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authorKarthikeyan Ramasubramanian <kramasub@google.com>2020-01-07 16:21:10 -0700
committerFurquan Shaikh <furquan@google.com>2020-01-27 04:48:12 +0000
commit501e3c1837ba527ba8e49753688ca73af022df51 (patch)
treee0014e9919aebb33f8b5f635142274ec36b6e89c /src/mainboard/google/dedede/variants/baseboard
parentb7b11475c16b658698d1adcc9dbc0d969eddb9bd (diff)
mb/google/dedede: Enable EC
Perform EC initialization in bootblock and ramstages. Add associated ACPI configuration. BUG=b:144768001 TEST=Build Test. Change-Id: Ib31ae190818c8870bdd46ea6c3d9ca70dc0485cc Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38282 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google/dedede/variants/baseboard')
-rw-r--r--src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h82
-rw-r--r--src/mainboard/google/dedede/variants/baseboard/include/baseboard/gpio.h6
2 files changed, 88 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h
new file mode 100644
index 0000000000..2f0024c37a
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/ec.h
@@ -0,0 +1,82 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2020 The coreboot project Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __BASEBOARD_EC_H__
+#define __BASEBOARD_EC_H__
+
+#include <ec/ec.h>
+#include <ec/google/chromeec/ec_commands.h>
+#include <baseboard/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_USB_CHARGER) |\
+ EC_HOST_EVENT_MASK(EC_HOST_EVENT_MKBP) |\
+ EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU) |\
+ EC_HOST_EVENT_MASK(EC_HOST_EVENT_MODE_CHANGE))
+
+#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/S0ix with:
+ * 1. Lid open
+ * 2. Power button
+ * 3. Key press
+ * 4. Mode change
+ */
+#define MAINBOARD_EC_S3_WAKE_EVENTS \
+ (MAINBOARD_EC_S5_WAKE_EVENTS |\
+ 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.
+ */
+
+/* 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 GPE_EC_WAKE
+
+/* Enable Tablet switch */
+#define EC_ENABLE_TBMC_DEVICE
+
+/* Enable EC backed PD MCU device in ACPI */
+#define EC_ENABLE_PD_MCU_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 */
+
+#endif /* __BASEBOARD_EC_H__ */
diff --git a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/gpio.h b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/gpio.h
index 55faf01850..fe9c0c5c75 100644
--- a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/gpio.h
+++ b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/gpio.h
@@ -12,4 +12,10 @@
#include <soc/gpe.h>
#include <soc/gpio.h>
+/* eSPI virtual wire reporting */
+#define EC_SCI_GPI GPE0_ESPI
+
+/* EC wake is LAN_WAKE# which is a special DeepSX wake pin */
+#define GPE_EC_WAKE GPE0_LAN_WAK
+
#endif /* __BASEBOARD_GPIO_H__ */