Merge tag 'u-boot-rockchip-20190729' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / common / spl / spl_mmc.c
index a3d6b36cb41ace1d1519750c5eca5f49416d7d11..b3619889f794bdb714beeb85965bcf27af7fcf0d 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>
@@ -16,8 +15,6 @@
 #include <mmc.h>
 #include <image.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 static int mmc_load_legacy(struct spl_image_info *spl_image, struct mmc *mmc,
                           ulong sector, struct image_header *header)
 {
@@ -36,7 +33,7 @@ static int mmc_load_legacy(struct spl_image_info *spl_image, struct mmc *mmc,
        /* 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,
+       debug("read %x sectors to %lx\n", image_size_sectors,
              spl_image->load_addr);
        if (count != image_size_sectors)
                return -EIO;
@@ -52,18 +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 spl_image_info *spl_image,
-                                    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;
@@ -96,7 +94,7 @@ 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:
@@ -115,7 +113,7 @@ 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
+#if CONFIG_IS_ENABLED(DM_MMC)
        struct udevice *dev;
 #endif
        int err, mmc_dev;
@@ -132,7 +130,7 @@ static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
                return err;
        }
 
-#ifdef CONFIG_DM_MMC
+#if CONFIG_IS_ENABLED(DM_MMC)
        err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
        if (!err)
                *mmcp = mmc_get_mmc_dev(dev);
@@ -142,7 +140,8 @@ static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
 #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;
        }
@@ -150,13 +149,29 @@ static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
        return 0;
 }
 
-#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_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)
+                                       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
@@ -166,38 +181,33 @@ static int mmc_load_image_raw_partition(struct spl_image_info *spl_image,
        }
 
 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
-       return mmc_load_image_raw_sector(spl_image, mmc,
-                       info.start + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+       return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);
 #else
        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 spl_image_info *spl_image,
-                                       struct mmc *mmc, int partition)
-{
-       return -ENOSYS;
-}
 #endif
 
 #ifdef CONFIG_SPL_OS_BOOT
 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(spl_image, mmc,
                CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
@@ -224,11 +234,12 @@ static int mmc_load_image_raw_os(struct spl_image_info *spl_image,
 #endif
 
 #ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
-static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, 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(spl_image, mmc_get_blk_desc(mmc),
                        CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
@@ -238,58 +249,85 @@ static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc)
 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
        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(spl_image, &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(spl_image, &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
-static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, 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
 
-static int spl_mmc_load_image(struct spl_image_info *spl_image,
-                             struct spl_boot_device *bootdev)
+u32 __weak spl_boot_mode(const u32 boot_device)
 {
-       struct mmc *mmc = NULL;
+#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
+
+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)
+{
+       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);
@@ -306,7 +344,11 @@ static int spl_mmc_load_image(struct spl_image_info *spl_image,
                        if (part == 7)
                                part = 0;
 
-                       err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
+                       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) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
                                puts("spl: mmc partition switch failed\n");
@@ -322,14 +364,14 @@ static int spl_mmc_load_image(struct spl_image_info *spl_image,
                        if (!err)
                                return err;
                }
-
-               err = mmc_load_image_raw_partition(spl_image, mmc,
-                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
+#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;
+#endif
 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
-               err = mmc_load_image_raw_sector(spl_image, mmc,
-                       CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+               err = mmc_load_image_raw_sector(spl_image, mmc, raw_sect);
                if (!err)
                        return err;
 #endif
@@ -337,7 +379,7 @@ static int spl_mmc_load_image(struct spl_image_info *spl_image,
        case MMCSD_MODE_FS:
                debug("spl: mmc boot mode: fs\n");
 
-               err = spl_mmc_do_fs_boot(spl_image, mmc);
+               err = spl_mmc_do_fs_boot(spl_image, mmc, filename);
                if (!err)
                        return err;
 
@@ -351,6 +393,27 @@ static int spl_mmc_load_image(struct spl_image_info *spl_image,
        return err;
 }
 
-SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_MMC1, spl_mmc_load_image);
-SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_MMC2, spl_mmc_load_image);
-SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_MMC2_2, spl_mmc_load_image);
+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);