diff options
| author | Caleb Connolly <[email protected]> | 2024-10-12 15:57:17 +0200 |
|---|---|---|
| committer | Caleb Connolly <[email protected]> | 2024-11-20 17:57:58 +0100 |
| commit | ef14c347db4ae62f964bcf36805563efe1104754 (patch) | |
| tree | bdede09c7a42f0504ba75f99c4a4cc0ca7107474 /doc/usage | |
| parent | 0ce0b77243dffc23068c744628f4564d3f396b62 (diff) | |
dfu: add scsi backend
This is extremely similar to the MMC backend, but there are some notable
differences.
Works with a DFU string like
scsi 4=u-boot-bin part 11
Where "4" is the SCSI dev number (sequential LUN across all SCSI devices)
and "11" is the partition number.
Reviewed-by: Mattijs Korpershoek <[email protected]>
Acked-by: Mattijs Korpershoek <[email protected]>
Signed-off-by: Caleb Connolly <[email protected]>
Diffstat (limited to 'doc/usage')
| -rw-r--r-- | doc/usage/dfu.rst | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/doc/usage/dfu.rst b/doc/usage/dfu.rst index 8cc09c308d8..af805514b26 100644 --- a/doc/usage/dfu.rst +++ b/doc/usage/dfu.rst @@ -22,6 +22,7 @@ U-Boot implements this DFU capability (CONFIG_DFU) with the command dfu Today the supported DFU backends are: - MMC (RAW or FAT / EXT2 / EXT3 / EXT4 file system / SKIP / SCRIPT) +- SCSI (UFS, RAW partition, FAT / EXT2 / EXT3 / EXT4 file system / SKIP / SCRIPT) - NAND - RAM - SF (serial flash) @@ -51,6 +52,7 @@ The following configuration options are relevant to device firmware upgrade: * CONFIG_DFU_MTD * CONFIG_DFU_NAND * CONFIG_DFU_RAM +* CONFIG_DFU_SCSI * CONFIG_DFU_SF * CONFIG_DFU_SF_PART * CONFIG_DFU_TIMEOUT @@ -167,6 +169,36 @@ mmc Please note that this means the user will be able to execute any arbitrary commands just like in the u-boot's shell. +scsi + for UFS storage:: + + dfu 0 scsi <dev> + + each element in *dfu_alt_info* being + + * <name> raw <offset> <size> raw access to SCSI LUN + * <name> part <part_id> raw access to partition + * <name> fat <part_id> file in FAT partition + * <name> ext4 <part_id> file in EXT4 partition + * <name> skip 0 0 ignore flashed data + * <name> script 0 0 execute commands in shell + + with + + size + is the size of the access area (hexadecimal without "0x") + or 0 which means whole device + partid + is the GPT or DOS partition index. + dev + is the SCSI LU (Logical Unit) index (decimal only) + + A value of environment variable *dfu_alt_info* for UFS could be:: + + u-boot part 4;bl2 raw 0x1e 0x1d + + See mmc section above for details on the skip and script types. + nand raw slc nand device:: @@ -278,6 +310,7 @@ alternate list separated by '&' with the same format for each <alt>:: mmc <dev>=<alt1>;....;<altN> nand <dev>=<alt1>;....;<altN> ram <dev>=<alt1>;....;<altN> + scsi <dev>=<alt1>;....;<altN> sf <dev>=<alt1>;....;<altN> mtd <dev>=<alt1>;....;<altN> virt <dev>=<alt1>;....;<altN> |