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authorJon Murphy <jpmurphy@google.com>2022-02-16 06:47:46 -0700
committerFelix Held <felix-coreboot@felixheld.de>2022-02-26 00:17:10 +0000
commitcbf0f98c6179c6f57080d44355e766221ca92669 (patch)
treea807ca5f9f3d1d74cadf629f6df9ab3d7bd7240c /src/mainboard/google/skyrim/variants
parent9e00571b49e14d7b81f4601ff04597fb12dd5d61 (diff)
mb/google/skyrim: Enable Chrome EC
BUG=b:214413613 TEST=builds BRANCH=none Signed-off-by: Jon Murphy <jpmurphy@google.com> Change-Id: I15c7c482c4a5ddef22a221794b9ef03f9b7ffe05 Reviewed-on: https://review.coreboot.org/c/coreboot/+/62046 Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/skyrim/variants')
-rw-r--r--src/mainboard/google/skyrim/variants/baseboard/devicetree.cb5
-rw-r--r--src/mainboard/google/skyrim/variants/baseboard/include/baseboard/ec.h80
2 files changed, 85 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
index ed77b0b181..04e0b51f27 100644
--- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
@@ -1,5 +1,10 @@
# SPDX-License-Identifier: GPL-2.0-or-later
chip soc/amd/sabrina
device domain 0 on
+ device ref lpc_bridge on
+ chip ec/google/chromeec
+ device pnp 0c09.0 alias chrome_ec on end
+ end
+ end
end # domain
end # chip soc/amd/sabrina
diff --git a/src/mainboard/google/skyrim/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/skyrim/variants/baseboard/include/baseboard/ec.h
new file mode 100644
index 0000000000..d66d3cb775
--- /dev/null
+++ b/src/mainboard/google/skyrim/variants/baseboard/include/baseboard/ec.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __MAINBOARD_EC_H__
+#define __MAINBOARD_EC_H__
+
+#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) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_CONNECTED) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_LOW) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_CRITICAL) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_BATTERY_STATUS) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_THRESHOLD) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_START) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_STOP) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_MODE_CHANGE) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_USB_MUX))
+
+#define MAINBOARD_EC_SMI_EVENTS (EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED))
+
+/* EC can wake from S5 with lid or power button */
+#define MAINBOARD_EC_S5_WAKE_EVENTS \
+ (EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_POWER_BUTTON))
+
+/* EC can wake from S3 with lid, power button or mode change event */
+#define MAINBOARD_EC_S3_WAKE_EVENTS \
+ (MAINBOARD_EC_S5_WAKE_EVENTS \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_CONNECTED) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_AC_DISCONNECTED) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEY_PRESSED) \
+ | EC_HOST_EVENT_MASK(EC_HOST_EVENT_MODE_CHANGE))
+
+#define MAINBOARD_EC_S0IX_WAKE_EVENTS (MAINBOARD_EC_S3_WAKE_EVENTS)
+
+/* Log EC wake events plus EC shutdown events */
+#define MAINBOARD_EC_LOG_EVENTS \
+ (EC_HOST_EVENT_MASK(EC_HOST_EVENT_THERMAL_SHUTDOWN) \
+ | 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_3 /* eSPI system event -> GPE 3 */
+
+/* Enable LID switch and provide wake pin for EC */
+#define EC_ENABLE_LID_SWITCH
+#define EC_ENABLE_WAKE_PIN GEVENT_5 /* AGPIO 11 -> GPE 5 */
+
+/* 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__ */