Furquan Shaikh has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/31100 )
Change subject: mb/google/hatch: Enable AP Wake from EC ......................................................................
mb/google/hatch: Enable AP Wake from EC
Initialize EC_PCH_WAKE_ODL GPIO to make sure that ec events will wake the AP from suspend. Also create a task to initialize the hostevent wake mask properly.
BUG=b:123325238,b:123325720 BRANCH=None TEST=from AP console: powerd_dbus_suspend from EC console: hostevent (make sure wake mask set) from EC console: gpioset PCH_WAKE_L 0 Make sure device wakes up Also, checked to make sure keyboard press wakes up device from S3.
Change-Id: I53d5291a6b9ab9a21e89ccd21f172180ce473bd5 Signed-off-by: Shelley Chen shchen@google.com Reviewed-on: https://review.coreboot.org/c/31100 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Furquan Shaikh furquan@google.com --- M src/mainboard/google/hatch/Makefile.inc A src/mainboard/google/hatch/ec.c M src/mainboard/google/hatch/ramstage.c M src/mainboard/google/hatch/variants/baseboard/devicetree.cb M src/mainboard/google/hatch/variants/baseboard/gpio.c M src/mainboard/google/hatch/variants/baseboard/include/baseboard/ec.h 6 files changed, 46 insertions(+), 1 deletion(-)
Approvals: build bot (Jenkins): Verified Furquan Shaikh: Looks good to me, approved
diff --git a/src/mainboard/google/hatch/Makefile.inc b/src/mainboard/google/hatch/Makefile.inc index ca8c7f2..3f35f82 100644 --- a/src/mainboard/google/hatch/Makefile.inc +++ b/src/mainboard/google/hatch/Makefile.inc @@ -18,6 +18,7 @@
ramstage-y += ramstage.c ramstage-$(CONFIG_CHROMEOS) += chromeos.c +ramstage-$(CONFIG_EC_GOOGLE_CHROMEEC) += ec.c
romstage-y += romstage.c romstage-$(CONFIG_CHROMEOS) += chromeos.c diff --git a/src/mainboard/google/hatch/ec.c b/src/mainboard/google/hatch/ec.c new file mode 100644 index 0000000..9fb3d80 --- /dev/null +++ b/src/mainboard/google/hatch/ec.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <arch/acpi.h> +#include <ec/ec.h> +#include <ec/google/chromeec/ec.h> +#include <variant/ec.h> + +void mainboard_ec_init(void) +{ + const struct google_chromeec_event_info info = { + .log_events = MAINBOARD_EC_LOG_EVENTS, + .sci_events = MAINBOARD_EC_SCI_EVENTS, + .s3_wake_events = MAINBOARD_EC_S3_WAKE_EVENTS, + .s5_wake_events = MAINBOARD_EC_S5_WAKE_EVENTS, + .s0ix_wake_events = MAINBOARD_EC_S0IX_WAKE_EVENTS, + }; + + google_chromeec_events_init(&info, acpi_is_wakeup_s3()); +} diff --git a/src/mainboard/google/hatch/ramstage.c b/src/mainboard/google/hatch/ramstage.c index d139eff..b8e80e7 100644 --- a/src/mainboard/google/hatch/ramstage.c +++ b/src/mainboard/google/hatch/ramstage.c @@ -15,6 +15,7 @@
#include <arch/acpi.h> #include <baseboard/variants.h> +#include <ec/ec.h> #include <soc/ramstage.h> #include <variant/gpio.h> #include <vendorcode/google/chromeos/chromeos.h> @@ -30,6 +31,8 @@
static void mainboard_enable(struct device *dev) { + mainboard_ec_init(); + dev->ops->acpi_inject_dsdt_generator = chromeos_dsdt_generator; }
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb index 30a282b..cea64e4 100644 --- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb @@ -250,7 +250,11 @@ end end # GSPI #0 device pci 1e.3 off end # GSPI #1 - device pci 1f.0 on end # LPC/eSPI + device pci 1f.0 on + chip ec/google/chromeec + device pnp 0c09.0 on end + end + end # eSPI Interface device pci 1f.1 on end # P2SB device pci 1f.2 on end # Power Management Controller device pci 1f.3 off end # Intel HDA diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c index ade9ed2..a078997 100644 --- a/src/mainboard/google/hatch/variants/baseboard/gpio.c +++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c @@ -143,6 +143,9 @@ PAD_CFG_NF(GPP_G6, NONE, DEEP, NF1), /* SD_WP => NC */ PAD_NC(GPP_G7, DN_20K), + + /* GPD2: LAN_WAKE# ==> EC_PCH_WAKE_OD */ + PAD_CFG_NF(GPD2, NONE, DEEP, NF1), };
const struct pad_config *__weak variant_gpio_table(size_t *num) diff --git a/src/mainboard/google/hatch/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/hatch/variants/baseboard/include/baseboard/ec.h index c60699e..f9cebd7 100644 --- a/src/mainboard/google/hatch/variants/baseboard/include/baseboard/ec.h +++ b/src/mainboard/google/hatch/variants/baseboard/include/baseboard/ec.h @@ -52,6 +52,8 @@ 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) |\