Marek Vasut [Fri, 10 Sep 2021 20:47:07 +0000 (22:47 +0200)]
lmb: Always compile arch_lmb_reserve() into U-Boot on arm
The arch_lmb_reserve() is called by lib/lmb.c lmb_reserve_common() even
if CMD_BOOT{I,M,Z} is not enabled. However, the arm32/arm64 variant of
arch_lmb_reserve() is only compiled in if CMD_BOOT{I,M,Z} is enabled.
This currently does not trigger build error, because there is an empty
weak implementation of arch_lmb_reserve(), however that is not the
function that should be used on arm32/arm64.
Fix this by moving the arch_lmb_reserve() implementation into common
code and always compile it in.
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Cc: Tom Rini <trini@konsulko.com>
Artem Lapkin [Tue, 31 Aug 2021 10:22:18 +0000 (18:22 +0800)]
image: add lz4 zstd compression magic map
Add lz4 and zstd compression magic map. Already can decompress images
with lz4 and zstd compression type.
Signed-off-by: Artem Lapkin <art@khadas.com>
Marek Vasut [Mon, 30 Aug 2021 13:05:23 +0000 (15:05 +0200)]
crc32: Add crc32 implementation using __builtin_aarch64_crc32b
ARMv8.0 has optional crc32 instruction for crc32 calculation. The
instruction is mandatory since ARMv8.1. The crc32 calculation is
faster using the dedicated instruction, e.g. 1.4 GHz iMX8MN gives:
=> time crc32 0x50000000 0x2000000
time: 0.126 seconds # crc32 instruction
time: 0.213 seconds # software crc32
Add implementation using the compiler builtin wrapper for the crc32
instruction and enable it by default, since we don't support any
platforms which do not implement this instruction.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
[trini: Make crc32_table guarded by CONFIG_ARM64_CRC32]
Signed-off-by: Tom Rini <trini@konsulko.com>
Pierre-Clément Tosi [Fri, 27 Aug 2021 16:04:10 +0000 (18:04 +0200)]
armv8/cache.S: Triple with single instruction
Replace the current 2-instruction 2-step tripling code by a
corresponding single instruction leveraging ARMv8-A's "flexible second
operand as a register with optional shift". This has the added benefit
(albeit arguably negligible) of reducing the final code size.
Fix the comment as the tripled cache level is placed in x12, not x0.
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Pierre-Clément Tosi [Fri, 27 Aug 2021 16:03:45 +0000 (18:03 +0200)]
armv8/cache.S: Read sysreg fields through ubfx
Improve the file's readability and conciseness by using the appropriate
Aarch64 instruction: ubfx (unsigned bitfield extract). This makes the
code easier to follow as it directly manipulates the offsets and widths
of the fields read from system registers, as they are expressed in the
Standard (ARM ARM). This has the added benefit (albeit arguably
negligible) of reducing the final code size.
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Pierre-Clément Tosi [Thu, 12 Aug 2021 15:28:31 +0000 (15:28 +0000)]
env: Make _init() expect _INVALID when _IS_NOWHERE
Avoid applying the "fix" introduced by commit
5557eec01cbf ("env: Fix
invalid env handling in env_init()") to the environment "nowhere".
This is necessary as that commit, by setting the return value of
env_init() to -ENOENT if gd->env_valid is ENV_INVALID, forces that
function to reset gd->env_valid to ENV_VALID. By doing so, it breaks the
assumption (required by ENV_IS_NOWHERE) that gd->env_valid must be
ENV_INVALID.
This, in turn, results in env_relocate() calling env_load() (it should
not), which itself, calls U_BOOT_ENV_LOCATION(nowhere).load() i.e.
env_nowhere_load(). That function, being implemented under the
assumption mentioned above, calls env_set_default(), which in turn,
seeing that gd->env_valid is ENV_VALID (it should not), tries to
dereference whatever lies in gd->env_addr (most likely garbage), leading
to a faulty memory access.
Note that other env_locations might be concerned by this bug but that
this commit only intends to fix it for when ENV_IS_NOWHERE.
Fixes:
5557eec01cbf ("env: Fix invalid env handling in env_init()")
Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
Tom Rini [Wed, 22 Sep 2021 18:55:16 +0000 (14:55 -0400)]
Merge tag 'u-boot-at91-2022.01-a' of https://source.denx.de/u-boot/custodians/u-boot-at91 into next
First set of u-boot-at91 features for the 2022.01 cycle:
This feature set includes : the support for CPU driver for arm926
(sam9x60 device); changes required for OP-TEE boot for sama5d2_xplained
and sama5d27_som1_ek boards; QSPI boot configuration for sama5d2_icp;
starting to remove old Kconfig unused symbols from config_whitelist.txt
(work will take more time); also small fixes and updates in mach, DT,
configs, etc.
Tom Rini [Wed, 22 Sep 2021 18:54:21 +0000 (14:54 -0400)]
Merge branch '2021-09-22-general-updates' into next
- Some sandbox improvements
- Make cleanups related to the overusage of the exact build time
variable.
Eugen Hristev [Fri, 27 Aug 2021 10:44:12 +0000 (13:44 +0300)]
ARM: dts: at91: update flexcom defines using include file
Replace the number in the flexcom-mode property with the define from the
include file.
This corresponds to the approach in Linux kernel.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Eugen Hristev [Fri, 27 Aug 2021 10:44:11 +0000 (13:44 +0300)]
include: dt-bindings: mfd: add atmel flexcom include file
Add dt-bindings include file for Atmel Flexcom hardware block.
This file is copied from Linux kernel.
It is used in devicetrees from Linux.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Eugen Hristev [Wed, 25 Aug 2021 10:28:28 +0000 (13:28 +0300)]
net: remove unused CONFIG_DRIVER_AT91EMAC_*
AT91EMAC driver is unused, thus removing.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Eugen Hristev [Wed, 25 Aug 2021 10:27:03 +0000 (13:27 +0300)]
ARM: at91: remove references to RM9200DK
The AT91 RM9200DK board was removed long time ago.
Remove existing references that were not cleaned up.
Fixes:
1c85752258 ("ARM: remove broken "at91rm9200dk" board")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Eugen Hristev [Tue, 24 Aug 2021 13:02:33 +0000 (16:02 +0300)]
board: pm926x: remove unused CONFIG_SYS_AT91_CPU_NAME
CONFIG_SYS_AT91_CPU_NAME looks to be unused.
Remove it and remove it from config_whitelist.txt
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Eugen Hristev [Thu, 19 Aug 2021 11:09:41 +0000 (14:09 +0300)]
board: atmel: sama7g5ek: avoid rewriting of configured CONFIG_BOOTCOMMAND
Rewrite the CONFIG_BOOTCOMMAND only if it's not previously configured from
defconfig file.
This allows the user to select from defconfig/menuconfig the desired
boot command.
Adjust the current board defconfigs to reflect the default booting command
for the specific ENV configuration.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Mihai Sain [Tue, 17 Aug 2021 10:29:25 +0000 (13:29 +0300)]
configs: sama5d2: add qspi config for QSPI1
Add new config for storing environment from QSPI1.
Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
[eugen.hristev@microchip.com: cleanup and add MAINTAINERS entry]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Eugen Hristev [Tue, 17 Aug 2021 10:29:24 +0000 (13:29 +0300)]
ARM: dts: at91: sama5d2: fix dtc warning for ohci and ehci
Fixed the following DTC build warning (reproducible with W=1)
arch/arm/dts/at91-sama5d2_icp.dtb: Warning (unit_address_format): /ahb/ohci@
00400000: unit name should not have leading 0s
arch/arm/dts/at91-sama5d2_icp.dtb: Warning (unit_address_format): /ahb/ehci@
00500000: unit name should not have leading 0s
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Alexander Dahl <ada@thorsis.com>
Eugen Hristev [Tue, 17 Aug 2021 10:29:23 +0000 (13:29 +0300)]
ARM: dts: at91: sama5d2_icp: cosmetic arrangement of the nodes
Reorder the nodes following the kernel rules: nodes in a range are sorted
by ascending bus address, and when referenced by phandle, are ordered
alphabetically.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Mihai Sain [Tue, 17 Aug 2021 10:29:22 +0000 (13:29 +0300)]
ARM: dts: at91: sama5d2_icp: add QSPI1 device
Add support for sst26vf064b 64Mbit qspi-flash that is
present on sama5d2_icp board.
Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
[eugen.hristev@microchip.com: move u-boot properties to sama5d2_icp-u-boot.dtsi]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Clément Léger [Mon, 16 Aug 2021 12:25:43 +0000 (14:25 +0200)]
board: sama5d2_xplained: Modify load addresses
When using OP-TEE, address range [0x20000000 - 0x22000000] is reserved.
This modification allows to have a system which always work even when
OP-TEE is present.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Clément Léger [Mon, 16 Aug 2021 12:25:42 +0000 (14:25 +0200)]
board: sama5d2_xplained: Get dram size and base from device tree
In order to make it more flexible and allow modifying the base address
of DRAM without recompiling U-Boot, use memory node from device tree
with fdtdec functions.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Clément Léger [Mon, 16 Aug 2021 12:25:41 +0000 (14:25 +0200)]
ARM: dts: at91: sama5d2_xplained: Add memory node in devicetree
sama5d2_xplained DRAM detection code will be modified to use device tree
instead of hardcoded addresses. In order to prepare that, add the memory
node to at91-sama5d2_xplained.dts.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Clément Léger [Mon, 16 Aug 2021 12:25:40 +0000 (14:25 +0200)]
board: sama5d27_som1_ek: Modify load addresses
When using OP-TEE, address range [0x20000000 - 0x22000000] is reserved.
This modification allows to have a system which always work even when
OP-TEE is present.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Clément Léger [Mon, 16 Aug 2021 12:25:39 +0000 (14:25 +0200)]
board: sama5d27_som1_ek: Get dram size and base from device tree
In order to make it more flexible and allow modifying the base address
of DRAM without recompiling U-Boot, use memory node from device tree
with fdtdec functions.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Clément Léger [Wed, 4 Aug 2021 14:55:44 +0000 (16:55 +0200)]
ARM: mach-at91: armv7: fix multiple cpu_reset definition when enabling SYSRESET
When SYSRESET is enabled, cpu_reset function is also defined in
sysreset-uclass.c which lead to multiple definitions of this function
since reset.c is build unconditionally. Add a check in Makefile to build
this file only if SYSRESET isn't enabled.
SYSRESET can be enabled when building SYSRESET_PSCI for instance on this
platform.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Reto Schneider [Thu, 17 Jun 2021 16:57:37 +0000 (18:57 +0200)]
configs: gardena-smart-gateway-at91sam: Adjust to production values
This commit updates the default config with the values that will be used
soon on the Atmel / Microchip AT91SAM9G25 based GARDENA smart gateway.
Signed-off-by: Reto Schneider <reto.schneider@husqvarnagroup.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Claudiu Beznea [Fri, 16 Jul 2021 05:43:51 +0000 (08:43 +0300)]
configs: sam9x60ek: enable CONFIG_CPU
Enable CONFIG_CPU for SAM9X60EK configs.
Reported-by: Eugen Hristev <eugen.hristev@microchip.com>
Fixes:
a64862284f65 ("clk: at91: sam9x60: add support compatible with
CCF")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Claudiu Beznea [Fri, 16 Jul 2021 05:43:50 +0000 (08:43 +0300)]
ARM: dts: at91: sam9x60: add bindings for CPU
Add bindings for CPU. This will allow displaying correctly the crystal,
CPU and master clock.
Reported-by: Eugen Hristev <eugen.hristev@microchip.com>
Fixes:
a64862284f65 ("clk: at91: sam9x60: add support compatible with
CCF")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Claudiu Beznea [Fri, 16 Jul 2021 05:43:49 +0000 (08:43 +0300)]
cpu: at91: add compatible for ARM9260EJ-S
The crystal, CPU and master clock were not displayed correctly on SAM9X60
after adding CCF clock support. Add compatible for ARM926EJ-S to fix
this.
Reported-by: Eugen Hristev <eugen.hristev@microchip.com>
Fixes:
a64862284f65 ("clk: at91: sam9x60: add support compatible with CCF")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Claudiu Beznea [Fri, 16 Jul 2021 05:43:48 +0000 (08:43 +0300)]
clk: at91: clk-master: split master clock in pres and divider
Split master clock in 2 controlling block: one for prescaler one for
divider. This will allow referencing correctly the CPU clock and
master clock in device trees.
Reported-by: Eugen Hristev <eugen.hristev@microchip.com>
Fixes:
a64862284f65 ("clk: at91: sam9x60: add support compatible with
CCF")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Hari Prasath [Wed, 14 Jul 2021 13:43:41 +0000 (19:13 +0530)]
ARM: at91: Add chip ID of SAMA5D29
Add SAMA5D29 SoC for identification during the boot up.
Signed-off-by: Hari Prasath <Hari.PrasathGE@microchip.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:38 +0000 (15:18 +0200)]
Remove including timestamp.h in version.h
Header file version.h does not use anything from timestamp.h. Including of
timestamp.h has side effect which cause recompiling object file at every
make run because timestamp.h changes at every run.
So remove timestamp.h from version.h and include timestamp.h in files
which needs it.
This change reduce recompilation time of final U-Boot binary when U-Boot
source files were not changed as less source files needs to be recompiled.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Add in lib/acpi/acpi_table.c and test/dm/acpi.c, rework a few others]
Signed-off-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:37 +0000 (15:18 +0200)]
version: Remove global macro U_BOOT_VERSION_STRING from version.h
Version string is available in global variable char version_string[].
Macro U_BOOT_VERSION_STRING is not used by any other file, so remove it
completely from version.h. Other files were already converted to use
variable version_string[].
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:36 +0000 (15:18 +0200)]
x86: quark: MRC: Remove U_BOOT_DATE and U_BOOT_TIME from debug log
U_BOOT_DATE and U_BOOT_TIME are updated on every run of make command.
Therefore mrc.c file is recompiled every time when running make which means
that whole U-Boot binary is recompiled on every run of make command.
Simplify it and do not recompile U-Boot binary on every run of make command
by not depending on macros U_BOOT_DATE and U_BOOT_TIME.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:35 +0000 (15:18 +0200)]
version: Do not make version_string[] variable as a weak
There is no platform which needs to overload version_string[] variable, so
remove weak symbol mark.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tom Rini [Thu, 16 Sep 2021 19:30:08 +0000 (15:30 -0400)]
powerpc: Drop version_string placement optimization
As explained by Wolfgang, historically PowerPC would do a number of
things to hand-optimize placement of the binary on NOR flash in order to
maximize utilization of very scarce resources. These days, we simply
aren't optimizing our binary layout for NOR flash placement and it's
quite likely this wasn't working as intended. Furthermore, this level
of optimization makes it difficult to have version_string be a global,
instead of a weak and overridden value, and so make more progress on
reproducible builds, which is a current concern.
Move to having PowerPC no longer store version_string in the early part
of text so that it might be part of the first page of NOR and instead
use the same declaration everyone else does.
Link: https://lore.kernel.org/r/96716.1629798400@gemini.denx.de/
Signed-off-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:32 +0000 (15:18 +0200)]
m68k: mcf: Remove overloading version_string
There is no need to overload version_string at the end of start.S files.
Common implementation of version_string should be fine.
Signed-off-by: Pali Rohár <pali@kernel.org>
[trini: Keep the align, it's important for the rest of linkage]
Signed-off-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:31 +0000 (15:18 +0200)]
version: Move version_string[] from version.h to version_string.h
More C files do not use compile time timestamp macros and do not have to be
recompiled every time when SOURCE_DATE_EPOCH changes.
This patch moves version_string[] from version.h to version_string.h and
updates other C files which only needs version_string[] string to include
version_string.h instead of version.h. After applying this patch these
files are not recompiled every time when SOURCE_DATE_EPOCH changes.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:30 +0000 (15:18 +0200)]
efi_loader: Use directly version_string variable
Macro U_BOOT_VERSION_STRING is already stored in variable version_string.
So use directly this variable instead of storing U_BOOT_VERSION_STRING into
temporary variable.
Signed-off-by: Pali Rohár <pali@kernel.org>
[trini: This area was reworked since posted, what is here is now really
inspired by the previous version, so drop Ilias' Acked-by]
Signed-off-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:29 +0000 (15:18 +0200)]
Remove #include <version.h> from files which do not need it
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Pali Rohár [Mon, 2 Aug 2021 13:18:28 +0000 (15:18 +0200)]
Remove #include <timestamp.h> from files which do not need it
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tom Rini [Fri, 17 Sep 2021 16:05:20 +0000 (12:05 -0400)]
m68k: Add missing ENTRY entry in linker script
Currently, there is no ENTRY() entry in the m68k linker script.
However, since they currently contain a version_string symbol, which
then overrides the default weak version_string symbol, the linker
decides we must keep start.o in the resulting link. Add an ENTRY() line
so that the linker will know to keep this, even when version_string is
no longer provided in start.S
Cc: Huan Wang <alison.wang@nxp.com>
Cc: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Tom Rini <trini@konsulko.com>
Simon Glass [Thu, 19 Aug 2021 03:40:33 +0000 (21:40 -0600)]
test: Add a way to skip console checking until a string matches
Some tests produce a lot of output that does not need to be individually
checked by an assertion. Add a macro to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 19 Aug 2021 03:40:31 +0000 (21:40 -0600)]
sandbox: Add a way to map a file into memory
It is useful to map a file into memory so that it can be accessed using
simple pointers. Add a function to support this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 19 Aug 2021 03:40:30 +0000 (21:40 -0600)]
sandbox: Add a way to find the size of a file
Add a function to return the size of a file. This is useful in situations
where we need to allocate memory for it before reading it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Simon Glass [Thu, 19 Aug 2021 03:40:29 +0000 (21:40 -0600)]
dm: core: Fix a few incorrect comments on first/next functions
Tighten up these comments to make the behaviour clearer.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 19 Aug 2021 03:40:28 +0000 (21:40 -0600)]
test: Tidy a comment in the bloblist test
Fix up a copy error.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 19 Aug 2021 03:40:27 +0000 (21:40 -0600)]
sqfs: Suppress the message about missing filesystem
This message comes up a lot when scanning filesystems. It suggests to the
user that there is some sort of error, but in fact there is no reason to
expect that a particular partition has a sqfs filesystem. Other
filesystems don't print this error.
Turn it into a debug message.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Simon Glass [Thu, 19 Aug 2021 03:40:26 +0000 (21:40 -0600)]
btrfs: Suppress the message about missing filesystem
This message comes up a lot when scanning filesystems. It suggests to the
user that there is some sort of error, but in fact there is no reason to
expect that a particular partition has a btrfs filesystem. Other
filesystems don't print this error.
Turn it into a debug message.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Simon Glass [Thu, 19 Aug 2021 03:40:25 +0000 (21:40 -0600)]
sandbox: Add license headers to the dts files
Many of these files are missing a header. Fix this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 19 Aug 2021 03:40:24 +0000 (21:40 -0600)]
sandbox: Correct handling of --rm_memory
This option has no argument so we should not trip to skip one.
Fix it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Thu, 19 Aug 2021 03:40:23 +0000 (21:40 -0600)]
dtoc: Further improve documentation about warnings
Split this information into subsections and expand it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tom Rini [Thu, 16 Sep 2021 17:18:21 +0000 (13:18 -0400)]
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>
Tom Rini [Thu, 16 Sep 2021 15:45:03 +0000 (11:45 -0400)]
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>
Tom Rini [Thu, 16 Sep 2021 14:29:40 +0000 (10:29 -0400)]
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
Tom Rini [Tue, 14 Sep 2021 22:58:10 +0000 (18:58 -0400)]
Prepare v2021.10-rc4
Signed-off-by: Tom Rini <trini@konsulko.com>
Tom Rini [Tue, 14 Sep 2021 22:48:05 +0000 (18:48 -0400)]
configs: Resync with savedefconfig
Rsync all defconfig files using moveconfig.py
Signed-off-by: Tom Rini <trini@konsulko.com>
Alexandru Gagniuc [Tue, 14 Sep 2021 20:53:33 +0000 (15:53 -0500)]
image: Avoid erroneous double byte-swap in CRC value
The hash algorithm selection was streamlined in commit
92055e138f28
("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:
92055e138f28 ("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>
Tom Rini [Tue, 14 Sep 2021 19:47:07 +0000 (15:47 -0400)]
Merge branch '2021-09-14-assorted-fixes'
- Assorted bugfixes
Alexandru Gagniuc [Wed, 18 Aug 2021 22:49:02 +0000 (17:49 -0500)]
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>
Yuan Fang [Wed, 8 Sep 2021 11:06:48 +0000 (19:06 +0800)]
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>
Oleksandr Suvorov [Wed, 1 Sep 2021 13:05:08 +0000 (16:05 +0300)]
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>
Heinrich Schuchardt [Sat, 28 Aug 2021 10:13:05 +0000 (12:13 +0200)]
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:
824ee745fbca ("lib/rsa: Use the 'keyfile' argument from mkimage")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tom Rini [Tue, 14 Sep 2021 01:03:36 +0000 (21:03 -0400)]
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.
Andre Przywara [Fri, 3 Sep 2021 15:49:16 +0000 (16:49 +0100)]
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
(
9faae5457f52).
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Tom Rini [Mon, 13 Sep 2021 22:23:24 +0000 (18:23 -0400)]
Merge branch '2021-09-09-finish-pre-DM_PCI-removal'
- Finish removing the non-DM_PCI legacy code.
Simon Glass [Mon, 2 Aug 2021 00:54:44 +0000 (18:54 -0600)]
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>
Simon Glass [Mon, 2 Aug 2021 00:54:43 +0000 (18:54 -0600)]
pci: Drop PCI_INDIRECT_BRIDGE
This does not work with driver model so can be removed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Simon Glass [Mon, 2 Aug 2021 00:54:34 +0000 (18:54 -0600)]
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>
Simon Glass [Mon, 2 Aug 2021 00:54:25 +0000 (18:54 -0600)]
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>
Simon Glass [Mon, 2 Aug 2021 00:54:18 +0000 (18:54 -0600)]
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>
Simon Glass [Mon, 2 Aug 2021 00:54:16 +0000 (18:54 -0600)]
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>
Simon Glass [Mon, 2 Aug 2021 00:54:15 +0000 (18:54 -0600)]
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>
Tom Rini [Mon, 13 Sep 2021 12:31:41 +0000 (08:31 -0400)]
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"
Michael Walle [Fri, 10 Sep 2021 09:20:52 +0000 (11:20 +0200)]
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
9098682200e6 ("mmc: fsl_esdhc_imx: remove the 1ms delay before sending
command").
Signed-off-by: Michael Walle <michael@walle.cc>
Tom Rini [Mon, 13 Sep 2021 00:33:21 +0000 (20:33 -0400)]
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
Tom Rini [Sat, 11 Sep 2021 17:18:35 +0000 (13:18 -0400)]
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.
Tom Rini [Sat, 11 Sep 2021 16:06:14 +0000 (12:06 -0400)]
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>
Bin Meng [Thu, 26 Aug 2021 15:33:35 +0000 (23:33 +0800)]
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>
Bin Meng [Thu, 26 Aug 2021 15:33:34 +0000 (23:33 +0800)]
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>
Bin Meng [Thu, 26 Aug 2021 15:33:33 +0000 (23:33 +0800)]
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>
Bin Meng [Thu, 26 Aug 2021 15:33:32 +0000 (23:33 +0800)]
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>
Tom Rini [Sat, 11 Sep 2021 14:36:48 +0000 (10:36 -0400)]
Dockerfile: Update to latest "focal" tag
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Tom Rini [Sat, 11 Sep 2021 12:15:56 +0000 (08:15 -0400)]
Merge branch '2021-09-10-assorted-TI-updates'
- A number of TI platform bugfixes
Heinrich Schuchardt [Thu, 9 Sep 2021 05:47:05 +0000 (07:47 +0200)]
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>
Heinrich Schuchardt [Thu, 9 Sep 2021 05:39:40 +0000 (07:39 +0200)]
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>
Ilias Apalodimas [Wed, 8 Sep 2021 21:30:49 +0000 (00:30 +0300)]
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>
Heinrich Schuchardt [Tue, 7 Sep 2021 06:56:47 +0000 (08:56 +0200)]
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>
Masahisa Kojima [Mon, 6 Sep 2021 03:04:12 +0000 (12:04 +0900)]
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>
Simon Glass [Thu, 9 Sep 2021 20:10:32 +0000 (14:10 -0600)]
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>
Simon Glass [Thu, 9 Sep 2021 20:10:31 +0000 (14:10 -0600)]
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>
Simon Glass [Wed, 8 Sep 2021 13:33:52 +0000 (07:33 -0600)]
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>
Oleksandr Suvorov [Thu, 9 Sep 2021 19:12:09 +0000 (22:12 +0300)]
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>
Aswath Govindraju [Thu, 26 Aug 2021 15:58:59 +0000 (21:28 +0530)]
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>
Aswath Govindraju [Thu, 26 Aug 2021 15:58:58 +0000 (21:28 +0530)]
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>
Aswath Govindraju [Thu, 26 Aug 2021 15:58:57 +0000 (21:28 +0530)]
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>
Roger Quadros [Tue, 24 Aug 2021 11:07:27 +0000 (14:07 +0300)]
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>
Suman Anna [Sat, 14 Aug 2021 06:49:01 +0000 (01:49 -0500)]
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:
df5363a67f35 ("tools: k3_fit_atf: add DM binary to the FIT image")
Signed-off-by: Suman Anna <s-anna@ti.com>
Aswath Govindraju [Mon, 9 Aug 2021 17:02:23 +0000 (22:32 +0530)]
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:
b6059ddc45b9 ("arm: dts: k3-am642: Add r5 specific dt support")
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Matwey V. Kornilov [Sat, 7 Aug 2021 11:17:38 +0000 (14:17 +0300)]
am33xx: Fix USB for am335x boards
USB nodes were mistakenly disabled in
commit
942853dd96df ("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:
942853dd96df ("arm: dts: Resync BeagleBone device trees")
Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Reviewed-by: Paul Barker <paul.barker@sancloud.com>
Aswath Govindraju [Wed, 4 Aug 2021 13:12:46 +0000 (18:42 +0530)]
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>