The only difference in this code on all our platforms is the array
describing the GPIOs. Hence, only keep that array in the mainboard
ChromeOS directory and move everything else to generic ChromeOS ACPI
code.
Change-Id: I9fc75842af64530c1255bea1c5f803c5316d6da6
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1278
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
No part of ChromeOS seems to use the debug header description, so drop
it to make sure it does not get copied around wrongly.
Change-Id: Icb0baedbf6112f11289b2ddd9618a955a424ddf7
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/989
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
The Emerald Lake 2 CRB wasn't designed with ChromeOS in mind, so there aren't
any actual developer mode, recovery mode, or write protect switches, let alone
GPIOs to read them from. Instead, I've commandeered signals connected to GPIOs
which are for other things but which aren't used by hardware or, for instance,
the EC to do something Coreboot doesn't control.
The recovery mode switch is connected to GPIO 22 and is called BIOS_REC on the
schematic. The name is at least very reminiscent of the right thing even if
it's supposed to be used for something else. There's a jumper on the board
labelled J8G1 which can force the line to ground, and if not, there's a switch
on the front of the case which toggles its value. "RECOVER" is for recovery
mode and "KEEP" is for normal mode.
The developer mode switch is connected to GPIO 57 and is called SV_DET on the
schematic. It's connected to a jumper labelled J8E2 on the board and, as far as
I can tell, can't be controlled in any other way. When the jumper is in place
and the pins are shorted, developer mode is selected. When the jumper is
removed, normal mode is selected.
The write protect is connected to GPIO 48 which is called BIOS_RESP on the
schematic. It's connected to a jumper labelled J8E3 which, like j8E2, seems to
be the only way to control the line it's on. When the jumper is in place,
write protect is "disabled", and when it's in place it's "enabled" even though
there's no functional difference.
The input for the recovery mode switch was chosen because of the name it
already had on the CRB, BIOS recovery, and because there's a switch to control
it on the front of the case which makes it easy to get at. The jumpers for
developer mode and recovery mode were chosen because there weren't very many
options available, and of those these were next to each other which should
make them easier to find and work with. It might be a good idea to wire toggle
switches up to the pins of those jumpers so they'll be easy to identify, can
be labelled, and would be easier to work with than little jumpers in the
middle of the motherboard.
Change-Id: Ib2c3dc05077dacfbede596dae143ed81a99dbebd
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/965
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This fixes a few cosmetics with the following three boards:
- Intel Emerald Lake 2
- Samsung ChromeBook
- Samsung ChromeBox
The following issues were fixed:
- rely on include path in ASL code instead of specifying relative
paths
- use updated ALIGN_CURRENT in acpi_tables.c
- use preprocessor defines instead of hard coded values where possible
Change-Id: Ia5941be3873aa84c30c13ff2f0428d1c52daa563
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/963
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)
This adds support for Intel's Emerald Lake 2 board.
Change-Id: Ifaeeac9d52fe655324ee29df5f7187b89b35f73a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/951
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
