]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - common/fb_mmc.c
scsi: move the partition initialization out of the scsi detection
[people/ms/u-boot.git] / common / fb_mmc.c
index 0c48cf929f8fd568d4d06095ede231ab81a97a6a..6cc113d825a4057f6126ad33083156ff3222ef43 100644 (file)
@@ -6,39 +6,37 @@
 
 #include <config.h>
 #include <common.h>
+#include <blk.h>
+#include <fastboot.h>
 #include <fb_mmc.h>
+#include <image-sparse.h>
 #include <part.h>
-#include <aboot.h>
-#include <sparse_format.h>
 #include <mmc.h>
+#include <div64.h>
 
+/*
+ * FIXME: Ensure we always set these names via Kconfig once xxx_PARTITION is
+ * migrated
+ */
 #ifndef CONFIG_FASTBOOT_GPT_NAME
-#define CONFIG_FASTBOOT_GPT_NAME GPT_ENTRY_NAME
+#define CONFIG_FASTBOOT_GPT_NAME "gpt"
 #endif
 
-/* The 64 defined bytes plus the '\0' */
-#define RESPONSE_LEN   (64 + 1)
-
-static char *response_str;
 
-void fastboot_fail(const char *s)
-{
-       strncpy(response_str, "FAIL\0", 5);
-       strncat(response_str, s, RESPONSE_LEN - 4 - 1);
-}
+#ifndef CONFIG_FASTBOOT_MBR_NAME
+#define CONFIG_FASTBOOT_MBR_NAME "mbr"
+#endif
 
-void fastboot_okay(const char *s)
-{
-       strncpy(response_str, "OKAY\0", 5);
-       strncat(response_str, s, RESPONSE_LEN - 4 - 1);
-}
+struct fb_mmc_sparse {
+       struct blk_desc *dev_desc;
+};
 
-static int get_partition_info_efi_by_name_or_alias(block_dev_desc_t *dev_desc,
+static int part_get_info_by_name_or_alias(struct blk_desc *dev_desc,
                const char *name, disk_partition_t *info)
 {
        int ret;
 
-       ret = get_partition_info_efi_by_name(dev_desc, name, info);
+       ret = part_get_info_by_name(dev_desc, name, info);
        if (ret) {
                /* strlen("fastboot_partition_alias_") + 32(part_name) + 1 */
                char env_alias_name[25 + 32 + 1];
@@ -49,13 +47,28 @@ static int get_partition_info_efi_by_name_or_alias(block_dev_desc_t *dev_desc,
                strncat(env_alias_name, name, 32);
                aliased_part_name = getenv(env_alias_name);
                if (aliased_part_name != NULL)
-                       ret = get_partition_info_efi_by_name(dev_desc,
+                       ret = part_get_info_by_name(dev_desc,
                                        aliased_part_name, info);
        }
        return ret;
 }
 
-static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
+static lbaint_t fb_mmc_sparse_write(struct sparse_storage *info,
+               lbaint_t blk, lbaint_t blkcnt, const void *buffer)
+{
+       struct fb_mmc_sparse *sparse = info->priv;
+       struct blk_desc *dev_desc = sparse->dev_desc;
+
+       return blk_dwrite(dev_desc, blk, blkcnt, buffer);
+}
+
+static lbaint_t fb_mmc_sparse_reserve(struct sparse_storage *info,
+               lbaint_t blk, lbaint_t blkcnt)
+{
+       return blkcnt;
+}
+
+static void write_raw_image(struct blk_desc *dev_desc, disk_partition_t *info,
                const char *part_name, void *buffer,
                unsigned int download_bytes)
 {
@@ -64,7 +77,7 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
 
        /* determine number of blocks to write */
        blkcnt = ((download_bytes + (info->blksz - 1)) & ~(info->blksz - 1));
-       blkcnt = blkcnt / info->blksz;
+       blkcnt = lldiv(blkcnt, info->blksz);
 
        if (blkcnt > info->size) {
                error("too large for partition: '%s'\n", part_name);
@@ -74,10 +87,9 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
 
        puts("Flashing Raw Image\n");
 
-       blks = dev_desc->block_write(dev_desc->dev, info->start, blkcnt,
-                                    buffer);
+       blks = blk_dwrite(dev_desc, info->start, blkcnt, buffer);
        if (blks != blkcnt) {
-               error("failed writing to device %d\n", dev_desc->dev);
+               error("failed writing to device %d\n", dev_desc->devnum);
                fastboot_fail("failed writing to device");
                return;
        }
@@ -88,21 +100,19 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
 }
 
 void fb_mmc_flash_write(const char *cmd, void *download_buffer,
-                       unsigned int download_bytes, char *response)
+                       unsigned int download_bytes)
 {
-       block_dev_desc_t *dev_desc;
+       struct blk_desc *dev_desc;
        disk_partition_t info;
 
-       /* initialize the response buffer */
-       response_str = response;
-
-       dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
+       dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
        if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
                error("invalid mmc device\n");
                fastboot_fail("invalid mmc device");
                return;
        }
 
+#if CONFIG_IS_ENABLED(EFI_PARTITION)
        if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) {
                printf("%s: updating MBR, Primary and Backup GPT(s)\n",
                       __func__);
@@ -120,24 +130,63 @@ void fb_mmc_flash_write(const char *cmd, void *download_buffer,
                printf("........ success\n");
                fastboot_okay("");
                return;
-       } else if (get_partition_info_efi_by_name_or_alias(dev_desc, cmd, &info)) {
+       }
+#endif
+
+#if CONFIG_IS_ENABLED(DOS_PARTITION)
+       if (strcmp(cmd, CONFIG_FASTBOOT_MBR_NAME) == 0) {
+               printf("%s: updating MBR\n", __func__);
+               if (is_valid_dos_buf(download_buffer)) {
+                       printf("%s: invalid MBR - refusing to write to flash\n",
+                              __func__);
+                       fastboot_fail("invalid MBR partition");
+                       return;
+               }
+               if (write_mbr_partition(dev_desc, download_buffer)) {
+                       printf("%s: writing MBR partition failed\n", __func__);
+                       fastboot_fail("writing MBR partition failed");
+                       return;
+               }
+               printf("........ success\n");
+               fastboot_okay("");
+               return;
+       }
+#endif
+
+       if (part_get_info_by_name_or_alias(dev_desc, cmd, &info)) {
                error("cannot find partition: '%s'\n", cmd);
                fastboot_fail("cannot find partition");
                return;
        }
 
-       if (is_sparse_image(download_buffer))
-               write_sparse_image(dev_desc, &info, cmd, download_buffer,
+       if (is_sparse_image(download_buffer)) {
+               struct fb_mmc_sparse sparse_priv;
+               struct sparse_storage sparse;
+
+               sparse_priv.dev_desc = dev_desc;
+
+               sparse.blksz = info.blksz;
+               sparse.start = info.start;
+               sparse.size = info.size;
+               sparse.write = fb_mmc_sparse_write;
+               sparse.reserve = fb_mmc_sparse_reserve;
+
+               printf("Flashing sparse image at offset " LBAFU "\n",
+                      sparse.start);
+
+               sparse.priv = &sparse_priv;
+               write_sparse_image(&sparse, cmd, download_buffer,
                                   download_bytes);
-       else
+       } else {
                write_raw_image(dev_desc, &info, cmd, download_buffer,
                                download_bytes);
+       }
 }
 
-void fb_mmc_erase(const char *cmd, char *response)
+void fb_mmc_erase(const char *cmd)
 {
        int ret;
-       block_dev_desc_t *dev_desc;
+       struct blk_desc *dev_desc;
        disk_partition_t info;
        lbaint_t blks, blks_start, blks_size, grp_size;
        struct mmc *mmc = find_mmc_device(CONFIG_FASTBOOT_FLASH_MMC_DEV);
@@ -148,17 +197,14 @@ void fb_mmc_erase(const char *cmd, char *response)
                return;
        }
 
-       /* initialize the response buffer */
-       response_str = response;
-
-       dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
+       dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
        if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
                error("invalid mmc device");
                fastboot_fail("invalid mmc device");
                return;
        }
 
-       ret = get_partition_info_efi_by_name_or_alias(dev_desc, cmd, &info);
+       ret = part_get_info_by_name_or_alias(dev_desc, cmd, &info);
        if (ret) {
                error("cannot find partition: '%s'", cmd);
                fastboot_fail("cannot find partition");
@@ -177,9 +223,9 @@ void fb_mmc_erase(const char *cmd, char *response)
        printf("Erasing blocks " LBAFU " to " LBAFU " due to alignment\n",
               blks_start, blks_start + blks_size);
 
-       blks = dev_desc->block_erase(dev_desc->dev, blks_start, blks_size);
+       blks = blk_derase(dev_desc, blks_start, blks_size);
        if (blks != blks_size) {
-               error("failed erasing from device %d", dev_desc->dev);
+               error("failed erasing from device %d", dev_desc->devnum);
                fastboot_fail("failed erasing from device");
                return;
        }