asurada: move the hibernate routine into separate file

Move the hibernate routine from baseboard.c to separate hibernate.c
files.

BUG=b:198305804
BRANCH=none
TEST=make BOARD=asurada -j
The interrupt of GPIO_AC_PRESENT can wake up CPU
in hibernate mode.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
Change-Id: I0aea0b812f535c907ac8963fc1f09206dfef5956
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3146773
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Keith Short <keithshort@chromium.org>

3 files changed, 38 insertions, 23 deletions

diff --git a/baseboard/asurada/baseboard.c b/baseboard/asurada/baseboard.c
index 60a9622fa8..c89348a562 100644
--- a/baseboard/asurada/baseboard.c
+++ b/baseboard/asurada/baseboard.c
@@ -52,29 +52,6 @@ enum gpio_signal hibernate_wake_pins[] = {
 };
 int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins);
 
-__override void board_hibernate_late(void)
-{
-	/*
-	 * Turn off PP5000_A. Required for devices without Z-state.
-	 * Don't care for devices with Z-state.
-	 */
-	gpio_set_level(GPIO_EN_PP5000_A, 0);
-
-	/*
-	 * GPIO_EN_SLP_Z not implemented in rev0/1,
-	 * fallback to usual hibernate process.
-	 */
-	if (IS_ENABLED(BOARD_ASURADA) && board_get_version() <= 1)
-		return;
-
-	isl9238c_hibernate(CHARGER_SOLO);
-
-	gpio_set_level(GPIO_EN_SLP_Z, 1);
-
-	/* should not reach here */
-	__builtin_unreachable();
-}
-
 /*
  * I2C channels (A, B, and C) are using the same timing registers (00h~07h)
  * at default.
diff --git a/baseboard/asurada/build.mk b/baseboard/asurada/build.mk
index 5fed63924b..ce7b7272bd 100644
--- a/baseboard/asurada/build.mk
+++ b/baseboard/asurada/build.mk
@@ -9,6 +9,7 @@
 baseboard-y=baseboard.o
 baseboard-y+=board_chipset.o
 baseboard-y+=board_id.o
+baseboard-y+=hibernate.o
 baseboard-y+=regulator.o
 baseboard-y+=usbc_config.o
 baseboard-$(CONFIG_USB_POWER_DELIVERY)+=usb_pd_policy.o
diff --git a/baseboard/asurada/hibernate.c b/baseboard/asurada/hibernate.c
new file mode 100644
index 0000000000..b26bd44adc
--- /dev/null
+++ b/baseboard/asurada/hibernate.c
@@ -0,0 +1,37 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "charger.h"
+#include "driver/charger/isl923x_public.h"
+#include "gpio.h"
+#include "system.h"
+
+/* Hayato board specific hibernate implementation */
+__override void board_hibernate_late(void)
+{
+	/*
+	 * Turn off PP5000_A. Required for devices without Z-state.
+	 * Don't care for devices with Z-state.
+	 */
+	gpio_set_level(GPIO_EN_PP5000_A, 0);
+
+	/*
+	 * GPIO_EN_SLP_Z not implemented in rev0/1,
+	 * fallback to usual hibernate process.
+	 */
+	if (board_get_version() <= 1) {
+		if (IS_ENABLED(BOARD_ASURADA) ||
+			(IS_ENABLED(CONFIG_ZEPHYR) &&
+			IS_ENABLED(CONFIG_BOARD_ASURADA)))
+			return;
+	}
+
+	isl9238c_hibernate(CHARGER_SOLO);
+
+	gpio_set_level(GPIO_EN_SLP_Z, 1);
+
+	/* should not reach here */
+	__builtin_unreachable();
+}