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mb/google/guybrush: Add ACPI support for Chrome EC 

BUG=b:180507937
TEST=builds

Signed-off-by: Mathew King <mathewk@chromium.org>
Change-Id: Icb8aba87390475cad7a2a9911c3832a59c987b65
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51240
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Mathew King 2021-03-03 15:11:28 -07:00 committed by Martin Roth
parent fc49adfe82
commit 1ab35a7f50
2 changed files with 45 additions and 1 deletions
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12
src/mainboard/google/guybrush/dsdt.asl
View File

@ -1,6 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <variant/ec.h>
DefinitionBlock (
"dsdt.aml",
"DSDT",
@ -11,6 +13,14 @@ DefinitionBlock (
)
{
#include <acpi/dsdt_top.asl>
#include <soc.asl>
/* Chrome OS Embedded Controller */
Scope (\_SB.PCI0.LPCB)
{
/* ACPI code for EC SuperIO functions */
#include <ec/google/chromeec/acpi/superio.asl>
/* ACPI code for EC functions */
#include <ec/google/chromeec/acpi/ec.asl>
}
}

34
src/mainboard/google/guybrush/variants/baseboard/include/baseboard/ec.h
View File

@ -6,6 +6,7 @@
#include <ec/ec.h>
#include <ec/google/chromeec/ec_commands.h>
#include <baseboard/gpio.h>
#include <soc/gpio.h>
#define MAINBOARD_EC_SCI_EVENTS \
(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED) \
@ -45,4 +46,37 @@
| EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_SHUTDOWN) \
| EC_HOST_EVENT_MASK(EC_HOST_EVENT_PANIC))
/*
* ACPI related definitions for ASL code.
*/
/* Set GPI for SCI */
#define EC_SCI_GPI GEVENT_24 /* eSPI system event -> GPE 24 */
/* Enable EC backed ALS device in ACPI */
#define EC_ENABLE_ALS_DEVICE
/* Enable LID switch and provide wake pin for EC */
#define EC_ENABLE_LID_SWITCH
#define EC_ENABLE_WAKE_PIN GEVENT_3 /* AGPIO 22 -> GPE 3 */
/* Enable Tablet switch */
#define EC_ENABLE_TBMC_DEVICE
#define SIO_EC_MEMMAP_ENABLE /* EC Memory Map Resources */
#define SIO_EC_HOST_ENABLE /* EC Host Interface Resources */
#define SIO_EC_ENABLE_PS2K /* Enable PS/2 Keyboard */
/* Enable EC sync interrupt */
#define EC_ENABLE_SYNC_IRQ_GPIO
/* EC sync irq */
#define EC_SYNC_IRQ GPIO_84
/* Enable EC backed PD MCU device in ACPI */
#define EC_ENABLE_PD_MCU_DEVICE
/* Enable EC backed Keyboard Backlight in ACPI */
#define EC_ENABLE_KEYBOARD_BACKLIGHT
#endif /* __MAINBOARD_EC_H__ */