1 /* 2 * Copyright 2008-2010 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/fsl_pci.h> 31 #include <asm/fsl_ddr_sdram.h> 32 #include <asm/io.h> 33 #include <asm/fsl_serdes.h> 34 #include <spd.h> 35 #include <miiphy.h> 36 #include <libfdt.h> 37 #include <spd_sdram.h> 38 #include <fdt_support.h> 39 #include <tsec.h> 40 #include <netdev.h> 41 #include <sata.h> 42 43 #include "../common/sgmii_riser.h" 44 45 phys_size_t fixed_sdram(void); 46 47 int board_early_init_f (void) 48 { 49 #ifdef CONFIG_MMC 50 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 51 52 setbits_be32(&gur->pmuxcr, 53 (MPC85xx_PMUXCR_SD_DATA | 54 MPC85xx_PMUXCR_SDHC_CD | 55 MPC85xx_PMUXCR_SDHC_WP)); 56 57 #endif 58 return 0; 59 } 60 61 int checkboard (void) 62 { 63 u8 vboot; 64 u8 *pixis_base = (u8 *)PIXIS_BASE; 65 66 puts("Board: MPC8536DS "); 67 #ifdef CONFIG_PHYS_64BIT 68 puts("(36-bit addrmap) "); 69 #endif 70 71 printf ("Sys ID: 0x%02x, " 72 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", 73 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER), 74 in_8(pixis_base + PIXIS_PVER)); 75 76 vboot = in_8(pixis_base + PIXIS_VBOOT); 77 switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) { 78 case PIXIS_VBOOT_LBMAP_NOR0: 79 puts ("vBank: 0\n"); 80 break; 81 case PIXIS_VBOOT_LBMAP_NOR1: 82 puts ("vBank: 1\n"); 83 break; 84 case PIXIS_VBOOT_LBMAP_NOR2: 85 puts ("vBank: 2\n"); 86 break; 87 case PIXIS_VBOOT_LBMAP_NOR3: 88 puts ("vBank: 3\n"); 89 break; 90 case PIXIS_VBOOT_LBMAP_PJET: 91 puts ("Promjet\n"); 92 break; 93 case PIXIS_VBOOT_LBMAP_NAND: 94 puts ("NAND\n"); 95 break; 96 } 97 98 return 0; 99 } 100 101 phys_size_t 102 initdram(int board_type) 103 { 104 phys_size_t dram_size = 0; 105 106 puts("Initializing...."); 107 108 #ifdef CONFIG_SPD_EEPROM 109 dram_size = fsl_ddr_sdram(); 110 #else 111 dram_size = fixed_sdram(); 112 #endif 113 dram_size = setup_ddr_tlbs(dram_size / 0x100000); 114 dram_size *= 0x100000; 115 116 puts(" DDR: "); 117 return dram_size; 118 } 119 120 #if !defined(CONFIG_SPD_EEPROM) 121 /* 122 * Fixed sdram init -- doesn't use serial presence detect. 123 */ 124 125 phys_size_t fixed_sdram (void) 126 { 127 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; 128 volatile ccsr_ddr_t *ddr= &immap->im_ddr; 129 uint d_init; 130 131 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; 132 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG; 133 134 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; 135 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; 136 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; 137 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; 138 ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1; 139 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2; 140 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL; 141 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT; 142 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL; 143 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2; 144 145 #if defined (CONFIG_DDR_ECC) 146 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN; 147 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS; 148 ddr->err_sbe = CONFIG_SYS_DDR_SBE; 149 #endif 150 asm("sync;isync"); 151 152 udelay(500); 153 154 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; 155 156 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 157 d_init = 1; 158 debug("DDR - 1st controller: memory initializing\n"); 159 /* 160 * Poll until memory is initialized. 161 * 512 Meg at 400 might hit this 200 times or so. 162 */ 163 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) { 164 udelay(1000); 165 } 166 debug("DDR: memory initialized\n\n"); 167 asm("sync; isync"); 168 udelay(500); 169 #endif 170 171 return 512 * 1024 * 1024; 172 } 173 174 #endif 175 176 #ifdef CONFIG_PCI1 177 static struct pci_controller pci1_hose; 178 #endif 179 180 #ifdef CONFIG_PCIE1 181 static struct pci_controller pcie1_hose; 182 #endif 183 184 #ifdef CONFIG_PCIE2 185 static struct pci_controller pcie2_hose; 186 #endif 187 188 #ifdef CONFIG_PCIE3 189 static struct pci_controller pcie3_hose; 190 #endif 191 192 #ifdef CONFIG_PCI 193 void pci_init_board(void) 194 { 195 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 196 struct fsl_pci_info pci_info[4]; 197 u32 devdisr, pordevsr, io_sel, sdrs2_io_sel; 198 u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel; 199 int first_free_busno = 0; 200 int num = 0; 201 202 int pcie_ep, pcie_configured; 203 204 devdisr = in_be32(&gur->devdisr); 205 pordevsr = in_be32(&gur->pordevsr); 206 porpllsr = in_be32(&gur->porpllsr); 207 io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; 208 sdrs2_io_sel = (pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27; 209 210 debug(" pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x\n", 211 devdisr, sdrs2_io_sel, io_sel); 212 213 if (sdrs2_io_sel == 7) 214 printf(" Serdes2 disalbed\n"); 215 else if (sdrs2_io_sel == 4) { 216 printf(" eTSEC1 is in sgmii mode.\n"); 217 printf(" eTSEC3 is in sgmii mode.\n"); 218 } else if (sdrs2_io_sel == 6) 219 printf(" eTSEC1 is in sgmii mode.\n"); 220 221 puts("\n"); 222 #ifdef CONFIG_PCIE3 223 pcie_configured = is_serdes_configured(PCIE3); 224 225 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){ 226 set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M, 227 LAW_TRGT_IF_PCIE_3); 228 set_next_law(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K, 229 LAW_TRGT_IF_PCIE_3); 230 SET_STD_PCIE_INFO(pci_info[num], 3); 231 pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs); 232 printf (" PCIE3 connected to Slot3 as %s (base address %lx)\n", 233 pcie_ep ? "Endpoint" : "Root Complex", 234 pci_info[num].regs); 235 first_free_busno = fsl_pci_init_port(&pci_info[num++], 236 &pcie3_hose, first_free_busno); 237 } else { 238 printf (" PCIE3: disabled\n"); 239 } 240 241 puts("\n"); 242 #else 243 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */ 244 #endif 245 246 #ifdef CONFIG_PCIE1 247 pcie_configured = is_serdes_configured(PCIE1); 248 249 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ 250 set_next_law(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_128M, 251 LAW_TRGT_IF_PCIE_1); 252 set_next_law(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K, 253 LAW_TRGT_IF_PCIE_1); 254 SET_STD_PCIE_INFO(pci_info[num], 1); 255 pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs); 256 printf (" PCIE1 connected to Slot1 as %s (base address %lx)\n", 257 pcie_ep ? "Endpoint" : "Root Complex", 258 pci_info[num].regs); 259 first_free_busno = fsl_pci_init_port(&pci_info[num++], 260 &pcie1_hose, first_free_busno); 261 } else { 262 printf (" PCIE1: disabled\n"); 263 } 264 265 puts("\n"); 266 #else 267 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */ 268 #endif 269 270 #ifdef CONFIG_PCIE2 271 pcie_configured = is_serdes_configured(PCIE2); 272 273 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){ 274 set_next_law(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_128M, 275 LAW_TRGT_IF_PCIE_2); 276 set_next_law(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K, 277 LAW_TRGT_IF_PCIE_2); 278 SET_STD_PCIE_INFO(pci_info[num], 2); 279 pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs); 280 printf (" PCIE2 connected to Slot 2 as %s (base address %lx)\n", 281 pcie_ep ? "Endpoint" : "Root Complex", 282 pci_info[num].regs); 283 first_free_busno = fsl_pci_init_port(&pci_info[num++], 284 &pcie2_hose, first_free_busno); 285 } else { 286 printf (" PCIE2: disabled\n"); 287 } 288 289 puts("\n"); 290 #else 291 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */ 292 #endif 293 294 #ifdef CONFIG_PCI1 295 pci_speed = 66666000; 296 pci_32 = 1; 297 pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; 298 pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; 299 300 if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { 301 set_next_law(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_256M, 302 LAW_TRGT_IF_PCI); 303 set_next_law(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_64K, 304 LAW_TRGT_IF_PCI); 305 SET_STD_PCI_INFO(pci_info[num], 1); 306 pci_agent = fsl_setup_hose(&pci1_hose, pci_info[num].regs); 307 printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n", 308 (pci_32) ? 32 : 64, 309 (pci_speed == 33333000) ? "33" : 310 (pci_speed == 66666000) ? "66" : "unknown", 311 pci_clk_sel ? "sync" : "async", 312 pci_agent ? "agent" : "host", 313 pci_arb ? "arbiter" : "external-arbiter", 314 pci_info[num].regs); 315 316 first_free_busno = fsl_pci_init_port(&pci_info[num++], 317 &pci1_hose, first_free_busno); 318 } else { 319 printf (" PCI: disabled\n"); 320 } 321 322 puts("\n"); 323 #else 324 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */ 325 #endif 326 } 327 #endif 328 329 int board_early_init_r(void) 330 { 331 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; 332 const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); 333 334 /* 335 * Remap Boot flash + PROMJET region to caching-inhibited 336 * so that flash can be erased properly. 337 */ 338 339 /* Flush d-cache and invalidate i-cache of any FLASH data */ 340 flush_dcache(); 341 invalidate_icache(); 342 343 /* invalidate existing TLB entry for flash + promjet */ 344 disable_tlb(flash_esel); 345 346 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ 347 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 348 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */ 349 350 return 0; 351 } 352 353 #ifdef CONFIG_GET_CLK_FROM_ICS307 354 /* decode S[0-2] to Output Divider (OD) */ 355 static unsigned char 356 ics307_S_to_OD[] = { 357 10, 2, 8, 4, 5, 7, 3, 6 358 }; 359 360 /* Calculate frequency being generated by ICS307-02 clock chip based upon 361 * the control bytes being programmed into it. */ 362 /* XXX: This function should probably go into a common library */ 363 static unsigned long 364 ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2) 365 { 366 const unsigned long long InputFrequency = CONFIG_ICS307_REFCLK_HZ; 367 unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1); 368 unsigned long RDW = cw2 & 0x7F; 369 unsigned long OD = ics307_S_to_OD[cw0 & 0x7]; 370 unsigned long freq; 371 372 /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */ 373 374 /* cw0: C1 C0 TTL F1 F0 S2 S1 S0 375 * cw1: V8 V7 V6 V5 V4 V3 V2 V1 376 * cw2: V0 R6 R5 R4 R3 R2 R1 R0 377 * 378 * R6:R0 = Reference Divider Word (RDW) 379 * V8:V0 = VCO Divider Word (VDW) 380 * S2:S0 = Output Divider Select (OD) 381 * F1:F0 = Function of CLK2 Output 382 * TTL = duty cycle 383 * C1:C0 = internal load capacitance for cyrstal 384 */ 385 386 /* Adding 1 to get a "nicely" rounded number, but this needs 387 * more tweaking to get a "properly" rounded number. */ 388 389 freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD)); 390 391 debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2, 392 freq); 393 return freq; 394 } 395 396 unsigned long 397 get_board_sys_clk(ulong dummy) 398 { 399 u8 *pixis_base = (u8 *)PIXIS_BASE; 400 401 return ics307_clk_freq ( 402 in_8(pixis_base + PIXIS_VSYSCLK0), 403 in_8(pixis_base + PIXIS_VSYSCLK1), 404 in_8(pixis_base + PIXIS_VSYSCLK2) 405 ); 406 } 407 408 unsigned long 409 get_board_ddr_clk(ulong dummy) 410 { 411 u8 *pixis_base = (u8 *)PIXIS_BASE; 412 413 return ics307_clk_freq ( 414 in_8(pixis_base + PIXIS_VDDRCLK0), 415 in_8(pixis_base + PIXIS_VDDRCLK1), 416 in_8(pixis_base + PIXIS_VDDRCLK2) 417 ); 418 } 419 #else 420 unsigned long 421 get_board_sys_clk(ulong dummy) 422 { 423 u8 i; 424 ulong val = 0; 425 u8 *pixis_base = (u8 *)PIXIS_BASE; 426 427 i = in_8(pixis_base + PIXIS_SPD); 428 i &= 0x07; 429 430 switch (i) { 431 case 0: 432 val = 33333333; 433 break; 434 case 1: 435 val = 40000000; 436 break; 437 case 2: 438 val = 50000000; 439 break; 440 case 3: 441 val = 66666666; 442 break; 443 case 4: 444 val = 83333333; 445 break; 446 case 5: 447 val = 100000000; 448 break; 449 case 6: 450 val = 133333333; 451 break; 452 case 7: 453 val = 166666666; 454 break; 455 } 456 457 return val; 458 } 459 460 unsigned long 461 get_board_ddr_clk(ulong dummy) 462 { 463 u8 i; 464 ulong val = 0; 465 u8 *pixis_base = (u8 *)PIXIS_BASE; 466 467 i = in_8(pixis_base + PIXIS_SPD); 468 i &= 0x38; 469 i >>= 3; 470 471 switch (i) { 472 case 0: 473 val = 33333333; 474 break; 475 case 1: 476 val = 40000000; 477 break; 478 case 2: 479 val = 50000000; 480 break; 481 case 3: 482 val = 66666666; 483 break; 484 case 4: 485 val = 83333333; 486 break; 487 case 5: 488 val = 100000000; 489 break; 490 case 6: 491 val = 133333333; 492 break; 493 case 7: 494 val = 166666666; 495 break; 496 } 497 return val; 498 } 499 #endif 500 501 int board_eth_init(bd_t *bis) 502 { 503 #ifdef CONFIG_TSEC_ENET 504 struct tsec_info_struct tsec_info[2]; 505 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 506 int num = 0; 507 uint sdrs2_io_sel = 508 (gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27; 509 510 #ifdef CONFIG_TSEC1 511 SET_STD_TSEC_INFO(tsec_info[num], 1); 512 if ((sdrs2_io_sel == 4) || (sdrs2_io_sel == 6)) { 513 tsec_info[num].phyaddr = 0; 514 tsec_info[num].flags |= TSEC_SGMII; 515 } 516 num++; 517 #endif 518 #ifdef CONFIG_TSEC3 519 SET_STD_TSEC_INFO(tsec_info[num], 3); 520 if (sdrs2_io_sel == 4) { 521 tsec_info[num].phyaddr = 1; 522 tsec_info[num].flags |= TSEC_SGMII; 523 } 524 num++; 525 #endif 526 527 if (!num) { 528 printf("No TSECs initialized\n"); 529 return 0; 530 } 531 532 #ifdef CONFIG_FSL_SGMII_RISER 533 if ((sdrs2_io_sel == 4) || (sdrs2_io_sel == 6)) 534 fsl_sgmii_riser_init(tsec_info, num); 535 #endif 536 537 tsec_eth_init(bis, tsec_info, num); 538 #endif 539 return pci_eth_init(bis); 540 } 541 542 #if defined(CONFIG_OF_BOARD_SETUP) 543 void ft_board_setup(void *blob, bd_t *bd) 544 { 545 ft_cpu_setup(blob, bd); 546 547 #ifdef CONFIG_PCI1 548 ft_fsl_pci_setup(blob, "pci0", &pci1_hose); 549 #else 550 ft_fsl_pci_setup(blob, "pci0", NULL); 551 #endif 552 #ifdef CONFIG_PCIE2 553 ft_fsl_pci_setup(blob, "pci1", &pcie2_hose); 554 #else 555 ft_fsl_pci_setup(blob, "pci1", NULL); 556 #endif 557 #ifdef CONFIG_PCIE2 558 ft_fsl_pci_setup(blob, "pci2", &pcie1_hose); 559 #else 560 ft_fsl_pci_setup(blob, "pci2", NULL); 561 #endif 562 #ifdef CONFIG_PCIE1 563 ft_fsl_pci_setup(blob, "pci3", &pcie3_hose); 564 #else 565 ft_fsl_pci_setup(blob, "pci3", NULL); 566 #endif 567 #ifdef CONFIG_FSL_SGMII_RISER 568 fsl_sgmii_riser_fdt_fixup(blob); 569 #endif 570 } 571 #endif 572