board/atum8548/atum8548.c

   1 /*
   2  * Copyright 2007
   3  * Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com
   4  *
   5  * Copyright 2007 Freescale Semiconductor, Inc.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <command.h>
  28 #include <pci.h>
  29 #include <asm/processor.h>
  30 #include <asm/immap_85xx.h>
  31 #include <asm/fsl_pci.h>
  32 #include <asm/fsl_ddr_sdram.h>
  33 #include <asm/io.h>
  34 #include <asm/mmu.h>
  35 #include <spd_sdram.h>
  36 #include <miiphy.h>
  37 #include <libfdt.h>
  38 #include <fdt_support.h>
  39
  40 long int fixed_sdram(void);
  41
  42 int board_early_init_f (void)
  43 {
  44         return 0;
  45 }
  46
  47 int checkboard (void)
  48 {
  49         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  50         volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
  51         volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
  52
  53         if ((uint)&gur->porpllsr != 0xe00e0000) {
  54                 printf("immap size error %lx\n",(ulong)&gur->porpllsr);
  55         }
  56         printf ("Board: ATUM8548\n");
  57
  58         lbc->ltesr = 0xffffffff;        /* Clear LBC error interrupts */
  59         lbc->lteir = 0xffffffff;        /* Enable LBC error interrupts */
  60         ecm->eedr = 0xffffffff;         /* Clear ecm errors */
  61         ecm->eeer = 0xffffffff;         /* Enable ecm errors */
  62
  63         return 0;
  64 }
  65
  66 #if !defined(CONFIG_SPD_EEPROM)
  67 /*************************************************************************
  68  *  fixed sdram init -- doesn't use serial presence detect.
  69  ************************************************************************/
  70 long int fixed_sdram (void)
  71 {
  72         volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
  73
  74         ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
  75         ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
  76         ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
  77         ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
  78         ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
  79         ddr->sdram_mode = CONFIG_SYS_DDR_MODE;
  80         ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
  81     #if defined (CONFIG_DDR_ECC)
  82         ddr->err_disable = 0x0000000D;
  83         ddr->err_sbe = 0x00ff0000;
  84     #endif
  85         asm("sync;isync;msync");
  86         udelay(500);
  87     #if defined (CONFIG_DDR_ECC)
  88         /* Enable ECC checking */
  89         ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
  90     #else
  91         ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
  92     #endif
  93         asm("sync; isync; msync");
  94         udelay(500);
  95         return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  96 }
  97 #endif  /* !defined(CONFIG_SPD_EEPROM) */
  98
  99 phys_size_t
 100 initdram(int board_type)
 101 {
 102         long dram_size = 0;
 103
 104         puts("Initializing\n");
 105
 106 #if defined(CONFIG_SPD_EEPROM)
 107         puts("fsl_ddr_sdram\n");
 108         dram_size = fsl_ddr_sdram();
 109         dram_size = setup_ddr_tlbs(dram_size / 0x100000);
 110         dram_size *= 0x100000;
 111 #else
 112         puts("fixed_sdram\n");
 113         dram_size = fixed_sdram ();
 114 #endif
 115
 116         puts("    DDR: ");
 117         return dram_size;
 118 }
 119
 120 #if defined(CONFIG_SYS_DRAM_TEST)
 121 int
 122 testdram(void)
 123 {
 124         uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
 125         uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
 126         uint *p;
 127
 128         printf("Testing DRAM from 0x%08x to 0x%08x\n",
 129                CONFIG_SYS_MEMTEST_START,
 130                CONFIG_SYS_MEMTEST_END);
 131
 132         printf("DRAM test phase 1:\n");
 133         for (p = pstart; p < pend; p++) {
 134                 printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p);
 135                 *p = 0xaaaaaaaa;
 136         }
 137
 138         for (p = pstart; p < pend; p++) {
 139                 if (*p != 0xaaaaaaaa) {
 140                         printf ("DRAM test fails at: %08x\n", (uint) p);
 141                         return 1;
 142                 }
 143         }
 144
 145         printf("DRAM test phase 2:\n");
 146         for (p = pstart; p < pend; p++)
 147                 *p = 0x55555555;
 148
 149         for (p = pstart; p < pend; p++) {
 150                 if (*p != 0x55555555) {
 151                         printf ("DRAM test fails at: %08x\n", (uint) p);
 152                         return 1;
 153                 }
 154         }
 155
 156         printf("DRAM test passed.\n");
 157         return 0;
 158 }
 159 #endif
 160
 161 #ifdef CONFIG_PCI1
 162 static struct pci_controller pci1_hose;
 163 #endif
 164
 165 #ifdef CONFIG_PCI2
 166 static struct pci_controller pci2_hose;
 167 #endif
 168
 169 #ifdef CONFIG_PCIE1
 170 static struct pci_controller pcie1_hose;
 171 #endif
 172
 173 int first_free_busno=0;
 174
 175 void
 176 pci_init_board(void)
 177 {
 178         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 179
 180         uint devdisr = gur->devdisr;
 181         uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
 182         uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
 183
 184         debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
 185                 devdisr, io_sel, host_agent);
 186
 187         /* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */
 188         gur->clkocr  |= MPC85xx_ATUM_CLKOCR;
 189
 190         if (io_sel & 1) {
 191                 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
 192                         printf ("    eTSEC1 is in sgmii mode.\n");
 193                 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
 194                         printf ("    eTSEC2 is in sgmii mode.\n");
 195                 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
 196                         printf ("    eTSEC3 is in sgmii mode.\n");
 197                 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
 198                         printf ("    eTSEC4 is in sgmii mode.\n");
 199         }
 200
 201 #ifdef CONFIG_PCIE1
 202  {
 203         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
 204         struct pci_controller *hose = &pcie1_hose;
 205         int pcie_ep = (host_agent == 5);
 206         int pcie_configured  = io_sel & 6;
 207         struct pci_region *r = hose->regions;
 208
 209         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 210                 printf ("\n    PCIE1 connected to slot as %s (base address %x)",
 211                         pcie_ep ? "End Point" : "Root Complex",
 212                         (uint)pci);
 213                 if (pci->pme_msg_det) {
 214                         pci->pme_msg_det = 0xffffffff;
 215                         debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
 216                 }
 217                 printf ("\n");
 218
 219                 /* inbound */
 220                 r += fsl_pci_setup_inbound_windows(r);
 221
 222                 /* outbound memory */
 223                 pci_set_region(r++,
 224                                CONFIG_SYS_PCIE1_MEM_BASE,
 225                                CONFIG_SYS_PCIE1_MEM_PHYS,
 226                                CONFIG_SYS_PCIE1_MEM_SIZE,
 227                                PCI_REGION_MEM);
 228
 229                 /* outbound io */
 230                 pci_set_region(r++,
 231                                CONFIG_SYS_PCIE1_IO_BASE,
 232                                CONFIG_SYS_PCIE1_IO_PHYS,
 233                                CONFIG_SYS_PCIE1_IO_SIZE,
 234                                PCI_REGION_IO);
 235
 236 #ifdef CONFIG_SYS_PCIE1_MEM_BASE2
 237                 /* outbound memory */
 238                 pci_set_region(r++,
 239                                CONFIG_SYS_PCIE1_MEM_BASE2,
 240                                CONFIG_SYS_PCIE1_MEM_PHYS2,
 241                                CONFIG_SYS_PCIE1_MEM_SIZE2,
 242                                PCI_REGION_MEM);
 243 #endif
 244                 hose->region_count = r - hose->regions;
 245                 hose->first_busno=first_free_busno;
 246
 247                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
 248
 249                 fsl_pci_init(hose);
 250
 251                 first_free_busno=hose->last_busno+1;
 252                 printf("    PCIE1 on bus %02x - %02x\n",
 253                        hose->first_busno,hose->last_busno);
 254
 255         } else {
 256                 printf ("    PCIE1: disabled\n");
 257         }
 258
 259  }
 260 #else
 261         gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
 262 #endif
 263
 264 #ifdef CONFIG_PCI1
 265 {
 266         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
 267         struct pci_controller *hose = &pci1_hose;
 268         struct pci_region *r = hose->regions;
 269
 270         uint pci_agent = (host_agent == 6);
 271         uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */
 272         uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;      /* PORDEVSR[15] */
 273         uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;       /* PORDEVSR[14] */
 274         uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;   /* PORPLLSR[16] */
 275
 276         if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
 277                 printf ("\n    PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
 278                         (pci_32) ? 32 : 64,
 279                         (pci_speed == 33333000) ? "33" :
 280                         (pci_speed == 66666000) ? "66" : "unknown",
 281                         pci_clk_sel ? "sync" : "async",
 282                         pci_agent ? "agent" : "host",
 283                         pci_arb ? "arbiter" : "external-arbiter",
 284                         (uint)pci
 285                         );
 286
 287                 /* inbound */
 288                 r += fsl_pci_setup_inbound_windows(r);
 289
 290                 /* outbound memory */
 291                 pci_set_region(r++,
 292                                CONFIG_SYS_PCI1_MEM_BASE,
 293                                CONFIG_SYS_PCI1_MEM_PHYS,
 294                                CONFIG_SYS_PCI1_MEM_SIZE,
 295                                PCI_REGION_MEM);
 296
 297                 /* outbound io */
 298                 pci_set_region(r++,
 299                                CONFIG_SYS_PCI1_IO_BASE,
 300                                CONFIG_SYS_PCI1_IO_PHYS,
 301                                CONFIG_SYS_PCI1_IO_SIZE,
 302                                PCI_REGION_IO);
 303                 hose->region_count = r - hose->regions;
 304                 hose->first_busno=first_free_busno;
 305                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
 306
 307                 fsl_pci_init(hose);
 308                 first_free_busno=hose->last_busno+1;
 309                 printf ("PCI1 on bus %02x - %02x\n",
 310                         hose->first_busno,hose->last_busno);
 311         } else {
 312                 printf ("    PCI1: disabled\n");
 313         }
 314 }
 315 #else
 316         gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
 317 #endif
 318
 319 #ifdef CONFIG_PCI2
 320 {
 321         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
 322         struct pci_controller *hose = &pci2_hose;
 323         struct pci_region *r = hose->regions;
 324
 325         if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {
 326                 r += fsl_pci_setup_inbound_windows(r);
 327
 328                 pci_set_region(r++,
 329                                CONFIG_SYS_PCI2_MEM_BASE,
 330                                CONFIG_SYS_PCI2_MEM_PHYS,
 331                                CONFIG_SYS_PCI2_MEM_SIZE,
 332                                PCI_REGION_MEM);
 333
 334                 pci_set_region(r++,
 335                                CONFIG_SYS_PCI2_IO_BASE,
 336                                CONFIG_SYS_PCI2_IO_PHYS,
 337                                CONFIG_SYS_PCI2_IO_SIZE,
 338                                PCI_REGION_IO);
 339                 hose->region_count = r - hose->regions;
 340                 hose->first_busno=first_free_busno;
 341                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
 342
 343                 fsl_pci_init(hose);
 344                 first_free_busno=hose->last_busno+1;
 345                 printf ("PCI2 on bus %02x - %02x\n",
 346                         hose->first_busno,hose->last_busno);
 347         } else {
 348                 printf ("    PCI2: disabled\n");
 349         }
 350 }
 351 #else
 352         gur->devdisr |= MPC85xx_DEVDISR_PCI2;
 353 #endif
 354 }
 355
 356
 357 int last_stage_init(void)
 358 {
 359         int ic = icache_status ();
 360         printf ("icache_status: %d\n", ic);
 361         return 0;
 362 }
 363
 364 #if defined(CONFIG_OF_BOARD_SETUP)
 365 void ft_board_setup(void *blob, bd_t *bd)
 366 {
 367         ft_cpu_setup(blob, bd);
 368
 369 #ifdef CONFIG_PCI1
 370         ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
 371 #endif
 372 #ifdef CONFIG_PCI2
 373         ft_fsl_pci_setup(blob, "pci1", &pci2_hose);
 374 #endif
 375 #ifdef CONFIG_PCIE1
 376         ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
 377 #endif
 378 }
 379 #endif