| Commit message (Collapse) | Author | Age | Files | Lines |
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We want the amount of code and number of things defined in RO to be as
minimal as possible since RO is frozen forever. By keeping RO minimal,
we can reduce surface area for attacks and also confusion when GPIOs are
removed or renamed.
The fingerprint-related code only runs in RW, so move all
fingerprint-related GPIOs and associated code into separate files that
are only included in RW.
BRANCH=none
BUG=b:178746753
TEST=On dragonclaw v0.2 with servo micro and jtrace, verify sensor ID
shows on console
TEST=On dragonair, test fingerprint enroll and unlock
TEST=On morphius, test fingerprint enroll and unlock
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Change-Id: Ia6791666b57ed9be81230d8a5f77d874f56da5a4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2673909
Reviewed-by: Craig Hesling <hesling@chromium.org>
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No code change.
BRANCH=none
BUG=none
TEST=none
Signed-off-by: Craig Hesling <hesling@chromium.org>
Change-Id: I6f64cf7980a00093c8403e83309988e3c00ba5c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2587568
Reviewed-by: Yicheng Li <yichengli@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
Commit-Queue: Tom Hughes <tomhughes@chromium.org>
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Bloonchipper uses both uart ports on STM32. Debug console should now
work on uart2 which is connected to servo connector.
BRANCH=none
BUG=b:147849609
TEST=Access console on uart2.
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@google.com>
Change-Id: I26b7989051404224f9bf608ce02d35af2bb566f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2133589
Reviewed-by: Craig Hesling <hesling@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
Tested-by: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
Auto-Submit: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
Commit-Queue: Tom Hughes <tomhughes@chromium.org>
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This enables the internal pulldown for the SPI master's
CLK, MISO, and MOSI lines to the fingerprint sensor.
The specific issue this is assumed to fix is the SPI CLK's
idle state before signaling and idle state after signaling.
This issue is hinted to in the STM32F412's reference manual by
the following note:
"""
The idle state of SCK must correspond to the polarity selected
in the SPIx_CR1 register (by pulling up SCK if CPOL=1 or pulling
down SCK if CPOL=0).
"""
BRANCH=none
BUG=b:151190204
TEST=Test sensor version, fpenroll, and fpmatch on dragonclaw dev board
TEST=# On Dratini w/fingerprint
# Test enroll and match
time for i in {1..10000}; do out=$(ectool --name=cros_fp fpinfo | awk '/Fingerprint sensor/{print $7 " " $8}'); echo "Iter $i: '$out'"; if [[ "$out" != "model 21f" ]]; then echo "# FAIL !"; break; fi; done | tee ~/log.txt
Signed-off-by: Craig Hesling <hesling@chromium.org>
Change-Id: If5c9ce9e4e0c565959c4768b19ac002175c71c8a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2148012
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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BRANCH=nocturne,hatch
BUG=none
TEST=none
Change-Id: I1b1e994d7e8e74c298f2452b7eaf1a567d387dc0
Signed-off-by: Craig Hesling <hesling@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1991997
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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Based on the following schematics:
https://ee-schematics.teams.x20web.corp.google.com/hatch/hatch_p0/hatch_p0_499d1e339869c92d67ea9077ba35b66a6c103e1c.html
BRANCH=none
BUG=b:145847137
TEST=none
Change-Id: I29c5ec5abb9bdf7650c5a1eb190309c6ea85bfce
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1972376
Commit-Queue: Craig Hesling <hesling@chromium.org>
Reviewed-by: Craig Hesling <hesling@chromium.org>
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Previous schematic was Hatch Rev 2.6 (commit
e36c8b3683475b853c21564ddabc3ec90ee64f75 in hatch ee-git):
http://go/hatch-schematic-rev-2.6
New schematic is Hatch Rev 2.8 (commit
defe790e8d1c863de2ec04ee50f285e270038848 in hatch ee-git):
http://go/hatch-schematic-rev-2.8
BRANCH=none
BUG=b:144004439
TEST=make buildall -j
Change-Id: Ia40c4149f9c9d68c39e8235fec9a949347ed9c27
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1904652
Tested-by: Craig Hesling <hesling@chromium.org>
Reviewed-by: Craig Hesling <hesling@chromium.org>
Commit-Queue: Craig Hesling <hesling@chromium.org>
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This CL enables UNUSED pins for hatch_fp.
This places the unused/unconnected pins in the
lowest power state.
Using the UNUSED pins mechanism should be functionally
equivalent to the previous method of declaring these pins
as analog inputs.
See crrev.com/c/1894242 for implementation details.
BRANCH=nocturne,hatch
BUG=b:130561737
TEST=make buildall -j
TEST=make BOARD=bloonchipper
# Connect dragonclaw dev board over servo micro
sudo servod --board=bloonchipper --config bloonchipper_rev0.1.xml &
./util/flash_ec --board=bloonchipper
minicom -D $(dut-control raw_fpmcu_uart_pty | cut -d: -f2)
> sysinfo
# Check that we are in RW
Change-Id: I412118287893ec63cef42c6c190d0a4755de06cb
Signed-off-by: Craig Hesling <hesling@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1900122
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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By default, STM32F4 pins are configured as inputs, except some JTAG pins
which can impact the power consumption of the device in different power
modes because pins are very sensitive to external noise in input mode I/O.
To avoid extra I/O current, all pins should be configured as analog input
(AIN); in this mode the Schmitt trigger input is disabled, providing zero
consumption for each I/O pin.
For more info please look at "USING STM32F4 MCU POWER MODES WITH BEST
DYNAMIC EFFICIENCY"("AN4365") section 1.2.6 and STM32F412 reference manual
section 7.3.12.
BUG=b:130561737
BRANCH=None
TEST=Flash bloonchipper and measure power before and after. fpenroll and
fpmatch works fine.
Change-Id: I85d76589be22b892c81680763cfb263746004a80
Signed-off-by: Ravi Chandra Sadineni <ravisadineni@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1883127
Reviewed-by: Craig Hesling <hesling@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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BRANCH=none
BUG=b:124996507
TEST=Read HWID from fingerprint sensor (slave) on hatch_fp
Change-Id: I344d7e4a5afec1f7c23f45aca593159ba67e89ed
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1558937
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
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First draft, lots of features still missing.
Dev key generated with this command:
openssl genrsa -3 -out board/hatch_fp/dev_key.pem 3072
BRANCH=none
BUG=b:124996507
TEST=make BOARD=hatch_fp
Change-Id: I7d7f0ce6807f7db9ee67e2e9b72ba6b2a0b87591
Signed-off-by: Nicolas Norvez <norvez@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1482059
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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