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In some cases it is necessary to pass parameters to Linux so that it will
boot correctly. For example, the rootdev parameter is often used to
specify the root device. However the root device may change depending on
whence U-Boot loads the kernel. At present it is necessary to build up
the command line by adding device strings to it one by one.
It is often more convenient to provide a template for bootargs, with
U-Boot doing the substitution from other environment variables.
Add a way to substitute strings in the bootargs variable. This allows
things like "rootdev=${rootdev}" to be used in bootargs, with the
${rootdev} substitution providing the UUID of the root device.
For example, to substitute the GUID of the kernel partition:
setenv bootargs "console=/dev/ttyS0 rootdev=${uuid}/PARTNROFF=1
kern_guid=${uuid}"
part uuid mmc 2:2 uuid
bootm
This is particularly useful when the command line from another place. For
example, Chrome OS stores the command line next to the kernel itself. It
depends on the kernel version being used as well as the hardware features,
so it is extremely difficult to devise a U-Boot script that works on all
boards and kernel versions. With this feature, the command line can be
read from disk and used directly, with a few substitutions set up.
Signed-off-by: Simon Glass <[email protected]>
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At present cli_simple_process_macros() requires that the caller provide
an output buffer that is exactly CONFIG_SYS_CBSIZE bytes in length. This
makes sense since it is designed to be used from the command line. But we
also want to use it for bootargs substitution.
Update the function to allow the caller to specify the buffer size. Also
return an error if the buffer is exhausted. The caller can ignore that if
preferred.
Signed-off-by: Simon Glass <[email protected]>
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At present we only support updating the 'bootargs' environment
variable. Add another function to update a buffer instead. This will
allow zimage to use this feature.
Also add a lot more tests to cover various cases.
Signed-off-by: Simon Glass <[email protected]>
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At present only one transformation is supported: making the Linux console
silent. To prepare for adding more, convert the boolean parameter into a
flag value.
Signed-off-by: Simon Glass <[email protected]>
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At present bootm_process_cmdline_env() reads the 'bootargs' variable and
then writes it back afterwards. This is painful for tests, which would
rather use a simple buffer.
It is also useful for zimage to use a buffer, since it does not actually
put the Linux command line in the bootargs variable.
Refactor the existing code into two pieces. One handles reading and
writing the environment variable, as well as allocating a buffer for use
by the rest of the code, which now operates on a buffer.
Signed-off-by: Simon Glass <[email protected]>
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Use the size (including terminator) for in this function, rather than
the length. This is arguably easier to follow, with the coming
refactor.
Signed-off-by: Simon Glass <[email protected]>
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This function will soon do more than just handle the 'silent linux'
feature. As a first step, update it to take a boolean parameter,
indicating whether or not the processing is required.
Signed-off-by: Simon Glass <[email protected]>
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We want to add more processing to this function. Before doing so, rename
it to bootm_process_cmdline_env(), which is more generic.
Signed-off-by: Simon Glass <[email protected]>
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At present this function fails silently on error. Update it to produce
an error code. Report this error to the user and abort the boot, since it
likely will prevent a successful start.
No tests are added at this stage, since additional refactoring is taking
place in subsequent patches.
Signed-off-by: Simon Glass <[email protected]>
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This function currently has no tests. Export it so that we can implement
a simple test on sandbox. Use IS_ENABLED() to remove the unused code,
instead #ifdef.
Signed-off-by: Simon Glass <[email protected]>
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Newer platforms use the LOAD_IMAGE_V2 parameter passing method. Add
support for it.
Signed-off-by: Michael Walle <[email protected]>
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bl2_to_bl31_params_mem is just an implementation detail of the SPL ATF
support and is not needed anywhere else. Move it from the header to the
actual module.
Signed-off-by: Michael Walle <[email protected]>
Acked-by: Michal Simek <[email protected]>
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Move the actual implementation of the bl2_plat_get_bl31_params() to its
own function. The weak function will just call the default
implementation. This has the advantage that board code can still call
the original implementation if it just want to modify minor things.
Signed-off-by: Michael Walle <[email protected]>
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There is no need to have the storage available globally. This is also a
preparation for LOAD_IMAGE_V2 support. That will introduce a similar
generator function which also has its own storage.
Signed-off-by: Michael Walle <[email protected]>
Acked-by: Michal Simek <[email protected]>
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Capsule data can be loaded into the system either via UpdateCapsule
runtime service or files on a file system (of boot device).
The latter case is called "capsules on disk", and actual updates will
take place at the next boot time.
In this commit, we will support capsule on disk mechanism.
Please note that U-Boot itself has no notion of "boot device" and
all the capsule files to be executed will be detected only if they
are located in a specific directory, \EFI\UpdateCapsule, on a device
that is identified as a boot device by "BootXXXX" variables.
Signed-off-by: AKASHI Takahiro <[email protected]>
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Since update_flash() is used only in update_tftp(), it should be
guarded with appropriate config options.
After the commit 3149e524fc1e, common/update.c will be built under
either CONFIG_UDATE_TFTP, CONFIG_DFU_TFTP or CONFIG_UPDATE_FIT.
Since CONFIG_UPDATE_FIT, hence fit_update(), doesn't rely on
update_flash(), the compiler may cause an "unused" warning if
CONFIG_UPDATE_FIT=y and CONFIG_UPDATE_TFTP=n and CONFIG_DFU_TFTP=n.
This is, for example, the case for sandbox defconfig where
EFI_CAPSULE_FIRMWARE_FIT is enabled for test purpose.
Fixes: 3149e524fc1e ("common: update: add a generic interface for FIT
image")
Signed-off-by: AKASHI Takahiro <[email protected]>
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Since update_flash() is used only in update_tftp(), it should be
guarded with appropriate config options.
After the commit 3149e524fc1e, common/update.c will be built under
either CONFIG_UDATE_TFTP, CONFIG_DFU_TFTP or CONFIG_UPDATE_FIT.
Since CONFIG_UPDATE_FIT, hence fit_update(), doesn't rely on
update_flash(), the compiler may cause an "unused" warning if
CONFIG_UPDATE_FIT=y and CONFIG_UPDATE_TFTP=n and CONFIG_DFU_TFTP=n.
This is, for example, the case for sandbox defconfig where
EFI_CAPSULE_FIRMWARE_FIT is enabled for test purpose.
Fixes: 3149e524fc1e ("common: update: add a generic interface for FIT
image")
Signed-off-by: AKASHI Takahiro <[email protected]>
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This commit add the support of signature check for config node
in spl/tpl when the function spl_load_simple_fit is used.
Signed-off-by: Philippe Reynes <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Move CONFIG_SYS_PROMPT_HUSH_PS2 in Kconfig, depending
on CONFIG_HUSH_PARSER, and remove the default value defined
in cli_hush.c under __U_BOOT__.
Signed-off-by: Patrick Delaunay <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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At present these values are open-coded in a few places. Add constants so
the meaning is clear.
Also add a comment to cmd_get_data_size()
Signed-off-by: Simon Glass <[email protected]>
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The debug statement doesn't end with a newline. Add it.
Signed-off-by: Michael Walle <[email protected]>
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This uclass is intended to provide a way to obtain information about a
U-Boot board. But the concept of a U-Boot 'board' is the whole system,
not just one circuit board, meaning that 'board' is something of a
misnomer for this uclass.
In addition, the name 'board' is a bit overused in U-Boot and we want to
use the same uclass to provide SMBIOS information.
The obvious name is 'system' but that is so vague as to be meaningless.
Use 'sysinfo' instead, since this uclass is aimed at providing information
on the system.
Rename everything accordingly.
Note: Due to the patch delta caused by the symbol renames, this patch
shows some renamed files as being deleted in one place and created in
another.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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Add logging for each part of the boot process, using a new
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Reviewed-by: Igor Opaniuk <[email protected]>
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At present CONFIG_CHROMEOS is used to determine whether verified boot is
in use. The code to implement that is not in U-Boot mainline.
However, it is useful to be able to boot a Chromebook in developer mode
in U-Boot mainline without needing the verified boot code.
To allow this, use CONFIG_CHROMEOS_VBOOT to indicate that verified boot
should be used, and CONFIG_CHROMEOS to indicate that the board supports
Chrome OS. That allows us to define CONFIG_CHROMEOS on coral.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Pull request for UEFI sub-system for efi-2021-01-rc2 (2)
The series contains the following enhancements
* preparatory patches for UEFI capsule updates
* initialization of the emulated RTC using an environment variable
and a bug fix
* If DisconnectController() is called for a child controller that is the
only child of the driver, the driver must be disconnected.
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https://gitlab.denx.de/u-boot/custodians/u-boot-dm
of-platdata and dtoc improvements
sandbox SPL tests
binman support for compressed sections
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This is the complement of the existing behavior to match only messages with
a log level less than a threshold. This is primarily useful in conjunction
with LOGFF_DENY.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Without this flag, log filters can only explicitly accept messages.
Allowing denial makes it easier to filter certain subsystems. Unlike
allow-ing filters, deny-ing filters are added to the beginning of the
filter list. This should do the Right Thing most of the time, but it's
less-universal than allowing filters to be inserted anywhere. If this
becomes a problem, then perhaps log_filter_add* should take a filter number
to insert before/after.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This function exposes a way to specify flags when creating a filter.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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These functions are required by "cmd: log: Add commands to manipulate
filters" and "test: Add a test for log filter-*".
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Both these arrays and their members are const. Fixes checkpatch complaint.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Errors returned should be negative.
Fixes: 45fac9fc18 ("log: Correct missing free() on error in log_add_filter()")
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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If this option, CONFIG_EFI_SETUP_EARLY, is enabled, the initialisation
of UEFI subsystem will be done as part of U-Boot initialisation.
Please note that this option won't be enabled explicitly by users,
instead, should be enabled implicitly by other configuration options.
Specifically, this feature will be utilised in implementing capsule-on-disk
feature.
Signed-off-by: AKASHI Takahiro <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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The main purpose of this patch is to separate a generic interface for
updating firmware using DFU drivers from "auto-update" via tftp.
This function will also be used in implementing UEFI capsule update
in a later commit.
Signed-off-by: AKASHI Takahiro <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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The range of an addressable pointer can go beyond 'integer'.
So change the argument type to a void pointer.
Signed-off-by: AKASHI Takahiro <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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This function is essentially independent from tftp, and will also be
utilised in implementing UEFI capsule update in a later commit.
So just give it a more generic name.
In addition, a new configuration option, CONFIG_DFU_WRITE_ALT, was
introduced so that the file will be compiled with different options,
particularly one added in a later commit.
Signed-off-by: AKASHI Takahiro <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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At present this option results in a number of #ifdefs due to the presence
or absence of the global_data of_root member.
Add a few macros to global_data.h to work around this. Update the code
accordingly.
Signed-off-by: Simon Glass <[email protected]>
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https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze
Xilinx changes for v2021.01-v2
common:
- Add support for 64bit loadables from SPL
xilinx:
- Update documentation and record ownership
- Enable eeprom board detection based legacy and fru formats
- Add support for FRU format
microblaze:
- Optimize low level ASM code
- Enable SPI/I2C
- Enable distro boot
zynq:
- Add support for Zturn V5
zynqmp:
- Improve silicon detection code
- Enable several kconfig options
- Align DT with the latest state
- Enabling security commands
- Enable and support FPGA loading from SPL
- Optimize xilinx_pm_request() calling
versal:
- Some DTs/Kconfig/defconfig alignments
- Add binding header for clock and power
zynq-sdhci:
- Add support for tap delay programming
zynq-spi/zynq-qspi:
- Use clock framework for getting clocks
xilinx-spi:
- Fix some code issues (unused variables)
serial:
- Check return value from clock functions in pl01x
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This will probe the multiplexer devices that have a "u-boot,mux-autoprobe"
property. As a consequence they will be put in their idle state.
Signed-off-by: Jean-Jacques Hiblot <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Pratyush Yadav <[email protected]>
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The log command has led to NULL dereferences if an unknown category name
name was used due to missing entries in the list of category names.
Add compile time checks for the array sizes of log_cat_name and
log_lvl_name to avoid future mishaps.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Some drivers use macro pr_cont() for continuing a message sent via printk.
Hence if we want to convert printk messaging to using the logging system,
we must support continuation of log messages too.
As pr_cont() does not provide a message level we need a means of
remembering the last log level.
With the patch a pseudo log level LOGL_CONT as well as a pseudo log
category LOGC_CONT are introduced. Using these results in the application
of the same log level and category as in the previous log message.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Replace the static variable processing_msg by a field in the global data.
Make the field bool at it can only be true or false.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The commit 9f45aeb93727 ("spl: fit: implement fdt_record_loadable") which
introduced fdt_record_loadable() state there spl_fit.c is not 64bit safe.
Based on my tests on Xilinx ZynqMP zcu102 platform there shouldn't be a
problem to record these addresses in 64bit format.
The patch adds support for systems which need to load images above 4GB.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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SPL is creating fit-images DT node when loadables are recorded in selected
configuration. Entries which are created are using entry-point and
load-addr property names. But there shouldn't be a need to use non standard
properties because entry/load are standard FIT properties. But using
standard FIT properties enables option to use generic FIT functions to
descrease SPL size. Here is result for ZynqMP virt configuration:
xilinx_zynqmp_virt: spl/u-boot-spl:all -82 spl/u-boot-spl:rodata -22 spl/u-boot-spl:text -60
The patch causes change in run time fit image record.
Before:
fit-images {
uboot {
os = "u-boot";
type = "firmware";
size = <0xfd520>;
entry-point = <0x8000000>;
load-addr = <0x8000000>;
};
};
After:
fit-images {
uboot {
os = "u-boot";
type = "firmware";
size = <0xfd520>;
entry = <0x8000000>;
load = <0x8000000>;
};
};
Replacing calling fdt_getprop_u32() by fit_image_get_entry/load() also
enables support for reading entry/load properties recorded in 64bit format.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Remove CONFIG_VIDEO dependency to fix board removal warnings.
Signed-off-by: Anatolij Gustschin <[email protected]>
Cc: Jens Scharsig <[email protected]>
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It doesn't need to consider start byte address.
If ramdisk size is 0x800000 and start address is 0x2700000, then it's
used until 0x02efffff, not 0x02f00000. But it's detected to overlapt RD
image, when kernel start address is 0x02f00000.
Because it's doing wrong calculation about rd_len.
This patch fixed wrong calculation address position when check
condition.
In addition, it needs to check one more condition about overlapping
entire area.
Fixes: commit fbde7589ce30 ("common: bootm: add checks to verify if ramdisk / fdtimage overlaps OS image")
Signed-off-by: Jaehoon Chung <[email protected]>
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- sun8i emac changes (Andre)
- SCP firmware (Samuel)
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Remove the default value "usb start" for CONFIG_USB_STORAGE as the USB
storage boot initialization is correctly managed by distro boot command
('usb_boot' defined in include/config_distro_bootcmd.h already include
the command 'usb start').
Fixes: 324d77998ed6 ("Define default CONFIG_PREBOOT with right config option")
Signed-off-by: Patrick Delaunay <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The sandbox is built with the SDL2 library with invokes the X11 library
which in turn calls getc(). But getc() in glibc is defined as
int getc(FILE *)
This does not match our definition.
int getc(void)
The sandbox crashes when called with parameter -l.
Rename our library symbol getc() to getchar().
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This code is intended do prevent one from setting a shell variable abc
by doing
abc=123
if an environment variable named abc already exists. However, the
check is broken, since the env_get is done before the split on =, so
we look up whether an environment variable "abc=123" exists, which is
obviously never the case.
One could move the code to below the split on =, but instead, just
remove it, saving a little .text: The check has never worked as
intended (it goes all the way back to the initial git commit), and it
would anyway not guard against one first setting the shell variable,
then doing 'env set abc xyz'.
Signed-off-by: Rasmus Villemoes <[email protected]>
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