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kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
#
# Device Tree Control
#
config SUPPORT_OF_CONTROL
bool
dtc: Switch to building and using our own dtc unless provided This makes us act like the Linux Kernel does and allow for dtc to be provided externally but otherwise we use the version of dtc that is included in the sources. This in turn means that we can drop the checkdtc logic. We select DTC in the cases where we will need the dtc tool provided. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-23 17:00:57 +00:00
config DTC
bool
kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
menu "Device Tree Control"
depends on SUPPORT_OF_CONTROL
config OF_CONTROL
bool "Run-time configuration via Device Tree"
dtc: Switch to building and using our own dtc unless provided This makes us act like the Linux Kernel does and allow for dtc to be provided externally but otherwise we use the version of dtc that is included in the sources. This in turn means that we can drop the checkdtc logic. We select DTC in the cases where we will need the dtc tool provided. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-23 17:00:57 +00:00
select DTC
kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
help
This feature provides for run-time configuration of U-Boot
via a flattened device tree.
dm: Add callback to modify the device tree Certain boards come in different variations by way of utilizing daughter boards, for example. These boards might contain additional chips, which are added to the main board's busses, e.g. I2C. The device tree support for such boards would either, quite naturally, employ the overlay mechanism to add such chips to the tree, or would use one large default device tree, and delete the devices that are actually not present. Regardless of approach, even on the U-Boot level, a modification of the device tree is a prerequisite to have such modular families of boards supported properly. Therefore, we add an option to make the U-Boot device tree (the actual copy later used by the driver model) writeable, and add a callback method that allows boards to modify the device tree at an early stage, at which, hopefully, also the application of device tree overlays will be possible. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Stefan Roese <sr@denx.de>
2017-02-22 15:07:22 +00:00
config OF_BOARD_FIXUP
bool "Board-specific manipulation of Device Tree"
help
In certain circumstances it is necessary to be able to modify
U-Boot's device tree (e.g. to delete device from it). This option
make the Device Tree writeable and provides a board-specific
"board_fix_fdt" callback (called during pre-relocation time), which
enables the board initialization to modifiy the Device Tree. The
modified copy is subsequently used by U-Boot after relocation.
of: flip CONFIG_SPL_DISABLE_OF_CONTROL into CONFIG_SPL_OF_CONTROL As we discussed a couple of times, negative CONFIG options make our life difficult; CONFIG_SYS_NO_FLASH, CONFIG_SYS_DCACHE_OFF, ... and here is another one. Now, there are three boards enabling OF_CONTROL on SPL: - socfpga_arria5_defconfig - socfpga_cyclone5_defconfig - socfpga_socrates_defconfig This commit adds CONFIG_SPL_OF_CONTROL for them and deletes CONFIG_SPL_DISABLE_OF_CONTROL from the other boards to invert the logic. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-11 22:31:54 +00:00
config SPL_OF_CONTROL
bool "Enable run-time configuration via Device Tree in SPL"
depends on SPL && OF_CONTROL
fdt: Add an option to disable device tree in SPL Some boards cannot support device tree due to lack of memory. Add an option to allow these boards to continue to work (and even use driver model). This is a 'negative' option since most boards are expected to support device tree in SPL. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-02-28 05:06:38 +00:00
help
Some boards use device tree in U-Boot but only have 4KB of SRAM
which is not enough to support device tree. Enable this option to
allow such boards to be supported by U-Boot SPL.
spl: dm: Kconfig: split OF_CONTROL and OF_PLATDATA between SPL and TPL For the RK3368, we want to use OF_PLATDATA in TPL, but full OF_CONTROL in SPL: this requires the introduction of a new family of configuration options to decouple SPL_OF_CONTROL and SPL_OF_PLATDATA from TPL. Consequently, Makefile.spl needs to be adjusted to test for these configuration items through the $(SPL_TPL_) macro instead of hard-coding the SPL variant. Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
2017-06-29 09:11:21 +00:00
config TPL_OF_CONTROL
bool "Enable run-time configuration via Device Tree in TPL"
depends on TPL && OF_CONTROL
help
Some boards use device tree in U-Boot but only have 4KB of SRAM
which is not enough to support device tree. Enable this option to
allow such boards to be supported by U-Boot TPL.
dm: core: Add livetree definitions Add a Kconfig option to enable a live device tree, built at run time from the flat tree. Also add structure definitions and a root node. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-05-19 02:08:53 +00:00
config OF_LIVE
bool "Enable use of a live tree"
depends on OF_CONTROL
help
Normally U-Boot uses a flat device tree which saves space and
avoids the need to unpack the tree before use. However a flat
tree does not support modifcation from within U-Boot since it
can invalidate driver-model device tree offsets. This option
enables a live tree which is available after relocation,
and can be adjusted as needed.
kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
choice
prompt "Provider of DTB for DT control"
depends on OF_CONTROL
config OF_SEPARATE
bool "Separate DTB for DT control"
depends on !SANDBOX
help
If this option is enabled, the device tree will be built and
placed as a separate u-boot.dtb file alongside the U-Boot image.
config OF_EMBED
bool "Embedded DTB for DT control"
help
If this option is enabled, the device tree will be picked up and
dts: Add a comment about CONFIG_OF_EMBED being for local use This comment from README.fdt-control did not end up in the Kconfig, which is what most people will see. Add it with a few tweaks. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Michal Simek <michal.simek@xilinx.com>
2015-09-01 00:47:52 +00:00
built into the U-Boot image. This is suitable for local debugging
and development only and is not recommended for production devices.
Boards in the mainline U-Boot tree should not use it.
kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
Allow boards to initialize the DT at runtime. In some boards like the Raspberry Pi the initial bootloader will pass a DT to the kernel. When using U-Boot as such kernel, the board code in U-Boot should be able to provide U-Boot with this, already assembled device tree blob. This patch introduces a new config option CONFIG_OF_BOARD to use instead of CONFIG_OF_EMBED or CONFIG_OF_SEPARATE which will initialize the DT from a board-specific funtion instead of bundling one with U-Boot or as a separated file. This allows boards like the Raspberry Pi to reuse the device tree passed from the bootcode.bin and start.elf firmware files, including the run-time selected device tree overlays. Signed-off-by: Alex Deymo <deymo@google.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-04-02 08:25:20 +00:00
config OF_BOARD
bool "Provided by the board at runtime"
depends on !SANDBOX
help
If this option is enabled, the device tree will be provided by
the board at runtime if the board supports it, instead of being
bundled with the image.
kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
config OF_HOSTFILE
bool "Host filed DTB for DT control"
depends on SANDBOX
help
If this option is enabled, DTB will be read from a file on startup.
This is only useful for Sandbox. Use the -d flag to U-Boot to
specify the file to read.
endchoice
kconfig: move CONFIG_DEFAULT_DEVICE_TREE to kconfig This option specifies the default Device Tree used for the run-time configuration of U-Boot. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:06 +00:00
config DEFAULT_DEVICE_TREE
string "Default Device Tree for DT control"
fdt: Adjust DEFAULT_DEVICE_TREE to device on OF_CONTROL This option has no meaning without OF_CONTROL, so add a dependency. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-02-23 05:55:44 +00:00
depends on OF_CONTROL
kconfig: move CONFIG_DEFAULT_DEVICE_TREE to kconfig This option specifies the default Device Tree used for the run-time configuration of U-Boot. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:06 +00:00
help
This option specifies the default Device Tree used for DT control.
Correct two non-functional misspellings "overrided". Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
2014-10-21 20:44:32 +00:00
It can be overridden from the command line:
kconfig: move CONFIG_DEFAULT_DEVICE_TREE to kconfig This option specifies the default Device Tree used for the run-time configuration of U-Boot. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:06 +00:00
$ make DEVICE_TREE=<device-tree-name>
spl: Add a way to specify a list of device trees to include When building a FIT, more than one device tree can be included. The board can select (at run-time) the one that it wants. Add a Kconfig option to allow the list of devices trees (supported by the board) to be specified. When using SPL_LOAD_FIT, build u-boot.img in FIT format instead of the legacy image format. Include all the listed device tree files in this FIT. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-02-23 05:55:57 +00:00
config OF_LIST
string "List of device tree files to include for DT control"
dts: renamed FIT_EMBED to MULTI_DTB_FIT and moved it to the dts Kconfig CONFIG_FIT_EMBED might be confused with CONFIG_OF_EMBED, rename it MULTI_DTB_FIT as it is able to get a DTB from a FIT image containing multiple DTBs. Also move the option to the Kconfig dedicated to the DTS options and create a README for this feature. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-09-15 10:57:24 +00:00
depends on SPL_LOAD_FIT || MULTI_DTB_FIT
spl: Setup default value for OF_LIST OF_LIST can't remain empty that's why setup it up to default DTB. If it is empty u-boot.img is created without FDT partition: For example: ./tools/mkimage -f auto -A arm -T firmware -C none -O u-boot -a 0x8000000 -e 0 -n "U-Boot 2016.05-rc3 ..." -E -b -d u-boot-nodtb.bin u-boot.img Can't set 'timestamp' property for '' node (FDT_ERR_NOSPACE) FIT description: Firmware image with one or more FDT blobs Created: Wed May 4 15:02:52 2016 Image 0 (firmware@1) Description: U-Boot 2016.05-rc3-00080-gff2e12ae22a8-dirty for zynqmp board Created: Wed May 4 15:02:52 2016 Type: Firmware Compression: uncompressed Data Size: unavailable Architecture: ARM Load Address: 0x08000000 Default Configuration: 'conf@1' Configuration 0 (conf@1) Description: unavailable Kernel: unavailable And then image like this doesn't contain description and link to FDT and can't boot. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Tom Rini <trini@konsulko.com>
2016-05-04 13:14:11 +00:00
default DEFAULT_DEVICE_TREE
spl: Add a way to specify a list of device trees to include When building a FIT, more than one device tree can be included. The board can select (at run-time) the one that it wants. Add a Kconfig option to allow the list of devices trees (supported by the board) to be specified. When using SPL_LOAD_FIT, build u-boot.img in FIT format instead of the legacy image format. Include all the listed device tree files in this FIT. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-02-23 05:55:57 +00:00
help
This option specifies a list of device tree files to use for DT
dts: Allow OF_LIST to depend on FIT_EMBED OF_LIST will be useable by SPL and U-boot. Therefore, update its dependency to allow it to be enable by either SPL or U-boot specific config option. Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Andrew F. Davis <afd@ti.com>
2017-06-16 22:25:09 +00:00
control. These will be packaged into a FIT. At run-time, U-boot
or SPL will select the correct DT to use by examining the
hardware (e.g. reading a board ID value). This is a list of
device tree files (without the directory or .dtb suffix)
separated by <space>.
spl: Add a way to specify a list of device trees to include When building a FIT, more than one device tree can be included. The board can select (at run-time) the one that it wants. Add a Kconfig option to allow the list of devices trees (supported by the board) to be specified. When using SPL_LOAD_FIT, build u-boot.img in FIT format instead of the legacy image format. Include all the listed device tree files in this FIT. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-02-23 05:55:57 +00:00
dts: renamed FIT_EMBED to MULTI_DTB_FIT and moved it to the dts Kconfig CONFIG_FIT_EMBED might be confused with CONFIG_OF_EMBED, rename it MULTI_DTB_FIT as it is able to get a DTB from a FIT image containing multiple DTBs. Also move the option to the Kconfig dedicated to the DTS options and create a README for this feature. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-09-15 10:57:24 +00:00
config DTB_RESELECT
bool "Support swapping dtbs at a later point in boot"
depends on MULTI_DTB_FIT
help
It is possible during initial boot you may need to use a generic
dtb until you can fully determine the board your running on. This
config allows boards to implement a function at a later point
during boot to switch to the "correct" dtb.
config MULTI_DTB_FIT
bool "Support embedding several DTBs in a FIT image for u-boot"
help
This option provides hooks to allow U-boot to parse an
appended FIT image and enable board specific code to then select
the correct DTB to be used. Use this if you need to support
multiple DTBs but don't use the SPL.
spl: dm: Make it possible for the SPL to pick its own DTB from a FIT u-boot can be embedded within a FIT image with multiple DTBs. It then selects at run-time which one is best suited for the platform. Use the same principle here for the SPL: put the DTBs in a FIT image, compress it (LZO, GZIP, or no compression) and append it at the end of the SPL. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> [trini: Move default y of SPL_MULTI_DTB_FIT_DYN_ALLOC to it being the default choice if SYS_MALLOC_F, drop spl.h include from lib/fdtdec.c it's unused.] Signed-off-by Tom Rini <trini@konsulko.com>
2017-09-15 10:57:32 +00:00
config SPL_MULTI_DTB_FIT
depends on SPL_LOAD_FIT && SPL_OF_CONTROL && !SPL_OF_PLATDATA
bool "Support embedding several DTBs in a FIT image for the SPL"
help
This option provides the SPL with the ability to select its own
DTB at runtime from an appended FIT image containing several DTBs.
This allows using the same SPL binary on multiple platforms.
The primary purpose is to handle different versions of
the same platform without tweaking the platform code if the
differences can be expressed in the DTBs (common examples are: bus
capabilities, pad configurations).
config SPL_OF_LIST
string "List of device tree files to include for DT control in SPL"
depends on SPL_MULTI_DTB_FIT
default OF_LIST
help
This option specifies a list of device tree files to use for DT
control in the SPL. These will be packaged into a FIT. At run-time,
the SPL will select the correct DT to use by examining the
hardware (e.g. reading a board ID value). This is a list of
device tree files (without the directory or .dtb suffix)
separated by <space>.
choice
prompt "SPL OF LIST compression"
depends on SPL_MULTI_DTB_FIT
default SPL_MULTI_DTB_FIT_LZO
config SPL_MULTI_DTB_FIT_LZO
bool "LZO"
depends on SYS_MALLOC_F
select SPL_LZO
help
Compress the FIT image containing the DTBs available for the SPL
using LZO compression. (requires lzop on host).
config SPL_MULTI_DTB_FIT_GZIP
bool "GZIP"
depends on SYS_MALLOC_F
select SPL_GZIP
help
Compress the FIT image containing the DTBs available for the SPL
using GZIP compression. (requires gzip on host)
config SPL_MULTI_DTB_FIT_NO_COMPRESSION
bool "No compression"
help
Do not compress the FIT image containing the DTBs available for the SPL.
Use this options only if LZO is not available and the DTBs are very small.
endchoice
choice
prompt "Location of uncompressed DTBs "
depends on (SPL_MULTI_DTB_FIT_GZIP || SPL_MULTI_DTB_FIT_LZO)
default SPL_MULTI_DTB_FIT_DYN_ALLOC if SYS_MALLOC_F
config SPL_MULTI_DTB_FIT_DYN_ALLOC
bool "Dynamically allocate the memory"
depends on SYS_MALLOC_F
config SPL_MULTI_DTB_FIT_USER_DEFINED_AREA
bool "User-defined location"
endchoice
config SPL_MULTI_DTB_FIT_UNCOMPRESS_SZ
hex "Size of memory reserved to uncompress the DTBs"
depends on (SPL_MULTI_DTB_FIT_GZIP || SPL_MULTI_DTB_FIT_LZO)
default 0x8000
help
This is the size of this area where the DTBs are uncompressed.
If this area is dynamically allocated, make sure that
SPL_SYS_MALLOC_F_LEN is big enough to contain it.
config SPL_MULTI_DTB_FIT_USER_DEF_ADDR
hex "Address of memory where dtbs are uncompressed"
depends on SPL_MULTI_DTB_FIT_USER_DEFINED_AREA
help
the FIT image containing the DTBs is uncompressed in an area defined
at compilation time. This is the address of this area. It must be
aligned on 2-byte boundary.
dm: Reduce SPL device tree size The SPL device tree size must be minimised to save memory. Only include properties that are needed by SPL - this is determined by the presence of the "u-boot,dm-pre-reloc" property. Also remove a predefined list of unused properties from the nodes that remain. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-06-23 21:38:29 +00:00
config OF_SPL_REMOVE_PROPS
string "List of device tree properties to drop for SPL"
dts: fix dependency of OF_SPL_REMOVE_PROPS This should depend on SPL_OF_CONTROL (it is not equivalent to SPL && OF_CONTROL). Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Simon Glass <sjg@chromium.org>
2015-08-28 11:28:42 +00:00
depends on SPL_OF_CONTROL
dm: avoid dropping pin control DT properties in case of SPL_PINCTRL This patch replaces SPL_PINCTRL_FULL with SPL_PINCNTRL. It is to avoid removal of pin control properties in case of SPL_PINCTRL. No impact in case of SPL_PINCTRL_FULL as it depends on SPL_PINCTRL. Signed-off-by: Vikas Manocha <vikas.manocha@st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-03-24 21:47:44 +00:00
default "interrupt-parent" if SPL_PINCTRL && SPL_CLK
default "clocks clock-names interrupt-parent" if SPL_PINCTRL
dts: keep clock-names and clocks in SPL DTB if SPL_CLK is enabled These two properties are necessary for SPL to get clocks from DT. Note: For now, only clock look-up by index is supported (clk_get_by_index() function), so "clock-names" is never parsed in U-Boot. However, we may want to support something like clk_get_by_name() in the future, so let's keep "clock-names" as well as "clocks". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-02-03 11:51:36 +00:00
default "pinctrl-0 pinctrl-names interrupt-parent" if SPL_CLK
dm: Reduce SPL device tree size The SPL device tree size must be minimised to save memory. Only include properties that are needed by SPL - this is determined by the presence of the "u-boot,dm-pre-reloc" property. Also remove a predefined list of unused properties from the nodes that remain. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-06-23 21:38:29 +00:00
default "pinctrl-0 pinctrl-names clocks clock-names interrupt-parent"
help
Since SPL normally runs in a reduced memory space, the device tree
is cut down to only what is needed to load and start U-Boot. Only
nodes marked with the property "u-boot,dm-pre-reloc" will be
included. In addition, some properties are not used by U-Boot and
can be discarded. This option defines the list of properties to
discard.
dm: Add an option to enable the of-platdata feature Add a Kconfig option to enable this feature. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-07-04 17:58:06 +00:00
config SPL_OF_PLATDATA
bool "Generate platform data for use in SPL"
depends on SPL_OF_CONTROL
help
For very constrained SPL environments the overhead of decoding
device tree nodes and converting their contents into platform data
is too large. This overhead includes libfdt code as well as the
device tree contents itself. The latter is fairly compact, but the
former can add 3KB or more to a Thumb 2 Image.
This option enables generation of platform data from the device
tree as C code. This code creates devices using U_BOOT_DEVICE()
declarations. The benefit is that it allows driver code to access
the platform data directly in C structures, avoidin the libfdt
overhead.
This option works by generating C structure declarations for each
compatible string, then adding platform data and U_BOOT_DEVICE
declarations for each node. See README.platdata for more
information.
spl: dm: Kconfig: split OF_CONTROL and OF_PLATDATA between SPL and TPL For the RK3368, we want to use OF_PLATDATA in TPL, but full OF_CONTROL in SPL: this requires the introduction of a new family of configuration options to decouple SPL_OF_CONTROL and SPL_OF_PLATDATA from TPL. Consequently, Makefile.spl needs to be adjusted to test for these configuration items through the $(SPL_TPL_) macro instead of hard-coding the SPL variant. Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
2017-06-29 09:11:21 +00:00
config TPL_OF_PLATDATA
bool "Generate platform data for use in TPL"
depends on TPL_OF_CONTROL
help
For very constrained SPL environments the overhead of decoding
device tree nodes and converting their contents into platform data
is too large. This overhead includes libfdt code as well as the
device tree contents itself. The latter is fairly compact, but the
former can add 3KB or more to a Thumb 2 Image.
This option enables generation of platform data from the device
tree as C code. This code creates devices using U_BOOT_DEVICE()
declarations. The benefit is that it allows driver code to access
the platform data directly in C structures, avoidin the libfdt
overhead.
This option works by generating C structure declarations for each
compatible string, then adding platform data and U_BOOT_DEVICE
declarations for each node. See README.platdata for more
information.
kconfig: move CONFIG_OF_* to Kconfig This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
2014-09-22 10:59:05 +00:00
endmenu
tools/mkimage: Make the path to the dtc binary that mkimage calls configurable In some cases, such as FreeBSD, the path to an alternative dtc needs to be used. Rather than override the one given in the Makefile on the command line, make this part of the build configuration. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-24 03:14:33 +00:00
config MKIMAGE_DTC_PATH
string "Path to dtc binary for use within mkimage"
default "dtc"
help
The mkimage host tool will, in order to generate FIT images make
calls to the dtc application in order to create the output. In
some cases the system dtc may not support all required features
and the path to a different version should be given here.
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