1 /* 2 * Copyright 2007-2008 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 <command.h> 25 #include <pci.h> 26 #include <asm/processor.h> 27 #include <asm/mmu.h> 28 #include <asm/cache.h> 29 #include <asm/immap_85xx.h> 30 #include <asm/immap_fsl_pci.h> 31 #include <asm/fsl_ddr_sdram.h> 32 #include <asm/io.h> 33 #include <miiphy.h> 34 #include <libfdt.h> 35 #include <fdt_support.h> 36 #include <tsec.h> 37 38 #include "../common/pixis.h" 39 #include "../common/sgmii_riser.h" 40 41 long int fixed_sdram(void); 42 43 int checkboard (void) 44 { 45 printf ("Board: MPC8572DS, System ID: 0x%02x, " 46 "System Version: 0x%02x, FPGA Version: 0x%02x\n", 47 in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER), 48 in8(PIXIS_BASE + PIXIS_PVER)); 49 return 0; 50 } 51 52 phys_size_t initdram(int board_type) 53 { 54 phys_size_t dram_size = 0; 55 56 puts("Initializing...."); 57 58 #ifdef CONFIG_SPD_EEPROM 59 dram_size = fsl_ddr_sdram(); 60 #else 61 dram_size = fixed_sdram(); 62 #endif 63 dram_size = setup_ddr_tlbs(dram_size / 0x100000); 64 dram_size *= 0x100000; 65 66 puts(" DDR: "); 67 return dram_size; 68 } 69 70 #if !defined(CONFIG_SPD_EEPROM) 71 /* 72 * Fixed sdram init -- doesn't use serial presence detect. 73 */ 74 75 phys_size_t fixed_sdram (void) 76 { 77 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; 78 volatile ccsr_ddr_t *ddr= &immap->im_ddr; 79 uint d_init; 80 81 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; 82 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG; 83 84 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; 85 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; 86 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; 87 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; 88 ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1; 89 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2; 90 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL; 91 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT; 92 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL; 93 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2; 94 95 #if defined (CONFIG_DDR_ECC) 96 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN; 97 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS; 98 ddr->err_sbe = CONFIG_SYS_DDR_SBE; 99 #endif 100 asm("sync;isync"); 101 102 udelay(500); 103 104 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; 105 106 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 107 d_init = 1; 108 debug("DDR - 1st controller: memory initializing\n"); 109 /* 110 * Poll until memory is initialized. 111 * 512 Meg at 400 might hit this 200 times or so. 112 */ 113 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) { 114 udelay(1000); 115 } 116 debug("DDR: memory initialized\n\n"); 117 asm("sync; isync"); 118 udelay(500); 119 #endif 120 121 return 512 * 1024 * 1024; 122 } 123 124 #endif 125 126 #ifdef CONFIG_PCIE1 127 static struct pci_controller pcie1_hose; 128 #endif 129 130 #ifdef CONFIG_PCIE2 131 static struct pci_controller pcie2_hose; 132 #endif 133 134 #ifdef CONFIG_PCIE3 135 static struct pci_controller pcie3_hose; 136 #endif 137 138 extern int fsl_pci_setup_inbound_windows(struct pci_region *r); 139 extern void fsl_pci_init(struct pci_controller *hose); 140 141 int first_free_busno=0; 142 #ifdef CONFIG_PCI 143 void pci_init_board(void) 144 { 145 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 146 uint devdisr = gur->devdisr; 147 uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; 148 uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; 149 150 debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", 151 devdisr, io_sel, host_agent); 152 153 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)) 154 printf (" eTSEC1 is in sgmii mode.\n"); 155 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) 156 printf (" eTSEC2 is in sgmii mode.\n"); 157 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) 158 printf (" eTSEC3 is in sgmii mode.\n"); 159 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS)) 160 printf (" eTSEC4 is in sgmii mode.\n"); 161 162 163 #ifdef CONFIG_PCIE3 164 { 165 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR; 166 struct pci_controller *hose = &pcie3_hose; 167 int pcie_ep = (host_agent == 0) || (host_agent == 3) || 168 (host_agent == 5) || (host_agent == 6); 169 int pcie_configured = (io_sel == 0x7); 170 struct pci_region *r = hose->regions; 171 u32 temp32; 172 173 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){ 174 printf ("\n PCIE3 connected to ULI as %s (base address %x)", 175 pcie_ep ? "End Point" : "Root Complex", 176 (uint)pci); 177 if (pci->pme_msg_det) { 178 pci->pme_msg_det = 0xffffffff; 179 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det); 180 } 181 printf ("\n"); 182 183 /* inbound */ 184 r += fsl_pci_setup_inbound_windows(r); 185 186 /* outbound memory */ 187 pci_set_region(r++, 188 CONFIG_SYS_PCIE3_MEM_BUS, 189 CONFIG_SYS_PCIE3_MEM_PHYS, 190 CONFIG_SYS_PCIE3_MEM_SIZE, 191 PCI_REGION_MEM); 192 193 /* outbound io */ 194 pci_set_region(r++, 195 CONFIG_SYS_PCIE3_IO_BUS, 196 CONFIG_SYS_PCIE3_IO_PHYS, 197 CONFIG_SYS_PCIE3_IO_SIZE, 198 PCI_REGION_IO); 199 200 hose->region_count = r - hose->regions; 201 hose->first_busno=first_free_busno; 202 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); 203 204 fsl_pci_init(hose); 205 206 first_free_busno=hose->last_busno+1; 207 printf (" PCIE3 on bus %02x - %02x\n", 208 hose->first_busno,hose->last_busno); 209 210 /* 211 * Activate ULI1575 legacy chip by performing a fake 212 * memory access. Needed to make ULI RTC work. 213 * Device 1d has the first on-board memory BAR. 214 */ 215 216 pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0 ), 217 PCI_BASE_ADDRESS_1, &temp32); 218 if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) { 219 void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0), 220 temp32, 4, 0); 221 debug(" uli1572 read to %p\n", p); 222 in_be32(p); 223 } 224 } else { 225 printf (" PCIE3: disabled\n"); 226 } 227 228 } 229 #else 230 gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */ 231 #endif 232 233 #ifdef CONFIG_PCIE2 234 { 235 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR; 236 struct pci_controller *hose = &pcie2_hose; 237 int pcie_ep = (host_agent == 2) || (host_agent == 4) || 238 (host_agent == 6) || (host_agent == 0); 239 int pcie_configured = (io_sel == 0x3) || (io_sel == 0x7); 240 struct pci_region *r = hose->regions; 241 242 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){ 243 printf ("\n PCIE2 connected to Slot 1 as %s (base address %x)", 244 pcie_ep ? "End Point" : "Root Complex", 245 (uint)pci); 246 if (pci->pme_msg_det) { 247 pci->pme_msg_det = 0xffffffff; 248 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det); 249 } 250 printf ("\n"); 251 252 /* inbound */ 253 r += fsl_pci_setup_inbound_windows(r); 254 255 /* outbound memory */ 256 pci_set_region(r++, 257 CONFIG_SYS_PCIE2_MEM_BUS, 258 CONFIG_SYS_PCIE2_MEM_PHYS, 259 CONFIG_SYS_PCIE2_MEM_SIZE, 260 PCI_REGION_MEM); 261 262 /* outbound io */ 263 pci_set_region(r++, 264 CONFIG_SYS_PCIE2_IO_BUS, 265 CONFIG_SYS_PCIE2_IO_PHYS, 266 CONFIG_SYS_PCIE2_IO_SIZE, 267 PCI_REGION_IO); 268 269 hose->region_count = r - hose->regions; 270 hose->first_busno=first_free_busno; 271 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); 272 273 fsl_pci_init(hose); 274 first_free_busno=hose->last_busno+1; 275 printf (" PCIE2 on bus %02x - %02x\n", 276 hose->first_busno,hose->last_busno); 277 278 } else { 279 printf (" PCIE2: disabled\n"); 280 } 281 282 } 283 #else 284 gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */ 285 #endif 286 #ifdef CONFIG_PCIE1 287 { 288 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR; 289 struct pci_controller *hose = &pcie1_hose; 290 int pcie_ep = (host_agent <= 1) || (host_agent == 4) || 291 (host_agent == 5); 292 int pcie_configured = (io_sel == 0x2) || (io_sel == 0x3) || 293 (io_sel == 0x7) || (io_sel == 0xb) || 294 (io_sel == 0xc) || (io_sel == 0xf); 295 struct pci_region *r = hose->regions; 296 297 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ 298 printf ("\n PCIE1 connected to Slot 2 as %s (base address %x)", 299 pcie_ep ? "End Point" : "Root Complex", 300 (uint)pci); 301 if (pci->pme_msg_det) { 302 pci->pme_msg_det = 0xffffffff; 303 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det); 304 } 305 printf ("\n"); 306 307 /* inbound */ 308 r += fsl_pci_setup_inbound_windows(r); 309 310 /* outbound memory */ 311 pci_set_region(r++, 312 CONFIG_SYS_PCIE1_MEM_BUS, 313 CONFIG_SYS_PCIE1_MEM_PHYS, 314 CONFIG_SYS_PCIE1_MEM_SIZE, 315 PCI_REGION_MEM); 316 317 /* outbound io */ 318 pci_set_region(r++, 319 CONFIG_SYS_PCIE1_IO_BUS, 320 CONFIG_SYS_PCIE1_IO_PHYS, 321 CONFIG_SYS_PCIE1_IO_SIZE, 322 PCI_REGION_IO); 323 324 hose->region_count = r - hose->regions; 325 hose->first_busno=first_free_busno; 326 327 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); 328 329 fsl_pci_init(hose); 330 331 first_free_busno=hose->last_busno+1; 332 printf(" PCIE1 on bus %02x - %02x\n", 333 hose->first_busno,hose->last_busno); 334 335 } else { 336 printf (" PCIE1: disabled\n"); 337 } 338 339 } 340 #else 341 gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ 342 #endif 343 } 344 #endif 345 346 int board_early_init_r(void) 347 { 348 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; 349 const u8 flash_esel = 2; 350 351 /* 352 * Remap Boot flash + PROMJET region to caching-inhibited 353 * so that flash can be erased properly. 354 */ 355 356 /* Flush d-cache and invalidate i-cache of any FLASH data */ 357 flush_dcache(); 358 invalidate_icache(); 359 360 /* invalidate existing TLB entry for flash + promjet */ 361 disable_tlb(flash_esel); 362 363 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ 364 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 365 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */ 366 367 return 0; 368 } 369 370 #ifdef CONFIG_GET_CLK_FROM_ICS307 371 /* decode S[0-2] to Output Divider (OD) */ 372 static unsigned char ics307_S_to_OD[] = { 373 10, 2, 8, 4, 5, 7, 3, 6 374 }; 375 376 /* Calculate frequency being generated by ICS307-02 clock chip based upon 377 * the control bytes being programmed into it. */ 378 /* XXX: This function should probably go into a common library */ 379 static unsigned long 380 ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2) 381 { 382 const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ; 383 unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1); 384 unsigned long RDW = cw2 & 0x7F; 385 unsigned long OD = ics307_S_to_OD[cw0 & 0x7]; 386 unsigned long freq; 387 388 /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */ 389 390 /* cw0: C1 C0 TTL F1 F0 S2 S1 S0 391 * cw1: V8 V7 V6 V5 V4 V3 V2 V1 392 * cw2: V0 R6 R5 R4 R3 R2 R1 R0 393 * 394 * R6:R0 = Reference Divider Word (RDW) 395 * V8:V0 = VCO Divider Word (VDW) 396 * S2:S0 = Output Divider Select (OD) 397 * F1:F0 = Function of CLK2 Output 398 * TTL = duty cycle 399 * C1:C0 = internal load capacitance for cyrstal 400 */ 401 402 /* Adding 1 to get a "nicely" rounded number, but this needs 403 * more tweaking to get a "properly" rounded number. */ 404 405 freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD)); 406 407 debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2, 408 freq); 409 return freq; 410 } 411 412 unsigned long get_board_sys_clk(ulong dummy) 413 { 414 return ics307_clk_freq ( 415 in8(PIXIS_BASE + PIXIS_VSYSCLK0), 416 in8(PIXIS_BASE + PIXIS_VSYSCLK1), 417 in8(PIXIS_BASE + PIXIS_VSYSCLK2) 418 ); 419 } 420 421 unsigned long get_board_ddr_clk(ulong dummy) 422 { 423 return ics307_clk_freq ( 424 in8(PIXIS_BASE + PIXIS_VDDRCLK0), 425 in8(PIXIS_BASE + PIXIS_VDDRCLK1), 426 in8(PIXIS_BASE + PIXIS_VDDRCLK2) 427 ); 428 } 429 #else 430 unsigned long get_board_sys_clk(ulong dummy) 431 { 432 u8 i; 433 ulong val = 0; 434 435 i = in8(PIXIS_BASE + PIXIS_SPD); 436 i &= 0x07; 437 438 switch (i) { 439 case 0: 440 val = 33333333; 441 break; 442 case 1: 443 val = 40000000; 444 break; 445 case 2: 446 val = 50000000; 447 break; 448 case 3: 449 val = 66666666; 450 break; 451 case 4: 452 val = 83333333; 453 break; 454 case 5: 455 val = 100000000; 456 break; 457 case 6: 458 val = 133333333; 459 break; 460 case 7: 461 val = 166666666; 462 break; 463 } 464 465 return val; 466 } 467 468 unsigned long get_board_ddr_clk(ulong dummy) 469 { 470 u8 i; 471 ulong val = 0; 472 473 i = in8(PIXIS_BASE + PIXIS_SPD); 474 i &= 0x38; 475 i >>= 3; 476 477 switch (i) { 478 case 0: 479 val = 33333333; 480 break; 481 case 1: 482 val = 40000000; 483 break; 484 case 2: 485 val = 50000000; 486 break; 487 case 3: 488 val = 66666666; 489 break; 490 case 4: 491 val = 83333333; 492 break; 493 case 5: 494 val = 100000000; 495 break; 496 case 6: 497 val = 133333333; 498 break; 499 case 7: 500 val = 166666666; 501 break; 502 } 503 return val; 504 } 505 #endif 506 507 #ifdef CONFIG_TSEC_ENET 508 int board_eth_init(bd_t *bis) 509 { 510 struct tsec_info_struct tsec_info[4]; 511 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 512 int num = 0; 513 514 #ifdef CONFIG_TSEC1 515 SET_STD_TSEC_INFO(tsec_info[num], 1); 516 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)) 517 tsec_info[num].flags |= TSEC_SGMII; 518 num++; 519 #endif 520 #ifdef CONFIG_TSEC2 521 SET_STD_TSEC_INFO(tsec_info[num], 2); 522 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) 523 tsec_info[num].flags |= TSEC_SGMII; 524 num++; 525 #endif 526 #ifdef CONFIG_TSEC3 527 SET_STD_TSEC_INFO(tsec_info[num], 3); 528 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) 529 tsec_info[num].flags |= TSEC_SGMII; 530 num++; 531 #endif 532 #ifdef CONFIG_TSEC4 533 SET_STD_TSEC_INFO(tsec_info[num], 4); 534 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS)) 535 tsec_info[num].flags |= TSEC_SGMII; 536 num++; 537 #endif 538 539 if (!num) { 540 printf("No TSECs initialized\n"); 541 542 return 0; 543 } 544 545 #ifdef CONFIG_FSL_SGMII_RISER 546 fsl_sgmii_riser_init(tsec_info, num); 547 #endif 548 549 tsec_eth_init(bis, tsec_info, num); 550 551 return 0; 552 } 553 #endif 554 555 #if defined(CONFIG_OF_BOARD_SETUP) 556 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias, 557 struct pci_controller *hose); 558 559 void ft_board_setup(void *blob, bd_t *bd) 560 { 561 phys_addr_t base; 562 phys_size_t size; 563 564 ft_cpu_setup(blob, bd); 565 566 base = getenv_bootm_low(); 567 size = getenv_bootm_size(); 568 569 fdt_fixup_memory(blob, (u64)base, (u64)size); 570 571 #ifdef CONFIG_PCIE3 572 ft_fsl_pci_setup(blob, "pci0", &pcie3_hose); 573 #endif 574 #ifdef CONFIG_PCIE2 575 ft_fsl_pci_setup(blob, "pci1", &pcie2_hose); 576 #endif 577 #ifdef CONFIG_PCIE1 578 ft_fsl_pci_setup(blob, "pci2", &pcie1_hose); 579 #endif 580 #ifdef CONFIG_FSL_SGMII_RISER 581 fsl_sgmii_riser_fdt_fixup(blob); 582 #endif 583 } 584 #endif 585 586 #ifdef CONFIG_MP 587 extern void cpu_mp_lmb_reserve(struct lmb *lmb); 588 589 void board_lmb_reserve(struct lmb *lmb) 590 { 591 cpu_mp_lmb_reserve(lmb); 592 } 593 #endif 594