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In the interest of making long-term branch maintenance incur as little
technical debt on us as possible, we should not maintain any files on
the branch we are not actually using.
This has the added effect of making it extremely clear when merging CLs
from the main branch when changes have the possibility to affect us.
The follow-on CL adds a convenience script to actually pull updates from
the main branch and generate a CL for the update.
BUG=b:204206272
BRANCH=ish
TEST=make BOARD=arcada_ish && make BOARD=drallion_ish
Signed-off-by: Jack Rosenthal <jrosenth@chromium.org>
Change-Id: I17e4694c38219b5a0823e0a3e55a28d1348f4b18
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3262038
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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This CL extends CONFIG_I2C_XFER_LARGE_READ to also support large
(greater than 255 bytes) write.
Related config name is also updated to reflect the behavior change,
BUG=b:169651794
TEST=flash fw successfully on Zed.
BRANCH=none
Signed-off-by: Ting Shen <phoenixshen@google.com>
Change-Id: Icb889013da01f48708cd0227207561b8186bac63
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2537412
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
Tested-by: Ting Shen <phoenixshen@chromium.org>
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According to programming guide, the SDA signal (200kHz) should have its
rising edge in the middle of the SCL (100kHz) transition. Since the
timers are starting at the same time, inverting the SDA timer will
achieve this.
This will affect both servo_micro and c2d2
BRANCH=servo
BUG=b:153393490
TEST=verify with scope on C2D2 is SDA/SCL signals match programming
guide
Signed-off-by: Jett Rink <jettrink@chromium.org>
Change-Id: Ibda89a30f77d39c633f491840b82f7b1dee552c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2142561
Reviewed-by: Matthew Blecker <matthewb@chromium.org>
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Add necessary console command to allow C2D2 to pass through i2c bus for
ec and ap. Also hook into common ite programming mode code.
BRANCH=servo
BUG=b:148610186,b:147381671
TEST=flash ampton with C2D2 adapter
Change-Id: I1d9b20684b45ff0d101b9cfff8b0b0a85e6c0c70
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2064594
Reviewed-by: David Schneider <dnschneid@chromium.org>
Reviewed-by: Matthew Blecker <matthewb@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
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In preparation for servo_micro and c2d2 to sharing the ite, i2c flashing
code, move it to a stm specify common file. It is STM specific because
it explicitly uses STM registers to accomplish the non-compliant i2c
waveforms needed to put the ITE EC into flash mode.
BRANCH=servo
BUG=b:148610186,b:79684405
TEST=flash ampton with servo_micro using this code
Change-Id: Ia0f3f944df2f8a8ad47ea5a62c5f0edae2c71943
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2064592
Reviewed-by: Diana Z <dzigterman@chromium.org>
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