diff options
author | Duncan Laurie <dlaurie@chromium.org> | 2016-10-28 09:13:52 -0700 |
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committer | Duncan Laurie <dlaurie@chromium.org> | 2016-11-01 22:54:25 +0100 |
commit | 81485d2763f461ce28dad2ffc43441c4bae570dd (patch) | |
tree | a41429a0cf17fef0dc7520f69265708ed47ba932 /src/mainboard/google/eve/chromeos.c | |
parent | ec7293652af797b2595bec396bae8cd625afbf8e (diff) | |
download | coreboot-81485d2763f461ce28dad2ffc43441c4bae570dd.tar.xz |
google/eve: Add new board
Add the eve board files using kabylake and FSP 2.0.
BUG=chrome-os-partner:58666
TEST=build and boot on eve board
Change-Id: I7ca71fe052608d710ee65d078df7af7b55d382bc
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/17177
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard/google/eve/chromeos.c')
-rw-r--r-- | src/mainboard/google/eve/chromeos.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mainboard/google/eve/chromeos.c b/src/mainboard/google/eve/chromeos.c new file mode 100644 index 0000000000..63615b3a3e --- /dev/null +++ b/src/mainboard/google/eve/chromeos.c @@ -0,0 +1,86 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Google Inc. + * Copyright (C) 2016 Intel Corporation + * + * 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/io.h> +#include <rules.h> +#include <gpio.h> +#include <soc/gpio.h> +#include <ec/google/chromeec/ec.h> +#include <vendorcode/google/chromeos/chromeos.h> + +#include "gpio.h" +#include "ec.h" + +#if ENV_RAMSTAGE +#include <boot/coreboot_tables.h> + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + struct lb_gpio chromeos_gpios[] = { + {-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"}, + {-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"}, + {-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"}, + {-1, ACTIVE_HIGH, get_lid_switch(), "lid"}, + {-1, ACTIVE_HIGH, 0, "power"}, + {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"}, + {GPIO_EC_IN_RW, ACTIVE_HIGH, + gpio_get(GPIO_EC_IN_RW), "EC in RW"}, + }; + lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); +} +#endif /* ENV_RAMSTAGE */ + +int get_lid_switch(void) +{ + /* Read lid switch state from the EC. */ + return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN); +} + +int get_developer_mode_switch(void) +{ + /* No physical developer mode switch. */ + return 0; +} + +int get_recovery_mode_switch(void) +{ + /* Check if the EC has posted the keyboard recovery event. */ + return !!(google_chromeec_get_events_b() & + EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); +} + +int clear_recovery_mode_switch(void) +{ + /* Clear keyboard recovery event. */ + return google_chromeec_clear_events_b( + EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); +} + +int get_write_protect_state(void) +{ + /* Read PCH_WP GPIO. */ + return gpio_get(GPIO_PCH_WP); +} + +static const struct cros_gpio cros_gpios[] = { + CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME), + CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME), +}; + +void mainboard_chromeos_acpi_generate(void) +{ + chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios)); +} |