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authorPatrick Georgi <patrick.georgi@coresystems.de>2008-09-02 16:06:22 +0000
committerPatrick Georgi <patrick.georgi@coresystems.de>2008-09-02 16:06:22 +0000
commitd21f68bbd588f46c23066eb8d227b51e4823de41 (patch)
tree1c9c724d292b8de59599d98e8549177329953a12 /payloads/libpayload/curses
parent5ccfa1ac7994888f57c60b80fff80e350ab3f16c (diff)
downloadcoreboot-d21f68bbd588f46c23066eb8d227b51e4823de41.tar.xz
This patch adds USB capabilities to libpayload. It requires some
memalign implementation (eg. the one I sent yesterday). Features: - UHCI controller driver - UHCI root hub driver - USB MSC (Mass Storage Class) driver - skeleton of a USB HID driver (requires better interrupt transfer handling, which is TODO) - skeleton of a USB hub driver (needs several blank spots filled in, eg. power management. Again: TODO) OHCI and EHCI are not supported, though OHCI support should be rather easy as the stack provides reasonable abstractions (or so I hope). EHCI will probably be more complicated. Isochronous transfers (eg. webcams, audio stuff, ...) are not supported. They can be, but I doubt we'll have a reason for that in the boot environment. The MSC driver was tested against a couple of USB flash drives, and should be reasonably tolerant by now. But I probably underestimate the amount of bugs present in USB flash drives, so feedback is welcome. Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3560 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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