This is the promised second part of the sunxi PR for 2022.04, albeit
technially outside of the merge window. We were working on this full
steam since the beginning of the year, and it deserves to be merged,
I think.
The main attraction is support for the F1C100s SoC, which sports a
venerable ARM926 core. Support for this SoC and the LicheePi Nano board
has been in Linux for years, and U-Boot patches were posted mid last
year already.
The new SoC using ARMv5 also means that the bulk of the new code should
not touch any existing boards, although we did some refactorings first,
of course, which actually cleans up some existing sunxi code.
Compile tested for all 160 sunxi boards, and briefly tested on BananaPi M1,
OrangePi Zero, Pine64 and Pine-H64. Tested by others on their boards,
including F1C100s and F1C200s devices.
Some Allwinner SoCs use ARM926EJ-S core.
Add Allwinner/sunXi specific code to ARM926EJ-S CPU dircetory.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Both armv7 and arm926ejs use this timer code so move it to mach-sunxi.
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
The ARMv7 start code has support for saving some boot params at the
entry point, which is used by some SoCs to return to BROM.
Port this to ARM926EJ-S start code.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
When we added Allwinner SoC support to ARMv8, we needed to pull in an
implementation of lowlevel_init() calling the C function s_init(), as
sunxi required it as this time.
The last few patches got rid of this bogus requirement, and as sunxi was
still the only user, we can now remove this lowlevel_init.S from ARMv8
altogether.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Currently we do some magic "SRAM setup" MMIO writes in s_init(), copied
from the original BSP U-Boot. The comment speaks of this being required
before DRAM access gets enabled, but there is no indication that this
would actually be required that early.
Move this out of s_init(), into board_init_f(). Since this actually only
affects a very few older SoCs, the actual code goes into the cpu/armv7
directory, to move it out of the way for all other SoCs.
This also uses the opportunity to convert some #ifdefs over to the fancy
IS_ENABLED() macros used in actual C code.
We keep the s_init() stub around for now, since armv8's lowlevel_init
still relies on it.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
According to their TRMs, Cortex ARMv7 CPUs with SMP support require the
ACTLR.SMPEN bit to be set as early as possible, before any cache or TLB
maintenance operations are done. As we do those things still in start.S,
we need to move the SMPEN bit setting there, too.
This introduces a new ARMv7 wide symbol and code to set bit 6 in ACTLR
very early in start.S, and moves sunxi boards over to use that instead
of the custom code we had in our board.c file (where it was called
technically too late).
In practice we got away with this so far, because at this point all the
other cores were still in reset, so any broadcasting would have been
ignored anyway. But it is architecturally cleaner to do it early, and
we move a core specific piece of code out of board.c.
This also gets rid of the ARM_CORTEX_CPU_IS_UP kludge I introduced a few
years back, and moves the respective logic into the new Kconfig entry.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
There is some code that tries to "reset" the SCTLR_ELx register early in
the boot process. The idea seems to be to guarantee some sane settings
that U-Boot actually relies on, for instance running in little-endian
mode, with the MMU off initially.
However the current code has multiple problems:
- For a start, no platform or config defines the symbol that would
enable that code.
- The code itself really only works if the bits that it tries to clear
are already cleared:
- If we run in big-endian mode initially, any previous loads would have
been wrong already. That applies to the (optional) relocation code,
but more prominently to the mask that it uses to clear those bits:
"ldr x1, =0xfdfffffa" looks innocent, but actually involves a memory
access to the literal pool, using the current endianness.
- If we run with the MMU enabled, we are probably doomed already. We
*could* hope that we are running with an identity mapping, but would
need to do some cache maintenance to avoid losing dirty cache lines.
- The idea of doing a read-modify-write of SCTLR is somewhat
questionable to begin with, because as the owner of the current
exception level we should initialise all bits of this register with a
certain fixed value.
- The code is unnecessarily complicated, and the function name is
misspelled.
While those problems *could* admittedly be fixed, the point that is does
not seem to be used at all at the moment tells me we should just remove
this code, and be it to not give a bad example.
If people care, I could introduce some proper SCTLR initialisation code.
We are about to work this out for the boot-wrapper[1] as we speak, but
apparently we got away without doing this in U-Boot ever since, so it
might not be worth the potential trouble.
[1] https://lore.kernel.org/linux-arm-kernel/20220114105653.3003399-7-mark.rutland@arm.com/
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Setting LINUX_KERNEL_IMAGE_HEADER=y attempts to include an ARM64 Linux
kernel image header at the start of both U-Boot proper and SPL binaries.
However, some definitions that the image header uses are not included by
the SPL linker script, resulting in a build error. Include them the way
they are included in U-Boot proper's linker script to fix the error.
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
- fdt_support: Add fdt_for_each_node_by_compatible() helper macro
(Marek)
- turris_omnia: Fixup SATA or PCIe nodes at runtime in DT blob (Pali)
- pci_mvebu: Add support for Kirkwood PCIe controllers (Pali)
- SPL: More verifications for kwbimage in SPL (Pali)
- mvebu: Remove comphy_update_map() (Pali)
- Minor misc stuff
Add macro fdt_for_each_node_by_compatible() to allow iterating over
fdt nodes by compatible string.
Convert various usages of
off = fdt_node_offset_by_compatible(fdt, start, compat);
while (off > 0) {
code();
off = fdt_node_offset_by_compatible(fdt, off, compat);
}
and similar, to
fdt_for_each_node_by_compatible(off, fdt, start, compat)
code();
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Factor out armv7m fragment to spl_perform_fixups(), which is an arch/board
specific function designed for this purpose.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Apple's ARMv8 cores don't implement EL3 and therefore don't
provide a PSCI implementation. So don't attempt to use
PSCI to reset on machines using Apple SoCs.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
In order to finish moving this symbol to Kconfig for all platforms, we
need to do a few more things. First, for all platforms that define this
to a function, introduce CONFIG_DYNAMIC_SYS_CLK_FREQ, similar to
CONFIG_DYNAMIC_DDR_CLK_FREQ and populate clock_legacy.h. This entails
also switching all users from CONFIG_SYS_CLK_FREQ to get_board_sys_clk()
and updating a few preprocessor tests.
With that done, all platforms that define a value here can be converted
to Kconfig, and a fall-back of zero is sufficiently safe to use (and
what is used today in cases where code may or may not have this
available). Make sure that code which calls this function includes
<clock_legacy.h> to get the prototype.
Signed-off-by: Tom Rini <trini@konsulko.com>
This converts the following to Kconfig:
CONFIG_SYS_FSL_CLK
We move the exiting option to common/Kconfig near the other options to
control the contents of board_init_f() and note that this is a legacy
option. We further restrict this to where the call is going to be
non-empty, for the SoCs that had only been using this for some
MMC-related clocks.
Signed-off-by: Tom Rini <trini@konsulko.com>
This converts the following to Kconfig:
CONFIG_VID
CONFIG_VOL_MONITOR_INA220
CONFIG_VOL_MONITOR_IR36021_READ
CONFIG_VOL_MONITOR_IR36021_SET
CONFIG_VOL_MONITOR_LTC3882_READ
CONFIG_VOL_MONITOR_LTC3882_SET
To finish this migration, we first need to introduce CONFIG_SPL_VID as
some platforms only use this code in full U-Boot while others use it in
SPL as well. To make the Kconfig logic clearer, guard all of the
sub-options with a if VID || SPL_VID check. Finally, add Kconfig
options for the remaining related options that did not previously have
one.
Signed-off-by: Tom Rini <trini@konsulko.com>
This converts the following to Kconfig:
CONFIG_FSL_IFC
This is done via select statements to match previous logic.
Signed-off-by: Tom Rini <trini@konsulko.com>
Since no one uses this feature and I am not aware of any parsers of this
in Linux, remove it.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Pratyush Yadav <p.yadav@ti.com>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Don't use efi_allocate_pages(). The allocated memory isn't carved out of
the lmb allocations. The memory might then be allocated twice.
Particulary, this might happened with the fdt_high/initrd_high feature
which will relocate the fdt/ramdisk. This might then overlap with the
spin table.
Instead use memalign() which allocates on memory on the heap which is
correctly carved out by lmb.
Please note, that the memory is later reserved in the device tree as
well as in the EFI memory map in ft_fixup_cpu() (in
arch/arm/cpu/armv8/fsl-layerscape/fdt.c).
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Instead of looking at all USB (host) devices, just search all DWC3
device tree nodes. This will (1) fix a panic if of_match is zero and (2)
also apply the fixup if the controller is in peripheral mode. Both
happen when the DWC3 USB controller driver is used.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
There is no "fsl,ls1028a-gpu" compatible string. It is solely for the
proprietary driver which will never be open source. Lately, linux gained
support for the open source etnaviv driver for the GPU (although there
is still support for the DisplayPort PHY missing to get actual graphics
output). Thus, instead of supporting some proprietary driver, switch
over to the open source one, which also have an official device tree
binding.
Cc: Andy Tang <andy.tang@nxp.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Disabling PCIE support currently lead to a crash because the code for
erratum A010315 is still run. Add a conditional to only select
CONFIG_SYS_FSL_ERRATUM_A010315 when CONFIG_PCIE_LAYERSCAPE is enabled.
Signed-off-by: Alban Bedel <alban.bedel@aerq.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Stop using the device tree as a source for ad-hoc information.
This reverts commit 2ae7adc659.
Signed-off-by: Michael Walle <michael@walle.cc>
[trini: Also make board/broadcom/bcmns3/ns3.c fail clearly now]
Signed-off-by: Tom Rini <trini@konsulko.com>
Ad-hoc bindings that are not part of the upstream device tree / bindings
are not allowed in-tree. Only bindings that are in-progress with
upstream and then re-synced once agreed upon are.
This reverts commit af288cb291.
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Reported-by: Michael Walle <michael@walle.cc>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Reserved memory nodes can have additional flags. Support reading and
writing these flags to ensure that reserved memory nodes can be properly
parsed and emitted.
This converts support for the existing "no-map" flag to avoid extending
the argument list for fdtdec_add_reserved_memory() to excessive length.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reserved memory nodes can have a compatible string list to identify the
type of reserved memory that they represent. Support specifying an
optional compatible string list when creating these nodes.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
- Disable bi_boot_params for STM32 MCU and MPU boards
- Update stm32-usbphyc node management
- Convert CONFIG_STM32_FLASH to Kconfig for STM32 MCU boards
- Convert some USB config flags to Kconfig for various boards
- Convert CONFIG_BOOTCOMMAND flag to Kconfig for STM32 F429 board
- Remove specific CONFIG_STV0991 flags
- Remove unused CONFIG_USER_LOWLEVEL_INIT flag
- Add ofdata_to_platdata() callback for stm32_spi driver
- Update for stm32f7_i2c driver
- Remove gpio_hog_probe_all() from STM32 MP1 board
- Fix bind command
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Merge tag 'u-boot-stm32-20211012' of https://source.denx.de/u-boot/custodians/u-boot-stm
- Disable ATAGS for STM32 MCU and MPU boards
- Disable bi_boot_params for STM32 MCU and MPU boards
- Update stm32-usbphyc node management
- Convert CONFIG_STM32_FLASH to Kconfig for STM32 MCU boards
- Convert some USB config flags to Kconfig for various boards
- Convert CONFIG_BOOTCOMMAND flag to Kconfig for STM32 F429 board
- Remove specific CONFIG_STV0991 flags
- Remove unused CONFIG_USER_LOWLEVEL_INIT flag
- Add ofdata_to_platdata() callback for stm32_spi driver
- Update for stm32f7_i2c driver
- Remove gpio_hog_probe_all() from STM32 MP1 board
- Fix bind command
Signed-off-by: Tom Rini <trini@konsulko.com>
Remove the following STV0991 specific configs:
- CONFIG_STV0991 (never used, only defined in CONFIG_SYS_EXTRA_OPTIONS)
- CONFIG_STV0991_HZ (replaced by generic CONFIG_SYS_HZ)
- CONFIG_STV0991_HZ_CLOCK (replaced by generic CONFIG_SYS_HZ_CLOCK)
This patch allows to reduce the file config_whitelist.txt.
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last ARCH_MX25 platform, remove those
references as well.
Cc: Matthias Weisser <weisserm@arcor.de>
Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last armada100 platform, remove that support
as well.
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last mx35 platform, remove that support as
well.
Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Replace the current 2-instruction 2-step tripling code by a
corresponding single instruction leveraging ARMv8-A's "flexible second
operand as a register with optional shift". This has the added benefit
(albeit arguably negligible) of reducing the final code size.
Fix the comment as the tripled cache level is placed in x12, not x0.
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Improve the file's readability and conciseness by using the appropriate
Aarch64 instruction: ubfx (unsigned bitfield extract). This makes the
code easier to follow as it directly manipulates the offsets and widths
of the fields read from system registers, as they are expressed in the
Standard (ARM ARM). This has the added benefit (albeit arguably
negligible) of reducing the final code size.
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
The AT91 RM9200DK board was removed long time ago.
Remove existing references that were not cleaned up.
Fixes: 1c85752258 ("ARM: remove broken "at91rm9200dk" board")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Rename these options so that CONFIG_IS_ENABLED can be used with them.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
[trini: Fixup some incorrect renames]
Signed-off-by: Tom Rini <trini@konsulko.com>
Per a request from Andre Przywara and agreed with by Peter Hoyes, the
vexpress aemv8r support wasn't quite ready to be merged, but the
discussion had moved off list. We should keep the first patch in the
series for now, but revert the rest. This reverts the following
commits:
e0bd6f31ce doc: Add documentation for the Arm vexpress board configs
30e5a449e8 arm: Use armv8_switch_to_el1 env to switch to EL1
b53bbca63b vexpress64: Add BASER_FVP vexpress board variant
2f5b7b7490 armv8: Add ARMv8 MPU configuration logic
37a757e227 armv8: Ensure EL1&0 VMSA is enabled
Signed-off-by: Tom Rini <trini@konsulko.com>
Armv8r64 is the first Armv8 platform that only has a PMSA at the
current exception level. The architecture supplement for Armv8r64
describes new fields in ID_AA64MMFR0_EL1 which can be used to detect
whether a VMSA or PMSA is present. These fields are RES0 on Armv8a.
Add logic to read these fields and, for the protection of the memory
used by U-Boot, initialize the MPU instead of the MMU during init, then
clear the MPU regions before transition to the next stage.
Provide a default (blank) MPU memory map, which can be overridden by
board configurations.
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
