octeon_machdep.c revision 243470
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: head/sys/mips/cavium/octeon_machdep.c 243470 2012-11-24 02:12:24Z jmallett $
27 */
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: head/sys/mips/cavium/octeon_machdep.c 243470 2012-11-24 02:12:24Z jmallett $");
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#include <vm/vm_pager.h>
59
60#include <machine/atomic.h>
61#include <machine/cache.h>
62#include <machine/clock.h>
63#include <machine/cpu.h>
64#include <machine/cpuregs.h>
65#include <machine/cpufunc.h>
66#include <mips/cavium/octeon_pcmap_regs.h>
67#include <machine/hwfunc.h>
68#include <machine/intr_machdep.h>
69#include <machine/locore.h>
70#include <machine/md_var.h>
71#include <machine/pcpu.h>
72#include <machine/pte.h>
73#include <machine/trap.h>
74#include <machine/vmparam.h>
75
76#include <contrib/octeon-sdk/cvmx.h>
77#include <contrib/octeon-sdk/cvmx-bootmem.h>
78#include <contrib/octeon-sdk/cvmx-ebt3000.h>
79#include <contrib/octeon-sdk/cvmx-helper-cfg.h>
80#include <contrib/octeon-sdk/cvmx-interrupt.h>
81#include <contrib/octeon-sdk/cvmx-version.h>
82
83#include <mips/cavium/octeon_irq.h>
84
85#if defined(__mips_n64)
86#define MAX_APP_DESC_ADDR     0xffffffffafffffff
87#else
88#define MAX_APP_DESC_ADDR     0xafffffff
89#endif
90
91struct octeon_feature_description {
92	octeon_feature_t ofd_feature;
93	const char *ofd_string;
94};
95
96extern int	*end;
97extern char cpu_model[];
98extern char cpu_board[];
99
100static 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
130static uint64_t octeon_get_ticks(void);
131static unsigned octeon_get_timecount(struct timecounter *tc);
132
133static void octeon_boot_params_init(register_t ptr);
134
135static struct timecounter octeon_timecounter = {
136	octeon_get_timecount,	/* get_timecount */
137	0,			/* no poll_pps */
138	0xffffffffu,		/* octeon_mask */
139	0,			/* frequency */
140	"Octeon",		/* name */
141	900,			/* quality (adjusted in code) */
142};
143
144void
145platform_cpu_init()
146{
147	/* Nothing special yet */
148}
149
150/*
151 * Perform a board-level soft-reset.
152 */
153void
154platform_reset(void)
155{
156	cvmx_write_csr(CVMX_CIU_SOFT_RST, 1);
157}
158
159/*
160 * octeon_debug_symbol
161 *
162 * Does nothing.
163 * Used to mark the point for simulator to begin tracing
164 */
165void
166octeon_debug_symbol(void)
167{
168}
169
170/*
171 * octeon_ciu_reset
172 *
173 * Shutdown all CIU to IP2, IP3 mappings
174 */
175void
176octeon_ciu_reset(void)
177{
178	uint64_t cvmctl;
179
180	/* Disable all CIU interrupts by default */
181	cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num()*2), 0);
182	cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num()*2+1), 0);
183	cvmx_write_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num()*2), 0);
184	cvmx_write_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num()*2+1), 0);
185
186#ifdef SMP
187	/* Enable the MBOX interrupts.  */
188	cvmx_write_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num()*2+1),
189		       (1ull << (OCTEON_IRQ_MBOX0 - 8)) |
190		       (1ull << (OCTEON_IRQ_MBOX1 - 8)));
191#endif
192
193	/*
194	 * Move the Performance Counter interrupt to OCTEON_PMC_IRQ
195	 */
196	cvmctl = mips_rd_cvmctl();
197	cvmctl &= ~(7 << 7);
198	cvmctl |= (OCTEON_PMC_IRQ + 2) << 7;
199	mips_wr_cvmctl(cvmctl);
200}
201
202static void
203octeon_memory_init(void)
204{
205	vm_paddr_t phys_end;
206	int64_t addr;
207	unsigned i, j;
208
209	phys_end = round_page(MIPS_KSEG0_TO_PHYS((vm_offset_t)&end));
210
211	if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM) {
212		/* Simulator we limit to 96 meg */
213		phys_avail[0] = phys_end;
214		phys_avail[1] = 96 << 20;
215
216		dump_avail[0] = phys_avail[0];
217		dump_avail[1] = phys_avail[1];
218
219		realmem = physmem = btoc(phys_avail[1] - phys_avail[0]);
220		return;
221	}
222
223	/*
224	 * Allocate memory from bootmem 1MB at a time and merge
225	 * adjacent entries.
226	 */
227	i = 0;
228	while (i < PHYS_AVAIL_ENTRIES) {
229		/*
230		 * If there is less than 2MB of memory available in 128-byte
231		 * blocks, do not steal any more memory.  We need to leave some
232		 * memory for the command queues to be allocated out of.
233		 */
234		if (cvmx_bootmem_available_mem(128) < 2 << 20)
235			break;
236
237		addr = cvmx_bootmem_phy_alloc(1 << 20, phys_end,
238					      ~(vm_paddr_t)0, PAGE_SIZE, 0);
239		if (addr == -1)
240			break;
241
242		/*
243		 * The SDK needs to be able to easily map any memory that might
244		 * come to it e.g. in the form of an mbuf.  Because on !n64 we
245		 * can't direct-map some addresses and we don't want to manage
246		 * temporary mappings within the SDK, don't feed memory that
247		 * can't be direct-mapped to the kernel.
248		 */
249#if !defined(__mips_n64)
250		if (!MIPS_DIRECT_MAPPABLE(addr + (1 << 20) - 1))
251			continue;
252#endif
253
254		physmem += btoc(1 << 20);
255
256		if (i > 0 && phys_avail[i - 1] == addr) {
257			phys_avail[i - 1] += 1 << 20;
258			continue;
259		}
260
261		phys_avail[i + 0] = addr;
262		phys_avail[i + 1] = addr + (1 << 20);
263
264		i += 2;
265	}
266
267	for (j = 0; j < i; j++)
268		dump_avail[j] = phys_avail[j];
269
270	realmem = physmem;
271}
272
273void
274platform_start(__register_t a0, __register_t a1, __register_t a2 __unused,
275    __register_t a3)
276{
277	const struct octeon_feature_description *ofd;
278	uint64_t platform_counter_freq;
279	int rv;
280
281	mips_postboot_fixup();
282
283	/*
284	 * Initialize boot parameters so that we can determine things like
285	 * which console we shoud use, etc.
286	 */
287	octeon_boot_params_init(a3);
288
289	/* Initialize pcpu stuff */
290	mips_pcpu0_init();
291	mips_timer_early_init(cvmx_sysinfo_get()->cpu_clock_hz);
292
293	/* Initialize console.  */
294	cninit();
295
296	/*
297	 * Display information about the CPU.
298	 */
299#if !defined(OCTEON_MODEL)
300	printf("Using runtime CPU model checks.\n");
301#else
302	printf("Compiled for CPU model: " __XSTRING(OCTEON_MODEL) "\n");
303#endif
304	strcpy(cpu_model, octeon_model_get_string(cvmx_get_proc_id()));
305	printf("CPU Model: %s\n", cpu_model);
306	printf("CPU clock: %uMHz  Core Mask: %#x\n",
307	       cvmx_sysinfo_get()->cpu_clock_hz / 1000000,
308	       cvmx_sysinfo_get()->core_mask);
309	rv = octeon_model_version_check(cvmx_get_proc_id());
310	if (rv == -1)
311		panic("%s: kernel not compatible with this processor.", __func__);
312
313	/*
314	 * Display information about the board.
315	 */
316#if defined(OCTEON_BOARD_CAPK_0100ND)
317	strcpy(cpu_board, "CAPK-0100ND");
318	if (cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_CN3010_EVB_HS5) {
319		panic("Compiled for %s, but board type is %s.", cpu_board,
320		       cvmx_board_type_to_string(cvmx_sysinfo_get()->board_type));
321	}
322#else
323	strcpy(cpu_board,
324	       cvmx_board_type_to_string(cvmx_sysinfo_get()->board_type));
325#endif
326	printf("Board: %s\n", cpu_board);
327	printf("Board Type: %u  Revision: %u/%u\n",
328	       cvmx_sysinfo_get()->board_type,
329	       cvmx_sysinfo_get()->board_rev_major,
330	       cvmx_sysinfo_get()->board_rev_minor);
331	printf("Serial number: %s\n", cvmx_sysinfo_get()->board_serial_number);
332
333	/*
334	 * Additional on-chip hardware/settings.
335	 *
336	 * XXX Display PCI host/target?  What else?
337	 */
338	printf("MAC address base: %6D (%u configured)\n",
339	       cvmx_sysinfo_get()->mac_addr_base, ":",
340	       cvmx_sysinfo_get()->mac_addr_count);
341
342
343	octeon_ciu_reset();
344	/*
345	 * XXX
346	 * We can certainly parse command line arguments or U-Boot environment
347	 * to determine whether to bootverbose / single user / ...  I think
348	 * stass has patches to add support for loader things to U-Boot even.
349	 */
350	bootverbose = 1;
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
394static uint64_t
395octeon_get_ticks(void)
396{
397	uint64_t cvmcount;
398
399	CVMX_MF_CYCLE(cvmcount);
400	return (cvmcount);
401}
402
403static unsigned
404octeon_get_timecount(struct timecounter *tc)
405{
406	return ((unsigned)octeon_get_ticks());
407}
408
409static int
410sysctl_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
445SYSCTL_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
449void
450cvmx_dvprintf(const char *fmt, va_list ap)
451{
452	if (!bootverbose)
453		return;
454	vprintf(fmt, ap);
455}
456
457void
458cvmx_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 */
474void 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
539typedef 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
576static cvmx_bootinfo_t *
577octeon_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
618static void
619octeon_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