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I doubt anybody will ask for the configuration and request that
0 bytes be returned, but AFAICS that's legal, so let's support it.
Should have no effect on ChipIdea since it knows not to send more
data than requested by the host.
BRANCH=none
BUG=none
TEST=none
Change-Id: Ibfe57b593015fa5e0381c45ff9e39c3f912b4d4d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 45555e929d9d07dbb58ecfd18333f26375a0e3d7
Original-Change-Id: I7432772a1812c6f52c2b1688ee4c6f67d02ccf28
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/258064
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9790
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Only set internal variables when there's no risk of breaking things.
BRANCH=none
BUG=none
TEST=none
Change-Id: I8a8b63f60bdb70fad38130ce38eef81fe3725aa2
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 7119829096b444b790937b116fb782bcb5da70cd
Original-Change-Id: If698b11a7ff7688def310d8574fcfa7a40f703c1
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/258063
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9789
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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First handle IN packets, then OUT packets and finally SETUP packets.
This makes OS X happy. It isn't implemented as the data sheet recommends
but it avoids implementing a state machine and should always produce
observable effects identical to that of the stateful solution.
BRANCH=none
BUG=none
TEST=`fastboot getvar version` on OSX works
Change-Id: Ic7b27387771d6a7794fba12fc822fccc48770ea8
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f0e59547519d50b1d34f6abdc6132330125f94f3
Original-Change-Id: Iada1cff011f11e7d5cb1a1b34896ab590f488ec7
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/258062
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9788
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Mark EP0 non-stall explicitly. Shouldn't be necessary, but
won't hurt either.
BRANCH=none
BUG=none
TEST=none
Change-Id: I7ecd16a2affe064918d93436aedfa07bd9a1cf56
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a0fc237b33444fc30dc5b62e4f1afc3188f2cf43
Original-Change-Id: I1aa8742eebc4de733317600e35627631ebaf4724
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/258061
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9787
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Trivial copy & paste error, likely with no visible effect so far.
BRANCH=none
BUG=none
TEST=none
Change-Id: Ieaf5e770ab7a8474e407012d2c11a15c46ab357d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 90f8971500c95456ae70c6f4219b1ff9aff1c0b0
Original-Change-Id: I973573efd0effc9e0173d2b259ce577b6de38de4
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/258060
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9786
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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SET_CONFIGURATION(0) stops operation and is moves the
device to addressed mode.
BRANCH=none
BUG=none
TEST=USB device mode still works
Change-Id: I964d90ba8440b6f428896acc9fe63e1114390da6
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 402bc907222d07765b3438967edf26cc1a79d775
Original-Change-Id: Iebad024e1ed2e344dba73b73a9b385a4ac4cb450
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/250791
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9785
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Some IN transfers must be terminated by an empty packet
because otherwise the host wouldn't know.
The zlp() function determines this requirement in
accordance to USB rules: If the transfer's size is aligned
to the maximum packet size, and the host expects a larger
transfer, add the empty packet as a hint.
BRANCH=none
BUG=none
TEST=USB device mode still works
Change-Id: Ia69f3d017f72a3a0e0b21bac72fe97be184c7daa
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fd0e946e4948a74a9ed15a5eed6ce827b7672a56
Original-Change-Id: I8153cc5bd2ff1c88e383c1dbcddaf1bf72f9194c
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/250790
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9784
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add a framework for USB device mode controllers
and a driver for the ChipIdea controller which
is part of the tegra platform.
TODO:
- fix USB detach/attach
- implement zero length packet handling properly
BUG=chrome-os-partner:35861
TEST=none
BRANCH=none
Change-Id: I8defeea78b5a3bdbf9c1b1222c2702eaf3256b81
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 542332291880c4026a05a960ceb91d37891ee018
Original-Change-Id: Ib4068d201dd63ebeda80157bd3130f3059919cdd
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/243272
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8756
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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