wpsw_boot is deprecated in favour of wpsw_cur. As such, coreboot no longer needs to share "write protect" GPIO with depthcharge. BUG=b:124141368, chromium:950273 TEST=make clean && make test-abuild BRANCH=none Change-Id: I2fcb7f82aa063fd72928171af5cbef0356ba620c Signed-off-by: Joel Kitching <kitching@google.com> Cq-Depend: chromium:2088434 Reviewed-on: https://review.coreboot.org/c/coreboot/+/39318 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright 2014 Rockchip 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.
|
|
*/
|
|
|
|
#include <boot/coreboot_tables.h>
|
|
#include <ec/google/chromeec/ec.h>
|
|
#include <ec/google/chromeec/ec_commands.h>
|
|
#include <gpio.h>
|
|
#include <vendorcode/google/chromeos/chromeos.h>
|
|
|
|
#include "board.h"
|
|
|
|
#define GPIO_WP GPIO(7, A, 6)
|
|
#define GPIO_LID GPIO(0, A, 6)
|
|
#define GPIO_POWER GPIO(0, A, 5)
|
|
#define GPIO_RECOVERY GPIO(0, B, 1)
|
|
#define GPIO_ECINRW GPIO(0, A, 7)
|
|
#define GPIO_ECIRQ GPIO(7, A, 7)
|
|
|
|
void setup_chromeos_gpios(void)
|
|
{
|
|
gpio_input(GPIO_WP);
|
|
gpio_input_pullup(GPIO_LID);
|
|
gpio_input(GPIO_POWER);
|
|
gpio_input_pullup(GPIO_RECOVERY);
|
|
gpio_input(GPIO_ECIRQ);
|
|
}
|
|
|
|
void fill_lb_gpios(struct lb_gpios *gpios)
|
|
{
|
|
struct lb_gpio chromeos_gpios[] = {
|
|
{GPIO_RECOVERY.raw, ACTIVE_LOW,
|
|
!get_recovery_mode_switch(), "presence"},
|
|
{GPIO_LID.raw, ACTIVE_HIGH, -1, "lid"},
|
|
{GPIO_POWER.raw, ACTIVE_LOW, -1, "power"},
|
|
{GPIO_ECINRW.raw, ACTIVE_HIGH, -1, "EC in RW"},
|
|
{GPIO_ECIRQ.raw, ACTIVE_LOW, -1, "EC interrupt"},
|
|
{GPIO_RESET.raw, ACTIVE_HIGH, -1, "reset"},
|
|
{GPIO_BACKLIGHT.raw, ACTIVE_HIGH, -1, "backlight"},
|
|
};
|
|
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
|
|
}
|
|
|
|
int get_recovery_mode_switch(void)
|
|
{
|
|
uint64_t ec_events;
|
|
|
|
/* The GPIO is active low. */
|
|
if (!gpio_get(GPIO_RECOVERY))
|
|
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(GPIO_WP);
|
|
}
|