Add documentation for the current DFU config options. DFU is a standard USB device class so more information is available from usb.org
Signed-off-by: Tom Rini trini@ti.com --- Changes in v5: - New patch to document existing DFU CONFIG options
Changes in v4: None Changes in v3: None Changes in v2: None
README | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/README b/README index 42544ce..900ae5f 100644 --- a/README +++ b/README @@ -1325,6 +1325,19 @@ The following options need to be configured: CONFIG_SH_MMCIF_CLK Define the clock frequency for MMCIF
+- USB Device Firmware Update (DFU) class support: + CONFIG_DFU_FUNCTION + This enables the USB portion of the DFU USB class + + CONFIG_CMD_DFU + This enables the command "dfu" which is used to have + U-Boot create a DFU class device via USB. This command + requires that the "dfu_alt_info" environment variable be + set and define the alt settings to expose to the host. + + CONFIG_DFU_MMC + This enables support for exposing (e)MMC devices via DFU. + - Journaling Flash filesystem support: CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE, CONFIG_JFFS2_NAND_DEV