Commit 47508843 introduced a change in the dependency generation which
breaks SPL, because the source files being built are not initially present
and are symlinked as part of the build.

The .depend file must depend not only on the files in the DEPS list but
also on the sources which did not contribute files to the DEPS list, since
these sources will otherwise not get a dependency and will not be built.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Wolfgang Denk <wd@denx.de>

There is a rather subtle build problem where the build time stamp is not
updated for out-of-tree builds if there exists an in-tree build which
has a valid timestamp file. So if you do an in-tree build, then an
out-of-tree build your timestamp will not change.

The correct timestamp_autogenerated.h lives in the object tree, but it
is not always found there. The source still lives in the source tree and
when compiling version.h, it includes timestamp_autogenerated.h. Since
the current directory is always searched first, this will come from the
source tree rather than the object tree if it exists there. This affects
dependency generation also, which means that common/cmd_version.o will not
even be rebuilt if you have ever done an in-tree build.

A similar problem exists with the version file.

This change moves both files into the 'generated' subdir, which is already
used for asm-offsets.h. Then timestamp.h and version.h are updated to
include the files from there.

There are other places where these generated files are included, but I
cannot see why these don't just use the timestamp.h and version.h headers.
So this change also tidies that up.

I have tested this with in- and out-of-tree builds, but not SPL. I have
looked at various other options for fixing this, including sed on the dep
files, -I- and -include flags to gcc, but I don't think they can be made
to work. Comments welcome.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>

At this point U-Boot will build and run on x86 under Linux.

The idea is to define a new architecture called 'sandbox', alongside ARM
and x86. This runs natively on Linux to suit the host machine. All
hardware access is either omitted or emulated.

The purpose of this system is to test the bulk of the non-hardware-specific
U-Boot code. We can mock the SPI flash, GPIOs, UART and keyboard, then test
that U-Boot behaves as we wish.

Signed-off-by: Simon Glass <sjg@chromium.org>

Since we want want to have a standard GPIO interface, this adds a definition
for this into include/asm-generic/gpio.h.

Signed-off-by: Simon Glass <sjg@chromium.org>

The dependency rules are currently done in a shell 'for' loop. This does not
permit Makefile variables to adjust preprocessor flags as is done with normal
compile flags, using the CFLAGS_path/file.o syntax.

This change moves the dependency generation into the Makefile itself, and
permits a CPPFLAGS_path/file.o to adjust preprocessor flags on a file or
directory basis.

The CPPFLAGS_... variable is also folded into CFLAGS during the build.

Signed-off-by: Simon Glass <sjg@chromium.org>

This fixes a problems when building on some 64-bit machines.

Signed-off-by: Simon Glass <sjg@chromium.org>

This basic provides required features along with a basic command set.

Signed-off-by: Simon Glass <sjg@chromium.org>

This uart simply writes to stdout and reads from stdin. We might imagine
instead buffering the data so that a test interface can check output and
inject input.

Signed-off-by: Simon Glass <sjg@chromium.org>

Add a main program so that we can run U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>

We want to keep all OS-dependent code in once place, with a simple interface
to U-Boot. For now, this is that place.

Signed-off-by: Simon Glass <sjg@chromium.org>

By default sections are 16-byte aligned on some architectures, but the
command name structure (struct cmd_tbl_s) does not have padding to
16 bytes. This reduces the alignment to 4-bytes so that the command
table can be accessed correctly on any architecture.

(Note: this needs doing properly)

Signed-off-by: Simon Glass <sjg@chromium.org>

This is not useful on the sandbox architecture since we can simply link all
our code with U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>

We prefer to U-Boot's malloc but for now it is easier to use the C library's
version.

Signed-off-by: Simon Glass <sjg@chromium.org>

This adds sandbox architecture support to bootm, although it is probably
not useful to load sandbox code into the address space and execute it.

This change at least make the file build correctly on 64-bit machines.

Signed-off-by: Simon Glass <sjg@chromium.org>

This is required for the bdinfo command to work.

Signed-off-by: Simon Glass <sjg@chromium.org>

Fix syntax error.
Signed-off-by: Wolfgang Denk <wd@denx.de>

This adds basic files for the sandbox board. The lds file is very simple
since we can rely mostly on the linker defaults.

Signed-off-by: Simon Glass <sjg@chromium.org>

These files are taken from the ARM board implementation and then reduced
to remove unneeded cruft.

Ideally we would work towards unifying arch/xxx/lib files, particularly
board.c.

Signed-off-by: Simon Glass <sjg@chromium.org>

This is an initial implementation with all functions defined but not working.

The lds file is very simple since we can mostly rely on the linker defaults.

Signed-off-by: Simon Glass <sjg@chromium.org>

This sets __WORDSIZE to 8 correctly on 64-bit machines.

Signed-off-by: Simon Glass <sjg@chromium.org>

We won't actually load an image with this architecture, but we still need to
define it.

Signed-off-by: Simon Glass <sjg@chromium.org>

It is better to use %p in this case.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>

This adds required header files for the sandbox architecture, and a basic
description of what sandbox is (README.sandbox).

Signed-off-by: Simon Glass <sjg@chromium.org>

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Matt Waddel <matt.waddel@linaro.org>

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Matt Waddel <matt.waddel@linaro.org>

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Matt Waddel <matt.waddel@linaro.org>

These options are required to be present in RFC 4578 compliant DHCP
requests. They give more information to DHCP servers to allow serving

different DHCP responses to different systems based on client
architecture, client capabilities, UUID, or vendor.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

Add pxe command, which is intended to mimic PXELINUX functionality.
'pxe get' uses tftp to retrieve a file based on UUID, MAC address or IP
address. 'pxe boot' interprets the contents of PXELINUX config like file
to boot using a specific initrd, kernel and kernel command line.

This patch also adds a README.pxe file - see it for more details on the
pxe command.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

With these documented, we can start pushing towards standardizing their
use across boards.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Mike Frysinger <vapier@gentoo.org>

These are various places I found that checked for conditions equivalent
to isblank.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

This prevents a checkpatch warning in the patch to use isblank

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

Existing ctype checks are implemented using a 256 byte lookup table,
allowing each character to be in any of 8 character classes. Since there
are 8 existing character classes without the blank class, I implemented
isblank without using the lookup table.  Since there are only two blank
characters - tab and space - this is a more reasonable approach than
doubling the size of the lookup table to accommodate one more class.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

This will be used first by the pxe code, but is intended to be
generic and reusable for other jobs in U-boot.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>

commit a45dde22 changed the dm9000
direct register access to standard IO. This should work
on the ColdFire platform as there are corresponding macros for
the LE devices. But the hardware settings on some ColdFire boards had
swapped the byte order which make the original macros such as out_le16
cannot work. To avoid changing the common io access code on ColdFire
platform, the DM9000_BYTE_SWAPPED define was added to make the dm9000 use
__raw* IO access on some ColdFire boards.

Signed-off-by: Jason Jin <Jason.jin@freescale.com>

The function kw_gpio_is_valid returns zero on success, so
adapt the error check accordingly.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Dieter Kiermaier <dk-arm-linux@gmx.de>

The new debug() changes pointed out debug code that rotted a little.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Common U-Boot API wants this define, so import asm/cache.h from Linux
to provide suitable defines.

Acked-by: Anton Staaf <robotboy@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

mx3fb.c was based on CONFIG_LCD and is moved by this patch to
CONFIG_VIDEO, which has greater freedom in selecting videomodes
even at runtime.

This renders the accumulating list of display defines
(CONFIG_DISPLAY_VBEST..., CONFIG_DISPLAY_C057...) obsolete as
these may be setup through env variables:

uboot> setenv mydisplay 'video=ctfb:x:240,y:320,depth:16,mode:0,pclk:185925,
	le:9,ri:17,up:7,lo:10,hs:1,vs:1,sync:100663296,vmode:0'
uboot> setenv videomode ${mydisplay}

This commit also fixes the board config files for qong and
imx31_phycore boards as needed. The videomode settings of
previously supported displays are added to CONFIG_EXTRA_ENV_SETTINGS
now. CONFIG_SYS_MALLOC_LEN for imx31_phycore board is increased
to make the frame buffer allocation working with the changed
driver.

Signed-off-by: Helmut Raiger <helmut.raiger@hale.at>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefano Babic <sbabic@denx.de>