UART1 use for U-Boot and Linux console instead of UART0 and
UART0 is reserved for Hart Software Services(HSS).
Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This patch updates Microchip MPFS Icicle Kit support. For now,
add Microchip I2C driver, set environment variables for
mac addresses and default build for SBI_V02.
Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
The device tree split into .dtsi and .dts files, common
device node for eMMC/SD, enable I2C1, UART1 for console
instead of UART0, enable the DDR 2GB memory and in
that 288MB memory is reserved for fabric buffer.
Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Add I2C driver code for the Microchip PolarFire SoC.
This driver supports I2C data transfer and probe for I2C
slave addresses.
Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Remove the microchip compatible string and default compatible "cdns,macb"
support both 32-bit and 64-bit DMA access.
Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Add boot command "bootcmd_ram" to support autoboot from RAM.
This feature could be useful at the very initial state of chip design
when there is only a minimal set of peripheral. (e.g. without mmc and mac ..etc)
The kernel image is default to be loaded at 0x2000000 via debug port,
and the following script serves as an example:
spl()
{
cmd="riscv64-linux-gdb -q \
-ex \"target remote $host:$port\" \
-ex \"load\" \
-ex \"thread apply all set \\\$pc=&_start\" \
-ex \"thread apply all set \\\$a0=\\\$mhartid\" \
-ex \"thread apply all set \\\$a1=<dtb address>\" \
-ex \"restore u-boot.itb binary 0x200000\" \
-ex \"restore Image binary 0x2000000\" \
-ex \"c\" \
spl/u-boot-spl
"
echo $cmd
eval $cmd
}
The address where the kernel is loaded can be altered by
changing the value of KERNEL_IMAGE_ADDR.
Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Documentation:
* describe how to enable Virtio RNG on QEMU ARM
UEFI:
* enable testing the TCG2 protocol
* support TPM event log passed from firmware
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Merge tag 'efi-2022-01-rc4' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-01-rc4
Documentation:
* describe how to enable Virtio RNG on QEMU ARM
UEFI:
* enable testing the TCG2 protocol
* support TPM event log passed from firmware
tpm_tis_remove() leads to calling tpm_tis_ready() with the IO region
unmapped and chip->locality == -1 (locality released). This leads to a
crash in mmio_write_bytes().
The patch implements these changes:
tpm_tis_remove(): Unmap the IO region after calling tpm_tis_cleanup().
tpm_tis_cleanup(): Request locality before IO output and releasing
locality.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Firmwares before U-Boot may be capable of doing tpm measurements
and passing them to U-Boot in the form of eventlog. However there
may be scenarios where the firmwares don't have TPM driver and
are not capable of extending the measurements in the PCRs.
Based on TCG spec, if previous firnware has extended PCR's, PCR0
would not be 0. So, read the PCR0 to determine if the PCR's need
to be extended as eventlog is parsed or not.
Signed-off-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
The current tpm2_pcr_read is hardcoded using SHA256. Make the
actual command to TPM configurable to use wider range of algorithms.
The current command line is kept as is i.e limited to SHA-256 only.
Signed-off-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Platforms may have support to measure their initial firmware components
and pass the event log to u-boot. The event log address can be passed
in property tpm_event_log_addr and tpm_event_log_size of the tpm node.
Platforms may choose their own specific mechanism to do so. A weak
function is added to check if even log has been passed to u-boot
from earlier firmware components. If available, the eventlog is parsed
to check for its correctness and further event logs are appended to the
passed log.
Signed-off-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
With TPM emulation enabled in u-boot-test-hooks we should also provide the
tpm2 command used for the test/py/tests/test_tpm2.py test.
One of the Python TPMv2 tests expects sandbox specific values. So disable
it on other platforms.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
* add description how to add RNG device
* for a disk specify format=raw to avoid a warning
* fix a typo
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Sometimes UART stops transmitting characters after UART clock is changed
back to XTAL. In this state UART fifo is always full. Kernel during early
boot wants to print output on UART and is waiting for non-empty UART fifo.
Which leads to CPU hangup without any (debug) output on UART.
Marvell Armada 3700 Functional Specifications says that for programming
fractional divisor registers it is required to disable UART, enable
loopback mode, reset fifos, program registers, disable loopback mode,
release reset of fifos and enable UART.
But these steps do not fix above mentioned issue that UART hangup. Also
gating UART clock does not help. And even resetting UART state machines do
not help.
Experiments showed that UART fifo is unblocked after board is being reset
(during board reset UART HW transmit UART fifo even CPU is not executing
kernel/bootloader anymore).
And another experiments showed that same workaround can be achieved also
by external reset of UART HW (without need to reset board).
So do not implement any of "Marvell recommended" steps from Functional
Specifications as they do not work. And rather prior changing parent clock
back to XTAL, do external reset of UART HW. This operation also resets all
UART registers, so basically it also sets UART clock to default, which is
XTAL. It is unknown why UART hangups and enters such broken state.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Commit aeb0ca64db ("arm: mvebu: turris_omnia: disable MCU watchdog in
SPL when booting over UART") disabled MCU watchdog when booting over
UART to ensure that watchdog does not reboot the board before UART
transfer finishes.
But if UART transfer fails for some reason, or if U-Boot binary crashes,
then board hangs forever as there is no watchdog running which could
reset it.
To fix this issue, enable A385 watchdog with very high timeout before
disabling MCU watchdog to ensure that even slow transfer can finish
successfully before watchdog timer expires and also to ensure that if
board hangs for some reason, watchdog will reset it.
Omnia's MCU watchdog has fixed 120 seconds timer and it cannot be
changed (without updating MCU firmware). A385 watchdog by default uses
25 MHz input clock and so the largest timeout value (2^32-1) can be
just 171 seconds. But A385 watchdog can be switched to use NBCLK (L2) as
input clock (on Turris Omnia it is 800 MHz clock) and in this case final
watchdog clock frequency is calculated as:
freq = NBCLK / 2 / (2 ^ R)
So A385 watchdog on Turris Omnia can be configured to at most 1374
seconds (about 22 minutes). We set it to 10 minutes, which should be
enough even for bigger U-Boot binaries or slower UART transfers.
Both U-Boot and Linux kernel, when initializing A385 watchdog, switch
watchdog timer to 25 MHz input clock, so usage of NBCLK input clock in
U-Boot SPL does not cause any issues.
Fixes: aeb0ca64db ("arm: mvebu: turris_omnia: disable MCU watchdog in SPL when booting over UART")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
The common emulation Makefile has a dependency on a non-existent
qemu_capsule.o when building with support for capsule update enabled
(CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y).
The code which was in qemu_capsule.c has been completely moved to
lib/efi_loader/efi_capsule.c by commit 7a6fb28c8e ("efi_loader: capsule:
add back efi_get_public_key_data()").
Remove the false dependency.
This fixes the following build error:
make[1]: *** No rule to make target 'board/emulation/common/qemu_capsule.o', needed by 'board/emulation/common/built-in.o'. Stop.
Fixes: commit 47a25e81d3 ("Revert "efi_capsule: Move signature from DTB to .rodata"")
Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>
Cc: Simon Glass <sjg@chromium.org>
Add an entry in maintainers for fastboot. It is starting off orphaned, but
hopefully someone can pick it up.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Lukasz has not been very responsive in reviewing clock patches. Add
myself as a maintainer.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
Test:
* fix pylint warnings
UEFI:
* disable interrupts before removing devices in ExitBootServices()
* implement poweroff in efi_system_reset() on sandbox
* allow booting via EFI even if some block device fails
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Merge tag 'efi-2022-01-rc3-2' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-01-rc3-2
Test:
* fix pylint warnings
UEFI:
* disable interrupts before removing devices in ExitBootServices()
* implement poweroff in efi_system_reset() on sandbox
* allow booting via EFI even if some block device fails
* there is no os.path.unlink() method
* don't inherit from object
* add module docstring
* move imports to the top
* avoid unused variable
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
* don't inherit from object
* imports should be on the top level
* avoid unused variable names
* avoid unnecessary else after raise
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
UEFI code is always little-endian. Remove a superfluous test.
Remove a superfluous type conversion.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
If we call efi_clear_os_indications() before initializing the memory store
for UEFI variables a NULL pointer dereference occurs.
The error was observed on the sandbox with:
usb start
host bind 0 sandbox.img
load host 0:1 $kernel_addr_r helloworld.efi
bootefi $kernel_addr_r
Here efi_resister_disk() failed due to an error in the BTRFS implementation.
Move the logic to clear EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED
to the rest of the capsule code.
If CONFIG_EFI_IGNORE_OSINDICATIONS=y, we should still clear the flag.
If OsIndications does not exist, we should not create it as it is owned by
the operating system.
Fixes: 149108a3eb ("efi_loader: clear OsIndications")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
efi_system_reset() should exit if called with EFI_RESET_SHUTDOWN.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Our algorithm for creating USB device paths may lead to duplicate device
paths which result in efi_disk_register() failing. Instead we should just
skip devices that cannot be registered as EFI block devices.
Fix a memory leak in efi_disk_add_dev() caused by the duplicate device
path.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
If we look at the path that bootm/booti take when preparing to boot the
OS, we see that as part of (or prior to calling do_bootm_states,
explicitly) the process, bootm_disable_interrupts() is called prior to
announce_and_cleanup() which is where udc_disconnect() /
board_quiesce_devices() / dm_remove_devices_flags() are called from. In
the EFI path, these are called afterwards. In efi_exit_boot_services()
however we have been calling bootm_disable_interrupts() after the above
functions, as part of ensuring that we disable interrupts as required
by the spec. However, bootm_disable_interrupts() is also where we go
and call usb_stop(). While this has been fine before, on the TI J721E
platform this leads us to an exception. This exception seems likely to
be the case that we're trying to stop devices that we have already
disabled clocks for. The most direct way to handle this particular
problem is to make EFI behave like the do_bootm_states() process and
ensure we call bootm_disable_interrupts() prior to ending up in
usb_stop().
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Simon Glass <sjg@chromium.org>
Suggested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Scripts:
* Update spelling.txt
LMB:
* remove extern keyword in lmb.h
* drop unused lmb_size_bytes()
Test:
* test truncation in snprintf()
Documentation:
* add include/lmb.h to HTML documentation
UEFI:
* reduce non-debug logging output for measured boot
* fix use after free in measured boot
* startup the tpm device when installing the protocol
* implement EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES
* record capsule result only if capsule is read
Due to U-Boot's lazy binding mentality the TPM is probed but not properly
initialized. The user can startup the device from the command line
e.g 'tpm2 startup TPM2_SU_CLEAR'. However we can initialize the TPM during
the TCG protocol installation, which is easier to use overall.
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
As described in the TCG spec [1] in sections 7.1.1 and 7.1.2 the FinalEvent
table should include events after GetEventLog has been called. This
currently works for us as long as the kernel is the only EFI application
calling that. Specifically we only implement what's described in 7.1.1.
So refactor the code a bit and support EFI application(s) calling
GetEventLog. Events will now be logged in both the EventLog and FinalEvent
table as long as ExitBootServices haven't been invoked.
[1] https://trustedcomputinggroup.org/wp-content/uploads/EFI-Protocol-Specification-rev13-160330final.pdf
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
We have implemented all what is new in UEFI specification 2.9 and relevant
for U-Boot.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Implement the EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES event group
handling.
Add the definition of EFI_EVENT_GROUP_AFTER_READY_TO_BOOT.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Record capsule update result only if the capsule file is
successfully read, because the capsule GUID is not sure when
the file can not be read or the file is not a capsule.
Without this fix, if user puts a dummy (non-capsule) file
under (ESP)EFI/UpdateCapsule, U-Boot causes a synchronous
abort.
This also fixes use-after-free bug of the 'capsule' variable.
Fixes: c74cd8bd08 ("efi_loader: capsule: add capsule_on_disk support")
Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
log_info() is used for the debug level logging statement
which should use log_debug() instead. Convert it to reduce the
log output.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit adds the comment for efi_system_table and
efi_configuration_table structure.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This list is used by checkpatch.pl. The Linux v5.15 version has several
words that where mispelled in U-Boot too.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Test that the return value of snprintf() is correct in the case of
truncation.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
