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Patrick Georgi d21f68bbd5 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
 		2008-09-02 16:06:22 +00:00
documentation Rename almost all occurences of LinuxBIOS to coreboot. 2008-01-18 15:08:58 +00:00
payloads This patch adds USB capabilities to libpayload. It requires some 2008-09-02 16:06:22 +00:00
src This patch gets the Epia-CN working without ACPI or APIC. 2008-09-01 01:48:07 +00:00
targets This patch gets the Epia-CN working without ACPI or APIC. 2008-09-01 01:48:07 +00:00
util flashrom: SST49LF016C TEST_OK_ PROBE READ ERASE WRITE 2008-09-02 00:26:11 +00:00
COPYING update license template. 2006-08-12 22:03:36 +00:00
NEWS Rename almost all occurences of LinuxBIOS to coreboot. 2008-01-18 15:08:58 +00:00
README Rename almost all occurences of LinuxBIOS to coreboot. 2008-01-18 15:08:58 +00:00

README 

-------------------------------------------------------------------------------
Coreboot README
-------------------------------------------------------------------------------

Coreboot is a Free Software project aimed at replacing the proprietary
BIOS you can find in most of today's computers.

It performs just a little bit of hardware initialization and then executes
one of many possible payloads, e.g. a Linux kernel.


Payloads
--------

After the basic initialization of the hardware has been performed, any
desired "payload" can be started by coreboot. Examples include:

 * A Linux kernel
 * FILO (a simple bootloader with filesystem support)
 * GRUB2 (a free bootloader; support is in development)
 * OpenBIOS (a free IEEE1275-1994 Open Firmware implementation)
 * Open Firmware (a free IEEE1275-1994 Open Firmware implementation)
 * SmartFirmware (a free IEEE1275-1994 Open Firmware implementation)
 * GNUFI (a free, UEFI-compatible firmware)
 * Etherboot (for network booting and booting from raw IDE or FILO)
 * ADLO (for booting Windows 2000 or OpenBSD)
 * Plan 9 (a distributed operating system)
 * memtest86 (for testing your RAM)


Supported Hardware
------------------

Coreboot supports a wide range of chipsets, devices, and mainboards.

For details please consult:

 * http://www.coreboot.org/Supported_Motherboards
 * http://www.coreboot.org/Supported_Chipsets_and_Devices


Website and Mailing List
------------------------

Further details on the project, a FAQ, many HOWTOs, news, development
guidelines and more can be found on the coreboot website:

  http://www.coreboot.org

You can contact us directly on the coreboot mailing list:

  http://www.coreboot.org/Mailinglist


Copyright and License
---------------------

The copyright on coreboot is owned by quite a large number of individual
developers and companies. Please check the individual source files for details.

Coreboot is licensed under the terms of the GNU General Public License (GPL).
Some files are licensed under the "GPL (version 2, or any later version)",
and some files (mostly those derived from the Linux kernel) are licensed under
the "GPL, version 2". For some parts, which were derived from other projects,
other (GPL-compatible) licenses may apply. Please check the individual
source files for details.

This makes the resulting coreboot images licensed under the GPL, version 2.