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@@ -49,7 +49,7 @@ Configuration Options:
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Environment variables:
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the dfu command use 3 environments variables:
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- "dfu_alt_info" : the DFU setting for the USB download gadget with a comma
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+ "dfu_alt_info" : the DFU setting for the USB download gadget with a semicolon
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separated string of information on each alternate:
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dfu_alt_info="<alt1>;<alt2>;....;<altN>"
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@@ -87,12 +87,21 @@ Commands:
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"mmc" (for eMMC and SD card)
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cmd: dfu 0 mmc <dev>
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each element in "dfu_alt_info" =
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- <name> raw <offset> <size> raw access to mmc device
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- <name> part <dev> <part_id> raw acces to partition
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- <name> fat <dev> <part_id> file in FAT partition
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- <name> ext4 <dev> <part_id> file in EXT4 partition
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+ <name> raw <offset> <size> [mmcpart <num>] raw access to mmc device
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+ <name> part <dev> <part_id> [mmcpart <num>] raw access to partition
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+ <name> fat <dev> <part_id> [mmcpart <num>] file in FAT partition
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+ <name> ext4 <dev> <part_id> [mmcpart <num>] file in EXT4 partition
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+
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+ with <partid> being the GPT or DOS partition index,
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+ with <num> being the eMMC hardware partition number.
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+
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+ A value of environment variable dfu_alt_info for eMMC could be:
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+
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+ "u-boot raw 0x3e 0x800 mmcpart 1;bl2 raw 0x1e 0x1d mmcpart 1"
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+
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+ A value of environment variable dfu_alt_info for SD card could be:
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- with <partid> is the GPT or DOS partition index
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+ "u-boot raw 0x80 0x800;uImage ext4 0 2"
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"nand" (raw slc nand device)
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cmd: dfu 0 nand <dev>
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