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kevin: Handle WARM_RESET_REQ input

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Trigger warm reset on WARM_RESET_REQ assertion.

BUG=chrome-os-partner:51926, chrome-os-partner:51923
BRANCH=None
TEST=Toggle input pins from sysfs (GPIOs 11, 38), verify that ISR is called
and proper action is taken.

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Change-Id: I38ef06bd99a7885647a27cef1a8371ad96c3f051
Reviewed-on: https://chromium-review.googlesource.com/338924
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2016-05-12 12:26:22 -07:00
committed by chrome-bot
parent 541433abaf
commit e41ee0e3eb
2 changed files with 23 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
board/kevin/board.c
View File

@@ -53,6 +53,12 @@ static void overtemp_interrupt(enum gpio_signal signal)
chipset_force_shutdown();
}
static void warm_reset_request_interrupt(enum gpio_signal signal)
{
CPRINTS("WARM_RESET_REQ asserted.");
chipset_reset(0);
}
#include "gpio_list.h"
/******************************************************************************/

33
board/kevin/gpio.inc
View File

@@ -17,26 +17,28 @@ GPIO_INT(USB_C0_PD_INT_L, PIN(6, 0), GPIO_INT_FALLING | GPIO_PULL_UP,
tcpc_alert_event)
GPIO_INT(USB_C1_PD_INT_L, PIN(6, 2), GPIO_INT_FALLING | GPIO_PULL_UP,
tcpc_alert_event)
GPIO_INT(VOLUME_UP_L, PIN(8, 2), GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_UP,
GPIO_INT(VOLUME_UP_L, PIN(8, 2), GPIO_INT_BOTH | GPIO_PULL_UP,
button_interrupt)
GPIO_INT(VOLUME_DOWN_L, PIN(8, 3), GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_UP,
GPIO_INT(VOLUME_DOWN_L, PIN(8, 3), GPIO_INT_BOTH | GPIO_PULL_UP,
button_interrupt)
GPIO_INT(POWER_BUTTON_L, PIN(0, 4), GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_UP,
GPIO_INT(POWER_BUTTON_L, PIN(0, 4), GPIO_INT_BOTH | GPIO_PULL_UP,
power_button_interrupt)
GPIO_INT(LID_OPEN, PIN(9, 7),
GPIO_INT_BOTH | GPIO_INPUT | GPIO_SEL_1P8V, lid_interrupt)
GPIO_INT(LID_OPEN, PIN(9, 7), GPIO_INT_BOTH | GPIO_SEL_1P8V,
lid_interrupt)
GPIO_INT(PP5000_PG, PIN(7, 1),
GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_UP, power_signal_interrupt)
GPIO_INT(TPS65261_PG, PIN(7, 5),
GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_UP, power_signal_interrupt)
GPIO_INT(PP5000_PG, PIN(7, 1), GPIO_INT_BOTH | GPIO_PULL_UP,
power_signal_interrupt)
GPIO_INT(TPS65261_PG, PIN(7, 5), GPIO_INT_BOTH | GPIO_PULL_UP,
power_signal_interrupt)
/* TODO: Remove PD in S3 for power savings */
GPIO_INT(AP_EC_S3_S0_L, PIN(5, 4),
GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_DOWN, power_signal_interrupt)
GPIO_INT(AP_CORE_PG, PIN(6, 7),
GPIO_INT_BOTH | GPIO_INPUT | GPIO_PULL_UP, power_signal_interrupt)
GPIO_INT(AP_OVERTEMP, PIN(7, 4), GPIO_INT_RISING,
overtemp_interrupt)
GPIO_INT(AP_EC_S3_S0_L, PIN(5, 4), GPIO_INT_BOTH | GPIO_PULL_DOWN,
power_signal_interrupt)
GPIO_INT(AP_CORE_PG, PIN(6, 7), GPIO_INT_BOTH | GPIO_PULL_UP,
power_signal_interrupt)
GPIO_INT(WARM_RESET_REQ, PIN(7, 3), GPIO_INT_RISING | GPIO_PULL_DOWN,
warm_reset_request_interrupt)
GPIO_INT(AP_OVERTEMP, PIN(7, 4), GPIO_INT_RISING | GPIO_PULL_DOWN,
overtemp_interrupt)
/* VR EN */
GPIO(AP_CORE_EN, PIN(7, 2), GPIO_OUT_LOW)
@@ -108,7 +110,6 @@ GPIO(LID_360_L, PIN(3, 6), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(BASE_SIXAXIS_INT_L, PIN(4, 0), GPIO_INPUT | GPIO_SEL_1P8V)
GPIO(CCD_MODE_ODL, PIN(6, 3), GPIO_INPUT | GPIO_PULL_UP)
GPIO(PP3300_S0_EN_L, PIN(7, 0), GPIO_OUT_HIGH)
GPIO(WARM_RESET_REQ, PIN(7, 3), GPIO_INPUT)
GPIO(SPI_SENSOR_CS_L, PIN(9, 4), GPIO_OUT_HIGH)
GPIO(USB_C0_DISCHARGE, PIN(0, 3), GPIO_OUT_LOW)