FSP (CONFIG_HAVE_FSP) and Slim Bootloader (CONFIG_SYS_SLIMBOOTLOADER)
consume HOB (CONFIG_USE_HOB) data from the each HOB list pointer.
Add a common HOB library in lib/hob.c and include/asm/hob.h.
Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Use existing EFI_GUID and efi_guid_t instead of struct efi_guid.
This is pre-work before making a common HOB library.
- Change 'struct efi_guid' to efi_guit_t
- Remove 'struct efi_guid'
- Define GUIDs with EFI_GUID() macro
- Use guidcmp() instead of compare_guid()
- Remove compare_guid()
Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested on MinnowMax
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Registration of USB download gadget might fail for various reasons, so
add a check for g_dnl_register() funtion return value. Without this fix,
thor_init() will try to access the registered gadget structures resulting
in NULL pointer dereference issue.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
When building U-Boot with AVB enabled, compiler shows next warnings:
cmd/avb.c: In function 'do_avb_read_pvalue':
cmd/avb.c:371:18: warning: format '%ld' expects argument of type
'long int', but argument 2 has type 'size_t'
{aka 'unsigned int'} [-Wformat=]
printf("Read %ld bytes, value = %s\n", bytes_read,
~~^ ~~~~~~~~~~
%d
cmd/avb.c: In function 'do_avb_write_pvalue':
cmd/avb.c:404:19: warning: format '%ld' expects argument of type
'long int', but argument 2 has type '__kernel_size_t'
{aka 'unsigned int'} [-Wformat=]
printf("Wrote %ld bytes\n", strlen(value) + 1);
~~^ ~~~~~~~~~~~~~~~~~
%d
Fix those by using "%zu" specified.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Igor Opaniuk <igor.opaniuk@gmail.com>
With this pull request a workaround for GRUB on 32bit ARM is re-enabled
and made customizable. Without the patch booting on ARM 32bit with GRUB
prior to version 2.04 or with a cache which is not managed via CP15
fails.
Further work will be needed to achieve a UEFI compliant cache handling.
According to the UEFI spec all caches except those that cannot be
managed via CP15 should be enabled.
An implementation of the ConvertPointer() runtime service is provided.
efi_crt0 is always rebuild to avoid having to call 'make mrproper' when
switching architectures.
-----BEGIN PGP SIGNATURE-----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=jfh5
-----END PGP SIGNATURE-----
Merge tag 'efi-2019-10-rc2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Pull request for UEFI sub-system for v2019.10-rc2
With this pull request a workaround for GRUB on 32bit ARM is re-enabled
and made customizable. Without the patch booting on ARM 32bit with GRUB
prior to version 2.04 or with a cache which is not managed via CP15
fails.
Further work will be needed to achieve a UEFI compliant cache handling.
According to the UEFI spec all caches except those that cannot be
managed via CP15 should be enabled.
An implementation of the ConvertPointer() runtime service is provided.
efi_crt0 is always rebuild to avoid having to call 'make mrproper' when
switching architectures.
Since this is part of the autoboot functionality, it makes sense to name
it with an AUTOBOOT prefix. No mainline boards use it so this should be
safe, and downstream boards will need to adjust.
Since this option is just an integer value, it really needs another option
to control whether the feature is enabled or not. Add a new
CONFIG_USE_AUTOBOOT_MENUKEY for that. This fits better with how things are
done with Kconfig, avoiding the need to use a specific value to disable
the feature.
Signed-off-by: Simon Glass <sjg@chromium.org>
- extend mxc_ipuv3_fb to enable backlight/display
- include fb_base in global_data for DM_VIDEO
- show frame buffer address via board info
as used to be with legacy VIDEO support
-----BEGIN PGP SIGNATURE-----
iGwEABECACwWIQSC4hxrSoIUVfFO0kRM6ATMmsalXAUCXUCEtQ4cYWd1c3RAZGVu
eC5kZQAKCRBM6ATMmsalXLYhAJ4gSCCx54ubBmbsZ1cueGk59E/SkwCdFl7nfLqz
Vy/HbBVAUkzD4JVOR0U=
=7rSM
-----END PGP SIGNATURE-----
Merge tag 'video-for-2019.10-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-video
- fix EDID mode filtering
- extend mxc_ipuv3_fb to enable backlight/display
- include fb_base in global_data for DM_VIDEO
- show frame buffer address via board info
as used to be with legacy VIDEO support
make htmldocs produces a warning:
./cmd/efidebug.c:733: WARNING: Unexpected indentation.
Correct the indentation.
Remove 'See above for details of sub-commands.' which is not helpful in the
Sphinx generated documentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
A couple minor tweaks to printed strings in cmd/fpga.c.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Linker generated array entry is not needed when the command line is
disabled. Remove this code in that case.
This is required as the commit 80a48dd47e
breaks the linking stage when CONFIG_CMDLINE=n:
..
LDS u-boot.lds
LD u-boot
u-boot contains unexpected relocations: R_ARM_NONE
R_ARM_RELATIVE
make: *** [Makefile:1775: checkarmreloc] Error 1
Signed-off-by: Andrej Rosano <andrej.rosano@f-secure.com>
'rproc list' is currently allowed only after probing all the
available remoteproc devices. Given that 'rproc init' is updated
to probe and initialize devices individually, allow the 'rproc list'
command to print all probed devices at any point.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
'rproc init' does the probe and initialization of all the available
remoteproc devices in the system. This doesn't allow the flexibility
to initialize the remote cores needed as per use case. In order
to provide flexibility, update 'rproc init' command to accept one
more parameter with rproc id which when passed initializes only
that specific core. If no id is passed, command will initializes
all the cores which is compatible with the existing behaviour.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
For A/B system update support the Android boot process requires to send
'androidboot.slot_suffix' parameter as a command line argument. This
patch implementes 'ab_select' command which allows us to obtain current
slot by processing the A/B metadata.
The patch was extracted from commit [1] with one modification: the
separator for specifying the name of metadata partition was changed
from ';' to '#', because ';' is used for commands separation.
[1] https://android-review.googlesource.com/c/platform/external/u-boot/+/729880/2
Signed-off-by: Ruslan Trofymenko <ruslan.trofymenko@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Alistair Strachan <astrachan@google.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
These have been reported by Simon in [1] and fixed in [2].
However, since [1] has already been pushed to u-boot/master, the
improvements incorporated in [2] are now extracted and resubmitted.
The changes are in the area of coding style and best practices:
* s/field/fieldp/, s/size/sizep/, to convey that the variables return
an output to the caller
* s/err_1/err_read_fail/, s/err_2/err_too_small/, to be more descriptive
* Made sure 'static int do_bcb_load' appears on the same line
* Placed a `/*` on top of multi-line comment
[1] https://patchwork.ozlabs.org/patch/1104244/#2200259
[2] https://patchwork.ozlabs.org/cover/1128661/
("[v4,0/4] Add 'bcb' command to read/modify/write Android BCB")
Fixes: db7b7a05b2 ("cmd: Add 'bcb' command to read/modify/write BCB fields")
Reported-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Quote from https://patchwork.ozlabs.org/patch/1104244/#2210814:
----------8<-----------
strncmp() is chosen for the sake of paranoid/defensive programming.
Indeed, strncmp() is not really needed when comparing a variable
with a string literal. We expect strcmp() to behave safely even if the
string variable is not NUL-terminated.
In the same scenario, Linux v5.2-rc7 uses both strcmp() and strncmp(),
but the frequency of strcmp() is higher:
$ git --version
git version 2.22.0
$ (Linux 5.2-rc7) git grep -En 'strncmp\([^"]*"[[:alnum:]]+"' | wc -l
1066
$ (Linux 5.2-rc7) git grep -En 'strcmp\([^"]*"[[:alnum:]]+"' | wc -l
1968
A quick "strcmp vs strncmp" object size test shows that strcmp()
generates smaller memory footprint (gcc-8, x86_64):
$ (U-Boot) size cmd/bcb-strncmp.o cmd/bcb-strcmp.o
text data bss dec hex filename
3373 400 2048 5821 16bd cmd/bcb-strncmp.o
3314 400 2048 5762 1682 cmd/bcb-strcmp.o
So, overall, I agree to use strcmp() whenever variables are compared
with string literals.
----------8<-----------
Fixes: db7b7a05b2 ("cmd: Add 'bcb' command to read/modify/write BCB fields")
Reported-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Fix warning V1037 reported by PVS-Studio Static Analyzer:
Two or more case-branches perform the same actions. Check lines: 49, 53
Fixes: db7b7a05b2 ("cmd: Add 'bcb' command to read/modify/write BCB fields")
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Commit 9bdf0e8fef ("doc: relocate/rename Android README and add BCB
overview") left some obsolete references of Android documents/paths.
This has been pointed out by Sam (thanks!) in:
https://patchwork.ozlabs.org/patch/1104245/#2208134
Fixes: 9bdf0e8fef ("doc: relocate/rename Android README and add BCB overview")
Reported-by: Sam Protsenko <semen.protsenko@linaro.org>
Suggested-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
This sub-command serves for getting the partition index from
partition name. Also it can be used to test the existence of specified
partition.
Use case:
For example, in most CI environments this U-Boot command for automatic
testing of Linux rootfs is used:
=> setenv bootpart 1:f
where 0xf is "userdata" partition. But the number of "userdata"
partition can be changed any time, when partition table is changed.
So it would be nice to get rid of that 0xf magic number and use
partition name instead, like this:
=> part number mmc 1 userdata part_num
=> setenv bootpart 1:${part_num}
Signed-off-by: Ruslan Trofymenko <ruslan.trofymenko@linaro.org>
Signed-off-by: Igor Opaniuk <igor.opaniuk@gmail.com>
Reviewed-by: Alistair Strachan <astrachan@google.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
* Implement the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
* Address errors of type -Werror=address-of-packed-member when building
with GCC9.1
* Fix an error when adding memory add addres 0x00000000.
* Rework some code comments for Sphinx compliance.
-----BEGIN PGP SIGNATURE-----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=aj4j
-----END PGP SIGNATURE-----
Merge tag 'efi-2019-10-rc1-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Pull request for UEFI sub-system for v2019.10-rc1 (2)
* Implement the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
* Address errors of type -Werror=address-of-packed-member when building
with GCC9.1
* Fix an error when adding memory add addres 0x00000000.
* Rework some code comments for Sphinx compliance.
This commit just corrects spelling of 'accessed' word in the EEPROM
comment.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
This option will provide the offset in the parallel NOR flash memory to,
which the falcon boot data is stored.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
This commit makes the CMD_SPL_NAND_OFS only visible when we use NAND
memory.
Before this change it was present when only CMD_SPL was enabled (and
would stay when board with other falcon boot medium is used).
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Calling 'mdio read ...' currently leads to a data abort when no mdio
bus is found.
To fix this, check if 'bus' is a valid pointer before accessing it.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
this patch adds basic changes for adding a erase-subcommand to env
with this command the environment stored on non-volatile storage written
by saveenv can be cleared.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
squashed fixes
- start message with "Erasing"
- mark erase-function as optional
- env: separate eraseenv from saveenv
Suggested-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
We currently have some inconsistent use of efi_add_memory_map()
throughout the code. In particular the return value of efi_add_memory_map()
is not interpreted the same way by various users in the codebase.
This patch does the following:
- Changes efi_add_memory_map() to return efi_status_t.
- Adds a method description to efi_add_memory_map().
- Changes efi_add_memory_map() to return EFI_SUCCESS
- Returns non-zero for error in efi_add_memory_map()
- Updates efi_allocate_pages() to new efi_add_memory_map()
- Updates efi_free_pages() to new efi_add_memory_map()
- Updates efi_carve_out_dt_rsv() to new efi_add_memory_map()
- Updates efi_add_runtime_mmio() to new efi_add_memory_map()
Fixes: 5d00995c36 ("efi_loader: Implement memory allocation and map")
Fixes: 74c16acce3 ("efi_loader: Don't allocate from memory holes")
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Alexander Graf <agraf@csgraf.de>
Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Adds UCLASS_MDIO DM class supporting MDIO buses that are probed as
stand-alone devices. Useful in particular for systems that support
DM_ETH and have a stand-alone MDIO hardware block shared by multiple
Ethernet interfaces.
Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
These are standard across gigabit phys. These mostly extend the
auto-negotiation information with gigabit fields.
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Share the code that prints out a register field with the function that
prints out the "special" fields.
There were two arrays the register dump list, one with reg number and
name, another with a pointer to the field table and the table size.
These two arrays had have each entry match what register is referred to.
Combine them into just one table. Now they can't not match and there is
just one table.
Add some missing consts to pointers to string literals.
The dump code was ignoring the regno field in the description table and
assuming register 0 was at index 0, etc. Have it use the field.
Change reg > max+1 into reg >= max, which doesn't fail if max+1 could
overflow, besides just making more sense.
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
- mmc spi driver model support
- drop mmc_spi command
- enhanced Strobe mmc HS400 support
- minor mmc bug/fixes and optimization
- omap hsmmc and mvbeu update
- sdhci card detect support
The mmc_spi command was added to manually setup MMC over SPI bus
using command. This was required by the legacy non-DM MMC_SPI driver.
With DM based MMC_SPI driver in-place, we can now use all general
storge commands and mmc command for MMC over SPI bus hence we remove
the mmc_spi command all it's references.
Suggested-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add sub-command 'env info' to display environment information:
- env_valid : is environment valid
- env_ready : is environment imported into hash table
- env_use_default : is default environment using
This command can be optionally used for evaluation in scripts:
[-d] : evaluate whether default environment is used
[-p] : evaluate whether environment can be persisted
The result of multiple evaluations will be combined with AND.
Signed-off-by: Leo Ruan <tingquan.ruan@cn.bosch.com>
Signed-off-by: Mark Jonas <mark.jonas@de.bosch.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Do not enable by default]
Signed-off-by: Tom Rini <trini@konsulko.com>
This patch solves the following warnings:
cmd/pinmux.c: In function 'do_dev':
cmd/pinmux.c:26:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (ret) {
^
cmd/pinmux.c:30:2: note: here
case 1:
^~~~
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
- Minor tracing and PCI improvements
- Various other minor fixes
- Conversion of patman, dtoc and binman to support Python 3
-----BEGIN PGP SIGNATURE-----
iQFFBAABCgAvFiEEslwAIq+Gp8wWVbYnfxc6PpAIreYFAl0nbDoRHHNqZ0BjaHJv
bWl1bS5vcmcACgkQfxc6PpAIreZcBQgAn+ojgq/hD89bihuhz2oEe6rhzHB9OkcC
sHrVL8Jbmby/BuzISGe4oeeM5yVygBVtUiN/72JiiAHLmykqc4CpRjNvgOOAgKCy
Ml8UyiBNNVNfrD6f9PxAKvPZf6S0gfLnomGOQ/psdEojpY5AvQxQ36D+QFZ0AMP5
67/xjSfN9bNPw8UbgE/VhJ+WFbU948BP2EBt6+NBAtv7HW4AX9vT0famJfWEjwq8
ftmcFOSNGgYcDQ5BwQWX1sFhnwb9XSfurlQsVYBsFA4cx4gj0DfUm1Ugr4wDD+lo
91P+76hSBQ+mHp1HJ90WMd2vAaElG7/SoaicXo9pW6Rc7WIgTjk7gg==
=SdZy
-----END PGP SIGNATURE-----
Merge tag 'dm-pull-9jul19-take2' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm
- Sandbox improvements including .dts refactor
- Minor tracing and PCI improvements
- Various other minor fixes
- Conversion of patman, dtoc and binman to support Python 3
'Bootloader Control Block' (BCB) is a well established term/acronym in
the Android namespace which refers to a location in a dedicated raw
(i.e. FS-unaware) flash (e.g. eMMC) partition, usually called "misc",
which is used as media for exchanging messages between Android userspace
(particularly recovery [1]) and an Android-capable bootloader.
On higher level, this allows implementing a subset of Android Bootloader
Requirements [2], amongst which is the Android-specific bootloader
flow [3]. Regardless how the latter is implemented in U-Boot ([3] being
the most memorable example), reading/writing/dumping the BCB fields in
the development process from inside the U-Boot is a convenient feature.
Hence, make it available to the users.
Some usage examples of the new command recorded on R-Car H3ULCB-KF
('>>>' is an overlay on top of the original console output):
=> bcb
bcb - Load/set/clear/test/dump/store Android BCB fields
Usage:
bcb load <dev> <part> - load BCB from mmc <dev>:<part>
bcb set <field> <val> - set BCB <field> to <val>
bcb clear [<field>] - clear BCB <field> or all fields
bcb test <field> <op> <val> - test BCB <field> against <val>
bcb dump <field> - dump BCB <field>
bcb store - store BCB back to mmc
Legend:
<dev> - MMC device index containing the BCB partition
<part> - MMC partition index or name containing the BCB
<field> - one of {command,status,recovery,stage,reserved}
<op> - the binary operator used in 'bcb test':
'=' returns true if <val> matches the string stored in <field>
'~' returns true if <val> matches a subset of <field>'s string
<val> - string/text provided as input to bcb {set,test}
NOTE: any ':' character in <val> will be replaced by line feed
during 'bcb set' and used as separator by upper layers
=> bcb dump command
Error: Please, load BCB first!
>>> Users must specify mmc device and partition before any other call
=> bcb load 1 misc
=> bcb load 1 1
>>> The two calls are equivalent (assuming "misc" has index 1)
=> bcb dump command
00000000: 62 6f 6f 74 6f 6e 63 65 2d 73 68 65 6c 6c 00 72 bootonce-shell.r
00000010: 79 00 72 00 00 00 00 00 00 00 00 00 00 00 00 00 y.r.............
>>> The output is in binary/string format for convenience
>>> The output size matches the size of inspected BCB field
>>> (32 bytes in case of 'command')
=> bcb test command = bootonce-shell && echo true
true
=> bcb test command = bootonce-shell- && echo true
=> bcb test command = bootonce-shel && echo true
>>> The '=' operator returns 'true' on perfect match
=> bcb test command ~ bootonce-shel && echo true
true
=> bcb test command ~ bootonce-shell && echo true
true
>>> The '~' operator returns 'true' on substring match
=> bcb set command recovery
=> bcb dump command
00000000: 72 65 63 6f 76 65 72 79 00 73 68 65 6c 6c 00 72 recovery.shell.r
00000010: 79 00 72 00 00 00 00 00 00 00 00 00 00 00 00 00 y.r.............
>>> The new value is NULL-terminated and stored in the BCB field
=> bcb set recovery "msg1:msg2:msg3"
=> bcb dump recovery
00000040: 6d 73 67 31 0a 6d 73 67 32 0a 6d 73 67 33 00 00 msg1.msg2.msg3..
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
>>> --- snip ---
>>> Every ':' is replaced by line-feed '\n' (0xA). The latter is used
>>> as separator between individual commands by Android userspace
=> bcb store
>>> Flush/store the BCB structure to MMC
[1] https://android.googlesource.com/platform/bootable/recovery
[2] https://source.android.com/devices/bootloader
[3] https://patchwork.ozlabs.org/patch/746835/
("[U-Boot,5/6] Initial support for the Android Bootloader flow")
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
The name CONFIG_LEGACY_IMAGE_FORMAT reads slightly better along with
allowing us to avoid a rather nasty Kbuild/Kconfig issue down the line
with CONFIG_IS_ENABLED(IMAGE_FORMAT_LEGACY). In a few places outside of
cmd/ switch to using CONFIG_IS_ENABLED() to test what is set.
Signed-off-by: Tom Rini <trini@konsulko.com>