sys/mips/cavium/octeon_machdep.c

   1 /*-
   2  * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28 #include <sys/cdefs.h>
  29 __FBSDID("$FreeBSD$");
  30
  31 #include <sys/param.h>
  32 #include <sys/conf.h>
  33 #include <sys/kernel.h>
  34 #include <sys/systm.h>
  35 #include <sys/imgact.h>
  36 #include <sys/bio.h>
  37 #include <sys/buf.h>
  38 #include <sys/bus.h>
  39 #include <sys/cpu.h>
  40 #include <sys/cons.h>
  41 #include <sys/exec.h>
  42 #include <sys/ucontext.h>
  43 #include <sys/proc.h>
  44 #include <sys/kdb.h>
  45 #include <sys/ptrace.h>
  46 #include <sys/reboot.h>
  47 #include <sys/signalvar.h>
  48 #include <sys/sysctl.h>
  49 #include <sys/sysent.h>
  50 #include <sys/sysproto.h>
  51 #include <sys/time.h>
  52 #include <sys/timetc.h>
  53 #include <sys/user.h>
  54
  55 #include <vm/vm.h>
  56 #include <vm/vm_object.h>
  57 #include <vm/vm_page.h>
  58
  59 #include <machine/atomic.h>
  60 #include <machine/cache.h>
  61 #include <machine/clock.h>
  62 #include <machine/cpu.h>
  63 #include <machine/cpuregs.h>
  64 #include <machine/cpufunc.h>
  65 #include <mips/cavium/octeon_pcmap_regs.h>
  66 #include <machine/hwfunc.h>
  67 #include <machine/intr_machdep.h>
  68 #include <machine/locore.h>
  69 #include <machine/md_var.h>
  70 #include <machine/pcpu.h>
  71 #include <machine/pte.h>
  72 #include <machine/trap.h>
  73 #include <machine/vmparam.h>
  74
  75 #include <contrib/octeon-sdk/cvmx.h>
  76 #include <contrib/octeon-sdk/cvmx-bootmem.h>
  77 #include <contrib/octeon-sdk/cvmx-ebt3000.h>
  78 #include <contrib/octeon-sdk/cvmx-helper-cfg.h>
  79 #include <contrib/octeon-sdk/cvmx-interrupt.h>
  80 #include <contrib/octeon-sdk/cvmx-version.h>
  81
  82 #include <mips/cavium/octeon_irq.h>
  83
  84 #if defined(__mips_n64)
  85 #define MAX_APP_DESC_ADDR     0xffffffffafffffff
  86 #else
  87 #define MAX_APP_DESC_ADDR     0xafffffff
  88 #endif
  89
  90 struct octeon_feature_description {
  91         octeon_feature_t ofd_feature;
  92         const char *ofd_string;
  93 };
  94
  95 extern int      *end;
  96 extern char cpu_model[];
  97 extern char cpu_board[];
  98 static char octeon_kenv[0x2000];
  99
 100 static const struct octeon_feature_description octeon_feature_descriptions[] = {
 101         { OCTEON_FEATURE_SAAD,                  "SAAD" },
 102         { OCTEON_FEATURE_ZIP,                   "ZIP" },
 103         { OCTEON_FEATURE_CRYPTO,                "CRYPTO" },
 104         { OCTEON_FEATURE_DORM_CRYPTO,           "DORM_CRYPTO" },
 105         { OCTEON_FEATURE_PCIE,                  "PCIE" },
 106         { OCTEON_FEATURE_SRIO,                  "SRIO" },
 107         { OCTEON_FEATURE_KEY_MEMORY,            "KEY_MEMORY" },
 108         { OCTEON_FEATURE_LED_CONTROLLER,        "LED_CONTROLLER" },
 109         { OCTEON_FEATURE_TRA,                   "TRA" },
 110         { OCTEON_FEATURE_MGMT_PORT,             "MGMT_PORT" },
 111         { OCTEON_FEATURE_RAID,                  "RAID" },
 112         { OCTEON_FEATURE_USB,                   "USB" },
 113         { OCTEON_FEATURE_NO_WPTR,               "NO_WPTR" },
 114         { OCTEON_FEATURE_DFA,                   "DFA" },
 115         { OCTEON_FEATURE_MDIO_CLAUSE_45,        "MDIO_CLAUSE_45" },
 116         { OCTEON_FEATURE_NPEI,                  "NPEI" },
 117         { OCTEON_FEATURE_ILK,                   "ILK" },
 118         { OCTEON_FEATURE_HFA,                   "HFA" },
 119         { OCTEON_FEATURE_DFM,                   "DFM" },
 120         { OCTEON_FEATURE_CIU2,                  "CIU2" },
 121         { OCTEON_FEATURE_DICI_MODE,             "DICI_MODE" },
 122         { OCTEON_FEATURE_BIT_EXTRACTOR,         "BIT_EXTRACTOR" },
 123         { OCTEON_FEATURE_NAND,                  "NAND" },
 124         { OCTEON_FEATURE_MMC,                   "MMC" },
 125         { OCTEON_FEATURE_PKND,                  "PKND" },
 126         { OCTEON_FEATURE_CN68XX_WQE,            "CN68XX_WQE" },
 127         { 0,                                    NULL }
 128 };
 129
 130 static uint64_t octeon_get_ticks(void);
 131 static unsigned octeon_get_timecount(struct timecounter *tc);
 132
 133 static void octeon_boot_params_init(register_t ptr);
 134 static void octeon_init_kenv(register_t ptr);
 135
 136 static struct timecounter octeon_timecounter = {
 137         octeon_get_timecount,   /* get_timecount */
 138         0,                      /* no poll_pps */
 139         0xffffffffu,            /* octeon_mask */
 140         0,                      /* frequency */
 141         "Octeon",               /* name */
 142         900,                    /* quality (adjusted in code) */
 143 };
 144
 145 void
 146 platform_cpu_init()
 147 {
 148         /* Nothing special yet */
 149 }
 150
 151 /*
 152  * Perform a board-level soft-reset.
 153  */
 154 void
 155 platform_reset(void)
 156 {
 157         cvmx_write_csr(CVMX_CIU_SOFT_RST, 1);
 158 }
 159
 160 /*
 161  * octeon_debug_symbol
 162  *
 163  * Does nothing.
 164  * Used to mark the point for simulator to begin tracing
 165  */
 166 void
 167 octeon_debug_symbol(void)
 168 {
 169 }
 170
 171 /*
 172  * octeon_ciu_reset
 173  *
 174  * Shutdown all CIU to IP2, IP3 mappings
 175  */
 176 void
 177 octeon_ciu_reset(void)
 178 {
 179         uint64_t cvmctl;
 180
 181         /* Disable all CIU interrupts by default */
 182         cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num()*2), 0);
 183         cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num()*2+1), 0);
 184         cvmx_write_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num()*2), 0);
 185         cvmx_write_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num()*2+1), 0);
 186
 187 #ifdef SMP
 188         /* Enable the MBOX interrupts.  */
 189         cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num()*2+1),
 190                        (1ull << (OCTEON_IRQ_MBOX0 - 8)) |
 191                        (1ull << (OCTEON_IRQ_MBOX1 - 8)));
 192 #endif
 193
 194         /*
 195          * Move the Performance Counter interrupt to OCTEON_PMC_IRQ
 196          */
 197         cvmctl = mips_rd_cvmctl();
 198         cvmctl &= ~(7 << 7);
 199         cvmctl |= (OCTEON_PMC_IRQ + 2) << 7;
 200         mips_wr_cvmctl(cvmctl);
 201 }
 202
 203 static void
 204 octeon_memory_init(void)
 205 {
 206         vm_paddr_t phys_end;
 207         int64_t addr;
 208         unsigned i, j;
 209
 210         phys_end = round_page(MIPS_KSEG0_TO_PHYS((vm_offset_t)&end));
 211
 212         if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM) {
 213                 /* Simulator we limit to 96 meg */
 214                 phys_avail[0] = phys_end;
 215                 phys_avail[1] = 96 << 20;
 216
 217                 dump_avail[0] = phys_avail[0];
 218                 dump_avail[1] = phys_avail[1];
 219
 220                 realmem = physmem = btoc(phys_avail[1] - phys_avail[0]);
 221                 return;
 222         }
 223
 224         /*
 225          * Allocate memory from bootmem 1MB at a time and merge
 226          * adjacent entries.
 227          */
 228         i = 0;
 229         while (i < PHYS_AVAIL_ENTRIES) {
 230                 /*
 231                  * If there is less than 2MB of memory available in 128-byte
 232                  * blocks, do not steal any more memory.  We need to leave some
 233                  * memory for the command queues to be allocated out of.
 234                  */
 235                 if (cvmx_bootmem_available_mem(128) < 2 << 20)
 236                         break;
 237
 238                 addr = cvmx_bootmem_phy_alloc(1 << 20, phys_end,
 239                                               ~(vm_paddr_t)0, PAGE_SIZE, 0);
 240                 if (addr == -1)
 241                         break;
 242
 243                 /*
 244                  * The SDK needs to be able to easily map any memory that might
 245                  * come to it e.g. in the form of an mbuf.  Because on !n64 we
 246                  * can't direct-map some addresses and we don't want to manage
 247                  * temporary mappings within the SDK, don't feed memory that
 248                  * can't be direct-mapped to the kernel.
 249                  */
 250 #if !defined(__mips_n64)
 251                 if (!MIPS_DIRECT_MAPPABLE(addr + (1 << 20) - 1))
 252                         continue;
 253 #endif
 254
 255                 physmem += btoc(1 << 20);
 256
 257                 if (i > 0 && phys_avail[i - 1] == addr) {
 258                         phys_avail[i - 1] += 1 << 20;
 259                         continue;
 260                 }
 261
 262                 phys_avail[i + 0] = addr;
 263                 phys_avail[i + 1] = addr + (1 << 20);
 264
 265                 i += 2;
 266         }
 267
 268         for (j = 0; j < i; j++)
 269                 dump_avail[j] = phys_avail[j];
 270
 271         realmem = physmem;
 272 }
 273
 274 void
 275 platform_start(__register_t a0, __register_t a1, __register_t a2 __unused,
 276     __register_t a3)
 277 {
 278         const struct octeon_feature_description *ofd;
 279         uint64_t platform_counter_freq;
 280         int rv;
 281
 282         mips_postboot_fixup();
 283
 284         /*
 285          * Initialize boot parameters so that we can determine things like
 286          * which console we shoud use, etc.
 287          */
 288         octeon_boot_params_init(a3);
 289
 290         /* Initialize pcpu stuff */
 291         mips_pcpu0_init();
 292         mips_timer_early_init(cvmx_sysinfo_get()->cpu_clock_hz);
 293
 294         /* Initialize console.  */
 295         cninit();
 296
 297         /*
 298          * Display information about the CPU.
 299          */
 300 #if !defined(OCTEON_MODEL)
 301         printf("Using runtime CPU model checks.\n");
 302 #else
 303         printf("Compiled for CPU model: " __XSTRING(OCTEON_MODEL) "\n");
 304 #endif
 305         strcpy(cpu_model, octeon_model_get_string(cvmx_get_proc_id()));
 306         printf("CPU Model: %s\n", cpu_model);
 307         printf("CPU clock: %uMHz  Core Mask: %#x\n",
 308                cvmx_sysinfo_get()->cpu_clock_hz / 1000000,
 309                cvmx_sysinfo_get()->core_mask);
 310         rv = octeon_model_version_check(cvmx_get_proc_id());
 311         if (rv == -1)
 312                 panic("%s: kernel not compatible with this processor.", __func__);
 313
 314         /*
 315          * Display information about the board.
 316          */
 317 #if defined(OCTEON_BOARD_CAPK_0100ND)
 318         strcpy(cpu_board, "CAPK-0100ND");
 319         if (cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_CN3010_EVB_HS5) {
 320                 panic("Compiled for %s, but board type is %s.", cpu_board,
 321                        cvmx_board_type_to_string(cvmx_sysinfo_get()->board_type));
 322         }
 323 #else
 324         strcpy(cpu_board,
 325                cvmx_board_type_to_string(cvmx_sysinfo_get()->board_type));
 326 #endif
 327         printf("Board: %s\n", cpu_board);
 328         printf("Board Type: %u  Revision: %u/%u\n",
 329                cvmx_sysinfo_get()->board_type,
 330                cvmx_sysinfo_get()->board_rev_major,
 331                cvmx_sysinfo_get()->board_rev_minor);
 332         printf("Serial number: %s\n", cvmx_sysinfo_get()->board_serial_number);
 333
 334         /*
 335          * Additional on-chip hardware/settings.
 336          *
 337          * XXX Display PCI host/target?  What else?
 338          */
 339         printf("MAC address base: %6D (%u configured)\n",
 340                cvmx_sysinfo_get()->mac_addr_base, ":",
 341                cvmx_sysinfo_get()->mac_addr_count);
 342
 343
 344         octeon_ciu_reset();
 345         /*
 346          * Convert U-Boot 'bootoctlinux' loader command line arguments into
 347          * boot flags and kernel environment variables.
 348          */
 349         bootverbose = 1;
 350         octeon_init_kenv(a3);
 351
 352         /*
 353          * For some reason on the cn38xx simulator ebase register is set to
 354          * 0x80001000 at bootup time.  Move it back to the default, but
 355          * when we move to having support for multiple executives, we need
 356          * to rethink this.
 357          */
 358         mips_wr_ebase(0x80000000);
 359
 360         octeon_memory_init();
 361         init_param1();
 362         init_param2(physmem);
 363         mips_cpu_init();
 364         pmap_bootstrap();
 365         mips_proc0_init();
 366         mutex_init();
 367         kdb_init();
 368 #ifdef KDB
 369         if (boothowto & RB_KDB)
 370                 kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger");
 371 #endif
 372         cpu_clock = cvmx_sysinfo_get()->cpu_clock_hz;
 373         platform_counter_freq = cpu_clock;
 374         octeon_timecounter.tc_frequency = cpu_clock;
 375         platform_timecounter = &octeon_timecounter;
 376         mips_timer_init_params(platform_counter_freq, 0);
 377         set_cputicker(octeon_get_ticks, cpu_clock, 0);
 378
 379 #ifdef SMP
 380         /*
 381          * Clear any pending IPIs.
 382          */
 383         cvmx_write_csr(CVMX_CIU_MBOX_CLRX(0), 0xffffffff);
 384 #endif
 385
 386         printf("Octeon SDK: %s\n", OCTEON_SDK_VERSION_STRING);
 387         printf("Available Octeon features:");
 388         for (ofd = octeon_feature_descriptions; ofd->ofd_string != NULL; ofd++)
 389                 if (octeon_has_feature(ofd->ofd_feature))
 390                         printf(" %s", ofd->ofd_string);
 391         printf("\n");
 392 }
 393
 394 static uint64_t
 395 octeon_get_ticks(void)
 396 {
 397         uint64_t cvmcount;
 398
 399         CVMX_MF_CYCLE(cvmcount);
 400         return (cvmcount);
 401 }
 402
 403 static unsigned
 404 octeon_get_timecount(struct timecounter *tc)
 405 {
 406         return ((unsigned)octeon_get_ticks());
 407 }
 408
 409 static int
 410 sysctl_machdep_led_display(SYSCTL_HANDLER_ARGS)
 411 {
 412         size_t buflen;
 413         char buf[9];
 414         int error;
 415
 416         if (req->newptr == NULL)
 417                 return (EINVAL);
 418
 419         if (cvmx_sysinfo_get()->led_display_base_addr == 0)
 420                 return (ENODEV);
 421
 422         /*
 423          * Revision 1.x of the EBT3000 only supports 4 characters, but
 424          * other devices support 8.
 425          */
 426         if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 &&
 427             cvmx_sysinfo_get()->board_rev_major == 1)
 428                 buflen = 4;
 429         else
 430                 buflen = 8;
 431
 432         if (req->newlen > buflen)
 433                 return (E2BIG);
 434
 435         error = SYSCTL_IN(req, buf, req->newlen);
 436         if (error != 0)
 437                 return (error);
 438
 439         buf[req->newlen] = '\0';
 440         ebt3000_str_write(buf);
 441
 442         return (0);
 443 }
 444
 445 SYSCTL_PROC(_machdep, OID_AUTO, led_display, CTLTYPE_STRING | CTLFLAG_WR,
 446     NULL, 0, sysctl_machdep_led_display, "A",
 447     "String to display on LED display");
 448
 449 void
 450 cvmx_dvprintf(const char *fmt, va_list ap)
 451 {
 452         if (!bootverbose)
 453                 return;
 454         vprintf(fmt, ap);
 455 }
 456
 457 void
 458 cvmx_dprintf(const char *fmt, ...)
 459 {
 460         va_list ap;
 461
 462         va_start(ap, fmt);
 463         cvmx_dvprintf(fmt, ap);
 464         va_end(ap);
 465 }
 466
 467 /**
 468  * version of printf that works better in exception context.
 469  *
 470  * @param format
 471  *
 472  * XXX If this function weren't in cvmx-interrupt.c, we'd use the SDK version.
 473  */
 474 void cvmx_safe_printf(const char *format, ...)
 475 {
 476     char buffer[256];
 477     char *ptr = buffer;
 478     int count;
 479     va_list args;
 480
 481     va_start(args, format);
 482 #ifndef __U_BOOT__
 483     count = vsnprintf(buffer, sizeof(buffer), format, args);
 484 #else
 485     count = vsprintf(buffer, format, args);
 486 #endif
 487     va_end(args);
 488
 489     while (count-- > 0)
 490     {
 491         cvmx_uart_lsr_t lsrval;
 492
 493         /* Spin until there is room */
 494         do
 495         {
 496             lsrval.u64 = cvmx_read_csr(CVMX_MIO_UARTX_LSR(0));
 497 #if !defined(CONFIG_OCTEON_SIM_SPEED)
 498             if (lsrval.s.temt == 0)
 499                 cvmx_wait(10000);   /* Just to reduce the load on the system */
 500 #endif
 501         }
 502         while (lsrval.s.temt == 0);
 503
 504         if (*ptr == '\n')
 505             cvmx_write_csr(CVMX_MIO_UARTX_THR(0), '\r');
 506         cvmx_write_csr(CVMX_MIO_UARTX_THR(0), *ptr++);
 507     }
 508 }
 509
 510 /* impSTART: This stuff should move back into the Cavium SDK */
 511 /*
 512  ****************************************************************************************
 513  *
 514  * APP/BOOT  DESCRIPTOR  STUFF
 515  *
 516  ****************************************************************************************
 517  */
 518
 519 /* Define the struct that is initialized by the bootloader used by the
 520  * startup code.
 521  *
 522  * Copyright (c) 2004, 2005, 2006 Cavium Networks.
 523  *
 524  * The authors hereby grant permission to use, copy, modify, distribute,
 525  * and license this software and its documentation for any purpose, provided
 526  * that existing copyright notices are retained in all copies and that this
 527  * notice is included verbatim in any distributions. No written agreement,
 528  * license, or royalty fee is required for any of the authorized uses.
 529  * Modifications to this software may be copyrighted by their authors
 530  * and need not follow the licensing terms described here, provided that
 531  * the new terms are clearly indicated on the first page of each file where
 532  * they apply.
 533  */
 534
 535 #define OCTEON_CURRENT_DESC_VERSION     6
 536 #define OCTEON_ARGV_MAX_ARGS            (64)
 537 #define OCTOEN_SERIAL_LEN 20
 538
 539 typedef struct {
 540         /* Start of block referenced by assembly code - do not change! */
 541         uint32_t desc_version;
 542         uint32_t desc_size;
 543
 544         uint64_t stack_top;
 545         uint64_t heap_base;
 546         uint64_t heap_end;
 547         uint64_t entry_point;   /* Only used by bootloader */
 548         uint64_t desc_vaddr;
 549         /* End of This block referenced by assembly code - do not change! */
 550
 551         uint32_t exception_base_addr;
 552         uint32_t stack_size;
 553         uint32_t heap_size;
 554         uint32_t argc;  /* Argc count for application */
 555         uint32_t argv[OCTEON_ARGV_MAX_ARGS];
 556         uint32_t flags;
 557         uint32_t core_mask;
 558         uint32_t dram_size;  /**< DRAM size in megabyes */
 559         uint32_t phy_mem_desc_addr;  /**< physical address of free memory descriptor block*/
 560         uint32_t debugger_flags_base_addr;  /**< used to pass flags from app to debugger */
 561         uint32_t eclock_hz;  /**< CPU clock speed, in hz */
 562         uint32_t dclock_hz;  /**< DRAM clock speed, in hz */
 563         uint32_t spi_clock_hz;  /**< SPI4 clock in hz */
 564         uint16_t board_type;
 565         uint8_t board_rev_major;
 566         uint8_t board_rev_minor;
 567         uint16_t chip_type;
 568         uint8_t chip_rev_major;
 569         uint8_t chip_rev_minor;
 570         char board_serial_number[OCTOEN_SERIAL_LEN];
 571         uint8_t mac_addr_base[6];
 572         uint8_t mac_addr_count;
 573         uint64_t cvmx_desc_vaddr;
 574 } octeon_boot_descriptor_t;
 575
 576 static cvmx_bootinfo_t *
 577 octeon_process_app_desc_ver_6(octeon_boot_descriptor_t *app_desc_ptr)
 578 {
 579         cvmx_bootinfo_t *octeon_bootinfo;
 580
 581         /* XXX Why is 0x00000000ffffffffULL a bad value?  */
 582         if (app_desc_ptr->cvmx_desc_vaddr == 0 ||
 583             app_desc_ptr->cvmx_desc_vaddr == 0xfffffffful) {
 584                 cvmx_safe_printf("Bad octeon_bootinfo %#jx\n",
 585                     (uintmax_t)app_desc_ptr->cvmx_desc_vaddr);
 586                 return (NULL);
 587         }
 588
 589         octeon_bootinfo = cvmx_phys_to_ptr(app_desc_ptr->cvmx_desc_vaddr);
 590         if (octeon_bootinfo->major_version != 1) {
 591                 cvmx_safe_printf("Incompatible CVMX descriptor from bootloader: %d.%d %p\n",
 592                     (int) octeon_bootinfo->major_version,
 593                     (int) octeon_bootinfo->minor_version, octeon_bootinfo);
 594                 return (NULL);
 595         }
 596
 597         cvmx_sysinfo_minimal_initialize(octeon_bootinfo->phy_mem_desc_addr,
 598                                         octeon_bootinfo->board_type,
 599                                         octeon_bootinfo->board_rev_major,
 600                                         octeon_bootinfo->board_rev_minor,
 601                                         octeon_bootinfo->eclock_hz);
 602         memcpy(cvmx_sysinfo_get()->mac_addr_base,
 603                octeon_bootinfo->mac_addr_base, 6);
 604         cvmx_sysinfo_get()->mac_addr_count = octeon_bootinfo->mac_addr_count;
 605         cvmx_sysinfo_get()->compact_flash_common_base_addr =
 606                 octeon_bootinfo->compact_flash_common_base_addr;
 607         cvmx_sysinfo_get()->compact_flash_attribute_base_addr =
 608                 octeon_bootinfo->compact_flash_attribute_base_addr;
 609         cvmx_sysinfo_get()->core_mask = octeon_bootinfo->core_mask;
 610         cvmx_sysinfo_get()->led_display_base_addr =
 611                 octeon_bootinfo->led_display_base_addr;
 612         memcpy(cvmx_sysinfo_get()->board_serial_number,
 613                octeon_bootinfo->board_serial_number,
 614                sizeof cvmx_sysinfo_get()->board_serial_number);
 615         return (octeon_bootinfo);
 616 }
 617
 618 static void
 619 octeon_boot_params_init(register_t ptr)
 620 {
 621         octeon_boot_descriptor_t *app_desc_ptr;
 622         cvmx_bootinfo_t *octeon_bootinfo;
 623
 624         if (ptr == 0 || ptr >= MAX_APP_DESC_ADDR) {
 625                 cvmx_safe_printf("app descriptor passed at invalid address %#jx\n",
 626                     (uintmax_t)ptr);
 627                 platform_reset();
 628         }
 629
 630         app_desc_ptr = (octeon_boot_descriptor_t *)(intptr_t)ptr;
 631         if (app_desc_ptr->desc_version < 6) {
 632                 cvmx_safe_printf("Your boot code is too old to be supported.\n");
 633                 platform_reset();
 634         }
 635         octeon_bootinfo = octeon_process_app_desc_ver_6(app_desc_ptr);
 636         if (octeon_bootinfo == NULL) {
 637                 cvmx_safe_printf("Could not parse boot descriptor.\n");
 638                 platform_reset();
 639         }
 640
 641         if (cvmx_sysinfo_get()->led_display_base_addr != 0) {
 642                 /*
 643                  * Revision 1.x of the EBT3000 only supports 4 characters, but
 644                  * other devices support 8.
 645                  */
 646                 if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_EBT3000 &&
 647                     cvmx_sysinfo_get()->board_rev_major == 1)
 648                         ebt3000_str_write("FBSD");
 649                 else
 650                         ebt3000_str_write("FreeBSD!");
 651         }
 652
 653         if (cvmx_sysinfo_get()->phy_mem_desc_addr == (uint64_t)0) {
 654                 cvmx_safe_printf("Your boot loader did not supply a memory descriptor.\n");
 655                 platform_reset();
 656         }
 657         cvmx_bootmem_init(cvmx_sysinfo_get()->phy_mem_desc_addr);
 658
 659         octeon_feature_init();
 660
 661         __cvmx_helper_cfg_init();
 662 }
 663 /* impEND: This stuff should move back into the Cavium SDK */
 664
 665 static void
 666 boothowto_parse(const char *v)
 667 {
 668         if ((v == NULL) || (*v != '-'))
 669                 return;
 670
 671         while (*v != '\0') {
 672                 v++;
 673                 switch (*v) {
 674                 case 'a': boothowto |= RB_ASKNAME; break;
 675                 case 'C': boothowto |= RB_CDROM; break;
 676                 case 'd': boothowto |= RB_KDB; break;
 677                 case 'D': boothowto |= RB_MULTIPLE; break;
 678                 case 'm': boothowto |= RB_MUTE; break;
 679                 case 'g': boothowto |= RB_GDB; break;
 680                 case 'h': boothowto |= RB_SERIAL; break;
 681                 case 'p': boothowto |= RB_PAUSE; break;
 682                 case 'r': boothowto |= RB_DFLTROOT; break;
 683                 case 's': boothowto |= RB_SINGLE; break;
 684                 case 'v': boothowto |= RB_VERBOSE; break;
 685                 }
 686         }
 687 }
 688
 689 /*
 690  * The boot loader command line may specify kernel environment variables or
 691  * applicable boot flags of boot(8).
 692  */
 693 static void
 694 octeon_init_kenv(register_t ptr)
 695 {
 696         int i;
 697         char *n;
 698         char *v;
 699         octeon_boot_descriptor_t *app_desc_ptr;
 700
 701         app_desc_ptr = (octeon_boot_descriptor_t *)(intptr_t)ptr;
 702         memset(octeon_kenv, 0, sizeof(octeon_kenv));
 703         init_static_kenv(octeon_kenv, sizeof(octeon_kenv));
 704
 705         for (i = 0; i < app_desc_ptr->argc; i++) {
 706                 v = cvmx_phys_to_ptr(app_desc_ptr->argv[i]);
 707                 if (v == NULL)
 708                         continue;
 709                 if (*v == '-') {
 710                         boothowto_parse(v);
 711                         continue;
 712                 }
 713                 n = strsep(&v, "=");
 714                 if (v == NULL)
 715                         kern_setenv(n, "1");
 716                 else
 717                         kern_setenv(n, v);
 718         }
 719 }