blob: a09ada37d72be5fae7d62a3453643361d953e0ed [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Aneesh Vbcae7212011-07-21 09:10:21 -04002/*
3 * (C) Copyright 2010
4 * Texas Instruments, <www.ti.com>
5 *
6 * Aneesh V <aneesh@ti.com>
Aneesh Vbcae7212011-07-21 09:10:21 -04007 */
Philipp Tomsichf1c6e192017-06-30 19:02:53 +02008
Aneesh Vbcae7212011-07-21 09:10:21 -04009#include <common.h>
Simon Glass8bee2d22017-11-13 18:55:03 -070010#include <binman_sym.h>
Simon Glass11516512014-11-10 17:16:46 -070011#include <dm.h>
Tom Rini47f7bca2012-08-13 12:03:19 -070012#include <spl.h>
Aneesh Vbcae7212011-07-21 09:10:21 -040013#include <asm/u-boot.h>
Simon Schwarzbb085b82011-09-14 15:29:26 -040014#include <nand.h>
Aneesh V8cf686e2011-07-21 09:10:27 -040015#include <fat.h>
Simon Glassefb21722011-10-10 08:55:19 +000016#include <version.h>
Aneesh V8cf686e2011-07-21 09:10:27 -040017#include <image.h>
Aneesh V2d01dd92011-10-21 12:29:34 -040018#include <malloc.h>
Simon Glass11516512014-11-10 17:16:46 -070019#include <dm/root.h>
Andreas Müller761ca312012-01-04 15:26:24 +000020#include <linux/compiler.h>
B, Ravi6e7585b2017-04-18 17:27:27 +053021#include <fdt_support.h>
Lukasz Majewskia8be2492018-05-02 16:10:54 +020022#include <bootcount.h>
Aneesh Vbcae7212011-07-21 09:10:21 -040023
24DECLARE_GLOBAL_DATA_PTR;
25
Stefan Roese3c6f8a02012-08-28 10:50:59 +020026#ifndef CONFIG_SYS_UBOOT_START
27#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
28#endif
Stefano Babicae83d882012-08-23 12:46:16 +020029#ifndef CONFIG_SYS_MONITOR_LEN
Andreas Bießmanne76caa62014-10-25 02:54:55 +020030/* Unknown U-Boot size, let's assume it will not be more than 200 KB */
Stefano Babicae83d882012-08-23 12:46:16 +020031#define CONFIG_SYS_MONITOR_LEN (200 * 1024)
32#endif
33
Tom Rini47f7bca2012-08-13 12:03:19 -070034u32 *boot_params_ptr = NULL;
Simon Schwarz9ea5c6e2011-09-14 15:33:34 -040035
Simon Glass8bee2d22017-11-13 18:55:03 -070036/* See spl.h for information about this */
37binman_sym_declare(ulong, u_boot_any, pos);
38
Tom Rini6507f132012-08-22 15:31:05 -070039/* Define board data structure */
Aneesh Vbcae7212011-07-21 09:10:21 -040040static bd_t bdata __attribute__ ((section(".data")));
41
Simon Schwarz379c19a2012-03-15 04:01:38 +000042/*
Heiko Schocher496c5482016-06-07 08:31:20 +020043 * Board-specific Platform code can reimplement show_boot_progress () if needed
44 */
45__weak void show_boot_progress(int val) {}
46
47/*
Simon Schwarz379c19a2012-03-15 04:01:38 +000048 * Default function to determine if u-boot or the OS should
49 * be started. This implementation always returns 1.
50 *
51 * Please implement your own board specific funcion to do this.
52 *
53 * RETURN
54 * 0 to not start u-boot
55 * positive if u-boot should start
56 */
57#ifdef CONFIG_SPL_OS_BOOT
58__weak int spl_start_uboot(void)
59{
Tom Rini026b2fe2012-08-14 12:06:43 -070060 puts("SPL: Please implement spl_start_uboot() for your board\n");
61 puts("SPL: Direct Linux boot not active!\n");
Simon Schwarz379c19a2012-03-15 04:01:38 +000062 return 1;
63}
Ladislav Michl431889d2016-07-12 20:28:14 +020064
B, Ravi6e7585b2017-04-18 17:27:27 +053065/* weak default platform specific function to initialize
66 * dram banks
67 */
68__weak int dram_init_banksize(void)
69{
70 return 0;
71}
72
Ladislav Michl431889d2016-07-12 20:28:14 +020073/*
74 * Weak default function for arch specific zImage check. Return zero
75 * and fill start and end address if image is recognized.
76 */
77int __weak bootz_setup(ulong image, ulong *start, ulong *end)
78{
79 return 1;
80}
Simon Schwarz379c19a2012-03-15 04:01:38 +000081#endif
82
B, Ravi6e7585b2017-04-18 17:27:27 +053083void spl_fixup_fdt(void)
84{
85#if defined(CONFIG_SPL_OF_LIBFDT) && defined(CONFIG_SYS_SPL_ARGS_ADDR)
86 void *fdt_blob = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
87 int err;
88
89 err = fdt_check_header(fdt_blob);
90 if (err < 0) {
91 printf("fdt_root: %s\n", fdt_strerror(err));
92 return;
93 }
94
95 /* fixup the memory dt node */
96 err = fdt_shrink_to_minimum(fdt_blob, 0);
97 if (err == 0) {
98 printf("spl: fdt_shrink_to_minimum err - %d\n", err);
99 return;
100 }
101
102 err = arch_fixup_fdt(fdt_blob);
103 if (err) {
104 printf("spl: arch_fixup_fdt err - %d\n", err);
105 return;
106 }
107#endif
108}
109
Stefan Roeseea8256f2012-08-23 08:34:21 +0200110/*
111 * Weak default function for board specific cleanup/preparation before
112 * Linux boot. Some boards/platforms might not need it, so just provide
113 * an empty stub here.
114 */
115__weak void spl_board_prepare_for_linux(void)
116{
117 /* Nothing to do! */
118}
119
Michal Simek3a3b9142016-05-10 07:54:20 +0200120__weak void spl_board_prepare_for_boot(void)
121{
122 /* Nothing to do! */
123}
124
Simon Glassd95ceb92016-09-24 18:19:52 -0600125void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
Heiko Schocher0c3117b2014-10-31 08:31:00 +0100126{
Simon Glass8bee2d22017-11-13 18:55:03 -0700127 ulong u_boot_pos = binman_sym(ulong, u_boot_any, pos);
128
Simon Glassd95ceb92016-09-24 18:19:52 -0600129 spl_image->size = CONFIG_SYS_MONITOR_LEN;
Miquel Raynal55fe0e22018-02-28 20:51:43 +0100130
131 /*
132 * Binman error cases: address of the end of the previous region or the
133 * start of the image's entry area (usually 0) if there is no previous
134 * region.
135 */
136 if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
137 /* Binman does not support separated entry addresses */
Simon Glass8bee2d22017-11-13 18:55:03 -0700138 spl_image->entry_point = u_boot_pos;
139 spl_image->load_addr = u_boot_pos;
140 } else {
141 spl_image->entry_point = CONFIG_SYS_UBOOT_START;
142 spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
143 }
Simon Glassd95ceb92016-09-24 18:19:52 -0600144 spl_image->os = IH_OS_U_BOOT;
145 spl_image->name = "U-Boot";
Heiko Schocher0c3117b2014-10-31 08:31:00 +0100146}
147
Marek Vasut8a9dc162018-05-13 00:23:17 +0200148#ifdef CONFIG_SPL_LOAD_FIT_FULL
149/* Parse and load full fitImage in SPL */
150static int spl_load_fit_image(struct spl_image_info *spl_image,
151 const struct image_header *header)
152{
153 bootm_headers_t images;
154 const char *fit_uname_config = NULL;
155 const char *fit_uname_fdt = FIT_FDT_PROP;
156 const char *uname;
157 ulong fw_data = 0, dt_data = 0, img_data = 0;
158 ulong fw_len = 0, dt_len = 0, img_len = 0;
159 int idx, conf_noffset;
160 int ret;
161
162#ifdef CONFIG_SPL_FIT_SIGNATURE
163 images.verify = 1;
164#endif
165 ret = fit_image_load(&images, (ulong)header,
166 NULL, &fit_uname_config,
167 IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1,
168 FIT_LOAD_REQUIRED, &fw_data, &fw_len);
169 if (ret < 0)
170 return ret;
171
172 spl_image->size = fw_len;
173 spl_image->entry_point = fw_data;
174 spl_image->load_addr = fw_data;
175 spl_image->os = IH_OS_U_BOOT;
176 spl_image->name = "U-Boot";
177
178 debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
179 (int)sizeof(spl_image->name), spl_image->name,
180 spl_image->load_addr, spl_image->size);
181
182#ifdef CONFIG_SPL_FIT_SIGNATURE
183 images.verify = 1;
184#endif
185 fit_image_load(&images, (ulong)header,
186 &fit_uname_fdt, &fit_uname_config,
187 IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
188 FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
189
190 conf_noffset = fit_conf_get_node((const void *)header,
191 fit_uname_config);
192 if (conf_noffset <= 0)
193 return 0;
194
195 for (idx = 0;
196 uname = fdt_stringlist_get((const void *)header, conf_noffset,
197 FIT_LOADABLE_PROP, idx,
198 NULL), uname;
199 idx++)
200 {
201#ifdef CONFIG_SPL_FIT_SIGNATURE
202 images.verify = 1;
203#endif
204 ret = fit_image_load(&images, (ulong)header,
205 &uname, &fit_uname_config,
206 IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1,
207 FIT_LOAD_OPTIONAL_NON_ZERO,
208 &img_data, &img_len);
209 if (ret < 0)
210 return ret;
211 }
212
213 return 0;
214}
215#endif
216
Simon Glass71316c12016-09-24 18:19:53 -0600217int spl_parse_image_header(struct spl_image_info *spl_image,
218 const struct image_header *header)
Aneesh V8cf686e2011-07-21 09:10:27 -0400219{
Marek Vasut8a9dc162018-05-13 00:23:17 +0200220#ifdef CONFIG_SPL_LOAD_FIT_FULL
221 int ret = spl_load_fit_image(spl_image, header);
222
223 if (!ret)
224 return ret;
225#endif
Stefan Roese77552b02012-08-27 12:50:57 +0200226 if (image_get_magic(header) == IH_MAGIC) {
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600227#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
228 u32 header_size = sizeof(struct image_header);
229
Simon Glass71316c12016-09-24 18:19:53 -0600230 if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
Stefan Roese022b4972012-08-27 12:50:58 +0200231 /*
232 * On some system (e.g. powerpc), the load-address and
233 * entry-point is located at address 0. We can't load
234 * to 0-0x40. So skip header in this case.
235 */
Simon Glass71316c12016-09-24 18:19:53 -0600236 spl_image->load_addr = image_get_load(header);
237 spl_image->entry_point = image_get_ep(header);
238 spl_image->size = image_get_data_size(header);
Stefan Roese022b4972012-08-27 12:50:58 +0200239 } else {
Simon Glass71316c12016-09-24 18:19:53 -0600240 spl_image->entry_point = image_get_load(header);
Stefan Roese022b4972012-08-27 12:50:58 +0200241 /* Load including the header */
Simon Glass71316c12016-09-24 18:19:53 -0600242 spl_image->load_addr = spl_image->entry_point -
Stefan Roese022b4972012-08-27 12:50:58 +0200243 header_size;
Simon Glass71316c12016-09-24 18:19:53 -0600244 spl_image->size = image_get_data_size(header) +
Stefan Roese022b4972012-08-27 12:50:58 +0200245 header_size;
246 }
Simon Glass71316c12016-09-24 18:19:53 -0600247 spl_image->os = image_get_os(header);
248 spl_image->name = image_get_name(header);
Andre Przywara11e14792017-01-02 11:48:31 +0000249 debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
André Draszik3fe38392017-10-03 16:55:50 +0100250 IH_NMLEN, spl_image->name,
Simon Glass71316c12016-09-24 18:19:53 -0600251 spl_image->load_addr, spl_image->size);
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600252#else
253 /* LEGACY image not supported */
Anatolij Gustschin2d2531b2017-08-01 16:17:12 +0200254 debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600255 return -EINVAL;
256#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400257 } else {
Albert ARIBAUD \(3ADEV\)8c80eb32015-03-31 11:40:50 +0200258#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
259 /*
260 * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
261 * code which loads images in SPL cannot guarantee that
262 * absolutely all read errors will be reported.
263 * An example is the LPC32XX MLC NAND driver, which
264 * will consider that a completely unreadable NAND block
265 * is bad, and thus should be skipped silently.
266 */
267 panic("** no mkimage signature but raw image not supported");
Paul Kocialkowski85a37722016-08-24 20:04:42 +0200268#endif
269
Ladislav Michl431889d2016-07-12 20:28:14 +0200270#ifdef CONFIG_SPL_OS_BOOT
271 ulong start, end;
272
273 if (!bootz_setup((ulong)header, &start, &end)) {
Simon Glass71316c12016-09-24 18:19:53 -0600274 spl_image->name = "Linux";
275 spl_image->os = IH_OS_LINUX;
276 spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
277 spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
278 spl_image->size = end - start;
Andre Przywara11e14792017-01-02 11:48:31 +0000279 debug("spl: payload zImage, load addr: 0x%lx size: %d\n",
Simon Glass71316c12016-09-24 18:19:53 -0600280 spl_image->load_addr, spl_image->size);
Ladislav Michl431889d2016-07-12 20:28:14 +0200281 return 0;
282 }
283#endif
Paul Kocialkowski85a37722016-08-24 20:04:42 +0200284
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600285#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
Aneesh V8cf686e2011-07-21 09:10:27 -0400286 /* Signature not found - assume u-boot.bin */
Tom Rini026b2fe2012-08-14 12:06:43 -0700287 debug("mkimage signature not found - ih_magic = %x\n",
Aneesh V8cf686e2011-07-21 09:10:27 -0400288 header->ih_magic);
Simon Glass71316c12016-09-24 18:19:53 -0600289 spl_set_header_raw_uboot(spl_image);
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600290#else
291 /* RAW image not supported, proceed to other boot methods. */
Anatolij Gustschin2d2531b2017-08-01 16:17:12 +0200292 debug("Raw boot image support not enabled, proceeding to other boot methods\n");
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600293 return -EINVAL;
Albert ARIBAUD \(3ADEV\)8c80eb32015-03-31 11:40:50 +0200294#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400295 }
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600296
Marek Vasut7e0f2262016-04-29 00:44:54 +0200297 return 0;
Aneesh V8cf686e2011-07-21 09:10:27 -0400298}
299
Allen Martina759f1e2012-10-19 21:08:22 +0000300__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
Aneesh V8cf686e2011-07-21 09:10:27 -0400301{
SRICHARAN R4a0eb752013-04-24 00:41:24 +0000302 typedef void __noreturn (*image_entry_noargs_t)(void);
303
Aneesh V8cf686e2011-07-21 09:10:27 -0400304 image_entry_noargs_t image_entry =
Andre Przywara11e14792017-01-02 11:48:31 +0000305 (image_entry_noargs_t)spl_image->entry_point;
Aneesh V8cf686e2011-07-21 09:10:27 -0400306
Andre Przywara11e14792017-01-02 11:48:31 +0000307 debug("image entry point: 0x%lX\n", spl_image->entry_point);
SRICHARAN R4a0eb752013-04-24 00:41:24 +0000308 image_entry();
Aneesh V8cf686e2011-07-21 09:10:27 -0400309}
310
Eddie Cai340f4182017-03-15 08:43:28 -0600311static int spl_common_init(bool setup_malloc)
Aneesh Vbcae7212011-07-21 09:10:21 -0400312{
Simon Glassf3d46bd2015-02-27 22:06:42 -0700313 int ret;
314
Eddie Cai340f4182017-03-15 08:43:28 -0600315 debug("spl_early_init()\n");
316
Andy Yanf1896c42017-07-24 17:43:34 +0800317#if CONFIG_VAL(SYS_MALLOC_F_LEN)
Eddie Cai340f4182017-03-15 08:43:28 -0600318 if (setup_malloc) {
Marek Vasut94b9e222016-05-25 02:14:56 +0200319#ifdef CONFIG_MALLOC_F_ADDR
Eddie Cai340f4182017-03-15 08:43:28 -0600320 gd->malloc_base = CONFIG_MALLOC_F_ADDR;
Marek Vasut94b9e222016-05-25 02:14:56 +0200321#endif
Andy Yanf1896c42017-07-24 17:43:34 +0800322 gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
Eddie Cai340f4182017-03-15 08:43:28 -0600323 gd->malloc_ptr = 0;
324 }
Tom Rini24dafad2012-08-13 14:13:07 -0700325#endif
Simon Glass824bb1b2017-05-22 05:05:35 -0600326 ret = bootstage_init(true);
327 if (ret) {
328 debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
329 ret);
330 return ret;
331 }
332 bootstage_mark_name(BOOTSTAGE_ID_START_SPL, "spl");
Simon Glassd223e0a2016-07-04 11:57:56 -0600333 if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
Simon Glassf3d46bd2015-02-27 22:06:42 -0700334 ret = fdtdec_setup();
335 if (ret) {
336 debug("fdtdec_setup() returned error %d\n", ret);
Simon Glass070d00b2015-06-23 15:39:10 -0600337 return ret;
Simon Glassf3d46bd2015-02-27 22:06:42 -0700338 }
339 }
Philipp Tomsichf1c6e192017-06-30 19:02:53 +0200340 if (CONFIG_IS_ENABLED(DM)) {
Simon Glass824bb1b2017-05-22 05:05:35 -0600341 bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL, "dm_spl");
Tom Rini7f73ca42017-01-14 12:20:23 -0500342 /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
Simon Glass7d23b9c2016-07-04 11:58:14 -0600343 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
Simon Glass824bb1b2017-05-22 05:05:35 -0600344 bootstage_accum(BOOTSTATE_ID_ACCUM_DM_SPL);
Simon Glassf3d46bd2015-02-27 22:06:42 -0700345 if (ret) {
346 debug("dm_init_and_scan() returned error %d\n", ret);
Simon Glass070d00b2015-06-23 15:39:10 -0600347 return ret;
Simon Glassf3d46bd2015-02-27 22:06:42 -0700348 }
349 }
Eddie Cai340f4182017-03-15 08:43:28 -0600350
351 return 0;
352}
353
York Sund1fc0a32017-09-28 08:42:10 -0700354void spl_set_bd(void)
355{
356 if (!gd->bd)
357 gd->bd = &bdata;
358}
359
Eddie Cai340f4182017-03-15 08:43:28 -0600360int spl_early_init(void)
361{
362 int ret;
363
364 ret = spl_common_init(true);
365 if (ret)
366 return ret;
367 gd->flags |= GD_FLG_SPL_EARLY_INIT;
368
369 return 0;
370}
371
372int spl_init(void)
373{
374 int ret;
Tom Rinicf334ed2017-03-20 14:19:27 -0400375 bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
376 IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
Eddie Cai340f4182017-03-15 08:43:28 -0600377
378 if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
Tom Rinicf334ed2017-03-20 14:19:27 -0400379 ret = spl_common_init(setup_malloc);
Eddie Cai340f4182017-03-15 08:43:28 -0600380 if (ret)
381 return ret;
382 }
Simon Glass070d00b2015-06-23 15:39:10 -0600383 gd->flags |= GD_FLG_SPL_INIT;
Aneesh V2d01dd92011-10-21 12:29:34 -0400384
Simon Glass070d00b2015-06-23 15:39:10 -0600385 return 0;
386}
387
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200388#ifndef BOOT_DEVICE_NONE
389#define BOOT_DEVICE_NONE 0xdeadbeef
390#endif
391
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200392__weak void board_boot_order(u32 *spl_boot_list)
393{
394 spl_boot_list[0] = spl_boot_device();
395}
396
Simon Glassa0a80292016-09-24 18:19:58 -0600397static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
398{
399 struct spl_image_loader *drv =
400 ll_entry_start(struct spl_image_loader, spl_image_loader);
401 const int n_ents =
402 ll_entry_count(struct spl_image_loader, spl_image_loader);
403 struct spl_image_loader *entry;
404
405 for (entry = drv; entry != drv + n_ents; entry++) {
406 if (boot_device == entry->boot_device)
407 return entry;
408 }
409
410 /* Not found */
411 return NULL;
412}
413
Simon Glass29d357d2016-11-30 15:30:52 -0700414static int spl_load_image(struct spl_image_info *spl_image,
415 struct spl_image_loader *loader)
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200416{
Simon Glassecdfd692016-09-24 18:19:57 -0600417 struct spl_boot_device bootdev;
418
Simon Glass29d357d2016-11-30 15:30:52 -0700419 bootdev.boot_device = loader->boot_device;
Simon Glassecdfd692016-09-24 18:19:57 -0600420 bootdev.boot_device_name = NULL;
421
Simon Glass540bfe72016-11-30 15:30:51 -0700422 return loader->load_image(spl_image, &bootdev);
423}
424
425/**
426 * boot_from_devices() - Try loading an booting U-Boot from a list of devices
427 *
428 * @spl_image: Place to put the image details if successful
429 * @spl_boot_list: List of boot devices to try
430 * @count: Number of elements in spl_boot_list
431 * @return 0 if OK, -ve on error
432 */
433static int boot_from_devices(struct spl_image_info *spl_image,
434 u32 spl_boot_list[], int count)
435{
436 int i;
437
438 for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
439 struct spl_image_loader *loader;
440
Simon Glass540bfe72016-11-30 15:30:51 -0700441 loader = spl_ll_find_loader(spl_boot_list[i]);
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200442#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
Simon Glass2acf35d2016-11-30 15:30:53 -0700443 if (loader)
Andrew F. Daviscf947da2017-01-12 10:19:55 -0600444 printf("Trying to boot from %s\n", loader->name);
Simon Glass2acf35d2016-11-30 15:30:53 -0700445 else
Simon Glass540bfe72016-11-30 15:30:51 -0700446 puts("SPL: Unsupported Boot Device!\n");
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200447#endif
Simon Glass29d357d2016-11-30 15:30:52 -0700448 if (loader && !spl_load_image(spl_image, loader))
Simon Glass540bfe72016-11-30 15:30:51 -0700449 return 0;
450 }
451
Simon Glass97d9df02016-09-24 18:20:12 -0600452 return -ENODEV;
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200453}
454
Simon Glass070d00b2015-06-23 15:39:10 -0600455void board_init_r(gd_t *dummy1, ulong dummy2)
456{
Simon Glassd32b2d12016-09-24 18:20:17 -0600457 u32 spl_boot_list[] = {
458 BOOT_DEVICE_NONE,
459 BOOT_DEVICE_NONE,
460 BOOT_DEVICE_NONE,
461 BOOT_DEVICE_NONE,
462 BOOT_DEVICE_NONE,
463 };
464 struct spl_image_info spl_image;
Simon Glass070d00b2015-06-23 15:39:10 -0600465
466 debug(">>spl:board_init_r()\n");
York Sund1fc0a32017-09-28 08:42:10 -0700467
468 spl_set_bd();
469
B, Ravi6e7585b2017-04-18 17:27:27 +0530470#ifdef CONFIG_SPL_OS_BOOT
471 dram_init_banksize();
472#endif
Simon Glass070d00b2015-06-23 15:39:10 -0600473
474#if defined(CONFIG_SYS_SPL_MALLOC_START)
475 mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
476 CONFIG_SYS_SPL_MALLOC_SIZE);
477 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
478#endif
479 if (!(gd->flags & GD_FLG_SPL_INIT)) {
480 if (spl_init())
481 hang();
482 }
Anatolij Gustschinf9d42d82017-08-28 17:46:33 +0200483#if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
Stefan Roeseea8256f2012-08-23 08:34:21 +0200484 /*
485 * timer_init() does not exist on PPC systems. The timer is initialized
486 * and enabled (decrementer) in interrupt_init() here.
487 */
Ilya Yanok4063c772012-09-17 10:26:26 +0000488 timer_init();
Stefan Roeseea8256f2012-08-23 08:34:21 +0200489#endif
Ilya Yanok4063c772012-09-17 10:26:26 +0000490
Kever Yangaf2f4422018-01-20 18:00:26 +0800491#if CONFIG_IS_ENABLED(BOARD_INIT)
Tom Riniee08a822011-11-23 05:13:06 +0000492 spl_board_init();
493#endif
494
Lukasz Majewskia8be2492018-05-02 16:10:54 +0200495 bootcount_inc();
496
Simon Glassd32b2d12016-09-24 18:20:17 -0600497 memset(&spl_image, '\0', sizeof(spl_image));
Vikas Manocha5bf52502017-04-07 15:38:13 -0700498#ifdef CONFIG_SYS_SPL_ARGS_ADDR
499 spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
500#endif
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200501 board_boot_order(spl_boot_list);
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200502
Simon Glass540bfe72016-11-30 15:30:51 -0700503 if (boot_from_devices(&spl_image, spl_boot_list,
504 ARRAY_SIZE(spl_boot_list))) {
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200505 puts("SPL: failed to boot from all boot devices\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400506 hang();
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200507 }
Aneesh V8cf686e2011-07-21 09:10:27 -0400508
Vikas Manocha6bcdd662017-05-28 12:55:08 -0700509#ifdef CONFIG_CPU_V7M
510 spl_image.entry_point |= 0x1;
511#endif
Simon Schwarz9ea5c6e2011-09-14 15:33:34 -0400512 switch (spl_image.os) {
Aneesh V8cf686e2011-07-21 09:10:27 -0400513 case IH_OS_U_BOOT:
514 debug("Jumping to U-Boot\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400515 break;
Philipp Tomsich1d379092017-09-13 21:29:35 +0200516#if CONFIG_IS_ENABLED(ATF)
517 case IH_OS_ARM_TRUSTED_FIRMWARE:
518 debug("Jumping to U-Boot via ARM Trusted Firmware\n");
519 spl_invoke_atf(&spl_image);
520 break;
521#endif
Simon Schwarz379c19a2012-03-15 04:01:38 +0000522#ifdef CONFIG_SPL_OS_BOOT
523 case IH_OS_LINUX:
524 debug("Jumping to Linux\n");
B, Ravi6e7585b2017-04-18 17:27:27 +0530525 spl_fixup_fdt();
Simon Schwarz379c19a2012-03-15 04:01:38 +0000526 spl_board_prepare_for_linux();
Vikas Manocha5bf52502017-04-07 15:38:13 -0700527 jump_to_image_linux(&spl_image);
Simon Schwarz379c19a2012-03-15 04:01:38 +0000528#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400529 default:
Tom Rini42120982012-08-27 14:58:28 -0700530 debug("Unsupported OS image.. Jumping nevertheless..\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400531 }
Andy Yanf1896c42017-07-24 17:43:34 +0800532#if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
Simon Glassfb4f5e72014-11-10 17:16:45 -0700533 debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
534 gd->malloc_ptr / 1024);
535#endif
Simon Glass824bb1b2017-05-22 05:05:35 -0600536#ifdef CONFIG_BOOTSTAGE_STASH
537 int ret;
538
539 bootstage_mark_name(BOOTSTAGE_ID_END_SPL, "end_spl");
540 ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
541 CONFIG_BOOTSTAGE_STASH_SIZE);
542 if (ret)
543 debug("Failed to stash bootstage: err=%d\n", ret);
544#endif
Kever Yanga8c51122017-09-13 18:24:24 +0800545
Kever Yanga8c51122017-09-13 18:24:24 +0800546 debug("loaded - jumping to U-Boot...\n");
Michal Simek3a3b9142016-05-10 07:54:20 +0200547 spl_board_prepare_for_boot();
Allen Martina759f1e2012-10-19 21:08:22 +0000548 jump_to_image_no_args(&spl_image);
Aneesh Vbcae7212011-07-21 09:10:21 -0400549}
550
Alex Kiernan117a0e02018-04-19 04:32:51 +0000551#ifdef CONFIG_SPL_SERIAL_SUPPORT
Tom Rini6507f132012-08-22 15:31:05 -0700552/*
553 * This requires UART clocks to be enabled. In order for this to work the
554 * caller must ensure that the gd pointer is valid.
555 */
Aneesh Vbcae7212011-07-21 09:10:21 -0400556void preloader_console_init(void)
557{
Aneesh Vbcae7212011-07-21 09:10:21 -0400558 gd->baudrate = CONFIG_BAUDRATE;
559
Aneesh Vbcae7212011-07-21 09:10:21 -0400560 serial_init(); /* serial communications setup */
561
Ilya Yanokb88befa2011-11-01 13:16:03 +0000562 gd->have_console = 1;
563
Anatolij Gustschin0292bc02018-01-25 18:45:22 +0100564#ifndef CONFIG_SPL_DISABLE_BANNER_PRINT
Tom Rini026b2fe2012-08-14 12:06:43 -0700565 puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \
Klaus Goger0b674a32018-01-04 07:22:11 +0100566 U_BOOT_TIME " " U_BOOT_TZ ")\n");
Anatolij Gustschin0292bc02018-01-25 18:45:22 +0100567#endif
Tom Rini861a86f2012-08-13 11:37:56 -0700568#ifdef CONFIG_SPL_DISPLAY_PRINT
569 spl_display_print();
570#endif
Tom Rinicc3f7052011-10-04 04:59:23 +0000571}
Alex Kiernan117a0e02018-04-19 04:32:51 +0000572#endif
Simon Glassdb910352015-03-03 08:03:00 -0700573
574/**
575 * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
576 *
577 * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
578 * for the main board_init_r() execution. This is typically because we need
579 * more stack space for things like the MMC sub-system.
580 *
581 * This function calculates the stack position, copies the global_data into
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100582 * place, sets the new gd (except for ARM, for which setting GD within a C
583 * function may not always work) and returns the new stack position. The
584 * caller is responsible for setting up the sp register and, in the case
585 * of ARM, setting up gd.
586 *
587 * All of this is done using the same layout and alignments as done in
588 * board_init_f_init_reserve() / board_init_f_alloc_reserve().
Simon Glassdb910352015-03-03 08:03:00 -0700589 *
590 * @return new stack location, or 0 to use the same stack
591 */
592ulong spl_relocate_stack_gd(void)
593{
594#ifdef CONFIG_SPL_STACK_R
595 gd_t *new_gd;
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100596 ulong ptr = CONFIG_SPL_STACK_R_ADDR;
Simon Glassdb910352015-03-03 08:03:00 -0700597
Philipp Tomsichae2cee22017-07-28 11:06:03 +0200598#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
Hans de Goededcfcb8d2015-09-13 15:04:17 +0200599 if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
Hans de Goededcfcb8d2015-09-13 15:04:17 +0200600 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
601 gd->malloc_base = ptr;
602 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
603 gd->malloc_ptr = 0;
604 }
605#endif
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100606 /* Get stack position: use 8-byte alignment for ABI compliance */
607 ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
608 new_gd = (gd_t *)ptr;
609 memcpy(new_gd, (void *)gd, sizeof(gd_t));
Simon Glass2f11cd92016-11-13 14:21:58 -0700610#if CONFIG_IS_ENABLED(DM)
611 dm_fixup_for_gd_move(new_gd);
612#endif
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100613#if !defined(CONFIG_ARM)
614 gd = new_gd;
615#endif
Simon Glassdb910352015-03-03 08:03:00 -0700616 return ptr;
617#else
618 return 0;
619#endif
620}