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_DDRCDR /* DDR control driver register */ 272 __raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr); 273 #endif 274 #ifdef CONFIG_SYS_OBIR /* Output buffer impedance register */ 275 __raw_writel(CONFIG_SYS_OBIR, &im->sysconf.obir); 276 #endif 277 278 #ifdef CONFIG_QE 279 /* Config QE ioports */ 280 config_qe_ioports(); 281 #endif 282 /* Set up preliminary BR/OR regs */ 283 init_early_memctl_regs(); 284 285 /* Local Access window setup */ 286 #if defined(CONFIG_SYS_LBLAWBAR0_PRELIM) && defined(CONFIG_SYS_LBLAWAR0_PRELIM) 287 im->sysconf.lblaw[0].bar = CONFIG_SYS_LBLAWBAR0_PRELIM; 288 im->sysconf.lblaw[0].ar = CONFIG_SYS_LBLAWAR0_PRELIM; 289 #else 290 #error CONFIG_SYS_LBLAWBAR0_PRELIM & CONFIG_SYS_LBLAWAR0_PRELIM must be defined 291 #endif 292 293 #if defined(CONFIG_SYS_LBLAWBAR1_PRELIM) && defined(CONFIG_SYS_LBLAWAR1_PRELIM) 294 im->sysconf.lblaw[1].bar = CONFIG_SYS_LBLAWBAR1_PRELIM; 295 im->sysconf.lblaw[1].ar = CONFIG_SYS_LBLAWAR1_PRELIM; 296 #endif 297 #if defined(CONFIG_SYS_LBLAWBAR2_PRELIM) && defined(CONFIG_SYS_LBLAWAR2_PRELIM) 298 im->sysconf.lblaw[2].bar = CONFIG_SYS_LBLAWBAR2_PRELIM; 299 im->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2_PRELIM; 300 #endif 301 #if defined(CONFIG_SYS_LBLAWBAR3_PRELIM) && defined(CONFIG_SYS_LBLAWAR3_PRELIM) 302 im->sysconf.lblaw[3].bar = CONFIG_SYS_LBLAWBAR3_PRELIM; 303 im->sysconf.lblaw[3].ar = CONFIG_SYS_LBLAWAR3_PRELIM; 304 #endif 305 #if defined(CONFIG_SYS_LBLAWBAR4_PRELIM) && defined(CONFIG_SYS_LBLAWAR4_PRELIM) 306 im->sysconf.lblaw[4].bar = CONFIG_SYS_LBLAWBAR4_PRELIM; 307 im->sysconf.lblaw[4].ar = CONFIG_SYS_LBLAWAR4_PRELIM; 308 #endif 309 #if defined(CONFIG_SYS_LBLAWBAR5_PRELIM) && defined(CONFIG_SYS_LBLAWAR5_PRELIM) 310 im->sysconf.lblaw[5].bar = CONFIG_SYS_LBLAWBAR5_PRELIM; 311 im->sysconf.lblaw[5].ar = CONFIG_SYS_LBLAWAR5_PRELIM; 312 #endif 313 #if defined(CONFIG_SYS_LBLAWBAR6_PRELIM) && defined(CONFIG_SYS_LBLAWAR6_PRELIM) 314 im->sysconf.lblaw[6].bar = CONFIG_SYS_LBLAWBAR6_PRELIM; 315 im->sysconf.lblaw[6].ar = CONFIG_SYS_LBLAWAR6_PRELIM; 316 #endif 317 #if defined(CONFIG_SYS_LBLAWBAR7_PRELIM) && defined(CONFIG_SYS_LBLAWAR7_PRELIM) 318 im->sysconf.lblaw[7].bar = CONFIG_SYS_LBLAWBAR7_PRELIM; 319 im->sysconf.lblaw[7].ar = CONFIG_SYS_LBLAWAR7_PRELIM; 320 #endif 321 #ifdef CONFIG_SYS_GPIO1_PRELIM 322 im->gpio[0].dat = CONFIG_SYS_GPIO1_DAT; 323 im->gpio[0].dir = CONFIG_SYS_GPIO1_DIR; 324 #endif 325 #ifdef CONFIG_SYS_GPIO2_PRELIM 326 im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT; 327 im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR; 328 #endif 329 #if defined(CONFIG_USB_EHCI_FSL) && defined(CONFIG_MPC831x) 330 uint32_t temp; 331 struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB_ADDR; 332 333 /* Configure interface. */ 334 setbits_be32(&ehci->control, REFSEL_16MHZ | UTMI_PHY_EN); 335 336 /* Wait for clock to stabilize */ 337 do { 338 temp = __raw_readl(&ehci->control); 339 udelay(1000); 340 } while (!(temp & PHY_CLK_VALID)); 341 #endif 342 } 343 344 int cpu_init_r (void) 345 { 346 #ifdef CONFIG_QE 347 uint qe_base = CONFIG_SYS_IMMR + 0x00100000; /* QE immr base */ 348 349 qe_init(qe_base); 350 qe_reset(); 351 #endif 352 return 0; 353 } 354 355 /* 356 * Print out the bus arbiter event 357 */ 358 #if defined(CONFIG_DISPLAY_AER_FULL) 359 static int print_83xx_arb_event(int force) 360 { 361 static char* event[] = { 362 "Address Time Out", 363 "Data Time Out", 364 "Address Only Transfer Type", 365 "External Control Word Transfer Type", 366 "Reserved Transfer Type", 367 "Transfer Error", 368 "reserved", 369 "reserved" 370 }; 371 static char* master[] = { 372 "e300 Core Data Transaction", 373 "reserved", 374 "e300 Core Instruction Fetch", 375 "reserved", 376 "TSEC1", 377 "TSEC2", 378 "USB MPH", 379 "USB DR", 380 "Encryption Core", 381 "I2C Boot Sequencer", 382 "JTAG", 383 "reserved", 384 "eSDHC", 385 "PCI1", 386 "PCI2", 387 "DMA", 388 "QUICC Engine 00", 389 "QUICC Engine 01", 390 "QUICC Engine 10", 391 "QUICC Engine 11", 392 "reserved", 393 "reserved", 394 "reserved", 395 "reserved", 396 "SATA1", 397 "SATA2", 398 "SATA3", 399 "SATA4", 400 "reserved", 401 "PCI Express 1", 402 "PCI Express 2", 403 "TDM-DMAC" 404 }; 405 static char *transfer[] = { 406 "Address-only, Clean Block", 407 "Address-only, lwarx reservation set", 408 "Single-beat or Burst write", 409 "reserved", 410 "Address-only, Flush Block", 411 "reserved", 412 "Burst write", 413 "reserved", 414 "Address-only, sync", 415 "Address-only, tlbsync", 416 "Single-beat or Burst read", 417 "Single-beat or Burst read", 418 "Address-only, Kill Block", 419 "Address-only, icbi", 420 "Burst read", 421 "reserved", 422 "Address-only, eieio", 423 "reserved", 424 "Single-beat write", 425 "reserved", 426 "ecowx - Illegal single-beat write", 427 "reserved", 428 "reserved", 429 "reserved", 430 "Address-only, TLB Invalidate", 431 "reserved", 432 "Single-beat or Burst read", 433 "reserved", 434 "eciwx - Illegal single-beat read", 435 "reserved", 436 "Burst read", 437 "reserved" 438 }; 439 440 int etype = (gd->arbiter_event_attributes & AEATR_EVENT) 441 >> AEATR_EVENT_SHIFT; 442 int mstr_id = (gd->arbiter_event_attributes & AEATR_MSTR_ID) 443 >> AEATR_MSTR_ID_SHIFT; 444 int tbst = (gd->arbiter_event_attributes & AEATR_TBST) 445 >> AEATR_TBST_SHIFT; 446 int tsize = (gd->arbiter_event_attributes & AEATR_TSIZE) 447 >> AEATR_TSIZE_SHIFT; 448 int ttype = (gd->arbiter_event_attributes & AEATR_TTYPE) 449 >> AEATR_TTYPE_SHIFT; 450 451 if (!force && !gd->arbiter_event_address) 452 return 0; 453 454 puts("Arbiter Event Status:\n"); 455 printf(" Event Address: 0x%08lX\n", gd->arbiter_event_address); 456 printf(" Event Type: 0x%1x = %s\n", etype, event[etype]); 457 printf(" Master ID: 0x%02x = %s\n", mstr_id, master[mstr_id]); 458 printf(" Transfer Size: 0x%1x = %d bytes\n", (tbst<<3) | tsize, 459 tbst ? (tsize ? tsize : 8) : 16 + 8 * tsize); 460 printf(" Transfer Type: 0x%02x = %s\n", ttype, transfer[ttype]); 461 462 return gd->arbiter_event_address; 463 } 464 465 #elif defined(CONFIG_DISPLAY_AER_BRIEF) 466 467 static int print_83xx_arb_event(int force) 468 { 469 if (!force && !gd->arbiter_event_address) 470 return 0; 471 472 printf("Arbiter Event Status: AEATR=0x%08lX, AEADR=0x%08lX\n", 473 gd->arbiter_event_attributes, gd->arbiter_event_address); 474 475 return gd->arbiter_event_address; 476 } 477 #endif /* CONFIG_DISPLAY_AER_xxxx */ 478 479 /* 480 * Figure out the cause of the reset 481 */ 482 int prt_83xx_rsr(void) 483 { 484 static struct { 485 ulong mask; 486 char *desc; 487 } bits[] = { 488 { 489 RSR_SWSR, "Software Soft"}, { 490 RSR_SWHR, "Software Hard"}, { 491 RSR_JSRS, "JTAG Soft"}, { 492 RSR_CSHR, "Check Stop"}, { 493 RSR_SWRS, "Software Watchdog"}, { 494 RSR_BMRS, "Bus Monitor"}, { 495 RSR_SRS, "External/Internal Soft"}, { 496 RSR_HRS, "External/Internal Hard"} 497 }; 498 static int n = sizeof bits / sizeof bits[0]; 499 ulong rsr = gd->reset_status; 500 int i; 501 char *sep; 502 503 puts("Reset Status:"); 504 505 sep = " "; 506 for (i = 0; i < n; i++) 507 if (rsr & bits[i].mask) { 508 printf("%s%s", sep, bits[i].desc); 509 sep = ", "; 510 } 511 puts("\n"); 512 513 #if defined(CONFIG_DISPLAY_AER_FULL) || defined(CONFIG_DISPLAY_AER_BRIEF) 514 print_83xx_arb_event(rsr & RSR_BMRS); 515 #endif 516 puts("\n"); 517 518 return 0; 519 } 520