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authorAseda Aboagye <aaboagye@google.com>2018-05-14 23:51:59 -0700
committerchrome-bot <chrome-bot@chromium.org>2018-05-22 15:54:05 -0700
commitfc8b1ab52c6f5d556f91a3b8f4ce6a8ef437ae70 (patch)
tree86f16b34b3bf51502560fc9ae5d17b603ed8c078
parentad8a61232105e028fea1e7c6ee420e05fcd98637 (diff)
downloadchrome-ec-fc8b1ab52c6f5d556f91a3b8f4ce6a8ef437ae70.tar.gz
nocturne: Fix EC hibernate.
This commit adds the appropriate hibernate flags to the hibernate wake pins. It additionally, adds a board specific hibernate function which sets up the PSL pins for wake as well as writing to the ROP PMIC to disable all the power rails. BUG=b:79713379 BRANCH=poppy TEST=Enter `hibernate` on EC console, verify that system can wake from AC insertion, power button press, and lid switch. Change-Id: I5b197c3c4d54cfc9c0b00c19815faa019f8b8cae Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/1067892 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Furquan Shaikh <furquan@chromium.org> Reviewed-by: Mulin Chao <mlchao@nuvoton.com>
-rw-r--r--board/nocturne/board.c24
-rw-r--r--board/nocturne/gpio.inc4
2 files changed, 26 insertions, 2 deletions
diff --git a/board/nocturne/board.c b/board/nocturne/board.c
index 0c812f71ca..180314ee7d 100644
--- a/board/nocturne/board.c
+++ b/board/nocturne/board.c
@@ -31,6 +31,7 @@
#include "pwm_chip.h"
#include "registers.h"
#include "system.h"
+#include "system_chip.h"
#include "switch.h"
#include "task.h"
#include "tcpci.h"
@@ -323,6 +324,29 @@ int board_get_version(void)
return board_version;
}
+void board_hibernate(void)
+{
+ int p;
+
+ /* Configure PSL pins */
+ for (p = 0; p < hibernate_wake_pins_used; p++)
+ system_config_psl_mode(hibernate_wake_pins[p]);
+
+ /*
+ * Enter PSL mode. Note that on Nocturne, simply enabling PSL mode does
+ * not cut the EC's power. Therefore, we'll need to cut off power via
+ * the ROP PMIC afterwards.
+ */
+ system_enter_psl_mode();
+
+ /* Cut off DSW power via the ROP PMIC. */
+ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x49, 0x1);
+
+ /* Wait for power to be cut. */
+ while (1)
+ ;
+}
+
static void board_init(void)
{
/* Enable sensor interrupts. */
diff --git a/board/nocturne/gpio.inc b/board/nocturne/gpio.inc
index 837ee37056..8886c5ead2 100644
--- a/board/nocturne/gpio.inc
+++ b/board/nocturne/gpio.inc
@@ -22,14 +22,14 @@ GPIO_INT(SLP_S0_L, PIN(A, 4), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(SLP_S4_L, PIN(A, 3), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(SLP_S3_L, PIN(A, 6), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(SLP_SUS_L_PCH, PIN(D, 4), GPIO_INT_BOTH, power_signal_interrupt)
-GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH, extpower_interrupt)
+GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, extpower_interrupt)
GPIO_INT(ROP_INT_L, PIN(D, 5), GPIO_INT_BOTH | GPIO_PULL_UP, power_signal_interrupt)
/* Misc. interrupts */
GPIO_INT(H1_EC_VOL_DOWN_ODL, PIN(6, 3), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt)
GPIO_INT(H1_EC_VOL_UP_ODL, PIN(7, 5), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt)
GPIO_INT(EC_WP_L, PIN(A, 1), GPIO_INT_BOTH, switch_interrupt)
-GPIO_INT(LID_OPEN, PIN(D, 2), GPIO_INT_BOTH, lid_interrupt)
+GPIO_INT(LID_OPEN, PIN(D, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, lid_interrupt)
GPIO_INT(ACCELGYRO3_INT_L, PIN(4, 1), GPIO_INT_FALLING, bmi160_interrupt)
GPIO_INT(BASE_PWR_FAULT_ODL, PIN(2, 4), GPIO_INT_FALLING, base_pwr_fault_interrupt)
GPIO_INT(RCAM_VSYNC, PIN(E, 4), GPIO_INT_FALLING, sync_interrupt)