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2020-07-20patman: Convert to ArgumentParserSimon Glass
Convert from OptionParser to ArgumentParser to match binman. With this we can easily add sub-commands. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-20patman: Allow skipping patches at the endSimon Glass
The -s option allows skipping patches at the top of the branch. Sometimes there are commits at the bottom that need to be skipped. At present it is necessary to count the number of commits and then use -c to tell patman how many to process. Add a -e option to easily skip a number of commits at the bottom of the branch. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-20patman: Allow creating patches for another branchSimon Glass
Add a -b option to allow patches to be created from a branch other than the current one. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-20patman: Add a test that uses gitpythonSimon Glass
It is convenient to use gitpython to create a real git repo for testing patman's operation. Add a test for this. So far it just checks that patman produces the right number of patches for a branch. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-20patman: Move main code out to a control moduleSimon Glass
To make testing easier, move the code out from main into a separate 'control' module and split it into four parts: setup, preparing patches, checking patches and emailing patches. Add comments and fix a few code-style issues while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-20patman: Use test_util to show test resultsSimon Glass
This handles skipped tests correctly, so use it instead of the existing code. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-20Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86Tom Rini
- dm: core: Don't show an ACPI warning if there is no ordering - x86: Enhance MTRR functionality to support multiple CPUs
2020-07-20x86: mtrr: Enhance 'mtrr' command to list MTRRs on any CPUSimon Glass
Update this command so it can list the MTRRs on a selected CPU. If '-c all' is used, then all CPUs are listed. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp: Add more comments to the moduleSimon Glass
Add a description of how this module works and also some missing function comments. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mtrr: Update 'mtrr' to allow setting MTRRs on any CPUSimon Glass
Add a -c option to mtrr to allow any CPU to be updated with this command. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mtrr: Restructure so command execution is in one placeSimon Glass
At present do_mtrr() does the 'list' subcommand at the top and the rest below. Update it to do them all in the same place so we can (in a later patch) add parsing of the CPU number for all subcommands. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mtrr: Update the command to use the new mtrr callsSimon Glass
Use the multi-CPU calls to set the MTRR values. This still supports only the boot CPU for now. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mtrr: Add support for writing to MTRRs on any CPUSimon Glass
To enable support for the 'mtrr' command, add a way to perform MTRR operations on selected CPUs. This works by setting up a little 'operation' structure and sending it around the CPUs for action. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
2020-07-20x86: mtrr: Update MTRRs on all CPUsSimon Glass
When the boot CPU MTRRs are updated, perform the same update on all other CPUs so they are kept in sync. This avoids kernel warnings about mismatched MTRRs. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: coral: Update the memory mapSimon Glass
This currently excludes the temporary memory used to start up the APs. Add it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
2020-07-20x86: Don't enable SMP in SPLSimon Glass
SMP should be set up in U-Boot where possible, not SPL. Disable it in SPL. For 64-bit U-Boot we should find a way to allow SMP operations in U-Boot, but this is somewhat more complicated. For now that is disabled too. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
2020-07-20x86: mtrr: Use MP calls to list the MTRRsSimon Glass
Update the mtrr command to use mp_run_on_cpus() to obtain its information. Since the selected CPU is the boot CPU this does not change the result, but it sets the stage for supporting other CPUs. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp: Add iterators for CPUsSimon Glass
It is convenient to iterate through the CPUs performing work on each one and processing the result. Add a few iterator functions which handle this. These can be used by any client code. It can call mp_run_on_cpus() on each CPU that is returned, handling them one at a time. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp: Park CPUs before running the OSSimon Glass
With the new MP features the CPUs are no-longer parked when the OS is run. Fix this by calling a special function to park them, just before the OS is started. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp: Allow running functions on multiple CPUsSimon Glass
Add a way to run a function on a selection of CPUs. This supports either a single CPU, all CPUs, just the main CPU or just the 'APs', in Intel terminology. It works by writing into a mailbox and then waiting for the CPUs to notice it, take action and indicate they are done. When SMP is not yet enabled, this just calls the function on the main CPU. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: Set the SMP flag when MP init is completeSimon Glass
Set this flag so we can track when it is safe to use CPUs other than the main one. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20global_data: Add a generic global_data flag for SMP stateSimon Glass
Allow keeping track of whether all CPUs have been enabled yet. This allows us to know whether other CPUs need to be considered when updating CPU-specific settings such as MTRRs on x86. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp: Support APs waiting for instructionsSimon Glass
At present the APs (non-boot CPUs) are inited once and then parked ready for the OS to use them. However in some cases we want to send new requests through, such as to change MTRRs and keep them consistent across CPUs. Change the last state of the flight plan to go into a wait loop, accepting instructions from the main CPU. Drop cpu_map since it is not used. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: cpu: Remove unnecessary #ifdefsSimon Glass
Drop some #ifdefs that are not needed or can be converted to compile-time checks. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp_init: Adjust bsp_init() to return more informationSimon Glass
This function is misnamed since it does not actually init the BSP. Also it is convenient to adjust it to return a little more information. Rename and update the function, to allow it to return the BSP CPU device and number, as well as the total number of CPUs. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp_init: Set up the CPU numbers at the startSimon Glass
At present each CPU is given a number when it starts itself up. While this saves a tiny amount of time by doing the device-tree read in parallel, it is confusing that the numbering happens on the fly. Move this code into mp_init() and do it at the start. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mtrr: Fix 'ensable' typoSimon Glass
Fix a typo in the command help. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp_init: Drop the num_cpus static variableSimon Glass
This does not need to be global across all functions in this file. Pass a parameter instead. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp_init: Switch parameter names in start_aps()Simon Glass
These parameters are named differently from elsewhere in this file. Switch them to avoid confusion. Also add comments to this function. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
2020-07-20x86: mp_init: Avoid declarations in header filesSimon Glass
The functions used by the flight plan are declared in the header file but are not used in any other file. Move the flight plan steps down to just above where it is used so that we can make these function static. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: Move MP code into mp_initSimon Glass
At present the 'flight plan' for CPUs is passed into mp_init. But it is always the same. Move it into the mp_init file so everything is in one place. Also drop the SMI function since it does nothing. If we implement SMIs, more refactoring will be needed anyway. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20x86: mp_init: Switch to livetreeSimon Glass
Update this code to use livetree calls instead of flat-tree. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-20dm: core: Don't show an ACPI warning if there is no orderingSimon Glass
Some boards don't care about the ordering of ACPI code fragments. Change the warning to a debug message. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
2020-07-18Merge tag 'mips-pull-2020-07-18' of ↵Tom Rini
https://gitlab.denx.de/u-boot/custodians/u-boot-mips - MIPS: refactor cache init and setup in start.S - MIPS: sync asm header files with Linux 5.7 - MIPS: add initial support for Marvell Octeon MIPS64
2020-07-18mips: octeon: Add minimal Octeon 3 EBB7304 EVK supportStefan Roese
This patch adds very basic minimal support for the Marvell Octeon 3 CN73xx based EBB7304 EVK. Please note that the basic Octeon port does not support DDR3/4 initialization yet. To still use U-Boot on with this port, the L2 cache (4MiB) is used as RAM. This way, U-Boot can boot to the prompt on this board. Supported devices: - UART - reset - CFI parallel NOR flash Signed-off-by: Stefan Roese <sr@denx.de>
2020-07-18mips: octeon: use mips_mach_early_init() to copy to L2 cacheStefan Roese
This patch adds the code to copy itself from bootrom location to a different location (TEXT_BASE) to the Octeon platform. Its used in this case to copy the complete U-Boot image into L2 cache, which greatly improves the bootup time - especially in regard to the very long and complex DDR4 init code. The Kconfig symbol CONFIG_MIPS_MACH_EARLY_INIT is enabled with this patch for Octeon. Signed-off-by: Stefan Roese <sr@denx.de>
2020-07-18mips: octeon: dts: Add Octeon 3 cn73xx base dtsi fileStefan Roese
This patch adds the base dtsi file for the Octeon 3 cn73xx SoC. Signed-off-by: Stefan Roese <sr@denx.de>
2020-07-18mips: octeon: Initial minimal support for the Marvell Octeon SoCAaron Williams
This patch adds very basic support for the Octeon III SoCs. Only CFI parallel NOR flash and UART is supported for now. Please note that the basic Octeon port does not include the DDR3/4 initialization yet. This will be added in some follow-up patches later. To still use U-Boot on with this port, the L2 cache (4MiB on Octeon III CN73xx) is used as RAM. This way, U-Boot can boot to the prompt on such boards. Signed-off-by: Aaron Williams <awilliams@marvell.com> Signed-off-by: Stefan Roese <sr@denx.de>
2020-07-18sysreset: Add Octeon sysreset driverStefan Roese
This patch adds a UCLASS_SYSRESET sysreset driver for the Octeon SoC family. Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2020-07-18mips: Add CONFIG_MIPS_MACH_EARLY_INIT for very early mach init codeStefan Roese
This patch adds the optional call to mips_mach_early_init() to start.S at a very early stage. Its disabled per default. It can be used for very early machine / platform specific init code. Its called very early and at this stage the PC is allowed to differ from the linking address (CONFIG_TEXT_BASE) as no absolute jump has been performed until this call. It will be used by thje Octeon platform. Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2020-07-18mips: sync asm/mipsregs.h with Linux 5.7Daniel Schwierzeck
Sync asm/mipsregs.h with Linux 5.7. Also replace the custom symbols EBASE_CPUNUM and EBASE_WG with the according symbols from Linux. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: sync asm/addrspace.h with Linux 5.7Daniel Schwierzeck
Sync asm/addrspace.h with Linux 5.7 Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: sync asm/asm.h with Linux 5.7Daniel Schwierzeck
Sync asm/asm.h with Linux 5.7. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: remove deprecated UNCACHED_SDRAM() macroDaniel Schwierzeck
This macro only served as a wrapper for CKSEG1ADDR() with an exception for CONFIG_TB0229. CONFIG_TB0229 doesn't exist, thus use CKSEG1ADDR() directly. This also prepares for an upcoming asm header sync with Linux. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: add config options for generic cache setup codeDaniel Schwierzeck
Add an own Kconfig symbol for the initial disabling of caches invoked from generic start code. Also add an own Kconfig symbols for the initialization of caches invoked from generic start code. Until now both code paths could only be disabled with CONFIG_SKIP_LOWLEVEL_INIT. But this is not flexible enough for RAM boot scenarios like EJTAG or SPL payload or for machines which don't require cache initialization or which want to provide their own cache implementation. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: refactor disabling of cachesDaniel Schwierzeck
Logically this code belongs to cache_init.S. If a complex SoC needs to replace the generic cache init, mips_cache_disable() can now be called from custom start.S files. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: add KSEG1 wrapper for change_k0_ccaDaniel Schwierzeck
change_k0_cca() is called multiple times. Move the code for changing to KSEG1 to a macro to avoid code duplication. Also fix missing change to KSEG1 when changing to CONF_CM_CACHABLE_COW. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: start.S: remove dead codeDaniel Schwierzeck
Since commit 703ec9ddf965 ("MIPS: Stop building position independent code") the relocation code was completely reworked and removed from start.S. Remove some left-overs of the old code. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2020-07-18mips: cache: Make invalidate_dcache_range() weak to enable overwriteStefan Roese
This patch adds __weak to invalidate_dcache_range() in lib/cache.c. This makes it possible to overwrite this function by a platforms specific version, which will be done for Octeon. Signed-off-by: Stefan Roese <sr@denx.de>
2020-07-18mips: cache: Make flush_cache() weak to enable overwriteStefan Roese
This patch adds __weak to flush_cache() in lib/cache.c. This makes it possible to overwrite this function by a platforms specific version, like done with the Octeon base port. Signed-off-by: Stefan Roese <sr@denx.de>
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