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Provide a common function to issue reboot commands to the EC.
Expose that function for external use and use it internal to
the module.
BUG=b:35580805
Change-Id: I1458bd7119b0df626a043ff3806c15ffb5446c9a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/19573
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
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This fixes an issue on systems where the S3 state in the pm1 control
registers are not cleared when vboot determines recovery mode is
required on an S3 resume. The EC code will reboot the system knowing
that the EC was in RW. However, on subsequent entry into romstage the
S3 path will be taken and fails to recover cbmem -- forcing another
reboot. To work around that, signal to the platform a reboot is
happening and let the platform perform the necessary fix ups to the
register state.
BUG=chrome-os-partner:62627
Change-Id: Ic144b11b4968c92a1273b8d9eb9dc10f0056bf3d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/18295
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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Normally firmware should have no business messing with the USB PD role
(source/sink/whatever) in the EC. But, as so often happens, ugly issues
crop up that require weird work-arounds, and before you know it you need
to do this for some reason that only makes sense in context. I do now,
so add this function to send the necessary host command in the simplest
possible fashion.
BRANCH=gru
BUG=chrome-os-partner:59346
TEST=Used it in a follow-up patch.
Change-Id: I07d40feafd6a8387a633d6384efb205baf578d76
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8b71767caccff9b77d458182ce8066f7abf6321c
Original-Change-Id: Ie8d0be98f6b703f4db062fe2f728cd2588347202
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/413030
Original-Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-on: https://review.coreboot.org/17627
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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BUG=chrome-os-partner:59352
BRANCH=None
TEST=Verified eventlog on reef
0 | 2016-11-12 19:49:25 | Log area cleared | 4088
1 | 2016-11-12 19:49:25 | Kernel Event | Clean Shutdown
2 | 2016-11-12 19:49:25 | ACPI Enter | S5
3 | 2016-11-12 19:49:39 | System boot | 365
4 | 2016-11-12 19:49:39 | EC Event | Power Button
5 | 2016-11-12 19:49:45 | Chrome OS Recovery Mode | Recovery Button
Pressed
6 | 2016-11-12 19:49:45 | Chrome OS Developer Mode
7 | 2016-11-12 19:49:45 | EC Event | Keyboard Recovery
8 | 2016-11-12 19:49:45 | Memory Cache Update | Recovery | Success
9 | 2016-11-12 19:50:46 | System boot | 366
10 | 2016-11-12 19:50:46 | EC Event | Power Button
11 | 2016-11-12 19:50:52 | Chrome OS Recovery Mode | Recovery Button
Pressed
12 | 2016-11-12 19:50:52 | Chrome OS Developer Mode
13 | 2016-11-12 19:50:52 | EC Event | Keyboard Recovery Forced Hardware
Reinit
14 | 2016-11-12 19:50:52 | Memory Cache Update | Recovery | Success
15 | 2016-11-12 19:51:24 | Power Button
16 | 2016-11-12 19:51:24 | ACPI Enter | S5
17 | 2016-11-12 19:51:27 | System boot | 367
18 | 2016-11-12 19:51:27 | EC Event | Power Button
19 | 2016-11-12 19:51:32 | Wake Source | Power Button | 0
20 | 2016-11-12 19:51:32 | ACPI Wake | S5
21 | 2016-11-12 19:51:32 | Chrome OS Developer Mode
22 | 2016-11-12 19:51:32 | Memory Cache Update | Normal | Success
Change-Id: I45dda210cf9d4e5a75404792fcee15b2010787a7
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17394
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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With VBOOT_VERIFY_FIRMWARE separated from CHROMEOS, move recovery and
developer mode check functions to vboot. Thus, get rid of the
BOOTMODE_STRAPS option which controlled these functions under src/lib.
BUG=chrome-os-partner:55639
Change-Id: Ia2571026ce8976856add01095cc6be415d2be22e
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15868
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Some platforms have an RTC provided by the Chrome OS EC. Allow the EC to
implement rtc_get() so that this can be plumbed in.
BUG=chrome-os-partner:52220
BRANCH=none
TEST=(partial) with future commits, boot on gru and see output:
Date: 1970-01-17 (Saturday) Time: 1:42:44
Then reboot ~10 seconds later and see output:
Date: 1970-01-17 (Saturday) Time: 1:42:53
Change-Id: I3b38f23b259837cdd4bd99167961b7bd245683b3
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 4a4a26da37323c9ac33030c8f1510efae5ac2505
Original-Change-Id: Icaa381d32517dfed8d3b7927495b67a027d5ceea
Original-Signed-off-by: Simon Glass <sjg@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/351780
Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/15302
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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Add support functions for the Chrome EC temporary storage interface.
BUG=chrome-os-partner:46049
BRANCH=none
TEST=tested on glados with modified coreboot
Change-Id: Id2bc46df9cb2d82b15e3309e78d07407a622b6f0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a7e6f693666b162e11eb0611715f10a8f465ad88
Original-Change-Id: Ieefabfc5bcb9d8a5064f0da967c46d0f377ca320
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/315217
Original-Commit-Ready: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/13572
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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It encourages users from writing to the FSF without giving an address.
Linux also prefers to drop that and their checkpatch.pl (that we
imported) looks out for that.
This is the result of util/scripts/no-fsf-addresses.sh with no further
editing.
Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/11888
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Change-Id: I3a42ba9494b5174920e36e3110b8d62d721fe742
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/11886
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add a kconfig entry to indicate that a board has a PD chip and
try to put it in RO mode before the EC during early init.
BUG=chrome-os-partner:40635
BRANCH=none
TEST=emerge-glados coreboot
Change-Id: I170271de9b929fcb73d6b0e09171385a6d23f153
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 17e2d13261f4e35a8148039e324e22ec1da64b3c
Original-Change-Id: I44eed5401beb1dc286e316cf0cc958da791580a5
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/297747
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11571
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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As per discussion with lawyers[tm], it's not a good idea to
shorten the license header too much - not for legal reasons
but because there are tools that look for them, and giving
them a standard pattern simplifies things.
However, we got confirmation that we don't have to update
every file ever added to coreboot whenever the FSF gets a
new lease, but can drop the address instead.
util/kconfig is excluded because that's imported code that
we may want to synchronize every now and then.
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} +
$ find * -type f
-a \! -name \*.patch \
-a \! -name \*_shipped \
-a \! -name LICENSE_GPL \
-a \! -name LGPL.txt \
-a \! -name COPYING \
-a \! -name DISCLAIMER \
-exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} +
Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9233
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
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This patch adds a few retries to NVRAM read/write transactions with the
EC. Failing to read the NVRAM is not fatal to the boot, but it's still
pretty bad... especially since a single initial read failure will cause
vboot to blindly reinitialize the whole NVRAM with zeroes, destroying
important configuration bits like dev_boot_usb. The current EC
transaction timeout is one second, so the three retries added here can
potentially increase boot time by three seconds per transaction... but
this shouldn't happen in any normal case anyway, and if there are errors
a little extra wait is probably preferrable to nuking your NVRAM.
(Also, added a missing newline to an error message in the EC code.)
BRANCH=veyron
BUG=chrome-os-partner:36924
TEST=Booted a Jerry with the power button bug with a 2 second press,
noticed that the first two transactions failed but the third one
succeeded.
Change-Id: I5d1cf29ac1c555ea2336ebb0b0e0a3f7cbb9c3fd
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: 894a8a0b4a9805e92544b5e3dfa90baf6d36649a
Original-Change-Id: I6267cdda2be2bad34541b687404c2434d3be345b
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/251694
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9507
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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The EC behavior for reading events from the ACPI interface was broken
with this commit:
d899fda lpc: ACPI query-next-event drops masked events
https://chromium-review.googlesource.com/194935
This is causing no EC wake events to be logged. To make sure they are
logged once again set the wake mask before querying for events.
Also remove the check for port80 event logging since this is no longer
used as we now store the port80 code in CMOS and this is unnecessary
commands to do for the resume path.
BUG=chrome-os-partner:32462
BRANCH=samus,auron
TEST=build and boot on samus, check for EC wake events for keyboard
and lid in the event log.
Change-Id: Ib46fc00006ff0e5777941fc3ab1d81607359c4cb
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: b4dccc03bdded8411cc1429521579ea006ec58a7
Original-Change-Id: Icdd0c1a37a94e0cbd9fd256172324bf989e6d0dc
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/220373
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9215
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Coreboot needs to be able to reboot the PD controller into RO
image in recovery mode early in the boot process in order to
avoid a lengthy recovery mode boot if it is only done at vboot
software sync time.
In order to do this a new device index field is added to the
command structure which must be initaalized to zero for all EC
transactions.
This early init and image check code is only used in romstage so
include it in the __PRE_RAM__ block.
BUG=chrome-os-partner:30079
BRANCH=none
TEST=build and boot on samus EVT in recovery mode and see that
the PD is rebooted to RO mode early in the boot.
Change-Id: Iee60aae4d49b83b4a377b71e41e8109858a90223
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: b36cf37d9b5a7053ecbd15c748eac84836d413e1
Original-Change-Id: Iebc48709b527d3571618da775c849e1c3fcd6384
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/218903
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9204
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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When doing an EC requested reboot to RO mode clear the
saved post code in order to prevent confusing events in
the log where the system is rebooted intentionally.
BUG=chrome-os-partner:28234
BRANCH=none
TEST=build and boot on samus, run FAFT, check for odd
eventlog entries about last post code 0x31 when it is
rebooted during samus romstage entry point.
Original-Change-Id: I8bedc611712424bf1044cdca1972e34ffdd51abd
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/215681
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit e32d7a7e54e7006b84509dbc2bfe9b4b022eba71)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: Iad816669fb4054260f995f6f0bfb140121aaddff
Reviewed-on: http://review.coreboot.org/9176
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>
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The EC doesn't return any data when one performs a write to
VBNV context. Therefore there is a mismatch of expectations.
Correct this by properly setting the expected response length.
BUG=chrome-os-partner:31148
BRANCH=None
TEST=No longer hanging while writing to VBNV on ryu.
Change-Id: I7077a507c3280358dac1f88ece62cacee9b71bea
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c1735c3377163aeb9e90155cb9f081a1eea919c9
Original-Change-Id: I455724f20f5442bd62a792f09273227417475f07
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/211137
Original-Reviewed-by: Stefan Reinauer <reinauer@google.com>
Original-Reviewed-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8826
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add the empty weak function clear_recovery_mode_switch().
Problem:
If GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC is set,
the following will happen:
1. Boot device in recovery mode with Esc + F3 + Pwr.
2. Turn device off with Pwr button.
3. Turn device on with Pwr button.
Device still boots to recovery screen with
recovery_reason:0x02 recovery button pressed.
If GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC isn't set, turning the
device off and on again with the Pwr button does a normal boot.
Solution:
Unconditionally clear the recovery flag.
BUG=chromium:279607
BRANCH=TOT
TEST=Compile OK.
Original-Change-Id: Ie1e3251a6db12e75e385220e9d3791078393b1bf
Original-Signed-off-by: Sheng-Liang Song <ssl@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/197780
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Randall Spangler <rspangler@chromium.org>
Original-Commit-Queue: Sheng-liang Song <ssl@google.com>
Original-Tested-by: Sheng-liang Song <ssl@google.com>
(cherry picked from commit 18908bb64cef34ca41812814817ef887961bed34)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I71ca9f3ea8d816c865375ec66a0603ca211f23ae
Reviewed-on: http://review.coreboot.org/7895
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)
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There were instances of unneeded arch/hlt.h includes,
various hlt() calls that weren't supposed to exit (but
might have) and various forms of endless loops around
hlt() calls.
All these are sorted out now: unnecessary includes are
dropped, hlt() is uniformly replaced with halt() (except
in assembly, obviously).
Change-Id: I3d38fed6e8d67a28fdeb17be803d8c4b62d383c5
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/7608
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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This patch renames the x86 way of doing things to
explicitly mention CMOS (which is not available on
our ARM platforms) and adds an implementation to
get VBNV through the Chrome EC. We might want to
refine this further in the future to allow VBNV
in the EC even on x86 platforms. Will be fixed when
that appears. Also, not all ARM platforms running
ChromeOS might use the Google EC in the future, in
which case this code will need additional work.
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Change-Id: Ice09d0e277dbb131f9ad763e762e8877007db901
Reviewed-on: https://chromium-review.googlesource.com/167540
Reviewed-by: David Hendrix <dhendrix@chromium.org>
Tested-by: Stefan Reinauer <reinauer@google.com>
Commit-Queue: Stefan Reinauer <reinauer@google.com>
(cherry picked from commit 8df6cdbcacb082af88c069ef8b542b44ff21d97a)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6616
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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Comment #endif /* FOO */ pairings.
Alphabetise headers and remove any #if CONFIG_ guards around them.
Background rational:
Remove guarding the inclusion of headers based on CONFIG_ options. This
*potentially* could hide issues such as functions being swapped from
under our feet, since different runtime behaviour could be declared with
the same function same name and type-signature. Hence, depending on the
header we happen to get may change runtime behaviour.
Change-Id: Ic61bdfb64d99f0e2998c6451ae6686915b7bb3d4
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6059
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
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It's helpful to have a generic function that will tell
the EC to reboot if the EC isn't running a specified
image. Add that and implement google_chromeec_early_init()
to utilize the new function still maintaing its semantics
of if recvoery mode is enabled the EC should be running its
RO image. There is a slight change in that no communication
is done with the EC if not in recovery mode.
BUG=chrome-os-partner:24133
BRANCH=rambi,squawks
TEST=Built and boot with recovery request. Noted EC reboot.
Change-Id: I22240f6a11231e39c33fd79796a52ec76b119397
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/182060
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/5039
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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Move the implementation for recovery and developer modes from
vendorcode/google/chromes to lib/.
Change-Id: I33335fb282de2c7bc613dc58d6912c47f3b5c06c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4308
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
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We will soon need to call google_chromeec_get_board_version to determine
correct DDR SPD. We must do so before DDR is initialized, so allow this
function to be called from romstage.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I882d84e38d11bf66067193a6f408f941f2cf8a81
Reviewed-on: https://gerrit.chromium.org/gerrit/61191
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/4351
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Change-Id: I576d0dbf65693f40d7d1c20d3d5e7a75b8e14dc9
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/3752
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Now that we are executing VbInit() in coreboot we can end up
in a situation where the recovery reason is consumed during
VbInit (end of romstage) and then the EC is rebooted to RO
during ramstage EC init, thereby losing the recovery reason.
Two possiblities are to remove the EC check+reboot from ramstage
and let it happen in depthcharge. This however means that the
system has to boot all the way into depthcharge and then reboot
the EC and the system again.
Instead if we do a check in romstage before VbInit() is called
then we can reboot the EC into RO early and avoid booting all
the way to depthcharge first.
This change adds a ramstage version the EC init function and
calls it from the shared romstage code immediately after the
PCH decode windows are setup.
Change-Id: I30d2a0c7131b8e4ec30c63eea36944ec111a8fba
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/3744
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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"Plug-n-play" is not supported on all platforms using Google's Chrome EC.
For example, EC on I2C bus will need explicit configuration and initialization.
So move the plug-n-play initialization to the LPC implementation.
Verified by building Google/Link (with EC/LPC) successfully.
Change-Id: I49e5943503fd5301aa2b2f8c1265f3813719d7e3
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: http://review.coreboot.org/3089
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Google's Chrome EC can be installed on LPC or I2C bus, using different command
protocol. This commit adds I2C support for devices like Google/Snow.
Note: I2C interface cannot be automatically probed so the bus and chip number
must be explicitly set.
Verified by booting Google/Snow, with following console output:
Google Chrome EC: Hello got back 11223344 status (0)
Google Chrome EC: version:
ro: snow_v1.3.108-30f8374
rw: snow_v1.3.128-e35f60e
running image: 1
Change-Id: I8023eb96cf477755d277fd7991bdb7d9392f10f7
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: http://review.coreboot.org/3074
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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The Chrome EC can be connected by different types of bus like LPC / I2C / SPI,
and the current implementation is only for LPC.
To support other types, we must first isolate the LPC protocol stuff and add
configuration variable (EC_GOOGLE_CHROMEEC_LPC) to specify bus type.
Verified by building google/link (with chromeec) configuration successfully.
Change-Id: Ib2920d8d935bcc77a5394e818f69e9265e26e8a0
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: http://review.coreboot.org/3068
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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Here's the great news: From now on you don't have to worry about
hitting the right io.h include anymore. Just forget about romcc_io.h
and use io.h instead. This cleanup has a number of advantages, like
you don't have to guard device/ includes for SMM and pre RAM
anymore. This allows to get rid of a number of ifdefs and will
generally make the code more readable and understandable.
Potentially in the future some of the code in the io.h __PRE_RAM__
path should move to device.h or other device/ includes instead,
but that's another incremental change.
Change-Id: I356f06110e2e355e9a5b4b08c132591f36fec7d9
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2872
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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In the file `COPYING` in the coreboot repository and upstream [1]
just one space is used.
The following command was used to convert all files.
$ git grep -l 'MA 02' | xargs sed -i 's/MA 02/MA 02/'
[1] http://www.gnu.org/licenses/gpl-2.0.txt
Change-Id: Ic956dab2820a9e2ccb7841cab66966ba168f305f
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/2490
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
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Google ChromeEC is an EC with completely open source firmware.
See https://gerrit.chromium.org/gerrit/gitweb?p=chromiumos/platform/ec.git;a=summary
for the EC firmware source code (aka more information about the ChromeEC)
This patch adds support for the ChromeEC on coreboot's side.
Great thanks to the ChromeEC team for this amazing work. It's another
important milestone towards a free and open firmware stack on modern
hardware.
Change-Id: Iace78af9d291791d2f5f80ccca1587b418738cec
Signed-off-by: Stefan Reinauer <reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/2481
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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