blob: d51dbe9942fc9f3be482ffd8d141d853bcb67d64 [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 Glasse945a722018-11-15 18:43:51 -070010#include <bloblist.h>
Simon Glass8bee2d22017-11-13 18:55:03 -070011#include <binman_sym.h>
Simon Glass11516512014-11-10 17:16:46 -070012#include <dm.h>
Simon Glassb0edea32018-11-15 18:44:09 -070013#include <handoff.h>
Simon Glassc30b7ad2019-11-14 12:57:41 -070014#include <irq_func.h>
Simon Glassb03e0512019-11-14 12:57:24 -070015#include <serial.h>
Tom Rini47f7bca2012-08-13 12:03:19 -070016#include <spl.h>
Aneesh Vbcae7212011-07-21 09:10:21 -040017#include <asm/u-boot.h>
Simon Schwarzbb085b82011-09-14 15:29:26 -040018#include <nand.h>
Aneesh V8cf686e2011-07-21 09:10:27 -040019#include <fat.h>
Simon Glass3db71102019-11-14 12:57:16 -070020#include <u-boot/crc.h>
Simon Glassefb21722011-10-10 08:55:19 +000021#include <version.h>
Aneesh V8cf686e2011-07-21 09:10:27 -040022#include <image.h>
Aneesh V2d01dd92011-10-21 12:29:34 -040023#include <malloc.h>
Simon Glass31f9f0e2019-10-21 17:26:52 -060024#include <mapmem.h>
Simon Glass11516512014-11-10 17:16:46 -070025#include <dm/root.h>
Andreas Müller761ca312012-01-04 15:26:24 +000026#include <linux/compiler.h>
B, Ravi6e7585b2017-04-18 17:27:27 +053027#include <fdt_support.h>
Lukasz Majewskia8be2492018-05-02 16:10:54 +020028#include <bootcount.h>
Stefan Roese06985282019-04-11 15:58:44 +020029#include <wdt.h>
Aneesh Vbcae7212011-07-21 09:10:21 -040030
31DECLARE_GLOBAL_DATA_PTR;
32
Stefan Roese3c6f8a02012-08-28 10:50:59 +020033#ifndef CONFIG_SYS_UBOOT_START
34#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
35#endif
Stefano Babicae83d882012-08-23 12:46:16 +020036#ifndef CONFIG_SYS_MONITOR_LEN
Andreas Bießmanne76caa62014-10-25 02:54:55 +020037/* Unknown U-Boot size, let's assume it will not be more than 200 KB */
Stefano Babicae83d882012-08-23 12:46:16 +020038#define CONFIG_SYS_MONITOR_LEN (200 * 1024)
39#endif
40
Tom Rini47f7bca2012-08-13 12:03:19 -070041u32 *boot_params_ptr = NULL;
Simon Schwarz9ea5c6e2011-09-14 15:33:34 -040042
Simon Glass8bee2d22017-11-13 18:55:03 -070043/* See spl.h for information about this */
Simon Glassdbf6be92018-08-01 15:22:42 -060044binman_sym_declare(ulong, u_boot_any, image_pos);
Simon Glass8bee2d22017-11-13 18:55:03 -070045
Tom Rini6507f132012-08-22 15:31:05 -070046/* Define board data structure */
Aneesh Vbcae7212011-07-21 09:10:21 -040047static bd_t bdata __attribute__ ((section(".data")));
48
Simon Schwarz379c19a2012-03-15 04:01:38 +000049/*
Heiko Schocher496c5482016-06-07 08:31:20 +020050 * Board-specific Platform code can reimplement show_boot_progress () if needed
51 */
52__weak void show_boot_progress(int val) {}
53
Simon Glassb0edea32018-11-15 18:44:09 -070054#if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF)
55/* weak, default platform-specific function to initialize dram banks */
56__weak int dram_init_banksize(void)
57{
58 return 0;
59}
60#endif
61
Heiko Schocher496c5482016-06-07 08:31:20 +020062/*
Simon Schwarz379c19a2012-03-15 04:01:38 +000063 * Default function to determine if u-boot or the OS should
64 * be started. This implementation always returns 1.
65 *
66 * Please implement your own board specific funcion to do this.
67 *
68 * RETURN
69 * 0 to not start u-boot
70 * positive if u-boot should start
71 */
72#ifdef CONFIG_SPL_OS_BOOT
73__weak int spl_start_uboot(void)
74{
Simon Glassd6330062018-11-15 18:43:56 -070075 puts(SPL_TPL_PROMPT
76 "Please implement spl_start_uboot() for your board\n");
77 puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
Simon Schwarz379c19a2012-03-15 04:01:38 +000078 return 1;
79}
Ladislav Michl431889d2016-07-12 20:28:14 +020080
81/*
82 * Weak default function for arch specific zImage check. Return zero
83 * and fill start and end address if image is recognized.
84 */
85int __weak bootz_setup(ulong image, ulong *start, ulong *end)
86{
87 return 1;
88}
Simon Schwarz379c19a2012-03-15 04:01:38 +000089#endif
90
Philipp Tomsichde5dd4c2018-05-24 17:15:50 +020091/* Weak default function for arch/board-specific fixups to the spl_image_info */
92void __weak spl_perform_fixups(struct spl_image_info *spl_image)
93{
94}
95
B, Ravi6e7585b2017-04-18 17:27:27 +053096void spl_fixup_fdt(void)
97{
98#if defined(CONFIG_SPL_OF_LIBFDT) && defined(CONFIG_SYS_SPL_ARGS_ADDR)
99 void *fdt_blob = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
100 int err;
101
102 err = fdt_check_header(fdt_blob);
103 if (err < 0) {
104 printf("fdt_root: %s\n", fdt_strerror(err));
105 return;
106 }
107
108 /* fixup the memory dt node */
109 err = fdt_shrink_to_minimum(fdt_blob, 0);
110 if (err == 0) {
Simon Glassd6330062018-11-15 18:43:56 -0700111 printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
B, Ravi6e7585b2017-04-18 17:27:27 +0530112 return;
113 }
114
115 err = arch_fixup_fdt(fdt_blob);
116 if (err) {
Simon Glassd6330062018-11-15 18:43:56 -0700117 printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
B, Ravi6e7585b2017-04-18 17:27:27 +0530118 return;
119 }
120#endif
121}
122
Stefan Roeseea8256f2012-08-23 08:34:21 +0200123/*
124 * Weak default function for board specific cleanup/preparation before
125 * Linux boot. Some boards/platforms might not need it, so just provide
126 * an empty stub here.
127 */
128__weak void spl_board_prepare_for_linux(void)
129{
130 /* Nothing to do! */
131}
132
Michal Simek3a3b9142016-05-10 07:54:20 +0200133__weak void spl_board_prepare_for_boot(void)
134{
135 /* Nothing to do! */
136}
137
Marek Vasut04ce5422018-08-14 11:27:02 +0200138__weak struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
139{
140 return (struct image_header *)(CONFIG_SYS_TEXT_BASE + offset);
141}
142
Simon Glassd95ceb92016-09-24 18:19:52 -0600143void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
Heiko Schocher0c3117b2014-10-31 08:31:00 +0100144{
Simon Glassdbf6be92018-08-01 15:22:42 -0600145 ulong u_boot_pos = binman_sym(ulong, u_boot_any, image_pos);
Simon Glass8bee2d22017-11-13 18:55:03 -0700146
Simon Glassd95ceb92016-09-24 18:19:52 -0600147 spl_image->size = CONFIG_SYS_MONITOR_LEN;
Miquel Raynal55fe0e22018-02-28 20:51:43 +0100148
149 /*
150 * Binman error cases: address of the end of the previous region or the
151 * start of the image's entry area (usually 0) if there is no previous
152 * region.
153 */
154 if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
155 /* Binman does not support separated entry addresses */
Simon Glass8bee2d22017-11-13 18:55:03 -0700156 spl_image->entry_point = u_boot_pos;
157 spl_image->load_addr = u_boot_pos;
158 } else {
159 spl_image->entry_point = CONFIG_SYS_UBOOT_START;
160 spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
161 }
Simon Glassd95ceb92016-09-24 18:19:52 -0600162 spl_image->os = IH_OS_U_BOOT;
163 spl_image->name = "U-Boot";
Heiko Schocher0c3117b2014-10-31 08:31:00 +0100164}
165
Marek Vasut8a9dc162018-05-13 00:23:17 +0200166#ifdef CONFIG_SPL_LOAD_FIT_FULL
167/* Parse and load full fitImage in SPL */
168static int spl_load_fit_image(struct spl_image_info *spl_image,
169 const struct image_header *header)
170{
171 bootm_headers_t images;
172 const char *fit_uname_config = NULL;
173 const char *fit_uname_fdt = FIT_FDT_PROP;
174 const char *uname;
175 ulong fw_data = 0, dt_data = 0, img_data = 0;
176 ulong fw_len = 0, dt_len = 0, img_len = 0;
177 int idx, conf_noffset;
178 int ret;
179
180#ifdef CONFIG_SPL_FIT_SIGNATURE
181 images.verify = 1;
182#endif
183 ret = fit_image_load(&images, (ulong)header,
184 NULL, &fit_uname_config,
185 IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1,
186 FIT_LOAD_REQUIRED, &fw_data, &fw_len);
187 if (ret < 0)
188 return ret;
189
190 spl_image->size = fw_len;
191 spl_image->entry_point = fw_data;
192 spl_image->load_addr = fw_data;
193 spl_image->os = IH_OS_U_BOOT;
194 spl_image->name = "U-Boot";
195
Simon Glassd6330062018-11-15 18:43:56 -0700196 debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n",
Simon Goldschmidt30c07402018-11-02 21:49:52 +0100197 spl_image->name, spl_image->load_addr, spl_image->size);
Marek Vasut8a9dc162018-05-13 00:23:17 +0200198
199#ifdef CONFIG_SPL_FIT_SIGNATURE
200 images.verify = 1;
201#endif
Marek Vasuta9a82712019-05-07 21:17:02 +0200202 ret = fit_image_load(&images, (ulong)header,
Marek Vasut8a9dc162018-05-13 00:23:17 +0200203 &fit_uname_fdt, &fit_uname_config,
204 IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
205 FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
Marek Vasuta9a82712019-05-07 21:17:02 +0200206 if (ret >= 0)
207 spl_image->fdt_addr = (void *)dt_data;
Marek Vasut8a9dc162018-05-13 00:23:17 +0200208
209 conf_noffset = fit_conf_get_node((const void *)header,
210 fit_uname_config);
211 if (conf_noffset <= 0)
212 return 0;
213
214 for (idx = 0;
215 uname = fdt_stringlist_get((const void *)header, conf_noffset,
216 FIT_LOADABLE_PROP, idx,
217 NULL), uname;
218 idx++)
219 {
220#ifdef CONFIG_SPL_FIT_SIGNATURE
221 images.verify = 1;
222#endif
223 ret = fit_image_load(&images, (ulong)header,
224 &uname, &fit_uname_config,
225 IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1,
226 FIT_LOAD_OPTIONAL_NON_ZERO,
227 &img_data, &img_len);
228 if (ret < 0)
229 return ret;
230 }
231
232 return 0;
233}
234#endif
235
Simon Glass71316c12016-09-24 18:19:53 -0600236int spl_parse_image_header(struct spl_image_info *spl_image,
237 const struct image_header *header)
Aneesh V8cf686e2011-07-21 09:10:27 -0400238{
Marek Vasut8a9dc162018-05-13 00:23:17 +0200239#ifdef CONFIG_SPL_LOAD_FIT_FULL
240 int ret = spl_load_fit_image(spl_image, header);
241
242 if (!ret)
243 return ret;
244#endif
Stefan Roese77552b02012-08-27 12:50:57 +0200245 if (image_get_magic(header) == IH_MAGIC) {
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600246#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
247 u32 header_size = sizeof(struct image_header);
248
Simon Goldschmidtdae5c2d2019-02-10 21:34:37 +0100249#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
250 /* check uImage header CRC */
251 if (!image_check_hcrc(header)) {
252 puts("SPL: Image header CRC check failed!\n");
253 return -EINVAL;
254 }
255#endif
256
Simon Glass71316c12016-09-24 18:19:53 -0600257 if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
Stefan Roese022b4972012-08-27 12:50:58 +0200258 /*
259 * On some system (e.g. powerpc), the load-address and
260 * entry-point is located at address 0. We can't load
261 * to 0-0x40. So skip header in this case.
262 */
Simon Glass71316c12016-09-24 18:19:53 -0600263 spl_image->load_addr = image_get_load(header);
264 spl_image->entry_point = image_get_ep(header);
265 spl_image->size = image_get_data_size(header);
Stefan Roese022b4972012-08-27 12:50:58 +0200266 } else {
Tom Riniedbb8e02019-12-06 09:56:03 -0500267 spl_image->entry_point = image_get_load(header);
Stefan Roese022b4972012-08-27 12:50:58 +0200268 /* Load including the header */
Tom Riniedbb8e02019-12-06 09:56:03 -0500269 spl_image->load_addr = spl_image->entry_point -
Stefan Roese022b4972012-08-27 12:50:58 +0200270 header_size;
Simon Glass71316c12016-09-24 18:19:53 -0600271 spl_image->size = image_get_data_size(header) +
Stefan Roese022b4972012-08-27 12:50:58 +0200272 header_size;
273 }
Simon Goldschmidtdae5c2d2019-02-10 21:34:37 +0100274#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
275 /* store uImage data length and CRC to check later */
276 spl_image->dcrc_data = image_get_load(header);
277 spl_image->dcrc_length = image_get_data_size(header);
278 spl_image->dcrc = image_get_dcrc(header);
279#endif
280
Simon Glass71316c12016-09-24 18:19:53 -0600281 spl_image->os = image_get_os(header);
282 spl_image->name = image_get_name(header);
Simon Glassd6330062018-11-15 18:43:56 -0700283 debug(SPL_TPL_PROMPT
284 "payload image: %32s load addr: 0x%lx size: %d\n",
Simon Goldschmidt30c07402018-11-02 21:49:52 +0100285 spl_image->name, spl_image->load_addr, spl_image->size);
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600286#else
287 /* LEGACY image not supported */
Anatolij Gustschin2d2531b2017-08-01 16:17:12 +0200288 debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
Andrew F. Davis722a6b12017-02-16 11:18:39 -0600289 return -EINVAL;
290#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400291 } else {
Albert ARIBAUD \(3ADEV\)8c80eb32015-03-31 11:40:50 +0200292#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
293 /*
294 * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
295 * code which loads images in SPL cannot guarantee that
296 * absolutely all read errors will be reported.
297 * An example is the LPC32XX MLC NAND driver, which
298 * will consider that a completely unreadable NAND block
299 * is bad, and thus should be skipped silently.
300 */
301 panic("** no mkimage signature but raw image not supported");
Paul Kocialkowski85a37722016-08-24 20:04:42 +0200302#endif
303
Ladislav Michl431889d2016-07-12 20:28:14 +0200304#ifdef CONFIG_SPL_OS_BOOT
305 ulong start, end;
306
307 if (!bootz_setup((ulong)header, &start, &end)) {
Simon Glass71316c12016-09-24 18:19:53 -0600308 spl_image->name = "Linux";
309 spl_image->os = IH_OS_LINUX;
310 spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
311 spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
312 spl_image->size = end - start;
Simon Glassd6330062018-11-15 18:43:56 -0700313 debug(SPL_TPL_PROMPT
314 "payload zImage, load addr: 0x%lx size: %d\n",
Simon Glass71316c12016-09-24 18:19:53 -0600315 spl_image->load_addr, spl_image->size);
Ladislav Michl431889d2016-07-12 20:28:14 +0200316 return 0;
317 }
318#endif
Paul Kocialkowski85a37722016-08-24 20:04:42 +0200319
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600320#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
Aneesh V8cf686e2011-07-21 09:10:27 -0400321 /* Signature not found - assume u-boot.bin */
Tom Rini026b2fe2012-08-14 12:06:43 -0700322 debug("mkimage signature not found - ih_magic = %x\n",
Aneesh V8cf686e2011-07-21 09:10:27 -0400323 header->ih_magic);
Simon Glass71316c12016-09-24 18:19:53 -0600324 spl_set_header_raw_uboot(spl_image);
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600325#else
326 /* RAW image not supported, proceed to other boot methods. */
Anatolij Gustschin2d2531b2017-08-01 16:17:12 +0200327 debug("Raw boot image support not enabled, proceeding to other boot methods\n");
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600328 return -EINVAL;
Albert ARIBAUD \(3ADEV\)8c80eb32015-03-31 11:40:50 +0200329#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400330 }
Andrew F. Davis24eb39b2017-02-16 11:18:38 -0600331
Marek Vasut7e0f2262016-04-29 00:44:54 +0200332 return 0;
Aneesh V8cf686e2011-07-21 09:10:27 -0400333}
334
Allen Martina759f1e2012-10-19 21:08:22 +0000335__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
Aneesh V8cf686e2011-07-21 09:10:27 -0400336{
SRICHARAN R4a0eb752013-04-24 00:41:24 +0000337 typedef void __noreturn (*image_entry_noargs_t)(void);
338
Aneesh V8cf686e2011-07-21 09:10:27 -0400339 image_entry_noargs_t image_entry =
Andre Przywara11e14792017-01-02 11:48:31 +0000340 (image_entry_noargs_t)spl_image->entry_point;
Aneesh V8cf686e2011-07-21 09:10:27 -0400341
Simon Goldschmidt30c07402018-11-02 21:49:52 +0100342 debug("image entry point: 0x%lx\n", spl_image->entry_point);
SRICHARAN R4a0eb752013-04-24 00:41:24 +0000343 image_entry();
Aneesh V8cf686e2011-07-21 09:10:27 -0400344}
345
Simon Glassb0edea32018-11-15 18:44:09 -0700346#if CONFIG_IS_ENABLED(HANDOFF)
347/**
348 * Set up the SPL hand-off information
349 *
350 * This is initially empty (zero) but can be written by
351 */
352static int setup_spl_handoff(void)
353{
354 struct spl_handoff *ho;
355
356 ho = bloblist_ensure(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
357 if (!ho)
358 return -ENOENT;
359
360 return 0;
361}
362
Simon Glass366291a2019-09-25 08:11:18 -0600363__weak int handoff_arch_save(struct spl_handoff *ho)
364{
365 return 0;
366}
367
Simon Glassb0edea32018-11-15 18:44:09 -0700368static int write_spl_handoff(void)
369{
370 struct spl_handoff *ho;
Simon Glass366291a2019-09-25 08:11:18 -0600371 int ret;
Simon Glassb0edea32018-11-15 18:44:09 -0700372
373 ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
374 if (!ho)
375 return -ENOENT;
376 handoff_save_dram(ho);
Simon Glass366291a2019-09-25 08:11:18 -0600377 ret = handoff_arch_save(ho);
378 if (ret)
379 return ret;
Simon Glassb0edea32018-11-15 18:44:09 -0700380 debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
381
382 return 0;
383}
384#else
385static inline int setup_spl_handoff(void) { return 0; }
386static inline int write_spl_handoff(void) { return 0; }
387
388#endif /* HANDOFF */
389
Eddie Cai340f4182017-03-15 08:43:28 -0600390static int spl_common_init(bool setup_malloc)
Aneesh Vbcae7212011-07-21 09:10:21 -0400391{
Simon Glassf3d46bd2015-02-27 22:06:42 -0700392 int ret;
393
Andy Yanf1896c42017-07-24 17:43:34 +0800394#if CONFIG_VAL(SYS_MALLOC_F_LEN)
Eddie Cai340f4182017-03-15 08:43:28 -0600395 if (setup_malloc) {
Marek Vasut94b9e222016-05-25 02:14:56 +0200396#ifdef CONFIG_MALLOC_F_ADDR
Eddie Cai340f4182017-03-15 08:43:28 -0600397 gd->malloc_base = CONFIG_MALLOC_F_ADDR;
Marek Vasut94b9e222016-05-25 02:14:56 +0200398#endif
Andy Yanf1896c42017-07-24 17:43:34 +0800399 gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
Eddie Cai340f4182017-03-15 08:43:28 -0600400 gd->malloc_ptr = 0;
401 }
Tom Rini24dafad2012-08-13 14:13:07 -0700402#endif
Simon Glass31f9f0e2019-10-21 17:26:52 -0600403 ret = bootstage_init(u_boot_first_phase());
Simon Glass824bb1b2017-05-22 05:05:35 -0600404 if (ret) {
405 debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
406 ret);
407 return ret;
408 }
Simon Glass31f9f0e2019-10-21 17:26:52 -0600409#ifdef CONFIG_BOOTSTAGE_STASH
410 if (!u_boot_first_phase()) {
411 const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
412 CONFIG_BOOTSTAGE_STASH_SIZE);
413
414 ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
415 if (ret)
416 debug("%s: Failed to unstash bootstage: ret=%d\n",
417 __func__, ret);
418 }
419#endif /* CONFIG_BOOTSTAGE_STASH */
Simon Glass5256bee2019-10-21 17:26:51 -0600420 bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_START_TPL :
421 BOOTSTAGE_ID_START_SPL, SPL_TPL_NAME);
Simon Glass4d8d3052018-11-15 18:43:49 -0700422#if CONFIG_IS_ENABLED(LOG)
423 ret = log_init();
424 if (ret) {
425 debug("%s: Failed to set up logging\n", __func__);
426 return ret;
427 }
428#endif
Simon Glassd223e0a2016-07-04 11:57:56 -0600429 if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
Simon Glassf3d46bd2015-02-27 22:06:42 -0700430 ret = fdtdec_setup();
431 if (ret) {
432 debug("fdtdec_setup() returned error %d\n", ret);
Simon Glass070d00b2015-06-23 15:39:10 -0600433 return ret;
Simon Glassf3d46bd2015-02-27 22:06:42 -0700434 }
435 }
Philipp Tomsichf1c6e192017-06-30 19:02:53 +0200436 if (CONFIG_IS_ENABLED(DM)) {
Simon Glass5256bee2019-10-21 17:26:51 -0600437 bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL,
438 spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
Tom Rini7f73ca42017-01-14 12:20:23 -0500439 /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
Simon Glass7d23b9c2016-07-04 11:58:14 -0600440 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
Simon Glass824bb1b2017-05-22 05:05:35 -0600441 bootstage_accum(BOOTSTATE_ID_ACCUM_DM_SPL);
Simon Glassf3d46bd2015-02-27 22:06:42 -0700442 if (ret) {
443 debug("dm_init_and_scan() returned error %d\n", ret);
Simon Glass070d00b2015-06-23 15:39:10 -0600444 return ret;
Simon Glassf3d46bd2015-02-27 22:06:42 -0700445 }
446 }
Eddie Cai340f4182017-03-15 08:43:28 -0600447
448 return 0;
449}
450
York Sund1fc0a32017-09-28 08:42:10 -0700451void spl_set_bd(void)
452{
Simon Glassc21f4072018-11-15 18:43:58 -0700453 /*
454 * NOTE: On some platforms (e.g. x86) bdata may be in flash and not
455 * writeable.
456 */
York Sund1fc0a32017-09-28 08:42:10 -0700457 if (!gd->bd)
458 gd->bd = &bdata;
459}
460
Eddie Cai340f4182017-03-15 08:43:28 -0600461int spl_early_init(void)
462{
463 int ret;
464
Simon Goldschmidt94cb9862018-08-13 11:24:05 +0200465 debug("%s\n", __func__);
466
Eddie Cai340f4182017-03-15 08:43:28 -0600467 ret = spl_common_init(true);
468 if (ret)
469 return ret;
470 gd->flags |= GD_FLG_SPL_EARLY_INIT;
471
472 return 0;
473}
474
475int spl_init(void)
476{
477 int ret;
Tom Rinicf334ed2017-03-20 14:19:27 -0400478 bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
479 IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
Eddie Cai340f4182017-03-15 08:43:28 -0600480
Simon Goldschmidt94cb9862018-08-13 11:24:05 +0200481 debug("%s\n", __func__);
482
Eddie Cai340f4182017-03-15 08:43:28 -0600483 if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
Tom Rinicf334ed2017-03-20 14:19:27 -0400484 ret = spl_common_init(setup_malloc);
Eddie Cai340f4182017-03-15 08:43:28 -0600485 if (ret)
486 return ret;
487 }
Simon Glass070d00b2015-06-23 15:39:10 -0600488 gd->flags |= GD_FLG_SPL_INIT;
Aneesh V2d01dd92011-10-21 12:29:34 -0400489
Simon Glass070d00b2015-06-23 15:39:10 -0600490 return 0;
491}
492
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200493#ifndef BOOT_DEVICE_NONE
494#define BOOT_DEVICE_NONE 0xdeadbeef
495#endif
496
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200497__weak void board_boot_order(u32 *spl_boot_list)
498{
499 spl_boot_list[0] = spl_boot_device();
500}
501
Simon Glassa0a80292016-09-24 18:19:58 -0600502static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
503{
504 struct spl_image_loader *drv =
505 ll_entry_start(struct spl_image_loader, spl_image_loader);
506 const int n_ents =
507 ll_entry_count(struct spl_image_loader, spl_image_loader);
508 struct spl_image_loader *entry;
509
510 for (entry = drv; entry != drv + n_ents; entry++) {
511 if (boot_device == entry->boot_device)
512 return entry;
513 }
514
515 /* Not found */
516 return NULL;
517}
518
Simon Glass29d357d2016-11-30 15:30:52 -0700519static int spl_load_image(struct spl_image_info *spl_image,
520 struct spl_image_loader *loader)
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200521{
Simon Goldschmidtdae5c2d2019-02-10 21:34:37 +0100522 int ret;
Simon Glassecdfd692016-09-24 18:19:57 -0600523 struct spl_boot_device bootdev;
524
Simon Glass29d357d2016-11-30 15:30:52 -0700525 bootdev.boot_device = loader->boot_device;
Simon Glassecdfd692016-09-24 18:19:57 -0600526 bootdev.boot_device_name = NULL;
527
Simon Goldschmidtdae5c2d2019-02-10 21:34:37 +0100528 ret = loader->load_image(spl_image, &bootdev);
529#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
530 if (!ret && spl_image->dcrc_length) {
531 /* check data crc */
532 ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
533 spl_image->dcrc_length, CHUNKSZ_CRC32);
534 if (dcrc != spl_image->dcrc) {
535 puts("SPL: Image data CRC check failed!\n");
536 ret = -EINVAL;
537 }
538 }
539#endif
540 return ret;
Simon Glass540bfe72016-11-30 15:30:51 -0700541}
542
543/**
Miquel Raynalfd4ee982019-05-07 14:18:43 +0200544 * boot_from_devices() - Try loading a booting U-Boot from a list of devices
Simon Glass540bfe72016-11-30 15:30:51 -0700545 *
546 * @spl_image: Place to put the image details if successful
547 * @spl_boot_list: List of boot devices to try
548 * @count: Number of elements in spl_boot_list
549 * @return 0 if OK, -ve on error
550 */
551static int boot_from_devices(struct spl_image_info *spl_image,
552 u32 spl_boot_list[], int count)
553{
554 int i;
555
556 for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
557 struct spl_image_loader *loader;
558
Simon Glass540bfe72016-11-30 15:30:51 -0700559 loader = spl_ll_find_loader(spl_boot_list[i]);
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200560#if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
Simon Glass2acf35d2016-11-30 15:30:53 -0700561 if (loader)
Andrew F. Daviscf947da2017-01-12 10:19:55 -0600562 printf("Trying to boot from %s\n", loader->name);
Simon Glass2acf35d2016-11-30 15:30:53 -0700563 else
Simon Glassd6330062018-11-15 18:43:56 -0700564 puts(SPL_TPL_PROMPT "Unsupported Boot Device!\n");
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200565#endif
Philipp Tomsichde5dd4c2018-05-24 17:15:50 +0200566 if (loader && !spl_load_image(spl_image, loader)) {
567 spl_image->boot_device = spl_boot_list[i];
Simon Glass540bfe72016-11-30 15:30:51 -0700568 return 0;
Philipp Tomsichde5dd4c2018-05-24 17:15:50 +0200569 }
Simon Glass540bfe72016-11-30 15:30:51 -0700570 }
571
Simon Glass97d9df02016-09-24 18:20:12 -0600572 return -ENODEV;
Nikita Kiryanov5211b872015-11-08 17:11:50 +0200573}
574
Philippe Reynesa9a3aad2019-09-19 16:18:39 +0200575#if defined(CONFIG_SPL_FRAMEWORK_BOARD_INIT_F)
576void board_init_f(ulong dummy)
577{
578 if (CONFIG_IS_ENABLED(OF_CONTROL)) {
579 int ret;
580
581 ret = spl_early_init();
582 if (ret) {
583 debug("spl_early_init() failed: %d\n", ret);
584 hang();
585 }
586 }
587
588 if (CONFIG_IS_ENABLED(SERIAL_SUPPORT))
589 preloader_console_init();
590}
591#endif
592
Simon Glass070d00b2015-06-23 15:39:10 -0600593void board_init_r(gd_t *dummy1, ulong dummy2)
594{
Simon Glassd32b2d12016-09-24 18:20:17 -0600595 u32 spl_boot_list[] = {
596 BOOT_DEVICE_NONE,
597 BOOT_DEVICE_NONE,
598 BOOT_DEVICE_NONE,
599 BOOT_DEVICE_NONE,
600 BOOT_DEVICE_NONE,
601 };
602 struct spl_image_info spl_image;
Simon Glasse945a722018-11-15 18:43:51 -0700603 int ret;
Simon Glass070d00b2015-06-23 15:39:10 -0600604
Simon Glassd6330062018-11-15 18:43:56 -0700605 debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
York Sund1fc0a32017-09-28 08:42:10 -0700606
607 spl_set_bd();
608
Simon Glass070d00b2015-06-23 15:39:10 -0600609#if defined(CONFIG_SYS_SPL_MALLOC_START)
610 mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
611 CONFIG_SYS_SPL_MALLOC_SIZE);
612 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
613#endif
614 if (!(gd->flags & GD_FLG_SPL_INIT)) {
615 if (spl_init())
616 hang();
617 }
Anatolij Gustschinf9d42d82017-08-28 17:46:33 +0200618#if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
Stefan Roeseea8256f2012-08-23 08:34:21 +0200619 /*
620 * timer_init() does not exist on PPC systems. The timer is initialized
621 * and enabled (decrementer) in interrupt_init() here.
622 */
Ilya Yanok4063c772012-09-17 10:26:26 +0000623 timer_init();
Stefan Roeseea8256f2012-08-23 08:34:21 +0200624#endif
Simon Glass3cd71982019-09-25 08:11:19 -0600625 if (CONFIG_IS_ENABLED(BLOBLIST)) {
626 ret = bloblist_init();
627 if (ret) {
628 debug("%s: Failed to set up bloblist: ret=%d\n",
629 __func__, ret);
630 puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
631 hang();
632 }
633 }
634 if (CONFIG_IS_ENABLED(HANDOFF)) {
635 int ret;
636
637 ret = setup_spl_handoff();
638 if (ret) {
639 puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
640 hang();
641 }
642 }
Ilya Yanok4063c772012-09-17 10:26:26 +0000643
Kever Yangaf2f4422018-01-20 18:00:26 +0800644#if CONFIG_IS_ENABLED(BOARD_INIT)
Tom Riniee08a822011-11-23 05:13:06 +0000645 spl_board_init();
646#endif
647
Marek Vasut6874cb72019-06-09 03:46:21 +0200648#if defined(CONFIG_SPL_WATCHDOG_SUPPORT) && CONFIG_IS_ENABLED(WDT)
Stefan Roese06985282019-04-11 15:58:44 +0200649 initr_watchdog();
650#endif
651
Simon Glassb0edea32018-11-15 18:44:09 -0700652 if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF))
653 dram_init_banksize();
654
Lukasz Majewskia8be2492018-05-02 16:10:54 +0200655 bootcount_inc();
656
Simon Glassd32b2d12016-09-24 18:20:17 -0600657 memset(&spl_image, '\0', sizeof(spl_image));
Vikas Manocha5bf52502017-04-07 15:38:13 -0700658#ifdef CONFIG_SYS_SPL_ARGS_ADDR
659 spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
660#endif
Philipp Tomsichde5dd4c2018-05-24 17:15:50 +0200661 spl_image.boot_device = BOOT_DEVICE_NONE;
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200662 board_boot_order(spl_boot_list);
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200663
Simon Glass540bfe72016-11-30 15:30:51 -0700664 if (boot_from_devices(&spl_image, spl_boot_list,
665 ARRAY_SIZE(spl_boot_list))) {
Simon Glassd6330062018-11-15 18:43:56 -0700666 puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400667 hang();
Nikita Kiryanovf101e4b2015-11-08 17:11:51 +0200668 }
Aneesh V8cf686e2011-07-21 09:10:27 -0400669
Philipp Tomsichde5dd4c2018-05-24 17:15:50 +0200670 spl_perform_fixups(&spl_image);
Simon Glassb0edea32018-11-15 18:44:09 -0700671 if (CONFIG_IS_ENABLED(HANDOFF)) {
672 ret = write_spl_handoff();
673 if (ret)
674 printf(SPL_TPL_PROMPT
675 "SPL hand-off write failed (err=%d)\n", ret);
676 }
Simon Glasse945a722018-11-15 18:43:51 -0700677 if (CONFIG_IS_ENABLED(BLOBLIST)) {
678 ret = bloblist_finish();
679 if (ret)
680 printf("Warning: Failed to finish bloblist (ret=%d)\n",
681 ret);
682 }
Philipp Tomsichde5dd4c2018-05-24 17:15:50 +0200683
Vikas Manocha6bcdd662017-05-28 12:55:08 -0700684#ifdef CONFIG_CPU_V7M
685 spl_image.entry_point |= 0x1;
686#endif
Simon Schwarz9ea5c6e2011-09-14 15:33:34 -0400687 switch (spl_image.os) {
Aneesh V8cf686e2011-07-21 09:10:27 -0400688 case IH_OS_U_BOOT:
689 debug("Jumping to U-Boot\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400690 break;
Philipp Tomsich1d379092017-09-13 21:29:35 +0200691#if CONFIG_IS_ENABLED(ATF)
692 case IH_OS_ARM_TRUSTED_FIRMWARE:
693 debug("Jumping to U-Boot via ARM Trusted Firmware\n");
694 spl_invoke_atf(&spl_image);
695 break;
696#endif
Kever Yang70fe2872018-08-23 17:17:59 +0800697#if CONFIG_IS_ENABLED(OPTEE)
698 case IH_OS_TEE:
699 debug("Jumping to U-Boot via OP-TEE\n");
700 spl_optee_entry(NULL, NULL, spl_image.fdt_addr,
701 (void *)spl_image.entry_point);
702 break;
703#endif
Lukas Auer5e30e452019-08-21 21:14:44 +0200704#if CONFIG_IS_ENABLED(OPENSBI)
705 case IH_OS_OPENSBI:
706 debug("Jumping to U-Boot via RISC-V OpenSBI\n");
707 spl_invoke_opensbi(&spl_image);
708 break;
709#endif
Simon Schwarz379c19a2012-03-15 04:01:38 +0000710#ifdef CONFIG_SPL_OS_BOOT
711 case IH_OS_LINUX:
712 debug("Jumping to Linux\n");
B, Ravi6e7585b2017-04-18 17:27:27 +0530713 spl_fixup_fdt();
Simon Schwarz379c19a2012-03-15 04:01:38 +0000714 spl_board_prepare_for_linux();
Vikas Manocha5bf52502017-04-07 15:38:13 -0700715 jump_to_image_linux(&spl_image);
Simon Schwarz379c19a2012-03-15 04:01:38 +0000716#endif
Aneesh V8cf686e2011-07-21 09:10:27 -0400717 default:
Tom Rini42120982012-08-27 14:58:28 -0700718 debug("Unsupported OS image.. Jumping nevertheless..\n");
Aneesh V8cf686e2011-07-21 09:10:27 -0400719 }
Andy Yanf1896c42017-07-24 17:43:34 +0800720#if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
Simon Goldschmidt30c07402018-11-02 21:49:52 +0100721 debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
Simon Glassfb4f5e72014-11-10 17:16:45 -0700722 gd->malloc_ptr / 1024);
723#endif
Simon Glass5256bee2019-10-21 17:26:51 -0600724 bootstage_mark_name(spl_phase() == PHASE_TPL ? BOOTSTAGE_ID_END_TPL :
725 BOOTSTAGE_ID_END_SPL, "end " SPL_TPL_NAME);
Simon Glass824bb1b2017-05-22 05:05:35 -0600726#ifdef CONFIG_BOOTSTAGE_STASH
Simon Glass824bb1b2017-05-22 05:05:35 -0600727 ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
728 CONFIG_BOOTSTAGE_STASH_SIZE);
729 if (ret)
730 debug("Failed to stash bootstage: err=%d\n", ret);
731#endif
Kever Yanga8c51122017-09-13 18:24:24 +0800732
Kever Yanga8c51122017-09-13 18:24:24 +0800733 debug("loaded - jumping to U-Boot...\n");
Michal Simek3a3b9142016-05-10 07:54:20 +0200734 spl_board_prepare_for_boot();
Allen Martina759f1e2012-10-19 21:08:22 +0000735 jump_to_image_no_args(&spl_image);
Aneesh Vbcae7212011-07-21 09:10:21 -0400736}
737
Alex Kiernan117a0e02018-04-19 04:32:51 +0000738#ifdef CONFIG_SPL_SERIAL_SUPPORT
Tom Rini6507f132012-08-22 15:31:05 -0700739/*
740 * This requires UART clocks to be enabled. In order for this to work the
741 * caller must ensure that the gd pointer is valid.
742 */
Aneesh Vbcae7212011-07-21 09:10:21 -0400743void preloader_console_init(void)
744{
Aneesh Vbcae7212011-07-21 09:10:21 -0400745 gd->baudrate = CONFIG_BAUDRATE;
746
Aneesh Vbcae7212011-07-21 09:10:21 -0400747 serial_init(); /* serial communications setup */
748
Ilya Yanokb88befa2011-11-01 13:16:03 +0000749 gd->have_console = 1;
750
Simon Glassaedc08b2018-11-15 18:43:57 -0700751#if CONFIG_IS_ENABLED(BANNER_PRINT)
Simon Glassd6330062018-11-15 18:43:56 -0700752 puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
753 U_BOOT_TIME " " U_BOOT_TZ ")\n");
Anatolij Gustschin0292bc02018-01-25 18:45:22 +0100754#endif
Tom Rini861a86f2012-08-13 11:37:56 -0700755#ifdef CONFIG_SPL_DISPLAY_PRINT
756 spl_display_print();
757#endif
Tom Rinicc3f7052011-10-04 04:59:23 +0000758}
Alex Kiernan117a0e02018-04-19 04:32:51 +0000759#endif
Simon Glassdb910352015-03-03 08:03:00 -0700760
761/**
Simon Goldschmidtd8c03322019-07-16 22:30:36 +0200762 * This function is called before the stack is changed from initial stack to
763 * relocated stack. It tries to dump the stack size used
764 */
765__weak void spl_relocate_stack_check(void)
766{
767#if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
768 ulong init_sp = gd->start_addr_sp;
769 ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
770 u8 *ptr = (u8 *)stack_bottom;
771 ulong i;
772
773 for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
774 if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
775 break;
776 ptr++;
777 }
778 printf("SPL initial stack usage: %lu bytes\n",
779 CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
780#endif
781}
782
783/**
Simon Glassdb910352015-03-03 08:03:00 -0700784 * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
785 *
786 * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
787 * for the main board_init_r() execution. This is typically because we need
788 * more stack space for things like the MMC sub-system.
789 *
790 * This function calculates the stack position, copies the global_data into
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100791 * place, sets the new gd (except for ARM, for which setting GD within a C
792 * function may not always work) and returns the new stack position. The
793 * caller is responsible for setting up the sp register and, in the case
794 * of ARM, setting up gd.
795 *
796 * All of this is done using the same layout and alignments as done in
797 * board_init_f_init_reserve() / board_init_f_alloc_reserve().
Simon Glassdb910352015-03-03 08:03:00 -0700798 *
799 * @return new stack location, or 0 to use the same stack
800 */
801ulong spl_relocate_stack_gd(void)
802{
803#ifdef CONFIG_SPL_STACK_R
804 gd_t *new_gd;
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100805 ulong ptr = CONFIG_SPL_STACK_R_ADDR;
Simon Glassdb910352015-03-03 08:03:00 -0700806
Simon Goldschmidtd8c03322019-07-16 22:30:36 +0200807 if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
808 spl_relocate_stack_check();
809
Philipp Tomsichae2cee22017-07-28 11:06:03 +0200810#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
Hans de Goededcfcb8d2015-09-13 15:04:17 +0200811 if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
Simon Goldschmidt438dcab2019-02-26 22:27:52 +0100812 debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n",
813 gd->malloc_ptr, gd->malloc_ptr / 1024);
Hans de Goededcfcb8d2015-09-13 15:04:17 +0200814 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
815 gd->malloc_base = ptr;
816 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
817 gd->malloc_ptr = 0;
818 }
819#endif
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100820 /* Get stack position: use 8-byte alignment for ABI compliance */
821 ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
822 new_gd = (gd_t *)ptr;
823 memcpy(new_gd, (void *)gd, sizeof(gd_t));
Simon Glass2f11cd92016-11-13 14:21:58 -0700824#if CONFIG_IS_ENABLED(DM)
825 dm_fixup_for_gd_move(new_gd);
826#endif
Lukas Auerc7e1eff2019-08-21 21:14:46 +0200827#if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
Albert ARIBAUDadc421e2015-11-25 17:56:33 +0100828 gd = new_gd;
829#endif
Simon Glassdb910352015-03-03 08:03:00 -0700830 return ptr;
831#else
832 return 0;
833#endif
834}
Simon Glassc6604442019-11-14 12:57:17 -0700835
836#if defined(CONFIG_BOOTCOUNT_LIMIT) && !defined(CONFIG_SPL_BOOTCOUNT_LIMIT)
837void bootcount_store(ulong a)
838{
839}
840
841ulong bootcount_load(void)
842{
843 return 0;
844}
845#endif