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Julius Werner a31887b804 nyan: Slightly change the way SDRAM parameter files are set up
This patch slightly revises the way the dynamic SDRAM parameter tables
are stored in the source tree for nyan and nyan_big. The parameter files
are named sdram-<vendor>-<size>-<freq>.inc (moving frequency last so
that files that belong to the same board/ram_code will be together in
directory listings). There is also an sdram-unused.inc file that
contains an empty "dummy" configuration for unused ram_codes. The
inclusion list in sdram_configs.c is annotated with comments to avoid
confusion about which line corresponds to which ram_code.

Also added another check for MemoryType to sdram_init(), just to be
sure.

BUG=None
TEST=Built and booted Nyan and Nyan_Big successfully.

Change-Id: If1406b8d36a37283701c5c272137b34f4324636f
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/185286
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-02-08 06:32:40 +00:00
configs snow: Rename snow to daisy. 2014-01-25 04:34:43 +00:00
documentation sconfig: rename lapic_cluster -> cpu_cluster 2013-02-14 07:07:20 +01:00
payloads arm: Put assembly functions into separate sections 2014-01-29 21:33:41 +00:00
src nyan: Slightly change the way SDRAM parameter files are set up 2014-02-08 06:32:40 +00:00
util cbfstool: add code to serialize the header using the new xdr functions 2014-01-25 05:54:30 +00:00
.gitignore add a few entries to .gitignore 2013-01-10 22:51:20 +01:00
COMMIT-QUEUE.ini COMMIT-QUEUE.ini: Add documentation. 2013-11-01 14:08:42 +00:00
COPYING update license template. 2006-08-12 22:03:36 +00:00
Makefile armv8: add support for armv8 cpu 2014-01-07 02:48:47 +00:00
Makefile.inc Makefile: Include ccopts variables in the static.c Make rules. 2013-10-02 09:18:48 +00:00
PRESUBMIT.cfg chromeos: Add PRESUBMIT.cfg 2013-05-01 14:31:10 -07:00
README Update README with newer version of the text from the web page 2011-06-15 10:16:33 +02:00

-------------------------------------------------------------------------------
coreboot README
-------------------------------------------------------------------------------

coreboot is a Free Software project aimed at replacing the proprietary BIOS
(firmware) found in most computers.  coreboot performs a little bit of
hardware initialization and then executes additional boot logic, called a
payload.

With the separation of hardware initialization and later boot logic,
coreboot can scale from specialized applications that run directly
firmware, run operating systems in flash, load custom
bootloaders, or implement firmware standards, like PC BIOS services or
UEFI. This allows for systems to only include the features necessary
in the target application, reducing the amount of code and flash space
required.

coreboot was formerly known as LinuxBIOS.


Payloads
--------

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

See http://www.coreboot.org/Payloads for a list of supported payloads.


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


Build Requirements
------------------

 * gcc / g++
 * make

Optional:

 * doxygen (for generating/viewing documentation)
 * iasl (for targets with ACPI support)
 * gdb (for better debugging facilities on some targets)
 * ncurses (for 'make menuconfig')
 * flex and bison (for regenerating parsers)


Building coreboot
-----------------

Please consult http://www.coreboot.org/Build_HOWTO for details.


Testing coreboot Without Modifying Your Hardware
------------------------------------------------

If you want to test coreboot without any risks before you really decide
to use it on your hardware, you can use the QEMU system emulator to run
coreboot virtually in QEMU.

Please see http://www.coreboot.org/QEMU for details.


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 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.