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12 Commits

Author SHA1 Message Date
Nicolas Boichat
4cb524de67 touchpad_elan: Rename task/interrupts functions 
Change the names to generic touchpad_* functions, instead of
vendor-specific names. Makes it a little easier to add drivers
for other touchpads.

Also fix console_channel.inc to add the channel whenever any
touchpad is used.

BRANCH=none
BUG=b:68934906
TEST=make buildall -j

Change-Id: I6d268db5ebd53db272fb2ee7bbf06bbe80845734
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/778750
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-11-20 04:53:20 -08:00
Chun-Ta Lin
8288cea242 hammer: adjust stack size for trackpad task 
Current stack size is so well-calculated that printing debug message
will cause stack overflow and triger reboots.

BRANCH=none
BUG=none
TEST=make BOARD=hammer

Change-Id: If90a4d99181e1e08b7ff69e12b5d54a19455cea9
Signed-off-by: Chun-Ta Lin <itspeter@google.com>
Reviewed-on: https://chromium-review.googlesource.com/575116
Commit-Ready: Chun-ta Lin <itspeter@chromium.org>
Tested-by: Chun-ta Lin <itspeter@chromium.org>
Reviewed-by: Che-yu Wu <cheyuw@google.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
 2017-07-19 14:41:23 -07:00
Nicolas Boichat
cc6662135d hammer: Enable Link-Time-Optimization CONFIG_LTO 
We need to add __keep to the USB descriptors, otherwise they
get thrown away.

Also, for some reason the optimized RWSIG task uses a little bit
more stack space, so account for that:
   1   RWSIG            00000000    0.264350  1096/2048

BRANCH=none
BUG=b:63610290
TEST=make BOARD=hammer -j
     make newsizes
build/hammer/RO/ec.RO.flat shrank by 2052 bytes: (37336 to 35284)
build/hammer/RW/ec.RW.flat shrank by 3172 bytes: (50508 to 47336)
     Flash hammer, touchpad, keyboard, update all still work fine.

Change-Id: I39ffd320dae883596ce481efc4adec6e3c23000b
Reviewed-on: https://chromium-review.googlesource.com/567909
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
 2017-07-17 21:27:14 -07:00
Nicolas Boichat
a9364ca5d4 hammer: Add support for base pairing 
x25519 requires quite a bit more stack size (1696/2048), so
increase its size.

BRANCH=none
BUG=b:38486828
TEST=Flash hammer, ./usb_updater2 -c always reports the same
     device public key, and authenticator is correct.

Change-Id: I51dff9f10167d654561ef7f199b9b9206511b7e9
Reviewed-on: https://chromium-review.googlesource.com/532476
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Mattias Nissler <mnissler@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-06-15 09:37:57 -07:00
Nicolas Boichat
95a986ecad hammer: Increase hook stack size 
Adding entropy takes up to 1028 bytes of stack, let's increase
the stack size to 1280 bytes.

BRANCH=none
BUG=b:38487027
TEST=Flash hammer. On host, reboot hammer to RO:
     usb_updater2 -r; sleep 0.5; usb_updater2 -s
     usb_updater2 -e (adds entropy)
     EC console: check that rollbackinfo shows secret is updated

Change-Id: I7e2d506e0fcc3152d27ac1796db95df6b1a931d1
Reviewed-on: https://chromium-review.googlesource.com/513808
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
 2017-05-25 18:58:47 -07:00
Nicolas Boichat
4fd6f23101 hammer: Store secret in rollback block 
Also, increase console task stack size, as adding entropy
requires 780 bytes of stack.

BRANCH=none
BUG=b:38486828
TEST=Flash hammer
     rollbackinfo => 1 version 0 block, 1 empty block, RW verifies
           correctly.
     rollbackupdate 0; rollbackinfo => No change
     rollbackupdate 1; reboot => RO refuses to jump to RW
     rollbackinfo => Secret is [00..00] on both block (so the data
                     was copied correctly)
     rollbackupdate 2, 3, 4; rollbackinfo => Writes alternate
           between the 2 blocks.
     rollbackupdate 2 => Refuses to downgrade version
TEST=From blank secret [00..00], 'rollbackaddent Hello' updates it
         to [ba..fa], which matches the output of:
         (dd if=/dev/zero bs=1 count=32; echo -n Hello) | sha256sum

Change-Id: If63346dfab0a28aa82a7b4c2e46ca89fde3eb990
Reviewed-on: https://chromium-review.googlesource.com/511986
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-05-25 04:27:41 -07:00
Nicolas Boichat
be294d4efb hammer: Only define required options for RO and RW 
RO does not need touchpad/keyboard driver or I2C passthru, RW does
not need RW verification, let's shrink both images by only including
required config options.

BRANCH=none
BUG=b:35582031
TEST=Build and flash hammer: still functional.
   build/hammer/RO/ec.RO.flat shrank by 10144 bytes: (45868 to 35724)
   build/hammer/RW/ec.RW.flat shrank by 2764 bytes: (45332 to 42568)

Change-Id: Iff0feb4e8446cc9f2e32103cd383fddae3234fec
Reviewed-on: https://chromium-review.googlesource.com/479492
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
 2017-04-25 05:52:34 -07:00
Nicolas Boichat
0e5497db69 hammer: Verify RW signature in a separate task 
About 864 bytes of stack is necessary for rwsig verification,
so 1024 bytes should be enough.

BRANCH=none
BUG=b:35587171
TEST=Flash hammer, board boots to RW after 1s

Change-Id: If71fb04ec16f16881d14fca2721303744fbce75a
Reviewed-on: https://chromium-review.googlesource.com/468710
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-04-11 23:26:05 -07:00
Nicolas Boichat
9d9b9abe3d hammer: Increase HOOK stack size 
After running an update, we used to be dangerously close to
exhausting stack space, let's increase its size.
   1   HOOKS            00000000   39.906350  476/488

BRANCH=none
BUG=b:35587171
TEST=Update FW using usb_updater2, 3 times in a row, without reboot,
     no more panics.

Change-Id: Ia1559d7c4097b8d3179a6fa2f38bef126cb8055e
Reviewed-on: https://chromium-review.googlesource.com/458319
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-03-23 06:38:01 -07:00
Nicolas Boichat
526adbe531 hammer: Add keyscan task 
This scans the keyboard matrix, and reports events. Pin layout
is temporary.

BRANCH=none
BUG=chrome-os-partner:59083
TEST=make BOARD=hammer -j && util/flash_ec --board=hammer

Change-Id: Ifec7d1bd0223d4653c40b36e068d5d082d16284f
Reviewed-on: https://chromium-review.googlesource.com/411607
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2016-11-22 14:52:42 -08:00
Nicolas Boichat
3857a34873 hammer: Add elan trackpad support 
BRANCH=none
BUG=chrome-os-partner:59083
TEST=make BOARD=hammer -j && bash flash_hammer

Change-Id: I8b0e2f3e33f48622097ce698c9548d3e96ac75f1
Reviewed-on: https://chromium-review.googlesource.com/407741
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
 2016-11-09 04:41:10 -08:00
Nicolas Boichat
840ba2b6e4 hammer: Initial checkout 
BRANCH=none
BUG=chrome-os-partner:59083
TEST=make BOARD=hammer -j && bash flash_hammer

Change-Id: I8cc11408d28677a800af58e738f47d5dcadea3e6
Reviewed-on: https://chromium-review.googlesource.com/407739
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2016-11-08 23:24:50 -08:00