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This is a simple uclass for Watchdog Timers. It has four operations:
start, restart, reset, stop. Drivers must implement start, restart and
stop operations, while implementing reset is optional: It's default
implementation expires watchdog timer in one clock tick.
Signed-off-by: Maxim Sloyko <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Instead of having CONFIG_SANDBOX_BITS_PER_LONG in sandbox.h set to 64
with a comment to change to 32 on a 32bit host, simply set this to 64 in
asm/types.h and have the comment be there.
Cc: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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This is required for x86 and is also correct for ARM (since it is empty).
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Signed-off-by: Alexander Graf <[email protected]>
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At present these functions do not touch addr, which can raising warnings
about unused variables.
This fixes the following warnings:
sandbox_spl defconfig
drivers/core/regmap.c: In function ‘regmap_read’:
drivers/core/regmap.c:125:12: warning: unused variable ‘ptr’ [-Wunused-variable]
uint32_t *ptr = map_physmem(map->base + offset, 4, MAP_NOCACHE);
^
drivers/core/regmap.c: In function ‘regmap_write’:
drivers/core/regmap.c:134:12: warning: unused variable ‘ptr’ [-Wunused-variable]
uint32_t *ptr = map_physmem(map->base + offset, 4, MAP_NOCACHE);
Signed-off-by: Simon Glass <[email protected]>
Fixes: 3bfb8cb4 (dm: regmap: Implement simple regmap_read & regmap_write)
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At present this is only used on ARM and sandbox, but it is just as
applicable to other architectures. Move the function prototype into the
generic SPL header.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Unlike Linux, nothing about errno.h is arch-specific in U-Boot.
As you see, all of arch/${ARCH}/include/asm/errno.h is just a
wrapper of <asm-generic/errno.h>. Actually, U-Boot does not
export headers to user-space, so we just have to care about the
consistency in the U-Boot tree.
Now all of include directives for <asm/errno.h> are gone.
Deprecate <asm/errno.h>.
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Alexey Brodkin <[email protected]>
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Many SoCs allow power to be applied to or removed from portions of the SoC
(power domains). This may be used to save power. This API provides the
means to control such power management hardware.
Signed-off-by: Stephen Warren <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Add an sandbox implementation for the generic SPL framework. This supports
locating and running U-Boot proper.
Signed-off-by: Simon Glass <[email protected]>
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The following changes are made to the clock API:
* The concept of "clocks" and "peripheral clocks" are unified; each clock
provider now implements a single set of clocks. This provides a simpler
conceptual interface to clients, and better aligns with device tree
clock bindings.
* Clocks are now identified with a single "struct clk", rather than
requiring clients to store the clock provider device and clock identity
values separately. For simple clock consumers, this isolates clients
from internal details of the clock API.
* clk.h is split so it only contains the client/consumer API, whereas
clk-uclass.h contains the provider API. This aligns with the recently
added reset and mailbox APIs.
* clk_ops .of_xlate(), .request(), and .free() are added so providers
can customize these operations if needed. This also aligns with the
recently added reset and mailbox APIs.
* clk_disable() is added.
* All users of the current clock APIs are updated.
* Sandbox clock tests are updated to exercise clock lookup via DT, and
clock enable/disable.
* rkclk_get_clk() is removed and replaced with standard APIs.
Buildman shows no clock-related errors for any board for which buildman
can download a toolchain.
test/py passes for sandbox (which invokes the dm clk test amongst
others).
Signed-off-by: Stephen Warren <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This adds a sandbox reset implementation (provider), a test client
device, instantiates them both from Sandbox's DT, and adds a DM test
that excercises everything.
Signed-off-by: Stephen Warren <[email protected]>
Acked-by: Simon Glass <[email protected]>
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The documentation of parameters in arch/sandbox/include/asm/gpio.h is
either missing or faulty.
This patch corrects the documentation.
Signed-off-by: Mario Six <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Add some tests for the new open drain setting feature of the GPIO
uclass, and extend the capabilities of the sandbox GPIO driver
accordingly.
Signed-off-by: Mario Six <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: York Sun <[email protected]>
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This adds a sandbox mailbox implementation (provider), a test client
device, instantiates them both from Sandbox's DT, and adds a DM test
that excercises everything.
Signed-off-by: Stephen Warren <[email protected]>
Acked-by: Simon Glass <[email protected]> # v1
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The current reset API implements a method to reset the entire system.
In the near future, I'd like to introduce code that implements the device
tree reset bindings; i.e. the equivalent of the Linux kernel's reset API.
This controls resets to individual HW blocks or external chips with reset
signals. It doesn't make sense to merge the two APIs into one since they
have different semantic purposes. Resolve the naming conflict by renaming
the existing reset API to sysreset instead, so the new reset API can be
called just reset.
Signed-off-by: Stephen Warren <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Add outsw() and insw() functions for sandbox, as these are needed by the IDE
code. The functions will not do anything useful if called, but allow the
code to be compiled.
Also add out16() and in16(), required by systemace.
Signed-off-by: Simon Glass <[email protected]>
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- Set CONFIG_SYS_CACHELINE_SIZE to ARCH_DMA_MINALIGN as that should be
good enough.
- Make <asm/io.h> include <asm/types.h> like other arches do
- Enable many many more drivers in sandbox_defconfig so that we can get
more build-time testing on this platform.
Cc: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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- The macro __BIGGEST_ALIGNMENT__ is gcc-specific. If it is not defined
we'll just assume 16. This is correct for at least the common cases
and LLVM does not provide an equivalent macro.
- When linking U-Boot we're passing -T to the linker, and while gcc will
just pass this along with LLVM we need to be specific.
Cc: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add a simple USB keyboard driver for sandbox. It provides a function to
'load' it with input data, which it will then stream through to the normal
U-Boot input subsystem. When the input data is exhausted, the keyboard stops
providing data.
Signed-off-by: Simon Glass <[email protected]>
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When running sandbox tests, silence the console to avoid unwanted output.
Also, record the console in case tests want to check it.
The -v option can be used to enable stdout during tests.
Signed-off-by: Simon Glass <[email protected]>
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Some tests are slow due to delays which are unnecessary on sandbox. The
worst offender is USB where we lose two seconds. Add a way to disable time
delays.
Signed-off-by: Simon Glass <[email protected]>
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The generic bitops headers are required when calling logarithmic
functions, such as ilog2().
Signed-off-by: Fabio Estevam <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Heiko Schocher <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Add a test to confirm that we can access system controllers and find their
driver data.
Signed-off-by: Simon Glass <[email protected]>
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Move sandbox over to use the reset uclass for reset, instead of a direct
call to do_reset(). This allows us to add tests.
Signed-off-by: Simon Glass <[email protected]>
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Add settings for the last reset generated, and the types of resets which
are permitted. This will be used for testing.
Signed-off-by: Simon Glass <[email protected]>
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Add tests of each API call using a sandbox clock device.
Signed-off-by: Simon Glass <[email protected]>
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For the distro_bootcmds to succeed on the sandbox a bit of setup is
required (e.g. network configured or host image bound), so running them
by default isn't that useful.
Add a -b/--boot command to the sandbox binary, which triggers the
distro_bootcmds to run after the other command-line commands.
Signed-off-by: Sjoerd Simons <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Add a sandbox I2C emulation device which emulates a real-time clock. The
clock works off an offset from the current system time, and supports setting
and getting the clock, as well as access to byte-width regisers in the RTC.
It does not support changing the system time.
This device can be used for testing the 'date' command on sandbox, as well
as the RTC uclass.
Signed-off-by: Simon Glass <[email protected]>
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At present this driver has a few test features. They are needed for running
the driver model unit tests but are confusing and unnecessary if using
sandbox at the command line. Add a flag to enable the test mode, and don't
enable it by default.
Signed-off-by: Simon Glass <[email protected]>
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When called, the next call to receive will trigger a 10-second leap
forward in time to avoid waiting for time to pass when tests are
evaluating timeout behavior.
Signed-off-by: Joe Hershberger <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Add a function that maintains an offset to include in the system timer
values returned from the lib/time.c APIs.
This will allow timeouts to be skipped instantly in tests
Signed-off-by: Joe Hershberger <[email protected]>
Acked-by: Simon Glass <[email protected]>
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We want to be able to set up the device tree in SPL, so move this code
to a common place.
Signed-off-by: Simon Glass <[email protected]>
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For some files I neglected to add a license. Rectify this:
arch/arm/dts/exynos4210-pinctrl-uboot.dtsi
arch/arm/dts/exynos4x12-pinctrl-uboot.dtsi
arch/arm/dts/exynos5250-pinctrl-uboot.dtsi
arch/arm/dts/exynos54xx-pinctrl-uboot.dtsi
arch/arm/dts/s5pc100-pinctrl.dtsi
arch/arm/dts/s5pc110-pinctrl.dtsi
This file came from Linux and has no license information there, so add a
comment to that effect:
arch/sandbox/include/asm/bitops.h
This file also came from Linux - presumably someone from TI could add the
license:
include/dt-bindings/pinctrl/omap.h
Signed-off-by: Simon Glass <[email protected]>
Reported-by: Ingrid Viitanen <[email protected]>
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The 'lo' interface on Linux doesn't support thinks like ARP or
link-layer access like we use to talk to a normal network interface.
A higher-level network API must be used to access localhost.
As written, this interface is limited to not supporting ICMP since the
API doesn't allow the socket to be opened for all IP traffic and be able
to receive at the same time. UDP is far more useful to test with, so it
was selected over ICMP. Ping won't work, but things like TFTP should
work.
Signed-off-by: Joe Hershberger <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Implement a bridge between U-Boot's network stack and Linux's raw packet
API allowing the sandbox to send and receive packets using the host
machine's network interface.
This raw Ethernet API requires elevated privileges. You can either run
as root, or you can add the capability needed like so:
sudo /sbin/setcap "CAP_NET_RAW+ep" /path/to/u-boot
Signed-off-by: Joe Hershberger <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This is needed to test the netretry functionality (make the command fail
on a sandbox eth device).
Signed-off-by: Joe Hershberger <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add the required header information, device tree nodes and I/O accessor
functions to support PCI on sandbox. All devices are emulated by drivers
which can be added as required for testing or development.
Signed-off-by: Simon Glass <[email protected]>
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When a command is passed into sandbox using the '-c' argument the
command is run directly. This is most helpful when running tests (such
as test-dm.sh). Previously the exit code was an unused enum. Change it
to be the actual return code from the command so that the script calling
sandbox can know if the command succeeded (tests passed). Also remove
the now completely unused "exit_state" in sandbox.
Signed-off-by: Joe Hershberger <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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To enable testing of I2C, add a simple I2C EEPROM simulator for sandbox.
It supports reading and writing from a small data store.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
Reviewed-by: Masahiro Yamada <[email protected]>
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There's a definition in stdint.h (provided by gcc) which will be more correct
if available.
Define CONFIG_USE_STDINT to use this feature, or USE_STDINT=1 on the 'make'
commmand.
This adjusts the settings for x86 and sandbox, with both have 64-bit options.
Signed-off-by: Gabe Black <[email protected]>
Reviewed-by: Gabe Black <[email protected]>
Tested-by: Gabe Black <[email protected]>
Reviewed-by: Bill Richardson <[email protected]>
Rewritten to be an option, since stdint.h is often available only in glibc.
Changed to preserve a clear boundary between stdint and non-stdint
Signed-off-by: Simon Glass <[email protected]>
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Convert sandbox's spi flash emulation driver to use driver model.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Jagannadha Sutradharudu Teki <[email protected]>
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Adjust the sandbox SPI driver to support driver model and move sandbox over
to driver model for SPI.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Jagannadha Sutradharudu Teki <[email protected]>
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At present sandbox defines CONFIG_SYS_GENERIC_GLOBAL_DATA, meaning that
the global_data pointer is set up in board_init_f().
If we set up and zero the global data before calling board_init_f() then we
don't need to define CONFIG_SYS_GENERIC_GLOBAL_DATA.
Make this change to simplify the init process.
Signed-off-by: Simon Glass <[email protected]>
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The directory arch/${ARCH}/cpu/${CPU} does not exist
in avr32, blackfin, microblaze, nios2, openrisc, sandbox, x86.
These architectures have only one CPU type.
Defining CPU should not be required for such architectures.
This commit allows cpu field (= the 3rd field of boards.cfg)
to be kept blank.
Signed-off-by: Masahiro Yamada <[email protected]>
Cc: Andreas Bießmann <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Sonic Zhang <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Thomas Chou <[email protected]>
Cc: Stefan Kristiansson <[email protected]>
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local_irq_save() should be a macro, not a function
because local_irq_save() saves flag to the given argument.
GCC is silent about this issue, but Clang warns:
In file included from lib/asm-offsets.c:15:
In file included from include/common.h:20:
In file included from include/linux/bitops.h:110:
arch/sandbox/include/asm/bitops.h:59:17:
warning: variable 'flags' is uninitialized when used here
[-Wuninitialized]
local_irq_save(flags);
^~~~~
That change causes another warning:
In file included from include/linux/bitops.h:110:0,
from include/common.h:20,
from lib/asm-offsets.c:15:
arch/sandbox/include/asm/bitops.h: In function ‘test_and_set_bit’:
arch/sandbox/include/asm/bitops.h:56:16: warning: unused variable ‘flags’ [-Wunused-variable]
So, flags should be set to __always_unused.
Signed-off-by: Masahiro Yamada <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Jeroen Hofstee <[email protected]>
Acked-by: Simon Glass <[email protected]>
Acked-by: Jeroen Hofstee <[email protected]>
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Support the iotrace feature for sandbox, and enable it, using some dummy
I/O access methods.
Signed-off-by: Simon Glass <[email protected]>
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using UBI and DM together leads in compiler error, as
both define a "struct device", so rename "struct device"
in include/dm/device.h to "struct udevice", as we use
linux code (MTD/UBI/UBIFS some USB code,...) and cannot
change the linux "struct device"
Signed-off-by: Heiko Schocher <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Marek Vasut <[email protected]>
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Some platforms (tested on mpc85xx, mpc86xx) use global data before calling
function baord_inti_f(). The data should not be cleared later. Any arch
which uses global data in generic board board_init_f() should define
CONFIG_SYS_GENERIC_GLOBAL_DATA.
Signed-off-by: York Sun <[email protected]>
CC: Scott Wood <[email protected]>
CC: Simon Glass <[email protected]>
CC: Albert ARIBAUD <[email protected]>
Acked-by: Simon Glass <[email protected]>
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When jumping from one sandbox U-Boot to another in sandbox, the RAM buffer
is preserved in the jump by using a temporary file. Add an option to tell
the receiving U-Boot to remove this file when it is no longer needed.
Similarly the old U-Boot image is left behind in this case. We cannot delete
it immediately since gdb cannot then find its debug symbols. Delete it just
before exiting.
Together these changes ensure that temporary files are removed both for
memory and U-Boot.
Signed-off-by: Simon Glass <[email protected]>
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It is useful for Cltl-C to be handled by U-Boot as it is on other boards.
But it is also useful to be able to terminate U-Boot with Ctrl-C.
Add an option to enable signals while in raw mode, and make this the
default. Add an option to leave the terminal cooked, which is useful for
redirecting output.
Signed-off-by: Simon Glass <[email protected]>
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