Merge tag 'dm-pull-29oct19' of git://git.denx.de/u-boot-dm
[oweals/u-boot.git] / common / spl / spl_mmc.c
index 899caf4a9b536f4b61910ddd6caad36d5cd70dd9..2ede096e61c860062eec3007d3859ea761cbdd74 100644 (file)
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2010
  * Texas Instruments, <www.ti.com>
  *
  * Aneesh V <aneesh@ti.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
 #include <dm.h>
 #include <mmc.h>
 #include <image.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
-static int mmc_load_legacy(struct mmc *mmc, ulong sector,
-                          struct image_header *header)
+static int mmc_load_legacy(struct spl_image_info *spl_image, struct mmc *mmc,
+                          ulong sector, struct image_header *header)
 {
        u32 image_size_sectors;
        unsigned long count;
        int ret;
 
-       ret = spl_parse_image_header(&spl_image, header);
+       ret = spl_parse_image_header(spl_image, header);
        if (ret)
                return ret;
 
        /* convert size to sectors - round up */
-       image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
+       image_size_sectors = (spl_image->size + mmc->read_bl_len - 1) /
                             mmc->read_bl_len;
 
        /* Read the header too to avoid extra memcpy */
        count = blk_dread(mmc_get_blk_desc(mmc), sector, image_size_sectors,
-                         (void *)(ulong)spl_image.load_addr);
-       debug("read %x sectors to %x\n", image_size_sectors,
-             spl_image.load_addr);
+                         (void *)(ulong)spl_image->load_addr);
+       debug("read %x sectors to %lx\n", image_size_sectors,
+             spl_image->load_addr);
        if (count != image_size_sectors)
                return -EIO;
 
@@ -52,17 +49,19 @@ static ulong h_spl_load_read(struct spl_load_info *load, ulong sector,
        return blk_dread(mmc_get_blk_desc(mmc), sector, count, buf);
 }
 
-static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
+static __maybe_unused
+int mmc_load_image_raw_sector(struct spl_image_info *spl_image,
+                             struct mmc *mmc, unsigned long sector)
 {
        unsigned long count;
        struct image_header *header;
+       struct blk_desc *bd = mmc_get_blk_desc(mmc);
        int ret = 0;
 
-       header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
-                                        sizeof(struct image_header));
+       header = spl_get_load_buffer(-sizeof(*header), bd->blksz);
 
        /* read image header to find the image size & load address */
-       count = blk_dread(mmc_get_blk_desc(mmc), sector, 1, header);
+       count = blk_dread(bd, sector, 1, header);
        debug("hdr read sector %lx, count=%lu\n", sector, count);
        if (count == 0) {
                ret = -EIO;
@@ -79,9 +78,19 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
                load.filename = NULL;
                load.bl_len = mmc->read_bl_len;
                load.read = h_spl_load_read;
-               ret = spl_load_simple_fit(&load, sector, header);
+               ret = spl_load_simple_fit(spl_image, &load, sector, header);
+       } else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
+               struct spl_load_info load;
+
+               load.dev = mmc;
+               load.priv = NULL;
+               load.filename = NULL;
+               load.bl_len = mmc->read_bl_len;
+               load.read = h_spl_load_read;
+
+               ret = spl_load_imx_container(spl_image, &load, sector);
        } else {
-               ret = mmc_load_legacy(mmc, sector, header);
+               ret = mmc_load_legacy(spl_image, mmc, sector, header);
        }
 
 end:
@@ -95,7 +104,7 @@ end:
        return 0;
 }
 
-int spl_mmc_get_device_index(u32 boot_device)
+static int spl_mmc_get_device_index(u32 boot_device)
 {
        switch (boot_device) {
        case BOOT_DEVICE_MMC1:
@@ -114,34 +123,29 @@ int spl_mmc_get_device_index(u32 boot_device)
 
 static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
 {
-#ifdef CONFIG_DM_MMC
-       struct udevice *dev;
-#endif
        int err, mmc_dev;
 
        mmc_dev = spl_mmc_get_device_index(boot_device);
        if (mmc_dev < 0)
                return mmc_dev;
 
+#if CONFIG_IS_ENABLED(DM_MMC)
+       err = mmc_init_device(mmc_dev);
+#else
        err = mmc_initialize(NULL);
+#endif /* DM_MMC */
        if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
                printf("spl: could not initialize mmc. error: %d\n", err);
 #endif
                return err;
        }
-
-#ifdef CONFIG_DM_MMC
-       err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
-       if (!err)
-               *mmcp = mmc_get_mmc_dev(dev);
-#else
        *mmcp = find_mmc_device(mmc_dev);
        err = *mmcp ? 0 : -ENODEV;
-#endif
        if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-               printf("spl: could not find mmc device. error: %d\n", err);
+               printf("spl: could not find mmc device %d. error: %d\n",
+                      mmc_dev, err);
 #endif
                return err;
        }
@@ -149,12 +153,29 @@ static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
        return 0;
 }
 
-#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
-static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
+static int mmc_load_image_raw_partition(struct spl_image_info *spl_image,
+                                       struct mmc *mmc, int partition,
+                                       unsigned long sector)
 {
        disk_partition_t info;
        int err;
 
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
+       int type_part;
+       /* Only support MBR so DOS_ENTRY_NUMBERS */
+       for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) {
+               err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);
+               if (err)
+                       continue;
+               if (info.sys_ind == 
+                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) {
+                       partition = type_part;
+                       break;
+               }
+       }
+#endif
+
        err = part_get_info(mmc_get_blk_desc(mmc), partition, &info);
        if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
@@ -163,44 +184,41 @@ static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
                return -1;
        }
 
-#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
-       return mmc_load_image_raw_sector(mmc, info.start +
-                                        CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+       return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);
 #else
-       return mmc_load_image_raw_sector(mmc, info.start);
+       return mmc_load_image_raw_sector(spl_image, mmc, info.start);
 #endif
 }
-#else
-#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
-static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
-{
-       return -ENOSYS;
-}
 #endif
 
 #ifdef CONFIG_SPL_OS_BOOT
-static int mmc_load_image_raw_os(struct mmc *mmc)
+static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
+                                struct mmc *mmc)
 {
-       unsigned long count;
        int ret;
 
+#if defined(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR)
+       unsigned long count;
+
        count = blk_dread(mmc_get_blk_desc(mmc),
                CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
                CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
                (void *) CONFIG_SYS_SPL_ARGS_ADDR);
-       if (count == 0) {
+       if (count != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
                puts("mmc_load_image_raw_os: mmc block read error\n");
 #endif
                return -1;
        }
+#endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */
 
-       ret = mmc_load_image_raw_sector(mmc,
+       ret = mmc_load_image_raw_sector(spl_image, mmc,
                CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
        if (ret)
                return ret;
 
-       if (spl_image.os != IH_OS_LINUX) {
+       if (spl_image->os != IH_OS_LINUX) {
                puts("Expected Linux image is not found. Trying to start U-boot\n");
                return -ENOENT;
        }
@@ -212,118 +230,168 @@ int spl_start_uboot(void)
 {
        return 1;
 }
-static int mmc_load_image_raw_os(struct mmc *mmc)
+static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
+                                struct mmc *mmc)
 {
        return -ENOSYS;
 }
 #endif
 
 #ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
-int spl_mmc_do_fs_boot(struct mmc *mmc)
+static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,
+                             const char *filename)
 {
        int err = -ENOSYS;
 
-#ifdef CONFIG_SPL_FAT_SUPPORT
+#ifdef CONFIG_SPL_FS_FAT
        if (!spl_start_uboot()) {
-               err = spl_load_image_fat_os(mmc_get_blk_desc(mmc),
+               err = spl_load_image_fat_os(spl_image, mmc_get_blk_desc(mmc),
                        CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
                if (!err)
                        return err;
        }
 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
-       err = spl_load_image_fat(mmc_get_blk_desc(mmc),
+       err = spl_load_image_fat(spl_image, mmc_get_blk_desc(mmc),
                                 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
-                                CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
+                                filename);
        if (!err)
                return err;
 #endif
 #endif
-#ifdef CONFIG_SPL_EXT_SUPPORT
+#ifdef CONFIG_SPL_FS_EXT4
        if (!spl_start_uboot()) {
-               err = spl_load_image_ext_os(&mmc->block_dev,
+               err = spl_load_image_ext_os(spl_image, mmc_get_blk_desc(mmc),
                        CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
                if (!err)
                        return err;
        }
 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
-       err = spl_load_image_ext(&mmc->block_dev,
+       err = spl_load_image_ext(spl_image, mmc_get_blk_desc(mmc),
                                 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
-                                CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
+                                filename);
        if (!err)
                return err;
 #endif
 #endif
 
-#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
+#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
        err = -ENOENT;
 #endif
 
        return err;
 }
 #else
-int spl_mmc_do_fs_boot(struct mmc *mmc)
+static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,
+                             const char *filename)
 {
        return -ENOSYS;
 }
 #endif
 
-int spl_mmc_load_image(struct spl_boot_device *bootdev)
+u32 __weak spl_boot_mode(const u32 boot_device)
+{
+#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
+       return MMCSD_MODE_FS;
+#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
+       return MMCSD_MODE_EMMCBOOT;
+#else
+       return MMCSD_MODE_RAW;
+#endif
+}
+
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
+__weak
+int spl_boot_partition(const u32 boot_device)
+{
+       return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
+}
+#endif
+
+unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc)
+{
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
+       return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR;
+#else
+       return 0;
+#endif
+}
+
+int spl_mmc_load(struct spl_image_info *spl_image,
+                struct spl_boot_device *bootdev,
+                const char *filename,
+                int raw_part,
+                unsigned long raw_sect)
 {
-       struct mmc *mmc = NULL;
+       static struct mmc *mmc;
        u32 boot_mode;
        int err = 0;
        __maybe_unused int part;
 
-       err = spl_mmc_find_device(&mmc, bootdev->boot_device);
-       if (err)
-               return err;
+       /* Perform peripheral init only once */
+       if (!mmc) {
+               err = spl_mmc_find_device(&mmc, bootdev->boot_device);
+               if (err)
+                       return err;
 
-       err = mmc_init(mmc);
-       if (err) {
+               err = mmc_init(mmc);
+               if (err) {
+                       mmc = NULL;
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-               printf("spl: mmc init failed with error: %d\n", err);
+                       printf("spl: mmc init failed with error: %d\n", err);
 #endif
-               return err;
+                       return err;
+               }
        }
 
        boot_mode = spl_boot_mode(bootdev->boot_device);
        err = -EINVAL;
        switch (boot_mode) {
        case MMCSD_MODE_EMMCBOOT:
-                       /*
-                        * We need to check what the partition is configured to.
-                        * 1 and 2 match up to boot0 / boot1 and 7 is user data
-                        * which is the first physical partition (0).
-                        */
-                       part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
-
-                       if (part == 7)
-                               part = 0;
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
+               part = CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION;
+#else
+               /*
+                * We need to check what the partition is configured to.
+                * 1 and 2 match up to boot0 / boot1 and 7 is user data
+                * which is the first physical partition (0).
+                */
+               part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
+
+               if (part == 7)
+                       part = 0;
+#endif
 
+               if (CONFIG_IS_ENABLED(MMC_TINY))
+                       err = mmc_switch_part(mmc, part);
+               else
                        err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
-                       if (err) {
+
+               if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-                               puts("spl: mmc partition switch failed\n");
+                       puts("spl: mmc partition switch failed\n");
 #endif
-                               return err;
-                       }
-                       /* Fall through */
+                       return err;
+               }
+               /* Fall through */
        case MMCSD_MODE_RAW:
                debug("spl: mmc boot mode: raw\n");
 
                if (!spl_start_uboot()) {
-                       err = mmc_load_image_raw_os(mmc);
+                       err = mmc_load_image_raw_os(spl_image, mmc);
                        if (!err)
                                return err;
                }
 
-               err = mmc_load_image_raw_partition(mmc,
-                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
+               raw_sect = spl_mmc_get_uboot_raw_sector(mmc);
+
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
+               err = mmc_load_image_raw_partition(spl_image, mmc, raw_part,
+                                                  raw_sect);
                if (!err)
                        return err;
-#if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
-               err = mmc_load_image_raw_sector(mmc,
-                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+#endif
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+               err = mmc_load_image_raw_sector(spl_image, mmc, raw_sect);
                if (!err)
                        return err;
 #endif
@@ -331,12 +399,11 @@ int spl_mmc_load_image(struct spl_boot_device *bootdev)
        case MMCSD_MODE_FS:
                debug("spl: mmc boot mode: fs\n");
 
-               err = spl_mmc_do_fs_boot(mmc);
+               err = spl_mmc_do_fs_boot(spl_image, mmc, filename);
                if (!err)
                        return err;
 
                break;
-       case MMCSD_MODE_UNDEFINED:
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
        default:
                puts("spl: mmc: wrong boot mode\n");
@@ -345,3 +412,28 @@ int spl_mmc_load_image(struct spl_boot_device *bootdev)
 
        return err;
 }
+
+int spl_mmc_load_image(struct spl_image_info *spl_image,
+                      struct spl_boot_device *bootdev)
+{
+       return spl_mmc_load(spl_image, bootdev,
+#ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
+                           CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,
+#else
+                           NULL,
+#endif
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
+                           spl_boot_partition(bootdev->boot_device),
+#else
+                           0,
+#endif
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
+                           CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+#else
+                           0);
+#endif
+}
+
+SPL_LOAD_IMAGE_METHOD("MMC1", 0, BOOT_DEVICE_MMC1, spl_mmc_load_image);
+SPL_LOAD_IMAGE_METHOD("MMC2", 0, BOOT_DEVICE_MMC2, spl_mmc_load_image);
+SPL_LOAD_IMAGE_METHOD("MMC2_2", 0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image);