[Bug 209] New: u-boot DFU needs to block console access while in DFU mode
bugzilla-daemon at bugzilla.openmoko.org
bugzilla-daemon at bugzilla.openmoko.org
Sun Feb 25 01:41:17 CET 2007
http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=209
Summary: u-boot DFU needs to block console access while in DFU
mode
Product: OpenMoko
Version: current svn head
Platform: Neo1973
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: u-boot
AssignedTo: laforge at openmoko.org
ReportedBy: laforge at openmoko.org
sine DFU does all kinds of strange things (such as doing device i/o) from USB
interrupt context, we should restrict interactive access to the bootloader while
dfu_state != DFU_STATE_appIDLE.
usbtty access is disabled anyway, since the interface and endpoint descriptors
for CDC ACM do not exist in DFU mode. After a successful DOWNLOAD, or to be
more precise: As soon as the USB host issues a USB reset, we switch back to
runtime mode (with usbtty) support anyway.
So this is really mainly about the serial port, which the standard user hasn't
access to anyway.
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