SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So

SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>

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libfdt: move headers to <linux/libfdt.h> and <linux/libfdt_env.h>

Thomas reported U-Boot failed to build host tools if libfdt-devel
package is installed because tools include libfdt headers from
/us

libfdt: move headers to <linux/libfdt.h> and <linux/libfdt_env.h>

Thomas reported U-Boot failed to build host tools if libfdt-devel
package is installed because tools include libfdt headers from
/usr/include/ instead of using internal ones.

This commit moves the header code:
include/libfdt.h -> include/linux/libfdt.h
include/libfdt_env.h -> include/linux/libfdt_env.h

and replaces include directives:
#include <libfdt.h> -> #include <linux/libfdt.h>
#include <libfdt_env.h> -> #include <linux/libfdt_env.h>

Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

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Merge git://git.denx.de/u-boot-x86

bootstage: Provide a separate record count setting for SPL

With SPL we often have limited memory and do not need very many bootstage
records. Add a separate Kconfig option for SPL.

Signed-off-by: S

bootstage: Provide a separate record count setting for SPL

With SPL we often have limited memory and do not need very many bootstage
records. Add a separate Kconfig option for SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

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bootstage: Drop unused options

The CONFIG_BOOTSTAGE_USER_COUNT option is no-longer needed since we can now
support any number of user IDs. Also BOOTSTAGE_ID_COUNT is not needed now.

Drop these unus

bootstage: Drop unused options

The CONFIG_BOOTSTAGE_USER_COUNT option is no-longer needed since we can now
support any number of user IDs. Also BOOTSTAGE_ID_COUNT is not needed now.

Drop these unused options.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

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bootstage: Adjust to use const * where possible

There are a few places that should use const *, such as
bootstage_unstash(). Update these to make it clearer when parameters are
changed.

Signed-off-

bootstage: Adjust to use const * where possible

There are a few places that should use const *, such as
bootstage_unstash(). Update these to make it clearer when parameters are
changed.

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

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bootstage: Tidy up error return values

We should return a proper error number instead of just -1. This helps the
caller to determine what when wrong. Update a few functions to fix this.

Signed-off-

bootstage: Tidy up error return values

We should return a proper error number instead of just -1. This helps the
caller to determine what when wrong. Update a few functions to fix this.

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

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bootstage: Support relocating boostage data

Some boards cannot access pre-relocation data after relocation. Reserve
space for this and copy it during preparation for relocation.

Signed-off-by: Simo

bootstage: Support relocating boostage data

Some boards cannot access pre-relocation data after relocation. Reserve
space for this and copy it during preparation for relocation.

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

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bootstage: Use debug() for stashing messages

We don't normally want to see these messages. Change them to debug-only.

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

bootstage: Show records with a zero time

We can now use the record count to determine whether a record is valid or
not. Drop the test for a zero time.

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

bootstage: Use rec_count as the array index

At present bootstage has a large array with all possible bootstage IDs
recorded. It adds times to the array element indexed by the ID. This is
inefficient

bootstage: Use rec_count as the array index

At present bootstage has a large array with all possible bootstage IDs
recorded. It adds times to the array element indexed by the ID. This is
inefficient because many IDs are not used during boot. We can save space
by only recording those IDs which actually have timestamps.

Update the array to use a record count, which increments with each
addition of a new timestamp. This takes longer to record a time, since it
may involve an array search. Such a search may be particularly expensive
before relocation when the CPU is running slowly or the cache is off. But
at that stage there should be very few records.

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

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bootstage: Fix up code style and comments

There are several code style and comment nits. Fix them and also remove
the comment about passing bootstage to the kernel being TBD. This is
already support

bootstage: Fix up code style and comments

There are several code style and comment nits. Fix them and also remove
the comment about passing bootstage to the kernel being TBD. This is
already supported.

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

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bootstage: Convert to use malloc()

At present bootstage uses the data section of the image to store its
information. There are a few problems with this:

- It does not work on all boards (e.g. those

bootstage: Convert to use malloc()

At present bootstage uses the data section of the image to store its
information. There are a few problems with this:

- It does not work on all boards (e.g. those which run from flash before
relocation)
- Allocated strings still point back to the pre-relocation data after
relocation

Now that U-Boot has a pre-relocation malloc() we can use this instead,
with a pointer to the data in global_data. Update bootstage to do this and
set up an init routine to allocate the memory.

Now that we have a real init function, we can drop the fake 'reset' record
and add a normal one instead.

Note that part of the problem with allocated strings remains. They are
reallocated but this will only work where pre-relocation memory is
accessible after relocation.

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

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bootstage: Require timer_get_boot_us() to be defined

At present we provide a default version of this function for use by
bootstage. However it uses the system timer and therefore likely requires
dri

bootstage: Require timer_get_boot_us() to be defined

At present we provide a default version of this function for use by
bootstage. However it uses the system timer and therefore likely requires
driver model. This makes it impossible to time driver-model init.

Drop the function and require boards to provide their own. Add a sandbox
version also. There is a default implememtation in lib/time.c for boards
which use CONFIG_SYS_TIMER_COUNTER.

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

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Merge git://git.denx.de/u-boot-arm

Conflicts:
board/freescale/mx6qsabrelite/Makefile
board/freescale/mx6qsabrelite/mx6qsabrelite.c
include/configs/mx6qsabrelite.h

Signed-off-by: Stefano Babic <s

Merge git://git.denx.de/u-boot-arm

Conflicts:
board/freescale/mx6qsabrelite/Makefile
board/freescale/mx6qsabrelite/mx6qsabrelite.c
include/configs/mx6qsabrelite.h

Signed-off-by: Stefano Babic <sbabic@denx.de>

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Merge branch 'u-boot/master' into u-boot-arm/master

Add GPL-2.0+ SPDX-License-Identifier to source files

Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>

Add function to print a number with grouped digits

Move bootstage's numbering printing code into a generic place so that it can
be used by tracing also.

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

bootstage: Correct printf types

The unstash code is a bit loose with its printf() types, which gives
warnings on sandbox. Correct this.

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

Merge branch 'u-boot/master' into 'u-boot-arm/master'

Conflicts:
common/cmd_fpga.c
drivers/usb/host/ohci-at91.c

Merge branch 'master' of git://git.denx.de/u-boot-x86

bootstage: Allow marking a particular line of code

Add a function which allows a (file, function, line number) to be marked
in bootstage.

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

bootstage: Allow marking a particular line of code

Add a function which allows a (file, function, line number) to be marked
in bootstage.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Che-Liang Chiou <clchiou@chromium.org>

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bootstage: Copy bootstage strings post-relocation

Any pointers to name strings that were passed to bootstage_mark_name()
pre-relocation should be copied post-relocation so that they don't get
trashe

bootstage: Copy bootstage strings post-relocation

Any pointers to name strings that were passed to bootstage_mark_name()
pre-relocation should be copied post-relocation so that they don't get
trashed as the original location of U-Boot is re-used for other
purposes.

This change introduces a new API call that should be called from
board_init_r() after malloc has been initted on any board that uses
bootstage.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

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Merge branch 'agust@denx.de-next' of git://git.denx.de/u-boot-staging

bootstage: Add feature to stash/unstash bootstage info

It is useful to be able to write the bootstage information to memory for
use by a later utility, or the Linux kernel. Provide a function to do

bootstage: Add feature to stash/unstash bootstage info

It is useful to be able to write the bootstage information to memory for
use by a later utility, or the Linux kernel. Provide a function to do
this as well as a function to read bootstage information back and incorporate
it into the current table.

This also makes it possible for U-Boot to chain to another U-Boot and pass
on its bootstage information.

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

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