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Add documentation for the pre-reloc property in SPL and TPL device-tree:
- u-boot,dm-pre-proper
- u-boot,dm-pre-reloc
- u-boot,dm-spl
- u-boot,dm-tpl
Signed-off-by: Patrick Delaunay <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Now, we have few driver are fully converted into dm and few
are partially converted.
So, update the migration status accordingly.
Signed-off-by: Jagan Teki <[email protected]>
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In previously label which will be expanded to the node's full path was
used, and now replacing label with most commonly used DT phandle. The
codes were changed accordingly to the use of DT phandle and supporting
multiple instances.
Signed-off-by: Tien Fong Chee <[email protected]>
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Now that all boards using TI QSPI have moved to DM and DT, drop non DM
code completely.
Signed-off-by: Vignesh Raghavendra <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
[jagan: update MIGRATION.txt, rebase config_whitelist.txt]
Signed-off-by: Jagan Teki <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Improve some things in the documentation of OF_PLATDATA that I found
while porting socfgpa_gen5 to it.
Signed-off-by: Simon Goldschmidt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Switching private data manual allocation to driver model auto allocation
so users no longer need to deallocate themself because this would be
deallocated by driver model when the device is no longer required.
Signed-off-by: Tien Fong Chee <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add a migration plan for video which is an important subsystem in U-Boot.
Signed-off-by: Simon Glass <[email protected]>
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Add a migration plan for PCI which is an important subsystem in U-Boot.
Signed-off-by: Simon Glass <[email protected]>
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- v2019.04 for no dm conversion drivers
- v2019.07 for partially converted drivers.
Note: there were many updates on this deadline, so better
not update this again.
Signed-off-by: Jagan Teki <[email protected]>
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The function part_init() will only be built when we have both
CONFIG_PARTITIONS and CONFIG_HAVE_BLOCK_DEVICE set. Protect the call to
this function with both of these tests now.
Cc: Simon Glass <[email protected]>
Cc: Philipp Tomsich <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: York Sun <[email protected]>
Cc: Prabhakar Kushwaha <[email protected]>
Cc: Mingkai Hu <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Marek Behún <[email protected]>
Cc: Vanessa Maegima <[email protected]>
Cc: Eugen Hristev <[email protected]>
Cc: Adam Ford <[email protected]>
Cc: Jagan Teki <[email protected]>
Cc: Tom Warren <[email protected]>
Cc: Stephen Warren <[email protected]>
Cc: Vitaly Andrianov <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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- Various MTD fixes from Boris
- Zap various unused / legacy paths.
- pxa3xx NAND update from Miquel
Signed-off-by: Tom Rini <[email protected]>
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The biggest part of migration to using CONFIG_BLK is that we need to
have the various subsystems migrated first, so reword the plan here to
reference the new deadlines.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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As the core of the subsystem has been converted along with some of the
drivers, formalize a deadline for migration.
Cc: Akshay Bhat <[email protected]>
Cc: Andreas Geisreiter <[email protected]>
Cc: Bin Meng <[email protected]>
Cc: Christian Gmeiner <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Jason Liu <[email protected]>
Cc: Ken Lin <[email protected]>
Cc: Ludwig Zenz <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Max Krummenacher <[email protected]>
Cc: Nikita Kiryanov <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Peng Fan <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Cc: Soeren Moch <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Tim Harvey <[email protected]>
Cc: Troy Kisky <[email protected]>
Cc: Tuomas Tynkkynen <[email protected]>
Cc: York Sun <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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As much of the USB system has been migrated to DM now, formalize a
deadline for migration.
Reviewed-by: Marek Vasut <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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Given that at this point the MMC subsystem itself has been migrated
along with a number of subsystem drivers, formalize a deadline for
migration.
Reviewed-by: Simon Glass <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Goldschmidt <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
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spi_init used in some areas in tree, but the respective
drivers will remove in future patches.
So remove the same instances.
Signed-off-by: Jagan Teki <[email protected]>
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Add some description about pre-relocation driver binding, including
usage of DM_FLAG_PRE_RELOC flag and caveats.
Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Reword the documentation to make it clear the compatible string is now
optional, yet still matching on it takes precedence over PCI IDs and
PCI classes.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Tom Rini <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
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At present it is not possible to specify that a node should be used before
relocation (in U-Boot proper) without it also ending up in SPL and TPL
device trees. Add a new "u-boot,dm-pre-proper" boolean property for this.
Signed-off-by: Simon Glass <[email protected]>
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Make a few small updates to indicate that device tree can be used in SPL
and TPL.
Signed-off-by: Simon Glass <[email protected]>
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Provide information about
- overview of file system firmware loader driver model
- describe storage device and partition in device tree source
- describe fie system firmware loader API
Signed-off-by: Tien Fong Chee <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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In the section about Device Trees add a paragraph at the end that
clarifies how we decide of a tree is valid or not. We say that all
bindings must either be in the specification (link provided) or in our
device-tree-bindings directory. We say that most of these come from the
Linux Kernel and as such some design decisions are made for us already,
but that in most cases we wish to retain compatibility.
Cc: Simon Glass <[email protected]>
Cc: Bin Meng <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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At present all emulated sandbox pci devices must be present in the
device tree in order to be used. The real world pci uclass driver
supports pci device driver matching, and we should add such support
on sandbox too.
Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Signed-off-by: Chris Packham <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Last user of this driver went away in May 2017 in commit
eb5ba3aefdf0f6c ("i2c: Drop use of CONFIG_I2C_HARD").
Signed-off-by: Tuomas Tynkkynen <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
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Last user of this driver went away in June 2015 in commit
d928664f4101e24 ("powerpc: 74xx_7xx: remove 74xx_7xx cpu support")
Signed-off-by: Tuomas Tynkkynen <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <[email protected]>
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Due to adding various new functionalities with SPI and SPI-FLASH
subsystems which are rounding in Mailing list for year these long
term supporting spi driver which never seen any update with
driver-model conversion.
So added migration plan for DM_SPI and DM_SPI_FLASH with
deadline v2018.09
Signed-off-by: Jagan Teki <[email protected]>
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Rather than naming the phandle struct according to the number of cells it
uses (e.g. struct phandle_2_cell) name it according to the number of
arguments it has (e.g. struct phandle_1_arg). This is a more intuitive
naming.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Kever Yang <[email protected]>
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Add some documentation for the live device tree support in U-Boot. This
was missing from the initial series.
Signed-off-by: Simon Glass <[email protected]>
Suggested-by: Lukasz Majewski <[email protected]>
Reviewed-by: Łukasz Majewski <[email protected]>
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The CONFIG_BLK conversion involves quite invasive changes in the U-Boot
code, with #ifdefs and different code paths. We should try to move over to
this soon so we can drop the old code.
Set a deadline of 9 months for this work, rounded up to the next release.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Sometimes a node will have multiple compatible strings. Drivers may use
one or the other so the best approach seems to be to #define them to be
equivalent.
Update dtoc to support this.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Kever Yang <[email protected]>
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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 <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>
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Right now the u-boot,dm-pre-reloc flag will make each marked node
always appear in both spl and tpl. But systems needing an additional
tpl might have special constraints for each, like the spl needing to
be very tiny.
So introduce two additional flags to mark nodes for only spl or tpl
environments and introduce a function dm_fdt_pre_reloc to automate
the necessary checks in code instances checking for pre-relocation
flags.
The behaviour of the original flag stays untouched and still marks
a node for both spl and tpl.
Signed-off-by: Heiko Stuebner <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Tested-by: Kever Yang <[email protected]>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <[email protected]>
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Add a README with a brief guide to porting i2c drivers over to use driver
model.
Add a timeline also. All I2C drivers should be converted by the end
of June 2017.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
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This is not used by any boards. Drop it.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: David Müller <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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This driver was converted so we should remove it from the list.
Signed-off-by: Simon Glass <[email protected]>
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Revise the content based on the v2 additions. This is kept as a separate
patch to avoid confusing those who have already reviewed the v1 series.
Signed-off-by: Simon Glass <[email protected]>
Suggested-by: Tom Rini <[email protected]>
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Add documentation on how this works, including the benefits and drawbacks.
Signed-off-by: Simon Glass <[email protected]>
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This will allow a driver's bind function to use the driver data. One
example is the Tegra186 GPIO driver, which instantiates child devices
for each of its GPIO ports, yet supports two different HW instances each
with a different set of ports, and identified by the udevice_id .data
field.
Signed-off-by: Stephen Warren <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Since all the tests are implemented in pytest infrastructure,
So update the dm tests with the same instead of ./test/dm/test-dm.sh
Cc: Tom Rini <[email protected]>
Cc: Simon Glass <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Signed-off-by: Jagan Teki <[email protected]>
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Remove ARM Debug communication channel driver from the list
of not converted drivers to DM.
Signed-off-by: Michal Simek <[email protected]>
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Update the README to reflect the current status.
Signed-off-by: Simon Glass <[email protected]>
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Enable SPL DM too.
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Thomas Chou <[email protected]>
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This adds driver model support to lpuart serial driver.
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Bhuvanchandra DV <[email protected]>
Tested-by: Bhuvanchandra DV <[email protected]>
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Since both altera_jtag_uart and altera_uart are converted to driver
model, remove them from the list of drivers remaining to convert.
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Chin Liang See <[email protected]>
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Signed-off-by: Kamil Lulko <[email protected]>
Cc: Simon Glass <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add a README with a brief guide to porting serial drivers over to use
driver model.
Add a timeline also. All serial drivers should be converted by the end
of January 2016.
Signed-off-by: Simon Glass <[email protected]>
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The current name is inconsistent with other driver model data access
functions. Rename it and fix up all users.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Joe Hershberger <[email protected]>
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