uboot/board/Marvell/db64360/db64360.c
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   1/*
   2 * (C) Copyright 2001
   3 * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 *
  23 * modifications for the DB64360 eval board based by Ingo.Assmus@keymile.com
  24 */
  25
  26/*
  27 * db64360.c - main board support/init for the Galileo Eval board.
  28 */
  29
  30#include <common.h>
  31#include <74xx_7xx.h>
  32#include "../include/memory.h"
  33#include "../include/pci.h"
  34#include "../include/mv_gen_reg.h"
  35#include <net.h>
  36#include <netdev.h>
  37
  38#include "eth.h"
  39#include "mpsc.h"
  40#include "i2c.h"
  41#include "64360.h"
  42#include "mv_regs.h"
  43
  44#undef  DEBUG
  45/*#define       DEBUG */
  46
  47#define MAP_PCI
  48
  49#ifdef DEBUG
  50#define DP(x) x
  51#else
  52#define DP(x)
  53#endif
  54
  55/* ------------------------------------------------------------------------- */
  56
  57/* this is the current GT register space location */
  58/* it starts at CONFIG_SYS_DFL_GT_REGS but moves later to CONFIG_SYS_GT_REGS */
  59
  60/* Unfortunately, we cant change it while we are in flash, so we initialize it
  61 * to the "final" value. This means that any debug_led calls before
  62 * board_early_init_f wont work right (like in cpu_init_f).
  63 * See also my_remap_gt_regs below. (NTL)
  64 */
  65
  66void board_prebootm_init (void);
  67unsigned int INTERNAL_REG_BASE_ADDR = CONFIG_SYS_GT_REGS;
  68int display_mem_map (void);
  69
  70/* ------------------------------------------------------------------------- */
  71
  72/*
  73 * This is a version of the GT register space remapping function that
  74 * doesn't touch globals (meaning, it's ok to run from flash.)
  75 *
  76 * Unfortunately, this has the side effect that a writable
  77 * INTERNAL_REG_BASE_ADDR is impossible. Oh well.
  78 */
  79
  80void my_remap_gt_regs (u32 cur_loc, u32 new_loc)
  81{
  82        u32 temp;
  83
  84        /* check and see if it's already moved */
  85
  86/* original ppcboot 1.1.6 source
  87
  88        temp = in_le32((u32 *)(new_loc + INTERNAL_SPACE_DECODE));
  89        if ((temp & 0xffff) == new_loc >> 20)
  90                return;
  91
  92        temp = (in_le32((u32 *)(cur_loc + INTERNAL_SPACE_DECODE)) &
  93                0xffff0000) | (new_loc >> 20);
  94
  95        out_le32((u32 *)(cur_loc + INTERNAL_SPACE_DECODE), temp);
  96
  97        while (GTREGREAD(INTERNAL_SPACE_DECODE) != temp);
  98original ppcboot 1.1.6 source end */
  99
 100        temp = in_le32 ((u32 *) (new_loc + INTERNAL_SPACE_DECODE));
 101        if ((temp & 0xffff) == new_loc >> 16)
 102                return;
 103
 104        temp = (in_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE)) &
 105                0xffff0000) | (new_loc >> 16);
 106
 107        out_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE), temp);
 108
 109        while (GTREGREAD (INTERNAL_SPACE_DECODE) != temp);
 110}
 111
 112#ifdef CONFIG_PCI
 113
 114static void gt_pci_config (void)
 115{
 116        unsigned int stat;
 117        unsigned int val = 0x00fff864;  /* DINK32: BusNum 23:16,  DevNum 15:11, FuncNum 10:8, RegNum 7:2 */
 118
 119        /* In PCIX mode devices provide their own bus and device numbers. We query the Discovery II's
 120         * config registers by writing ones to the bus and device.
 121         * We then update the Virtual register with the correct value for the bus and device.
 122         */
 123        if ((GTREGREAD (PCI_0_MODE) & (BIT4 | BIT5)) != 0) {    /*if  PCI-X */
 124                GT_REG_WRITE (PCI_0_CONFIG_ADDR, BIT31 | val);
 125
 126                GT_REG_READ (PCI_0_CONFIG_DATA_VIRTUAL_REG, &stat);
 127
 128                GT_REG_WRITE (PCI_0_CONFIG_ADDR, BIT31 | val);
 129                GT_REG_WRITE (PCI_0_CONFIG_DATA_VIRTUAL_REG,
 130                              (stat & 0xffff0000) | CONFIG_SYS_PCI_IDSEL);
 131
 132        }
 133        if ((GTREGREAD (PCI_1_MODE) & (BIT4 | BIT5)) != 0) {    /*if  PCI-X */
 134                GT_REG_WRITE (PCI_1_CONFIG_ADDR, BIT31 | val);
 135                GT_REG_READ (PCI_1_CONFIG_DATA_VIRTUAL_REG, &stat);
 136
 137                GT_REG_WRITE (PCI_1_CONFIG_ADDR, BIT31 | val);
 138                GT_REG_WRITE (PCI_1_CONFIG_DATA_VIRTUAL_REG,
 139                              (stat & 0xffff0000) | CONFIG_SYS_PCI_IDSEL);
 140        }
 141
 142        /* Enable master */
 143        PCI_MASTER_ENABLE (0, SELF);
 144        PCI_MASTER_ENABLE (1, SELF);
 145
 146        /* Enable PCI0/1 Mem0 and IO 0 disable all others */
 147        GT_REG_READ (BASE_ADDR_ENABLE, &stat);
 148        stat |= (1 << 11) | (1 << 12) | (1 << 13) | (1 << 16) | (1 << 17) | (1
 149                                                                             <<
 150                                                                             18);
 151        stat &= ~((1 << 9) | (1 << 10) | (1 << 14) | (1 << 15));
 152        GT_REG_WRITE (BASE_ADDR_ENABLE, stat);
 153
 154        /* ronen- add write to pci remap registers for 64460.
 155           in 64360 when writing to pci base go and overide remap automaticaly,
 156           in 64460 it doesn't */
 157        GT_REG_WRITE (PCI_0_IO_BASE_ADDR, CONFIG_SYS_PCI0_IO_BASE >> 16);
 158        GT_REG_WRITE (PCI_0I_O_ADDRESS_REMAP, CONFIG_SYS_PCI0_IO_BASE >> 16);
 159        GT_REG_WRITE (PCI_0_IO_SIZE, (CONFIG_SYS_PCI0_IO_SIZE - 1) >> 16);
 160
 161        GT_REG_WRITE (PCI_0_MEMORY0_BASE_ADDR, CONFIG_SYS_PCI0_MEM_BASE >> 16);
 162        GT_REG_WRITE (PCI_0MEMORY0_ADDRESS_REMAP, CONFIG_SYS_PCI0_MEM_BASE >> 16);
 163        GT_REG_WRITE (PCI_0_MEMORY0_SIZE, (CONFIG_SYS_PCI0_MEM_SIZE - 1) >> 16);
 164
 165        GT_REG_WRITE (PCI_1_IO_BASE_ADDR, CONFIG_SYS_PCI1_IO_BASE >> 16);
 166        GT_REG_WRITE (PCI_1I_O_ADDRESS_REMAP, CONFIG_SYS_PCI1_IO_BASE >> 16);
 167        GT_REG_WRITE (PCI_1_IO_SIZE, (CONFIG_SYS_PCI1_IO_SIZE - 1) >> 16);
 168
 169        GT_REG_WRITE (PCI_1_MEMORY0_BASE_ADDR, CONFIG_SYS_PCI1_MEM_BASE >> 16);
 170        GT_REG_WRITE (PCI_1MEMORY0_ADDRESS_REMAP, CONFIG_SYS_PCI1_MEM_BASE >> 16);
 171        GT_REG_WRITE (PCI_1_MEMORY0_SIZE, (CONFIG_SYS_PCI1_MEM_SIZE - 1) >> 16);
 172
 173        /* PCI interface settings */
 174        /* Timeout set to retry forever */
 175        GT_REG_WRITE (PCI_0TIMEOUT_RETRY, 0x0);
 176        GT_REG_WRITE (PCI_1TIMEOUT_RETRY, 0x0);
 177
 178        /* ronen - enable only CS0 and Internal reg!! */
 179        GT_REG_WRITE (PCI_0BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
 180        GT_REG_WRITE (PCI_1BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
 181
 182/*ronen update the pci internal registers base address.*/
 183#ifdef MAP_PCI
 184        for (stat = 0; stat <= PCI_HOST1; stat++)
 185                pciWriteConfigReg (stat,
 186                                   PCI_INTERNAL_REGISTERS_MEMORY_MAPPED_BASE_ADDRESS,
 187                                   SELF, CONFIG_SYS_GT_REGS);
 188#endif
 189
 190}
 191#endif
 192
 193/* Setup CPU interface paramaters */
 194static void gt_cpu_config (void)
 195{
 196        cpu_t cpu = get_cpu_type ();
 197        ulong tmp;
 198
 199        /* cpu configuration register */
 200        tmp = GTREGREAD (CPU_CONFIGURATION);
 201
 202        /* set the SINGLE_CPU bit  see MV64360 P.399 */
 203#ifndef CONFIG_SYS_GT_DUAL_CPU          /* SINGLE_CPU seems to cause JTAG problems */
 204        tmp |= CPU_CONF_SINGLE_CPU;
 205#endif
 206
 207        tmp &= ~CPU_CONF_AACK_DELAY_2;
 208
 209        tmp |= CPU_CONF_DP_VALID;
 210        tmp |= CPU_CONF_AP_VALID;
 211
 212        tmp |= CPU_CONF_PIPELINE;
 213
 214        GT_REG_WRITE (CPU_CONFIGURATION, tmp);  /* Marvell (VXWorks) writes 0x20220FF */
 215
 216        /* CPU master control register */
 217        tmp = GTREGREAD (CPU_MASTER_CONTROL);
 218
 219        tmp |= CPU_MAST_CTL_ARB_EN;
 220
 221        if ((cpu == CPU_7400) ||
 222            (cpu == CPU_7410) || (cpu == CPU_7455) || (cpu == CPU_7450)) {
 223
 224                tmp |= CPU_MAST_CTL_CLEAN_BLK;
 225                tmp |= CPU_MAST_CTL_FLUSH_BLK;
 226
 227        } else {
 228                /* cleanblock must be cleared for CPUs
 229                 * that do not support this command (603e, 750)
 230                 * see Res#1 */
 231                tmp &= ~CPU_MAST_CTL_CLEAN_BLK;
 232                tmp &= ~CPU_MAST_CTL_FLUSH_BLK;
 233        }
 234        GT_REG_WRITE (CPU_MASTER_CONTROL, tmp);
 235}
 236
 237/*
 238 * board_early_init_f.
 239 *
 240 * set up gal. device mappings, etc.
 241 */
 242int board_early_init_f (void)
 243{
 244        uchar sram_boot = 0;
 245
 246        /*
 247         * set up the GT the way the kernel wants it
 248         * the call to move the GT register space will obviously
 249         * fail if it has already been done, but we're going to assume
 250         * that if it's not at the power-on location, it's where we put
 251         * it last time. (huber)
 252         */
 253
 254        my_remap_gt_regs (CONFIG_SYS_DFL_GT_REGS, CONFIG_SYS_GT_REGS);
 255
 256        /* No PCI in first release of Port To_do: enable it. */
 257#ifdef CONFIG_PCI
 258        gt_pci_config ();
 259#endif
 260        /* mask all external interrupt sources */
 261        GT_REG_WRITE (CPU_INTERRUPT_MASK_REGISTER_LOW, 0);
 262        GT_REG_WRITE (CPU_INTERRUPT_MASK_REGISTER_HIGH, 0);
 263        /* new in MV6436x */
 264        GT_REG_WRITE (CPU_INTERRUPT_1_MASK_REGISTER_LOW, 0);
 265        GT_REG_WRITE (CPU_INTERRUPT_1_MASK_REGISTER_HIGH, 0);
 266        /* --------------------- */
 267        GT_REG_WRITE (PCI_0INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
 268        GT_REG_WRITE (PCI_0INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
 269        GT_REG_WRITE (PCI_1INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
 270        GT_REG_WRITE (PCI_1INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
 271        /* does not exist in MV6436x
 272           GT_REG_WRITE(CPU_INT_0_MASK, 0);
 273           GT_REG_WRITE(CPU_INT_1_MASK, 0);
 274           GT_REG_WRITE(CPU_INT_2_MASK, 0);
 275           GT_REG_WRITE(CPU_INT_3_MASK, 0);
 276           --------------------- */
 277
 278
 279        /* ----- DEVICE BUS SETTINGS ------ */
 280
 281        /*
 282         * EVB
 283         * 0 - SRAM   ????
 284         * 1 - RTC      ????
 285         * 2 - UART     ????
 286         * 3 - Flash    checked 32Bit Intel Strata
 287         * boot - BootCS checked 8Bit 29LV040B
 288         *
 289         * Zuma
 290         * 0 - Flash
 291         * boot - BootCS
 292         */
 293
 294        /*
 295         * the dual 7450 module requires burst access to the boot
 296         * device, so the serial rom copies the boot device to the
 297         * on-board sram on the eval board, and updates the correct
 298         * registers to boot from the sram. (device0)
 299         */
 300        if (memoryGetDeviceBaseAddress (DEVICE0) == CONFIG_SYS_DFL_BOOTCS_BASE)
 301                sram_boot = 1;
 302        if (!sram_boot)
 303                memoryMapDeviceSpace (DEVICE0, CONFIG_SYS_DEV0_SPACE, CONFIG_SYS_DEV0_SIZE);
 304
 305        memoryMapDeviceSpace (DEVICE1, CONFIG_SYS_DEV1_SPACE, CONFIG_SYS_DEV1_SIZE);
 306        memoryMapDeviceSpace (DEVICE2, CONFIG_SYS_DEV2_SPACE, CONFIG_SYS_DEV2_SIZE);
 307        memoryMapDeviceSpace (DEVICE3, CONFIG_SYS_DEV3_SPACE, CONFIG_SYS_DEV3_SIZE);
 308
 309
 310        /* configure device timing */
 311#ifdef CONFIG_SYS_DEV0_PAR              /* set port parameters for SRAM device module access */
 312        if (!sram_boot)
 313                GT_REG_WRITE (DEVICE_BANK0PARAMETERS, CONFIG_SYS_DEV0_PAR);
 314#endif
 315
 316#ifdef CONFIG_SYS_DEV1_PAR              /* set port parameters for RTC device module access */
 317        GT_REG_WRITE (DEVICE_BANK1PARAMETERS, CONFIG_SYS_DEV1_PAR);
 318#endif
 319#ifdef CONFIG_SYS_DEV2_PAR              /* set port parameters for DUART device module access */
 320        GT_REG_WRITE (DEVICE_BANK2PARAMETERS, CONFIG_SYS_DEV2_PAR);
 321#endif
 322
 323#ifdef CONFIG_SYS_32BIT_BOOT_PAR        /* set port parameters for Flash device module access */
 324        /* detect if we are booting from the 32 bit flash */
 325        if (GTREGREAD (DEVICE_BOOT_BANK_PARAMETERS) & (0x3 << 20)) {
 326                /* 32 bit boot flash */
 327                GT_REG_WRITE (DEVICE_BANK3PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR);
 328                GT_REG_WRITE (DEVICE_BOOT_BANK_PARAMETERS,
 329                              CONFIG_SYS_32BIT_BOOT_PAR);
 330        } else {
 331                /* 8 bit boot flash */
 332                GT_REG_WRITE (DEVICE_BANK3PARAMETERS, CONFIG_SYS_32BIT_BOOT_PAR);
 333                GT_REG_WRITE (DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR);
 334        }
 335#else
 336        /* 8 bit boot flash only */
 337/*      GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR);*/
 338#endif
 339
 340
 341        gt_cpu_config ();
 342
 343        /* MPP setup */
 344        GT_REG_WRITE (MPP_CONTROL0, CONFIG_SYS_MPP_CONTROL_0);
 345        GT_REG_WRITE (MPP_CONTROL1, CONFIG_SYS_MPP_CONTROL_1);
 346        GT_REG_WRITE (MPP_CONTROL2, CONFIG_SYS_MPP_CONTROL_2);
 347        GT_REG_WRITE (MPP_CONTROL3, CONFIG_SYS_MPP_CONTROL_3);
 348
 349        GT_REG_WRITE (GPP_LEVEL_CONTROL, CONFIG_SYS_GPP_LEVEL_CONTROL);
 350        DEBUG_LED0_ON ();
 351        DEBUG_LED1_ON ();
 352        DEBUG_LED2_ON ();
 353
 354        return 0;
 355}
 356
 357/* various things to do after relocation */
 358
 359int misc_init_r ()
 360{
 361        icache_enable ();
 362#ifdef CONFIG_SYS_L2
 363        l2cache_enable ();
 364#endif
 365#ifdef CONFIG_MPSC
 366
 367        mpsc_sdma_init ();
 368        mpsc_init2 ();
 369#endif
 370
 371#if 0
 372        /* disable the dcache and MMU */
 373        dcache_lock ();
 374#endif
 375        return 0;
 376}
 377
 378void after_reloc (ulong dest_addr, gd_t * gd)
 379{
 380        /* check to see if we booted from the sram.  If so, move things
 381         * back to the way they should be. (we're running from main
 382         * memory at this point now */
 383        if (memoryGetDeviceBaseAddress (DEVICE0) == CONFIG_SYS_DFL_BOOTCS_BASE) {
 384                memoryMapDeviceSpace (DEVICE0, CONFIG_SYS_DEV0_SPACE, CONFIG_SYS_DEV0_SIZE);
 385                memoryMapDeviceSpace (BOOT_DEVICE, CONFIG_SYS_DFL_BOOTCS_BASE, _8M);
 386        }
 387        display_mem_map ();
 388        /* now, jump to the main ppcboot board init code */
 389        board_init_r (gd, dest_addr);
 390        /* NOTREACHED */
 391}
 392
 393/* ------------------------------------------------------------------------- */
 394
 395/*
 396 * Check Board Identity:
 397 *
 398 * right now, assume borad type. (there is just one...after all)
 399 */
 400
 401int checkboard (void)
 402{
 403        int l_type = 0;
 404
 405        printf ("BOARD: %s\n", CONFIG_SYS_BOARD_NAME);
 406        return (l_type);
 407}
 408
 409/* utility functions */
 410void debug_led (int led, int mode)
 411{
 412        volatile int *addr = 0;
 413        int dummy;
 414
 415        if (mode == 1) {
 416                switch (led) {
 417                case 0:
 418                        addr = (int *) ((unsigned int) CONFIG_SYS_DEV1_SPACE |
 419                                        0x08000);
 420                        break;
 421
 422                case 1:
 423                        addr = (int *) ((unsigned int) CONFIG_SYS_DEV1_SPACE |
 424                                        0x0c000);
 425                        break;
 426
 427                case 2:
 428                        addr = (int *) ((unsigned int) CONFIG_SYS_DEV1_SPACE |
 429                                        0x10000);
 430                        break;
 431                }
 432        } else if (mode == 0) {
 433                switch (led) {
 434                case 0:
 435                        addr = (int *) ((unsigned int) CONFIG_SYS_DEV1_SPACE |
 436                                        0x14000);
 437                        break;
 438
 439                case 1:
 440                        addr = (int *) ((unsigned int) CONFIG_SYS_DEV1_SPACE |
 441                                        0x18000);
 442                        break;
 443
 444                case 2:
 445                        addr = (int *) ((unsigned int) CONFIG_SYS_DEV1_SPACE |
 446                                        0x1c000);
 447                        break;
 448                }
 449        }
 450
 451        dummy = *addr;
 452}
 453
 454int display_mem_map (void)
 455{
 456        int i, j;
 457        unsigned int base, size, width;
 458
 459        /* SDRAM */
 460        printf ("SD (DDR) RAM\n");
 461        for (i = 0; i <= BANK3; i++) {
 462                base = memoryGetBankBaseAddress (i);
 463                size = memoryGetBankSize (i);
 464                if (size != 0) {
 465                        printf ("BANK%d: base - 0x%08x\tsize - %dM bytes\n",
 466                                i, base, size >> 20);
 467                }
 468        }
 469
 470        /* CPU's PCI windows */
 471        for (i = 0; i <= PCI_HOST1; i++) {
 472                printf ("\nCPU's PCI %d windows\n", i);
 473                base = pciGetSpaceBase (i, PCI_IO);
 474                size = pciGetSpaceSize (i, PCI_IO);
 475                printf ("      IO: base - 0x%08x\tsize - %dM bytes\n", base,
 476                        size >> 20);
 477                for (j = 0;
 478                     j <=
 479                     PCI_REGION0
 480                     /*ronen currently only first PCI MEM is used 3 */ ;
 481                     j++) {
 482                        base = pciGetSpaceBase (i, j);
 483                        size = pciGetSpaceSize (i, j);
 484                        printf ("MEMORY %d: base - 0x%08x\tsize - %dM bytes\n", j, base, size >> 20);
 485                }
 486        }
 487
 488        /* Devices */
 489        printf ("\nDEVICES\n");
 490        for (i = 0; i <= DEVICE3; i++) {
 491                base = memoryGetDeviceBaseAddress (i);
 492                size = memoryGetDeviceSize (i);
 493                width = memoryGetDeviceWidth (i) * 8;
 494                printf ("DEV %d:  base - 0x%08x  size - %dM bytes\twidth - %d bits", i, base, size >> 20, width);
 495                if (i == 0)
 496                        printf ("\t- EXT SRAM (actual - 1M)\n");
 497                else if (i == 1)
 498                        printf ("\t- RTC\n");
 499                else if (i == 2)
 500                        printf ("\t- UART\n");
 501                else
 502                        printf ("\t- LARGE FLASH\n");
 503        }
 504
 505        /* Bootrom */
 506        base = memoryGetDeviceBaseAddress (BOOT_DEVICE);        /* Boot */
 507        size = memoryGetDeviceSize (BOOT_DEVICE);
 508        width = memoryGetDeviceWidth (BOOT_DEVICE) * 8;
 509        printf (" BOOT:  base - 0x%08x  size - %dM bytes\twidth - %d bits\n",
 510                base, size >> 20, width);
 511        return (0);
 512}
 513
 514/* DRAM check routines copied from gw8260 */
 515
 516#if defined (CONFIG_SYS_DRAM_TEST)
 517
 518/*********************************************************************/
 519/* NAME:  move64() -  moves a double word (64-bit)                   */
 520/*                                                                   */
 521/* DESCRIPTION:                                                      */
 522/*   this function performs a double word move from the data at      */
 523/*   the source pointer to the location at the destination pointer.  */
 524/*                                                                   */
 525/* INPUTS:                                                           */
 526/*   unsigned long long *src  - pointer to data to move              */
 527/*                                                                   */
 528/* OUTPUTS:                                                          */
 529/*   unsigned long long *dest - pointer to locate to move data       */
 530/*                                                                   */
 531/* RETURNS:                                                          */
 532/*   None                                                            */
 533/*                                                                   */
 534/* RESTRICTIONS/LIMITATIONS:                                         */
 535/*   May cloober fr0.                                                */
 536/*                                                                   */
 537/*********************************************************************/
 538static void move64 (unsigned long long *src, unsigned long long *dest)
 539{
 540        asm ("lfd  0, 0(3)\n\t" /* fpr0   =  *scr       */
 541             "stfd 0, 0(4)"     /* *dest  =  fpr0       */
 542      : : : "fr0");             /* Clobbers fr0         */
 543        return;
 544}
 545
 546
 547#if defined (CONFIG_SYS_DRAM_TEST_DATA)
 548
 549unsigned long long pattern[] = {
 550        0xaaaaaaaaaaaaaaaaULL,
 551        0xccccccccccccccccULL,
 552        0xf0f0f0f0f0f0f0f0ULL,
 553        0xff00ff00ff00ff00ULL,
 554        0xffff0000ffff0000ULL,
 555        0xffffffff00000000ULL,
 556        0x00000000ffffffffULL,
 557        0x0000ffff0000ffffULL,
 558        0x00ff00ff00ff00ffULL,
 559        0x0f0f0f0f0f0f0f0fULL,
 560        0x3333333333333333ULL,
 561        0x5555555555555555ULL,
 562};
 563
 564/*********************************************************************/
 565/* NAME:  mem_test_data() -  test data lines for shorts and opens    */
 566/*                                                                   */
 567/* DESCRIPTION:                                                      */
 568/*   Tests data lines for shorts and opens by forcing adjacent data  */
 569/*   to opposite states. Because the data lines could be routed in   */
 570/*   an arbitrary manner the must ensure test patterns ensure that   */
 571/*   every case is tested. By using the following series of binary   */
 572/*   patterns every combination of adjacent bits is test regardless  */
 573/*   of routing.                                                     */
 574/*                                                                   */
 575/*     ...101010101010101010101010                                   */
 576/*     ...110011001100110011001100                                   */
 577/*     ...111100001111000011110000                                   */
 578/*     ...111111110000000011111111                                   */
 579/*                                                                   */
 580/*   Carrying this out, gives us six hex patterns as follows:        */
 581/*                                                                   */
 582/*     0xaaaaaaaaaaaaaaaa                                            */
 583/*     0xcccccccccccccccc                                            */
 584/*     0xf0f0f0f0f0f0f0f0                                            */
 585/*     0xff00ff00ff00ff00                                            */
 586/*     0xffff0000ffff0000                                            */
 587/*     0xffffffff00000000                                            */
 588/*                                                                   */
 589/*   The number test patterns will always be given by:               */
 590/*                                                                   */
 591/*   log(base 2)(number data bits) = log2 (64) = 6                   */
 592/*                                                                   */
 593/*   To test for short and opens to other signals on our boards. we  */
 594/*   simply                                                          */
 595/*   test with the 1's complemnt of the paterns as well.             */
 596/*                                                                   */
 597/* OUTPUTS:                                                          */
 598/*   Displays failing test pattern                                   */
 599/*                                                                   */
 600/* RETURNS:                                                          */
 601/*   0 -  Passed test                                                */
 602/*   1 -  Failed test                                                */
 603/*                                                                   */
 604/* RESTRICTIONS/LIMITATIONS:                                         */
 605/*  Assumes only one one SDRAM bank                                  */
 606/*                                                                   */
 607/*********************************************************************/
 608int mem_test_data (void)
 609{
 610        unsigned long long *pmem = (unsigned long long *) CONFIG_SYS_MEMTEST_START;
 611        unsigned long long temp64 = 0;
 612        int num_patterns = sizeof (pattern) / sizeof (pattern[0]);
 613        int i;
 614        unsigned int hi, lo;
 615
 616        for (i = 0; i < num_patterns; i++) {
 617                move64 (&(pattern[i]), pmem);
 618                move64 (pmem, &temp64);
 619
 620                /* hi = (temp64>>32) & 0xffffffff;          */
 621                /* lo = temp64 & 0xffffffff;                */
 622                /* printf("\ntemp64 = 0x%08x%08x", hi, lo); */
 623
 624                hi = (pattern[i] >> 32) & 0xffffffff;
 625                lo = pattern[i] & 0xffffffff;
 626                /* printf("\npattern[%d] = 0x%08x%08x", i, hi, lo);  */
 627
 628                if (temp64 != pattern[i]) {
 629                        printf ("\n   Data Test Failed, pattern 0x%08x%08x",
 630                                hi, lo);
 631                        return 1;
 632                }
 633        }
 634
 635        return 0;
 636}
 637#endif /* CONFIG_SYS_DRAM_TEST_DATA */
 638
 639#if defined (CONFIG_SYS_DRAM_TEST_ADDRESS)
 640/*********************************************************************/
 641/* NAME:  mem_test_address() -  test address lines                   */
 642/*                                                                   */
 643/* DESCRIPTION:                                                      */
 644/*   This function performs a test to verify that each word im       */
 645/*   memory is uniquly addressable. The test sequence is as follows: */
 646/*                                                                   */
 647/*   1) write the address of each word to each word.                 */
 648/*   2) verify that each location equals its address                 */
 649/*                                                                   */
 650/* OUTPUTS:                                                          */
 651/*   Displays failing test pattern and address                       */
 652/*                                                                   */
 653/* RETURNS:                                                          */
 654/*   0 -  Passed test                                                */
 655/*   1 -  Failed test                                                */
 656/*                                                                   */
 657/* RESTRICTIONS/LIMITATIONS:                                         */
 658/*                                                                   */
 659/*                                                                   */
 660/*********************************************************************/
 661int mem_test_address (void)
 662{
 663        volatile unsigned int *pmem =
 664                (volatile unsigned int *) CONFIG_SYS_MEMTEST_START;
 665        const unsigned int size = (CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START) / 4;
 666        unsigned int i;
 667
 668        /* write address to each location */
 669        for (i = 0; i < size; i++) {
 670                pmem[i] = i;
 671        }
 672
 673        /* verify each loaction */
 674        for (i = 0; i < size; i++) {
 675                if (pmem[i] != i) {
 676                        printf ("\n   Address Test Failed at 0x%x", i);
 677                        return 1;
 678                }
 679        }
 680        return 0;
 681}
 682#endif /* CONFIG_SYS_DRAM_TEST_ADDRESS */
 683
 684#if defined (CONFIG_SYS_DRAM_TEST_WALK)
 685/*********************************************************************/
 686/* NAME:   mem_march() -  memory march                               */
 687/*                                                                   */
 688/* DESCRIPTION:                                                      */
 689/*   Marches up through memory. At each location verifies rmask if   */
 690/*   read = 1. At each location write wmask if  write = 1. Displays  */
 691/*   failing address and pattern.                                    */
 692/*                                                                   */
 693/* INPUTS:                                                           */
 694/*   volatile unsigned long long * base - start address of test      */
 695/*   unsigned int size - number of dwords(64-bit) to test            */
 696/*   unsigned long long rmask - read verify mask                     */
 697/*   unsigned long long wmask - wrtie verify mask                    */
 698/*   short read - verifies rmask if read = 1                         */
 699/*   short write  - writes wmask if write = 1                        */
 700/*                                                                   */
 701/* OUTPUTS:                                                          */
 702/*   Displays failing test pattern and address                       */
 703/*                                                                   */
 704/* RETURNS:                                                          */
 705/*   0 -  Passed test                                                */
 706/*   1 -  Failed test                                                */
 707/*                                                                   */
 708/* RESTRICTIONS/LIMITATIONS:                                         */
 709/*                                                                   */
 710/*                                                                   */
 711/*********************************************************************/
 712int mem_march (volatile unsigned long long *base,
 713               unsigned int size,
 714               unsigned long long rmask,
 715               unsigned long long wmask, short read, short write)
 716{
 717        unsigned int i;
 718        unsigned long long temp = 0;
 719        unsigned int hitemp, lotemp, himask, lomask;
 720
 721        for (i = 0; i < size; i++) {
 722                if (read != 0) {
 723                        /* temp = base[i]; */
 724                        move64 ((unsigned long long *) &(base[i]), &temp);
 725                        if (rmask != temp) {
 726                                hitemp = (temp >> 32) & 0xffffffff;
 727                                lotemp = temp & 0xffffffff;
 728                                himask = (rmask >> 32) & 0xffffffff;
 729                                lomask = rmask & 0xffffffff;
 730
 731                                printf ("\n Walking one's test failed: address = 0x%08x," "\n\texpected 0x%08x%08x, found 0x%08x%08x", i << 3, himask, lomask, hitemp, lotemp);
 732                                return 1;
 733                        }
 734                }
 735                if (write != 0) {
 736                        /*  base[i] = wmask; */
 737                        move64 (&wmask, (unsigned long long *) &(base[i]));
 738                }
 739        }
 740        return 0;
 741}
 742#endif /* CONFIG_SYS_DRAM_TEST_WALK */
 743
 744/*********************************************************************/
 745/* NAME:   mem_test_walk() -  a simple walking ones test             */
 746/*                                                                   */
 747/* DESCRIPTION:                                                      */
 748/*   Performs a walking ones through entire physical memory. The     */
 749/*   test uses as series of memory marches, mem_march(), to verify   */
 750/*   and write the test patterns to memory. The test sequence is as  */
 751/*   follows:                                                        */
 752/*     1) march writing 0000...0001                                  */
 753/*     2) march verifying 0000...0001  , writing  0000...0010        */
 754/*     3) repeat step 2 shifting masks left 1 bit each time unitl    */
 755/*         the write mask equals 1000...0000                         */
 756/*     4) march verifying 1000...0000                                */
 757/*   The test fails if any of the memory marches return a failure.   */
 758/*                                                                   */
 759/* OUTPUTS:                                                          */
 760/*   Displays which pass on the memory test is executing             */
 761/*                                                                   */
 762/* RETURNS:                                                          */
 763/*   0 -  Passed test                                                */
 764/*   1 -  Failed test                                                */
 765/*                                                                   */
 766/* RESTRICTIONS/LIMITATIONS:                                         */
 767/*                                                                   */
 768/*                                                                   */
 769/*********************************************************************/
 770int mem_test_walk (void)
 771{
 772        unsigned long long mask;
 773        volatile unsigned long long *pmem =
 774                (volatile unsigned long long *) CONFIG_SYS_MEMTEST_START;
 775        const unsigned long size = (CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START) / 8;
 776
 777        unsigned int i;
 778
 779        mask = 0x01;
 780
 781        printf ("Initial Pass");
 782        mem_march (pmem, size, 0x0, 0x1, 0, 1);
 783
 784        printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
 785        printf ("               ");
 786        printf ("         ");
 787        printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
 788
 789        for (i = 0; i < 63; i++) {
 790                printf ("Pass %2d", i + 2);
 791                if (mem_march (pmem, size, mask, mask << 1, 1, 1) != 0) {
 792                        /*printf("mask: 0x%x, pass: %d, ", mask, i); */
 793                        return 1;
 794                }
 795                mask = mask << 1;
 796                printf ("\b\b\b\b\b\b\b");
 797        }
 798
 799        printf ("Last Pass");
 800        if (mem_march (pmem, size, 0, mask, 0, 1) != 0) {
 801                /* printf("mask: 0x%x", mask); */
 802                return 1;
 803        }
 804        printf ("\b\b\b\b\b\b\b\b\b");
 805        printf ("            ");
 806        printf ("\b\b\b\b\b\b\b\b\b");
 807
 808        return 0;
 809}
 810
 811/*********************************************************************/
 812/* NAME:    testdram() -  calls any enabled memory tests             */
 813/*                                                                   */
 814/* DESCRIPTION:                                                      */
 815/*   Runs memory tests if the environment test variables are set to  */
 816/*   'y'.                                                            */
 817/*                                                                   */
 818/* INPUTS:                                                           */
 819/*   testdramdata    - If set to 'y', data test is run.              */
 820/*   testdramaddress - If set to 'y', address test is run.           */
 821/*   testdramwalk    - If set to 'y', walking ones test is run       */
 822/*                                                                   */
 823/* OUTPUTS:                                                          */
 824/*   None                                                            */
 825/*                                                                   */
 826/* RETURNS:                                                          */
 827/*   0 -  Passed test                                                */
 828/*   1 -  Failed test                                                */
 829/*                                                                   */
 830/* RESTRICTIONS/LIMITATIONS:                                         */
 831/*                                                                   */
 832/*                                                                   */
 833/*********************************************************************/
 834int testdram (void)
 835{
 836        char *s;
 837        int rundata, runaddress, runwalk;
 838
 839        s = getenv ("testdramdata");
 840        rundata = (s && (*s == 'y')) ? 1 : 0;
 841        s = getenv ("testdramaddress");
 842        runaddress = (s && (*s == 'y')) ? 1 : 0;
 843        s = getenv ("testdramwalk");
 844        runwalk = (s && (*s == 'y')) ? 1 : 0;
 845
 846/*    rundata = 1; */
 847/*    runaddress = 0; */
 848/*    runwalk = 0; */
 849
 850        if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
 851                printf ("Testing RAM from 0x%08x to 0x%08x ...  (don't panic... that will take a moment !!!!)\n", CONFIG_SYS_MEMTEST_START, CONFIG_SYS_MEMTEST_END);
 852        }
 853#ifdef CONFIG_SYS_DRAM_TEST_DATA
 854        if (rundata == 1) {
 855                printf ("Test DATA ...  ");
 856                if (mem_test_data () == 1) {
 857                        printf ("failed \n");
 858                        return 1;
 859                } else
 860                        printf ("ok \n");
 861        }
 862#endif
 863#ifdef CONFIG_SYS_DRAM_TEST_ADDRESS
 864        if (runaddress == 1) {
 865                printf ("Test ADDRESS ...  ");
 866                if (mem_test_address () == 1) {
 867                        printf ("failed \n");
 868                        return 1;
 869                } else
 870                        printf ("ok \n");
 871        }
 872#endif
 873#ifdef CONFIG_SYS_DRAM_TEST_WALK
 874        if (runwalk == 1) {
 875                printf ("Test WALKING ONEs ...  ");
 876                if (mem_test_walk () == 1) {
 877                        printf ("failed \n");
 878                        return 1;
 879                } else
 880                        printf ("ok \n");
 881        }
 882#endif
 883        if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
 884                printf ("passed\n");
 885        }
 886        return 0;
 887
 888}
 889#endif /* CONFIG_SYS_DRAM_TEST */
 890
 891/* ronen - the below functions are used by the bootm function           */
 892/*  - we map the base register to fbe00000 (same mapping as in the LSP) */
 893/*  - we turn off the RX gig dmas - to prevent the dma from overunning  */
 894/*    the kernel data areas.                                            */
 895/*  - we diable and invalidate the icache and dcache.                   */
 896void my_remap_gt_regs_bootm (u32 cur_loc, u32 new_loc)
 897{
 898        u32 temp;
 899
 900        temp = in_le32 ((u32 *) (new_loc + INTERNAL_SPACE_DECODE));
 901        if ((temp & 0xffff) == new_loc >> 16)
 902                return;
 903
 904        temp = (in_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE)) &
 905                0xffff0000) | (new_loc >> 16);
 906
 907        out_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE), temp);
 908
 909        while ((WORD_SWAP (*((volatile unsigned int *) (NONE_CACHEABLE |
 910                                                        new_loc |
 911                                                        (INTERNAL_SPACE_DECODE)))))
 912               != temp);
 913
 914}
 915
 916void board_prebootm_init ()
 917{
 918
 919/* change window size of PCI1 IO in order tp prevent overlaping with REG BASE. */
 920                GT_REG_WRITE (PCI_1_IO_SIZE, (_64K - 1) >> 16);
 921
 922/* Stop GigE Rx DMA engines */
 923        GT_REG_WRITE (MV64360_ETH_RECEIVE_QUEUE_COMMAND_REG (0), 0x0000ff00);
 924        GT_REG_WRITE (MV64360_ETH_RECEIVE_QUEUE_COMMAND_REG (1), 0x0000ff00);
 925/* MV_REG_WRITE (MV64360_ETH_RECEIVE_QUEUE_COMMAND_REG(2), 0x0000ff00); */
 926
 927/* Relocate MV64360 internal regs */
 928        my_remap_gt_regs_bootm (CONFIG_SYS_GT_REGS, BRIDGE_REG_BASE_BOOTM);
 929
 930        icache_disable ();
 931        dcache_disable ();
 932}
 933
 934int board_eth_init(bd_t *bis)
 935{
 936        return pci_eth_init(bis);
 937}
 938