diff options
author | Duncan Laurie <dlaurie@chromium.org> | 2013-05-22 16:31:09 -0700 |
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committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-11-25 23:37:48 +0100 |
commit | 5290f71569d1bf8b6fa80d34f4b176407082fec8 (patch) | |
tree | e00fc5374ae6dd041745cf6e4a7121185b46087d /src/mainboard/google/falco/chromeos.c | |
parent | 619eca0685ef2c7777ff0d741730a29af5db05a0 (diff) | |
download | coreboot-5290f71569d1bf8b6fa80d34f4b176407082fec8.tar.xz |
falco: Initial mainboard commit
- Only the first two DIMM SPDs are specified so far
- GPIO map is updated
- iSSD power sequencing removed
- USB port map updated
Change-Id: I4172460d3b075bfd5bb22013a6225cf0e8f95b9c
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/56329
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4184
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/google/falco/chromeos.c')
-rw-r--r-- | src/mainboard/google/falco/chromeos.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/mainboard/google/falco/chromeos.c b/src/mainboard/google/falco/chromeos.c new file mode 100644 index 0000000000..1b70fdeafc --- /dev/null +++ b/src/mainboard/google/falco/chromeos.c @@ -0,0 +1,114 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Google Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <string.h> +#include <vendorcode/google/chromeos/chromeos.h> +#include <arch/io.h> +#include <device/device.h> +#include <device/pci.h> +#include <southbridge/intel/lynxpoint/pch.h> + +#if CONFIG_EC_GOOGLE_CHROMEEC +#include "ec.h" +#include <ec/google/chromeec/ec.h> +#endif + +#ifndef __PRE_RAM__ +#include <boot/coreboot_tables.h> + +#define GPIO_COUNT 6 +#define ACTIVE_LOW 0 +#define ACTIVE_HIGH 1 + +static int get_lid_switch(void) +{ +#if CONFIG_EC_GOOGLE_CHROMEEC + u8 ec_switches = inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_SWITCHES); + + return !!(ec_switches & EC_SWITCH_LID_OPEN); +#else + return 0; +#endif +} + +static void fill_lb_gpio(struct lb_gpio *gpio, int num, + int polarity, const char *name, int force) +{ + memset(gpio, 0, sizeof(*gpio)); + gpio->port = num; + gpio->polarity = polarity; + if (force >= 0) + gpio->value = force; + else if (num >= 0) + gpio->value = get_gpio(num); + strncpy((char *)gpio->name, name, GPIO_MAX_NAME_LENGTH); +} + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + struct lb_gpio *gpio; + + gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio)); + gpios->count = GPIO_COUNT; + + gpio = gpios->gpios; + fill_lb_gpio(gpio++, 58, ACTIVE_HIGH, "write protect", 0); + fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery", + get_recovery_mode_switch()); + fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer", + get_developer_mode_switch()); + fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", + get_lid_switch()); + fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0); + fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", oprom_is_loaded); +} +#endif + +/* The dev-switch is virtual */ +int get_developer_mode_switch(void) +{ + return 1; +} + +/* There are actually two recovery switches. One is the magic keyboard chord, + * the other is driven by Servo. */ +int get_recovery_mode_switch(void) +{ +#if CONFIG_EC_GOOGLE_CHROMEEC + u8 ec_switches = inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_SWITCHES); + u32 ec_events; + + /* If a switch is set, we don't need to look at events. */ + if (ec_switches & (EC_SWITCH_DEDICATED_RECOVERY)) + return 1; + + /* Else check if the EC has posted the keyboard recovery event. */ + ec_events = google_chromeec_get_events_b(); + + return !!(ec_events & + EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); +#else + return 0; +#endif +} + +int get_write_protect_state(void) +{ + return get_gpio(58); +} |