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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++) {
Simon Goldschmidtf8878da2019-01-14 22:38:23 +010067 if (!gd->bd->bi_dram[bank].size ||
68 sp < gd->bd->bi_dram[bank].start)
Stephen Warren15751402018-01-05 13:04:54 -070069 continue;
Simon Goldschmidtf8878da2019-01-14 22:38:23 +010070 /* Watch out for RAM at end of address space! */
Stephen Warren15751402018-01-05 13:04:54 -070071 bank_end = gd->bd->bi_dram[bank].start +
Simon Goldschmidtf8878da2019-01-14 22:38:23 +010072 gd->bd->bi_dram[bank].size - 1;
73 if (sp > bank_end)
Stephen Warren15751402018-01-05 13:04:54 -070074 continue;
Simon Goldschmidtf8878da2019-01-14 22:38:23 +010075 lmb_reserve(lmb, sp, bank_end - sp + 1);
Stephen Warren15751402018-01-05 13:04:54 -070076 break;
77 }
John Rigby2d1916e2010-10-13 13:57:36 -060078}
79
Alexander Grafb7b84102016-11-17 01:02:57 +010080__weak void board_quiesce_devices(void)
81{
82}
83
Simon Glassbce1b922013-06-19 21:15:10 -070084/**
85 * announce_and_cleanup() - Print message and prepare for kernel boot
86 *
87 * @fake: non-zero to do everything except actually boot
88 */
89static void announce_and_cleanup(int fake)
Simon Schwarz0a672d42012-03-15 04:01:45 +000090{
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
Keerthy6dad56d2019-02-20 18:17:22 +0530105 printf("\nStarting kernel ...%s\n\n", fake ?
106 "(fake run for tracing)" : "");
Stefan Roese1b8220a2017-03-20 12:51:50 +0100107 /*
108 * Call remove function of all devices with a removal flag set.
109 * This may be useful for last-stage operations, like cancelling
110 * of DMA operation or releasing device internal buffers.
111 */
112 dm_remove_devices_flags(DM_REMOVE_ACTIVE_ALL);
113
Simon Schwarz0a672d42012-03-15 04:01:45 +0000114 cleanup_before_linux();
115}
116
wdenk5779d8d2003-12-06 23:55:10 +0000117static void setup_start_tag (bd_t *bd)
wdenkc6097192002-11-03 00:24:07 +0000118{
Simon Schwarz0a672d42012-03-15 04:01:45 +0000119 params = (struct tag *)bd->bi_boot_params;
wdenkc6097192002-11-03 00:24:07 +0000120
wdenk5779d8d2003-12-06 23:55:10 +0000121 params->hdr.tag = ATAG_CORE;
122 params->hdr.size = tag_size (tag_core);
wdenkc6097192002-11-03 00:24:07 +0000123
wdenk5779d8d2003-12-06 23:55:10 +0000124 params->u.core.flags = 0;
125 params->u.core.pagesize = 0;
126 params->u.core.rootdev = 0;
wdenkc6097192002-11-03 00:24:07 +0000127
wdenk5779d8d2003-12-06 23:55:10 +0000128 params = tag_next (params);
wdenkc6097192002-11-03 00:24:07 +0000129}
wdenkc6097192002-11-03 00:24:07 +0000130
Simon Schwarz0a672d42012-03-15 04:01:45 +0000131static void setup_memory_tags(bd_t *bd)
wdenkc6097192002-11-03 00:24:07 +0000132{
wdenk5779d8d2003-12-06 23:55:10 +0000133 int i;
wdenkc6097192002-11-03 00:24:07 +0000134
wdenk5779d8d2003-12-06 23:55:10 +0000135 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
136 params->hdr.tag = ATAG_MEM;
137 params->hdr.size = tag_size (tag_mem32);
wdenkc6097192002-11-03 00:24:07 +0000138
wdenk5779d8d2003-12-06 23:55:10 +0000139 params->u.mem.start = bd->bi_dram[i].start;
140 params->u.mem.size = bd->bi_dram[i].size;
wdenkc6097192002-11-03 00:24:07 +0000141
wdenk5779d8d2003-12-06 23:55:10 +0000142 params = tag_next (params);
143 }
wdenkc6097192002-11-03 00:24:07 +0000144}
145
Simon Schwarz0a672d42012-03-15 04:01:45 +0000146static void setup_commandline_tag(bd_t *bd, char *commandline)
wdenkc6097192002-11-03 00:24:07 +0000147{
wdenk5779d8d2003-12-06 23:55:10 +0000148 char *p;
wdenkc6097192002-11-03 00:24:07 +0000149
wdenk109c0e32004-03-23 21:43:07 +0000150 if (!commandline)
151 return;
152
wdenk5779d8d2003-12-06 23:55:10 +0000153 /* eat leading white space */
154 for (p = commandline; *p == ' '; p++);
wdenkc6097192002-11-03 00:24:07 +0000155
wdenk5779d8d2003-12-06 23:55:10 +0000156 /* skip non-existent command lines so the kernel will still
157 * use its default command line.
158 */
159 if (*p == '\0')
160 return;
wdenkc6097192002-11-03 00:24:07 +0000161
wdenk5779d8d2003-12-06 23:55:10 +0000162 params->hdr.tag = ATAG_CMDLINE;
163 params->hdr.size =
164 (sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2;
wdenkc6097192002-11-03 00:24:07 +0000165
wdenk5779d8d2003-12-06 23:55:10 +0000166 strcpy (params->u.cmdline.cmdline, p);
wdenkc6097192002-11-03 00:24:07 +0000167
wdenk5779d8d2003-12-06 23:55:10 +0000168 params = tag_next (params);
wdenkc6097192002-11-03 00:24:07 +0000169}
wdenkc6097192002-11-03 00:24:07 +0000170
Simon Schwarz0a672d42012-03-15 04:01:45 +0000171static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end)
wdenkc6097192002-11-03 00:24:07 +0000172{
wdenk5779d8d2003-12-06 23:55:10 +0000173 /* an ATAG_INITRD node tells the kernel where the compressed
174 * ramdisk can be found. ATAG_RDIMG is a better name, actually.
175 */
wdenk498b8db2004-04-18 22:26:17 +0000176 params->hdr.tag = ATAG_INITRD2;
wdenk5779d8d2003-12-06 23:55:10 +0000177 params->hdr.size = tag_size (tag_initrd);
wdenkc6097192002-11-03 00:24:07 +0000178
wdenk5779d8d2003-12-06 23:55:10 +0000179 params->u.initrd.start = initrd_start;
180 params->u.initrd.size = initrd_end - initrd_start;
wdenkc6097192002-11-03 00:24:07 +0000181
wdenk5779d8d2003-12-06 23:55:10 +0000182 params = tag_next (params);
wdenkc6097192002-11-03 00:24:07 +0000183}
wdenkc6097192002-11-03 00:24:07 +0000184
Simon Glassc19d13b2013-05-08 08:06:02 +0000185static void setup_serial_tag(struct tag **tmp)
wdenk3a574cb2005-05-19 22:39:42 +0000186{
187 struct tag *params = *tmp;
188 struct tag_serialnr serialnr;
wdenk3a574cb2005-05-19 22:39:42 +0000189
190 get_board_serial(&serialnr);
191 params->hdr.tag = ATAG_SERIAL;
192 params->hdr.size = tag_size (tag_serialnr);
193 params->u.serialnr.low = serialnr.low;
194 params->u.serialnr.high= serialnr.high;
195 params = tag_next (params);
196 *tmp = params;
197}
wdenk3a574cb2005-05-19 22:39:42 +0000198
Simon Glassc19d13b2013-05-08 08:06:02 +0000199static void setup_revision_tag(struct tag **in_params)
wdenk289f9322005-01-12 00:15:14 +0000200{
201 u32 rev = 0;
wdenk289f9322005-01-12 00:15:14 +0000202
203 rev = get_board_rev();
wdenk289f9322005-01-12 00:15:14 +0000204 params->hdr.tag = ATAG_REVISION;
205 params->hdr.size = tag_size (tag_revision);
206 params->u.revision.rev = rev;
207 params = tag_next (params);
208}
wdenk289f9322005-01-12 00:15:14 +0000209
Simon Schwarz0a672d42012-03-15 04:01:45 +0000210static void setup_end_tag(bd_t *bd)
wdenkc6097192002-11-03 00:24:07 +0000211{
wdenk5779d8d2003-12-06 23:55:10 +0000212 params->hdr.tag = ATAG_NONE;
213 params->hdr.size = 0;
wdenkc6097192002-11-03 00:24:07 +0000214}
215
Pali Rohár89e6f132012-10-19 02:00:04 +0000216__weak void setup_board_tags(struct tag **in_params) {}
217
Marc Zyngierf510aea2014-07-12 14:24:03 +0100218#ifdef CONFIG_ARM64
Andre Przywarabb975452013-09-19 18:06:43 +0200219static void do_nonsec_virt_switch(void)
220{
David Feng0ae76532013-12-14 11:47:35 +0800221 smp_kick_all_cpus();
York Sundcd468b2015-01-06 13:18:42 -0800222 dcache_disable(); /* flush cache before swtiching to EL2 */
Andre Przywarabb975452013-09-19 18:06:43 +0200223}
Marc Zyngierf510aea2014-07-12 14:24:03 +0100224#endif
Andre Przywarabb975452013-09-19 18:06:43 +0200225
Simon Schwarz0a672d42012-03-15 04:01:45 +0000226/* Subcommand: PREP */
227static void boot_prep_linux(bootm_headers_t *images)
228{
Simon Glass00caae62017-08-03 12:22:12 -0600229 char *commandline = env_get("bootargs");
Simon Schwarz0a672d42012-03-15 04:01:45 +0000230
Simon Glassc19d13b2013-05-08 08:06:02 +0000231 if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000232#ifdef CONFIG_OF_LIBFDT
Simon Schwarz0a672d42012-03-15 04:01:45 +0000233 debug("using: FDT\n");
Simon Glass6caa1952013-05-08 08:06:03 +0000234 if (image_setup_linux(images)) {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000235 printf("FDT creation failed! hanging...");
236 hang();
237 }
Simon Schwarz0a672d42012-03-15 04:01:45 +0000238#endif
Simon Glassc19d13b2013-05-08 08:06:02 +0000239 } else if (BOOTM_ENABLE_TAGS) {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000240 debug("using: ATAGS\n");
241 setup_start_tag(gd->bd);
Simon Glassc19d13b2013-05-08 08:06:02 +0000242 if (BOOTM_ENABLE_SERIAL_TAG)
243 setup_serial_tag(&params);
244 if (BOOTM_ENABLE_CMDLINE_TAG)
245 setup_commandline_tag(gd->bd, commandline);
246 if (BOOTM_ENABLE_REVISION_TAG)
247 setup_revision_tag(&params);
248 if (BOOTM_ENABLE_MEMORY_TAGS)
249 setup_memory_tags(gd->bd);
250 if (BOOTM_ENABLE_INITRD_TAG) {
Jeffy Chenf7ee0712016-01-14 10:19:36 +0800251 /*
252 * In boot_ramdisk_high(), it may relocate ramdisk to
253 * a specified location. And set images->initrd_start &
254 * images->initrd_end to relocated ramdisk's start/end
255 * addresses. So use them instead of images->rd_start &
256 * images->rd_end when possible.
257 */
258 if (images->initrd_start && images->initrd_end) {
259 setup_initrd_tag(gd->bd, images->initrd_start,
260 images->initrd_end);
261 } else if (images->rd_start && images->rd_end) {
Simon Glassc19d13b2013-05-08 08:06:02 +0000262 setup_initrd_tag(gd->bd, images->rd_start,
263 images->rd_end);
264 }
265 }
Pali Rohár89e6f132012-10-19 02:00:04 +0000266 setup_board_tags(&params);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000267 setup_end_tag(gd->bd);
Simon Glassc19d13b2013-05-08 08:06:02 +0000268 } else {
Simon Schwarz0a672d42012-03-15 04:01:45 +0000269 printf("FDT and ATAGS support not compiled in - hanging\n");
270 hang();
Simon Schwarz0a672d42012-03-15 04:01:45 +0000271 }
272}
273
Jon Medhurst \(Tixy\)f225d392016-06-23 13:37:32 +0100274__weak bool armv7_boot_nonsec_default(void)
275{
276#ifdef CONFIG_ARMV7_BOOT_SEC_DEFAULT
277 return false;
278#else
279 return true;
280#endif
281}
282
Jan Kiszka104d6fb2015-04-21 07:18:24 +0200283#ifdef CONFIG_ARMV7_NONSEC
Ian Campbell97a81962014-12-21 09:45:11 +0000284bool armv7_boot_nonsec(void)
Hans de Goede8bc347e2014-11-14 09:34:31 +0100285{
Simon Glass00caae62017-08-03 12:22:12 -0600286 char *s = env_get("bootm_boot_mode");
Jon Medhurst \(Tixy\)f225d392016-06-23 13:37:32 +0100287 bool nonsec = armv7_boot_nonsec_default();
Hans de Goede8bc347e2014-11-14 09:34:31 +0100288
289 if (s && !strcmp(s, "sec"))
290 nonsec = false;
291
292 if (s && !strcmp(s, "nonsec"))
293 nonsec = true;
294
295 return nonsec;
296}
297#endif
298
Alison Wangec6617c2016-11-10 10:49:03 +0800299#ifdef CONFIG_ARM64
Alison Wange2c18e42016-11-10 10:49:04 +0800300__weak void update_os_arch_secondary_cores(uint8_t os_arch)
301{
302}
303
Alison Wangec6617c2016-11-10 10:49:03 +0800304#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
305static void switch_to_el1(void)
306{
307 if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
308 (images.os.arch == IH_ARCH_ARM))
309 armv8_switch_to_el1(0, (u64)gd->bd->bi_arch_number,
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800310 (u64)images.ft_addr, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800311 (u64)images.ep,
312 ES_TO_AARCH32);
313 else
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800314 armv8_switch_to_el1((u64)images.ft_addr, 0, 0, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800315 images.ep,
316 ES_TO_AARCH64);
317}
318#endif
319#endif
320
Simon Schwarz0a672d42012-03-15 04:01:45 +0000321/* Subcommand: GO */
Simon Glassbce1b922013-06-19 21:15:10 -0700322static void boot_jump_linux(bootm_headers_t *images, int flag)
Simon Schwarz0a672d42012-03-15 04:01:45 +0000323{
David Feng0ae76532013-12-14 11:47:35 +0800324#ifdef CONFIG_ARM64
Tom Rini3f1b6be2014-08-14 06:42:35 -0400325 void (*kernel_entry)(void *fdt_addr, void *res0, void *res1,
326 void *res2);
David Feng0ae76532013-12-14 11:47:35 +0800327 int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
328
Tom Rini3f1b6be2014-08-14 06:42:35 -0400329 kernel_entry = (void (*)(void *fdt_addr, void *res0, void *res1,
330 void *res2))images->ep;
David Feng0ae76532013-12-14 11:47:35 +0800331
332 debug("## Transferring control to Linux (at address %lx)...\n",
333 (ulong) kernel_entry);
334 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
335
336 announce_and_cleanup(fake);
337
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100338 if (!fake) {
macro.wave.z@gmail.com9a561752016-12-08 11:58:25 +0800339#ifdef CONFIG_ARMV8_PSCI
340 armv8_setup_psci();
341#endif
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100342 do_nonsec_virt_switch();
Alison Wangec6617c2016-11-10 10:49:03 +0800343
Alison Wange2c18e42016-11-10 10:49:04 +0800344 update_os_arch_secondary_cores(images->os.arch);
345
Alison Wangec6617c2016-11-10 10:49:03 +0800346#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800347 armv8_switch_to_el2((u64)images->ft_addr, 0, 0, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800348 (u64)switch_to_el1, ES_TO_AARCH64);
349#else
350 if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
351 (images->os.arch == IH_ARCH_ARM))
352 armv8_switch_to_el2(0, (u64)gd->bd->bi_arch_number,
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800353 (u64)images->ft_addr, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800354 (u64)images->ep,
355 ES_TO_AARCH32);
356 else
Alison Wang7c5e1fe2017-01-17 09:39:17 +0800357 armv8_switch_to_el2((u64)images->ft_addr, 0, 0, 0,
Alison Wangec6617c2016-11-10 10:49:03 +0800358 images->ep,
359 ES_TO_AARCH64);
360#endif
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100361 }
David Feng0ae76532013-12-14 11:47:35 +0800362#else
Simon Schwarz0a672d42012-03-15 04:01:45 +0000363 unsigned long machid = gd->bd->bi_arch_number;
364 char *s;
365 void (*kernel_entry)(int zero, int arch, uint params);
Stephen Warren17239972012-04-19 11:34:00 +0000366 unsigned long r2;
Simon Glassbce1b922013-06-19 21:15:10 -0700367 int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000368
369 kernel_entry = (void (*)(int, int, uint))images->ep;
Patrice Chotarddc89c6f2017-04-25 11:07:46 +0200370#ifdef CONFIG_CPU_V7M
371 ulong addr = (ulong)kernel_entry | 1;
372 kernel_entry = (void *)addr;
373#endif
Simon Glass00caae62017-08-03 12:22:12 -0600374 s = env_get("machid");
Simon Schwarz0a672d42012-03-15 04:01:45 +0000375 if (s) {
Peng Fanbc3c89b2015-11-24 16:54:20 +0800376 if (strict_strtoul(s, 16, &machid) < 0) {
377 debug("strict_strtoul failed!\n");
378 return;
379 }
Simon Schwarz0a672d42012-03-15 04:01:45 +0000380 printf("Using machid 0x%lx from environment\n", machid);
381 }
382
383 debug("## Transferring control to Linux (at address %08lx)" \
384 "...\n", (ulong) kernel_entry);
385 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
Simon Glassbce1b922013-06-19 21:15:10 -0700386 announce_and_cleanup(fake);
Stephen Warren17239972012-04-19 11:34:00 +0000387
Simon Glassc19d13b2013-05-08 08:06:02 +0000388 if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
Stephen Warren17239972012-04-19 11:34:00 +0000389 r2 = (unsigned long)images->ft_addr;
390 else
Stephen Warren17239972012-04-19 11:34:00 +0000391 r2 = gd->bd->bi_boot_params;
392
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100393 if (!fake) {
Jan Kiszka104d6fb2015-04-21 07:18:24 +0200394#ifdef CONFIG_ARMV7_NONSEC
Ian Campbell97a81962014-12-21 09:45:11 +0000395 if (armv7_boot_nonsec()) {
Hans de Goede8bc347e2014-11-14 09:34:31 +0100396 armv7_init_nonsec();
397 secure_ram_addr(_do_nonsec_entry)(kernel_entry,
398 0, machid, r2);
399 } else
Marc Zyngierf510aea2014-07-12 14:24:03 +0100400#endif
Hans de Goede8bc347e2014-11-14 09:34:31 +0100401 kernel_entry(0, machid, r2);
Marc Zyngierc19e0dd2014-07-12 14:23:58 +0100402 }
David Feng0ae76532013-12-14 11:47:35 +0800403#endif
Simon Schwarz0a672d42012-03-15 04:01:45 +0000404}
405
406/* Main Entry point for arm bootm implementation
407 *
408 * Modeled after the powerpc implementation
409 * DIFFERENCE: Instead of calling prep and go at the end
410 * they are called if subcommand is equal 0.
411 */
Eric Nelson8d196e52014-09-30 15:40:01 -0700412int do_bootm_linux(int flag, int argc, char * const argv[],
413 bootm_headers_t *images)
Simon Schwarz0a672d42012-03-15 04:01:45 +0000414{
415 /* No need for those on ARM */
416 if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
417 return -1;
418
419 if (flag & BOOTM_STATE_OS_PREP) {
420 boot_prep_linux(images);
421 return 0;
422 }
423
Simon Glassbce1b922013-06-19 21:15:10 -0700424 if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
425 boot_jump_linux(images, flag);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000426 return 0;
427 }
428
429 boot_prep_linux(images);
Simon Glassbce1b922013-06-19 21:15:10 -0700430 boot_jump_linux(images, flag);
Simon Schwarz0a672d42012-03-15 04:01:45 +0000431 return 0;
John Rigby2d1916e2010-10-13 13:57:36 -0600432}
Marek Vasut44f074c2012-03-14 21:52:45 +0000433
Miao Yan871a57b2013-11-28 17:51:38 +0800434#if defined(CONFIG_BOOTM_VXWORKS)
435void boot_prep_vxworks(bootm_headers_t *images)
436{
437#if defined(CONFIG_OF_LIBFDT)
438 int off;
439
440 if (images->ft_addr) {
441 off = fdt_path_offset(images->ft_addr, "/memory");
Hannes Schmelzer7f1cb1d2018-05-04 10:49:11 +0200442 if (off > 0) {
Ma Haijune29607e2014-07-12 14:24:06 +0100443 if (arch_fixup_fdt(images->ft_addr))
Miao Yan871a57b2013-11-28 17:51:38 +0800444 puts("## WARNING: fixup memory failed!\n");
445 }
446 }
447#endif
448 cleanup_before_linux();
449}
450void boot_jump_vxworks(bootm_headers_t *images)
451{
Vasyl Vavrychuk3194daa2018-04-10 12:36:36 +0300452#if defined(CONFIG_ARM64) && defined(CONFIG_ARMV8_PSCI)
453 armv8_setup_psci();
454 smp_kick_all_cpus();
455#endif
456
Miao Yan871a57b2013-11-28 17:51:38 +0800457 /* ARM VxWorks requires device tree physical address to be passed */
458 ((void (*)(void *))images->ep)(images->ft_addr);
459}
460#endif