1 files changed, 0 insertions, 286 deletions
diff --git a/power/stoney.c b/power/stoney.c
deleted file mode 100644
index 9bbfc75d33..0000000000
--- a/power/stoney.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/* Copyright 2017 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.
- */
-
-/* Stoney power sequencing module for Chrome EC */
-
-#include "chipset.h"
-#include "common.h"
-#include "console.h"
-#include "ec_commands.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "lid_switch.h"
-#include "power.h"
-#include "power_button.h"
-#include "system.h"
-#include "timer.h"
-#include "usb_charge.h"
-#include "util.h"
-#include "wireless.h"
-#include "registers.h"
-
-/* Console output macros */
-#define CPUTS(outstr) cputs(CC_CHIPSET, outstr)
-#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ##args)
-
-#define IN_S5_PGOOD POWER_SIGNAL_MASK(X86_S5_PGOOD)
-
-static int forcing_shutdown; /* Forced shutdown in progress? */
-
-void chipset_force_shutdown(enum chipset_shutdown_reason reason)
-{
-	CPRINTS("%s()", __func__);
-
-	if (!chipset_in_state(CHIPSET_STATE_ANY_OFF)) {
-		forcing_shutdown = 1;
-		power_button_pch_press();
-		report_ap_reset(reason);
-	}
-}
-
-static void chipset_force_g3(void)
-{
-	/* Disable system power ("*_A" rails) in G3. */
-	gpio_set_level(GPIO_EN_PWR_A, 0);
-}
-
-void chipset_reset(enum chipset_reset_reason reason)
-{
-	CPRINTS("%s: %d", __func__, reason);
-
-	if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) {
-		CPRINTS("Can't reset: SOC is off");
-		return;
-	}
-
-	report_ap_reset(reason);
-	/*
-	 * Send a pulse to SYS_RST to trigger a warm reset.
-	 */
-	gpio_set_level(GPIO_SYS_RESET_L, 0);
-	usleep(32 * MSEC);
-	gpio_set_level(GPIO_SYS_RESET_L, 1);
-}
-
-void chipset_throttle_cpu(int throttle)
-{
-	CPRINTS("%s(%d)", __func__, throttle);
-	if (IS_ENABLED(CONFIG_CPU_PROCHOT_ACTIVE_LOW))
-		throttle = !throttle;
-
-	if (chipset_in_state(CHIPSET_STATE_ON))
-		gpio_set_level(GPIO_CPU_PROCHOT, throttle);
-}
-
-void chipset_handle_espi_reset_assert(void)
-{
-	/*
-	 * eSPI_Reset# pin being asserted without RSMRST# being asserted
-	 * means there is an unexpected power loss (global reset event).
-	 * In this case, check if the shutdown is forced by the EC (due
-	 * to battery, thermal, or console command). The forced shutdown
-	 * initiates a power button press that we need to release.
-	 *
-	 * NOTE: S5_PGOOD input is passed through to the RSMRST# output to
-	 * the AP.
-	 */
-	if ((power_get_signals() & IN_S5_PGOOD) && forcing_shutdown) {
-		power_button_pch_release();
-		forcing_shutdown = 0;
-	}
-}
-
-enum power_state power_chipset_init(void)
-{
-	/* Pause in S5 when shutting down. */
-	power_set_pause_in_s5(1);
-
-	/*
-	 * If we're switching between images without rebooting, see if the x86
-	 * is already powered on; if so, leave it there instead of cycling
-	 * through G3.
-	 */
-	if (system_jumped_to_this_image()) {
-		if (gpio_get_level(GPIO_S0_PGOOD)) {
-			/* Disable idle task deep sleep when in S0. */
-			disable_sleep(SLEEP_MASK_AP_RUN);
-
-			CPRINTS("already in S0");
-			return POWER_S0;
-		}
-
-		CPRINTS("forcing G3");
-		chipset_force_g3();
-	}
-	return POWER_G3;
-}
-
-static void handle_pass_through(enum gpio_signal pin_in,
-				enum gpio_signal pin_out)
-{
-	/*
-	 * Pass through asynchronously, as SOC may not react
-	 * immediately to power changes.
-	 */
-	int in_level = gpio_get_level(pin_in);
-	int out_level = gpio_get_level(pin_out);
-
-	/*
-	 * Only pass through high S0_PGOOD (S0 power) when S5_PGOOD (S5 power)
-	 * is also high (S0_PGOOD is pulled high in G3 when S5_PGOOD is low).
-	 */
-	if ((pin_in == GPIO_S0_PGOOD) && !gpio_get_level(GPIO_S5_PGOOD))
-		in_level = 0;
-
-	/* Nothing to do. */
-	if (in_level == out_level)
-		return;
-
-	/*
-	 * SOC requires a delay of 1ms with stable power before
-	 * asserting PWR_GOOD.
-	 */
-	if ((pin_in == GPIO_S0_PGOOD) && in_level)
-		msleep(1);
-
-	gpio_set_level(pin_out, in_level);
-
-	CPRINTS("Pass through %s: %d", gpio_get_name(pin_in), in_level);
-}
-
-enum power_state power_handle_state(enum power_state state)
-{
-	handle_pass_through(GPIO_S5_PGOOD, GPIO_PCH_RSMRST_L);
-
-	handle_pass_through(GPIO_S0_PGOOD, GPIO_PCH_SYS_PWROK);
-
-	if (state == POWER_S5 && forcing_shutdown) {
-		power_button_pch_release();
-		forcing_shutdown = 0;
-	}
-
-	switch (state) {
-	case POWER_G3:
-		break;
-
-	case POWER_G3S5:
-		/* Exit SOC G3 */
-		/* Enable system power ("*_A" rails) in S5. */
-		gpio_set_level(GPIO_EN_PWR_A, 1);
-
-		/*
-		 * Callback to do pre-initialization within the context of
-		 * chipset task.
-		 */
-		if (IS_ENABLED(CONFIG_CHIPSET_HAS_PRE_INIT_CALLBACK))
-			chipset_pre_init_callback();
-
-		if (power_wait_signals(IN_S5_PGOOD)) {
-			chipset_force_g3();
-			return POWER_G3;
-		}
-
-		CPRINTS("Exit SOC G3");
-
-		return POWER_S5;
-
-	case POWER_S5:
-		if (!power_has_signals(IN_S5_PGOOD)) {
-			/* Required rail went away */
-			return POWER_S5G3;
-		} else if (gpio_get_level(GPIO_PCH_SLP_S5_L) == 1) {
-			/* Power up to next state */
-			return POWER_S5S3;
-		}
-		break;
-
-	case POWER_S5S3:
-		if (!power_has_signals(IN_S5_PGOOD)) {
-			/* Required rail went away */
-			return POWER_S5G3;
-		}
-
-		/* Call hooks now that rails are up */
-		hook_notify(HOOK_CHIPSET_STARTUP);
-
-		return POWER_S3;
-
-	case POWER_S3:
-		if (!power_has_signals(IN_S5_PGOOD)) {
-			/* Required rail went away */
-			return POWER_S5G3;
-		} else if (gpio_get_level(GPIO_PCH_SLP_S3_L) == 1) {
-			/* Power up to next state */
-			return POWER_S3S0;
-		} else if (gpio_get_level(GPIO_PCH_SLP_S5_L) == 0) {
-			/* Power down to next state */
-			return POWER_S3S5;
-		}
-		break;
-
-	case POWER_S3S0:
-		if (!power_has_signals(IN_S5_PGOOD)) {
-			/* Required rail went away */
-			return POWER_S5G3;
-		}
-
-		/* Enable wireless */
-		wireless_set_state(WIRELESS_ON);
-
-		/* Call hooks now that rails are up */
-		hook_notify(HOOK_CHIPSET_RESUME);
-
-		/*
-		 * Disable idle task deep sleep. This means that the low
-		 * power idle task will not go into deep sleep while in S0.
-		 */
-		disable_sleep(SLEEP_MASK_AP_RUN);
-
-		return POWER_S0;
-
-	case POWER_S0:
-		if (!power_has_signals(IN_S5_PGOOD)) {
-			/* Required rail went away */
-			return POWER_S5G3;
-		} else if (gpio_get_level(GPIO_PCH_SLP_S3_L) == 0) {
-			/* Power down to next state */
-			return POWER_S0S3;
-		}
-		break;
-
-	case POWER_S0S3:
-		/* Call hooks before we remove power rails */
-		hook_notify(HOOK_CHIPSET_SUSPEND);
-
-		/* Suspend wireless */
-		wireless_set_state(WIRELESS_SUSPEND);
-
-		/*
-		 * Enable idle task deep sleep. Allow the low power idle task
-		 * to go into deep sleep in S3 or lower.
-		 */
-		enable_sleep(SLEEP_MASK_AP_RUN);
-
-		return POWER_S3;
-
-	case POWER_S3S5:
-		/* Call hooks before we remove power rails */
-		hook_notify(HOOK_CHIPSET_SHUTDOWN);
-
-		/* Disable wireless */
-		wireless_set_state(WIRELESS_OFF);
-
-		return POWER_S5;
-
-	case POWER_S5G3:
-		chipset_force_g3();
-
-		return POWER_G3;
-
-	default:
-		break;
-	}
-	return state;
-}