.6.1.4) 245 */ 246 __raw_writel(RMR_CSRE & (1<<RMR_CSRE_SHIFT), &im->reset.rmr); 247 248 /* LCRR - Clock Ratio Register (10.3.1.16) 249 * write, read, and isync per MPC8379ERM rev.1 CLKDEV field description 250 */ 251 clrsetbits_be32(&im->im_lbc.lcrr, lcrr_mask, lcrr_val); 252 __raw_readl(&im->im_lbc.lcrr); 253 isync(); 254 255 /* Enable Time Base & Decrementer ( so we will have udelay() )*/ 256 setbits_be32(&im->sysconf.spcr, SPCR_TBEN); 257 258 /* System General Purpose Register */ 259 #ifdef CONFIG_SYS_SICRH 260 #if defined(CONFIG_MPC834x) || defined(CONFIG_MPC8313) 261 /* regarding to MPC34x manual rev.1 bits 28..29 must be preserved */ 262 __raw_writel((im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH, 263 &im->sysconf.sicrh); 264 #else 265 __raw_writel(CONFIG_SYS_SICRH, &im->sysconf.sicrh); 266 #endif 267 #endif 268 #ifdef CONFIG_SYS_SICRL 269 __raw_writel(CONFIG_SYS_SICRL, &im->sysconf.sicrl); 270 #endif 271 #ifdef CONFIG_SYS_GPR1 272 __raw_writel(CONFIG_SYS_GPR1, &im->sysconf.gpr1); 273 #endif 274 #ifdef CONFIG_SYS_DDRCDR /* DDR control driver register */ 275 __raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr); 276 #endif 277 #ifdef CONFIG_SYS_OBIR /* Output buffer impedance register */ 278 __raw_writel(CONFIG_SYS_OBIR, &im->sysconf.obir); 279 #endif 280 281 #ifdef CONFIG_QE 282 /* Config QE ioports */ 283 config_qe_ioports(); 284 #endif 285 /* Set up preliminary BR/OR regs */ 286 init_early_memctl_regs(); 287 288 /* Local Access window setup */ 289 #if defined(CONFIG_SYS_LBLAWBAR0_PRELIM) && defined(CONFIG_SYS_LBLAWAR0_PRELIM) 290 im->sysconf.lblaw[0].bar = CONFIG_SYS_LBLAWBAR0_PRELIM; 291 im->sysconf.lblaw[0].ar = CONFIG_SYS_LBLAWAR0_PRELIM; 292 #else 293 #error CONFIG_SYS_LBLAWBAR0_PRELIM & CONFIG_SYS_LBLAWAR0_PRELIM must be defined 294 #endif 295 296 #if defined(CONFIG_SYS_LBLAWBAR1_PRELIM) && defined(CONFIG_SYS_LBLAWAR1_PRELIM) 297 im->sysconf.lblaw[1].bar = CONFIG_SYS_LBLAWBAR1_PRELIM; 298 im->sysconf.lblaw[1].ar = CONFIG_SYS_LBLAWAR1_PRELIM; 299 #endif 300 #if defined(CONFIG_SYS_LBLAWBAR2_PRELIM) && defined(CONFIG_SYS_LBLAWAR2_PRELIM) 301 im->sysconf.lblaw[2].bar = CONFIG_SYS_LBLAWBAR2_PRELIM; 302 im->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2_PRELIM; 303 #endif 304 #if defined(CONFIG_SYS_LBLAWBAR3_PRELIM) && defined(CONFIG_SYS_LBLAWAR3_PRELIM) 305 im->sysconf.lblaw[3].bar = CONFIG_SYS_LBLAWBAR3_PRELIM; 306 im->sysconf.lblaw[3].ar = CONFIG_SYS_LBLAWAR3_PRELIM; 307 #endif 308 #if defined(CONFIG_SYS_LBLAWBAR4_PRELIM) && defined(CONFIG_SYS_LBLAWAR4_PRELIM) 309 im->sysconf.lblaw[4].bar = CONFIG_SYS_LBLAWBAR4_PRELIM; 310 im->sysconf.lblaw[4].ar = CONFIG_SYS_LBLAWAR4_PRELIM; 311 #endif 312 #if defined(CONFIG_SYS_LBLAWBAR5_PRELIM) && defined(CONFIG_SYS_LBLAWAR5_PRELIM) 313 im->sysconf.lblaw[5].bar = CONFIG_SYS_LBLAWBAR5_PRELIM; 314 im->sysconf.lblaw[5].ar = CONFIG_SYS_LBLAWAR5_PRELIM; 315 #endif 316 #if defined(CONFIG_SYS_LBLAWBAR6_PRELIM) && defined(CONFIG_SYS_LBLAWAR6_PRELIM) 317 im->sysconf.lblaw[6].bar = CONFIG_SYS_LBLAWBAR6_PRELIM; 318 im->sysconf.lblaw[6].ar = CONFIG_SYS_LBLAWAR6_PRELIM; 319 #endif 320 #if defined(CONFIG_SYS_LBLAWBAR7_PRELIM) && defined(CONFIG_SYS_LBLAWAR7_PRELIM) 321 im->sysconf.lblaw[7].bar = CONFIG_SYS_LBLAWBAR7_PRELIM; 322 im->sysconf.lblaw[7].ar = CONFIG_SYS_LBLAWAR7_PRELIM; 323 #endif 324 #ifdef CONFIG_SYS_GPIO1_PRELIM 325 im->gpio[0].dat = CONFIG_SYS_GPIO1_DAT; 326 im->gpio[0].dir = CONFIG_SYS_GPIO1_DIR; 327 #endif 328 #ifdef CONFIG_SYS_GPIO2_PRELIM 329 im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT; 330 im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR; 331 #endif 332 #if defined(CONFIG_USB_EHCI_FSL) && defined(CONFIG_MPC831x) 333 uint32_t temp; 334 struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR; 335 336 /* Configure interface. */ 337 setbits_be32(&ehci->control, REFSEL_16MHZ | UTMI_PHY_EN); 338 339 /* Wait for clock to stabilize */ 340 do { 341 temp = __raw_readl(&ehci->control); 342 udelay(1000); 343 } while (!(temp & PHY_CLK_VALID)); 344 #endif 345 } 346 347 int cpu_init_r (void) 348 { 349 #ifdef CONFIG_QE 350 uint qe_base = CONFIG_SYS_IMMR + 0x00100000; /* QE immr base */ 351 352 qe_init(qe_base); 353 qe_reset(); 354 #endif 355 return 0; 356 } 357 358 /* 359 * Print out the bus arbiter event 360 */ 361 #if defined(CONFIG_DISPLAY_AER_FULL) 362 static int print_83xx_arb_event(int force) 363 { 364 static char* event[] = { 365 "Address Time Out", 366 "Data Time Out", 367 "Address Only Transfer Type", 368 "External Control Word Transfer Type", 369 "Reserved Transfer Type", 370 "Transfer Error", 371 "reserved", 372 "reserved" 373 }; 374 static char* master[] = { 375 "e300 Core Data Transaction", 376 "reserved", 377 "e300 Core Instruction Fetch", 378 "reserved", 379 "TSEC1", 380 "TSEC2", 381 "USB MPH", 382 "USB DR", 383 "Encryption Core", 384 "I2C Boot Sequencer", 385 "JTAG", 386 "reserved", 387 "eSDHC", 388 "PCI1", 389 "PCI2", 390 "DMA", 391 "QUICC Engine 00", 392 "QUICC Engine 01", 393 "QUICC Engine 10", 394 "QUICC Engine 11", 395 "reserved", 396 "reserved", 397 "reserved", 398 "reserved", 399 "SATA1", 400 "SATA2", 401 "SATA3", 402 "SATA4", 403 "reserved", 404 "PCI Express 1", 405 "PCI Express 2", 406 "TDM-DMAC" 407 }; 408 static char *transfer[] = { 409 "Address-only, Clean Block", 410 "Address-only, lwarx reservation set", 411 "Single-beat or Burst write", 412 "reserved", 413 "Address-only, Flush Block", 414 "reserved", 415 "Burst write", 416 "reserved", 417 "Address-only, sync", 418 "Address-only, tlbsync", 419 "Single-beat or Burst read", 420 "Single-beat or Burst read", 421 "Address-only, Kill Block", 422 "Address-only, icbi", 423 "Burst read", 424 "reserved", 425 "Address-only, eieio", 426 "reserved", 427 "Single-beat write", 428 "reserved", 429 "ecowx - Illegal single-beat write", 430 "reserved", 431 "reserved", 432 "reserved", 433 "Address-only, TLB Invalidate", 434 "reserved", 435 "Single-beat or Burst read", 436 "reserved", 437 "eciwx - Illegal single-beat read", 438 "reserved", 439 "Burst read", 440 "reserved" 441 }; 442 443 int etype = (gd->arbiter_event_attributes & AEATR_EVENT) 444 >> AEATR_EVENT_SHIFT; 445 int mstr_id = (gd->arbiter_event_attributes & AEATR_MSTR_ID) 446 >> AEATR_MSTR_ID_SHIFT; 447 int tbst = (gd->arbiter_event_attributes & AEATR_TBST) 448 >> AEATR_TBST_SHIFT; 449 int tsize = (gd->arbiter_event_attributes & AEATR_TSIZE) 450 >> AEATR_TSIZE_SHIFT; 451 int ttype = (gd->arbiter_event_attributes & AEATR_TTYPE) 452 >> AEATR_TTYPE_SHIFT; 453 454 if (!force && !gd->arbiter_event_address) 455 return 0; 456 457 puts("Arbiter Event Status:\n"); 458 printf(" Event Address: 0x%08lX\n", gd->arbiter_event_address); 459 printf(" Event Type: 0x%1x = %s\n", etype, event[etype]); 460 printf(" Master ID: 0x%02x = %s\n", mstr_id, master[mstr_id]); 461 printf(" Transfer Size: 0x%1x = %d bytes\n", (tbst<<3) | tsize, 462 tbst ? (tsize ? tsize : 8) : 16 + 8 * tsize); 463 printf(" Transfer Type: 0x%02x = %s\n", ttype, transfer[ttype]); 464 465 return gd->arbiter_event_address; 466 } 467 468 #elif defined(CONFIG_DISPLAY_AER_BRIEF) 469 470 static int print_83xx_arb_event(int force) 471 { 472 if (!force && !gd->arbiter_event_address) 473 return 0; 474 475 printf("Arbiter Event Status: AEATR=0x%08lX, AEADR=0x%08lX\n", 476 gd->arbiter_event_attributes, gd->arbiter_event_address); 477 478 return gd->arbiter_event_address; 479 } 480 #endif /* CONFIG_DISPLAY_AER_xxxx */ 481 482 /* 483 * Figure out the cause of the reset 484 */ 485 int prt_83xx_rsr(void) 486 { 487 static struct { 488 ulong mask; 489 char *desc; 490 } bits[] = { 491 { 492 RSR_SWSR, "Software Soft"}, { 493 RSR_SWHR, "Software Hard"}, { 494 RSR_JSRS, "JTAG Soft"}, { 495 RSR_CSHR, "Check Stop"}, { 496 RSR_SWRS, "Software Watchdog"}, { 497 RSR_BMRS, "Bus Monitor"}, { 498 RSR_SRS, "External/Internal Soft"}, { 499 RSR_HRS, "External/Internal Hard"} 500 }; 501 static int n = sizeof bits / sizeof bits[0]; 502 ulong rsr = gd->reset_status; 503 int i; 504 char *sep; 505 506 puts("Reset Status:"); 507 508 sep = " "; 509 for (i = 0; i < n; i++) 510 if (rsr & bits[i].mask) { 511 printf("%s%s", sep, bits[i].desc); 512 sep = ", "; 513 } 514 puts("\n"); 515 516 #if defined(CONFIG_DISPLAY_AER_FULL) || defined(CONFIG_DISPLAY_AER_BRIEF) 517 print_83xx_arb_event(rsr & RSR_BMRS); 518 #endif 519 puts("\n"); 520 521 return 0; 522 } 523