blob: 0a49766f21422c25c2756969bbc41b70b9c9c580 [file] [log] [blame]
Aneesh Vbcae7212011-07-21 09:10:21 -04001/*
2 * (C) Copyright 2010
3 * Texas Instruments, <www.ti.com>
4 *
5 * Aneesh V <aneesh@ti.com>
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Aneesh Vbcae7212011-07-21 09:10:21 -04008 */
9#include <common.h>
Simon Glass11516512014-11-10 17:16:46 -070010#include <dm.h>
Tom Rini47f7bca2012-08-13 12:03:19 -070011#include <spl.h>
Aneesh Vbcae7212011-07-21 09:10:21 -040012#include <asm/u-boot.h>
Simon Schwarzbb085b82011-09-14 15:29:26 -040013#include <nand.h>
Aneesh V8cf686e2011-07-21 09:10:27 -040014#include <fat.h>
Simon Glassefb21722011-10-10 08:55:19 +000015#include <version.h>
Aneesh V8cf686e2011-07-21 09:10:27 -040016#include <image.h>
Aneesh V2d01dd92011-10-21 12:29:34 -040017#include <malloc.h>
Simon Glass11516512014-11-10 17:16:46 -070018#include <dm/root.h>
Andreas Müller761ca312012-01-04 15:26:24 +000019#include <linux/compiler.h>
B, Ravi6e7585b2017-04-18 17:27:27 +053020#include <fdt_support.h>
Aneesh Vbcae7212011-07-21 09:10:21 -040021
22DECLARE_GLOBAL_DATA_PTR;
23
Stefan Roese3c6f8a02012-08-28 10:50:59 +020024#ifndef CONFIG_SYS_UBOOT_START
25#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
26#endif
Stefano Babicae83d882012-08-23 12:46:16 +020027#ifndef CONFIG_SYS_MONITOR_LEN
Andreas Bießmanne76caa62014-10-25 02:54:55 +020028/* Unknown U-Boot size, let's assume it will not be more than 200 KB */
Stefano Babicae83d882012-08-23 12:46:16 +020029#define CONFIG_SYS_MONITOR_LEN (200 * 1024)
30#endif
31
Tom Rini47f7bca2012-08-13 12:03:19 -070032u32 *boot_params_ptr = NULL;
Simon Schwarz9ea5c6e2011-09-14 15:33:34 -040033
Tom Rini6507f132012-08-22 15:31:05 -070034/* Define board data structure */
Aneesh Vbcae7212011-07-21 09:10:21 -040035static bd_t bdata __attribute__ ((section(".data")));
36
Simon Schwarz379c19a2012-03-15 04:01:38 +000037/*
Heiko Schocher496c5482016-06-07 08:31:20 +020038 * Board-specific Platform code can reimplement show_boot_progress () if needed
39 */
40__weak void show_boot_progress(int val) {}
41
42/*
Simon Schwarz379c19a2012-03-15 04:01:38 +000043 * Default function to determine if u-boot or the OS should
44 * be started. This implementation always returns 1.
45 *
46 * Please implement your own board specific funcion to do this.
47 *
48 * RETURN
49 * 0 to not start u-boot
50 * positive if u-boot should start
51 */
52#ifdef CONFIG_SPL_OS_BOOT
53__weak int spl_start_uboot(void)
54{
Tom Rini026b2fe2012-08-14 12:06:43 -070055 puts("SPL: Please implement spl_start_uboot() for your board\n");
56 puts("SPL: Direct Linux boot not active!\n");
Simon Schwarz379c19a2012-03-15 04:01:38 +000057 return 1;
58}
Ladislav Michl431889d2016-07-12 20:28:14 +020059
B, Ravi6e7585b2017-04-18 17:27:27 +053060/* weak default platform specific function to initialize
61 * dram banks
62 */
63__weak int dram_init_banksize(void)
64{
65 return 0;
66}
67
Ladislav Michl431889d2016-07-12 20:28:14 +020068/*
69 * Weak default function for arch specific zImage check. Return zero
70 * and fill start and end address if image is recognized.
71 */
72int __weak bootz_setup(ulong image, ulong *start, ulong *end)
73{
74 return 1;
75}
Simon Schwarz379c19a2012-03-15 04:01:38 +000076#endif
77
B, Ravi6e7585b2017-04-18 17:27:27 +053078void spl_fixup_fdt(void)
79{
80#if defined(CONFIG_SPL_OF_LIBFDT) && defined(CONFIG_SYS_SPL_ARGS_ADDR)
81 void *fdt_blob = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
82 int err;
83
84 err = fdt_check_header(fdt_blob);
85 if (err < 0) {
86 printf("fdt_root: %s\n", fdt_strerror(err));
87 return;
88 }
89
90 /* fixup the memory dt node */
91 err = fdt_shrink_to_minimum(fdt_blob, 0);
92 if (err == 0) {
93 printf("spl: fdt_shrink_to_minimum err - %d\n", err);
94 return;
95 }
96
97 err = arch_fixup_fdt(fdt_blob);
98 if (err) {
99 printf("spl: arch_fixup_fdt err - %d\n", err);
100 return;
101 }
102#endif
103}
104
Stefan Roeseea8256f2012-08-23 08:34:21 +0200105/*
106 * Weak default function for board specific cleanup/preparation before
107 * Linux boot. Some boards/platforms might not need it, so just provide
108 * an empty stub here.
109 */
110__weak void spl_board_prepare_for_linux(void)
111{
112 /* Nothing to do! */
113}
114
Michal Simek3a3b9142016-05-10 07:54:20 +0200115__weak void spl_board_prepare_for_boot(void)
116{
117 /* Nothing to do! */
118}
119
Simon Glassd95ceb92016-09-24 18:19:52 -0600120void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
Heiko Schocher0c3117b2014-10-31 08:31:00 +0100121{
Simon Glassd95ceb92016-09-24 18:19:52 -0600122 spl_image->size = CONFIG_SYS_MONITOR_LEN;
123 spl_image->entry_point = CONFIG_SYS_UBOOT_START;
Vikas Manocha634fcf02017-03-31 16:34:39 -0700124#ifdef CONFIG_CPU_V7M
125 spl_image->entry_point |= 0x1;
126#endif
Simon Glassd95ceb92016-09-24 18:19:52 -0600127 spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
128 spl_image->os = IH_OS_U_BOOT;
129 spl_image->name = "U-Boot";
Heiko Schocher0c3117b2014-10-31 08:31:00 +0100130}
131
Simon Glass71316c12016-09-24 18:19:53 -0600132int spl_parse_image_header(struct spl_image_info *spl_image,
133 const struct image_header *header)
Aneesh V8cf686e2011-07-21 09:10:27 -0400134{
Stefan Roese77552b02012-08-27 12:50:57 +0200135 if (image_get_magic(header) == IH_MAGIC) {
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600136#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
137 u32 header_size = sizeof(struct image_header);
138
Simon Glass71316c12016-09-24 18:19:53 -0600139 if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
Stefan Roese022b4972012-08-27 12:50:58 +0200140 /*
141 * On some system (e.g. powerpc), the load-address and
142 * entry-point is located at address 0. We can't load
143 * to 0-0x40. So skip header in this case.
144 */
Simon Glass71316c12016-09-24 18:19:53 -0600145 spl_image->load_addr = image_get_load(header);
146 spl_image->entry_point = image_get_ep(header);
147 spl_image->size = image_get_data_size(header);
Stefan Roese022b4972012-08-27 12:50:58 +0200148 } else {
Simon Glass71316c12016-09-24 18:19:53 -0600149 spl_image->entry_point = image_get_load(header);
Stefan Roese022b4972012-08-27 12:50:58 +0200150 /* Load including the header */
Simon Glass71316c12016-09-24 18:19:53 -0600151 spl_image->load_addr = spl_image->entry_point -
Stefan Roese022b4972012-08-27 12:50:58 +0200152 header_size;
Simon Glass71316c12016-09-24 18:19:53 -0600153 spl_image->size = image_get_data_size(header) +
Stefan Roese022b4972012-08-27 12:50:58 +0200154 header_size;
155 }
Simon Glass71316c12016-09-24 18:19:53 -0600156 spl_image->os = image_get_os(header);
157 spl_image->name = image_get_name(header);
Andre Przywara11e14792017-01-02 11:48:31 +0000158 debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
Simon Glass71316c12016-09-24 18:19:53 -0600159 (int)sizeof(spl_image->name), spl_image->name,
160 spl_image->load_addr, spl_image->size);
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600161#else
162 /* LEGACY image not supported */
163 debug("Legacy boot image support not enabled, proceeding to other boot methods");
164 return -EINVAL;
165#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400166 } else {
Albert ARIBAUD \(3ADEV\)8c80eb32015-03-31 11:40:50 +0200167#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
168 /*
169 * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
170 * code which loads images in SPL cannot guarantee that
171 * absolutely all read errors will be reported.
172 * An example is the LPC32XX MLC NAND driver, which
173 * will consider that a completely unreadable NAND block
174 * is bad, and thus should be skipped silently.
175 */
176 panic("** no mkimage signature but raw image not supported");
Paul Kocialkowski85a37722016-08-24 20:04:42 +0200177#endif
178
Ladislav Michl431889d2016-07-12 20:28:14 +0200179#ifdef CONFIG_SPL_OS_BOOT
180 ulong start, end;
181
182 if (!bootz_setup((ulong)header, &start, &end)) {
Simon Glass71316c12016-09-24 18:19:53 -0600183 spl_image->name = "Linux";
184 spl_image->os = IH_OS_LINUX;
185 spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
186 spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
187 spl_image->size = end - start;
Andre Przywara11e14792017-01-02 11:48:31 +0000188 debug("spl: payload zImage, load addr: 0x%lx size: %d\n",
Simon Glass71316c12016-09-24 18:19:53 -0600189 spl_image->load_addr, spl_image->size);
Ladislav Michl431889d2016-07-12 20:28:14 +0200190 return 0;
191 }
192#endif
Paul Kocialkowski85a37722016-08-24 20:04:42 +0200193
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600194#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
Aneesh V8cf686e2011-07-21 09:10:27 -0400195 /* Signature not found - assume u-boot.bin */
Tom Rini026b2fe2012-08-14 12:06:43 -0700196 debug("mkimage signature not found - ih_magic = %x\n",
Aneesh V8cf686e2011-07-21 09:10:27 -0400197 header->ih_magic);
Simon Glass71316c12016-09-24 18:19:53 -0600198 spl_set_header_raw_uboot(spl_image);
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600199#else
200 /* RAW image not supported, proceed to other boot methods. */
201 debug("Raw boot image support not enabled, proceeding to other boot methods");
202 return -EINVAL;
Albert ARIBAUD \(3ADEV\)8c80eb32015-03-31 11:40:50 +0200203#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400204 }
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600205
Marek Vasut7e0f2262016-04-29 00:44:54 +0200206 return 0;
Aneesh V8cf686e2011-07-21 09:10:27 -0400207}
208
Allen Martina759f1e2012-10-19 21:08:22 +0000209__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
Aneesh V8cf686e2011-07-21 09:10:27 -0400210{
SRICHARAN R4a0eb752013-04-24 00:41:24 +0000211 typedef void __noreturn (*image_entry_noargs_t)(void);
212
Aneesh V8cf686e2011-07-21 09:10:27 -0400213 image_entry_noargs_t image_entry =
Andre Przywara11e14792017-01-02 11:48:31 +0000214 (image_entry_noargs_t)spl_image->entry_point;
Aneesh V8cf686e2011-07-21 09:10:27 -0400215
Andre Przywara11e14792017-01-02 11:48:31 +0000216 debug("image entry point: 0x%lX\n", spl_image->entry_point);
SRICHARAN R4a0eb752013-04-24 00:41:24 +0000217 image_entry();
Aneesh V8cf686e2011-07-21 09:10:27 -0400218}
219
Eddie Cai340f4182017-03-15 08:43:28 -0600220static int spl_common_init(bool setup_malloc)
Aneesh Vbcae7212011-07-21 09:10:21 -0400221{
Simon Glassf3d46bd2015-02-27 22:06:42 -0700222 int ret;
223
Eddie Cai340f4182017-03-15 08:43:28 -0600224 debug("spl_early_init()\n");
225
226#if defined(CONFIG_SYS_MALLOC_F_LEN)
227 if (setup_malloc) {
Marek Vasut94b9e222016-05-25 02:14:56 +0200228#ifdef CONFIG_MALLOC_F_ADDR
Eddie Cai340f4182017-03-15 08:43:28 -0600229 gd->malloc_base = CONFIG_MALLOC_F_ADDR;
Marek Vasut94b9e222016-05-25 02:14:56 +0200230#endif
Eddie Cai340f4182017-03-15 08:43:28 -0600231 gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN;
232 gd->malloc_ptr = 0;
233 }
Tom Rini24dafad2012-08-13 14:13:07 -0700234#endif
Simon Glassd223e0a2016-07-04 11:57:56 -0600235 if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
Simon Glassf3d46bd2015-02-27 22:06:42 -0700236 ret = fdtdec_setup();
237 if (ret) {
238 debug("fdtdec_setup() returned error %d\n", ret);
Simon Glass070d00b2015-06-23 15:39:10 -0600239 return ret;
Simon Glassf3d46bd2015-02-27 22:06:42 -0700240 }
241 }
242 if (IS_ENABLED(CONFIG_SPL_DM)) {
Tom Rini7f73ca42017-01-14 12:20:23 -0500243 /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
Simon Glass7d23b9c2016-07-04 11:58:14 -0600244 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
Simon Glassf3d46bd2015-02-27 22:06:42 -0700245 if (ret) {
246 debug("dm_init_and_scan() returned error %d\n", ret);
Simon Glass070d00b2015-06-23 15:39:10 -0600247 return ret;
Simon Glassf3d46bd2015-02-27 22:06:42 -0700248 }
249 }
Eddie Cai340f4182017-03-15 08:43:28 -0600250
251 return 0;
252}
253
254int spl_early_init(void)
255{
256 int ret;
257
258 ret = spl_common_init(true);
259 if (ret)
260 return ret;
261 gd->flags |= GD_FLG_SPL_EARLY_INIT;
262
263 return 0;
264}
265
266int spl_init(void)
267{
268 int ret;
Tom Rinicf334ed2017-03-20 14:19:27 -0400269 bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
270 IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
Eddie Cai340f4182017-03-15 08:43:28 -0600271
272 if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
Tom Rinicf334ed2017-03-20 14:19:27 -0400273 ret = spl_common_init(setup_malloc);
Eddie Cai340f4182017-03-15 08:43:28 -0600274 if (ret)
275 return ret;
276 }
Simon Glass070d00b2015-06-23 15:39:10 -0600277 gd->flags |= GD_FLG_SPL_INIT;
Aneesh V2d01dd92011-10-21 12:29:34 -0400278
Simon Glass070d00b2015-06-23 15:39:10 -0600279 return 0;
280}
281
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200282#ifndef BOOT_DEVICE_NONE
283#define BOOT_DEVICE_NONE 0xdeadbeef
284#endif
285
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200286__weak void board_boot_order(u32 *spl_boot_list)
287{
288 spl_boot_list[0] = spl_boot_device();
289}
290
Simon Glassa0a80292016-09-24 18:19:58 -0600291static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
292{
293 struct spl_image_loader *drv =
294 ll_entry_start(struct spl_image_loader, spl_image_loader);
295 const int n_ents =
296 ll_entry_count(struct spl_image_loader, spl_image_loader);
297 struct spl_image_loader *entry;
298
299 for (entry = drv; entry != drv + n_ents; entry++) {
300 if (boot_device == entry->boot_device)
301 return entry;
302 }
303
304 /* Not found */
305 return NULL;
306}
307
Simon Glass29d357d2016-11-30 15:30:52 -0700308static int spl_load_image(struct spl_image_info *spl_image,
309 struct spl_image_loader *loader)
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200310{
Simon Glassecdfd692016-09-24 18:19:57 -0600311 struct spl_boot_device bootdev;
312
Simon Glass29d357d2016-11-30 15:30:52 -0700313 bootdev.boot_device = loader->boot_device;
Simon Glassecdfd692016-09-24 18:19:57 -0600314 bootdev.boot_device_name = NULL;
315
Simon Glass540bfe72016-11-30 15:30:51 -0700316 return loader->load_image(spl_image, &bootdev);
317}
318
319/**
320 * boot_from_devices() - Try loading an booting U-Boot from a list of devices
321 *
322 * @spl_image: Place to put the image details if successful
323 * @spl_boot_list: List of boot devices to try
324 * @count: Number of elements in spl_boot_list
325 * @return 0 if OK, -ve on error
326 */
327static int boot_from_devices(struct spl_image_info *spl_image,
328 u32 spl_boot_list[], int count)
329{
330 int i;
331
332 for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
333 struct spl_image_loader *loader;
334
Simon Glass540bfe72016-11-30 15:30:51 -0700335 loader = spl_ll_find_loader(spl_boot_list[i]);
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200336#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
Simon Glass2acf35d2016-11-30 15:30:53 -0700337 if (loader)
Andrew F. Daviscf947da2017-01-12 10:19:55 -0600338 printf("Trying to boot from %s\n", loader->name);
Simon Glass2acf35d2016-11-30 15:30:53 -0700339 else
Simon Glass540bfe72016-11-30 15:30:51 -0700340 puts("SPL: Unsupported Boot Device!\n");
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200341#endif
Simon Glass29d357d2016-11-30 15:30:52 -0700342 if (loader && !spl_load_image(spl_image, loader))
Simon Glass540bfe72016-11-30 15:30:51 -0700343 return 0;
344 }
345
Simon Glass97d9df02016-09-24 18:20:12 -0600346 return -ENODEV;
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200347}
348
Simon Glass070d00b2015-06-23 15:39:10 -0600349void board_init_r(gd_t *dummy1, ulong dummy2)
350{
Simon Glassd32b2d12016-09-24 18:20:17 -0600351 u32 spl_boot_list[] = {
352 BOOT_DEVICE_NONE,
353 BOOT_DEVICE_NONE,
354 BOOT_DEVICE_NONE,
355 BOOT_DEVICE_NONE,
356 BOOT_DEVICE_NONE,
357 };
358 struct spl_image_info spl_image;
Simon Glass070d00b2015-06-23 15:39:10 -0600359
360 debug(">>spl:board_init_r()\n");
Lokesh Vutla15eb1d42017-04-18 17:27:23 +0530361 gd->bd = &bdata;
B, Ravi6e7585b2017-04-18 17:27:27 +0530362#ifdef CONFIG_SPL_OS_BOOT
363 dram_init_banksize();
364#endif
Simon Glass070d00b2015-06-23 15:39:10 -0600365
366#if defined(CONFIG_SYS_SPL_MALLOC_START)
367 mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
368 CONFIG_SYS_SPL_MALLOC_SIZE);
369 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
370#endif
371 if (!(gd->flags & GD_FLG_SPL_INIT)) {
372 if (spl_init())
373 hang();
374 }
Stefan Roeseea8256f2012-08-23 08:34:21 +0200375#ifndef CONFIG_PPC
376 /*
377 * timer_init() does not exist on PPC systems. The timer is initialized
378 * and enabled (decrementer) in interrupt_init() here.
379 */
Ilya Yanok4063c772012-09-17 10:26:26 +0000380 timer_init();
Stefan Roeseea8256f2012-08-23 08:34:21 +0200381#endif
Ilya Yanok4063c772012-09-17 10:26:26 +0000382
Tom Riniee08a822011-11-23 05:13:06 +0000383#ifdef CONFIG_SPL_BOARD_INIT
384 spl_board_init();
385#endif
386
Simon Glassd32b2d12016-09-24 18:20:17 -0600387 memset(&spl_image, '\0', sizeof(spl_image));
Vikas Manocha5bf52502017-04-07 15:38:13 -0700388#ifdef CONFIG_SYS_SPL_ARGS_ADDR
389 spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
390#endif
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200391 board_boot_order(spl_boot_list);
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200392
Simon Glass540bfe72016-11-30 15:30:51 -0700393 if (boot_from_devices(&spl_image, spl_boot_list,
394 ARRAY_SIZE(spl_boot_list))) {
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200395 puts("SPL: failed to boot from all boot devices\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400396 hang();
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200397 }
Aneesh V8cf686e2011-07-21 09:10:27 -0400398
Simon Schwarz9ea5c6e2011-09-14 15:33:34 -0400399 switch (spl_image.os) {
Aneesh V8cf686e2011-07-21 09:10:27 -0400400 case IH_OS_U_BOOT:
401 debug("Jumping to U-Boot\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400402 break;
Simon Schwarz379c19a2012-03-15 04:01:38 +0000403#ifdef CONFIG_SPL_OS_BOOT
404 case IH_OS_LINUX:
405 debug("Jumping to Linux\n");
B, Ravi6e7585b2017-04-18 17:27:27 +0530406 spl_fixup_fdt();
Simon Schwarz379c19a2012-03-15 04:01:38 +0000407 spl_board_prepare_for_linux();
Vikas Manocha5bf52502017-04-07 15:38:13 -0700408 jump_to_image_linux(&spl_image);
Simon Schwarz379c19a2012-03-15 04:01:38 +0000409#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400410 default:
Tom Rini42120982012-08-27 14:58:28 -0700411 debug("Unsupported OS image.. Jumping nevertheless..\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400412 }
Simon Glassfb4f5e72014-11-10 17:16:45 -0700413#if defined(CONFIG_SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
414 debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
415 gd->malloc_ptr / 1024);
416#endif
417
Kever Yangbcc17262017-05-05 11:47:45 +0800418 if (IS_ENABLED(CONFIG_SPL_ATF_SUPPORT)) {
419 debug("loaded - jumping to U-Boot via ATF BL31.\n");
420 bl31_entry();
421 }
422
Andrew F. Daviscf947da2017-01-12 10:19:55 -0600423 debug("loaded - jumping to U-Boot...\n");
Michal Simek3a3b9142016-05-10 07:54:20 +0200424 spl_board_prepare_for_boot();
Allen Martina759f1e2012-10-19 21:08:22 +0000425 jump_to_image_no_args(&spl_image);
Aneesh Vbcae7212011-07-21 09:10:21 -0400426}
427
Tom Rini6507f132012-08-22 15:31:05 -0700428/*
429 * This requires UART clocks to be enabled. In order for this to work the
430 * caller must ensure that the gd pointer is valid.
431 */
Aneesh Vbcae7212011-07-21 09:10:21 -0400432void preloader_console_init(void)
433{
Aneesh Vbcae7212011-07-21 09:10:21 -0400434 gd->baudrate = CONFIG_BAUDRATE;
435
Aneesh Vbcae7212011-07-21 09:10:21 -0400436 serial_init(); /* serial communications setup */
437
Ilya Yanokb88befa2011-11-01 13:16:03 +0000438 gd->have_console = 1;
439
Tom Rini026b2fe2012-08-14 12:06:43 -0700440 puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \
441 U_BOOT_TIME ")\n");
Tom Rini861a86f2012-08-13 11:37:56 -0700442#ifdef CONFIG_SPL_DISPLAY_PRINT
443 spl_display_print();
444#endif
Tom Rinicc3f7052011-10-04 04:59:23 +0000445}
Simon Glassdb910352015-03-03 08:03:00 -0700446
447/**
448 * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
449 *
450 * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
451 * for the main board_init_r() execution. This is typically because we need
452 * more stack space for things like the MMC sub-system.
453 *
454 * This function calculates the stack position, copies the global_data into
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100455 * place, sets the new gd (except for ARM, for which setting GD within a C
456 * function may not always work) and returns the new stack position. The
457 * caller is responsible for setting up the sp register and, in the case
458 * of ARM, setting up gd.
459 *
460 * All of this is done using the same layout and alignments as done in
461 * board_init_f_init_reserve() / board_init_f_alloc_reserve().
Simon Glassdb910352015-03-03 08:03:00 -0700462 *
463 * @return new stack location, or 0 to use the same stack
464 */
465ulong spl_relocate_stack_gd(void)
466{
467#ifdef CONFIG_SPL_STACK_R
468 gd_t *new_gd;
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100469 ulong ptr = CONFIG_SPL_STACK_R_ADDR;
Simon Glassdb910352015-03-03 08:03:00 -0700470
Hans de Goededcfcb8d2015-09-13 15:04:17 +0200471#ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE
472 if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
Hans de Goededcfcb8d2015-09-13 15:04:17 +0200473 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
474 gd->malloc_base = ptr;
475 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
476 gd->malloc_ptr = 0;
477 }
478#endif
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100479 /* Get stack position: use 8-byte alignment for ABI compliance */
480 ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
481 new_gd = (gd_t *)ptr;
482 memcpy(new_gd, (void *)gd, sizeof(gd_t));
Simon Glass2f11cd92016-11-13 14:21:58 -0700483#if CONFIG_IS_ENABLED(DM)
484 dm_fixup_for_gd_move(new_gd);
485#endif
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100486#if !defined(CONFIG_ARM)
487 gd = new_gd;
488#endif
Simon Glassdb910352015-03-03 08:03:00 -0700489 return ptr;
490#else
491 return 0;
492#endif
493}