Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010 |
| 3 | * Texas Instruments, <www.ti.com> |
| 4 | * |
| 5 | * Aneesh V <aneesh@ti.com> |
| 6 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 7 | * SPDX-License-Identifier: GPL-2.0+ |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 8 | */ |
| 9 | #include <common.h> |
Simon Glass | 1151651 | 2014-11-10 17:16:46 -0700 | [diff] [blame] | 10 | #include <dm.h> |
Tom Rini | 47f7bca | 2012-08-13 12:03:19 -0700 | [diff] [blame] | 11 | #include <spl.h> |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 12 | #include <asm/u-boot.h> |
Simon Schwarz | bb085b8 | 2011-09-14 15:29:26 -0400 | [diff] [blame] | 13 | #include <nand.h> |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 14 | #include <fat.h> |
Simon Glass | efb2172 | 2011-10-10 08:55:19 +0000 | [diff] [blame] | 15 | #include <version.h> |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 16 | #include <image.h> |
Aneesh V | 2d01dd9 | 2011-10-21 12:29:34 -0400 | [diff] [blame] | 17 | #include <malloc.h> |
Simon Glass | 1151651 | 2014-11-10 17:16:46 -0700 | [diff] [blame] | 18 | #include <dm/root.h> |
Andreas Müller | 761ca31 | 2012-01-04 15:26:24 +0000 | [diff] [blame] | 19 | #include <linux/compiler.h> |
B, Ravi | 6e7585b | 2017-04-18 17:27:27 +0530 | [diff] [blame] | 20 | #include <fdt_support.h> |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 21 | |
| 22 | DECLARE_GLOBAL_DATA_PTR; |
| 23 | |
Stefan Roese | 3c6f8a0 | 2012-08-28 10:50:59 +0200 | [diff] [blame] | 24 | #ifndef CONFIG_SYS_UBOOT_START |
| 25 | #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE |
| 26 | #endif |
Stefano Babic | ae83d88 | 2012-08-23 12:46:16 +0200 | [diff] [blame] | 27 | #ifndef CONFIG_SYS_MONITOR_LEN |
Andreas Bießmann | e76caa6 | 2014-10-25 02:54:55 +0200 | [diff] [blame] | 28 | /* Unknown U-Boot size, let's assume it will not be more than 200 KB */ |
Stefano Babic | ae83d88 | 2012-08-23 12:46:16 +0200 | [diff] [blame] | 29 | #define CONFIG_SYS_MONITOR_LEN (200 * 1024) |
| 30 | #endif |
| 31 | |
Tom Rini | 47f7bca | 2012-08-13 12:03:19 -0700 | [diff] [blame] | 32 | u32 *boot_params_ptr = NULL; |
Simon Schwarz | 9ea5c6e | 2011-09-14 15:33:34 -0400 | [diff] [blame] | 33 | |
Tom Rini | 6507f13 | 2012-08-22 15:31:05 -0700 | [diff] [blame] | 34 | /* Define board data structure */ |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 35 | static bd_t bdata __attribute__ ((section(".data"))); |
| 36 | |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 37 | /* |
Heiko Schocher | 496c548 | 2016-06-07 08:31:20 +0200 | [diff] [blame] | 38 | * Board-specific Platform code can reimplement show_boot_progress () if needed |
| 39 | */ |
| 40 | __weak void show_boot_progress(int val) {} |
| 41 | |
| 42 | /* |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 43 | * 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 Rini | 026b2fe | 2012-08-14 12:06:43 -0700 | [diff] [blame] | 55 | puts("SPL: Please implement spl_start_uboot() for your board\n"); |
| 56 | puts("SPL: Direct Linux boot not active!\n"); |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 57 | return 1; |
| 58 | } |
Ladislav Michl | 431889d | 2016-07-12 20:28:14 +0200 | [diff] [blame] | 59 | |
B, Ravi | 6e7585b | 2017-04-18 17:27:27 +0530 | [diff] [blame] | 60 | /* 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 Michl | 431889d | 2016-07-12 20:28:14 +0200 | [diff] [blame] | 68 | /* |
| 69 | * Weak default function for arch specific zImage check. Return zero |
| 70 | * and fill start and end address if image is recognized. |
| 71 | */ |
| 72 | int __weak bootz_setup(ulong image, ulong *start, ulong *end) |
| 73 | { |
| 74 | return 1; |
| 75 | } |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 76 | #endif |
| 77 | |
B, Ravi | 6e7585b | 2017-04-18 17:27:27 +0530 | [diff] [blame] | 78 | void 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 Roese | ea8256f | 2012-08-23 08:34:21 +0200 | [diff] [blame] | 105 | /* |
| 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 Simek | 3a3b914 | 2016-05-10 07:54:20 +0200 | [diff] [blame] | 115 | __weak void spl_board_prepare_for_boot(void) |
| 116 | { |
| 117 | /* Nothing to do! */ |
| 118 | } |
| 119 | |
Simon Glass | d95ceb9 | 2016-09-24 18:19:52 -0600 | [diff] [blame] | 120 | void spl_set_header_raw_uboot(struct spl_image_info *spl_image) |
Heiko Schocher | 0c3117b | 2014-10-31 08:31:00 +0100 | [diff] [blame] | 121 | { |
Simon Glass | d95ceb9 | 2016-09-24 18:19:52 -0600 | [diff] [blame] | 122 | spl_image->size = CONFIG_SYS_MONITOR_LEN; |
| 123 | spl_image->entry_point = CONFIG_SYS_UBOOT_START; |
Vikas Manocha | 634fcf0 | 2017-03-31 16:34:39 -0700 | [diff] [blame] | 124 | #ifdef CONFIG_CPU_V7M |
| 125 | spl_image->entry_point |= 0x1; |
| 126 | #endif |
Simon Glass | d95ceb9 | 2016-09-24 18:19:52 -0600 | [diff] [blame] | 127 | spl_image->load_addr = CONFIG_SYS_TEXT_BASE; |
| 128 | spl_image->os = IH_OS_U_BOOT; |
| 129 | spl_image->name = "U-Boot"; |
Heiko Schocher | 0c3117b | 2014-10-31 08:31:00 +0100 | [diff] [blame] | 130 | } |
| 131 | |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 132 | int spl_parse_image_header(struct spl_image_info *spl_image, |
| 133 | const struct image_header *header) |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 134 | { |
Stefan Roese | 77552b0 | 2012-08-27 12:50:57 +0200 | [diff] [blame] | 135 | if (image_get_magic(header) == IH_MAGIC) { |
Andrew F. Davis | 722a6b1 | 2017-02-16 11:18:39 -0600 | [diff] [blame] | 136 | #ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT |
| 137 | u32 header_size = sizeof(struct image_header); |
| 138 | |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 139 | if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) { |
Stefan Roese | 022b497 | 2012-08-27 12:50:58 +0200 | [diff] [blame] | 140 | /* |
| 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 Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 145 | 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 Roese | 022b497 | 2012-08-27 12:50:58 +0200 | [diff] [blame] | 148 | } else { |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 149 | spl_image->entry_point = image_get_load(header); |
Stefan Roese | 022b497 | 2012-08-27 12:50:58 +0200 | [diff] [blame] | 150 | /* Load including the header */ |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 151 | spl_image->load_addr = spl_image->entry_point - |
Stefan Roese | 022b497 | 2012-08-27 12:50:58 +0200 | [diff] [blame] | 152 | header_size; |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 153 | spl_image->size = image_get_data_size(header) + |
Stefan Roese | 022b497 | 2012-08-27 12:50:58 +0200 | [diff] [blame] | 154 | header_size; |
| 155 | } |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 156 | spl_image->os = image_get_os(header); |
| 157 | spl_image->name = image_get_name(header); |
Andre Przywara | 11e1479 | 2017-01-02 11:48:31 +0000 | [diff] [blame] | 158 | debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n", |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 159 | (int)sizeof(spl_image->name), spl_image->name, |
| 160 | spl_image->load_addr, spl_image->size); |
Andrew F. Davis | 722a6b1 | 2017-02-16 11:18:39 -0600 | [diff] [blame] | 161 | #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 V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 166 | } else { |
Albert ARIBAUD \(3ADEV\) | 8c80eb3 | 2015-03-31 11:40:50 +0200 | [diff] [blame] | 167 | #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 Kocialkowski | 85a3772 | 2016-08-24 20:04:42 +0200 | [diff] [blame] | 177 | #endif |
| 178 | |
Ladislav Michl | 431889d | 2016-07-12 20:28:14 +0200 | [diff] [blame] | 179 | #ifdef CONFIG_SPL_OS_BOOT |
| 180 | ulong start, end; |
| 181 | |
| 182 | if (!bootz_setup((ulong)header, &start, &end)) { |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 183 | 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 Przywara | 11e1479 | 2017-01-02 11:48:31 +0000 | [diff] [blame] | 188 | debug("spl: payload zImage, load addr: 0x%lx size: %d\n", |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 189 | spl_image->load_addr, spl_image->size); |
Ladislav Michl | 431889d | 2016-07-12 20:28:14 +0200 | [diff] [blame] | 190 | return 0; |
| 191 | } |
| 192 | #endif |
Paul Kocialkowski | 85a3772 | 2016-08-24 20:04:42 +0200 | [diff] [blame] | 193 | |
Andrew F. Davis | 24eb39b | 2017-02-16 11:18:38 -0600 | [diff] [blame] | 194 | #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 195 | /* Signature not found - assume u-boot.bin */ |
Tom Rini | 026b2fe | 2012-08-14 12:06:43 -0700 | [diff] [blame] | 196 | debug("mkimage signature not found - ih_magic = %x\n", |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 197 | header->ih_magic); |
Simon Glass | 71316c1 | 2016-09-24 18:19:53 -0600 | [diff] [blame] | 198 | spl_set_header_raw_uboot(spl_image); |
Andrew F. Davis | 24eb39b | 2017-02-16 11:18:38 -0600 | [diff] [blame] | 199 | #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 \(3ADEV\) | 8c80eb3 | 2015-03-31 11:40:50 +0200 | [diff] [blame] | 203 | #endif |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 204 | } |
Andrew F. Davis | 24eb39b | 2017-02-16 11:18:38 -0600 | [diff] [blame] | 205 | |
Marek Vasut | 7e0f226 | 2016-04-29 00:44:54 +0200 | [diff] [blame] | 206 | return 0; |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 207 | } |
| 208 | |
Allen Martin | a759f1e | 2012-10-19 21:08:22 +0000 | [diff] [blame] | 209 | __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 210 | { |
SRICHARAN R | 4a0eb75 | 2013-04-24 00:41:24 +0000 | [diff] [blame] | 211 | typedef void __noreturn (*image_entry_noargs_t)(void); |
| 212 | |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 213 | image_entry_noargs_t image_entry = |
Andre Przywara | 11e1479 | 2017-01-02 11:48:31 +0000 | [diff] [blame] | 214 | (image_entry_noargs_t)spl_image->entry_point; |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 215 | |
Andre Przywara | 11e1479 | 2017-01-02 11:48:31 +0000 | [diff] [blame] | 216 | debug("image entry point: 0x%lX\n", spl_image->entry_point); |
SRICHARAN R | 4a0eb75 | 2013-04-24 00:41:24 +0000 | [diff] [blame] | 217 | image_entry(); |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 218 | } |
| 219 | |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 220 | static int spl_common_init(bool setup_malloc) |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 221 | { |
Simon Glass | f3d46bd | 2015-02-27 22:06:42 -0700 | [diff] [blame] | 222 | int ret; |
| 223 | |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 224 | debug("spl_early_init()\n"); |
| 225 | |
| 226 | #if defined(CONFIG_SYS_MALLOC_F_LEN) |
| 227 | if (setup_malloc) { |
Marek Vasut | 94b9e22 | 2016-05-25 02:14:56 +0200 | [diff] [blame] | 228 | #ifdef CONFIG_MALLOC_F_ADDR |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 229 | gd->malloc_base = CONFIG_MALLOC_F_ADDR; |
Marek Vasut | 94b9e22 | 2016-05-25 02:14:56 +0200 | [diff] [blame] | 230 | #endif |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 231 | gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN; |
| 232 | gd->malloc_ptr = 0; |
| 233 | } |
Tom Rini | 24dafad | 2012-08-13 14:13:07 -0700 | [diff] [blame] | 234 | #endif |
Simon Glass | d223e0a | 2016-07-04 11:57:56 -0600 | [diff] [blame] | 235 | if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) { |
Simon Glass | f3d46bd | 2015-02-27 22:06:42 -0700 | [diff] [blame] | 236 | ret = fdtdec_setup(); |
| 237 | if (ret) { |
| 238 | debug("fdtdec_setup() returned error %d\n", ret); |
Simon Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 239 | return ret; |
Simon Glass | f3d46bd | 2015-02-27 22:06:42 -0700 | [diff] [blame] | 240 | } |
| 241 | } |
| 242 | if (IS_ENABLED(CONFIG_SPL_DM)) { |
Tom Rini | 7f73ca4 | 2017-01-14 12:20:23 -0500 | [diff] [blame] | 243 | /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */ |
Simon Glass | 7d23b9c | 2016-07-04 11:58:14 -0600 | [diff] [blame] | 244 | ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA)); |
Simon Glass | f3d46bd | 2015-02-27 22:06:42 -0700 | [diff] [blame] | 245 | if (ret) { |
| 246 | debug("dm_init_and_scan() returned error %d\n", ret); |
Simon Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 247 | return ret; |
Simon Glass | f3d46bd | 2015-02-27 22:06:42 -0700 | [diff] [blame] | 248 | } |
| 249 | } |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | int 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 | |
| 266 | int spl_init(void) |
| 267 | { |
| 268 | int ret; |
Tom Rini | cf334ed | 2017-03-20 14:19:27 -0400 | [diff] [blame] | 269 | bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) && |
| 270 | IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE)); |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 271 | |
| 272 | if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) { |
Tom Rini | cf334ed | 2017-03-20 14:19:27 -0400 | [diff] [blame] | 273 | ret = spl_common_init(setup_malloc); |
Eddie Cai | 340f418 | 2017-03-15 08:43:28 -0600 | [diff] [blame] | 274 | if (ret) |
| 275 | return ret; |
| 276 | } |
Simon Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 277 | gd->flags |= GD_FLG_SPL_INIT; |
Aneesh V | 2d01dd9 | 2011-10-21 12:29:34 -0400 | [diff] [blame] | 278 | |
Simon Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 279 | return 0; |
| 280 | } |
| 281 | |
Nikita Kiryanov | f101e4b | 2015-11-08 17:11:51 +0200 | [diff] [blame] | 282 | #ifndef BOOT_DEVICE_NONE |
| 283 | #define BOOT_DEVICE_NONE 0xdeadbeef |
| 284 | #endif |
| 285 | |
Nikita Kiryanov | f101e4b | 2015-11-08 17:11:51 +0200 | [diff] [blame] | 286 | __weak void board_boot_order(u32 *spl_boot_list) |
| 287 | { |
| 288 | spl_boot_list[0] = spl_boot_device(); |
| 289 | } |
| 290 | |
Simon Glass | a0a8029 | 2016-09-24 18:19:58 -0600 | [diff] [blame] | 291 | static 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 Glass | 29d357d | 2016-11-30 15:30:52 -0700 | [diff] [blame] | 308 | static int spl_load_image(struct spl_image_info *spl_image, |
| 309 | struct spl_image_loader *loader) |
Nikita Kiryanov | 5211b87 | 2015-11-08 17:11:50 +0200 | [diff] [blame] | 310 | { |
Simon Glass | ecdfd69 | 2016-09-24 18:19:57 -0600 | [diff] [blame] | 311 | struct spl_boot_device bootdev; |
| 312 | |
Simon Glass | 29d357d | 2016-11-30 15:30:52 -0700 | [diff] [blame] | 313 | bootdev.boot_device = loader->boot_device; |
Simon Glass | ecdfd69 | 2016-09-24 18:19:57 -0600 | [diff] [blame] | 314 | bootdev.boot_device_name = NULL; |
| 315 | |
Simon Glass | 540bfe7 | 2016-11-30 15:30:51 -0700 | [diff] [blame] | 316 | 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 | */ |
| 327 | static 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 Glass | 540bfe7 | 2016-11-30 15:30:51 -0700 | [diff] [blame] | 335 | loader = spl_ll_find_loader(spl_boot_list[i]); |
Nikita Kiryanov | 5211b87 | 2015-11-08 17:11:50 +0200 | [diff] [blame] | 336 | #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
Simon Glass | 2acf35d | 2016-11-30 15:30:53 -0700 | [diff] [blame] | 337 | if (loader) |
Andrew F. Davis | cf947da | 2017-01-12 10:19:55 -0600 | [diff] [blame] | 338 | printf("Trying to boot from %s\n", loader->name); |
Simon Glass | 2acf35d | 2016-11-30 15:30:53 -0700 | [diff] [blame] | 339 | else |
Simon Glass | 540bfe7 | 2016-11-30 15:30:51 -0700 | [diff] [blame] | 340 | puts("SPL: Unsupported Boot Device!\n"); |
Nikita Kiryanov | 5211b87 | 2015-11-08 17:11:50 +0200 | [diff] [blame] | 341 | #endif |
Simon Glass | 29d357d | 2016-11-30 15:30:52 -0700 | [diff] [blame] | 342 | if (loader && !spl_load_image(spl_image, loader)) |
Simon Glass | 540bfe7 | 2016-11-30 15:30:51 -0700 | [diff] [blame] | 343 | return 0; |
| 344 | } |
| 345 | |
Simon Glass | 97d9df0 | 2016-09-24 18:20:12 -0600 | [diff] [blame] | 346 | return -ENODEV; |
Nikita Kiryanov | 5211b87 | 2015-11-08 17:11:50 +0200 | [diff] [blame] | 347 | } |
| 348 | |
Simon Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 349 | void board_init_r(gd_t *dummy1, ulong dummy2) |
| 350 | { |
Simon Glass | d32b2d1 | 2016-09-24 18:20:17 -0600 | [diff] [blame] | 351 | 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 Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 359 | |
| 360 | debug(">>spl:board_init_r()\n"); |
Lokesh Vutla | 15eb1d4 | 2017-04-18 17:27:23 +0530 | [diff] [blame] | 361 | gd->bd = &bdata; |
B, Ravi | 6e7585b | 2017-04-18 17:27:27 +0530 | [diff] [blame] | 362 | #ifdef CONFIG_SPL_OS_BOOT |
| 363 | dram_init_banksize(); |
| 364 | #endif |
Simon Glass | 070d00b | 2015-06-23 15:39:10 -0600 | [diff] [blame] | 365 | |
| 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 Roese | ea8256f | 2012-08-23 08:34:21 +0200 | [diff] [blame] | 375 | #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 Yanok | 4063c77 | 2012-09-17 10:26:26 +0000 | [diff] [blame] | 380 | timer_init(); |
Stefan Roese | ea8256f | 2012-08-23 08:34:21 +0200 | [diff] [blame] | 381 | #endif |
Ilya Yanok | 4063c77 | 2012-09-17 10:26:26 +0000 | [diff] [blame] | 382 | |
Tom Rini | ee08a82 | 2011-11-23 05:13:06 +0000 | [diff] [blame] | 383 | #ifdef CONFIG_SPL_BOARD_INIT |
| 384 | spl_board_init(); |
| 385 | #endif |
| 386 | |
Simon Glass | d32b2d1 | 2016-09-24 18:20:17 -0600 | [diff] [blame] | 387 | memset(&spl_image, '\0', sizeof(spl_image)); |
Vikas Manocha | 5bf5250 | 2017-04-07 15:38:13 -0700 | [diff] [blame] | 388 | #ifdef CONFIG_SYS_SPL_ARGS_ADDR |
| 389 | spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR; |
| 390 | #endif |
Nikita Kiryanov | f101e4b | 2015-11-08 17:11:51 +0200 | [diff] [blame] | 391 | board_boot_order(spl_boot_list); |
Nikita Kiryanov | f101e4b | 2015-11-08 17:11:51 +0200 | [diff] [blame] | 392 | |
Simon Glass | 540bfe7 | 2016-11-30 15:30:51 -0700 | [diff] [blame] | 393 | if (boot_from_devices(&spl_image, spl_boot_list, |
| 394 | ARRAY_SIZE(spl_boot_list))) { |
Nikita Kiryanov | f101e4b | 2015-11-08 17:11:51 +0200 | [diff] [blame] | 395 | puts("SPL: failed to boot from all boot devices\n"); |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 396 | hang(); |
Nikita Kiryanov | f101e4b | 2015-11-08 17:11:51 +0200 | [diff] [blame] | 397 | } |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 398 | |
Simon Schwarz | 9ea5c6e | 2011-09-14 15:33:34 -0400 | [diff] [blame] | 399 | switch (spl_image.os) { |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 400 | case IH_OS_U_BOOT: |
| 401 | debug("Jumping to U-Boot\n"); |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 402 | break; |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 403 | #ifdef CONFIG_SPL_OS_BOOT |
| 404 | case IH_OS_LINUX: |
| 405 | debug("Jumping to Linux\n"); |
B, Ravi | 6e7585b | 2017-04-18 17:27:27 +0530 | [diff] [blame] | 406 | spl_fixup_fdt(); |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 407 | spl_board_prepare_for_linux(); |
Vikas Manocha | 5bf5250 | 2017-04-07 15:38:13 -0700 | [diff] [blame] | 408 | jump_to_image_linux(&spl_image); |
Simon Schwarz | 379c19a | 2012-03-15 04:01:38 +0000 | [diff] [blame] | 409 | #endif |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 410 | default: |
Tom Rini | 4212098 | 2012-08-27 14:58:28 -0700 | [diff] [blame] | 411 | debug("Unsupported OS image.. Jumping nevertheless..\n"); |
Aneesh V | 8cf686e | 2011-07-21 09:10:27 -0400 | [diff] [blame] | 412 | } |
Simon Glass | fb4f5e7 | 2014-11-10 17:16:45 -0700 | [diff] [blame] | 413 | #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 Yang | bcc1726 | 2017-05-05 11:47:45 +0800 | [diff] [blame] | 418 | 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. Davis | cf947da | 2017-01-12 10:19:55 -0600 | [diff] [blame] | 423 | debug("loaded - jumping to U-Boot...\n"); |
Michal Simek | 3a3b914 | 2016-05-10 07:54:20 +0200 | [diff] [blame] | 424 | spl_board_prepare_for_boot(); |
Allen Martin | a759f1e | 2012-10-19 21:08:22 +0000 | [diff] [blame] | 425 | jump_to_image_no_args(&spl_image); |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 426 | } |
| 427 | |
Tom Rini | 6507f13 | 2012-08-22 15:31:05 -0700 | [diff] [blame] | 428 | /* |
| 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 V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 432 | void preloader_console_init(void) |
| 433 | { |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 434 | gd->baudrate = CONFIG_BAUDRATE; |
| 435 | |
Aneesh V | bcae721 | 2011-07-21 09:10:21 -0400 | [diff] [blame] | 436 | serial_init(); /* serial communications setup */ |
| 437 | |
Ilya Yanok | b88befa | 2011-11-01 13:16:03 +0000 | [diff] [blame] | 438 | gd->have_console = 1; |
| 439 | |
Tom Rini | 026b2fe | 2012-08-14 12:06:43 -0700 | [diff] [blame] | 440 | puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \ |
| 441 | U_BOOT_TIME ")\n"); |
Tom Rini | 861a86f | 2012-08-13 11:37:56 -0700 | [diff] [blame] | 442 | #ifdef CONFIG_SPL_DISPLAY_PRINT |
| 443 | spl_display_print(); |
| 444 | #endif |
Tom Rini | cc3f705 | 2011-10-04 04:59:23 +0000 | [diff] [blame] | 445 | } |
Simon Glass | db91035 | 2015-03-03 08:03:00 -0700 | [diff] [blame] | 446 | |
| 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 ARIBAUD | adc421e | 2015-11-25 17:56:33 +0100 | [diff] [blame] | 455 | * 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 Glass | db91035 | 2015-03-03 08:03:00 -0700 | [diff] [blame] | 462 | * |
| 463 | * @return new stack location, or 0 to use the same stack |
| 464 | */ |
| 465 | ulong spl_relocate_stack_gd(void) |
| 466 | { |
| 467 | #ifdef CONFIG_SPL_STACK_R |
| 468 | gd_t *new_gd; |
Albert ARIBAUD | adc421e | 2015-11-25 17:56:33 +0100 | [diff] [blame] | 469 | ulong ptr = CONFIG_SPL_STACK_R_ADDR; |
Simon Glass | db91035 | 2015-03-03 08:03:00 -0700 | [diff] [blame] | 470 | |
Hans de Goede | dcfcb8d | 2015-09-13 15:04:17 +0200 | [diff] [blame] | 471 | #ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE |
| 472 | if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) { |
Hans de Goede | dcfcb8d | 2015-09-13 15:04:17 +0200 | [diff] [blame] | 473 | 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 ARIBAUD | adc421e | 2015-11-25 17:56:33 +0100 | [diff] [blame] | 479 | /* 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 Glass | 2f11cd9 | 2016-11-13 14:21:58 -0700 | [diff] [blame] | 483 | #if CONFIG_IS_ENABLED(DM) |
| 484 | dm_fixup_for_gd_move(new_gd); |
| 485 | #endif |
Albert ARIBAUD | adc421e | 2015-11-25 17:56:33 +0100 | [diff] [blame] | 486 | #if !defined(CONFIG_ARM) |
| 487 | gd = new_gd; |
| 488 | #endif |
Simon Glass | db91035 | 2015-03-03 08:03:00 -0700 | [diff] [blame] | 489 | return ptr; |
| 490 | #else |
| 491 | return 0; |
| 492 | #endif |
| 493 | } |