| Commit message (Collapse) | Author | Age | Files | Lines |
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Currently, servoV4 and servoV4p1 don't apply terminations to SBU when
searching for a DUT. This means SBU can float which can break the SBU
voltage detection. Technically, the DUT should only need to pull up D+
and can float D- since it is a FS USB2 device when in CCD mode.
Change the detection to connect SBU to the USB2 hub on servoV4/4p1. The
USB2 hub will apply 15k pulldowns to the USB lines, which will pull SBU
down and fix detection in the case where the DUT floats SBU.
BUG=b:161762948, b:150886157, b:151487379
TEST=make BOARD=servo_v4; make BOARD=servo_v4p1
TEST=check that CCD works on DUT without pulldown resistors on SBU
BRANCH=none
Change-Id: I9b6f620617fb0e270e35804704111afd3c606a3b
Signed-off-by: Eric Herrmann <eherrmann@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2352439
Reviewed-by: Wai-Hong Tam <waihong@google.com>
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Optimize the duration when switching the USB PD path to TX,
in order to meet the PD spec tStartDive timing between when we start
driving the line and the start of the preamble waveform.
Try to decrease the number of operations on the GPIO registers
which might be clocked slowly in order to achieve this, this includes
abandoning the high level GPIO functions and writing directly the useful
GPIO registers and knowing in advance between which modes we are
switching.
A few constant values in the GPIO registers for the TX path are now
written in the pd_tx_init function. The current version uses the regular
GPIO functions *but* it will glitch these GPIOs, we might want to switch
to a lower level implementation and avoid the glitch.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=b:155202697
BRANCH=none
TEST=make BOARD=servo_v4p1
TEST=probe TX_DATA on the scope and measure the duration before the
preamble
Change-Id: I84c8321ed9be045087e228a74f6e0ddb3f677d76
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2346804
Reviewed-by: Nitin Kolluru <nkolluru@google.com>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Tested-by: Nitin Kolluru <nkolluru@google.com>
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Increased the stack sizes in servo_V4's console and
power delivery tasks.
The report from stack analysis:
make BOARD=servo_v4 SECTION=RW analyzestack
Task: HOOKS, Max size: 336 (112 + 224), Allocated size: 768
Task: CONSOLE, Max size: 664 (440 + 224), Allocated size: 768
Task: PD_C0, Max size: 1136 (912 + 224), Allocated size: 1184
Task: PD_C1, Max size: 1136 (912 + 224), Allocated size: 1184
BUG=b:156476618
BRANCH=servo
TEST=make -j BOARD=servo_v4
TESt=make BOARD=servo_v4 SECTION=RW analyzestack
Signed-off-by: Brian Nemec <bnemec@chromium.org>
Change-Id: Id313b02616441e4cc438e76ec01bf84c598bd4e6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2271011
Reviewed-by: Ruben Rodriguez Buchillon <coconutruben@chromium.org>
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Add a transmit type parameter to functions involved in mode entry; also
add such a parameter to various functions calling those functions. For
DisplayPort-specific definitions or calls, specify SOP; we do not
currently support DisplayPort mode for cable plugs. For TCPMv1-specific
code, specify SOP. TCPMv1 generally assumes that the discovery/mode
structures are 1-dimensional, as they were previously, and changing that
is outside the scope of this CL.
BUG=b:155890173
TEST=Enter DP mode on Volteer with TCPMv2
TEST=Enter DP mode on Volteer with TCPMv1
TEST=Enter TBT mode on Volteer with TCPMV1
BRANCH=none
Change-Id: I8afc75b3f3be8939c4645058ac4a31f24c88fb9e
Signed-off-by: Abe Levkoy <alevkoy@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2229279
Reviewed-by: Diana Z <dzigterman@chromium.org>
Commit-Queue: Diana Z <dzigterman@chromium.org>
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Currently, when CHG port's PD disconnected from the servo-v4,
it still holds the SourceCap information. This CL clears the
SourceCap when the PD disconnection event is found.
BUG=b:157261654
TEST=plug charger:
> ada_srccaps
0: 5000mV/3000mA
1: 9000mV/3000mA
2: 15000mV/3000mA
3: 20000mV/2250mA
unplug charger:
> ada_srccaps # print nothing.
BRANCH=servo_v4
Change-Id: Ia91c97d6baa5e796c909893dac9abe0e6bc7ebad
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2215393
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Wai-Hong Tam <waihong@google.com>
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Define PDO selection logic for SourceCap PDO collection.
On a 45W PD charger, it might provide PDOs with 15V/3A and 20V/2.25A.
In this case, pd_find_pdo_index() would always prefer 15V/3A rather than
20V/2.25A and such that the 20V PDO will be disappeared when servo-v4
advertise the SrcCap. We define PD_PREFER_HIGH_VOLTAGE so that all the
PDOs could be advertised by servo-v4.
BUG=b:147021699
TEST=plug treeya 45W charger, and see servo-v4 advertise 20V/2.25A PDO
BRANCH=servo-v4
Change-Id: I3bd071161679bae98be17fd6b53a24e258d9c15c
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2215391
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Wai-Hong Tam <waihong@google.com>
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CONFIG_ name space is reserved for configuration macros, which all
live in config.h.
This patch renames the regular macros, which happened to be prefixed
with CONFIG_, to avoid the presubmit errors.
BUG=b/155996358
BRANCH=none
TEST=buildall
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Change-Id: Ic87a23a34c7d36d65f210dd51fed109443ef71ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2189174
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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New console commands, like:
> usbc_action dp hpd ext # use the external HPD, no overridden
> usbc_action dp hpd h # override HPD to high, IRQ pass-through
> usbc_action dp hpd l # override HPD to low, no IRQ pass-through
> usbc_action dp hpd irq # send HPD IRQ
BRANCH=servo
BUG=b:153647984
TEST=Tried the new console commands.
Change-Id: I197efd1d03d906b99d7b82ad151865da44e321ea
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2143937
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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New console commands, like:
> usbc_action dp disable # disable DP alt-mode
> usbc_action dp enable # enable DP alt-mode
> usbc_action dp pins cde # support pin assignments C, D, and E
> usbc_action dp pins cd # support pin assignments C and D
> usbc_action dp pins d # support pin assignment D
> usbc_action dp mf 1 # enable multi-function preference
> usbc_action dp plug 1 # it is a plug
> usbc_action dp plug 0 # it is a receptacle
BRANCH=servo
BUG=b:153647984
TEST=Tried the new console commands.
Change-Id: I36744e772999f67f10189bc80dcec9f2b37123c2
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2143936
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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It monitors the HPD coming from the external monitor and generates the
PD message to signal DUT for HPD high/low or HPD IRQ event.
This monitoring logic is only enabled when CCD mode disabled.
BRANCH=servo
BUG=b:137219603
TEST=Configured to disable dts-mode, plugged a monitor, plugged the
Type-C cable to DUT, tried pluging and unplugging the monitor working
well.
Change-Id: I6b3f9c635dc8d5907a16c3bd9cf203da94e64f7b
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1868925
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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This is the initial change to support DP alt-mode, with some TODO
items to make some settings more configurable for testing.
DP alt-mode is only enabled when
* servo v4 is configured dts-mode disabled, like through the
command 'dut-control servo_v4_dts_mode:off', and
* a monitor is plugged to the mini-DP port (for minimizing the impact
to PD FAFT).
The realtime HPD monitoring is the following patch.
There is a bug (b/140900633) in servo v4 hardware that only 2-lane DP
works.
BRANCH=servo
BUG=b:137219603
TEST=Configured to disable dts-mode, plugged the DP cable to monitor,
plugged the Type-C cable to DUT, the external monitor worked.
Change-Id: I129754afe1b13fe349d472de4ee6bcec3fd8b854
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1868924
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Support to print the PD-comm information for FAFT.
BRANCH=servo
BUG=b:150185455
TEST=ensure cc print the correct output at SNK/SRC roles
Cq-Depend: chromium:2072543, chromium:2073423
Change-Id: Ia8c8a373eaab31a13f70e3422bf6dafcc27f92f1
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2072567
Reviewed-by: Wai-Hong Tam <waihong@google.com>
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Single source the VDD rail sagging reset interrupt
Add VDD detection to C2D2 as well.
BRANCH=servo
BUG=none
TEST=builds
Change-Id: Iceac7d9fa7a9bde5a3c23c36e63b6d635d8812a3
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2064593
Reviewed-by: Diana Z <dzigterman@chromium.org>
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Add the command for a new servod control.
FAFT tests can be aware of the capability of the adapter on servo_v4.
BUG=b:140256624
BRANCH=servo_v4
TEST=ensure the command print all the SrcCap
> ada_srccaps
0: 5000mV/3000mA
1: 9000mV/3000mA
2: 10000mV/3000mA
3: 12000mV/3000mA
4: 15000mV/3000mA
5: 20000mV/3000mA
Change-Id: I5d08240f87838267464a38fa09ab2ee59c7d4edf
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2055267
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
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usbc_action support new subcommand chg which limits the max voltage
of PDOs.
Also, serov_v4 provides more PDOs to the DUT if the adapter supports it,
besides 5, 12, 20V.
BRANCH=servo_v4
BUG=b:140256624
TEST=see servo_v4 provides various kinds of SrcCap to DUT
Change-Id: Ie33a4fcffe7dc2acbfc65e725c46e62a553f98c1
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2055266
Reviewed-by: Wai-Hong Tam <waihong@google.com>
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The current use of the PD Config Flags are a bit confusing and
has been changed to the following:
The CONFIG_USB_POWER_DELIVERY flag is used to enable and disable
the TCPMv1 and TCPMv2 stacks. And when CONFIG_USB_POWER_DELIVERY
is enabled, one of the following must be enabled:
CONFIG_USB_PD_TCPMV1 - legacy power delivery state machine
CONFIG_USB_PD_TCPMV2 - current power delivery state machine
BUG=b:149993808
BRANCH=none
TEST=make -j buildall
Change-Id: Ie3f8615a75b15b4f1c703f57f3db9e152a471238
Signed-off-by: Sam Hurst <shurst@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2068519
Reviewed-by: Diana Z <dzigterman@chromium.org>
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Adds a field to the persistent storage to store the
MAC address of the device. This is enabled on ServoV4
in order to store the MAC address for the integrated
ethernet port. Added a console command to set and load
this value.
BUG=b:149506580
TEST=Verified setting and loading the MAC address using:
'macaddr set 12:34:56:78:90:ab' and 'macaddr' or 'macaddr load'
Verified that MAC addresses over 19 characters long return
an error response and not update the MAC.
Verified no set serial number will return the uninitialized string.
Verified that the MAC address can be updated independently of serialno
Verified that the persist_state fields restore during firmware updates
Change-Id: I8425ce9e13322e99a4f59df444ea0dc73821aa6b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2063330
Tested-by: Brian Nemec <bnemec@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Brian Nemec <bnemec@chromium.org>
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Enables the programmable voltage detector (PVD) interrupt in
ServoMicro. This interrupt fires when the supply voltage drops
from the expected 3.3V to under 2.3V after power on. This gives
several hundred microseconds of time for the device to respond
to the power reduction.
In order to ensure that the ServoMicro does not enter a
non-responsive state, it triggers a reboot of the system to
restore it to a good configuration.
BRANCH=servo
BUG=chromium:1023715
TEST=Configured GPIO output to trigger on pvd_interrupt()
and verified the interrupt fires during the following
situations using Saleae analyzer:
* USB Power removed from working device
* Ramping supply voltage from 1.5V to 5V with a DC supply
* Repoducing failure condition from crbug/1016051
1 Connect ServoMicro to Cyan board
2 dut-control power_state:on
3 dut-control fw_wp_vref:pp3300
4 dut-control power_state:off
5 GPIO toggles and system reset occurs
Change-Id: I721f48ab84b01d52a5f98747cc9d879ff2876a07
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1911759
Reviewed-by: Ruben Rodriguez Buchillon <coconutruben@chromium.org>
Tested-by: Brian Nemec <bnemec@chromium.org>
Commit-Queue: Brian Nemec <bnemec@chromium.org>
Auto-Submit: Brian Nemec <bnemec@chromium.org>
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This is the second half of b/147290482
Cleaning up to use pd_data_role instead of int
BUG=b:147314832
BRANCH=none
TEST=make buildall -j
Change-Id: I2445b06f5f5469fb1f3a968034a83e3ee792e7c7
Signed-off-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1991845
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Edward Hill <ecgh@chromium.org>
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pd_get_role in the TCPMv1 stack meant pd_get_power_role.
pd_get_role in the TCPMv2 stack meant pd_get_data_role.
This CL will clean that up and make them the correct naming.
pd_get_power_role will also return an enum pd_power_role
type instead of an int.
BUG=b:147290482
BRANCH=none
TEST=make buildall -j
Change-Id: I73ee465401ccd050c2bd151f2fc043a59d95e079
Signed-off-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1991844
Reviewed-by: Jett Rink <jettrink@chromium.org>
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This reverts commit 4fa4101b4b9114c13994326be689d74d36e50e68.
Reason for revert: Link time optimization enabled to free up space on
ToT in CL:1961149 .
Original change's description:
> servo_v4: remove console command on ToT only
>
> Servo v4 is under space pressure on Tot, but the actual branch is okay
> for now. We release from the firmware branch so remove console commands
> on ToT *only*.
>
> BRANCH=none
> BUG=none
> TEST=See ~1500K freed on RO and RW images on ToT.
>
> Change-Id: I8a49db7d4f00b0f5ca4ba4614fe62dccd7f928ee
> Signed-off-by: Jett Rink <jettrink@chromium.org>
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1940775
> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
> Commit-Queue: Keith Short <keithshort@chromium.org>
Bug: none
TEST: Verified ServoV4 flashes successfully, manually
tested connection to servod and dut-control commands.
Change-Id: If9019b320b78f1af859e1e2370b3da8cae50449f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1971440
Tested-by: Brian Nemec <bnemec@chromium.org>
Commit-Queue: Brian Nemec <bnemec@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
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Enables LTO (Link Time Optimization) in order to improve
flash space on ServoV4. Current builds have 48B remaining,
the link time optimization frees up 6kB of space in the flash.
Feature was enabled on ServoMicro and sweetberry.
BRANCH=servo
BUG=b:145512023
TEST=Manually tested flashing process to ensure they updated
both regions, basic communication, and functionality on the
following platforms: ServoV4, ServoMicro, and Sweetberry.
Change-Id: I8f7a0d23478581c54a7379241a0290b897a635ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1961149
Tested-by: Brian Nemec <bnemec@chromium.org>
Commit-Queue: Jett Rink <jettrink@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
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This was changed in PD 2.0 years ago (via ECN authored by our own David
Schneider), but our codebase still refers to BIT 27 of the Fixed PDO as
"Externally powered" instead of "Unconstrained Power".
This will search and replace all instances of "Externally powered" when it
refers to BIT 27, as well as function names, other internal representations
of that property, strings, and comments.
seds:
s/PD_FLAGS_PARTNER_EXTPOWER/PD_FLAGS_PARTNER_UNCONSTR/g
s/partner_extpower/partner_unconstrained/g
s/externally powered/unconstrained/g
Some others too.
Signed-off-by: Benson Leung <bleung@chromium.org>
BUG=chromium:1030990
TEST=Codebase builds clean. No functional change, except for the property shows
up in ectool as "Unconstrained power" now.
Change-Id: I5ececa03f29eb31057be3d0ad5311117093bc6da
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1956147
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Benson Leung <bleung@google.com>
Tested-by: Benson Leung <bleung@google.com>
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There is a board specific usb_pd_policy.c file that contains a lot of
code for handling DisplayPort Alternate mode, Google Firmware Update
Alternate mode, as well as some PD policy functions such as deciding to
Accept or Reject a data role swap or a power role swap. Several boards
simply copy/paste this code from project to project as a lot of this
functionality is not actually board specific.
This commit tries to refactor this by pulling the functions that are not
mainly board specific into common code. The functions are made
overridable such that boards that truly do require a different
implementation may do so.
Additionally, this consolidation changes the policy behaviour for some
boards, but they should be for the better. Some examples include that
data swaps are always allowed if we are a UFP (no system image
requirement), power swaps are allowed to become a sink if we are no
longer dual role (e.g. - in suspend), and DisplayPort Alternate Mode is
not entered if the AP is off.
In order to facilitate this refactor, a couple CONFIG_* options were
introduced:
- CONFIG_USB_PD_DP_HPD_GPIO
/* HPD is sent to the GPU from the EC via a GPIO */
- CONFIG_USB_PD_CUSTOM_VDO
/*
* Define this if a board needs custom SNK and/or SRC PDOs.
*
* The default SRC PDO is a fixed 5V/1.5A with PDO_FIXED_FLAGS indicating
* Dual-Role power, USB Communication Capable, and Dual-Role data.
*
* The default SNK PDOs are:
* - Fixed 5V/500mA with the same PDO_FIXED_FLAGS
* - Variable (non-battery) min 4.75V, max PD_MAX_VOLTAGE_MV,
* operational current PD_MAX_CURRENT_MA,
* - Battery min 4.75V, max PD_MAX_VOLTAGE_MV, operational power
* PD_OPERATING_POWER_MW
*/
BUG=chromium:1021724,b:141458448
BRANCH=<as many as we can that are still supported>
TEST=`make -j buildall`
TEST=Flash a kohaku, verify that DP Alt Mode still works with a variety
of DP peripherals
TEST=Repeat above with a nocturne
TEST=Repeat above with an atlas
Change-Id: I18fd7e22dc77fe1dc6c21c38cd7f1bc53cae86cb
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1949052
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
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Servo v4 is under space pressure on Tot, but the actual branch is okay
for now. We release from the firmware branch so remove console commands
on ToT *only*.
BRANCH=none
BUG=none
TEST=See ~1500K freed on RO and RW images on ToT.
Change-Id: I8a49db7d4f00b0f5ca4ba4614fe62dccd7f928ee
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1940775
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Commit-Queue: Keith Short <keithshort@chromium.org>
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In the DTS mode, servo pulls up CC lines with different Rp values. When
detecting DUT Rd value, servo senses the CC voltage values, and checks it
using some table of voltage thresholds.
The tables assume CC1 is the primary CC and CC2 is the alternative CC.
When servo emulates the flipped CC scenario, should use the correct
colume to check the voltage thresholds.
BRANCH=servo
BUG=b:136014621, b:140876537
TEST=Configed servo to emulate the flipped scenario in dts mode:
> cc srcdts cc2
Verified it detect the correct Rd values in DUT (CC0 and CC1 are 2,
i.e. TYPEC_CC_VOLT_RD):
> tcpc 1 state
Port C1, Ena - CC:1, CC0:2, CC1:2
Alert: 0x00 Mask: 0x007d
Power Status: 0x48 Mask: 0x00
Without this patch, it detected wrong Rd values in DUT (CC0 is 2,
i.e. TYPEC_CC_VOLT_RD, but CC1 is 0, i.e. TYPEC_CC_VOLT_OPEN):
> tcpc 1 state
Port C1, Ena - CC:1, CC0:2, CC1:0
Alert: 0x00 Mask: 0x007d
Power Status: 0x48 Mask: 0x00
Change-Id: Iaf089356230f24f871636956780cb5652fec5c42
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1876800
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
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When the port in SRC DTS mode, it should not perform the polarity
detection. The polarity is predetermined, as a board-specific
setting. In the servo case, the polarity is based on the flags.
This CL changes the protocol layer to check the port in SRC DTS mode
and call the board-specific function board_get_src_dts_polarity()
for the polarity.
BRANCH=servo
BUG=b:140876537
TEST=Configed servo as srcdts and unflipped direction:
> cc srcdts cc2
Verified the power negotiation good and detected the correct polarity:
> pd 1 state
Port C1 CC2, Ena - Role: SRC-UFP State: SRC_READY, Flags: 0x415e
Without this patch, it detected the wrong polarity and the power
negotiation failed:
> pd 1 state
Port C1 CC1, Ena - Role: SRC-DFP State: SRC_DISCOVERY, Flags: 0x10608
Change-Id: I32c5dfffeaeb20a21db1417f3a1c98566b7f5e38
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1891255
Reviewed-by: Jett Rink <jettrink@chromium.org>
Commit-Queue: Sean Abraham <seanabraham@chromium.org>
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Certain SKUs of certain boards have lesser number of USB PD ports than
defined by CONFIG_USB_PD_PORT_COUNT. Hence rename
CONFIG_USB_PD_PORT_COUNT as CONFIG_USB_PD_PORT_MAX_COUNT.
BUG=b:140816510, b:143196487
BRANCH=octopus
TEST=make -j buildall; Boot to ChromeOS
Change-Id: I7c33b27150730a1a3b5813b7b4a72fd24ab73c6a
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1879337
Tested-by: Karthikeyan Ramasubramanian <kramasub@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Commit-Queue: Jett Rink <jettrink@chromium.org>
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The SBU monitoring logic is used for muxing the correct polarity for
CCD. If the DTS-mode is disabled by a user, meaning that CCD is supposed
not being used, the SBU monitoring logic can be disabled.
For DP alt-mode, the SBU lines are used for AUX channel. This SBU
monitoring logic affects the AUX channel, due to the strong pull-up
on the USB D+ line. It should be disabled.
Remove the original calls of ccd_enable(), which is called when
supplying power and detecting DUT Rd/Rd or Rp/Rp. This requires PD
comm. We don't want CCD depends on PD comm.
BRANCH=servo
BUG=b:137219603
TEST=The default role "cc srcdts", CCD works on both phyical polarity.
TEST=Called "cc src", checked GPIO SBU_MUX_EN 0.
Change-Id: I8f2f7bda88426e6097f0f4efd811114b7a1135c3
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1815557
Reviewed-by: Nick Sanders <nsanders@chromium.org>
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No room left in the flash for the ToT firmware. Remove some features to
save space.
BRANCH=servo
BUG=b:1002121
TEST=Built the servo v4 firmware, 560 bytes in flash available.
Change-Id: I26aeea9cad155085bac7a349b6242d1f2958112f
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1795926
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
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Adds Power Delivery to the TypeC state machine as detailed in
Revision 3.0, Version 1.2 of the specification.
This CL passes the PD2.0 compliance tests and has been tested on
several devices. Some areas such as handling Electronically Marked
Cable information, creation of PIDs, and Host commands will be
addressed in later CLs.
BUG=b:130895206
BRANCH=none
TEST=manual
Port 0 on Hatch was used to run this CL, merged with PD functionality,
on the PD2.0 Compliance tester. All tests pass except for a few
physical layer tests. The test report has been added to the bug.
Atlas was verified to work with Apple, Amazon, StarTech, MKDGO and
several other generic docks.
Atlas was verified to work with Google's and Apple's CTVPD.
Signed-off-by: Sam Hurst <shurst@chromium.org>
Change-Id: Ia5e1988b0d81ec4cf9a7175e273197bd5a0865e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1737899
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Tested-by: Jett Rink <jettrink@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
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This CL changes the behavior of no charge-through happens but a user
explicitly sets servo v4 as a source.
It is changed from "sink with PD comm" to "sink without PD comm".
BRANCH=servo
BUG=b:138585164, b:135035317
TEST=Manual as the following console interaction:
(Plug the power cable back to servo v4)
> cc src
> pd 1 state
Port C1 CC1, Ena - Role: SRC-UFP State: SRC_READY, Flags: 0x415e
> cc snk
> pd 1 state
Port C1 CC1, Dis - Role: SNK-UFP State: SNK_DISCOVERY, Flags: 0x0608
> cc pdsnk
> pd 1 state
Port C1 CC1, Ena - Role: SNK-UFP State: SNK_READY, Flags: 0x414e
> cc src
> pd 1 state
Port C1 CC1, Ena - Role: SRC-UFP State: SRC_READY, Flags: 0x415e
(Unplug the power cable from servo v4)
> pd 1 state
Port C1 CC1, Dis - Role: SNK-UFP State: SNK_DISCOVERY, Flags: 0x0608
(Plug the power cable back to servo v4)
> pd 1 state
Port C1 CC1, Ena - Role: SRC-UFP State: SRC_READY, Flags: 0x415e
> cc pdsnk
> pd 1 state
Port C1 CC1, Ena - Role: SNK-UFP State: SNK_READY, Flags: 0x414e
(Unplug the power cable from servo v4)
> pd 1 state
Port C1 CC1, Ena - Role: SNK-UFP State: SNK_READY, Flags: 0x414e
(Plug the power cable back to servo v4)
> pd 1 state
Port C1 CC1, Ena - Role: SNK-UFP State: SNK_READY, Flags: 0x414e
> cc snk
> pd 1 state
Port C1 CC1, Dis - Role: SNK-UFP State: SNK_DISCOVERY, Flags: 0x0608
(Unplug the power cable from servo v4)
> pd 1 state
Port C1 CC1, Dis - Role: SNK-UFP State: SNK_DISCOVERY, Flags: 0x0608
(Plug the power cable back to servo v4)
> pd 1 state
Port C1 CC1, Dis - Role: SNK-UFP State: SNK_DISCOVERY, Flags: 0x0608
Change-Id: Ia4b6f858a4b0e22d81efbff02df4d02f3dc04bc9
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1724933
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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Support an argument pol0/pol1 to the console command to change the CC
polarity. When CC polarity change, apply the Rd/Rp to the proper CC line
and fake the proper CC voltage.
BRANCH=servo
BUG=b:136014621
TEST=Tried the console commands:
* Typed "cc src pol0" on servo v4 and checked DUT detected CC1:
Port C0 CC1, Ena - Role: SNK-DFP State: SNK_READY, Flags: 0x4946
* Typed "cc src pol1" on servo v4 and checked DUT detected CC2:
Port C0 CC2, Ena - Role: SNK-DFP State: SNK_READY, Flags: 0x4946
* Typed "cc snk pol0" on servo v4 and checked DUT detected CC1:
Port C0 CC1, Ena - Role: SRC-DFP-VC State: SRC_DISCOVERY, Flags: 0x1608
* Typed "cc snk pol1" on servo v4 and checked DUT detected CC2:
Port C0 CC2, Ena - Role: SRC-DFP-VC State: SRC_DISCOVERY, Flags: 0x1608
* Typed "cc srcdts pol0" on servo v4 and checked DUT detected CC1:
Port C0 CC1, Ena - Role: SNK-DFP State: SNK_READY, Flags: 0x14946
* Typed "cc srcdts pol1" on servo v4 but resulted some hard reset issue
during PD negotiation; need further investigation.
Port C0 CC2, Ena - Role: SNK-UFP State: SNK_DISCOVERY, Flags: 0x10608
TEST=Ran the entire PD FAFT suite passed on both CC polarities.
Change-Id: I7f983179b13e87a219bd26fe3665446df36de86e
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1693843
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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firmware_PDVbusRequest forces servo v4 to different max_voltage
limits to verify the PD negotiation. Add the firmware support for it.
The console command usbc_action is the same as Plankton. So the test
side doesn't need any change.
BRANCH=servo
BUG=b:134700685
TEST=Tried usbc_action command and ran firmware_PDVbusRequest passed.
Change-Id: I5f05d73d9a2f92fe26514285e7c251e9fa27aba8
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1686221
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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The extentions were added to make the compiler perform most
of the verification that the conversion was being done correctly
to remove 8bit addressing as the standard I2C/SPI address type.
Now that the compiler has verified the code, the extra
extentions are being removed
BUG=chromium:971296
BRANCH=none
TEST=make buildall -j
TEST=verify sensor functionality on arcada_ish
Change-Id: I36894f8bb9daefb5b31b5e91577708f6f9af2a4f
Signed-off-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1704792
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
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For the normal lab use, emulating a sink has no PD comm, like a passive
hub. For the PD FAFT use, we need to validate some PD behavior, should
support sink roles with PD comm enabled. Two new roles "pdsnk" and
"pdsnkdts" are introduced.
BRANCH=servo
BUG=b:134700685
TEST=Typed "cc pdsnk" or "cc pdsnkdts" can transit the DUT port to
the PD state "SNK_READY", instead "SNK_DISCOVERY".
Change-Id: If6a7c39cd296986b8b28de1c1fbe66ee8438c709
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1682920
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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Support a new flag to enable DRP. The do_cc() function becomes having 4
arguments. So change to merge them into a single cc_config with
different bit masks.
For the force_source or force_sink role, we explicitly set the the Rp
or Rd resistors on CC lines. But for DRP role, the Rp/Rd toggling is
controlled by the PD state machine. So don't set any CC pull resistor
for DRP.
Support an "on" option in "cc" command to restore the previous role
before emulating detach.
Add "usbc_action drp" to toggle the DRP state, which is compatible with
Plankton.
BRANCH=servo
BUG=b:135691171
TEST=Ran the firmware_PDTrySrc test passed, and not break all the
existing PD FAFT tests.
Change-Id: I3b90611c9840f502e496c42f80354e7ee002f96e
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1682919
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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Update the PD policy and comments:
* Only allow data role swap on DUT port;
* Remove the dts mode condition to initiate a data role swap
(not necessary to limit it to dts mode).
BRANCH=servo
BUG=b:135691171
TEST=Checked the CHG port is always UFP.
TEST=Checked the DUT port is SRC/UFP, a data role swap happened (but
it was initiated by DUT).
Change-Id: I668703209301a9542e94768f31f6ce8e2d9eb0f4
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1682918
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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The pd_config_init() does two things:
* pd_tx_init() to init the GPIO MODULE_USB_PD;
* pd_set_host_mode() to set CC pull resistors.
The pd_config_init() is called on PD phy init hook.
For setting CC pull resistors, calling pd_set_host_mode() is enough.
Don't need to reinit GPIO MODULE_USB_PD.
BRANCH=servo
BUG=b:135691171
TEST=Set "cc" role to "src", "snk", "srcdts", "snkdts", and "off".
TEST=Unplugged and replugged the CHG port cable.
Change-Id: I1e783dfa5da4f8e8f1d9d591818eb1128b7a8caa
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1682917
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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Opt for 7bit slave addresses in EC code. If 8bit is
expected by a driver, make it local and show this in
the naming.
Use __7b, __7bf and __8b as name extensions for i2c/spi
addresses used in the EC codebase. __7b indicates a
7bit address by itself. __7bf indicates a 7bit address
with optional flags attached. __8b indicates a 8bit
address by itself.
Allow space for 10bit addresses, even though this is
not currently being used by any of our attached
devices.
These extensions are for verification purposes only and
will be removed in the last pass of this ticket. I want
to make sure the variable names reflect the type to help
eliminate future 7/8/7-flags confusion.
BUG=chromium:971296
BRANCH=none
TEST=make buildall -j
Change-Id: I2fc3d1b52ce76184492b2aaff3060f486ca45f45
Signed-off-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1699893
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
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In servo v4 hardware logic, both CC lines are wired directly
to DUT. When servo v4 as a snk, DUT may source Vconn to CC2
and make the voltage high as vRd-3.0, which makes the PD
state mess up. As the PD state machine doesn't handle this
case. It assumes that CC2 is separated by a Type-C cable,
resulting a voltage lower than the max of vRa.
It fakes the voltage within vRa so the PD state machine
checks the value as expected.
This is an issue only happening on servo v4 as it wires both
CC lines to DUT.
BUG=b:134700685
BRANCH=servo
TEST=Servo v4 as snk, verified the CC2 is sensed vRa, i.e.
the output "CC1:0" (TYPEC_CC_VOLT_OPEN), instead of "CC1:7"
(TYPEC_CC_VOLT_SNK_3_0).
2019-06-18 15:05:47 > cc snk
2019-06-18 15:05:50 cc: on
2019-06-18 15:05:50 dts mode: off
2019-06-18 15:05:50 chg mode: off
2019-06-18 15:05:50 chg allowed: off
2019-06-18 15:05:50 > C1 st2 SNK_DISCONNECTED
2019-06-18 15:05:50 C1 st3 SNK_DISCONNECTED_DEBOUNCE
2019-06-18 15:05:50 C1 st5 SNK_DISCOVERY
2019-06-18 15:05:51 > tcpc 1 state
2019-06-18 15:05:53 Port C1, Dis - CC:2, CC0:6, CC1:0
2019-06-18 15:05:53 Alert: 0x00 Mask: 0x007d
2019-06-18 15:05:53 Power Status: 0x48 Mask: 0x00
TEST=Ran the PD FAFT test firmware_PDConnect passed.
Change-Id: I10f1ffe80768100ee3ed4c374598df7c2f9a8d05
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1666468
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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Servod now uses the "cc" console command to change the dts mode. So no
one uses the "dts" command. Remove it to save the flash space (128
bytes).
BUG=b:131840808
BRANCH=servo
TEST=Flashed the servo v4 firmware and started servod. Tried:
$ dut-control servo_v4_dts_mode
servo_v4_dts_mode:on
$ dut-control servo_v4_dts_mode:off servo_v4_dts_mode
servo_v4_dts_mode:off
$ dut-control servo_v4_dts_mode:on servo_v4_dts_mode
servo_v4_dts_mode:on
Change-Id: I35778ff8975af35e623a9c9c70926264161cff3d
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1669742
Reviewed-by: Scott Collyer <scollyer@chromium.org>
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
Commit-Queue: Jason Clinton <jclinton@chromium.org>
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It fixes a hard reset issue.
After a hard reset, the PD state goes to SNK_HARD_RESET_RECOVER state
and waits for the VBUS "off" and then back "on" again. When the VBUS
goes back to "on", it then transits to SNK_DISCOVERY state that
replies the Source_Cap message. In order to make the VBUS detection
fast enough, these interrupts are needed to wake the PD tasks up;
otherwise, it missed the Source_Cap message
BUG=b:134701032
BRANCH=servo
TEST=Made servo v4 as sink and issued Hard_Reset on either DUT or servo.
2019-06-14 13:55:04 > cc snk
2019-06-14 13:55:06 cc: on
2019-06-14 13:55:06 dts mode: off
2019-06-14 13:55:06 chg mode: off
2019-06-14 13:55:06 chg allowed: off
2019-06-14 13:55:06 > C1 st3 SNK_DISCONNECTED_DEBOUNCE
2019-06-14 13:55:06 C1 st5 SNK_DISCOVERY
2019-06-14 13:55:06 C1 Req [1] 5000mV 3000mA
2019-06-14 13:55:06 C1 st6 SNK_REQUESTED
2019-06-14 13:55:06 C1 st7 SNK_TRANSITION
2019-06-14 13:55:06 C1 st8 SNK_READY
2019-06-14 13:55:07
2019-06-14 13:55:07 > pd 1 hard
2019-06-14 13:55:16 C1 st34 HARD_RESET_SEND
2019-06-14 13:55:16 > C1 st35 HARD_RESET_EXECUTE
2019-06-14 13:55:16 C1 HARD RST TX
2019-06-14 13:55:16 C1 st4 SNK_HARD_RESET_RECOVER
2019-06-14 13:55:16 Repeat msg_id[0] port[1]
2019-06-14 13:55:16 Repeat msg_id[0] port[1]
2019-06-14 13:55:16 Repeat msg_id[0] port[1]
2019-06-14 13:55:16 C1 st5 SNK_DISCOVERY
2019-06-14 13:55:16 Repeat msg_id[0] port[1]
2019-06-14 13:55:16 C1 HARD RST RX
2019-06-14 13:55:16 C1 st4 SNK_HARD_RESET_RECOVER
2019-06-14 13:55:17 C1 st5 SNK_DISCOVERY
2019-06-14 13:55:17 C1 Req [1] 5000mV 3000mA
2019-06-14 13:55:17 C1 st6 SNK_REQUESTED
2019-06-14 13:55:17 C1 st7 SNK_TRANSITION
2019-06-14 13:55:18 C1 st8 SNK_READY
2019-06-14 13:55:18 C1 Req [1] 5000mV 3000mA
2019-06-14 13:55:18 C1 st6 SNK_REQUESTED
2019-06-14 13:55:18 C1 st7 SNK_TRANSITION
2019-06-14 13:55:18 C1 st8 SNK_READY
Issued "pd 0 hard" on DUT:
2019-06-14 13:56:07 > C1 HARD RST RX
2019-06-14 13:56:11 C1 st4 SNK_HARD_RESET_RECOVER
2019-06-14 13:56:12 C1 st5 SNK_DISCOVERY
2019-06-14 13:56:12 C1 Req [1] 5000mV 3000mA
2019-06-14 13:56:12 C1 st6 SNK_REQUESTED
2019-06-14 13:56:12 C1 st7 SNK_TRANSITION
2019-06-14 13:56:12 C1 st8 SNK_READY
Change-Id: I0cc80515df8044ec07fa6795d3723aca2a3dc0ef
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1660125
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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The DUT may have multiple USB Type-C ports. In order to identify a pair
of PD port partners, the PD FAFT tests asks one partner to emulate a detach
and then checks the other partner if it sees a proper status.
This requires to implement a CC detach on servo v4. A console command
'fakedisconnect' (similar to plankton) is introduced to disconnect for a
given period and then connect back.
BUG=b:131840808
BRANCH=servo
TEST=Manuall tested the commands on servo v4 console to emulate detach.
. > cc
. cc: on
. dts mode: on
. chg mode: on
. chg allowed: on
. > pd 1 state
. Port C1 CC1, Ena - Role: SRC-UFP State: 23(SRC_READY), Flags: 0x1415e
. > cc off
. cc: off
. dts mode: on
. chg mode: on
. chg allowed: off
. > pd 1 state
. Port C1 CC1, Dis - Role: SNK-UFP State: 2(SNK_DISCONNECTED),
. Flags: 0x0000
Checked the DUT EC console to verify the port status as detached.
. > pd 0 state
. Port C0 CC2, Ena - Role: SNK-DFP State: DRP_AUTO_TOGGLE, Flags: 0x0020
Made the servo v4 connect back.
. > cc srcdts
. cc: on
. dts mode: on
. chg mode: on
. chg allowed: on
. > pd 1 state
. Port C1 CC1, Ena - Role: SRC-UFP State: 23(SRC_READY), Flags: 0x1415e
Checked the DUT EC console to verify the port status as connected.
. > pd 0 state
. Port C0 CC2, Ena - Role: SNK-DFP State: SNK_READY, Flags: 0x14946
Typed 'fakedisconnect' command to disconnect for a period.
. > fakedisconnect 1000 2000
. Fake disconnect for 2000 ms starting in 1000 ms.
Verified DUT got disconnected and then connected back.
Change-Id: Ie29cfd4f55ac48b593f71d580762ff5e77ee9602
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1603469
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
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This reverts commit 2fa7472da15a402ba8649344016ab5351cb768e7.
Reason for revert: Use servo I2C driver to access the INA's instead. Don't need the INA driver and the console command in servo v4 firmware.
Original change's description:
> servo_v4: Enable VBUS voltage and current measurement
>
> Enable the INA functions on the VBUS of the DUT port (PP_DUT) and the
> VBUS of the CHG port (PP_CHG).
>
> BUG=b:132807223
> BRANCH=servo
> TEST=Typed the console command "ina 0" and returned:
> > ina 0
> Configuration: 4127
> Shunt voltage: 10d9 => 10782 uV
> Bus voltage : 3d3a => 19592 mV
> Power : 069b => 42275 mW
> Current : 086d => 2157 mA
> Calibration : 0400
> Mask/Enable : 0008
> Alert limit : 0000
>
> Used a multimeter to measure the VBUS on the DUT port. The measured
> voltage and current are close to the above values.
>
> Did the same thing on the CHG port.
>
> Change-Id: I1d49540b4685f299437821251cd6422b1c0ac0b8
> Signed-off-by: Wai-Hong Tam <waihong@google.com>
> Reviewed-on: https://chromium-review.googlesource.com/1613805
> Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
> Reviewed-by: Scott Collyer <scollyer@chromium.org>
Bug: b:132807223
Change-Id: If8517ceb5255e38bb2824e6cb9fe1848142950c8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1638718
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Tested-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Wai-Hong Tam <waihong@google.com>
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Enable the INA functions on the VBUS of the DUT port (PP_DUT) and the
VBUS of the CHG port (PP_CHG).
BUG=b:132807223
BRANCH=servo
TEST=Typed the console command "ina 0" and returned:
> ina 0
Configuration: 4127
Shunt voltage: 10d9 => 10782 uV
Bus voltage : 3d3a => 19592 mV
Power : 069b => 42275 mW
Current : 086d => 2157 mA
Calibration : 0400
Mask/Enable : 0008
Alert limit : 0000
Used a multimeter to measure the VBUS on the DUT port. The measured
voltage and current are close to the above values.
Did the same thing on the CHG port.
Change-Id: I1d49540b4685f299437821251cd6422b1c0ac0b8
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1613805
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Scott Collyer <scollyer@chromium.org>
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Servo_v4 is used as a testing equipment, not like a normal Chromebook.
So we don't syslock the system and WP the flash. Disable these
commands to save space.
Before:
1136 bytes in flash and 2336 bytes in RAM available on RO
After:
1712 bytes in flash and 2344 bytes in RAM available on RO
BUG=b:131840808
BRANCH=servo
TEST=Built and flashed the servo v4 firmware. Started servod and
verified some functions.
Change-Id: Ic84d48d984ae9abb1cbbb7b90aaece1f99d9d729
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1613804
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Nick Sanders <nsanders@chromium.org>
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The servo_v4 is almost out-of-space. Disable some unused features
and console commands to reclaim some space.
Before:
176 bytes in flash and 4392 bytes in RAM available on RO
After:
1264 bytes in flash and 4400 bytes in RAM available on RO
BUG=b:131840808
BRANCH=servo
TEST=Built and flashed the servo v4 firmware. Started servod and
verified some functions.
Change-Id: Ic0e76794d0603fccc2f733cad388f54650d2cd45
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1597959
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Ruben Rodriguez Buchillon <coconutruben@chromium.org>
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From crrev.com/c/1529724, servo-v4 console displays the ccd polarity
in opposite manner.
2019-05-15 11:53:59 [583.849805 CCD: connected noflip]
2019-05-15 11:54:01 adC
2019-05-15 11:54:01 CHG_CC1_PD = 1708
2019-05-15 11:54:01 CHG_CC2_PD = 33
2019-05-15 11:54:01 DUT_CC1_PD = 1637
2019-05-15 11:54:01 DUT_CC2_PD = 1625
2019-05-15 11:54:01 SBU1_DET = 3092
2019-05-15 11:54:01 SBU2_DET = 24
2019-05-15 11:54:01 SUB_C_REF = 569
2019-05-15 11:54:20 C1 st3
2019-05-15 11:54:20 C1 st5
2019-05-15 11:54:20 [604.585404 CCD: connected flip]
2019-05-15 11:54:23 adc
2019-05-15 11:54:24 CHG_CC1_PD = 1712
2019-05-15 11:54:24 CHG_CC2_PD = 32
2019-05-15 11:54:24 DUT_CC1_PD = 1616
2019-05-15 11:54:24 DUT_CC2_PD = 1644
2019-05-15 11:54:24 SBU1_DET = 20
2019-05-15 11:54:24 SBU2_DET = 2955
2019-05-15 11:54:24 SUB_C_REF = 611
BUG=None
BRANCH=None
TEST=manually build fw and checked.
2019-05-15 12:07:46 [27.057955 CCD: connected noflip]
2019-05-15 12:07:47 adc
2019-05-15 12:07:48 CHG_CC1_PD = 1705
2019-05-15 12:07:48 CHG_CC2_PD = 4
2019-05-15 12:07:48 DUT_CC1_PD = 1617
2019-05-15 12:07:48 DUT_CC2_PD = 1645
2019-05-15 12:07:48 SBU1_DET = 20
2019-05-15 12:07:48 SBU2_DET = 3102
2019-05-15 12:07:48 SUB_C_REF = 592
2019-05-15 12:08:05 [45.191161 CCD: connected flip]
2019-05-15 12:08:06 adc
2019-05-15 12:08:08 CHG_CC1_PD = 1704
2019-05-15 12:08:08 CHG_CC2_PD = 4
2019-05-15 12:08:08 DUT_CC1_PD = 1638
2019-05-15 12:08:08 DUT_CC2_PD = 1625
2019-05-15 12:08:08 SBU1_DET = 2970
2019-05-15 12:08:08 SBU2_DET = 23
2019-05-15 12:08:08 SUB_C_REF = 563
Change-Id: I0e8540fb30460827772fefd63a3426d67fa85092
Signed-off-by: Namyoon Woo <namyoon@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1613650
Reviewed-by: Nick Sanders <nsanders@chromium.org>
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servo_v4 is tight on space, so remove the history console command to
gain some space.
BUG=None
BRANCH=None
TEST=make -j BOARD=servo_v4
Change-Id: Idba1b05335e31f655e98883abdd15000e6310c41
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1613799
Commit-Ready: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Reviewed-by: Nick Sanders <nsanders@chromium.org>
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