1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * (C) Copyright 2010 4 * Texas Instruments, <www.ti.com> 5 * 6 * Aneesh V <aneesh@ti.com> 7 */ 8#include <common.h> 9#include <dm.h> 10#include <log.h> 11#include <part.h> 12#include <spl.h> 13#include <spl_load.h> 14#include <linux/compiler.h> 15#include <errno.h> 16#include <asm/u-boot.h> 17#include <errno.h> 18#include <mmc.h> 19#include <image.h> 20#include <imx_container.h> 21 22static ulong h_spl_load_read(struct spl_load_info *load, ulong off, 23 ulong size, void *buf) 24{ 25 struct blk_desc *bd = load->priv; 26 lbaint_t sector = off >> bd->log2blksz; 27 lbaint_t count = size >> bd->log2blksz; 28 29 return blk_dread(bd, sector, count, buf) << bd->log2blksz; 30} 31 32static __maybe_unused unsigned long spl_mmc_raw_uboot_offset(int part) 33{ 34#if IS_ENABLED(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR) 35 if (part == 0) 36 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET; 37#endif 38 39 return 0; 40} 41 42static __maybe_unused 43int mmc_load_image_raw_sector(struct spl_image_info *spl_image, 44 struct spl_boot_device *bootdev, 45 struct mmc *mmc, unsigned long sector) 46{ 47 int ret; 48 struct blk_desc *bd = mmc_get_blk_desc(mmc); 49 struct spl_load_info load; 50 51 load.priv = bd; 52 spl_set_bl_len(&load, bd->blksz); 53 load.read = h_spl_load_read; 54 ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz); 55 if (ret) { 56#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 57 puts("mmc_load_image_raw_sector: mmc block read error\n"); 58#endif 59 return -1; 60 } 61 62 return 0; 63} 64 65static int spl_mmc_get_device_index(u32 boot_device) 66{ 67 switch (boot_device) { 68 case BOOT_DEVICE_MMC1: 69 return 0; 70 case BOOT_DEVICE_MMC2: 71 case BOOT_DEVICE_MMC2_2: 72 return 1; 73 } 74 75#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 76 printf("spl: unsupported mmc boot device.\n"); 77#endif 78 79 return -ENODEV; 80} 81 82static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device) 83{ 84 int err, mmc_dev; 85 86 mmc_dev = spl_mmc_get_device_index(boot_device); 87 if (mmc_dev < 0) 88 return mmc_dev; 89 90#if CONFIG_IS_ENABLED(DM_MMC) 91 err = mmc_init_device(mmc_dev); 92#else 93 err = mmc_initialize(NULL); 94#endif /* DM_MMC */ 95 if (err) { 96#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 97 printf("spl: could not initialize mmc. error: %d\n", err); 98#endif 99 return err; 100 } 101 *mmcp = find_mmc_device(mmc_dev); 102 err = *mmcp ? 0 : -ENODEV; 103 if (err) { 104#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 105 printf("spl: could not find mmc device %d. error: %d\n", 106 mmc_dev, err); 107#endif 108 return err; 109 } 110 111 return 0; 112} 113 114#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION 115static int mmc_load_image_raw_partition(struct spl_image_info *spl_image, 116 struct spl_boot_device *bootdev, 117 struct mmc *mmc, int partition, 118 unsigned long sector) 119{ 120 struct disk_partition info; 121 int err; 122 123#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE 124 int type_part; 125 /* Only support MBR so DOS_ENTRY_NUMBERS */ 126 for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) { 127 err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); 128 if (err) 129 continue; 130 if (info.sys_ind == 131 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) { 132 partition = type_part; 133 break; 134 } 135 } 136#endif 137 138 err = part_get_info(mmc_get_blk_desc(mmc), partition, &info); 139 if (err) { 140#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 141 puts("spl: partition error\n"); 142#endif 143 return -1; 144 } 145 146#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR 147 return mmc_load_image_raw_sector(spl_image, bootdev, mmc, info.start + sector); 148#else 149 return mmc_load_image_raw_sector(spl_image, bootdev, mmc, info.start); 150#endif 151} 152#endif 153 154#if CONFIG_IS_ENABLED(FALCON_BOOT_MMCSD) 155static int mmc_load_image_raw_os(struct spl_image_info *spl_image, 156 struct spl_boot_device *bootdev, 157 struct mmc *mmc) 158{ 159 int ret; 160 161#if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR) 162 unsigned long count; 163 164 count = blk_dread(mmc_get_blk_desc(mmc), 165 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR, 166 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS, 167 (void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR); 168 if (count != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) { 169#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 170 puts("mmc_load_image_raw_os: mmc block read error\n"); 171#endif 172 return -1; 173 } 174#endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */ 175 176 ret = mmc_load_image_raw_sector(spl_image, bootdev, mmc, 177 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR); 178 if (ret) 179 return ret; 180 181 if (spl_image->os != IH_OS_LINUX && spl_image->os != IH_OS_TEE) { 182 puts("Expected image is not found. Trying to start U-Boot\n"); 183 return -ENOENT; 184 } 185 186 return 0; 187} 188#else 189static int mmc_load_image_raw_os(struct spl_image_info *spl_image, 190 struct spl_boot_device *bootdev, 191 struct mmc *mmc) 192{ 193 return -ENOSYS; 194} 195#endif 196 197#ifndef CONFIG_SPL_OS_BOOT 198int spl_start_uboot(void) 199{ 200 return 1; 201} 202#endif 203 204#ifdef CONFIG_SYS_MMCSD_FS_BOOT 205static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, 206 struct spl_boot_device *bootdev, 207 struct mmc *mmc, 208 const char *filename) 209{ 210 int err = -ENOSYS; 211 212 __maybe_unused int partition = CONFIG_SYS_MMCSD_FS_BOOT_PARTITION; 213 214#if CONFIG_SYS_MMCSD_FS_BOOT_PARTITION == -1 215 { 216 struct disk_partition info; 217 debug("Checking for the first MBR bootable partition\n"); 218 for (int type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) { 219 err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); 220 if (err) 221 continue; 222 debug("Partition %d is of type %d and bootable=%d\n", type_part, info.sys_ind, info.bootable); 223 if (info.bootable != 0) { 224 debug("Partition %d is bootable, using it\n", type_part); 225 partition = type_part; 226 break; 227 } 228 } 229 printf("Using first bootable partition: %d\n", partition); 230 if (partition == CONFIG_SYS_MMCSD_FS_BOOT_PARTITION) { 231 return -ENOSYS; 232 } 233 } 234#endif 235 236#ifdef CONFIG_SPL_FS_FAT 237 if (!spl_start_uboot()) { 238 err = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc), 239 partition); 240 if (!err) 241 return err; 242 } 243#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME 244 err = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc), 245 partition, 246 filename); 247 if (!err) 248 return err; 249#endif 250#endif 251#ifdef CONFIG_SPL_FS_EXT4 252 if (!spl_start_uboot()) { 253 err = spl_load_image_ext_os(spl_image, bootdev, mmc_get_blk_desc(mmc), 254 partition); 255 if (!err) 256 return err; 257 } 258#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME 259 err = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc), 260 partition, 261 filename); 262 if (!err) 263 return err; 264#endif 265#endif 266 267#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) 268 err = -ENOENT; 269#endif 270 271 return err; 272} 273#endif 274 275u32 __weak spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device) 276{ 277#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) 278 return MMCSD_MODE_FS; 279#elif defined(CONFIG_SUPPORT_EMMC_BOOT) 280 return MMCSD_MODE_EMMCBOOT; 281#else 282 return MMCSD_MODE_RAW; 283#endif 284} 285 286#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION 287int __weak spl_mmc_boot_partition(const u32 boot_device) 288{ 289 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION; 290} 291#endif 292 293unsigned long __weak arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc, 294 unsigned long raw_sect) 295{ 296 return raw_sect; 297} 298 299unsigned long __weak board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc, 300 unsigned long raw_sect) 301{ 302 return arch_spl_mmc_get_uboot_raw_sector(mmc, raw_sect); 303} 304 305unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc, 306 unsigned long raw_sect) 307{ 308 return board_spl_mmc_get_uboot_raw_sector(mmc, raw_sect); 309} 310 311int default_spl_mmc_emmc_boot_partition(struct mmc *mmc) 312{ 313 int part; 314#ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION 315 part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION; 316#else 317 /* 318 * We need to check what the partition is configured to. 319 * 1 and 2 match up to boot0 / boot1 and 7 is user data 320 * which is the first physical partition (0). 321 */ 322 part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); 323 if (part == 7) 324 part = 0; 325#endif 326 return part; 327} 328 329int __weak spl_mmc_emmc_boot_partition(struct mmc *mmc) 330{ 331 return default_spl_mmc_emmc_boot_partition(mmc); 332} 333 334static int spl_mmc_get_mmc_devnum(struct mmc *mmc) 335{ 336 struct blk_desc *block_dev; 337#if !CONFIG_IS_ENABLED(BLK) 338 block_dev = &mmc->block_dev; 339#else 340 block_dev = mmc_get_blk_desc(mmc); 341#endif 342 return block_dev->devnum; 343} 344 345static struct mmc *mmc; 346 347void spl_mmc_clear_cache(void) 348{ 349 mmc = NULL; 350} 351 352int spl_mmc_load(struct spl_image_info *spl_image, 353 struct spl_boot_device *bootdev, 354 const char *filename, 355 int raw_part, 356 unsigned long raw_sect) 357{ 358 u32 boot_mode; 359 int err = 0; 360 __maybe_unused int part = 0; 361 int mmc_dev; 362 363 /* Perform peripheral init only once for an mmc device */ 364 mmc_dev = spl_mmc_get_device_index(bootdev->boot_device); 365 if (!mmc || spl_mmc_get_mmc_devnum(mmc) != mmc_dev) { 366 err = spl_mmc_find_device(&mmc, bootdev->boot_device); 367 if (err) 368 return err; 369 370 err = mmc_init(mmc); 371 if (err) { 372 mmc = NULL; 373#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 374 printf("spl: mmc init failed with error: %d\n", err); 375#endif 376 return err; 377 } 378 } 379 380 boot_mode = spl_mmc_boot_mode(mmc, bootdev->boot_device); 381 err = -EINVAL; 382 switch (boot_mode) { 383 case MMCSD_MODE_EMMCBOOT: 384 part = spl_mmc_emmc_boot_partition(mmc); 385 386 if (CONFIG_IS_ENABLED(MMC_TINY)) 387 err = mmc_switch_part(mmc, part); 388 else 389 err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part); 390 391 if (err) { 392#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 393 puts("spl: mmc partition switch failed\n"); 394#endif 395 return err; 396 } 397 /* Fall through */ 398 case MMCSD_MODE_RAW: 399 debug("spl: mmc boot mode: raw\n"); 400 401 if (!spl_start_uboot()) { 402 err = mmc_load_image_raw_os(spl_image, bootdev, mmc); 403 if (!err) 404 return err; 405 } 406 407 raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect); 408 409#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION 410 err = mmc_load_image_raw_partition(spl_image, bootdev, 411 mmc, raw_part, 412 raw_sect); 413 if (!err) 414 return err; 415#endif 416#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR 417 err = mmc_load_image_raw_sector(spl_image, bootdev, mmc, 418 raw_sect + spl_mmc_raw_uboot_offset(part)); 419 if (!err) 420 return err; 421#endif 422 /* If RAW mode fails, try FS mode. */ 423#ifdef CONFIG_SYS_MMCSD_FS_BOOT 424 case MMCSD_MODE_FS: 425 debug("spl: mmc boot mode: fs\n"); 426 427 err = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename); 428 if (!err) 429 return err; 430 431 break; 432#endif 433#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT 434 default: 435 puts("spl: mmc: wrong boot mode\n"); 436#endif 437 } 438 439 return err; 440} 441 442int spl_mmc_load_image(struct spl_image_info *spl_image, 443 struct spl_boot_device *bootdev) 444{ 445 return spl_mmc_load(spl_image, bootdev, 446#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME 447 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME, 448#else 449 NULL, 450#endif 451#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION 452 spl_mmc_boot_partition(bootdev->boot_device), 453#else 454 0, 455#endif 456#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 457 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR); 458#else 459 0); 460#endif 461} 462 463SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image); 464SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image); 465SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image); 466