| Commit message (Collapse) | Author | Age | Files | Lines |
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Most of the Kconfig commands (except defconfig and all*config) read
the .config file as a base set of CONFIG options.
When it does not exist, the files in DEFCONFIG_LIST are searched in
this order and loaded if found.
This is not working for barebox because ARCH_DEFCONFIG is not set by
anyone, nor arch/$(ARCH)/defconfig exists.
Fix this.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some Kconfig options we have are promptless and off-by-default and
instead can only be enabled by being selected from platform options.
For some of those that aren't compile testable, add a new
COMPILE_TEST-only prompt.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Compile-time analysis may help us catch latent bugs in barebox. For this
to be most effective, we need an easy way to compile as much of barebox
as possible. Giving all driver options prompts would do this, but at the
cost of making user experience worse, by asking them about drivers for HW
that's clearly not relevant to the platform they selected.
Do as Linux does and provide a default-off COMPILE_TEST option, which we
can use to make extra drivers selectable.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add a OP-TEE early loading function which expects a pointer to a valid
tee binary and the device tree. OP-TEE will then be started and barebox
will continue to run in normal mode.
The function start_optee_early should be used in a boards lowlevel.c
file. Ensure that barebox has been relocated and a proper c environment
has been setup beforehand. Depending on the OP-TEE configuration, the
fdt will be modified. If the internal barebox device tree is passed,
OP-TEE will overwrite barebox PBL memory during this modification. Copy
the fdt to a save memory location beforehand to avoid a corruption of
barebox PBL memory.
This also moves the OP-TEE Kconfig symbols into a separate menu.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The barebox update infrastructure is also useful without
CONFIG_CMD_BAREBOX_UPDATE (e.g. from a own barebox_main() with
CONFIG_SHELL_NONE).
Signed-off-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add a new imd type "checksum". This type consists of the CRC32 checksum
of the whole barebox image minus the checksum itself.
The checksum can be written to the imd field with the bareboximd host-tool.
It can be verified with said tool or with "imd" on the target.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently, the default environment is only used when the
barebox environment on the persistent store is not valid
or when ENVFS_FLAGS_FORCE_BUILT_IN is set in the super block.
However, ENVFS_FLAGS_FORCE_BUILT_IN can be cleared and the
environmnet variables in the persistent store will be
used again. This may not be desirable.
This patch allows building CONFIG_DEFAULT_ENVIRONMENT
independent of CONFIG_ENV_HANDLING. This can be useful
if you never want to load or write values from the
persistent store and you only need to read environment variables
from your default environment.
If CONFIG_ENV_HANDLING is not set, a message will be printed to the
user indicating that changes to non-volatile variables won't be
persisted.
Move envfs functions that are needed when CONFIG_DEFAULT_ENVIRONMENT
and/or CONFIG_ENV_HANDLING is set to a new file common/envfs-core.c.
Signed-off-by: Albert Schwarzkopf <a.schwarzkopf@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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ARMv4 does not support the bkpt mnemonic. Rather than trying to work
around this, just disable this feature for ARMv4. On Tegra the PBL
runs on the ARM720T co-processor, so we also need to disable the option
for this SoC architecture.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Cc: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Roland Hieber <rhi@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds functionality to pass device-specific information that
will be hashed to generate a persistent unique machine id. It is then
available as global.machine_id. It can be overwritten with
nv.machine_id if necessary. Passing the machine id to the kernel is
done in a separate patch.
Note: if multiple sources provide hashable device-specific information
(via machine_id_set_hashable()) the information provided by the last call
prior to the late initcall set_machine_id() is used to generate the
machine id from. Thus when updating barebox the machine id might change.
Signed-off-by: Bastian Krause <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add hardware description, chip identification and clock changes to
support the sama5d2 SoC.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With the addition of 15afd9d25 ("ARM: at91: Add initial support for the
EVB-KSZ9477 eval board"), we now have two multi-image capable boards
supported, but users still have to choose a specific SoC, so they can't
be selected at the same time.
Fix this, by restricting the menu to the non-multi-image configurations,
i.e. CONFIG_ARCH_* symbols become specific to non-multi-image.
The multi-image configurations on the other hand directly select the
CONFIG_SOC_* symbol they require. Existing CONFIG_ARCH_* usage is
adjusted to align with the new usage.
Eventually, we would want to have a at91_multi_defconfig along with
this, but for now leave existing configs as is.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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-fsanitize=[kernel-]address-sanitizer allows compile-time instrumentation
of memory accesses to detect some classes of runtime undefined behavior.
In preparation for allowing arches to provide infrastructure in support
of this feature, add the generic KASAN options.
These are only shown in the debug menu when the arch selects the
appropriate symbol. The option is named equally to their Linux counterparts.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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-fsanitize=undefined allows compile-time instrumentation of code to detect
some classes of runtime undefined behavior.
In preparation for allowing arches to provide infrastructure in support
of this feature, add some generic UBSAN options and associated plumbing.
These are only shown in the debug menu when the arch selects the
appropriate symbol. The option is named equally to their Linux counterparts.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With this option barebox will be build with breakpoint instruction
in early pbl stage.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The ELF file should have debug symbols, the binary should have no symbols any way.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is in line with other platforms such as i.MX, which allow
specifying a debug port. As we can't use port indices because
the UARTs aren't mapped consecutively, allow specifying a hex
base at configuration time.
A side effect of this patch is that sama5d4's HAVE_AT91_DBGU2
is now honored as well. Previously anything besides DBGU0
defaulted to DBGU1.
Fixes: 06a0773ee31 ("ARM: at91: add sama5d4 soc support #2")
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
[afa: moved base address defaults to common/Kconfig]
Signed-off-by: Ahmad Fatoum <afa@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds initial support for OP-TEE, see https://www.op-tee.org/
barebox starts in secure mode as usual. When booting a kernel
the bootm code also loads the optee_os binary. Instead of jumping
into the kernel barebox jumps into the optee_os binary and puts
the kernel execution address into the lr register. OP-TEE then
jumps into the kernel in nonsecure mode.
The optee_os binary is passed with the -t option to bootm or
with global.bootm.tee.
Optionally OP-TEE can be compiled into barebox using the builtin firmware
feature. Enable the Kconfig option and place or link your tee binary as
optee.bin into the firmware directory.
The amount of SDRAM which is kept free for OP-TEE is configurable.
This patch was tested on a i.MX6 Nitrogen6x board.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Based on Linux commit 8636a1f9677db4f883f29a072f401303acfc2edd
This will be needed when you sync Kconfig with Linux 5.0 or later.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds basic Layerscape support:
- Makefile/Kconfig
- Register maps
- errata workarounds
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This points out how to actually use BOOTM_FITIMAGE_SIGNATURE.
Signed-off-by: Bastian Krause <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Our cyc_crc16() function is the same function as crc_itu_t() in the
Linux kernel. Import and use crc_itu_t() from the Kernel for
consistency.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Now that we support the miniuart as lowlevel debug UART clarify that
the other UARTs are PL011.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The raspberry pi 3 comes up with the mini UART as default, so allow to
use it for debug_ll output.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In contrast to other architectures, R.Pi debug UART config was placed
under the "System Type" menu, not under the "Debugging -> low-level
debugging port". This made this setting easy to miss when enabling low
level debug mesages.
While at it use the existing base address defines rather than defining
them again in Kconfig.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adopts the help text used in Linux for the same setting. It
clarifies that a build with DEBUG_LL enabled will only work on the
system you chose the debug UART for.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For platforms such as the at91, the boot ROM imposes an upper limit
on barebox file size. Prior to 5a1a5ed253 ("ARM: images: use piggydata"),
BAREBOX_MAX_PBLX_SIZE seems to have been the way to go for limiting
the size of the final barebox binary when using the PBL.
With pblx removed, this variable is of no use, so have the existing
BAREBOX_MAX_IMAGE_SIZE replace its functionality.
Currently BAREBOX_MAX_IMAGE_SIZE is only checked against in the non-PBL
case, so add a check in the PBL case as well.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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global.net.server may contain a hostname, so we have to resolve it
before using it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The default environment uses the ip_route_get command, so select it
when networking is enabled.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The previous sync was commit 18895514dc5e ("kconfig: update to
v3.18-rc6").
Some commits were applied on top of that since then, but equivalent
fixups were done in Linux.
So, this commit overwrites everything scripts/kconfig/ with the one
from Linux 4.20
Highlights:
- 'silentoldconfig' has been renamed to 'syncconfig'
(the top Makefile needs to be adjusted)
- 'testconfig' target has been added for unit-tests
(the top Makefile needs to export PYTHON3 because
the test frame relies on Python3 and pytest)
- The perfect hash table generated by gperf has been removed
- The localization support has been removed
- The 'option env=VAR' has been replaced with more generic
variable reference syntax $(VAR)
(./Kconfig and common/Kconfig need to be adjusted)
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Use global variable dfu_function to autostart DFU. As similar code
is used to start multifunction gadget using command, move common
code to common/usbgadget.c and consolidate it.
It turned out that '-s' option of usbgadget command does nothing,
so remove its help text and make it function as '-a'.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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blspec can be read also from jffs2 or ubifs, so remove BLOCK dependency
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This parser is needed for kernel boot support on MIPS
and can potentially reused on other platforms.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
[andrew.smirnov@gmail.com: Added imx8_uart_setup_ll()]
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds aarch64 support for relocating binaries linked with -pie.
Support is integrated into the already exisiting
relocate_to_current_adr() function which is now used for both arm32
and aarch64.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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