From 4e16a2ea17a1b104507aeed8fca9c35750728248 Mon Sep 17 00:00:00 2001 From: Tom Warren Date: Wed, 19 Mar 2014 14:19:09 -0700 Subject: blaze: Create a nyan_blaze mainboard, copied from nyan_big The nyan_blaze board will have different BCT .inc files, to be added/updated later. GPIOs and some devicetree stuff may also differ. BUG=None TEST=Built nyan, nyan_big and nyan_blaze. BRANCH=None Original-Change-Id: I8b16fc71346cf973983aa046096b79cb83ad4bb6 Original-Signed-off-by: Tom Warren Original-Reviewed-on: https://chromium-review.googlesource.com/190721 Original-Reviewed-by: Gabe Black Original-Tested-by: Julius Werner (cherry picked from commit bea753131e2247a90cc5359fa5f603026d66c7ce) Signed-off-by: Marc Jones Change-Id: I435ae78da2f6c4f1a78fea8300b6285e52272535 Reviewed-on: http://review.coreboot.org/7453 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks --- src/mainboard/google/nyan_blaze/chromeos.c | 103 +++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 src/mainboard/google/nyan_blaze/chromeos.c (limited to 'src/mainboard/google/nyan_blaze/chromeos.c') diff --git a/src/mainboard/google/nyan_blaze/chromeos.c b/src/mainboard/google/nyan_blaze/chromeos.c new file mode 100644 index 0000000000..16f0c9878e --- /dev/null +++ b/src/mainboard/google/nyan_blaze/chromeos.c @@ -0,0 +1,103 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 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 +#include +#include +#include +#include +#include +#include + +//enum { +// ACTIVE_LOW = 0, +// ACTIVE_HIGH = 1 +//}; + +void fill_lb_gpios(struct lb_gpios *gpios) +{ + int count = 0; + + /* Write Protect: active low */ + gpios->gpios[count].port = GPIO_R1_INDEX; + gpios->gpios[count].polarity = ACTIVE_LOW; + gpios->gpios[count].value = gpio_get_in_value(GPIO(R1)); + strncpy((char *)gpios->gpios[count].name, "write protect", + GPIO_MAX_NAME_LENGTH); + count++; + + /* Recovery: active high */ + gpios->gpios[count].port = -1; + gpios->gpios[count].polarity = ACTIVE_HIGH; + gpios->gpios[count].value = get_recovery_mode_switch(); + strncpy((char *)gpios->gpios[count].name, "recovery", + GPIO_MAX_NAME_LENGTH); + count++; + + /* Lid: active high */ + gpios->gpios[count].port = GPIO_R4_INDEX; + gpios->gpios[count].polarity = ACTIVE_HIGH; + gpios->gpios[count].value = gpio_get_in_value(GPIO(R4)); + strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH); + count++; + + /* Power: active low */ + gpios->gpios[count].port = GPIO_Q0_INDEX; + gpios->gpios[count].polarity = ACTIVE_LOW; + gpios->gpios[count].value = gpio_get_in_value(GPIO(Q0)); + strncpy((char *)gpios->gpios[count].name, "power", + GPIO_MAX_NAME_LENGTH); + count++; + + /* Developer: virtual GPIO active high */ + gpios->gpios[count].port = -1; + gpios->gpios[count].polarity = ACTIVE_HIGH; + gpios->gpios[count].value = get_developer_mode_switch(); + strncpy((char *)gpios->gpios[count].name, "developer", + GPIO_MAX_NAME_LENGTH); + count++; + + gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio)); + gpios->count = count; + + printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size); +} + +int get_developer_mode_switch(void) +{ + return 0; +} + +int get_recovery_mode_switch(void) +{ + uint32_t ec_events; + + /* The GPIO is active low. */ + if (!gpio_get_in_value(GPIO(Q7))) // RECMODE_GPIO + return 1; + + ec_events = google_chromeec_get_events_b(); + return !!(ec_events & + EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); +} + +int get_write_protect_state(void) +{ + return !gpio_get_in_value(GPIO(R1)); +} -- cgit v1.2.3