Marcel Ziswiler [Mon, 22 Aug 2022 13:06:03 +0000 (15:06 +0200)]
verdin-imx8mm: various config additions and improvements
- integrate bootcount using SNVS_LP general purpose register LPGPR0
- enable link-time optimisation
- explicitly set a boot delay of one second
- enable CRC32 and MD5
- enable command for low-level access to data in a partition
- enable time commands
- enable PMIC commands
- improve ETHPRIME configuration
- enable eMMC HS400 functionality
- enable fixed PHY and MDIO driver model
- remove stale PFUZE100 PMIC driver
- enable thermal management unit driver
- enable more USB host functionality
- enable hexdump
on imx8(mm) the RXDMUXSEL needs to be set for data going over the wire
(as observable on a connected 'scope) to actually make it into the
RXFIFO
the reference manual is not overly clear about this, and only
mentiones that "UCR3_RXDMUXSEL should always be set." - and since the
CR3 register reverts to its reset values after setting the baudrate,
setting this bit is done during '_mxc_serial_setbgr'
Signed-off-by: Johannes Schneider <johannes.schneider@leica-geosystems.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Fabio Estevam <festevam@denx.de>
Update the distro config env memory layout for the Verdin iMX8M Mini and
Verdin iMX8M Plus:
- loadaddr=0x48280000 allows for 128.5MB area for uncompressing (ie FIT
images, kernel_comp_addr_r, kernel_comp_size)
- fdt_addr_r = loadaddr + 127.5MB : allows for 127.5MB kernel
- scriptaddr = fdt_addr_r + 512KB : allows for 512KB fdt
- ramdisk_addr_r = scriptaddr + 512KB : allows for 512KB script
Memory layout taken from commit fd5c7173ade4
("imx8m{m,n}_venice: update env memory layout") but moved loadaddr by an
additional 0.5MB to avoid "Moving Image from 0x48200000 to 0x48280000"
during booti plus actually defining kernel_comp_size to make booti work.
Note that for our regular BSP Layers and Reference Images for Yocto
Project an updated distro boot script is required (see
meta-toradex-bsp-common/recipes-bsp/u-boot/u-boot-distro-boot).
Marek Vasut [Fri, 19 Aug 2022 11:02:53 +0000 (13:02 +0200)]
ARM: imx: Update DDR frequency on i.MX8M Plus DHCOM
Commit 99c7cc58e12 ("ddr: imx: Add i.MX9 DDR controller driver")
contains an inobvious side-effect which renders all systems using
DRAM controller at 3732 MT/s unbootable. The change is located in
ddrphy_init_set_dfi_clk(), where the switch case statement entry
3732 changed to entry 3733, so any board with DDR calibration data
for 3732 MT/s operations needs to be updated to 3733 MT/s to match
the change.
Since there is currently only one such board, update the board instead
of handling both 3732 and 3733 options in the driver. It is likely the
NXP MX8MP RPA update will follow and use the later value too.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@denx.de> Cc: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Ye Li <ye.li@nxp.com> Cc: uboot-imx <uboot-imx@nxp.com> Reviewed-by: Fabio Estevam <festevam@denx.de>
Marek Vasut [Fri, 19 Aug 2022 11:02:23 +0000 (13:02 +0200)]
imx8m: ddrphy_utils: Remove unused file
The ddrphy_utils.c is now deduplicated in drivers/ddr/imx/phy/ddrphy_utils.c ,
this drivers/ddr/imx/imx8m/ddrphy_utils.c is a remnant from when the
deduplication was implemented and was not removed. Remove it as it is
unused.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@denx.de> Cc: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Ye Li <ye.li@nxp.com> Cc: uboot-imx <uboot-imx@nxp.com> Reviewed-by: Fabio Estevam <festevam@denx.de> Reviewed-by: Peng Fan <peng.fan@nxp.com>
Marek Vasut [Fri, 12 Aug 2022 20:59:10 +0000 (22:59 +0200)]
ARM: imx: dh-imx6: Increase SF erase area for u-boot update
Erase the entire U-Boot area during U-Boot update instead of just
a subset of it. This way, in case u-boot-with-spl.imx grows, the
sf write won't write over non-erased part of the SPI NOR.
Marek Vasut [Fri, 12 Aug 2022 20:41:49 +0000 (22:41 +0200)]
ARM: imx: Enable USB ethernet on i.MX8M Plus DHCOM
Enable both USB CDC ethernet and USB host ethernet on i.MX8M Plus DHCOM.
This is useful for bringing up systems without ethernet plug, but with
either USB host or gadget plug.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@denx.de> Cc: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de> Cc: uboot-imx <uboot-imx@nxp.com>
Tim Harvey [Thu, 11 Aug 2022 18:55:38 +0000 (11:55 -0700)]
board: gateworks: venice: add fixup for GW73xx-C+
The GW73xx-C revision and onward replaced the 5-port PCIe switch with a
4-port (dropping PCIe to one of the miniPCIe sockets) due to part
availability. This moved the PCI bus of the GbE eth1 device. Use a fixup
to adjust the dt accordingly so that local-mac-address assigned from dt
works on new revision boards.
While we are at it, rename 'blob' to 'fdt' for clarity.
When the imx8mm.dtsi file was pulled in from Linux, the UARTs
were moved into an spba sub-node which wasn't being included
in the SPL device tree. This meant the references to the UART
weren't being handled properly and when booting the system would
constantly reboot. Fix this by adding the spba node to the spl
device tree to restore normal booting.
Fixes: 4e5114daf9eb ("imx8mn: synchronise device tree with linux") Signed-off-by: Adam Ford <aford173@gmail.com>
Add HABv4 documentation extension for SPL targets covering the
following topics:
- How to sign an securely boot an flash.bin container image.
- How to extend the root of trust for additional boot images.
- Add SPL and fitImage CSF examples.
- Add signature generation script example.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Breno Lima <breno.lima@nxp.com> Cc: Fabio Estevam <festevam@denx.de> Cc: Heiko Schocher <hs@denx.de> Cc: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Utkarsh Gupta <utkarsh.gupta@nxp.com> Cc: Ye Li <ye.li@nxp.com>
The i.MXRT11 series has two new pll types but are variants of existing.
This patch adds the ability to read one of the pll types' frequency
as it can't be changed unlike the generic pll it also has the
division factors swapped.
The NXP i.MXRT1170 Evaluation Kit (EVK) provides a platform for rapid
evaluation of the i.MXRT, which features NXP's implementation of the Arm
Cortex-M7 and Cortex-M4 core.
The EVK provides 64 MB SDRAM, Micro SD card socket,
USB 2.0 OTG.
This patch aims to support the preliminary booting up features
as follows:
GPIO
LPUART
SD/MMC
SDRAM
Stefan Roese [Thu, 15 Sep 2022 14:20:36 +0000 (16:20 +0200)]
timer: orion-timer: Use timer_conv_64() to fix timer wrap around
While testing on some Kirkwood platforms it was noticed that the timer
did not function correctly all the time. The driver did not correctly
handle 32bit timer value wrap arounds. Using the timer_conv_64()
conversion function fixes this issue.
Fixes: e9e73d78a8fb ("timer: add orion-timer support") Suggested-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier-oss@weidmueller.com> Signed-off-by: Stefan Roese <sr@denx.de> Tested-by: Tony Dinh <mibodhi@gmail.com>
Marek Behún [Tue, 13 Sep 2022 16:10:28 +0000 (18:10 +0200)]
arm: mvebu: turris_omnia: Fix setting switch CONFIG pins on new board design
It seems that waiting only 10 ms after releasing LAN switch from reset
is not enough for the strapping pins to latch the requested values.
P6_MODE[0] is latched to 0 instead of 1.
Increasing the delay to 50 ms fixes this issue.
Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
i2c: stm32: do not set the STOP condition on error
Current function stm32_i2c_message_xfer is sending a STOP
whatever the result of the transaction is. This can cause issues
such as making the bus busy since the controller itself is already
sending automatically a STOP when a NACK is generated.
Thanks to Jorge Ramirez-Ortiz for diagnosing and proposing a first
fix for this. [1]
Functions stm32_i2c_message_start and stm32_i2c_handle_reload
both get a stop boolean indicating if the transfer should end with
a STOP or not. However no specific handling is needed in those
functions hence remove the parameter.
i2c: stm32: fix comment and remove unused AUTOEND bit
Comment within stm32_i2c_message_start is misleading, indicating
that AUTOEND bit is setted while it is actually cleared.
Moreover, the bit is actually never setted so there is no need
to clear it hence get rid of this bit clear and the bit macro
as well.
Activate the support of SCMI regulator to support the scmi_reg11,
scmi_reg18 and scmi_usb33 regulators present in the scmi device tree of
STMicroelectronics boards with stm32mp15-scmi.dtsi
Fixes: 6cccc8d396bf ("ARM: dts: stm32: add SCMI version of STM32 boards (DK1/DK2/ED1/EV1)") Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Commit 5bb2c550b11e ("arm: mvebu: Move internal registers in
arch_very_early_init() function") moved code from file cpu.c to lowlevel.c,
which moves Marvell internal registers from address INTREG_BASE_ADDR_REG to
SOC_REGS_PHY_BASE.
But the steps describing how to do it correctly were documented only in
older U-Boot versions and commit cefd764222ee ("arm: mvebu: Fix internal
register config on A38x") probably unintentionally removed important
details about MMU from code comments around.
Commit 5bb2c550b11e ("arm: mvebu: Move internal registers in
arch_very_early_init() function") implemented code movement according to
(now incomplete) comments which resulted in semi-broken code.
The result is that I-cache is currently disabled for all Armada 38x boards
and maybe there are some other (unreported / undetected) issues.
Reimplement it correctly. First flush all caches, then disable MMU and L2
cache and then move Marvell internal registers. There is no need to
explicitly disable I-cache.
After this change lzmadec command with lzma image of 0x7000000 bytes is
doing decompression just 5 seconds. Before this change it was 30 seconds.
To make lowlevel.S code more readable, extend asm/pl310.h header file to be
compatible with assembler and use macros from this file.
Fixes: 5bb2c550b11e ("arm: mvebu: Move internal registers in arch_very_early_init() function") Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
For some unknown reason when L2 cache is disabled on Armada 385 then loadb,
loadx and loady commands do not work with higher baudrates than 115200
(they just abort transfer) and lzmadec command with lzma image of size
0x7000000 (maybe even smaller, we tested this one) is doing decompression
for more than 2 minutes. After enabling L2 cache decompression takes only
30s and loadb, loadx and loady are stable and working fine.
git bisect identified problematic commit 3308933d2fe9 ("arm: mvebu: Avoid
reading MVEBU_REG_PCIE_DEVID register too many times"). Before this commit
above issues were not present.
But investigation showed that above issue was possible to reproduce also by
reverting that commit and forcing compiler to do inline optimization of
mvebu_soc_family() function. Which seems that the root of this issue is in
caches and position of instruction of segments. So currently it is unknown
what is or was broken, but code movement, code inlining or other compiler
optimization triggered it.
Commit 3e5ce7ceeb94 ("arm: mvebu: Enable L2 cache on Armada XP") mentioned
that enabling L2 cache on Armada XP improved performance and that Armada
38x has L2 disabled (which is default state) and if needed it has to be
enabled in separate patch. As enabling L2 cache also improve performance
on Armada 38x, enable it.
Note that Aurora cache in no outer mode is available only on Armada XP,
hence it is not touched for Armada 38x code.
Fixes: 3308933d2fe9 ("arm: mvebu: Avoid reading MVEBU_REG_PCIE_DEVID register too many times") Reported-by: Marek Behún <kabel@kernel.org> Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
arm: mvebu: Guard non-AXP code by checking for AXP
Commit c86d53fd88df ("arm: mvebu: Don't disable cache at startup on Armada
XP at all") introduced branch for non-AXP code which was guarded by A38X
condition. Fix this issue by checking for AXP platform, not by A38X.
Fixes: c86d53fd88df ("arm: mvebu: Don't disable cache at startup on Armada XP at all") Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Commit 3308933d2fe9 ("arm: mvebu: Avoid reading MVEBU_REG_PCIE_DEVID
register too many times") broke support for caches on all Armada SoCs.
Before that commit there was code:
if (mvebu_soc_family() != MVEBU_SOC_A375) {
dcache_enable();
}
And after that commit there is code:
if (IS_ENABLED(CONFIG_ARMADA_375)) {
dcache_enable();
}
Comment above this code says that d-cache should be disabled on Armada 375.
But new code inverted logic and broke Armada 375 and slowed down all other
Armada SoCs (including A38x).
Fix this issue by changing logic to:
if (!IS_ENABLED(CONFIG_ARMADA_375)) {
dcache_enable();
}
Which matches behavior prior that commit.
Fixes: 3308933d2fe9 ("arm: mvebu: Avoid reading MVEBU_REG_PCIE_DEVID register too many times") Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
arm: mvebu: turris_omnia: Allow to use second serial port
Turris Omnia has two serial ports. Both are already specified in device
tree file. But U-Boot by default does not allow to use more than one serial
port unless CONFIG_SERIAL_PROBE_ALL is not enabled.
After enabling CONFIG_SERIAL_PROBE_ALL, U-Boot see also second serial port
(but is inactive by default):
=> coninfo
List of available devices:
serial@12000 00000007 IO stdin stdout stderr
serial@12100 00000007 IO
To allow simultaneously to use more input / output devices it is needed to
enable CONFIG_CONSOLE_MUX option.
With CONFIG_CONSOLE_MUX it is possible to call:
=> setenv stdout 'serial@12000,serial@12100'
And U-Boot output is then visible on both serial ports.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
tools: termios_linux.h: Fix compilation on non-glibc systems
TCGETS2 is defined in header file asm/ioctls.h provided by linux kernel.
On glib systems it is automatically included by some other glibc include
header file and therefore TCGETS2 is present in termios_linux.h when
linux kernel provides it.
On non-glibc systems (e.g. musl) asm/ioctls.h is not automatically included
which results in the strange error that BOTHER is supported, TCGETS2 not
defined and struct termios does not provide c_ispeed member.
tools/kwboot.c: In function 'kwboot_tty_change_baudrate':
tools/kwboot.c:662:6: error: 'struct termios' has no member named 'c_ospeed'
662 | tio.c_ospeed = tio.c_ispeed = baudrate;
| ^
Fix this issue by explicitly including asm/ioctls.h file which provides
TCGETS2 macro (if supported on selected architecture) to not depending on
glibc auto-include behavior and because termios_linux.h requires it.
With this change it is possible compile kwboot with musl libc.
Reported-by: Michal Vasilek <michal.vasilek@nic.cz> Signed-off-by: Pali Rohár <pali@kernel.org>
Pali Rohár [Mon, 29 Aug 2022 13:44:48 +0000 (15:44 +0200)]
arm: mvebu: turris_mox: Add support for distroboot $fdt_addr
$fdt_addr is mandatory for systems which provides DTB in HW (e.g. ROM) and
wishes to pass that DTB to Linux.
Turris Mox contains DTB binary in SPI NOR memory at "dtb" partition which
starts at offset 0x7f0000 and is 0x10000 bytes long.
Armada 3700 CPU does not allow mapping SPI NOR memory into physical address
space like on other architectures and therefore set $fdt_addr variable to
memory range in RAM and loads this DTB binary from SPI NOR in misc_init_r()
function.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Pali Rohár [Sat, 27 Aug 2022 18:49:20 +0000 (20:49 +0200)]
arm: mvebu: turris_{omnia, mox}: Reset bootdelay env for rescue
When rescue mode was activated reset also bootdelay env variable to its
default value. This will ensure that reset button works and starts rescue
mode also in the case when user changed bootdelay env variable to -1 (which
has meaning to not start autoboot).
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Pali Rohár [Sat, 27 Aug 2022 18:06:30 +0000 (20:06 +0200)]
board: turris: Initialize serial# env
Store serial number from atsha cryptochip into the serial# env variable.
U-Boot automatically puts content of this variable into the root device
tree property serial-number when booting Linux kernel. Refactor turris
atsha code and from turris_atsha_otp_get_serial_number() function returns
directly string suitable for printing or storing into device tree. Because
during different boot stages is env storage read-only, it is not possible
to always store serial number into env storage. So introduce a new function
turris_atsha_otp_init_serial_number() which is called at later stage and
which ensures that serial number is correctly stored into env.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Pali Rohár [Tue, 23 Aug 2022 12:52:24 +0000 (14:52 +0200)]
cmd: mvebu/bubt: Check for A38x/A37xx OTP secure bits and secure boot
For obvious reasons BootROMS rejects unsigned images when secure boot is
enabled in OTP secure bits. So check for OPT secure bits and do not allow
flashing unsigned images when secure boot is enabled. Access to OTP via
U-Boot fuse API is currently implemented only for A38x and A37xx SoCs.
Additionally Armada 3700 BootROM rejects signed trusted image when secure
boot is not enabled in OTP. So add also check for this case. On the other
hand Armada 38x BootROM acceps images with secure boot header when secure
boot is not enabled in OTP.
OTP secure bits may have burned also boot device source. Check it also and
reject flashing images to target storage which does not match OTP.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Stefan Roese [Fri, 19 Aug 2022 07:43:59 +0000 (09:43 +0200)]
tools: kwboot: Change KWBOOT_MSG_RSP_TIMEO_AXP to 10ms
Testing on the theadorable Armada XP platform has shown, thaz using the
current value of 1000ms as response timeout does not result in reliable
booting via kwboot. Using 10ms seems to be much better. So let's change
this value to this 10ms instead.
Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Pali Rohár <pali@kernel.org>
Tony Dinh [Wed, 17 Aug 2022 21:59:44 +0000 (14:59 -0700)]
arm: kirkwood: Add CONFIG_SUPPORT_PASSING_ATAGS
Add CONFIG_SUPPORT_PASSING_ATAGS and friends to support legacy
image method of booting. Debian and OpenWrt installer use uImage
with appended DTB for these Kirkwood boards.
Signed-off-by: Tony Dinh <mibodhi@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de>
Rasmus Villemoes [Mon, 22 Aug 2022 07:34:23 +0000 (09:34 +0200)]
fdt_support: add optional board_rng_seed() hook
A recurring theme on LKML is the boot process deadlocking due to some
process blocking waiting for random numbers, while the kernel's
Cryptographic Random Number Generator (crng) is not initalized yet,
but that very blocking means no activity happens that would generate
the entropy necessary to finalize seeding the crng.
This is not a problem on boards that have a good hwrng (when the
kernel is configured to trust it), whether in the CPU or in a TPM or
elsewhere. However, that's far from all boards out there. Moreover,
there are consumers in the kernel that try to obtain random numbers
very early, before the kernel has had any chance to initialize any
hwrng or other peripherals.
Allow a board to provide a board_rng_seed() function, which is
responsible for providing a value to be put into the rng-seed property
under the /chosen node.
The board code is responsible for how to actually obtain those
bytes.
- One possibility is for the board to load a seed "file" from
somewhere (it need not be a file in a filesystem of course), and
then ensure that that the same seed file does not get used on
subsequent boots.
* One way to do that is to delete the file, or otherwise mark it as
invalid, then rely on userspace to create a new one, and living
with the possibility of not finding a seed file during some boots.
* Another is to use the scheme used by systemd-boot and create a new
seed file immediately, but in a way that the seed passed to the
kernel and the new (i.e. next) seed cannot be deduced from each
other, see the explanation at
https://lore.kernel.org/lkml/20190929090512.GB13049@gardel-login/
and the current code at
https://github.com/systemd/systemd/blob/main/src/boot/efi/random-seed.c
- The board may have an hwrng from which some bytes can be read; while
the kernel can also do that, doing it in U-Boot and providing a seed
ensures that even very early users in the kernel get good random
numbers.
- If the board has a sensor of some sort (temperature, humidity, GPS,
RTC, whatever), mixing in a reading of that doesn't hurt.
- etc. etc.
These can of course be combined.
The rng-seed property is mixed into the pool used by the linux
kernel's CRNG very early during boot. Whether it then actually
contributes towards the kernel considering the CRNG initialized
depends on whether the kernel has been configured with
CONFIG_RANDOM_TRUST_BOOTLOADER (nowadays overridable via the
random.trust_bootloader command line option). But that's for the BSP
developer to ultimately decide.
So, if the board needs to have all that logic, why not also just have
it do the actual population of /chosen/rng-seed in ft_board_setup(),
which is not that many extra lines of code?
I considered that, but decided handling this logically belongs in
fdt_chosen(). Also, apart from saving the board code from the few
lines of boilerplate, doing it in ft_board_setup() is too late for at
least some use cases. For example, I want to allow the board logic to
decide
ok, let's pass back this buffer and use that as seed, but also let's
set random.trust_bootloader=n so no entropy is credited.
This requires the rng-seed handling to happen before bootargs
handling. For example, during the very first boot, the board might not
have a proper seed file, but the board could still return (a hash of)
some CPU serial# or whatnot, so that at least no two boards ever get
the same seed - the kernel always mixes in the value passed in
rng-seed, but if it is not "trusted", the kernel would still go
through the same motions as it would if no rng-seed was passed before
considering its CRNG initialized. I.e., by returning that
unique-to-this-board value and setting random.trust_bootloader=n, the
board would be no worse off than if board_rng_seed() returned nothing
at all.
UEFI block devices can either mirror U-Boot's internal devices or be
provided by an EFI application like iPXE.
When ConnectController() is invoked for the EFI_BLOCK_IO_PROTOCOL
interface for such an application provided device we create a virtual
U-Boot block device of type "efi_blk".
Currently we do not call ConnectController() when handles for U-Boot's
internal block devices are created. If an EFI application calls
ConnectController() for a handle relating to an internal block device,
we erroneously create an extra "efi_blk" block device.
E.g. the UEFI shell has a command 'connect -r' which calls
ConnectController() for all handles with device path protocol.
In the Supported() method of our EFI_DRIVER_BINDING_PROTOCOL return
EFI_UNSUPPORTED when dealing with an U-Boot internal device.
Change efi_delete_handle() to not free EFI handles twice.
This change tries to resolved an issue seen since U-Boot v2022.07
in which ExitBootService() attempts to release some EFI handles twice.
The issue was seen booting a EFI shell that invokes 'connect -r' and
then boots a Linux kernel. Execution of connect command makes EFI
subsystem to bind a block device for each root block devices EFI handles.
However these EFI device handles are already bound to a driver and we
can have 2 registered devices relating to the same EFI handler. On
ExitBootService(), the loop removing the devices makes these EFI handles
to be released twice which corrupts memory.
This patch prevents the memory release operation caused by the issue but
but does not resolve the underlying problem.
Tom Rini [Thu, 8 Sep 2022 12:33:41 +0000 (08:33 -0400)]
Merge tag 'u-boot-stm32-20220907' of https://source.denx.de/u-boot/custodians/u-boot-stm
- simplify the STM32MP15x package parsing code
- remove test on CONFIG_DM_REGULATOR in stm32mp1 board
and enable CONFIG_DM_REGULATOR for stm32f769-disco
- handle ck_usbo_48m clock provided by USBPHYC to fix the command 'usb start'
after alignment with Linux kernel v5.19 DT (clocks = <&usbphyc>)
- Fix SYS_HZ_CLOCK value for stih410-b2260 board
- Switch STMM32MP15x DHSOM to FMC2 EBI driver
- Remove hwlocks from pinctrl in STM32MP15x to avoid issue with kernel
Sean Anderson [Wed, 7 Sep 2022 05:44:55 +0000 (13:44 +0800)]
net: fm: Add support for FIT firmware
Fman microcode is executable code (AFAICT) loaded into a
coprocessor. As such, if verified boot is enabled, it must be verified
like other executable code. However, this is not currently done.
This commit adds verified boot functionality by encapsulating the
microcode in a FIT, which can then be signed/verified as normal. By
default we allow fallback to unencapsulated firmware, but if
CONFIG_FIT_SIGNATURE is enabled, then we make it mandatory. Because
existing Layerscape do not use this config (instead enabling
CONFIG_CHAIN_OF_TRUST), this should not break any existing boards.
An example (mildly-abbreviated) its is provided below:
Sean Anderson [Tue, 16 Aug 2022 15:16:04 +0000 (11:16 -0400)]
ARMv8/sec_firmware: Convert to use fit_get_data_conf_prop
This reduces sec_firmware_get_data to a single call to
fit_get_data_conf_prop. I think sec_firmware_check_copy_loadable could also
be converted, but it does not map as straightforwardly, so I have left it
for a future cleanup.
Signed-off-by: Sean Anderson <sean.anderson@seco.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Sean Anderson [Tue, 16 Aug 2022 15:16:03 +0000 (11:16 -0400)]
image: fit: Add some helpers for getting data
Several different firmware users have repetitive code to extract the
firmware data from a FIT. Add some helper functions to reduce the amount
of repetition. fit_conf_get_prop_node (eventually) calls
fdt_check_node_offset_, so we can avoid an explicit if. In general, this
version avoids printing on error because the callers are typically
library functions, and because the FIT code generally has (debug)
prints of its own. One difference in these helpers is that they use
fit_image_get_data_and_size instead of fit_image_get_data, as the former
handles external data correctly.
Signed-off-by: Sean Anderson <sean.anderson@seco.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Pali Rohár [Mon, 1 Aug 2022 12:50:12 +0000 (14:50 +0200)]
board: freescale: p1_p2_rdb_pc: Calculate offsets for eSDHC boot sector
Correctly calculate offsets between SPL and proper U-Boot when new config
option CONFIG_FSL_PREPBL_ESDHC_BOOT_SECTOR for generating eSDHC boot sector
is enabled. Otherwise SPL would not be able to boot proper U-Boot.
Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Pali Rohár [Mon, 1 Aug 2022 13:35:43 +0000 (15:35 +0200)]
board: freescale: p1_p2_rdb_pc: Delete watchdog max6370 node in load_default mode
CPLD in load_default mode ignores watchdog reset signal. It does not reset
board when watchdog triggers reset signal.
Detect load_default mode by GPIO7 - LOAD_DEFAULT_N and delete watchdog
max6370 node from device to prevent registering driver for non-working
watchdog.
Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
All *boot env commands overrides default boot source location via i2c.
After board reset without power off, BootROM then starts booting U-Boot
from this specified location instead of the default one.
Add new env command defboot which reverts boot location to the default
value, which in most cases is configurable by HW DIP switches.
And add new env commands norlowerboot, norupperboot, sd2boot to boot from
other locations. norlowerboot would instruct BootROM to boot from lower NOR
bank, norupperboot from upper NOR bank and sd2boot from SD card with
alternative configuration.
Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Removes hwlocks properties from stm32mp151 pinctrl node. These locks
could be used for other purpose, depending on board and software
configuration hence do not enforce their use to protect pinctrl
devices.
This patch is an alignment with Linux device tree with v6.0 as the
hwsem support wasn’t yet added in pincontrol in kernel. It avoids
issues when the Linux kernel is started with the U-Boot device tree.
Cc: Patrice Chotard <patrice.chotard@foss.st.com> Cc: Patrick Delaunay <patrick.delaunay@foss.st.com> Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Patrice Chotard [Wed, 24 Aug 2022 13:44:40 +0000 (15:44 +0200)]
configs: stm32: Enable CONFIG_DM_REGULATOR for stm32f769-disco
Since commit 5bc6f8c2a97e("video: stm32: remove test on CONFIG_DM_REGULATOR")
backlight was broken with the following message at boot:
stm32-display-dsi dsi@40016c00: Warning: cannot get phy dsi supply
stm32_display display-controller@40016800: panel panel enable backlight error -38
DM_REGULATOR flag must be enabled to fix this issue
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Patrice Chotard [Wed, 24 Aug 2022 13:42:37 +0000 (15:42 +0200)]
ARM: dts: stm32: Fix display-timings settings for stm32f746-disco
Since commit ef4ce6df3289 "video: stm32: stm32_ltdc: fix data enable polarity"
The panel display output wasn't functional anymore.
Device tree display-timings de-active property value must be updated
to 1.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Patrick Delaunay [Mon, 20 Jun 2022 10:36:10 +0000 (12:36 +0200)]
board: stm32mp1: remove test on CONFIG_DM_REGULATOR
The tests on CONFIG_DM_REGULATOR, added to avoid compilation issues, can
now be removed, they are no more needed since the commit 16cc5ad0b439
("power: regulator: add dummy helper").
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Pali Rohár [Mon, 1 Aug 2022 13:31:46 +0000 (15:31 +0200)]
board: freescale: p1_p2_rdb_pc: Turn off watchdog before reset
P1/P2 RDB boards have external max6370 watchdog connected to CPLD and this
watchdog is not deactivated on board reset. So if it is active during board
reset, it can trigger another reset when CPU is booting U-Boot. To prevent
possible infinite reset loop caused by external watchdog, turn it off
before reset.
Do it via a new board_reset_prepare() callback which is called from
do_reset() function before any reset sequence.
Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Pali Rohár [Mon, 1 Aug 2022 13:31:45 +0000 (15:31 +0200)]
board: freescale: p1_p2_rdb_pc: Avoid usage of CPLD's system reset register
CPLD's system reset register is buggy and requires workaround in U-Boot.
So use this kind of board reset only when there is no other reset option.
Introduce a new board_reset_last() callback which is last-stage
board-specific reset and implement CPLD's system reset in this new
board_reset_last() callback instead of board_reset() callback.
Pali Rohár [Mon, 1 Aug 2022 13:31:44 +0000 (15:31 +0200)]
board: freescale: p1_p2_rdb_pc: Add workaround for non-working watchdog
If watchdog timer was already set to non-disabled value then it means that
watchdog timer was already activated, has already expired and caused CPU
reset. If this happened then due to CPLD firmware bug, writing to wd_cfg
register has no effect and therefore it is not possible to reactivate
watchdog timer again. Watchdog starts working again after CPU reset via
non-watchdog method.
Implement this workaround (reset CPU when it was reset by watchdog) to make
watchdog usable again. Watchdog timer logic on these P1/P2 RDB boards is
connected to CPLD, not to SoC itself.
Note that reset does not occur immediately after calling do_reset(), but
after few ms later as real reset is done by CPLD. So it is normal that
function do_reset() returns. Therefore hangs after calling do_reset() to
prevent CPU execution of the rest U-Boot code.
Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Pali Rohár [Mon, 1 Aug 2022 13:31:43 +0000 (15:31 +0200)]
board: freescale: p1_p2_rdb_pc: Add workaround for board reset reboot loop
CPLD's system reset register on P1/P2 RDB boards is not autocleared after
flipping it. If this register is set to one in 100ms after reset starts
then CPLD triggers another CPU reset.
This means that trying to reset board via CPLD system reset register cause
reboot loop. To prevent this reboot loop, the only workaround is to try to
clear CPLD's system reset register as early as possible. U-Boot is already
doing it in its board_early_init_f() function, which seems to be enough as
register is cleared prior CPLD triggers another reset.
But board_early_init_f() is not called from SPL and therefore usage of SPL
can cause reboot loop.
To prevent reboot loop when using SPL, call board_early_init_f() function
in SPL too. For accessing CPLD memory space it is needed to have CPLD entry
in TLB.
With this change it is possible to trigger board reset via CPLD's system
reset register on P2020 RDB board.
Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com>
projects / u-boot.git / log
