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We have a few options that we cannot enable in a "allyesconfig" type
build because we cannot use zero as a default value.
- The logic around HAS_BOARD_SIZE_LIMIT assumes that if we have set this
then we compare with it. Similarly, we need to set SPL_NO_BSS_LIMIT as
the default there.
- Both SYS_CUSTOM_LDSCRIPT and ENV_USE_DEFAULT_ENV_TEXT_FILE then prompt
for a file name to use.
- The SYS_I2C_SOFT driver is a legacy driver which requires a lot of
configuration within the board config. file instead, so disable it.
Signed-off-by: Tom Rini <trini@konsulko.com>
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This symbol is not something that the user should be enabling or
disabling but rather the developer for a particular board should select
it when required.
This is mostly size neutral, however a few places do have changes. In
the case of i.MX6ULL systems, it is always the case that
arch_misc_init() could call setup_serial_number() and do useful work,
but was not enabled widely, but now is. In the case of i.MX23/28
systems, we should be able to call mx28_fixup_vt() again here, so do so.
Finally, some platforms were calling arch_misc_init() and then not doing
anything and this results in removing the option.
Acked-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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- SH Ether clean ups, RZ/A1 clean ups, RZ/A1 Genmai support
- Gen3 EEPROM DT node clean up
- V4H SA0 BootROM compatible binman etype, SCIF compatible SREC
generation for Gen4
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Add Renesas R-Car Gen4 SCIF/HSCIF loader compatible SREC generation.
This is a regular U-Boot SPL SREC augmented with a short header which
describes where to store the received data and how much data to store.
This header is interpreted by the R-Car Gen4 BootROM SCIF/HSCIF loader.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
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This file was making environment calls without including <env.h> and so
relying on an indirect inclusion from elsewhere. Add the missing include
directly.
Signed-off-by: Tom Rini <trini@konsulko.com>
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The variable base is unsigned so >= 0 is always true. Fix this test
so that it is actually useful. The fix prevents the code from causing
a segfault in the case where Ctrl-w is pressed on a line consisting
only of spaces.
Fixes: dcc18ce0dbaf ("cli: Implement delete-word in cread_line()")
Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
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Heinrich Schuchardt <heinrich.schuchardt@canonical.com> says:
spl_fit_get_image_name() used to lack a detection of malformed image name
properties in FIT images. The change in commit 3704b888a4ca ("common/spl:
fix potential out of buffer access in spl_fit_get_image_name function")
tried to fix this but led to function spl_fit_get_image_name() no longer
detecting if a property at index > 1 does not exist.
This patch is reverted.
An explicit check for malformed image name properties is introduced.
Link: https://lore.kernel.org/u-boot/38f5d078-3328-4bdb-9c95-4fb5fe89ddc2@gmx.de/T/#u
Link: https://lore.kernel.org/r/20250624153431.46986-1-heinrich.schuchardt@canonical.com
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A malformed FIT image could have an image name property that is not NUL
terminated. Reject such images.
Reported-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Tested-by: E Shattow <e@freeshell.de>
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spl_fit_get_image_name function
The change in commit 3704b888a4ca ("common/spl: fix potential out of buffer
access in spl_fit_get_image_name function") led to function
spl_fit_get_image_name() no longer detecting if a property does not exist
at a non-zero buffer.
Link: https://lore.kernel.org/u-boot/38f5d078-3328-4bdb-9c95-4fb5fe89ddc2@gmx.de/T/#m59f3a23e675daa992c28d12236de71cae2ca2bb9
Fixes: 3704b888a4ca ("common/spl: fix potential out of buffer access in spl_fit_get_image_name function")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Tested-by: E Shattow <e@freeshell.de>
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The Allwinner A100 SoC has been around for a while, mostly on cheap
tablets, but didn't generate much interest in the community so far.
There were some efforts by two Allwinner employees in 2020, which led
to basic upstream Linux support for that SoC, although this momentum
dried up pretty quickly, leaving a lot of peripherals unsupported.
The A100 was silently replaced with the seemingly identical Allwinner
A133, which is reportedly a better bin of the A100. So far we assume
that both are compatible from a software perspective. There are some
more devices with the A133 out there now, so people are working on
filling the gaps, and adding U-Boot (and TF-A) support.
Based on the just added pinctrl, clock and DRAM support, this adds the
missing bits, mostly addresses and values for the SPL.
The A133 seems to be an predecessor to the H6, so we can share a lot of
code with that (and the H616 code), and just need to adjust some details.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Prepare v2025.07-rc5
With this merge, tighten up the LTO_FLAGS removal we added to not
trigger on ARMv7 (which is Thumb-2 and should be fine).
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Commit 6fe50e395080 ("arm: asm/system.h: mrc and mcr need .arm if
__thumb2__ is not set") is not a proper fix for the LTO link error
mentioned in its description. It causes 32-bit arm instructions to be
mixed with thumb instructions, which the Kirkwood SoCs do not support.
For example, board_init_r() is mostly generated in Thumb-1 mode as
expected since the build flags contain -mthumb -mthumb-interwork. The
MCR instruction corresponding to writefr_extra_feature_reg() is also
correcly emitted as a 32-bit ARM instruction (it cannot be encoded in
Thumb-1 anyways). The problem is, the compiler inlines the MCR without
generating the BX or BLX instruction which are needed to transition
between the ARM and the Thumb-1 states. From the objdump output:
006186a0 <board_init_r>:
board_init_r():
/home/jerome/work/u-boot/common/board_r.c:799
6186a0: b5f0 push {r4, r5, r6, r7, lr}
6186a2: b0ab sub sp, #172 @ 0xac
get_gd():
/home/jerome/work/u-boot/./arch/arm/include/asm/global_data.h:127
6186a4: 464a mov r2, r9
...
/home/jerome/work/u-boot/arch/arm/mach-kirkwood/cpu.c:242
619aae: 9b15 ldr r3, [sp, #84] @ 0x54
writefr_extra_feature_reg():
/home/jerome/work/u-boot/./arch/arm/include/asm/arch/cpu.h:100
619ab0: ee2f3f11 mcr 15, 1, r3, cr15, cr1, {0}
^^^^^^^^
32-bit ARM instruction
Further investigation is needed to understand how to fix the issue so
that the code size is minimal for all boards. In the mean time, this
fix disables LTO for the two problematic files (common/board_f.c and
common/board_r.c). This makes the Kirkwood-based boards bootable again.
The binary size is increased by 1048 bytes which is perfectly
acceptable.
Fixes: 6fe50e395080 ("arm: asm/system.h: mrc and mcr need .arm if __thumb2__ is not set")
Reported-by: Tony Dinh <mibodhi@gmail.com>
Tested-by: Tony Dinh <mibodhi@gmail.com>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Marek Vasut <marek.vasut+renesas@mailbox.org> says:
Rename the environment related variables and add ENV_ prefix, so that
all configuration options which are related to environment would have
an CONFIG_ENV_ prefix. No functional change.
Link: https://lore.kernel.org/r/20250609192701.20260-1-marek.vasut+renesas@mailbox.org
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There are no users of DELAY_ENVIRONMENT and the same effect can
be achieved either using DT /config/load-environment property,
or by using ENV_IS_NOWHERE . Remove this configuration option
and matching functionality.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
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Rename the variable and add ENV_ prefix, so that all configuration
options which are related to environment would have an CONFIG_ENV_
prefix. No functional change.
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
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This fix a possible NULL pointer dereference.
There is also a risk of memory leaking within the same portion of code.
The leak will happen if loaded image is bad or damaged. In this case
u-boot-spl will try booting from the other available media. Unfortunately
resources allocated for previous boot media will NOT be freed.
We can't fix that issue as the memory allocation mechanism used here
is unknown. It can be different kinds of malloc() or something else.
To somewhat reduce memory consumption, one can try to reuse previously
allocated memory as it's done in board_spl_fit_buffer_addr() from
test/image/spl_load.c.
The corresponding comment was put to the code as well.
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Anshul Dalal <anshuld@ti.com>
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load_simple_fit() returns -EPERM for the images with broken signatures.
Unfortunately this may conflict with image loaging selection on the base
of boot phase. See commit 873112db9ce68c38984ff25808dde726f8dd5573
("spl: Support selecting images based on phase in simple FIT").
Thus loading of
configurations {
uboot {
description = "u-boot";
firmware = "atf";
loadables = "atf", "tee", "uboot";
};
};
with damaged "tee" image may finish without errors. This may results in
board bricking.
This patch fixes commit 873112db9ce68c38984ff25808dde726f8dd5573
("spl: Support selecting images based on phase in simple FIT")
by replacing EPERM with EBADSLT places where it should be done.
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
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function
The current code have two issues:
1) ineffective NULL pointer check
str = strchr(str, '\0') + 1
if (!str || ...
The str here will never be NULL (because we add 1 to result of strchr())
2) strchr() may go out of the buffer for the special forms of name variable.
It's better use memchr() function here.
According to the code the property is a sequence of C-string like
shown below:
'h', 'e', 'l', 'l', 'o', '\0', 'w', 'o', 'r', 'l', 'd', '\0', '!', '\0'
index is the string number we are interested, so
index = 0 => "hello",
index = 1 => "world",
index = 2 => "!"
The issue will arrise if last string for some reason have no terminating
'\0' character. This can happen for damaged or specially crafted dtb.
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Tom Rini <trini@konsulko.com>
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This function is currently a misnomer at times as we have cases where it
passes arguments to the image. In preparation for making that be a more
common case rename this function to jump_to_image(...). In order to do
this, rename jump_to_image in board_init_r(...) to jumper so that we do
not have a conflict.
Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Reword the commit message, adding missing cases of
jump_to_image_no_args()]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Prepare v2025.07-rc4
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On several RISC-V boards we have seen that 1 MiB is a insufficient value
for CONFIG_SPL_SYS_MALLOC_SIZE.
For instance qemu-riscv32_spl_defconfig fails booting because u-boot.itb
exceeds 1 MiB.
8 MiB is a reasonable value that allows adding FPGA blobs or splash images
to main U-boot.
Reported-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
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Permit to select a bootmenu entry with a key shortcut. This is
especially useful in production or testing scenario to automate flashing
procedure or testing procedure.
The boot entry are changed to append the shortcut key to it.
Example:
1. Run default boot command.
2. Boot system via TFTP.
3. Boot production system from NAND.
4. Boot recovery system from NAND.
5. Load production system via TFTP then write to NAND.
6. Load recovery system via TFTP then write to NAND.
7. Load BL31+U-Boot FIP via TFTP then write to NAND.
8. Load BL2 preloader via TFTP then write to NAND.
9. Reboot.
a. Reset all settings to factory defaults.
0. Exit
0 is always reserved for Exit to console.
On pressing the keyboard key 2, the bootmenu entry 2 is selected and
executed.
Up to 34 key shortcut (0 excluded as reserved) are supported from 1-9
and a-z.
If a shortcut key not present in the bootmenu list is pressed, it is
simply ignored and eventually the autoboot is interrupted.
Capital A-Z are converted to lower a-z and the related option is
selected.
Suggested-by: Weijie Gao <weijie.gao@mediatek.com>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Tested-by: Petr Štetiar <ynezz@true.cz>
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https://source.denx.de/u-boot/custodians/u-boot-microblaze
AMD/Xilinx/FPGA changes for v2025.07-rc4
usb:
- Fix regulator handling
net:
- Fix MII clock handling
phy:
- Fix GTR line logic for sgmii
pci:
- Fix pcireg_base logic
fpga:
- Fix change handling in intel_sdm_mb driver
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The condition here is reversed, which makes link and coral very slow,
leading to lab failures.
Fixes 6c171f7a184 ("common: board: make initcalls static")
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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Apart from ENOENT observing return value as ENOSYS when
!DM_REGULATOR that's why cover both configurations.
Changed code is not working as operation should be "&&"
not "||" (ret != -ENOENT && ret != -ENOSYS).
Also fix the remove function where the regulator_set_enable_if_allowed()
function is returning an error.
Signed-off-by: Padmarao Begari <padmarao.begari@amd.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/a2d520f14efc30fc28ec59881205e156dabbfcd9.1744350937.git.michal.simek@amd.com
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Tom Rini <trini@konsulko.com> says:
Hey all,
Related to my other series I've posted recently on cleaning up some
headers, this series here is the result of at least lightly auditing the
#includes used in include/[a-m]*.h. This ignores subdirectories, as at
least in part I think the top-level includes we've constructed are the
most likely places to have some extra transitive include paths. I'm sure
there's exceptions and I'll likely audit deeper once this first pass is
done. This only gets as far as "include/m*.h" because I didn't want this
to get too big. This also sets aside <miiphy.h> and <phy.h>. While
miiphy.h does not directly need <phy.h> there are *so* many users and I
think I had half of the tree just about not building when I first tried.
It might be worth further investigation, but it might just be OK as-is.
Link: https://lore.kernel.org/r/20250521230119.2084088-1-trini@konsulko.com
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At this point in time, <ide.h> provides the IDE_BUS macro and the
function prototype for ide_set_reset, which is used with IDE_RESET. The
only files which should include this header are the ones that either use
that macro or that function. Remove <blk.h> from <ide.h> and remove
<ide.h> from places which do not need it.
Signed-off-by: Tom Rini <trini@konsulko.com>
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This file does not need <asm/cache.h> so remove it. However the file
common/spl/spl_fat.c does need it, so add it there.
Signed-off-by: Tom Rini <trini@konsulko.com>
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Tom Rini <trini@konsulko.com> says:
Given Simon's series at [1] I started looking in to what brings in
<env.h> when not strictly required and in turn has some unintended
implicit includes. This series takes care of the places where, commonly,
<linux/string.h> or <env.h> itself were required along with a few other
less common cases. This sets aside for the moment what to do about
net-common.h and env_get_ip() as I'm not entirely sure what's best
there.
[1]: https://patchwork.ozlabs.org/project/uboot/list/?series=454939&state=*
Link: https://lore.kernel.org/r/20250514225002.15361-1-trini@konsulko.com
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The include file <command.h> does not need anything from <env.h>.
Furthermore, include/env.h itself includes other headers which can lead
to longer indirect inclusion paths. To prepare to remove <env.h> from
<command.h> fix all of the places which had relied on this indirect
inclusion to instead include <env.h> directly.
Reviewed-by: Mattijs Korpershoek <mkorpershoek@kernel.org> # android, bcb
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> # spawn
Signed-off-by: Tom Rini <trini@konsulko.com>
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Prepare v2025.07-rc3
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Add CONFIG_BOARD_INIT to specifu if the board_init() needs calling
during initcall phase, and default it to 'y' for the relevant
architectures which probably need it.
This allows anyone with a board that doesn't need it to just remove
it from the initcall list w/o an empty code block in the board init
file.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Tom Rini <trini@konsulko.com>
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The formatting with %pa / %pap behaves like %x, which results in an
incorrect value being output. To improve this, a new fine-tuning
Kconfig SPL_USE_TINY_PRINTF_POINTER_SUPPORT for pointer formatting
has been added. If it is enabled, the output of %pa / %pap should
be correct, and if it is disabled, the pointer formatting is
completely unsupported. In addition to indicate unsupported formatting,
'?' will be output. This allows enabling pointer formatting only
when needed. For SPL_NET it is selected by default. Then it also
supports the formatting with %pm, %pM and %pI4.
In summery this level of %p support for tiny printf is possible now:
1) The standard tiny printf won't have support for pointer formatting.
So it doesn't print misleading values for %pa, instead '?' will be
output:
%p => ?
%pa => ?a
%pap => ?ap
2) If SPL_USE_TINY_PRINTF_POINTER_SUPPORT is enabled or DEBUG is defined
tiny printf supports formatting %p and %pa / %pap.
3) If SPL_NET is enabled the support of pointers is extended
for %pm, %pM and %pI4.
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
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https://gitlab.denx.de/u-boot/custodians/u-boot-imx
CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/26275
- Fix boot regression on imx8mn_bsh_smm_s2/s2pro.
- Fix reset on imx6ulz_smm_m2.
- Adjust DDR initialization on imx6ulz_smm_m2.
- Fix CAAM startup error.
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Commit 2a00d73d081a ("spl: mmc: Try to clean up raw-mode options") breaks
the boot of the BSH SMM S2 board. As stated in the commit itself, "Some
boards use this value even though MMC is not enabled in SPL, for example
imx8mn_bsh_smm_s2".
Support load of the U-Boot image from raw NAND sector. This is equivalent
to load from MMC raw sector.
Fixes: 2a00d73d081a ("spl: mmc: Try to clean up raw-mode options")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
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Similar to AArch64's case, Clang may wrongly fold accesses to gd pointer
which is defined with register qualifier into constants, breaking
various components.
This patch defines gd as a macro when building with Clang or LTO, which
expands to get_gd() that accesses gp pointer in assembly, making RISC-V
ports function properly and preparing for introduction of LTO in the
future. Board initialization code is also adapted for non-assignable gd.
Reported-by: Nathaniel Hourt <I@nathaniel.land>
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
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Now that cyclic_unregister() is safe to call on a not-registered
cyclic_info, we can make cyclic_register() behave like the mod_timer()
and hrtimer_start() APIs in linux, in that they don't distinguish
between whether the timer was already enabled or not; from the point
of the call it is, with whatever timeout/period is set in that most
recent call.
This avoids users of the cyclic API from separately keeping track of
whether their callback is already registered or not, and even if they
know it is, can be used for changing the period (and/or the callback
function) without first doing unregister().
See also this recent'ish message from kernel maintainer Thomas
Gleixner on that API design for timer frameworks:
https://lore.kernel.org/lkml/87ikn6sibi.ffs@tglx/
First of all the question is whether add() and mod() are really
valuable distinctions. I'm not convinced at all. Back then, when we
introduced hrtimers, we came to the conclusion that hrtimer_start()
is sufficient.
Signed-off-by: Rasmus Villemoes <ravi@prevas.dk>
Reviewed-by: Stefan Roese <sr@denx.de>
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Make cyclic_unregister() safe to call with an already unregistered, or
possibly never registered, struct cyclic_info. This is similar to how
the various timer APIs in the linux kernel work (they all allow
calling delete/cancel/... on an inactive timer object).
This means callers don't have to separately keep track of whether
their cyclic callback is registered or not, and avoids them trying to
peek into the struct cyclic_info for that information - which leads to
somewhat ugly code as it would have to be guarded by ifdef
CONFIG_CYCLIC.
Signed-off-by: Rasmus Villemoes <ravi@prevas.dk>
Reviewed-by: Stefan Roese <sr@denx.de>
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Almost all Rockchip boards use the same Kconfig value for SPL_PAD_TO,
0x7f8000.
u-boot-rockchip.bin is typically written to offset 64S (32KiB) of MMC
media. u-boot.itb (or u-boot.img) is typically expected at offset 16384S
(8MiB) of MMC media (SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x4000).
SPL_PAD_TO is used as the offset for u-boot.itb (or u-boot.img) in the
generated simple-bin binman image, and can be calculated as:
SPL_PAD_TO = (16384S - 64S) * 512 = 0x7f8000
Add this value as a default value for ARCH_ROCKCHIP.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
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When SPL loading image to secure region, for example, ATF and tee to
DDR secure region. Because the USDHC controller is non-secure master,
it can't access this region and will cause loading issue.
So use a trampoline buffer in non-secure region, then use CPU to copy the
image from trampoline buffer to destination secure region.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
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Add a console_printf_select_stderr() function so that it is not
necessary for the caller to process the format string.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
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Caleb Connolly <caleb.connolly@linaro.org> says:
Introduce a new event to signal that the live tree has been built,
allowing boards to perform fixups on the tree before devices are bound.
Crucially this allows for devices to be enabled or disabled, but also
allows for properties that are parsed during the bind stage to be
modified (such as dr_mode for dwc3).
With this in place, mach-snapdragon is switched over to use the event
and some hacky U-Boot specific DT overrides (which had to be undone
prior to booting an image) are removed in favour of fixing up the
livetree (which is not passed on to further boot stages).
Finally, some minor fixes are made for the QCM2290 RB1 board, the sdcard
is enabled and it now uses USB host mode in U-Boot like it's bigger
sibling the RB2.
Link: https://lore.kernel.org/r/20250411-livetree-fixup-v2-0-1236823377bb@linaro.org
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OF_LIVE offers a variety of benefits, one of them being that the live
tree can be modified without caring about the underlying FDT. This is
particularly valuable for working around U-Boot limitations like lacking
USB superspeed support on Qualcomm platforms, no runtime OTG, or
peripherals like the sdcard being broken (and displaying potentially
worrying error messages).
Add an event to signal when the live tree has been built so that we can
apply fixups to it directly before devices are bound.
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
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CONFIG_SYS_NONCACHED_MEMORY is defined as hex, not bool. It should be
replaced with CONFIG_SYS_HAS_NONCACHED_MEMORY when switched from #ifdef to
CONFIG_IS_ENABLED().
Fixes: 6c171f7a184 (common: board: make initcalls static)
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@codethink.co.uk> # rock5b
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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SPL_TEXT_BASE is used as the load address for the main domain SPL on k3
platforms.
Since the config value is the same for every board, this patch sets the
value 0x80080000 as default for all 64-bit ARCH_K3, 0x43c00000 as
default for the R5 cores and deletes the instances of SPL_TEXT_BASE in
individual defconfigs.
Signed-off-by: Anshul Dalal <anshuld@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Jerome Forissier <jerome.forissier@linaro.org> says:
This series introduces threads and uses them to improve the performance
of the USB bus scanning code and to implement background jobs in the
shell via two new commands: 'spawn' and 'wait'.
The threading framework is called 'uthread' and is inspired from the
barebox threads [2]. setjmp() and longjmp() are used to save and
restore contexts, as well as a non-standard extension called initjmp().
This new function is added in several patches, one for each
architecture that supports HAVE_SETJMP. A new symbol is defined:
HAVE_INITJMP. Two tests, one for initjmp() and one for the uthread
scheduling, are added to the lib suite.
After introducing threads and making schedule() and udelay() a thread
re-scheduling point, the USB stack initialization is modified to benefit
from concurrency when UTHREAD is enabled, where uthreads are used in
usb_init() to initialize and scan multiple busses at the same time.
The code was tested on arm64 and arm QEMU with 4 simulated XHCI buses
and some devices. On this platform the USB scan takes 2.2 s instead of
5.6 s. Tested on i.MX93 EVK with two USB hubs, one ethernet adapter and
one webcam on each, "usb start" takes 2.4 s instead of 4.6 s.
Finally, the spawn and wait commands are introduced, allowing the use of
threads from the shell. Tested on the i.MX93 EVK with a spinning HDD
connected to USB1 and the network connected to ENET1. The USB plus DHCP
init sequence "spawn usb start; spawn dhcp; wait" takes 4.5 seconds
instead of 8 seconds for "usb start; dhcp".
[1] https://patchwork.ozlabs.org/project/uboot/list/?series=446674
[2] https://github.com/barebox/barebox/blob/master/common/bthread.c
Link: https://lore.kernel.org/r/20250418141114.2056981-1-jerome.forissier@linaro.org
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Make the schedule() call from the CYCLIC framework a uthread scheduling
point too. This makes sense since schedule() is called from a lot of
places where uthread_schedule() needs to be called.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Stefan Roese <sr@denx.de>
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initr_net() initalizes the network devices by calling eth_initalize().
There is no good reason to disable this if no command line interface is
present.
Let initr_net() depend on CONFIG_NET || CONFIG_NET_LWIP.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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https://source.denx.de/u-boot/custodians/u-boot-marvell
CI: https://dev.azure.com/sr0718/u-boot/_build/results?buildId=390&view=results
- mvebu_espressobin_ultra-88f3720_defconfig: disable SATA
- helios4: enable ddr odt0 on write for both chip-select
- clearfog,helios4: disable sdhci sdma
- mvebu/bubt: Correct usage of IS_ENABLED() macro
- mvebu: Correct SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR usage
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