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* ec: Add a chipset reset hookDuncan Laurie2016-01-251-0/+2
| | | | | | | | | | | | | | | | | | | | | | There are hooks for chipset power sequencing but not one to indicate that the system has reset at runtime. Add a hook for this and implement for lm4 and mec1322. The hook is notified on any platform reset, including those that happen on the way into S3/S5 state. There is a new config variable added because the hook is notified in the interrupt handler and needs a deferrable function that needs to be added to every board. BUG=chrome-os-partner:46049 BRANCH=none TEST=tested on glados and samus Change-Id: I3be639414e18586344e0ec84632a50dfc1df586b Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/315221 Commit-Ready: Aaron Durbin <adurbin@chromium.org> Tested-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
* add the 'extension' command frameworkVadim Bendebury2015-11-171-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces a facility which would allow to compile in callbacks for arbitrary commands passed over various communication protocols. Typically this will be used for testing, when various test commands are multiplexed over an existing protocol. The callbacks are associated with 16 bit command codes. On input the callback receives a buffer, containing the command's argument, the size of the command argument and the maximum size of the buffer. On output the callback stores processing result in the same buffer and updates the size to the actual amount of returned data. Callback descriptors are stored in a dedicated read only section which is scanned by extension_route_command() to find a callback associated with a certain command code. A console channel is also being introduced to allow controlling console output generated by extension commands handlers. BRANCH=none BUG=chrome-os-partner:47524 TEST=none yet Change-Id: I8ae16a78ca7d72176a5e7f74dd7a232078e7c06c Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/312586 Reviewed-by: Randall Spangler <rspangler@chromium.org>
* common: export the linker generated addresses of image sectionsVadim Bendebury2015-11-101-0/+5
| | | | | | | | | | | | | | | The values are there, we just need to be able to access them from the code to be able to calculate how much of the flash space needs to be made accessible for the image to run. BRANCH=none BUG=none TEST=used by later patches Change-Id: I4eb59525a50177cc7cc725871c3eab2ff390667b Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/311319 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
* host: mock i2c_xferGwendal Grignou2015-09-161-14/+2
| | | | | | | | | | | | | | | Instead of mocking i2c_read8/16/32, mock i2c_xfer. We can now test code that call i2c_xfer directly and test common/i2c.c BRANCH=samus, ryu BUG=chrome-os-partner:45223 TEST=Unit tests pass. Change-Id: Iaa772515c40cf55d2050d0019e2062d63278adc0 Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/299768 Reviewed-by: Alec Berg <alecaberg@chromium.org>
* common: Add i2c 32bit read/writeGwendal Grignou2015-06-171-0/+4
| | | | | | | | | | | | | Add functions and associated test to read/write a 32 bit register BRANCH=smaug TEST=Test on smaug with bm160 driver BUG=chromium:39900 Change-Id: Ieff24b65f1eb8610874fe13c4a8fadf583a218cb Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/277535 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* USB: Fix memcpy routinesAnton Staaf2015-04-131-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The memcpy like routines for moving to and from usb packet RAM couldn't deal with all unaligned uses, this fixes their behavior. In particular, a previous caller might assume that the packet RAM addresses were contiguous and attempt to break up a call into two separate chunks (as the queue insertion/removal code does). But this can lead to invalid pointers passed to these memcpy routines. A much cleaner solution is to make the packet RAM address space contiguous. To do so the memcpy routines take packet RAM addresses instead of AHB address space mapped addresses and __usb_ram_start needed to change to be of type usb_uint so that pointer arithmatic on it worked correctly on all platforms, this also allowed the usb_sram_addr macro to be simplified. Signed-off-by: Anton Staaf <robotboy@chromium.org> BRANCH=None BUG=None TEST=make buildall -j Verify that USB still works on Ryu and discovery-stm32f072 Change-Id: I479461f07a3203f1e6e0cf9705f512a5a43c4646 Reviewed-on: https://chromium-review.googlesource.com/264764 Trybot-Ready: Anton Staaf <robotboy@chromium.org> Tested-by: Anton Staaf <robotboy@chromium.org> Reviewed-by: Anton Staaf <robotboy@chromium.org> Commit-Queue: Anton Staaf <robotboy@chromium.org>
* hooks: add hook for battery state of charge changeAlec Berg2015-02-031-0/+2
| | | | | | | | | | | | | | Add hook for battery state of charge change. Hook will be used to cleanup the samus charging workarounds to follow. BUG=none BRANCH=samus TEST=make -j buildall Change-Id: I99cbb8264783802139cac689804b056623063695 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/245252 Reviewed-by: Shawn N <shawnn@chromium.org>
* MKBP event signalling implementationVic Yang2014-10-241-0/+5
| | | | | | | | | | | | | | | | | | | This implements a new API for EC modules to define MKBP event sources and send MKBP event to the AP. Also, a new host command EC_CMD_GET_NEXT_EVENT is added for the AP to query the pending MKBP events. Each event type may have custom event data sent along with the event. BRANCH=None BUG=chrome-os-partner:33194 TEST=Enable MKBP event on Ryu. Set a host event from EC console, run 'ectool nextevent', and see MKBP event 0x01 (HOST_EVENT) and the set host event. Signed-off-by: Vic Yang <victoryang@chromium.org> Change-Id: I28a1b7e826bcc102bbe39016c9bb3e37d125664c Reviewed-on: https://chromium-review.googlesource.com/224905 Reviewed-by: Randall Spangler <rspangler@chromium.org>
* stm32: add USB driverVincent Palatin2014-06-181-0/+5
| | | | | | | | | | | | | | | | | | Enough USB support to be able to enumerate the device and use bulk or interrupt endpoints. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=chrome-os-partner:28295 TEST=with the following USB console CL, connect a Fruitpie through USB and use its console over USB. Change-Id: I37b7f3b6a754cb82ab5f940ea20122d2e16b3b5b Reviewed-on: https://chromium-review.googlesource.com/193983 Tested-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Todd Broch <tbroch@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
* ite: Port OS layer to Andestar v3m architectureVincent Palatin2013-12-101-0/+1
| | | | | | | | | | | | | | | | | This will be used to support ITE IT8380 chip which contains an Andes N801 core. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=chrome-os-partner:23574 TEST=make BOARD=it8380dev Change-Id: I91f9380c51c7712aa6a6418223a11551ab0091ce Reviewed-on: https://chromium-review.googlesource.com/175480 Reviewed-by: Randall Spangler <rspangler@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org>
* Fake I2C device support for emulatorVic Yang2013-09-171-0/+13
| | | | | | | | | | | | | | | | | To test drivers, we need a way to fake I2C periphrals. With this CL, a fake peripheral can be done by declaring its own I2C read/write functions. The fake I2C peripherals may return EC_ERROR_INVAL to indicate it's not responding. The emulator I2C read/write call scans through all registered I2C peripherals and uses the first response. BUG=chrome-os-partner:19235 TEST=Pass sbs_charging test with the next CL. BRANCH=None Change-Id: I9380dc40e147781b42e09eb6979c864bbd9f2ac4 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/169511 Reviewed-by: Randall Spangler <rspangler@chromium.org>
* stm32l: Add a "PRE_FREQ_CHANGE" hook to allow other code to prepareDoug Anderson2013-08-291-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before this change drivers had no way of knowing that a frequency change was coming. This could cause problems for some drivers (like i2c) that need to make sure that a transaction isn't happening while a frequency change is happening. The PRE_FREQ_CHANGE archiecture is very simple here and we don't allow any way to cancel it. At the moment, we guarantee: - We won't call PRE_FREQ_CHANGE with interrupts disabled, so acquiring locks / sleeping is OK. - We'll call the actual HOOK_FREQ_CHANGE after the PRE_FREQ_CHANGE. PRE_FREQ_CHANGE and HOOK_FREQ_CHANGE should not use deferred function calls. BRANCH=pit BUG=chrome-os-partner:22093 TEST=With all patches together: - on AP: suspend_stress_test - on EC: battery 10000 50 Change-Id: I2731a3e85d41e749fa571fdb74b5c9b12043cda6 Signed-off-by: Doug Anderson <dianders@chromium.org> Previous-Reviewed-on: https://chromium-review.googlesource.com/167101 (cherry picked from commit d84c0dbbf7c5a72917a820e292ecfdfa698d0fb9) Reviewed-on: https://chromium-review.googlesource.com/167148 Reviewed-by: Randall Spangler <rspangler@chromium.org>
* Add hook for changes in the charge state machineDave Parker2013-08-011-0/+2
| | | | | | | | | | | BUG=chrome-os-partner:20145 BRANCH=falco,peppy TEST=Manual. Tested with charging timeout logic. Change-Id: Iab1c9746dcab5820fcdeb3e0d94bfcb0c47e57f2 Signed-off-by: Dave Parker <dparker@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/63537 Reviewed-by: Randall Spangler <rspangler@chromium.org>
* Pthread-based emulator for unit testingstabilize-4100.38.BVic Yang2013-05-071-0/+63
This is the first version of pthread-based RTOS emulator. With this, we will be able to test high-level modules entirely on the host machine. BUG=chrome-os-partner:19325 TEST='make runtests' and see tests passing. BRANCH=None Change-Id: I1f5fcd76aa84bdb46c7d35c5e60ae5d92fd3a319 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/49954 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
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