[U-Boot] [PATCH v5 1/9] README: Document current DFU CONFIG options

Tom Rini
2013-03-08T17:37:20Z

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
--
1.7.9.5