board/freescale/mpc8610hpcd/mpc8610hpcd.c

   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 <i2c.h>
  30 #include <asm/io.h>
  31 #include <libfdt.h>
  32 #include <fdt_support.h>
  33 #include <spd_sdram.h>
  34
  35 #include "../common/pixis.h"
  36
  37 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  38 extern void ddr_enable_ecc(unsigned int dram_size);
  39 #endif
  40
  41 void sdram_init(void);
  42 long int fixed_sdram(void);
  43 void mpc8610hpcd_diu_init(void);
  44
  45
  46 /* called before any console output */
  47 int board_early_init_f(void)
  48 {
  49         volatile immap_t *immap = (immap_t *)CFG_IMMR;
  50         volatile ccsr_gur_t *gur = &immap->im_gur;
  51
  52         gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */
  53
  54         return 0;
  55 }
  56
  57 int misc_init_r(void)
  58 {
  59         u8 tmp_val, version;
  60
  61         /*Do not use 8259PIC*/
  62         tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
  63         out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x80);
  64
  65         /*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/
  66         version = in8(PIXIS_BASE + PIXIS_PVER);
  67         if(version >= 0x07) {
  68                 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
  69                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xbf);
  70         }
  71
  72         /* Using this for DIU init before the driver in linux takes over
  73          *  Enable the TFP410 Encoder (I2C address 0x38)
  74          */
  75
  76         tmp_val = 0xBF;
  77         i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
  78         /* Verify if enabled */
  79         tmp_val = 0;
  80         i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
  81         debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
  82
  83         tmp_val = 0x10;
  84         i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
  85         /* Verify if enabled */
  86         tmp_val = 0;
  87         i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
  88         debug("DVI Encoder Read: 0x%02lx\n",tmp_val);
  89
  90 #ifdef CONFIG_FSL_DIU_FB
  91         mpc8610hpcd_diu_init();
  92 #endif
  93
  94         return 0;
  95 }
  96
  97 int checkboard(void)
  98 {
  99         volatile immap_t *immap = (immap_t *)CFG_IMMR;
 100         volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
 101
 102         puts("Board: MPC8610HPCD\n");
 103
 104         mcm->abcr |= 0x00010000; /* 0 */
 105         mcm->hpmr3 = 0x80000008; /* 4c */
 106         mcm->hpmr0 = 0;
 107         mcm->hpmr1 = 0;
 108         mcm->hpmr2 = 0;
 109         mcm->hpmr4 = 0;
 110         mcm->hpmr5 = 0;
 111
 112         return 0;
 113 }
 114
 115
 116 long int
 117 initdram(int board_type)
 118 {
 119         long dram_size = 0;
 120
 121 #if defined(CONFIG_SPD_EEPROM)
 122         dram_size = spd_sdram();
 123 #else
 124         dram_size = fixed_sdram();
 125 #endif
 126
 127 #if defined(CFG_RAMBOOT)
 128         puts(" DDR: ");
 129         return dram_size;
 130 #endif
 131
 132 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 133         /*
 134          * Initialize and enable DDR ECC.
 135          */
 136         ddr_enable_ecc(dram_size);
 137 #endif
 138
 139         puts(" DDR: ");
 140         return dram_size;
 141 }
 142
 143
 144 #if !defined(CONFIG_SPD_EEPROM)
 145 /*
 146  * Fixed sdram init -- doesn't use serial presence detect.
 147  */
 148
 149 long int fixed_sdram(void)
 150 {
 151 #if !defined(CFG_RAMBOOT)
 152         volatile immap_t *immap = (immap_t *)CFG_IMMR;
 153         volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
 154         uint d_init;
 155
 156         ddr->cs0_bnds = 0x0000001f;
 157         ddr->cs0_config = 0x80010202;
 158
 159         ddr->timing_cfg_3 = 0x00000000;
 160         ddr->timing_cfg_0 = 0x00260802;
 161         ddr->timing_cfg_1 = 0x3935d322;
 162         ddr->timing_cfg_2 = 0x14904cc8;
 163         ddr->sdram_mode_1 = 0x00480432;
 164         ddr->sdram_mode_2 = 0x00000000;
 165         ddr->sdram_interval = 0x06180fff; /* 0x06180100; */
 166         ddr->sdram_data_init = 0xDEADBEEF;
 167         ddr->sdram_clk_cntl = 0x03800000;
 168         ddr->sdram_cfg_2 = 0x04400010;
 169
 170 #if defined(CONFIG_DDR_ECC)
 171         ddr->err_int_en = 0x0000000d;
 172         ddr->err_disable = 0x00000000;
 173         ddr->err_sbe = 0x00010000;
 174 #endif
 175         asm("sync;isync");
 176
 177         udelay(500);
 178
 179         ddr->sdram_cfg_1 = 0xc3000000; /* 0xe3008000;*/
 180
 181
 182 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 183         d_init = 1;
 184         debug("DDR - 1st controller: memory initializing\n");
 185         /*
 186          * Poll until memory is initialized.
 187          * 512 Meg at 400 might hit this 200 times or so.
 188          */
 189         while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
 190                 udelay(1000);
 191
 192         debug("DDR: memory initialized\n\n");
 193         asm("sync; isync");
 194         udelay(500);
 195 #endif
 196
 197         return 512 * 1024 * 1024;
 198 #endif
 199         return CFG_SDRAM_SIZE * 1024 * 1024;
 200 }
 201
 202 #endif
 203
 204 #if defined(CONFIG_PCI)
 205 /*
 206  * Initialize PCI Devices, report devices found.
 207  */
 208
 209 #ifndef CONFIG_PCI_PNP
 210 static struct pci_config_table pci_fsl86xxads_config_table[] = {
 211         {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 212          PCI_IDSEL_NUMBER, PCI_ANY_ID,
 213          pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
 214                                  PCI_ENET0_MEMADDR,
 215                                  PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} },
 216         {}
 217 };
 218 #endif
 219
 220
 221 static struct pci_controller pci1_hose = {
 222 #ifndef CONFIG_PCI_PNP
 223 config_table:pci_mpc86xxcts_config_table
 224 #endif
 225 };
 226 #endif /* CONFIG_PCI */
 227
 228 #ifdef CONFIG_PCIE1
 229 static struct pci_controller pcie1_hose;
 230 #endif
 231
 232 #ifdef CONFIG_PCIE2
 233 static struct pci_controller pcie2_hose;
 234 #endif
 235
 236 int first_free_busno = 0;
 237
 238 void pci_init_board(void)
 239 {
 240         volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
 241         volatile ccsr_gur_t *gur = &immap->im_gur;
 242         uint devdisr = gur->devdisr;
 243         uint io_sel = (gur->pordevsr & MPC8610_PORDEVSR_IO_SEL)
 244                 >> MPC8610_PORDEVSR_IO_SEL_SHIFT;
 245         uint host_agent = (gur->porbmsr & MPC8610_PORBMSR_HA)
 246                 >> MPC8610_PORBMSR_HA_SHIFT;
 247
 248         printf( " pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
 249                 devdisr, io_sel, host_agent);
 250
 251 #ifdef CONFIG_PCIE1
 252  {
 253         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
 254         extern void fsl_pci_init(struct pci_controller *hose);
 255         struct pci_controller *hose = &pcie1_hose;
 256         int pcie_configured = (io_sel == 1) || (io_sel == 4);
 257         int pcie_ep = (host_agent == 0) || (host_agent == 2) ||
 258                 (host_agent == 5);
 259
 260         if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)) {
 261                 printf(" PCIe 1 connected to Uli as %s (base address %x)\n",
 262                         pcie_ep ? "End Point" : "Root Complex",
 263                         (uint)pci);
 264                 if (pci->pme_msg_det)
 265                         pci->pme_msg_det = 0xffffffff;
 266
 267                 /* inbound */
 268                 pci_set_region(hose->regions + 0,
 269                          CFG_PCI_MEMORY_BUS,
 270                          CFG_PCI_MEMORY_PHYS,
 271                          CFG_PCI_MEMORY_SIZE,
 272                          PCI_REGION_MEM | PCI_REGION_MEMORY);
 273
 274                 /* outbound memory */
 275                 pci_set_region(hose->regions + 1,
 276                          CFG_PCIE1_MEM_BASE,
 277                          CFG_PCIE1_MEM_PHYS,
 278                          CFG_PCIE1_MEM_SIZE,
 279                          PCI_REGION_MEM);
 280
 281                 /* outbound io */
 282                 pci_set_region(hose->regions + 2,
 283                          CFG_PCIE1_IO_BASE,
 284                          CFG_PCIE1_IO_PHYS,
 285                          CFG_PCIE1_IO_SIZE,
 286                          PCI_REGION_IO);
 287
 288                 hose->region_count = 3;
 289
 290                 hose->first_busno = first_free_busno;
 291                 pci_setup_indirect(hose, (int)&pci->cfg_addr,
 292                                  (int)&pci->cfg_data);
 293
 294                 fsl_pci_init(hose);
 295
 296                 first_free_busno = hose->last_busno + 1;
 297                 printf(" PCI-Express 1 on bus %02x - %02x\n",
 298                         hose->first_busno, hose->last_busno);
 299
 300         } else
 301                 puts(" PCI-Express 1: Disabled\n");
 302  }
 303 #else
 304         puts("PCI-Express 1: Disabled\n");
 305 #endif /* CONFIG_PCIE1 */
 306
 307
 308 #ifdef CONFIG_PCIE2
 309  {
 310         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE2_ADDR;
 311         extern void fsl_pci_init(struct pci_controller *hose);
 312         struct pci_controller *hose = &pcie2_hose;
 313
 314         int pcie_configured = (io_sel == 0) || (io_sel == 4);
 315         int pcie_ep = (host_agent == 0) || (host_agent == 1) ||
 316                 (host_agent == 4);
 317
 318         if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)) {
 319                 printf(" PCI-Express 2 connected to slot as %s" \
 320                         " (base address %x)\n",
 321                         pcie_ep ? "End Point" : "Root Complex",
 322                         (uint)pci);
 323                 if (pci->pme_msg_det)
 324                         pci->pme_msg_det = 0xffffffff;
 325
 326                 /* inbound */
 327                 pci_set_region(hose->regions + 0,
 328                          CFG_PCI_MEMORY_BUS,
 329                          CFG_PCI_MEMORY_PHYS,
 330                          CFG_PCI_MEMORY_SIZE,
 331                          PCI_REGION_MEM | PCI_REGION_MEMORY);
 332
 333                 /* outbound memory */
 334                 pci_set_region(hose->regions + 1,
 335                          CFG_PCIE2_MEM_BASE,
 336                          CFG_PCIE2_MEM_PHYS,
 337                          CFG_PCIE2_MEM_SIZE,
 338                          PCI_REGION_MEM);
 339
 340                 /* outbound io */
 341                 pci_set_region(hose->regions + 2,
 342                          CFG_PCIE2_IO_BASE,
 343                          CFG_PCIE2_IO_PHYS,
 344                          CFG_PCIE2_IO_SIZE,
 345                          PCI_REGION_IO);
 346
 347                 hose->region_count = 3;
 348
 349                 hose->first_busno = first_free_busno;
 350                 pci_setup_indirect(hose, (int)&pci->cfg_addr,
 351                                  (int)&pci->cfg_data);
 352
 353                 fsl_pci_init(hose);
 354
 355                 first_free_busno = hose->last_busno + 1;
 356                 printf(" PCI-Express 2 on bus %02x - %02x\n",
 357                         hose->first_busno, hose->last_busno);
 358         } else
 359                 puts(" PCI-Express 2: Disabled\n");
 360  }
 361 #else
 362         puts("PCI-Express 2: Disabled\n");
 363 #endif /* CONFIG_PCIE2 */
 364
 365
 366 #ifdef CONFIG_PCI1
 367  {
 368         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
 369         extern void fsl_pci_init(struct pci_controller *hose);
 370         struct pci_controller *hose = &pci1_hose;
 371         int pci_agent = (host_agent >= 4) && (host_agent <= 6);
 372
 373         if ( !(devdisr & MPC86xx_DEVDISR_PCI1)) {
 374                 printf(" PCI connected to PCI slots as %s" \
 375                         " (base address %x)\n",
 376                         pci_agent ? "Agent" : "Host",
 377                         (uint)pci);
 378
 379                 /* inbound */
 380                 pci_set_region(hose->regions + 0,
 381                          CFG_PCI_MEMORY_BUS,
 382                          CFG_PCI_MEMORY_PHYS,
 383                          CFG_PCI_MEMORY_SIZE,
 384                          PCI_REGION_MEM | PCI_REGION_MEMORY);
 385
 386                 /* outbound memory */
 387                 pci_set_region(hose->regions + 1,
 388                          CFG_PCI1_MEM_BASE,
 389                          CFG_PCI1_MEM_PHYS,
 390                          CFG_PCI1_MEM_SIZE,
 391                          PCI_REGION_MEM);
 392
 393                 /* outbound io */
 394                 pci_set_region(hose->regions + 2,
 395                          CFG_PCI1_IO_BASE,
 396                          CFG_PCI1_IO_PHYS,
 397                          CFG_PCI1_IO_SIZE,
 398                          PCI_REGION_IO);
 399
 400                 hose->region_count = 3;
 401
 402                 hose->first_busno = first_free_busno;
 403                 pci_setup_indirect(hose, (int) &pci->cfg_addr,
 404                                  (int) &pci->cfg_data);
 405
 406                 fsl_pci_init(hose);
 407
 408                 first_free_busno = hose->last_busno + 1;
 409                 printf(" PCI on bus %02x - %02x\n",
 410                         hose->first_busno, hose->last_busno);
 411
 412
 413         } else
 414                 puts(" PCI: Disabled\n");
 415  }
 416 #endif /* CONFIG_PCI1 */
 417 }
 418
 419 #if defined(CONFIG_OF_BOARD_SETUP)
 420 void
 421 ft_board_setup(void *blob, bd_t *bd)
 422 {
 423         int node, tmp[2];
 424         const char *path;
 425
 426         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 427                              "timebase-frequency", bd->bi_busfreq / 4, 1);
 428         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 429                              "bus-frequency", bd->bi_busfreq, 1);
 430         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 431                              "clock-frequency", bd->bi_intfreq, 1);
 432         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
 433                              "bus-frequency", bd->bi_busfreq, 1);
 434
 435         do_fixup_by_compat_u32(blob, "ns16550",
 436                                "clock-frequency", bd->bi_busfreq, 1);
 437
 438         fdt_fixup_memory(blob, bd->bi_memstart, bd->bi_memsize);
 439
 440
 441         node = fdt_path_offset(blob, "/aliases");
 442         tmp[0] = 0;
 443         if (node >= 0) {
 444
 445 #ifdef CONFIG_PCI1
 446                 path = fdt_getprop(blob, node, "pci0", NULL);
 447                 if (path) {
 448                         tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
 449                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
 450                 }
 451
 452 #endif
 453 #ifdef CONFIG_PCIE1
 454                 path = fdt_getprop(blob, node, "pci1", NULL);
 455                 if (path) {
 456                         tmp[1] = pcie1_hose.last_busno
 457                                 - pcie1_hose.first_busno;
 458                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
 459         }
 460 #endif
 461 #ifdef CONFIG_PCIE2
 462                 path = fdt_getprop(blob, node, "pci2", NULL);
 463                 if (path) {
 464                         tmp[1] = pcie2_hose.last_busno
 465                                 - pcie2_hose.first_busno;
 466                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
 467                 }
 468 #endif
 469         }
 470 }
 471 #endif
 472
 473 /*
 474  * get_board_sys_clk
 475  * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
 476  */
 477
 478 unsigned long
 479 get_board_sys_clk(ulong dummy)
 480 {
 481         u8 i;
 482         ulong val = 0;
 483         ulong a;
 484
 485         a = PIXIS_BASE + PIXIS_SPD;
 486         i = in8(a);
 487         i &= 0x07;
 488
 489         switch (i) {
 490         case 0:
 491                 val = 33333000;
 492                 break;
 493         case 1:
 494                 val = 39999600;
 495                 break;
 496         case 2:
 497                 val = 49999500;
 498                 break;
 499         case 3:
 500                 val = 66666000;
 501                 break;
 502         case 4:
 503                 val = 83332500;
 504                 break;
 505         case 5:
 506                 val = 99999000;
 507                 break;
 508         case 6:
 509                 val = 133332000;
 510                 break;
 511         case 7:
 512                 val = 166665000;
 513                 break;
 514         }
 515
 516         return val;
 517 }