1 /* 2 * Copyright 2007 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/immap_86xx.h> 28 #include <asm/immap_fsl_pci.h> 29 #include <asm/fsl_ddr_sdram.h> 30 #include <i2c.h> 31 #include <asm/io.h> 32 #include <libfdt.h> 33 #include <fdt_support.h> 34 #include <spd_sdram.h> 35 #include <netdev.h> 36 37 #include "../common/pixis.h" 38 39 void sdram_init(void); 40 phys_size_t fixed_sdram(void); 41 void mpc8610hpcd_diu_init(void); 42 43 44 /* called before any console output */ 45 int board_early_init_f(void) 46 { 47 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; 48 volatile ccsr_gur_t *gur = &immap->im_gur; 49 50 gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */ 51 52 return 0; 53 } 54 55 int misc_init_r(void) 56 { 57 u8 tmp_val, version; 58 59 /*Do not use 8259PIC*/ 60 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0); 61 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x80); 62 63 /*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/ 64 version = in8(PIXIS_BASE + PIXIS_PVER); 65 if(version >= 0x07) { 66 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0); 67 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xbf); 68 } 69 70 /* Using this for DIU init before the driver in linux takes over 71 * Enable the TFP410 Encoder (I2C address 0x38) 72 */ 73 74 tmp_val = 0xBF; 75 i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val)); 76 /* Verify if enabled */ 77 tmp_val = 0; 78 i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val)); 79 debug("DVI Encoder Read: 0x%02lx\n",tmp_val); 80 81 tmp_val = 0x10; 82 i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); 83 /* Verify if enabled */ 84 tmp_val = 0; 85 i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); 86 debug("DVI Encoder Read: 0x%02lx\n",tmp_val); 87 88 #ifdef CONFIG_FSL_DIU_FB 89 mpc8610hpcd_diu_init(); 90 #endif 91 92 return 0; 93 } 94 95 int checkboard(void) 96 { 97 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; 98 volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm; 99 100 printf ("Board: MPC8610HPCD, System ID: 0x%02x, " 101 "System Version: 0x%02x, FPGA Version: 0x%02x\n", 102 in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER), 103 in8(PIXIS_BASE + PIXIS_PVER)); 104 105 mcm->abcr |= 0x00010000; /* 0 */ 106 mcm->hpmr3 = 0x80000008; /* 4c */ 107 mcm->hpmr0 = 0; 108 mcm->hpmr1 = 0; 109 mcm->hpmr2 = 0; 110 mcm->hpmr4 = 0; 111 mcm->hpmr5 = 0; 112 113 return 0; 114 } 115 116 117 phys_size_t 118 initdram(int board_type) 119 { 120 phys_size_t dram_size = 0; 121 122 #if defined(CONFIG_SPD_EEPROM) 123 dram_size = fsl_ddr_sdram(); 124 #else 125 dram_size = fixed_sdram(); 126 #endif 127 128 #if defined(CONFIG_SYS_RAMBOOT) 129 puts(" DDR: "); 130 return dram_size; 131 #endif 132 133 puts(" DDR: "); 134 return dram_size; 135 } 136 137 138 #if !defined(CONFIG_SPD_EEPROM) 139 /* 140 * Fixed sdram init -- doesn't use serial presence detect. 141 */ 142 143 phys_size_t fixed_sdram(void) 144 { 145 #if !defined(CONFIG_SYS_RAMBOOT) 146 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; 147 volatile ccsr_ddr_t *ddr = &immap->im_ddr1; 148 uint d_init; 149 150 ddr->cs0_bnds = 0x0000001f; 151 ddr->cs0_config = 0x80010202; 152 153 ddr->timing_cfg_3 = 0x00000000; 154 ddr->timing_cfg_0 = 0x00260802; 155 ddr->timing_cfg_1 = 0x3935d322; 156 ddr->timing_cfg_2 = 0x14904cc8; 157 ddr->sdram_mode_1 = 0x00480432; 158 ddr->sdram_mode_2 = 0x00000000; 159 ddr->sdram_interval = 0x06180fff; /* 0x06180100; */ 160 ddr->sdram_data_init = 0xDEADBEEF; 161 ddr->sdram_clk_cntl = 0x03800000; 162 ddr->sdram_cfg_2 = 0x04400010; 163 164 #if defined(CONFIG_DDR_ECC) 165 ddr->err_int_en = 0x0000000d; 166 ddr->err_disable = 0x00000000; 167 ddr->err_sbe = 0x00010000; 168 #endif 169 asm("sync;isync"); 170 171 udelay(500); 172 173 ddr->sdram_cfg_1 = 0xc3000000; /* 0xe3008000;*/ 174 175 176 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 177 d_init = 1; 178 debug("DDR - 1st controller: memory initializing\n"); 179 /* 180 * Poll until memory is initialized. 181 * 512 Meg at 400 might hit this 200 times or so. 182 */ 183 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) 184 udelay(1000); 185 186 debug("DDR: memory initialized\n\n"); 187 asm("sync; isync"); 188 udelay(500); 189 #endif 190 191 return 512 * 1024 * 1024; 192 #endif 193 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; 194 } 195 196 #endif 197 198 #if defined(CONFIG_PCI) 199 /* 200 * Initialize PCI Devices, report devices found. 201 */ 202 203 #ifndef CONFIG_PCI_PNP 204 static struct pci_config_table pci_fsl86xxads_config_table[] = { 205 {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 206 PCI_IDSEL_NUMBER, PCI_ANY_ID, 207 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, 208 PCI_ENET0_MEMADDR, 209 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} }, 210 {} 211 }; 212 #endif 213 214 215 static struct pci_controller pci1_hose = { 216 #ifndef CONFIG_PCI_PNP 217 config_table:pci_mpc86xxcts_config_table 218 #endif 219 }; 220 #endif /* CONFIG_PCI */ 221 222 #ifdef CONFIG_PCIE1 223 static struct pci_controller pcie1_hose; 224 #endif 225 226 #ifdef CONFIG_PCIE2 227 static struct pci_controller pcie2_hose; 228 #endif 229 230 int first_free_busno = 0; 231 232 extern int fsl_pci_setup_inbound_windows(struct pci_region *r); 233 extern void fsl_pci_init(struct pci_controller *hose); 234 235 void pci_init_board(void) 236 { 237 volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR; 238 volatile ccsr_gur_t *gur = &immap->im_gur; 239 uint devdisr = gur->devdisr; 240 uint io_sel = (gur->pordevsr & MPC8610_PORDEVSR_IO_SEL) 241 >> MPC8610_PORDEVSR_IO_SEL_SHIFT; 242 uint host_agent = (gur->porbmsr & MPC8610_PORBMSR_HA) 243 >> MPC8610_PORBMSR_HA_SHIFT; 244 245 printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", 246 devdisr, io_sel, host_agent); 247 248 #ifdef CONFIG_PCIE1 249 { 250 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR; 251 struct pci_controller *hose = &pcie1_hose; 252 int pcie_configured = (io_sel == 1) || (io_sel == 4); 253 int pcie_ep = (host_agent == 0) || (host_agent == 2) || 254 (host_agent == 5); 255 struct pci_region *r = hose->regions; 256 257 if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) { 258 printf(" PCIe 1 connected to Uli as %s (base address %x)\n", 259 pcie_ep ? "End Point" : "Root Complex", 260 (uint)pci); 261 if (pci->pme_msg_det) 262 pci->pme_msg_det = 0xffffffff; 263 264 /* inbound */ 265 r += fsl_pci_setup_inbound_windows(r); 266 267 /* outbound memory */ 268 pci_set_region(r++, 269 CONFIG_SYS_PCIE1_MEM_BUS, 270 CONFIG_SYS_PCIE1_MEM_PHYS, 271 CONFIG_SYS_PCIE1_MEM_SIZE, 272 PCI_REGION_MEM); 273 274 /* outbound io */ 275 pci_set_region(r++, 276 CONFIG_SYS_PCIE1_IO_BUS, 277 CONFIG_SYS_PCIE1_IO_PHYS, 278 CONFIG_SYS_PCIE1_IO_SIZE, 279 PCI_REGION_IO); 280 281 hose->region_count = r - hose->regions; 282 283 hose->first_busno = first_free_busno; 284 pci_setup_indirect(hose, (int)&pci->cfg_addr, 285 (int)&pci->cfg_data); 286 287 fsl_pci_init(hose); 288 289 first_free_busno = hose->last_busno + 1; 290 printf(" PCI-Express 1 on bus %02x - %02x\n", 291 hose->first_busno, hose->last_busno); 292 293 } else 294 puts(" PCI-Express 1: Disabled\n"); 295 } 296 #else 297 puts("PCI-Express 1: Disabled\n"); 298 #endif /* CONFIG_PCIE1 */ 299 300 301 #ifdef CONFIG_PCIE2 302 { 303 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR; 304 struct pci_controller *hose = &pcie2_hose; 305 struct pci_region *r = hose->regions; 306 307 int pcie_configured = (io_sel == 0) || (io_sel == 4); 308 int pcie_ep = (host_agent == 0) || (host_agent == 1) || 309 (host_agent == 4); 310 311 if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) { 312 printf(" PCI-Express 2 connected to slot as %s" \ 313 " (base address %x)\n", 314 pcie_ep ? "End Point" : "Root Complex", 315 (uint)pci); 316 if (pci->pme_msg_det) 317 pci->pme_msg_det = 0xffffffff; 318 319 /* inbound */ 320 r += fsl_pci_setup_inbound_windows(r); 321 322 /* outbound memory */ 323 pci_set_region(r++, 324 CONFIG_SYS_PCIE2_MEM_BUS, 325 CONFIG_SYS_PCIE2_MEM_PHYS, 326 CONFIG_SYS_PCIE2_MEM_SIZE, 327 PCI_REGION_MEM); 328 329 /* outbound io */ 330 pci_set_region(r++, 331 CONFIG_SYS_PCIE2_IO_BUS, 332 CONFIG_SYS_PCIE2_IO_PHYS, 333 CONFIG_SYS_PCIE2_IO_SIZE, 334 PCI_REGION_IO); 335 336 hose->region_count = r - hose->regions; 337 338 hose->first_busno = first_free_busno; 339 pci_setup_indirect(hose, (int)&pci->cfg_addr, 340 (int)&pci->cfg_data); 341 342 fsl_pci_init(hose); 343 344 first_free_busno = hose->last_busno + 1; 345 printf(" PCI-Express 2 on bus %02x - %02x\n", 346 hose->first_busno, hose->last_busno); 347 } else 348 puts(" PCI-Express 2: Disabled\n"); 349 } 350 #else 351 puts("PCI-Express 2: Disabled\n"); 352 #endif /* CONFIG_PCIE2 */ 353 354 355 #ifdef CONFIG_PCI1 356 { 357 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR; 358 struct pci_controller *hose = &pci1_hose; 359 int pci_agent = (host_agent >= 4) && (host_agent <= 6); 360 struct pci_region *r = hose->regions; 361 362 if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) { 363 printf(" PCI connected to PCI slots as %s" \ 364 " (base address %x)\n", 365 pci_agent ? "Agent" : "Host", 366 (uint)pci); 367 368 /* inbound */ 369 r += fsl_pci_setup_inbound_windows(r); 370 371 /* outbound memory */ 372 pci_set_region(r++, 373 CONFIG_SYS_PCI1_MEM_BUS, 374 CONFIG_SYS_PCI1_MEM_PHYS, 375 CONFIG_SYS_PCI1_MEM_SIZE, 376 PCI_REGION_MEM); 377 378 /* outbound io */ 379 pci_set_region(r++, 380 CONFIG_SYS_PCI1_IO_BUS, 381 CONFIG_SYS_PCI1_IO_PHYS, 382 CONFIG_SYS_PCI1_IO_SIZE, 383 PCI_REGION_IO); 384 385 hose->region_count = r - hose->regions; 386 387 hose->first_busno = first_free_busno; 388 pci_setup_indirect(hose, (int) &pci->cfg_addr, 389 (int) &pci->cfg_data); 390 391 fsl_pci_init(hose); 392 393 first_free_busno = hose->last_busno + 1; 394 printf(" PCI on bus %02x - %02x\n", 395 hose->first_busno, hose->last_busno); 396 397 398 } else 399 puts(" PCI: Disabled\n"); 400 } 401 #endif /* CONFIG_PCI1 */ 402 } 403 404 #if defined(CONFIG_OF_BOARD_SETUP) 405 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias, 406 struct pci_controller *hose); 407 408 void 409 ft_board_setup(void *blob, bd_t *bd) 410 { 411 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, 412 "timebase-frequency", bd->bi_busfreq / 4, 1); 413 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, 414 "bus-frequency", bd->bi_busfreq, 1); 415 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, 416 "clock-frequency", bd->bi_intfreq, 1); 417 do_fixup_by_prop_u32(blob, "device_type", "soc", 4, 418 "bus-frequency", bd->bi_busfreq, 1); 419 420 do_fixup_by_compat_u32(blob, "ns16550", 421 "clock-frequency", bd->bi_busfreq, 1); 422 423 fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize); 424 425 #ifdef CONFIG_PCI1 426 ft_fsl_pci_setup(blob, "pci0", &pci1_hose); 427 #endif 428 #ifdef CONFIG_PCIE1 429 ft_fsl_pci_setup(blob, "pci1", &pcie1_hose); 430 #endif 431 #ifdef CONFIG_PCIE2 432 ft_fsl_pci_setup(blob, "pci2", &pcie2_hose); 433 #endif 434 } 435 #endif 436 437 /* 438 * get_board_sys_clk 439 * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ 440 */ 441 442 unsigned long 443 get_board_sys_clk(ulong dummy) 444 { 445 u8 i; 446 ulong val = 0; 447 ulong a; 448 449 a = PIXIS_BASE + PIXIS_SPD; 450 i = in8(a); 451 i &= 0x07; 452 453 switch (i) { 454 case 0: 455 val = 33333000; 456 break; 457 case 1: 458 val = 39999600; 459 break; 460 case 2: 461 val = 49999500; 462 break; 463 case 3: 464 val = 66666000; 465 break; 466 case 4: 467 val = 83332500; 468 break; 469 case 5: 470 val = 99999000; 471 break; 472 case 6: 473 val = 133332000; 474 break; 475 case 7: 476 val = 166665000; 477 break; 478 } 479 480 return val; 481 } 482 483 int board_eth_init(bd_t *bis) 484 { 485 return pci_eth_init(bis); 486 } 487 488 void board_reset(void) 489 { 490 out8(PIXIS_BASE + PIXIS_RST, 0); 491 492 while (1) 493 ; 494 } 495