Simon Glass [Wed, 7 Sep 2022 02:27:28 +0000 (20:27 -0600)]
dm: core: Update comments for default-FDT ofnode functions
Some ofnode functions can only operate on the default device tree, i.e.
U-Boot's control FDT. Add comments to that effect. Fix up the reference to
device tree bindings while we are here.
Simon Glass [Wed, 7 Sep 2022 02:27:27 +0000 (20:27 -0600)]
dm: core: Complete phandle implementation using the other FDT
We need to be able to look up phandles in any FDT, not just the control
FDT. Use the 'other' FDT to test this, with a helper function which gets
this as an oftree that can then we used as needed.
Add a few more tests and some comments at the top of the file, to explain
what is going on.
Simon Glass [Wed, 7 Sep 2022 02:27:26 +0000 (20:27 -0600)]
dm: core: Add the ofnode multi-tree implementation
Add the logic to redirect requests for the device tree through a function
which can look up the tree ID. This works by using the top bits of
ofnode.of_offset to encode a tree.
It is assumed that there will only be a few device trees used at runtime,
typically the control FDT (always tree ID 0) and possibly a separate FDT
to be passed the OS.
The maximum number of device trees supported at runtime is 8, with this
implementation. That would use bits 30:28 of the node-offset value,
meaning that the positive offset range is limited to bits 27:0, versus
30:1 with this feature disabled. That still allows a device tree of up
to 256MB, which should be enough for most FITs. Larger ones can be
supported by using external data with the FIT, or by enabling OF_LIVE.
Update the documentation a little and fix up the comment for
ofnode_valid().
Simon Glass [Wed, 7 Sep 2022 02:27:25 +0000 (20:27 -0600)]
dm: core: Add definitions for multiple ofnode trees
At present, unless OF_LIVE is enabled, ofnode only supports access to one
device tree, the control FDT. This is because only the node offset is
encoded in ofnode, with the tree being implicit.
This makes ofnode (without OF_LIVE) unsuitable for device tree fixups, as
implemented by ft_board_setup() and other such functions.
To solve this, we can use the top bits of the node offset to hold a tree
ID.
Simon Glass [Wed, 7 Sep 2022 02:27:24 +0000 (20:27 -0600)]
dm: core: Split ofnode_path_root() into two functions
This function turns out to be a little confusing since it looks up a path
and also registers the tree. Split it into two, one that gets the root
node and one that looks up a path, so the purpose is clear.
Registering the tree will happen in a function to be added in a later
patch, called oftree_from_fdt().
Simon Glass [Wed, 7 Sep 2022 02:27:23 +0000 (20:27 -0600)]
dm: core: Allow obtaining a node offset in the same tree
In some cases we want to obtain an ofnode in the same tree as a different
ofnode, such as when looking up a subnode. At present this is trivial,
since there is only one tree. When there are multiple trees, this
implementation will change.
Also move the ofnode_to_offset() function up higher in the header file,
since we will need to provide a different implementation with multiple
trees.
Simon Glass [Wed, 7 Sep 2022 02:27:22 +0000 (20:27 -0600)]
dm: core: Add a way to look up a phandle in an oftree
When we have multiple trees, the ofnode logic needs to be told which one
to use. Create a new function which takes an oftree argument, along with
a helper to obtain the FDT pointer from an oftree.
Simon Glass [Wed, 7 Sep 2022 02:27:20 +0000 (20:27 -0600)]
dm: core: Add an ofnode function to obtain the flat tree
The flat device tree is assumed to be the control FDT but this is not
always the case. Update the ofnode implementation to obtain the node via
an function call so we can eventually add support for selecting different
trees.
Simon Glass [Wed, 7 Sep 2022 02:27:19 +0000 (20:27 -0600)]
dm: core: Provide a way to reset the device tree
At present there is only one device tree used by the ofnode functions,
except for some esoteric use of live tree. In preparation for supporting
more than one, add a way to reset the list of device trees.
Simon Glass [Wed, 7 Sep 2022 02:27:18 +0000 (20:27 -0600)]
dm: core: Expand integer-reading tests
The current tests do not cover all the behaviour. Add some more.
Tidy up a few inconsistencies between livetree and flattree which come to
light with these tests. Also drop the -ENODATA error since it is never
actually returned.
Simon Glass [Wed, 7 Sep 2022 02:27:15 +0000 (20:27 -0600)]
dm: core: Avoid creating a name property when unflattening
The current implementation creates a 'name' value for every node. This
is not needed for the latest device tree format, which includes a name in
the node header.
Adjust the code to point the name at the node header instead.
Also simplify ofnode_get_name(), now that we can rely on it to set the
name correctly. Update the comment to make it clear what name the root
node has.
Simon Glass [Wed, 7 Sep 2022 02:27:11 +0000 (20:27 -0600)]
sandbox: test: Provide an easy way to use the other FDT
Add a test flag which indicates that the 'other' FDT should be set up
ready for use. Handle this by copying in the FDT, unflattening it for
livetree tests. Free the structures when the tests have run.
We cannot use the other FDT unless we are using live tree or
OFNODE_MULTI_TREE is enabled, since only one tree is supported by the
ofnode interface in that case. Add this condition into
ut_run_test_live_flat() and update the comments.
Simon Glass [Wed, 7 Sep 2022 02:27:10 +0000 (20:27 -0600)]
sandbox: Support setting up the other FDT for testing
Provide a way to copy over the 'other' FDT when running tests. This loads
it and allocates memory for the copy, if not done already, then does the
copy.
Avoid using U-Boot's malloc() pool for these copies, at least for now,
since they are part of the test system.
Simon Glass [Wed, 7 Sep 2022 02:27:07 +0000 (20:27 -0600)]
test: Drop the UT_TESTF_LIVE_OR_FLAT flag
This was a workaround for a rare situation. Now that it will be more
common and we have a proper fix, drop the flag. We can run both types of
tests in the same sandbox executable, even if the flat device tree is
modified.
Simon Glass [Wed, 7 Sep 2022 02:27:05 +0000 (20:27 -0600)]
test: Make a copy of the device tree before running a test
When the flat device tree changes it can mess up the live tree since that
uses the flat tree for its strings. This affects only a few sandbox tests
which modify the device tree, but the number will grow as ofnode support
for writing improves.
While the control FDT is not intended to change while U-Boot is running,
some tests do so. For example, the ofnode interface only supports
modifying properties in the control FDT, so tests must use that.
To solve this problem, keep a copy of the FDT and restore it as needed
when the test is finished. The copy only happens on sandbox (except SPL
builds), to reduce memory usage and because these tests are not useful on
other boards. For other boards, a checksum is taken to ensure that nothing
changes.
It would be possible to always checksum the FDT on sandbox and only
restore it if needed, but this is slightly slower than restoring it every
time, at least with crc8.
Move the code which checks for success to the very end, for clarity.
Simon Glass [Wed, 7 Sep 2022 02:27:02 +0000 (20:27 -0600)]
dm: core: Allow adding ofnode subnodes
Add this feature to the ofnode interface, supporting both livetree and
flattree. If the node exists it is returned, along with a -EEXIST error.
Update the functions it calls to handle this too.
Simon Glass [Wed, 7 Sep 2022 02:26:59 +0000 (20:26 -0600)]
test: Fix missing livetree test runs
At present the live tree tests are not run on sandbox. This bug is in two
parts, with a duplicate flag value and incorrect logic in the test runner.
This was not noticed because the bug was fixed in a later commit and does
not cause test failures.
Fix this.
Fixes: 7b1dfc9fd7e ("dm: core: Prepare for updating the device tree with ofnode") Signed-off-by: Simon Glass <sjg@chromium.org>
Tom Rini [Tue, 27 Sep 2022 12:53:51 +0000 (08:53 -0400)]
Merge tag 'u-boot-stm32-20220927' of https://source.denx.de/u-boot/custodians/u-boot-stm into next
- Increase SYS_MALLOC_F_LEN for STM32 MCU's board
- SPL fixes for STM32F7 MCUs
- Device tree alignement with kernelv6.0-rc4 for MCU's board
- Device tree alignement with kernelv6.0-rc3 for MPU's board
- Update DDR node for STM32MP15
- Cleanup config file for STM32MP1
- Update for cmd_stm32key command
- Fix compatible string to add partitions for STM32MP1
- Update for stm32programmer tool
configs: increase SYS_MALLOC_F_LEN for STM32 MCU's board
Some STM32 MCU's board need their SYS_MALLOC_F_LEN value enlarged
to avoid the "alloc space exhausted" error message during their boot
process.
Use the default SYS_MALLOC_F_LEN value which is set to 0x2000 in
Kconfig.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This is due to SYS_UBOOT_START flag set to 0x080083FD which is not correct.
If unset, SYS_UBOOT_START is set by default to CONFIG_SYS_TEXT_BASE
which match with our requirement.
arch-stm32f7/stm32.h file is shared between STM32F746 and STM32F769
MCUs. But STM32F769 embeds 2MB of internal flash instead of 1MB for
STM32F746. The flash layout is quite similar between the 2 SoCs :
STM32F746 embeds 1 MB of internal flash [0x08000000-0x080fffff],
fix CONFIG_SYS_SPL_ARGS_ADDR accordingly
It solves hard fault when jumping from SPL to U-Boot.
STM32F746 embeds 1 MB of internal flash [0x08000000-0x080fffff],
fix CONFIG_SYS_SPL_ARGS_ADDR accordingly
It solves hard fault when jumping from SPL to U-Boot.
Commit 'b4b9a00ed593 ("Convert CONFIG_SYS_SPL_ARGS_ADDR to Kconfig")'
replaces CONFIG_SYS_FDT_BASE by CONFIG_SYS_SPL_ARGS_ADDR.
As CONFIG_SYS_SPL_ARGS_ADDR enables additional code when enable, it
increases SPL size over the initial 0x8000 limit.
Increase the SPL size to 0x9000 to fix SPL boot.
Set SPL_SIZE_LIMIT to 0x9000 to avoid similar issue in the future.
Fixes 'b4b9a00ed593 ("Convert CONFIG_SYS_SPL_ARGS_ADDR to Kconfig")'
Commit 'b4b9a00ed593 ("Convert CONFIG_SYS_SPL_ARGS_ADDR to Kconfig")'
replaces CONFIG_SYS_FDT_BASE by CONFIG_SYS_SPL_ARGS_ADDR.
As CONFIG_SYS_SPL_ARGS_ADDR enables additional code when enable, it
increases SPL size over the initial 0x8000 limit.
Increase the SPL size to 0x9000 to fix SPL boot.
Set SPL_SIZE_LIMIT to 0x9000 to avoid similar issue in the future.
Fixes 'b4b9a00ed593 ("Convert CONFIG_SYS_SPL_ARGS_ADDR to Kconfig")'
Commit 'b4b9a00ed593 ("Convert CONFIG_SYS_SPL_ARGS_ADDR to Kconfig")'
replaces CONFIG_SYS_FDT_BASE by CONFIG_SYS_SPL_ARGS_ADDR.
As CONFIG_SYS_SPL_ARGS_ADDR enables additional code when enable, it
increases SPL size over the initial 0x8000 limit.
Increase the SPL size to 0x9000 to fix SPL boot.
Set SPL_SIZE_LIMIT to 0x9000 to avoid similar issue in the future.
Fixes 'b4b9a00ed593 ("Convert CONFIG_SYS_SPL_ARGS_ADDR to Kconfig")'
Michal Simek [Mon, 19 Sep 2022 12:21:10 +0000 (14:21 +0200)]
arm64: versal-net: Add support for mini configuration
Versal NET mini configuration is designed for running memory test. Current
output is on DCC but changing serial0 alias to pl011 will move console to
serial port.
Michal Simek [Mon, 19 Sep 2022 12:21:02 +0000 (14:21 +0200)]
arm64: versal-net: Add support for Versal NET platform
Versal NET platform is based on Versal chip which is reusing a lot of IPs.
For more information about new IPs please take a look at DT which describe
currently supported devices.
The patch is adding architecture and board support with soc detection
algorithm. Generic setting should be very similar to Versal but it will
likely diverge in longer run.
Rick Chen [Wed, 21 Sep 2022 06:34:54 +0000 (14:34 +0800)]
riscv: Introduce AVAILABLE_HARTS
In SMP all harts will register themself in available_hart
during start up. Then main hart will send IPI to other harts
according to this variables. But this mechanism may not
guarantee that all other harts can jump to next stage.
When main hart is sending IPI to other hart according to
available_harts, but other harts maybe still not finish the
registration. Then the SMP booting will miss some harts finally.
So let it become an option and it will be enabled by default.
Please refer to the discussion:
https://www.mail-archive.com/u-boot@lists.denx.de/msg449997.html
Signed-off-by: Rick Chen <rick@andestech.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Simon Glass [Wed, 21 Sep 2022 14:21:41 +0000 (16:21 +0200)]
sandbox: scsi: Move reply setup out of helper
Move this code out of the helper function so we can (later) add it as part
of the shared emulation code. Set a default value of 0 for buff_used since
that is what we use when there is an error.
Simon Glass [Wed, 21 Sep 2022 14:21:36 +0000 (16:21 +0200)]
scsi: Move core emulation state into a new struct
In preparation for sharing the emulation code between two drivers, move
some of the fields into a new struct. Use a separate header file so it
can be used by various drivers.
Tom Rini [Sat, 24 Sep 2022 17:58:49 +0000 (13:58 -0400)]
Merge branch '2022-09-24-add-console-flush' into next
To quote the author:
On certain places it is required to flush output print buffers to ensure
that text strings were sent to console or serial devices. For example when
printing message that U-Boot is going to boot kernel or when U-Boot is
going to change baudrate of terminal device.
Some console devices, like UART, have putc/puts functions which just put
characters into HW transmit queue and do not wait until all data are
transmitted. Doing some sensitive operations (like changing baudrate or
starting kernel which resets UART HW) cause that U-Boot messages are lost.
Therefore introduce a new flush() function, implement it for all serial
devices via pending(false) callback and use this new flush() function on
sensitive places after which output device may go into reset state.
This change fixes printing of U-Boot messages:
"## Starting application at ..."
"## Switch baudrate to ..."
In addition, take a patch from Heinrich to rename some EFI test
functions in order to not conflict with this series.
In a lot of cases kernel resets UART HW. To ensure that U-Boot messages
printed before booting the kernel are not lost, call new U-Boot console
flush() function.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Simon Glass <sjg@chromium.org>
Changing baudrate is a sensitive operation. To ensure that U-Boot messages
printed before changing baudrate are not lost, call new U-Boot console
flush() function.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Simon Glass <sjg@chromium.org>
serial: Implement serial_flush() function for console flush() fallback
Like in all other console functions, implement also serial_flush() function
as a fallback int console flush() function.
Flush support is available only when config option CONSOLE_FLUSH_SUPPORT is
enabled. So when it is disabled then provides just empty static inline
function serial_flush().
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Simon Glass <sjg@chromium.org>
On certain places it is required to flush output print buffers to ensure
that text strings were sent to console or serial devices. For example when
printing message that U-Boot is going to boot kernel or when U-Boot is
going to change baudrate of terminal device.
Therefore introduce a new flush() and fflush() functions into console code.
These functions will call .flush callback of associated stdio_dev device.
As this function may increase U-Boot side, allow to compile U-Boot without
this function. For this purpose there is a new config CONSOLE_FLUSH_SUPPORT
which is enabled by default and can be disabled. It is a good idea to have
this option enabled for all boards which have enough space for it.
When option is disabled when U-Boot defines just empty static inline
function fflush() to avoid ifdefs in other code.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Simon Glass <sjg@chromium.org>
Tom Rini [Fri, 23 Sep 2022 22:42:53 +0000 (18:42 -0400)]
Merge branch '2022-09-23-4gb-ddr-in-32bit-ppc' into next
To quote the author, for the first 9 patches:
This patch series fixes U-Boot code to correctly handle RAM size larger
than 2 GB and then fixes fsl ddr driver to do not crash U-Boot when 4 GB
DDR module is detected when U-Boot operates in 32-bit mode (as opposite
of the 36-bit mode).
With this patch series it is possible to boot 32-bit U-Boot with 4 GB
SODIMM DDR3 module without crashes. U-Boot will still use just
CONFIG_MAX_MEM_MAPPED amount of RAM, but it is better than crashing due
to the truncating of 4GB value to 32-bit number (which is zero).
I tested this patch series on powerpc P2020 based board but only with
U-Boot v2022.04 because U-Boot master branch is still broken on P2020.
And then the final two patches here are (in my mind at least) related
clean-ups.
board_f: show_dram_config: Print also real DRAM size
32-bit U-Boot builds cannot use more than around 2 GB of DDR memory. But on
some platforms/boards it is possible to connect also 4 GB SODIMM DDR memory.
U-Boot currently prints only effective size of RAM which can use, which may
be misleading as somebody would expect that this line prints total size of
connected DDR modules. So change show_dram_config code to prints both real
and effective DRAM size if they are different. If they are same then print
just one number like before. It is possible that effective size is just few
bytes smaller than the real size, so print both numbers only in case
function print_size() prints formats them differently.
powerpc/mpc85xx: Fix re-align of unmapped DDR memory message for non-SPL builds
During init_dram() is called also setup_ddr_tlbs_phys() function which may
print message about unmapped DDR memory. So in this case print also
re-aligning filler after unmapped DDR memory message.
Currently U-Boot SPL prints just generic message "2 GiB left unmapped".
Change it to more detailed "2 GiB of DDR memory left unmapped in U-Boot".
This is just U-Boot configuration and operating system may map more (or
also less) memory.
ddr: fsl: Fix re-align of verbose DRAM information for non-SPL builds
During init_dram() is called also compute_lowest_common_dimm_parameters()
function which prints multi-line detailed output. So print also re-aligning
filler after "Detected ?DIMM" line to have "DRAM: " output aligned.
ddr: fsl: Allow to detect 4 GB DDR modules in 32-bit mode
U-Boot core code already handles the case when RAM size is bigger than
CONFIG_MAX_MEM_MAPPED. So there is no need to do duplicate check in fsl ddr
driver for CONFIG_MAX_MEM_MAPPED. Instead simplify code to just check if
RAM size can be representable in phys_size_t type. And avoid printing
warning if phys_size_t is just 1 byte smaller than RAM size, which is the
typical situation with 4 GB DDR module.
ddr: fsl: Fix fsl_ddr_sdram_size() for 4GB modules with 32-bit phys_size_t
Function fsl_ddr_compute() always return size in unsigned long long type,
but function fsl_ddr_sdram_size() returns size in phys_size_t type.
When 36-bit addressing mode is not enabled then phys_size_t type is only
32-bit and thus it cannot store value 4GB (0x100000000). Function
fsl_ddr_sdram_size() in this case returns truncated value 0x0.
Fix this issue by returning the highest representable value, which is
0xffffffff (4GB - 1 byte).
This change fixes crashing of proper U-Boot because it detected 4 GB module
as RAM with zero size.
ddr: fsl: Fix checking for maximal mappable memory
Check needs to be done against CONFIG_MAX_MEM_MAPPED macro and not fixed
size 4GB (as CONFIG_MAX_MEM_MAPPED can be lower and for example for e500
cores it is just 2GB). Also fix printf re-align, which should be applied
only for non-SPL builds, during init_dram() call.
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