blob: c3c1d2fdfa2d8ab9d4eacd4a8218f3455fe3a8fc [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Schwarz0a672d42012-03-15 04:01:45 +00002/* Copyright (C) 2011
3 * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
4 * - Added prep subcommand support
5 * - Reorganized source - modeled after powerpc version
6 *
wdenkc6097192002-11-03 00:24:07 +00007 * (C) Copyright 2002
8 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
9 * Marius Groeger <mgroeger@sysgo.de>
10 *
11 * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
wdenkc6097192002-11-03 00:24:07 +000012 */
13
14#include <common.h>
15#include <command.h>
Simon Glass9d922452017-05-17 17:18:03 -060016#include <dm.h>
Stefan Roese1b8220a2017-03-20 12:51:50 +010017#include <dm/root.h>
wdenkc6097192002-11-03 00:24:07 +000018#include <image.h>
Jean-Christophe PLAGNIOL-VILLARDa31e0912009-04-04 12:49:11 +020019#include <u-boot/zlib.h>
wdenkc6097192002-11-03 00:24:07 +000020#include <asm/byteorder.h>
Masahiro Yamadab08c8c42018-03-05 01:20:11 +090021#include <linux/libfdt.h>
Joe Hershberger0eb25b62015-03-22 17:08:59 -050022#include <mapmem.h>
John Rigby2d1916e2010-10-13 13:57:36 -060023#include <fdt_support.h>
Simon Schwarz0a672d42012-03-15 04:01:45 +000024#include <asm/bootm.h>
Marc Zyngierf510aea2014-07-12 14:24:03 +010025#include <asm/secure.h>
Pali Rohár89e6f132012-10-19 02:00:04 +000026#include <linux/compiler.h>
Eric Nelson8d196e52014-09-30 15:40:01 -070027#include <bootm.h>
28#include <vxworks.h>
wdenkc6097192002-11-03 00:24:07 +000029
Jan Kiszka104d6fb2015-04-21 07:18:24 +020030#ifdef CONFIG_ARMV7_NONSEC
Andre Przywarabb975452013-09-19 18:06:43 +020031#include <asm/armv7.h>
32#endif
Simon Glassc45300b2017-05-17 08:22:59 -060033#include <asm/setup.h>
Andre Przywarabb975452013-09-19 18:06:43 +020034
Wolfgang Denkd87080b2006-03-31 18:32:53 +020035DECLARE_GLOBAL_DATA_PTR;
36
wdenkc6097192002-11-03 00:24:07 +000037static struct tag *params;
John Rigby2d1916e2010-10-13 13:57:36 -060038
Simon Schwarz0a672d42012-03-15 04:01:45 +000039static ulong get_sp(void)
40{
41 ulong ret;
42
43 asm("mov %0, sp" : "=r"(ret) : );
44 return ret;
45}
46
John Rigby2d1916e2010-10-13 13:57:36 -060047void arch_lmb_reserve(struct lmb *lmb)
48{
Stephen Warren15751402018-01-05 13:04:54 -070049 ulong sp, bank_end;
50 int bank;
John Rigby2d1916e2010-10-13 13:57:36 -060051
52 /*
53 * Booting a (Linux) kernel image
54 *
55 * Allocate space for command line and board info - the
56 * address should be as high as possible within the reach of
57 * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused
58 * memory, which means far enough below the current stack
59 * pointer.
60 */
61 sp = get_sp();
62 debug("## Current stack ends at 0x%08lx ", sp);
63
Rob Herringfcfa6962012-06-28 03:54:11 +000064 /* adjust sp by 4K to be safe */
65 sp -= 4096;
Stephen Warren15751402018-01-05 13:04:54 -070066 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
67 if (sp < gd->bd->bi_dram[bank].start)
68 continue;
69 bank_end = gd->bd->bi_dram[bank].start +
70 gd->bd->bi_dram[bank].size;
71 if (sp >= bank_end)
72 continue;
73 lmb_reserve(lmb, sp, bank_end - sp);
74 break;
75 }
John Rigby2d1916e2010-10-13 13:57:36 -060076}
77
Alexander Grafb7b84102016-11-17 01:02:57 +010078__weak void board_quiesce_devices(void)
79{
80}
81
Simon Glassbce1b922013-06-19 21:15:10 -070082/**
83 * announce_and_cleanup() - Print message and prepare for kernel boot
84 *
85 * @fake: non-zero to do everything except actually boot
86 */
87static void announce_and_cleanup(int fake)
Simon Schwarz0a672d42012-03-15 04:01:45 +000088{
Simon Glassbce1b922013-06-19 21:15:10 -070089 printf("\nStarting kernel ...%s\n\n", fake ?
90 "(fake run for tracing)" : "");
Simon Schwarz0a672d42012-03-15 04:01:45 +000091 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel");
Simon Glass94fd1312012-09-28 08:56:37 +000092#ifdef CONFIG_BOOTSTAGE_FDT
Mela Custodio91290cf2014-02-20 00:16:56 +090093 bootstage_fdt_add_report();
Simon Glass94fd1312012-09-28 08:56:37 +000094#endif
Simon Schwarz0a672d42012-03-15 04:01:45 +000095#ifdef CONFIG_BOOTSTAGE_REPORT
96 bootstage_report();
97#endif
98
99#ifdef CONFIG_USB_DEVICE
100 udc_disconnect();
101#endif
Alexander Grafb7b84102016-11-17 01:02:57 +0100102
103 board_quiesce_devices();
104
Stefan Roese1b8220a2017-03-20 12:51:50 +0100105 /*
106 * Call remove function of all devices with a removal flag set.
107 * This may be useful for last-stage operations, like cancelling
108 * of DMA operation or releasing device internal buffers.
109 */
110 dm_remove_devices_flags(DM_REMOVE_ACTIVE_ALL);
111
Simon Schwarz0a672d42012-03-15 04:01:45 +0000112 cleanup_before_linux();
113}
114
wdenk5779d8d2003-12-06 23:55:10 +0000115static void setup_start_tag (bd_t *bd)
wdenkc6097192002-11-03 00:24:07 +0000116{
Simon Schwarz0a672d42012-03-15 04:01:45 +0000117 params = (struct tag *)bd->bi_boot_params;
wdenkc6097192002-11-03 00:24:07 +0000118
wdenk5779d8d2003-12-06 23:55:10 +0000119 params->hdr.tag = ATAG_CORE;
120 params->hdr.size = tag_size (tag_core);
wdenkc6097192002-11-03 00:24:07 +0000121
wdenk5779d8d2003-12-06 23:55:10 +0000122 params->u.core.flags = 0;
123 params->u.core.pagesize = 0;
124 params->u.core.rootdev = 0;
wdenkc6097192002-11-03 00:24:07 +0000125
wdenk5779d8d2003-12-06 23:55:10 +0000126 params = tag_next (params);
wdenkc6097192002-11-03 00:24:07 +0000127}
wdenkc6097192002-11-03 00:24:07 +0000128
Simon Schwarz0a672d42012-03-15 04:01:45 +0000129static void setup_memory_tags(bd_t *bd)
wdenkc6097192002-11-03 00:24:07 +0000130{
wdenk5779d8d2003-12-06 23:55:10 +0000131 int i;
wdenkc6097192002-11-03 00:24:07 +0000132
wdenk5779d8d2003-12-06 23:55:10 +0000133 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
134 params->hdr.tag = ATAG_MEM;
135 params->hdr.size = tag_size (tag_mem32);
wdenkc6097192002-11-03 00:24:07 +0000136
wdenk5779d8d2003-12-06 23:55:10 +0000137 params->u.mem.start = bd->bi_dram[i].start;
138 params->u.mem.size = bd->bi_dram[i].size;
wdenkc6097192002-11-03 00:24:07 +0000139
wdenk5779d8d2003-12-06 23:55:10 +0000140 params = tag_next (params);
141 }
wdenkc6097192002-11-03 00:24:07 +0000142}
143
Simon Schwarz0a672d42012-03-15 04:01:45 +0000144static void setup_commandline_tag(bd_t *bd, char *commandline)
wdenkc6097192002-11-03 00:24:07 +0000145{
wdenk5779d8d2003-12-06 23:55:10 +0000146 char *p;
wdenkc6097192002-11-03 00:24:07 +0000147
wdenk109c0e32004-03-23 21:43:07 +0000148 if (!commandline)
149 return;
150
wdenk5779d8d2003-12-06 23:55:10 +0000151 /* eat leading white space */
152 for (p = commandline; *p == ' '; p++);
wdenkc6097192002-11-03 00:24:07 +0000153
wdenk5779d8d2003-12-06 23:55:10 +0000154 /* skip non-existent command lines so the kernel will still
155 * use its default command line.
156 */
157 if (*p == '\0')
158 return;
wdenkc6097192002-11-03 00:24:07 +0000159
wdenk5779d8d2003-12-06 23:55:10 +0000160 params->hdr.tag = ATAG_CMDLINE;
161 params->hdr.size =
162 (sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2;
wdenkc6097192002-11-03 00:24:07 +0000163
wdenk5779d8d2003-12-06 23:55:10 +0000164 strcpy (params->u.cmdline.cmdline, p);
wdenkc6097192002-11-03 00:24:07 +0000165
wdenk5779d8d2003-12-06 23:55:10 +0000166 params = tag_next (params);
wdenkc6097192002-11-03 00:24:07 +0000167}
wdenkc6097192002-11-03 00:24:07 +0000168
Simon Schwarz0a672d42012-03-15 04:01:45 +0000169static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end)
wdenkc6097192002-11-03 00:24:07 +0000170{
wdenk5779d8d2003-12-06 23:55:10 +0000171 /* an ATAG_INITRD node tells the kernel where the compressed
172 * ramdisk can be found. ATAG_RDIMG is a better name, actually.
173 */
wdenk498b8db2004-04-18 22:26:17 +0000174 params->hdr.tag = ATAG_INITRD2;
wdenk5779d8d2003-12-06 23:55:10 +0000175 params->hdr.size = tag_size (tag_initrd);
wdenkc6097192002-11-03 00:24:07 +0000176
wdenk5779d8d2003-12-06 23:55:10 +0000177 params->u.initrd.start = initrd_start;
178 params->u.initrd.size = initrd_end - initrd_start;
wdenkc6097192002-11-03 00:24:07 +0000179
wdenk5779d8d2003-12-06 23:55:10 +0000180 params = tag_next (params);
wdenkc6097192002-11-03 00:24:07 +0000181}
wdenkc6097192002-11-03 00:24:07 +0000182
Simon Glassc19d13b2013-05-08 08:06:02 +0000183static void setup_serial_tag(struct tag **tmp)
wdenk3a574cb2005-05-19 22:39:42 +0000184{
185 struct tag *params = *tmp;
186 struct tag_serialnr serialnr;
wdenk3a574cb2005-05-19 22:39:42 +0000187
188 get_board_serial(&serialnr);
189 params->hdr.tag = ATAG_SERIAL;
190 params->hdr.size = tag_size (tag_serialnr);
191 params->u.serialnr.low = serialnr.low;
192 params->u.serialnr.high= serialnr.high;
193 params = tag_next (params);
194 *tmp = params;
195}
wdenk3a574cb2005-05-19 22:39:42 +0000196
Simon Glassc19d13b2013-05-08 08:06:02 +0000197static void setup_revision_tag(struct tag **in_params)
wdenk289f9322005-01-12 00:15:14 +0000198{
199 u32 rev = 0;
wdenk289f9322005-01-12 00:15:14 +0000200
201 rev = get_board_rev();
wdenk289f9322005-01-12 00:15:14 +0000202 params->hdr.tag = ATAG_REVISION;
203 params->hdr.size = tag_size (tag_revision);
204 params->u.revision.rev = rev;
205 params = tag_next (params);
206}
wdenk289f9322005-01-12 00:15:14 +0000207
Simon Schwarz0a672d42012-03-15 04:01:45 +0000208static void setup_end_tag(bd_t *bd)
wdenkc6097192002-11-03 00:24:07 +0000209{
wdenk5779d8d2003-12-06 23:55:10 +0000210 params->hdr.tag = ATAG_NONE;
211 params->hdr.size = 0;
wdenkc6097192002-11-03 00:24:07 +0000212}
213
Pali Rohár89e6f132012-10-19 02:00:04 +0000214__weak void setup_board_tags(struct tag **in_params) {}
215
Marc Zyngierf510aea2014-07-12 14:24:03 +0100216#ifdef CONFIG_ARM64
Andre Przywarabb975452013-09-19 18:06:43 +0200217static void do_nonsec_virt_switch(void)
218{
David Feng0ae76532013-12-14 11:47:35 +0800219 smp_kick_all_cpus();
York Sundcd468b2015-01-06 13:18:42 -0800220 dcache_disable(); /* flush cache before swtiching to EL2 */
Andre Przywarabb975452013-09-19 18:06:43 +0200221}
Marc Zyngierf510aea2014-07-12 14:24:03 +0100222#endif
Andre Przywarabb975452013-09-19 18:06:43 +0200223
Simon Schwarz0a672d42012-03-15 04:01:45 +0000224/* Subcommand: PREP */
225static void boot_prep_linux(bootm_headers_t *images)
226{
Simon Glass00caae62017-08-03 12:22:12 -0600227 char *commandline = env_get("bootargs");
Simon Schwarz0a672d42012-03-15 04:01:45 +0000228
Simon Glassc19d13b2013-05-08 08:06:02 +0000229 if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000230#ifdef CONFIG_OF_LIBFDT
Simon Schwarz0a672d42012-03-15 04:01:45 +0000231 debug("using: FDT\n");
Simon Glass6caa1952013-05-08 08:06:03 +0000232 if (image_setup_linux(images)) {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000233 printf("FDT creation failed! hanging...");
234 hang();
235 }
Simon Schwarz0a672d42012-03-15 04:01:45 +0000236#endif
Simon Glassc19d13b2013-05-08 08:06:02 +0000237 } else if (BOOTM_ENABLE_TAGS) {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000238 debug("using: ATAGS\n");
239 setup_start_tag(gd->bd);
Simon Glassc19d13b2013-05-08 08:06:02 +0000240 if (BOOTM_ENABLE_SERIAL_TAG)
241 setup_serial_tag(&params);
242 if (BOOTM_ENABLE_CMDLINE_TAG)
243 setup_commandline_tag(gd->bd, commandline);
244 if (BOOTM_ENABLE_REVISION_TAG)
245 setup_revision_tag(&params);
246 if (BOOTM_ENABLE_MEMORY_TAGS)
247 setup_memory_tags(gd->bd);
248 if (BOOTM_ENABLE_INITRD_TAG) {
Jeffy Chenf7ee0712016-01-14 10:19:36 +0800249 /*
250 * In boot_ramdisk_high(), it may relocate ramdisk to
251 * a specified location. And set images->initrd_start &
252 * images->initrd_end to relocated ramdisk's start/end
253 * addresses. So use them instead of images->rd_start &
254 * images->rd_end when possible.
255 */
256 if (images->initrd_start && images->initrd_end) {
257 setup_initrd_tag(gd->bd, images->initrd_start,
258 images->initrd_end);
259 } else if (images->rd_start && images->rd_end) {
Simon Glassc19d13b2013-05-08 08:06:02 +0000260 setup_initrd_tag(gd->bd, images->rd_start,
261 images->rd_end);
262 }
263 }
Pali Rohár89e6f132012-10-19 02:00:04 +0000264 setup_board_tags(&params);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000265 setup_end_tag(gd->bd);
Simon Glassc19d13b2013-05-08 08:06:02 +0000266 } else {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000267 printf("FDT and ATAGS support not compiled in - hanging\n");
268 hang();
Simon Schwarz0a672d42012-03-15 04:01:45 +0000269 }
270}
271
Jon Medhurst \(Tixy\)f225d392016-06-23 13:37:32 +0100272__weak bool armv7_boot_nonsec_default(void)
273{
274#ifdef CONFIG_ARMV7_BOOT_SEC_DEFAULT
275 return false;
276#else
277 return true;
278#endif
279}
280
Jan Kiszka104d6fb2015-04-21 07:18:24 +0200281#ifdef CONFIG_ARMV7_NONSEC
Ian Campbell97a81962014-12-21 09:45:11 +0000282bool armv7_boot_nonsec(void)
Hans de Goede8bc347e2014-11-14 09:34:31 +0100283{
Simon Glass00caae62017-08-03 12:22:12 -0600284 char *s = env_get("bootm_boot_mode");
Jon Medhurst \(Tixy\)f225d392016-06-23 13:37:32 +0100285 bool nonsec = armv7_boot_nonsec_default();
Hans de Goede8bc347e2014-11-14 09:34:31 +0100286
287 if (s && !strcmp(s, "sec"))
288 nonsec = false;
289
290 if (s && !strcmp(s, "nonsec"))
291 nonsec = true;
292
293 return nonsec;
294}
295#endif
296
Alison Wangec6617c2016-11-10 10:49:03 +0800297#ifdef CONFIG_ARM64
Alison Wange2c18e42016-11-10 10:49:04 +0800298__weak void update_os_arch_secondary_cores(uint8_t os_arch)
299{
300}
301
Alison Wangec6617c2016-11-10 10:49:03 +0800302#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
303static void switch_to_el1(void)
304{
305 if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
306 (images.os.arch == IH_ARCH_ARM))
307 armv8_switch_to_el1(0, (u64)gd->bd->bi_arch_number,
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800308 (u64)images.ft_addr, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800309 (u64)images.ep,
310 ES_TO_AARCH32);
311 else
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800312 armv8_switch_to_el1((u64)images.ft_addr, 0, 0, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800313 images.ep,
314 ES_TO_AARCH64);
315}
316#endif
317#endif
318
Simon Schwarz0a672d42012-03-15 04:01:45 +0000319/* Subcommand: GO */
Simon Glassbce1b922013-06-19 21:15:10 -0700320static void boot_jump_linux(bootm_headers_t *images, int flag)
Simon Schwarz0a672d42012-03-15 04:01:45 +0000321{
David Feng0ae76532013-12-14 11:47:35 +0800322#ifdef CONFIG_ARM64
Tom Rini3f1b6be2014-08-14 06:42:35 -0400323 void (*kernel_entry)(void *fdt_addr, void *res0, void *res1,
324 void *res2);
David Feng0ae76532013-12-14 11:47:35 +0800325 int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
326
Tom Rini3f1b6be2014-08-14 06:42:35 -0400327 kernel_entry = (void (*)(void *fdt_addr, void *res0, void *res1,
328 void *res2))images->ep;
David Feng0ae76532013-12-14 11:47:35 +0800329
330 debug("## Transferring control to Linux (at address %lx)...\n",
331 (ulong) kernel_entry);
332 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
333
334 announce_and_cleanup(fake);
335
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100336 if (!fake) {
macro.wave.z@gmail.com9a561752016-12-08 11:58:25 +0800337#ifdef CONFIG_ARMV8_PSCI
338 armv8_setup_psci();
339#endif
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100340 do_nonsec_virt_switch();
Alison Wangec6617c2016-11-10 10:49:03 +0800341
Alison Wange2c18e42016-11-10 10:49:04 +0800342 update_os_arch_secondary_cores(images->os.arch);
343
Alison Wangec6617c2016-11-10 10:49:03 +0800344#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800345 armv8_switch_to_el2((u64)images->ft_addr, 0, 0, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800346 (u64)switch_to_el1, ES_TO_AARCH64);
347#else
348 if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
349 (images->os.arch == IH_ARCH_ARM))
350 armv8_switch_to_el2(0, (u64)gd->bd->bi_arch_number,
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800351 (u64)images->ft_addr, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800352 (u64)images->ep,
353 ES_TO_AARCH32);
354 else
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800355 armv8_switch_to_el2((u64)images->ft_addr, 0, 0, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800356 images->ep,
357 ES_TO_AARCH64);
358#endif
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100359 }
David Feng0ae76532013-12-14 11:47:35 +0800360#else
Simon Schwarz0a672d42012-03-15 04:01:45 +0000361 unsigned long machid = gd->bd->bi_arch_number;
362 char *s;
363 void (*kernel_entry)(int zero, int arch, uint params);
Stephen Warren17239972012-04-19 11:34:00 +0000364 unsigned long r2;
Simon Glassbce1b922013-06-19 21:15:10 -0700365 int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000366
367 kernel_entry = (void (*)(int, int, uint))images->ep;
Patrice Chotarddc89c6f2017-04-25 11:07:46 +0200368#ifdef CONFIG_CPU_V7M
369 ulong addr = (ulong)kernel_entry | 1;
370 kernel_entry = (void *)addr;
371#endif
Simon Glass00caae62017-08-03 12:22:12 -0600372 s = env_get("machid");
Simon Schwarz0a672d42012-03-15 04:01:45 +0000373 if (s) {
Peng Fanbc3c89b2015-11-24 16:54:20 +0800374 if (strict_strtoul(s, 16, &machid) < 0) {
375 debug("strict_strtoul failed!\n");
376 return;
377 }
Simon Schwarz0a672d42012-03-15 04:01:45 +0000378 printf("Using machid 0x%lx from environment\n", machid);
379 }
380
381 debug("## Transferring control to Linux (at address %08lx)" \
382 "...\n", (ulong) kernel_entry);
383 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
Simon Glassbce1b922013-06-19 21:15:10 -0700384 announce_and_cleanup(fake);
Stephen Warren17239972012-04-19 11:34:00 +0000385
Simon Glassc19d13b2013-05-08 08:06:02 +0000386 if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
Stephen Warren17239972012-04-19 11:34:00 +0000387 r2 = (unsigned long)images->ft_addr;
388 else
Stephen Warren17239972012-04-19 11:34:00 +0000389 r2 = gd->bd->bi_boot_params;
390
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100391 if (!fake) {
Jan Kiszka104d6fb2015-04-21 07:18:24 +0200392#ifdef CONFIG_ARMV7_NONSEC
Ian Campbell97a81962014-12-21 09:45:11 +0000393 if (armv7_boot_nonsec()) {
Hans de Goede8bc347e2014-11-14 09:34:31 +0100394 armv7_init_nonsec();
395 secure_ram_addr(_do_nonsec_entry)(kernel_entry,
396 0, machid, r2);
397 } else
Marc Zyngierf510aea2014-07-12 14:24:03 +0100398#endif
Hans de Goede8bc347e2014-11-14 09:34:31 +0100399 kernel_entry(0, machid, r2);
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100400 }
David Feng0ae76532013-12-14 11:47:35 +0800401#endif
Simon Schwarz0a672d42012-03-15 04:01:45 +0000402}
403
404/* Main Entry point for arm bootm implementation
405 *
406 * Modeled after the powerpc implementation
407 * DIFFERENCE: Instead of calling prep and go at the end
408 * they are called if subcommand is equal 0.
409 */
Eric Nelson8d196e52014-09-30 15:40:01 -0700410int do_bootm_linux(int flag, int argc, char * const argv[],
411 bootm_headers_t *images)
Simon Schwarz0a672d42012-03-15 04:01:45 +0000412{
413 /* No need for those on ARM */
414 if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
415 return -1;
416
417 if (flag & BOOTM_STATE_OS_PREP) {
418 boot_prep_linux(images);
419 return 0;
420 }
421
Simon Glassbce1b922013-06-19 21:15:10 -0700422 if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
423 boot_jump_linux(images, flag);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000424 return 0;
425 }
426
427 boot_prep_linux(images);
Simon Glassbce1b922013-06-19 21:15:10 -0700428 boot_jump_linux(images, flag);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000429 return 0;
John Rigby2d1916e2010-10-13 13:57:36 -0600430}
Marek Vasut44f074c2012-03-14 21:52:45 +0000431
Miao Yan871a57b2013-11-28 17:51:38 +0800432#if defined(CONFIG_BOOTM_VXWORKS)
433void boot_prep_vxworks(bootm_headers_t *images)
434{
435#if defined(CONFIG_OF_LIBFDT)
436 int off;
437
438 if (images->ft_addr) {
439 off = fdt_path_offset(images->ft_addr, "/memory");
Hannes Schmelzer7f1cb1d2018-05-04 10:49:11 +0200440 if (off > 0) {
Ma Haijune29607e2014-07-12 14:24:06 +0100441 if (arch_fixup_fdt(images->ft_addr))
Miao Yan871a57b2013-11-28 17:51:38 +0800442 puts("## WARNING: fixup memory failed!\n");
443 }
444 }
445#endif
446 cleanup_before_linux();
447}
448void boot_jump_vxworks(bootm_headers_t *images)
449{
Vasyl Vavrychuk3194daa2018-04-10 12:36:36 +0300450#if defined(CONFIG_ARM64) && defined(CONFIG_ARMV8_PSCI)
451 armv8_setup_psci();
452 smp_kick_all_cpus();
453#endif
454
Miao Yan871a57b2013-11-28 17:51:38 +0800455 /* ARM VxWorks requires device tree physical address to be passed */
456 ((void (*)(void *))images->ep)(images->ft_addr);
457}
458#endif