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41120 commits

Author SHA1 Message Date
Benjamin Walsh
13f6a0c676 kernel/arm: fix missing interrupt lock around _is_next_thread_current()
This reverts commit

	"kernel/arm: add comment about _is_next_thread_current"

and fixes the interrupt locking issue.

The comment would have been right if only reads were done the ready
queue, but that is not the case. It turns out that the comment was written
ignoring the fact that _is_next_thread_current() updates the next thread
cache when fetching the next thread.

Change-Id: I21c9230f85f4f87a6bbf14fd4a9eb7e19b59f8c5
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-11-16 00:16:28 +00:00
Gil Pitney
34849b2424 cc3200: Remove CPU_HAS_FPU from cc3200 Kconfig.soc
Though Cortex-M4 could optionally have a floating point unit,
the MCU in the cc3200 in fact does not have an FPU.

Enabling CPU_HAS_FPU caused applications built with CONFIG_FLOAT=y
to crash during an early call to enable_floating_point().

This patch was validated by running microPython, which is one
such application.

Change-Id: I8bfd42c456524e152cbbb983001d9540d93fbe98
Signed-off-by: Gil Pitney <gil.pitney@linaro.org>
2016-11-14 20:05:18 -08:00
Benjamin Walsh
dfa7ca4ee5 kernel/arm: add comment about _is_next_thread_current
Normally, _is_next_thread_current() must be called with interrupts
locked, but the ARM interrupt exit code does not have to do that. Add
explanation why.

Change-Id: Id383b47a055fdd6fbd5afffa52772e92febde98f
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-11-15 00:44:15 +00:00
Inaky Perez-Gonzalez
da5f3a5c89 legacy/kernel/test_{static_id,stackprot}: 'fatal fault' is not a failure
By default,  when a  'fatal fault'  message is seen in the output of any
testcase,  it is consider an inmediate fatal condition and the test case
is aborted.

However,  in all such cases,  the testcase is provoking the situation to
verify the condition is caught.  In this case it shall NOT be considered
a fatal fault and the default overriden to allow it to proceed.

Change-Id: Id4e9138e5f0fcb8cd77efbb1831897fb0946ba20
Signed-off-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
2016-11-15 00:40:17 +00:00
Benjamin Walsh
59a382e339 kernel: remove last instances of tNANO in comments
Change-Id: I3d533b819422d4b754afb81d3ea67c03bc7f5630
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-11-14 10:30:24 -05:00
Benjamin Walsh
ba26678fc6 kernel: fix typo in comment
Change-Id: I1919fd7b0ae3cb3ac434acc2dceddf3afb4a975b
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-11-14 10:30:18 -05:00
Inaky Perez-Gonzalez
9e1df6f21f tests/drivers/adc: move to ztest to actually test
This TC is only exercising the API, as we don't have a feedback loop
mechanism to verify whichever values are fed to the ADC.

Fixed the loop to complete after 10 runs; on each run, print the
values and actually report the difference between them. With no inputs
connected (aka: floating), they should be reporting noise relatively
close to the previous reading, so we might want to use this delta as a
testing pattern (assert if the delta is higher than some value, but
I've seen variations as high as 40M units). For now, the test is just
happy with being able to read them.

The buffer has been re-typed to uint32_t so we can iterate over it
without casting tricks -- it requires then only a single cast when
initializing sample.buffer (which shall be a void* anyway).

Duplicated the buffer, so we can flip/flop between two buffers to
compare against the entries read in the previous run.

v4: fixed missed warnings

Change-Id: If6b48b92231007202d74f5c042f6d0cf3fdcb60a
Signed-off-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
2016-11-14 03:27:50 +00:00
Inaky Perez-Gonzalez
bcb6ed95e7 tests/drivers/pci_enum: move to ztest and run in HW when possible
This test case just exercises the PCI enumeration and there is no real
way to test success/failure other than running it and the kernel not
crashing.

Moved to ztest.

Retag so it is actually ran on QEMU/x86 and galileo once we deploy in
the HW pool. Note this means that we need to force CONFIG_PCI on
Qemu/x86, which can run this testcase.

Change-Id: I85b64800f7d989357927b4a25777041047293b34
Signed-off-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
2016-11-14 03:27:37 +00:00
Anas Nashif
f23b038431 tests: update sanitycheck footprint baseline
Update file to catch any regressions and major changes during
stabilisation period.

Change-Id: Id30dd1827034b96c5478c78f9c388384f51bcbec
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-13 09:27:02 -05:00
Anas Nashif
8f6c3c666d kernel: remove nano and micro default configs
Change-Id: Ibe73b4fe25822731ad6c671cdefe0d8d5923a3e0
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-13 13:54:13 +00:00
Anas Nashif
ae09e0761b samples: ipm: convert sample to use unified APIs
Change-Id: Ibeadd2e8d9efa2380f21a091ab5645c4b69a4841
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-13 13:53:53 +00:00
Anas Nashif
2367df8d59 drivers: update ipm driver to use unified kernel
Move away from legacy APIs and use unified kenrel instead.

Change-Id: Icae86beec66df1b041405cbe3455913630fc8ad1
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-13 13:53:53 +00:00
Anas Nashif
55273b0c76 drivers: sensor: use unified timer struct name in header
Change-Id: I2d2a1689d66ed4a9ab1ce1ed5bb70c8b65f7df31
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-13 13:53:52 +00:00
Anas Nashif
cf054a2665 drivers: gpio_sch: use unified kernel APIS
Use unified kernel APIs and align syntax after function name changes.

Change-Id: I028f4faeaf33e28197d5f705063459188272027d
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-13 13:53:52 +00:00
Johan Hedberg
1447169c4b kernel: Add helpers for converting durations into milliseconds
These should help to make it easier to understand code passing
specific durations to the kernel APIs.

Change-Id: I8682fafc291e8af56fd0289d0cab8c736b88da59
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-11-13 10:52:15 +02:00
Anas Nashif
22a75145ef kernel: event_logger: fixed assert checking for priority
prio is member of base, not k_thread struct.

Change-Id: I77de52497e196eb058bf8850e25eabe42cb2ab14
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-12 21:38:38 -05:00
Benjamin Walsh
ade6dc937f kernel: fix mailbox usage of SYS_DLIST_FOR_EACH_NODE()
SYS_DLIST_FOR_EACH_NODE() is marked as non-safe when an item is removed
from the list while looping over it. This is not true per-se, since the
item, when removed, keeps its next and prev pointers intact; however, it
is true if the item is then put into a list, be it a different one or
the same one. To prevent this, SYS_DLIST_FOR_EACH_NODE_SAFE() must be
used.

_mbox_message_put() can remove items from the rx queue and then put them
in the ready queue: this would cause the loop to start processing other
ready threads as item in the rx queue.

k_mbox_get() also removes items, from the tx queue, but does not seem to
add them to another list; however, it now uses the safe version as well,
since that is the proper usage.

Change-Id: Ieccbff238fc8a036c0d53d873eaaf55f4f5a14af
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-12 21:16:01 +00:00
Johan Hedberg
1e20e8dc04 Bluetooth: Fix left-over usage of TICKS_NONE and TICKS_UNLIMITED
Switch left-over usage of TICKS_NONE and TICKS_UNLIMITED to the new
unified kernel counterparts K_NO_WAIT and K_FOREVER.

Change-Id: I2f2a16360e816f9f8791eb216deb3c70b8cc87df
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-11-12 19:27:34 +02:00
Johan Hedberg
79f020be54 Bluetooth: Flag NBLE as deprecated
The NBLE driver is now deprecated and will be removed in a future
Zephyr version.

Change-Id: I50753f8cf8566ac1e4e73df480c96253c199e6a7
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-11-12 16:18:55 +02:00
Benjamin Walsh
f6ca7de09c kernel/arch: consolidate tTCS and TNANO definitions
There was a lot of duplication between architectures for the definition
of threads and the "nanokernel" guts. These have been consolidated.

Now, a common file kernel/unified/include/kernel_structs.h holds the
common definitions. Architectures provide two files to complement it:
kernel_arch_data.h and kernel_arch_func.h. The first one contains at
least the struct _thread_arch and struct _kernel_arch data structures,
as well as the struct _callee_saved and struct _caller_saved register
layouts. The second file contains anything that needs what is provided
by the common stuff in kernel_structs.h. Those two files are only meant
to be included in kernel_structs.h in very specific locations.

The thread data structure has been separated into three major parts:
common struct _thread_base and struct k_thread, and arch-specific struct
_thread_arch. The first and third ones are included in the second.

The struct s_NANO data structure has been split into two: common struct
_kernel and arch-specific struct _kernel_arch. The latter is included in
the former.

Offsets files have also changed: nano_offsets.h has been renamed
kernel_offsets.h and is still included by the arch-specific offsets.c.
Also, since the thread and kernel data structures are now made of
sub-structures, offsets have to be added to make up the full offset.
Some of these additions have been consolidated in shorter symbols,
available from kernel/unified/include/offsets_short.h, which includes an
arch-specific offsets_arch_short.h. Most of the code include
offsets_short.h now instead of offsets.h.

Change-Id: I084645cb7e6db8db69aeaaf162963fe157045d5a
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-11-12 07:04:52 -05:00
Benjamin Walsh
779794cdbf build: add -I$(srctree)/kernel/unified/include to path
This will allow making some arch-specfic parts arch-agnostic. Some
definitions that are currently in arch/<arch>/include will end up in
kernel/unified/include.

Change-Id: I4df71090e20a5599e70fb578b36f9211411b56ad
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
2016-11-12 07:04:52 -05:00
Allan Stephens
dd07b4779f kernel: Eliminate use of KERNEL_V2 configuration option
The unified kernel is now the only supported kernel, so this
option is unnessary. Eliminating this option also enables
the removal of some legacy code that is no longer required.

Change-Id: Ibfc339d643c8de16a2ed2009c9b468848b8b4972
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-11-12 12:04:39 +00:00
Johan Hedberg
d9be4ab740 Bluetooth: log: Fix usage of legacy APIs
Use k_current_get() instead of the deprecated sys_thread_self_get()
API.

Change-Id: I4ddb45f299373237690b2f4ca614e7fd3b6c0c36
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-11-12 12:50:04 +02:00
Johan Hedberg
488f72dd80 drivers: console: Fix compilation error in uart_console.c
Fix compilation error when CONFIG_USB_UART_CONSOLE is not enabled:

drivers/console/uart_console.c: In function 'uart_console_init':
drivers/console/uart_console.c:497:12: error: unused variable 'dtr' [-Werror=unused-variable]
  uint32_t  dtr = 0;

Change-Id: I592724150f86199f6a57354c3246197db2ac7a01
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-11-12 12:49:53 +02:00
Daniel Thompson
560afde9c3 build: Document outputexports
In addition to providing documentaton, we also modify the static_lib
example to use outputexports instead of the double-include
Makefile.toolchain trick. For this to work well we need to fix a tiny
bug in the dependency handling in Makefile.inc.

Change-Id: I6571bc681bc34155f37cff1eccc2ea12ed52ef07
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2016-11-12 02:08:08 +00:00
Jithu Joseph
2589d8b815 samples : usb: sample to demo USB UART console output
Sample to show the USB UART console output.

Jira : ZEP-775

Change-Id: I70220daf8e63a0847b10cc094665ef6a4bc38907
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
2016-11-12 01:39:30 +00:00
Jithu Joseph
fca0add22b console : usb: USB UART console output support
Add support for console output via the USB UART.
Note that console input via the USB UART doesnt work.

Adds a simulated poll method for UART interface exposed by USB.

Jira : ZEP-775

Change-Id: I357827ea52c027eb000baed80225f422df1f3358
Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
2016-11-12 01:39:30 +00:00
Baohong Liu
a282872c78 drivers: spi_flash: add erase boundary check and correct an error
Add spi flash erase boundary check. The erase boundary must be
4K-aligned. So, the flash chip will round down an non-4K aligned
address to the nearest 4K boundary automatically. As a result of
this, the erase area will start from a different address (if the
API caller specifies an non-4K alighed address), even though the
size of the erased area is the same as what is specified by the
API caller. Let's add a boundary check to make sure the starting
address (from the API caller) is 4K aligned.

Correct an error in the highest address check. Because of the
error, the erase api call will fail if the flash's highest
address byte is involved.

Jira: ZEP-1277 ZEP-1278

Change-Id: I8b6be57cc8f636f94e5fe67d5a492841a8555005
Signed-off-by: Baohong Liu <baohong.liu@intel.com>
2016-11-12 01:37:00 +00:00
Jon Moeller
8358468fed ext qmsi: Add config support and kernel events for enabling SoCWatch
tests: power_states app updated to support SoCWatch collection

Add CONFIG_SOC_WATCH option for enabling the SoCWatch
 QMSI driver and associated instrumentation hooks.

Bug fix for soc_watch.c to use local irq_lock/unlock
 This will be put into QMSI as well.

JIRA: ZEP-1121

Change-Id: I0514324e81ca02c1d01ffc2d6cf4d31aee491544
Signed-off-by: Jon Moeller <jon.moeller@intel.com>
2016-11-12 01:36:49 +00:00
Anas Nashif
ff23cb58a8 build: support pre-built host tools
Right now the build system builds the host tools over and over again, in some
environments especially when running in an IDE on windows for example,
this is not desired and a set of pre-built host tools should be used.

Provide an option to use pre-built tools instead of building them
from source.

To use, set PREBUILT_HOST_TOOLS to the path where all pre-built host tools
are hosted. To get a prebuilt version of the host tools, build without the
variable set and copy the generated host binaries from outdir. The following
tools are supported:

* conf
* fixdep
* gen_idt
* gen_offset_header

Jira: ZEP-237
Change-Id: Iea505bfd0b50f851ee2781b5117bb6085ab20157
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-12 00:34:03 +00:00
Iván Briano
b190bd4da2 adc_qmsi_ss: Add power management support to driver
Add the device_ctrl hook to the ADC driver of the Sensor Subsystem,
using the QMSI APIs to save and restore the driver's context.

Jira: ZEP-667

Change-Id: I8b89a875d8185cc4db3c4bfc30ef0f39c6589df1
Signed-off-by: Iván Briano <ivan.briano@intel.com>
2016-11-11 23:33:21 +00:00
JuanX Solano Menacho
a5fce7aa11 spi_qmsi_ss: Use qm_ss_spi_save/restore_context APIs
This commit updates the spi_qmsi_ss driver by adding save/restore
context functionality for power management, using the corresponsing
QMSI APIs.

Jira: ZEP-664

Change-Id: I9e62729f91c4808eb557d8a64c0f10955f5456f3
Signed-off-by: JuanX Solano Menacho <juanx.solano.menacho@intel.com>
2016-11-11 23:33:21 +00:00
JuanX Solano Menacho
b4b612f1e4 i2c_qmsi_ss: Use qm_ss_i2c_save/restore_context APIs
This commit updates the i2c_qmsi_ss driver by adding save/restore
context functionality for power management, using the corresponsing
QMSI APIs.

Jira: ZEP-666

Change-Id: I36fb18b52edd4dac4c4b6cb98162adbca74800cb
Signed-off-by: JuanX Solano Menacho <juanx.solano.menacho@intel.com>
2016-11-11 23:33:20 +00:00
JuanX Solano Menacho
866d9c9c2d gpio_qmsi_ss: Use qm_ss_gpio_save/restore_context APIs
This commit updates the gpio_qmsi_ss driver by adding save/restore
context functionality for power management, using the corresponsing
QMSI APIs.

Jira: ZEP-665

Change-Id: I5d8b6050f5b099678b7e6d9144907ea2ce2dda4b
Signed-off-by: JuanX Solano Menacho <juanx.solano.menacho@intel.com>
2016-11-11 23:33:19 +00:00
Allan Stephens
da82722534 doc: Minor corrections to kernel API documentation
Addresses a range of issues affecting the Kernel Primer or
the API Guide generated from doxygen tags.

* Ensures mailbox examples use kernel APIs correctly.
  (Fix for ZEP-1262, as well as other errors).

* Ensures memory alignment limitations for memory slabs
  are correctly described. (Fix for ZEP-1265.)

* Ensures memory alignment limitations for memory pools
  are more clearly described. Also fixes a typo in a
  memory pool example.

* Ensures memory alignment limitations for message
  queues are more clearly described.

* Fixes references to a number of kernel configuration
  options that were omitted or incorrectly formatted.

* Fixes a typo in an example of thread spawning.

Change-Id: I395186f333490b1e0c4223b87c0fe7136548770f
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-11-11 22:13:32 +00:00
Allan Stephens
add6e00ac7 doc: Add workqueue information to Kernel Primer
Change-Id: I1e694dafc11f55ea4f944571ec960eee8189c703
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-11-11 22:13:31 +00:00
Allan Stephens
3cd702010f kernel: Fix bug in dynamic alert initialization
k_alert_init() needs to set the "flags" field of its associated
work item to zero, indicating that the work item has not yet
been submitted to the system workqueue. Using the standard work
item initializer macro ensures this is done correctly.

Change-Id: I0001a5920f20fb1d8dc182191e6a549c5bf89be5
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2016-11-11 22:13:30 +00:00
Anas Nashif
dd6f9ca9de checkpatch: ignore CONST_STRUCT warnings
Ignore for now and until we make this feature of checkpatch work with
zephyr in a more optimal way.

Change-Id: I9d08980994416a291f3143e3a22f8a2036ff2f8a
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-11 22:12:22 +00:00
Adam Podogrocki
726af91d3a stm32cube: Add Zephyr build system files for stm32f3 series
Change-Id: I5c2de9d5814644855ed4a691fa1712ebd294ca64
Signed-off-by: Adam Podogrocki <adam.podogrocki@rndity.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-11 22:12:14 +00:00
Anas Nashif
336e82bee8 tests: fix filter for cortex-m3/m4
This test does not work for cortex-m0+ yet, so make
it run only on m3/m4 for now.

Change-Id: I0a90335d264cf88f3a62057860d6f129085c558f
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-11 21:37:52 +00:00
Chuck Jordan
73c5b2861e arc: trap handler should always check IRQ_ACT
Regardless of the number of interrupt priorities
supported, the exit of the trap handler can check
AUX_IRQ_ACT to see if it interrupted a FIRQ or IRQ.

Change-Id: I0b84d8298d3e6e437c934c01db4535fa8fe29458
Signed-off-by: Chuck Jordan <cjordan@synopsys.com>
2016-11-11 21:37:18 +00:00
Anas Nashif
3fe2575f0d drivers: sensors: use unified kernel threads
convert all sensor drivers to use threads and the unified kernel API and
remove all legacy APIs.

Change-Id: Ica43ea74ecbbf85273f718f182c413a9dcd8abc6
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-11 21:00:19 +00:00
Anas Nashif
8910c228a2 sensors: use unified kernel APIs for kernel objects
move both semaphores and nano_work objects to unified kernel APIs.

Change-Id: Icca8a091063544c451e47201cd8e956b95010513
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-11-11 21:00:19 +00:00
Ramesh Thomas
24f94ca49e quark-se: power_mgmt: Add a optional deep sleep resume handler
Some arduino 101 boards have old boot loader without context
restore boot flow feature. This handler will allow doing deep sleep
in those boards by jumping to the context restore code. This will
be disabled by default and can be optionally enabled by user.

Jira: ZEP-1258
Change-Id: I92e70550fd92c1cac42b3039d667fb0be8cf5bce
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
2016-11-11 20:41:52 +00:00
Ramesh Thomas
8367056efa power_mgmt: Rename _sys_soc_resume notification disabling API
The API to disable _sys_soc_resume notification is currently
called _sys_soc_disable_wake_event_notification. This is
misleading because it is possible that the ISR from which
_sys_soc_resume is called could be from a different interrupt
with higher priority that happened before interrupts were
enabled. More accurately, it is a notification of exit from
kernel idling after pm operations.

Jira: ZEP-1271
Change-Id: I83747f2cacac1bc17f135d12f4aa4478970fc02d
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
2016-11-11 20:40:54 +00:00
Ramesh Thomas
a3dc53f2a6 power_mgmt: Do not notify deep sleep if bootloader does context restore
Some bootloaders have power management support to restoer context
upon resume from deep sleep. In such cases, the OS startup code
should call the notification hook. Create Kconfig flags to configure
this option.

Jira: 1257
Change-Id: I9f40c5fa077c2f17dc8e9f11604c3ed17e549ed5
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
2016-11-11 20:40:53 +00:00
Ramesh Thomas
c0cd7acf34 power_mgmt: Simplify _sys_soc_resume notification
_sys_soc_resume hook is over loaded to handle to different
scenarios. It is primarily called to notify exit of kernel idling
after PM operations. It is also used to notify exit from deep sleep.
This is very confusing and also makes the implementation of the
hook function very difficult because of very different conditions
involved in the 2 different use cases. Further, users may not require
either or both use cases depending of their custom boot flow and
power state handling. To simplify, create a separate hook for the
purpose of deep sleep exit notification. Use the existing one to
only notify kernel idling exit after PM operations.

Jira: ZEP-1256
Change-Id: I96350199a0fd37f16590c8ee5302a94a3d71b8ba
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
2016-11-11 20:40:52 +00:00
Vincenzo Frascino
1d2fcc2254 board_beetle: Add support for ARM V2M Beetle Board
Add board support for ARM V2M Beetle platform.

ARM V2M Beetle board is build around the ARM Beetle Cortex-M3
based processor.

The support has been tested in nanokernel mode with the bringup
application that will be pushed with a future patch.

Jira: ZEP-1245
Change-Id: Ib05a40c072f10149e692283177387cf2cfe32f66
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@linaro.org>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2016-11-11 20:39:54 +00:00
Vincenzo Frascino
bb1818a535 serial: Add driver for CMSDK (Cortex-M System Design Kit) APB UART
Add driver for CMSDK APB UART ports. The driver implements RX and TX
functionalities. Data transmission is implemented using polling and
interrupts. The driver default configuration for the port is to use
8bit data transmission, 1 stop bit, no parity control.

The driver exposes a public uart driver API and allows to register up
to five UART devices: from 'UART_0' to 'UART_4'. The driver performs
the required pinmux, the clock control configuration is left to the
platform.

The driver has been verified to work with the Hello World sample
application on a Beetle Board.

Jira: ZEP-1245
Change-Id: I5baf78b7659aae2a574d8e66205e6fd5eb579133
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@linaro.org>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2016-11-11 20:39:54 +00:00
Vincenzo Frascino
0e01c0c4a2 pinmux: Add support for "runtime" pinmux on ARM V2M Beetle
This patch adds the support for "runtime" pinmux on ARM V2M Beetle.

The GPIO controllers 2 and 3 are reserved and therefore not exposed
by this driver.

Jira: ZEP-1245
Change-Id: I9637f1a0d2bf6a757e1942160fb170165ffe6a0c
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@linaro.org>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2016-11-11 20:39:53 +00:00