Commit Graph

144 Commits

Author SHA1 Message Date
Kumar Gala
ec63dca3ea scripts/dts/extract: Fix producing bogus alias if reg has no size
Its possible that a reg property is address only.  If that's the case we
should produce any alias information for the size.  We should check
nr_size_cells to decide to handle the alias case or not.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 22:39:07 -06:00
Kumar Gala
e3e87f624f scripts/dts/extract_dts_includes: Hand alias to alias for write_conf
If we have an alias pointing to another alias we would get None in the
resulting conf file.  However that alias might exist, so try looking it
up again in the aliases db.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 22:39:07 -06:00
Kumar Gala
5a20a418a2 scripts/dts/extract: Remove generation for FLASH_LABEL
FLASH_LABEL define isn't used anywhere so remove it.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 22:39:07 -06:00
Kumar Gala
873e4e950a scripts/dts/extract_dts_includes: Add DT_ prefix to FLASH_AREA defines
We generate the following FLASH prefixed defines:

	FLASH_AREA_MCUBOOT_LABEL
	FLASH_AREA_MCUBOOT_OFFSET
	FLASH_AREA_MCUBOOT_OFFSET_0
	FLASH_AREA_MCUBOOT_READ_ONLY
	FLASH_AREA_MCUBOOT_SIZE
	FLASH_AREA_MCUBOOT_SIZE_0

Now we generate DT_ prefixed versions:

	DT_FLASH_AREA_MCUBOOT_LABEL
	DT_FLASH_AREA_MCUBOOT_OFFSET
	DT_FLASH_AREA_MCUBOOT_OFFSET_0
	DT_FLASH_AREA_MCUBOOT_READ_ONLY
	DT_FLASH_AREA_MCUBOOT_SIZE
	DT_FLASH_AREA_MCUBOOT_SIZE_0

And will deprecate the non DT_ prefixed versions in the future.  We keep
them around as aliases for the time being.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 22:39:07 -06:00
Kumar Gala
2024f6b2a0 scripts/dts/extract_dts_includes: Add DT_ prefix to FLASH defines
We generate the following FLASH prefixed defines:
	FLASH_LABEL
	FLASH_ERASE_BLOCK_SIZE
	FLASH_WRITE_BLOCK_SIZE

Now we generate DT_ prefixed versions:
	DT_FLASH_LABEL
	DT_FLASH_ERASE_BLOCK_SIZE
	DT_FLASH_WRITE_BLOCK_SIZE

And will deprecate the non DT_ prefixed versions in the future.  We keep
them around as aliases for the time being.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 22:39:07 -06:00
Kumar Gala
c7606609be dts: Remove base_label support
We've removed all references to base_label in dts bindings and are
removing the functionality.  We should depend on DT_ prefixed defines
going forward.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 14:44:42 -06:00
Kumar Gala
ff70b3444f dts: Convert CONFIG_ to DT_ symbols for chosen props
Replace generating CONFIG_ symbols with DT_ symbols for chosen
properties like 'zephyr,console' or 'zephyr,bt-mon-uart'.  We now use a
kconfigfunctions (dt_str_val) to extract the info from dts into Kconfig.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 11:41:26 -06:00
Kumar Gala
bfaaa6bbe9 dts: Convert CONFIG_CCM to DT_CCM
Since we know do DTS before Kconfig we should try and remove dts from
creating Kconfig namespaced symbols and leave that to Kconfig.  So
rename CONFIG_CCM_<FOO> to DT_CCM_<FOO>.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-08 10:29:57 -06:00
Ulf Magnusson
298f9e1e8a scripts/dts: Rename get_key_value() to define_str()
As in "#define string". More explicit.

Rename the parameters to name/value instead of k/v too.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
638e89bb7c scripts/dts: Simplify tabstop logic in write_header()
A string can be repeated n times with n*'foo'.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
0e922bff75 scripts/dts: Simplify write_header()
That the 'aliases' key isn't a regular property makes things a bit
confusing. Write the aliases separately, which should be a bit clearer.
That also makes it clear that the order doesn't matter.

The 'aliases' key always exists in defs[node], so use [] instead of
.get(). Also write "'aliases'" instead of "prop" when the value is
known.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
98df8b99d6 scripts/dts: Remove unused os.listdir import
Unused.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
72f0125b92 scripts/dts: Rename conf/header-writing functions to write_conf/header
Probably easier to understand.

Also rename 'fd' to 'f'. "File descriptor" might make it sound like an
integer.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
00c43d4d08 scripts/dts: Simplify output_keyvalue_lines()
That the 'aliases' key isn't a regular property makes things a bit
confusing. Write the aliases separately, which should be a bit clearer.
That also makes it clear that the order doesn't matter.

Also write "'aliases'" instead of "prop" when the value is known.

The .get() seems to be needed to work around a bug, and sometimes you
get DT_...=None in the output. Might look into that later.

extract_string_prop() could generate 'defs' entries without 'aliases'
keys. Make it add an empty 'aliases' dict instead, to remove existence
checks elsewhere.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
7b0ac7d303 scripts/dts: Simplify get_parent_address()
Returns the empty string for '/foo' and '/', but the old version did
that too, so maybe it's intended.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
a776927250 scripts/dts: Simplify find_parent_prop()
Also replace a .get() where the key is known to exist.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
87193b0e1b scripts/dts: Remove generate_node_definitions() return value
Unused.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
4217de046b scripts/dts: Inline simple single-caller functions into main()
Inline load_and_parse_dts() and generate_{keyvalue,include}_file().

Also specify UTF-8 for writing files, and fix some mis-indentation.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
2528b538a4 scripts/dts: Remove redundant nargs=1 argparse args
Flags take a single argument by default, and removing nargs=1 avoids
getting it as a single-element list.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
6f5d5c56f2 scripts/dts: Simplify code around extract_bus_name() call
Get rid of the parent_label variable.

Also avoid using "label" in two different senses (DT label and name of
define macro) within the same comment.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
7827c765aa scripts/dts: Rename extract_single() to extract_bus_name()
This matches the only way in which it's used.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
6127f0a07f scripts/dts: Simplify extract_single()
Get rid of the 'prop' variable.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
c631edddb8 scripts/dts: Inline 'prop' and 'key' params into extract_single()
These are always 'parent-label' (used as a flag) and 'bus-name',
respectively.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
636b6be62d scripts/dts: Remove the prop_def variable in extract_single()
Shorter and still clear without it.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Ulf Magnusson
f5ee8f65a7 scripts/dts: Remove dead type-checking code in extract_single()
'prop' is always a string.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 21:42:36 -06:00
Findlay Feng
69c15f0ed1 dts: flash_map: Automatically generate of the list of flash area
This Patch add functionality for automatic generation of the flash map
using DTS description. Automatic generation allows to replace
C-hardcoded flash_map.

We generate a set of defines based on the index of a partiion:
	#define DT_FLASH_AREA_<IDX>_OFFSET	0
	#define DT_FLASH_AREA_<IDX>_SIZE	131072
	#define DT_FLASH_AREA_<IDX>_DEV		"FLASH_CTRL"
	#define DT_FLASH_AREA_<IDX>_LABEL	MCUBOOT

Additionally we also define:
	#define DT_FLASH_AREA_NUM		4

and:
	#define DT_FLASH_AREA_<PARTNAME>_ID	0

Signed-off-by: Findlay Feng <i@fengch.me>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-07 10:31:27 -06:00
Ulf Magnusson
7df60372c2 scripts/dts: Rename convert_string_to_label() to str_to_label()
Less spammy and as easy to understand ("label" seems a bit confusing
though, but it's consistent with other code).

Also simplify some surrounding code, and clean up the implementation of
str_to_label() a bit.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
9c1274b6e8 scripts/dts: Simplify code around insert_defs() calls
Pass the dictionary of definitions directly. Shorter and clearer.

Also get rid of some other temporary variables, a redundant str() call,
and some mysterious commented-out code in _extract_flash().

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
e8a077b6a3 scripts/dts: Remove redundant parentheses around 'if' conditions
Not needed in Python.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
b278500d94 scripts/dts: Remove dead and confusing pwm/gpio-related code
- Maybe the code is trying to turn integers into single-element list,
   but it won't work (needs to be [value] rather than list(value)).
   Don't think you could ever end up with an integer either.

 - extract_controller() assumes that prop_values is a list, so
   reduced[...].get(prop) should be reduced[...][prop]. get() means it's
   okay for the key to be missing, which makes the code confusing.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
d2985b31d8 scripts/dts: Remove dead and confusing code in get_phandles()
- The 'props' key is known to exist (and 'if enabled == ...:' would
    crash if it ever was missing)

  - 'd' is always a dictionary

  - There's no need to test if d['children'] is non-empty before looping
    through it

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
23afd94704 scripts/dts: Remove dead and confusing code in get_all_compatibles()
- The 'props' key is known to exist (and 'if enabled == ...:' would
   crash if it ever was missing)

 - 'd' is always a dictionary

 - There's no need to test if d['children'] is non-empty before looping
   through it

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
d26cb1fb55 scripts/dts: Remove redundant and confusing dict.get() calls
dict.get(key) signals to people reading the code that you're not sure
whether the key exists. It returns None if it doesn't.

When the key is known to exist, dict[key] should be used. This also
helps catch bugs by raising an exception if the key is missing.

Similarly, whether a key in a dict should be tested with

    if key in dict:

instead of with

    if dict.get(key):

The second version signals that you both want to make sure that the
exists and that it's truthy (e.g., non-empty). That's confusing if a
simple existence check was meant.

There seems to be a bug in output_keyvalue_lines() where

    fd.write("%s=%s\n" % (entry, defs[node].get(a)))

can end up writing '...=None'. Removing the .get() makes it throw an
exception instead. Keep the .get() for now and don't attempt to fix the
bug.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Ulf Magnusson
01db6469ca scripts/dts: Remove redundant dict.keys() calls
'x in dict' and 'for x in dict' in Python always uses the keys.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
2019-02-07 10:39:37 +01:00
Kumar Gala
ce7ed18989 dts: Move CONFIG_SRAM_* & CONFIG_FLASH_* back to Kconfig
dts will now generate DT_SRAM_BASE_ADDRESS, DT_SRAM_SIZE,
DT_FLASH_BASE_ADDRESS, and DT_FLASH_SIZE defines.  Kconfig can utilize
these defines to set defaults for the CONFIG_ variants.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-02-01 10:16:06 -06:00
Kumar Gala
87915cd36f dts: stop generating CONFIG_FLASH_LOAD_{OFFSET,SIZE}
As a step to completing removing use of Kconfig defines in dts files we
need to change how we configure/set CONFIG_FLASH_LOAD_{OFFSET,SIZE}.

Previously we would set them based on how the chosen property
'zephyr,code-partition' was set to.  If 'zephyr,code-partition' wasn't
set we would default the values to 0.  We had some generic overlay logic
which would define 'zephyr,code-partition' based on
CONFIG_BOOTLOADER_MCUBOOT.

Going forward if the DTS has 'zephyr,code-partition' set we will
generate DT_CODE_PARTITION_OFFSET & DT_CODE_PARTITION_SIZE defines.  We
will leave it to Kconfig to set CONFIG_FLASH_LOAD_OFFSET &
CONFIG_FLASH_LOAD_SIZE.

We introduce a python script that allows Kconfig to extract data from
the DTS and thus we can utilize DT_CODE_PARTITION_OFFSET and
DT_CODE_PARTITION_SIZE values to set defaults for
CONFIG_FLASH_LOAD_OFFSET & CONFIG_FLASH_LOAD_SIZE.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
2019-02-01 10:16:06 -06:00
Kumar Gala
7d52cb7d4a scripts/dts/extract: Rework to extract_{controller,cells}
Rework extract_{controller,cells} so they aren't recursive.  As part of
this change we take the flat cell array property and build a proper list
based on what the number of cells each element would represent.

Fixes #12724

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-30 09:41:10 -06:00
Kumar Gala
d5b58e1655 scripts/dts/extract: Move flattening of list to one place
Because of differents in dtc versions the output of a list property may
vary.  We would flatten the list of lists to a single list to match how
older dtc versions did things.  Rather than doing that flattening in
multiple places, move it to get_reduced() so we do it just once.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-30 09:41:10 -06:00
Sebastian Bøe
361daf8ebd DeviceTree: Fix generated header comment
The header comment in 'generated_dts_board_unfixed.h' was including
'compatible' as a helpful text.

But something has been broken with how we extract 'compatible' because
it was being evaluated to 'q'. Giving a confusing header text:

Generated include file q

Since the mechanism is broken, and does not appear to be important, we
remove it.

Also, modernize how we generate multi-line strings.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2019-01-25 03:02:33 -06:00
Sebastian Bøe
c23cc26c73 DeviceTree: Convert 'generated_dts_board.h' into a source file
extract_dts_includes.py has been generating DT output and then
concatenating it with fixup header files to create
'generated_dts_board.h'.

In this patch we instead introduce a source file named
'generated_dts_board.h' and have it \#include the appropriate DT
output and fixup files.

This results in a simpler system because users can now read
'generated_dts_board.h' as C source code to see how fixup files and
generated DT output relate to each other. Whereas before they would
have to either read documentation or python code to gain the same
understanding.

Also, it reduces the scope and complexity of one of our most bloated
python scripts, extract_dts_includes.py.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
2019-01-25 03:02:33 -06:00
Kumar Gala
f592c528f4 scripts/dts/extract: Add support for generating SPI GPIO CS defines
Add support to generation script to generate defines for GPIO CS
[WIP], need to clarify some issues on how CS's look when we mix GPIO-CS
and HW CS.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-23 18:12:24 -06:00
Kumar Gala
4bd4185a2c scripts/dts/extract: Add single extract to extract_{controller,cells}
Add the ability to extract just a single instance from extract_cells and
extract_controller.  This lets us pass in a prop_values like:

cs-gpios =  < 0x02 0x11 0x00 >, < 0x03 0x05 0x00 >;

and extract just index = 1 if we want < 0x03 0x05 0x00 >.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-23 18:12:24 -06:00
Kumar Gala
44fd0c5624 scripts/dts/extract: Move extract_{controller,cells} into globals
Move extract_cells and extract_controller functions into globals so they
can be utilized outside of just the main extract_dts_includes script.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-23 18:12:24 -06:00
Kumar Gala
9948eb036c scripts/dts/extract: Don't warn for 'category' merge of 'required'
We get warnings like:
	foo.yaml('BAH') merge of property 'category': 'required'
	overwrites 'optional'

This warning isn't meaningful as its reasonable to change the 'category'
of a property from 'optional' to 'required'.  So don't warn in the case
anymore.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-23 06:17:06 -06:00
Kumar Gala
32cbc42ce6 scripts/dts/extract: fix handling of non-MMIO SPI flash
The Intel S1000 board has a SPI flash that isn't directly MMIO
addressable.  For this case we shouldn't generate CONFIG_FLASH_SIZE or
CONFIG_FLASH_BASE_ADDRESS.

We use the heuristic of assuming if the flash node #size-cells is 0, its
a SPI flash.  Than if the parent node (SPI controller) has only a single
reg element we assume its a non-MMIO addressable SPI flash.  If there is
more than one reg element we assume the last reg element is the MMIO
address region for access to the flash.

Fixes #12530

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-17 21:29:07 -05:00
Kumar Gala
8f52956905 scripts: extract_dts_includes: Change arg parsing requirements
Changed arg parsing so you can invoke the script and only generate the
include file or conf file as desired.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-15 08:10:31 -06:00
Kumar Gala
35ecc78cdf scripts/dts/extract: Generate unique defines based on compat & instance
Add support to generate defines of the form
DT_<COMPAT>_<INSTANCE>_<PROP>.  The idea is that we can utilize this in
drivers to remove the need for dts_fixup.h.  The <INSTANCE> value is
determined by the script and starts at 0 and counts up for each instance
of a given <COMPAT>.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-14 06:33:29 -06:00
Kumar Gala
3b9147df3f scripts/dts/extract: Fliter duplicates values inserted into defs
If an aliases already exists in the defs we should filter it out.  Also
if an alias exists in the new_def we should filter the alias out.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-14 06:33:29 -06:00
Kumar Gala
94240aebb2 scripts/dts/extract: Add an instance ID for each compatiable
Add a unique instance starting at 0 for each compatiable in the dts.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2019-01-14 06:33:29 -06:00
David Leach
afcfa11ce0 scripts: extract_dts_includes: Enhance message information
The information message when processing the yaml files is
cryptic when there is an override. This change adds filenmae
of yaml file being processed and the parent tuple with
the override.

Signed-off-by: David Leach <david.leach@nxp.com>
2019-01-12 15:23:11 -06:00