Commit Graph
75140 Commits
Author SHA1 Message Date
Simon GlassandTom Rini 032e7f6ef8 dtoc: Further improve documentation about warnings
Split this information into subsections and expand it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-16 13:19:25 -04:00
Tom Rini 44131caa40 scripts/config_whitelist.txt: Fix after merging
CONFIG_SPIFLASH is manually re-added as it is not a new symbol, but now
only exists in CONFIG_SYS_EXTRA_OPTIONS.

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-16 13:18:21 -04:00
Tom Rini 36f890f6b0 pci: Fix mismerge with v2021.10-rc4
With legacy PCI code removed and thus DM_PCI also removed, a few places
did not get correctly updated with the merge to next and thus broke.
Remove now extraneous dependencies on DM_PCI.

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-16 11:46:44 -04:00
Tom Rini 6674edaabf Merge tag 'v2021.10-rc4' into next
Prepare v2021.10-rc4

Signed-off-by: Tom Rini <trini@konsulko.com>

# gpg: Signature made Tue 14 Sep 2021 06:58:32 PM EDT
# gpg:                using RSA key 1A3C7F70E08FAB1707809BBF147C39FF9634B72C
# gpg: Good signature from "Thomas Rini <trini@konsulko.com>" [ultimate]

# Conflicts:
#	board/Arcturus/ucp1020/spl.c
#	cmd/mvebu/Kconfig
#	common/Kconfig.boot
#	common/image-fit.c
#	configs/UCP1020_defconfig
#	configs/sifive_unmatched_defconfig
#	drivers/pci/Kconfig
#	include/configs/UCP1020.h
#	include/configs/sifive-unmatched.h
#	lib/Makefile
#	scripts/config_whitelist.txt
2021-09-16 10:29:40 -04:00
Tom Rini bb92678ced Prepare v2021.10-rc4
Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-14 18:58:10 -04:00
Tom Rini e3e2c6430b configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-14 18:48:05 -04:00
Alexandru GagniucandTom Rini 1ac7580a22 image: Avoid erroneous double byte-swap in CRC value
The hash algorithm selection was streamlined in commit 92055e138f
("image: Drop if/elseif hash selection in calculate_hash()"). Said
commit kept the call to cpu_to_uimage() to convert the CRC to big
endian format.

This would have been correct when calling crc32_wd(). However, the
->hash_func_ws member of crc32 points to crc32_wd_buf(), which already
converts the CRC to big endian. On a little endian host, doing both
conversions results in a little-endian CRC. This is incorrect.

To remedy this, simply drop the call to cpu_to_uimage(), thus only
doing the byte-order conversion once.

Fixes: 92055e138f ("image: Drop if/elseif hash selection in
       calculate_hash()")
Tested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2021-09-14 18:44:02 -04:00
Tom Rini c6eac9122f Merge branch '2021-09-14-assorted-fixes'
- Assorted bugfixes
2021-09-14 15:47:07 -04:00
Alexandru GagniucandTom Rini de41f0ee0d image: rsa: Move padding_algos to linker lists
We are not guaranteed to have the padding_pkcs_15_verify symbol since
commit 92c960bc1d ("lib: rsa: Remove #ifdefs from rsa.h"), and
commit 61416fe9df ("Kconfig: FIT_SIGNATURE should not select RSA_VERIFY")

The padding_algos only make sense with RSA verification, which can now
be disabled in lieu of ECDSA. In fact this will lead to build failures
because of the missing symbol mentioned earlier.

To resolve this, move the padding_algos to a linker list, with
declarations moved to rsa_verify.c. This is consistent with commit
6909edb4ce ("image: rsa: Move verification algorithm to a linker list")

One could argue that the added #ifdef USE_HOSTCC is ugly, and should
be hidden within the U_BOOT_PADDING_ALGO() macro. However, this would
be inconsistent with the "cryptos" list. This logic for was not
previously explored:

Without knowledge of the U_BOOT_PADDING_ALGO() macro, its use is
similar to something being declared. However, should #ifndef
USE_HOSTCC be part of the macro, it would not be obvious that it
behaves differently on host code and target code. Having the #ifndef
outside the macro makes this obvious.

Also, the #ifdef is not always necessary. For example ecda-verify
makes use of U_BOOT_CRYPTO_ALGO() without any accompanying #ifdefs.
The fundamental issue is a lack of separation of host and target code
in rsa_verify. Therefore, the declaration of a padding algo with the
external #ifdef is more readable and consistent.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2021-09-14 11:46:48 -04:00
Yuan FangandTom Rini 423e324de2 pinctrl: fix typo
fix typo in pinctrl Kconfig file to avoid git commit failure on
some commit hooks check.

Signed-off-by: Yuan Fang <fangyuanseu@gmail.com>
2021-09-14 09:07:18 -04:00
Oleksandr SuvorovandTom Rini 5145bc73bd lib: fix typos in Kconfig
There are trivial typos in the Kconfig file. Fixed them.
Also, fixed grammar in the descriptions with typos.

Fixes: d56b4b1974 ("configs: Migrate RBTREE, LZO, CMD_MTDPARTS, CMD_UBI and CMD_UBIFS")
Fixes: 7264f2928b ("spl: fit: Eanble GZIP support for image decompression")
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2021-09-14 09:07:18 -04:00
Heinrich SchuchardtandTom Rini d607dfd878 lib/rsa: don't use NULL as key_id
If keydir is not provided but name is we want to use name as key_id.

But with the current coding name is only used on its own if it is NULL
and keydir is provided which never occurs.

Fixes: 824ee745fb ("lib/rsa: Use the 'keyfile' argument from mkimage")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-09-14 09:07:18 -04:00
Tom Rini 5c25757326 Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sunxi
- a fix for U-Boot 2021.10 to bring back MMC boot on older boards.
2021-09-13 21:03:36 -04:00
Andre Przywara 0b508ca821 sunxi: mmc: A20: Fix MMC optimisation
Some SoCs (as seen on A20) seem to misreport the MMC FIFO level if the
FIFO is completely full: the level size reads as zero, but the FIFO_FULL
bit is set. We won't do a single iteration of the read loop in this
case, so will be stuck forever.

Check for this situation and use a safe minimal FIFO size instead when
we hit this case.

This fixes MMC boot on A20 devices after the MMC FIFO optimisation
(9faae5457f).

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
2021-09-14 00:02:10 +01:00
Tom Rini eafcaf8a6e Merge branch '2021-09-09-finish-pre-DM_PCI-removal'
- Finish removing the non-DM_PCI legacy code.
2021-09-13 18:23:24 -04:00
Simon GlassandTom Rini 3232bdf0b3 pci: Drop DM_PCI
This option has not effect now. Drop it, using PCI instead where needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-13 18:23:13 -04:00
Simon GlassandTom Rini 23cacd5704 pci: Drop PCI_INDIRECT_BRIDGE
This does not work with driver model so can be removed.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-13 18:23:13 -04:00
Simon GlassandTom Rini e882a59ef1 net: Drop DM_PCI check from designware driver
We don't need this check anymore since when PCI is enabled, driver model
is always used.

Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-13 18:23:13 -04:00
Simon GlassandTom Rini d6d504d7ba pci: acpi: Drop DM_PCI check from ahci
We don't need these checks anymore since when PCI is enabled, driver model
is always used.

Drop them.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-13 18:23:13 -04:00
Simon GlassandTom Rini b717f2f2d1 pci: Drop DM_PCI check from fdtdec
We don't need this check anymore since when PCI is enabled, driver model
is always used.

Sadly this doesn't work with nds32 for some reason to do with the
toolchain. Add a work-around for that.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-13 18:23:13 -04:00
Simon GlassandTom Rini 26543cc6fa pci: Drop old code from header file
We don't need this code anymore since when PCI is enabled, driver model is
always used.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-13 18:23:13 -04:00
Simon GlassandTom Rini 46596c653b ppc: Remove UCP1020 board
This board has not been converted to CONFIG_DM_PCI by the deadline.
Remove it.

Note that we have to add CONFIG_SPIFLASH to scripts/config_whitelist.txt
because it's not really migrated at this point.

Acked-by: Michael Durrant <mdurrant@arcturusnetworks.com>
Acked-by: Oleksandr Zhadan <oleks@arcturusnetworks.com>
Acked-by: Oleksandr Zhadan and Michael Durrant <arcsupport@arcturusnetworks.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Handle CONFIG_SPIFLASH differently and delete Kconfig file]
Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-13 18:22:50 -04:00
Tom Rini 7958292f5f Merge tag 'mmc-2021-9-13' of https://source.denx.de/u-boot/custodians/u-boot-mmc
Support using mmc command for enumerating mmc card in a given mode
Fix device_remove in mmc
Fix switch issue with send_status disabled
Drop 1ms delay in fsl_esdhc command sending
Revert "mmc: sdhci: set to INT_DATA_END when there are data"
2021-09-13 08:31:41 -04:00
Michael WalleandPeng Fan 285edfd782 mmc: fsl_esdhc: remove 1ms sleep in esdhc_send_cmd_common()
Since the beginning of this driver which was initially for the MPC8379
and MPC8536 SoCs, there is this spurious 1ms delay. According to the
comment it should actually be only 8 clock cycles. Esp. during EFI block
transfers, this 1ms add up to a significant delay and slows down EFI
boot.

I couldn't find any mention in the MPC8536 that there should be a delay
of 8 clock cycles between commands. The SD card specification mentions that
the clock has to be left enabled for 8 cycles after a command or
response. But I don't see how this delay will help with this.

Go ahead and just remove it. If there will ever be any regression we can
introduce a compile time flag, but for now I'd like to keep it simple.

In the split off imx driver this delay was also removed in commit
9098682200 ("mmc: fsl_esdhc_imx: remove the 1ms delay before sending
command").

Signed-off-by: Michael Walle <michael@walle.cc>
2021-09-13 11:46:50 +08:00
Tom Rini 56a85b831f Merge tag 'efi-2021-10-rc4-2' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2021-10-rc4-2

Documentation:

* improve documentation of U-Boot for /config DT node
* integrate bloblist documentation

UEFI:

* correct usage of EFI_CALL()
* code tidy up
2021-09-12 20:33:21 -04:00
Tom Rini 4f8bf67f9c Merge branch '2021-09-11-update-docker-container' into next
- Update to latest Docker container images for CI.  This includes QEMU
  6.1.0 and support for SiFive Unleashed being tested.
2021-09-11 13:18:35 -04:00
Tom Rini 201853834a CI: Update to latest container images
- Current Ubuntu/Focal tag
- QEMU 6.1.0
- genimage tool added

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-11 12:15:15 -04:00
Bin MengandTom Rini 0e60b3a718 azure/gitlab: Add tests for SiFive Unleashed board
This adds CI tests for SiFive Unleashed board.

QEMU supports booting exact the same images as used on the real
hardware out of the box, that U-Boot SPL loads U-Boot proper
from either an SD card or the SPI NOR flash, hence we can easily
set up CI to cover these 2 boot flows of SiFive Unleashed board.

With this, now we can have regression testing of mmc-spi-slot and
sifive spi drivers, as well as mmc and spi-nor subsystems.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2021-09-11 10:40:31 -04:00
Bin MengandTom Rini 8c17a18f8c riscv: sifive: unleashed: Add genimage config files
This adds genimage [1] config files for generating SD card and spi-nor
images, which can be programmed to an SD card or SPI flash and boot
from there.

The same images will be used for U-Boot CI testing for this board.

[1] https://github.com/pengutronix/genimage

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
2021-09-11 10:40:31 -04:00
Bin MengandTom Rini 3283a05275 tools: docker: Build and install genimage
genimage [1] is a tool to create flash/disk images. This is required
by some targets, e.g.: sifive_unleashed, to generate sdcard or spi-nor
images for real hardware, as well as U-Boot CI testing.

[1] https://github.com/pengutronix/genimage

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2021-09-11 10:40:31 -04:00
Bin MengandTom Rini a30e53cc37 tools: docker: Bump up QEMU version to 6.1.0
At present U-Boot CI testing is still using QEMU 4.2.0 which is
pretty old. Let's bump up to QEMU 6.1.0.

ninja-build is added as the prerequisite required by QEMU 6.1.0.

Note there is a bug in QEMU 6.1.0 Xilinx Zynq UART emulation codes.
A quick fix [1] was posted on QEMU mailing list but it it too late
for 6.1.0 release. Let's manually apply the bug fix on top of the
v6.1.0 release tag at the time being.

[1] http://patchwork.ozlabs.org/project/qemu-devel/patch/20210823020813.25192-2-bmeng.cn@gmail.com/

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2021-09-11 10:40:31 -04:00
Tom Rini 5c1ed64259 Dockerfile: Update to latest "focal" tag
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-11 10:40:31 -04:00
Tom Rini 78528b3e7e Merge branch '2021-09-10-assorted-TI-updates'
- A number of TI platform bugfixes
2021-09-11 08:15:56 -04:00
Heinrich Schuchardt aec7c0925c efi_loader: simplify efi_watchdog_timer_notify()
We can call do_reset() directly without invoking the UEFI API.
This decreases the code size.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Heinrich Schuchardt f4c1a14f96 efi_loader: eliminate EFI_CALL() in nvedit_efi.c
Reduce the code size by avoiding using the external UEFI API and using our
internal functions instead.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Ilias ApalodimasandHeinrich Schuchardt 0bf538ce0c efi_loader: Remove incorrect calls of EFI_CALL in TCG2
There is two unneeded EFI_CALL references in tcg2_measure_pe_image().
The first one in efi_search_protocol() and the second on in the device path
calculation.  The second isn't even a function we should be calling, but a
pointer assignment, which happens to work with the existing macro.

While at it switch the malloc call to a calloc, remove the unnecessary cast
and get rid of an unneeded if statement before copying the device path

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Heinrich Schuchardt 6919619f9c efi_loader: require CONFIG_BLK
The move to driver model should by now be completed. To be able to remove
pre-driver model code from our block IO code require CONFIG_BLK=y for UEFI
support.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Masahisa KojimaandHeinrich Schuchardt bad49da2bc efi_loader: boot_service_capability_min should be capitalized
boot_service_capability_min is constant, it should be capitalized.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Simon GlassandHeinrich Schuchardt 19e699fb2b doc: Complete the list of available runtime-config options
The current list is missing a few items. Add them.

Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Simon GlassandHeinrich Schuchardt 8eb4a76d85 doc: Tidy up the bindings for the config/ node
Sort these and add a type so it is clear how to set the value. Add a note
about usage to the top. Correct the 'no-keyboard' binding which is missing
a prefix.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Simon GlassandHeinrich Schuchardt 4d7bb45dc4 bloblist: Move to rST format
Move this documentation to the new format.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-09-11 11:02:02 +02:00
Oleksandr SuvorovandHeinrich Schuchardt 61902123d4 doc: board: toradex: fix file names
Fix the documentation file names: s/apalix/apalis/.

Fixes: e98ea49a0e ("toradex: MAINTAINERS: entries for new reST docs")
Fixes: 3730106cf0 ("doc: board: apalis-imx8x: add documentation")
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Reviewed-by: Igor Opaniuk <igor.opaniuk@foundries.io>
Acked-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-09-11 11:02:02 +02:00
Aswath GovindrajuandTom Rini cab1306a09 configs: j72*_evm: Define the buffer sizes for dfu
On J721e R5 SPL, dfu buffer for loading sysfw.itb image gets allocated
before DRAM gets initialized. So, the buffer gets allocated in MCU L3
RAM. The current buffer size to be allocated is 256KB  and the available
total heap memory is 0x70000 (448KB). This leads to NOMEM errors during
allocation.

In other cases when constraints such as above are not present fix the size
of buffers to the sector size in OSPI for proper functioning.

Also, if CONFIG_SYS_DFU_DATA_BUF_SIZE is defined and
CONFIG_SYS_DFU_MAX_FILE_SIZE is not defined then the max file size for dfu
transfer is defined as CONFIG_SYS_DFU_DATA_BUF_SIZE.

Fix these by setting appropriate buffer sizes in their respective defconfig
files and defining the max file size as 8 MB which is the default dfu
buffer size.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
2021-09-10 20:10:20 -04:00
Aswath GovindrajuandTom Rini 7026b88844 environment: ti: k3_dfu: Increase the size allocated for bootloader images in dfu_alt_info_ram
The size of u-boot.img is above 1MB and that of tispl.bin is close to 1MB,
in case of j721e. Therefore, increase the sizes allocated for tispl.bin and
u-boot.img to 2 MB and 4 MB respectively, in dfu_alt_info_ram environment
variable.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
2021-09-10 20:10:20 -04:00
Aswath GovindrajuandTom Rini fa7a14576d arm: dts: k3-j721e-r5-*.dts: Fix clock-names property in the usb0 instance
In the cdns3 usb driver, the clock name looked for is ref. Therefore, fix
the clock-names property in usb0 instance for proper initialization of
cdns3 usb gadget driver.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
2021-09-10 20:10:20 -04:00
Roger QuadrosandTom Rini 72f78c6918 ARM: dts: Fix node status to "okay" on TI boards
As per Device Tree Specification [1], the status parameter of nodes can
be "okay", "disabled", etc. "ok" is not a valid parameter.

U-boot Driver Model does not recognize status="ok" either and treats
the node as disabled.

[1] https://github.com/devicetree-org/devicetree-specification/releases/tag/v0.3

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Nishanth Menon <nm@ti.com>
2021-09-10 20:10:20 -04:00
Suman AnnaandTom Rini 7d67334dfe tools: k3_fit_atf: Fix DM binary FIT load addresses
The DM binary runs on the MCU R5F Core0 after R5 SPL on J721E and J7200
SoCs. The binary is built alongside the TFA, OPTEE and A72 SPL binaries
and included in the tispl.bin FIT image. The R5 SPL loads the DM binary
at 0xA0000000 address, based on the value used in the FIT image build
script. The DM binary though is an ELF image and not a regular binary
file, and so is processed further to load the actual program segments
using the U-Boot's standard ELF loader library.

The DM binary does leverage a certain portion of DDR for its program
segments, and typically reserves 16 MB of DDR at 0xA0000000 with the
1st MB used for IPC between Linux and the remote processor, and
remaining memory for firmware segments. This can cause an incomplete
loading of the program segments if the DM binary is larger than 1 MB,
due to overlap of the initial loaded binary and the actual program
segments.

Fix this by using the address 0x89000000, which matches the current
"addr_mcur5f0_0load" env variable used by R5 SPL before the DM firmware
inclusion into the tispl.bin.

Fixes: df5363a67f ("tools: k3_fit_atf: add DM binary to the FIT image")
Signed-off-by: Suman Anna <s-anna@ti.com>
2021-09-10 20:10:20 -04:00
Aswath GovindrajuandTom Rini 7ca1af635a arm: dts: k3-am642-evm-u-boot: Add u-boot, dm-spl tag in the pinmux node of mmc1
Add u-boot,dm-spl tag in the pinmux device tree node, required for MMCSD1
subsystem.

Fixes: b6059ddc45 ("arm: dts: k3-am642: Add r5 specific dt support")
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
2021-09-10 20:10:20 -04:00
Matwey V. KornilovandTom Rini 4c9289f52f am33xx: Fix USB for am335x boards
USB nodes were mistakenly disabled in

    commit 942853dd96 ("arm: dts: Resync BeagleBone device trees")

This commit is to fix the following issue:

    starting USB...
    No working controllers found
    USB is stopped. Please issue 'usb start' first.
    starting USB...
    No working controllers found

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0782e8572ce43f521ed6ff15e4a7ab9aa5acdc85
Fixes: 942853dd96 ("arm: dts: Resync BeagleBone device trees")
Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Reviewed-by: Paul Barker <paul.barker@sancloud.com>
2021-09-10 20:10:20 -04:00
Aswath GovindrajuandTom Rini 3c01557df8 include: configs: am64x_evm: Add env variables for booting to kernel using USB MSC device
Add env variables for booting to kernel from USB MSC device. The second
partition in the USB MSC device needs to formatted as ext4 file system with
kernel and dtb images, present in the /boot folder.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
2021-09-10 20:10:20 -04:00