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Author SHA1 Message Date
Jean-Christophe PLAGNIOL-VILLARD d8c86961b3 move boards to arch/<architecure>/boards
this will allow each arch to handle the boards more simply and depending on
there need

the env var BOARD will refer to the current board dirent

for sandbox as we have only one board the board dirent is arch/sandbox/board

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-07-23 08:35:25 +02:00
Sascha Hauer e11c07c339 make reset_cpu a __noreturn function
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-03-30 14:15:03 +02:00
Juergen Beisert 12769b3b78 Add the whole x86 architecture to the build system
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:17 +01:00
Juergen Beisert 7081093531 Add a special command to load and start a bzImage on x86
Other architectures are supporting the uImage format used by barebox's 'bootm'
command. x86 does'nt. So, we need a special command to be able to boot the
x86 specific bzImage format.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:16 +01:00
Juergen Beisert 835aa6b599 Add a low level disk drive access driver
This is a low level disk drive communication driver. It uses the real mode
BIOS found on most x86 platforms, to read and write sectors. Used by the
generic disk driver.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:16 +01:00
Juergen Beisert c3a99ec501 Bring in the time reference for the x86 platforms
This code uses the always (hopefully) existing PIT device to get the time
reference for barebox.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:16 +01:00
Juergen Beisert 46348b5d65 Add a generic PC platform
This code adds a generic x86 platform, enabling barebox to act as a
bootloader like 'GRUB'. Very minimalistic, yet. Supports only a serial console
and is tested with QEMU only.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:16 +01:00
Juergen Beisert 7dcc15e819 Add functions to be able to boot with BIOSs help
These functions are special: They are running in the 16 bit real mode world
to bring up barebox on an x86 box.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:16 +01:00
Juergen Beisert 2bdd75bd02 Add some generic functions to make x86 work
Add some generic functions to make barebox work on x86.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:15 +01:00
Juergen Beisert c7f2adaf7d Bring in the first x86 specific code
Add some generic required code to make barebox work on x86.
Note: Resetting the CPU is unfinished yet. I need some ideas how to reset
this kind of architecture gracefully.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:15 +01:00
Juergen Beisert acd2bf6bc0 Adding required architecture header files
Add architecture header files. Some of these files are empty, they only must
exists to make the build system happy.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:15 +01:00
Juergen Beisert 2dac49cea0 Adding x86 usage documentation to the tree
Adding x86 usage documentation to the tree

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-01-14 10:06:15 +01:00