mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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system_hibernate(0, 0) now hibernates until a wake pin assert, with no RTC wake. BUG=none TEST=manual command -> expected reset flags from 'sysinfo' 1. reboot -> soft 2. reboot hard -> power-on hard 3. hibernate (and press power button) -> power-on wake-pin 4. hibernate 3 (and wait for timeout) -> power-on rtc-alarm 5. hibernate 10 (and press power button before 10 sec) -> power-on wake-pin hibdelay 10 then shut system down and run on battery 10 sec later, system should hibernate. Change-Id: I399413d265f6fcf808adf9ed1db7b812a1b12fc2 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/29923 Reviewed-by: Vic Yang <victoryang@chromium.org>
785 lines
20 KiB
C
785 lines
20 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* X86 chipset power control module for Chrome EC */
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#include "board.h"
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#include "chipset.h"
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#include "console.h"
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#include "gpio.h"
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#include "hooks.h"
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#include "host_command.h"
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#include "power_button.h"
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#include "system.h"
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#include "task.h"
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#include "timer.h"
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#include "util.h"
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#include "x86_power.h"
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/* Console output macros */
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#define CPUTS(outstr) cputs(CC_CHIPSET, outstr)
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#define CPRINTF(format, args...) cprintf(CC_CHIPSET, format, ## args)
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/*
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* Default timeout in us; if we've been waiting this long for an input
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* transition, just jump to the next state.
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*/
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#define DEFAULT_TIMEOUT 1000000
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/* Timeout for dropping back from S5 to G3 */
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#define S5_INACTIVITY_TIMEOUT 10000000
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enum x86_state {
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X86_G3 = 0, /*
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* System is off (not technically all the
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* way into G3, which means totally
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* unpowered...)
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*/
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X86_S5, /* System is soft-off */
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X86_S3, /* Suspend; RAM on, processor is asleep */
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X86_S0, /* System is on */
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/* Transitions */
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X86_G3S5, /* G3 -> S5 (at system init time) */
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X86_S5S3, /* S5 -> S3 */
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X86_S3S0, /* S3 -> S0 */
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X86_S0S3, /* S0 -> S3 */
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X86_S3S5, /* S3 -> S5 */
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X86_S5G3, /* S5 -> G3 */
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};
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static const char * const state_names[] = {
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"G3",
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"S5",
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"S3",
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"S0",
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"G3->S5",
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"S5->S3",
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"S3->S0",
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"S0->S3",
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"S3->S5",
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"S5->G3",
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};
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/* Input state flags */
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#define IN_PGOOD_5VALW 0x0001
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#define IN_PGOOD_1_5V_DDR 0x0002
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#define IN_PGOOD_1_5V_PCH 0x0004
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#define IN_PGOOD_1_8VS 0x0008
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#define IN_PGOOD_VCCP 0x0010
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#define IN_PGOOD_VCCSA 0x0020
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#define IN_PGOOD_CPU_CORE 0x0040
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#define IN_PGOOD_VGFX_CORE 0x0080
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#define IN_PCH_SLP_S3n_DEASSERTED 0x0100
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#define IN_PCH_SLP_S4n_DEASSERTED 0x0200
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#define IN_PCH_SLP_S5n_DEASSERTED 0x0400
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#define IN_PCH_SLP_An_DEASSERTED 0x0800
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#define IN_PCH_SLP_SUSn_DEASSERTED 0x1000
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#define IN_PCH_SLP_MEn_DEASSERTED 0x2000
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#define IN_PCH_SUSWARNn_DEASSERTED 0x4000
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/* All always-on supplies */
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#define IN_PGOOD_ALWAYS_ON (IN_PGOOD_5VALW)
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/* All non-core power rails */
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#define IN_PGOOD_ALL_NONCORE (IN_PGOOD_1_5V_DDR | IN_PGOOD_1_5V_PCH | \
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IN_PGOOD_1_8VS | IN_PGOOD_VCCP | IN_PGOOD_VCCSA)
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/* All core power rails */
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#define IN_PGOOD_ALL_CORE (IN_PGOOD_CPU_CORE | IN_PGOOD_VGFX_CORE)
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/* All PM_SLP signals from PCH deasserted */
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#define IN_ALL_PM_SLP_DEASSERTED (IN_PCH_SLP_S3n_DEASSERTED | \
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IN_PCH_SLP_S4n_DEASSERTED | \
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IN_PCH_SLP_S5n_DEASSERTED | \
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IN_PCH_SLP_An_DEASSERTED)
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/* All inputs in the right state for S0 */
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#define IN_ALL_S0 (IN_PGOOD_ALWAYS_ON | IN_PGOOD_ALL_NONCORE | \
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IN_PGOOD_CPU_CORE | IN_ALL_PM_SLP_DEASSERTED)
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static enum x86_state state = X86_G3; /* Current state */
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static uint32_t in_signals; /* Current input signal states (IN_PGOOD_*) */
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static uint32_t in_want; /* Input signal state we're waiting for */
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static uint32_t in_debug; /* Signal values which print debug output */
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static int want_g3_exit; /* Should we exit the G3 state? */
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static int throttle_cpu; /* Throttle CPU? */
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/* When did we enter G3? */
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static uint64_t last_shutdown_time;
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/* Delay before go into hibernation in seconds*/
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static uint32_t hibernate_delay = 86400; /* 24 Hrs */
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/* Update input signal state */
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static void update_in_signals(void)
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{
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uint32_t inew = 0;
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int v;
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if (gpio_get_level(GPIO_PGOOD_5VALW))
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inew |= IN_PGOOD_5VALW;
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if (gpio_get_level(GPIO_PGOOD_1_5V_DDR))
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inew |= IN_PGOOD_1_5V_DDR;
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if (gpio_get_level(GPIO_PGOOD_1_5V_PCH))
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inew |= IN_PGOOD_1_5V_PCH;
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if (gpio_get_level(GPIO_PGOOD_1_8VS))
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inew |= IN_PGOOD_1_8VS;
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if (gpio_get_level(GPIO_PGOOD_VCCP))
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inew |= IN_PGOOD_VCCP;
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if (gpio_get_level(GPIO_PGOOD_VCCSA))
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inew |= IN_PGOOD_VCCSA;
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if (gpio_get_level(GPIO_PGOOD_CPU_CORE))
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inew |= IN_PGOOD_CPU_CORE;
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if (gpio_get_level(GPIO_PGOOD_VGFX_CORE))
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inew |= IN_PGOOD_VGFX_CORE;
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if (gpio_get_level(GPIO_PCH_SLP_An))
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inew |= IN_PCH_SLP_An_DEASSERTED;
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if (gpio_get_level(GPIO_PCH_SLP_S3n))
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inew |= IN_PCH_SLP_S3n_DEASSERTED;
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if (gpio_get_level(GPIO_PCH_SLP_S4n))
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inew |= IN_PCH_SLP_S4n_DEASSERTED;
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if (gpio_get_level(GPIO_PCH_SLP_S5n))
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inew |= IN_PCH_SLP_S5n_DEASSERTED;
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if (gpio_get_level(GPIO_PCH_SLP_SUSn))
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inew |= IN_PCH_SLP_SUSn_DEASSERTED;
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if (gpio_get_level(GPIO_PCH_SLP_ME_CSW_DEVn))
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inew |= IN_PCH_SLP_MEn_DEASSERTED;
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v = gpio_get_level(GPIO_PCH_SUSWARNn);
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if (v)
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inew |= IN_PCH_SUSWARNn_DEASSERTED;
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/* Copy SUSWARN# signal from PCH to SUSACK# */
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gpio_set_level(GPIO_PCH_SUSACKn, v);
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if ((in_signals & in_debug) != (inew & in_debug))
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CPRINTF("[%T x86 in 0x%04x]\n", inew);
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in_signals = inew;
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}
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/*
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* Wait for all the inputs in <want> to be present. Returns EC_ERROR_TIMEOUT
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* if timeout before reaching the desired state.
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*/
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static int wait_in_signals(uint32_t want)
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{
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in_want = want;
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while ((in_signals & in_want) != in_want) {
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if (task_wait_event(DEFAULT_TIMEOUT) == TASK_EVENT_TIMER) {
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update_in_signals();
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CPRINTF("[%T x86 power timeout on input; "
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"wanted 0x%04x, got 0x%04x]\n",
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in_want, in_signals & in_want);
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return EC_ERROR_TIMEOUT;
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}
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/*
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* TODO: should really shrink the remaining timeout if we woke
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* up but didn't have all the signals we wanted. Also need to
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* handle aborts if we're no longer in the same state we were
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* when we started waiting.
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*/
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}
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return EC_SUCCESS;
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}
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void x86_power_cpu_overheated(int too_hot)
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{
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static int overheat_count;
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if (too_hot) {
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overheat_count++;
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if (overheat_count > 3) {
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CPRINTF("[%T overheated; shutting down]\n");
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x86_power_force_shutdown();
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host_set_single_event(EC_HOST_EVENT_THERMAL_SHUTDOWN);
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}
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} else {
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overheat_count = 0;
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}
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}
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void x86_power_force_shutdown(void)
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{
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CPRINTF("[%T x86 power force shutdown]\n");
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/*
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* Force x86 off. This condition will reset once the state machine
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* transitions to G3.
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*/
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gpio_set_level(GPIO_PCH_DPWROK, 0);
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gpio_set_level(GPIO_PCH_RSMRSTn, 0);
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}
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void x86_power_reset(int cold_reset)
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{
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if (cold_reset) {
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/*
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* Drop and restore PWROK. This causes the PCH to reboot,
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* regardless of its after-G3 setting. This type of reboot
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* causes the PCH to assert PLTRST#, SLP_S3#, and SLP_S5#, so
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* we actually drop power to the rest of the system (hence, a
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* "cold" reboot).
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*/
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/* Ignore if PWROK is already low */
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if (gpio_get_level(GPIO_PCH_PWROK) == 0)
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return;
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/* PWROK must deassert for at least 3 RTC clocks = 91 us */
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gpio_set_level(GPIO_PCH_PWROK, 0);
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udelay(100);
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gpio_set_level(GPIO_PCH_PWROK, 1);
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} else {
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/*
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* Send a RCIN# pulse to the PCH. This just causes it to
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* assert INIT# to the CPU without dropping power or asserting
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* PLTRST# to reset the rest of the system.
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*/
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/* Pulse must be at least 16 PCI clocks long = 500 ns */
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gpio_set_level(GPIO_PCH_RCINn, 0);
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udelay(10);
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gpio_set_level(GPIO_PCH_RCINn, 1);
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}
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}
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/*****************************************************************************/
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/* Chipset interface */
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int chipset_in_state(int state_mask)
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{
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int need_mask = 0;
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/*
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* TODO: what to do about state transitions? If the caller wants
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* HARD_OFF|SOFT_OFF and we're in G3S5, we could still return
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* non-zero.
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*/
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switch (state) {
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case X86_G3:
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need_mask = CHIPSET_STATE_HARD_OFF;
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break;
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case X86_G3S5:
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case X86_S5G3:
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/*
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* In between hard and soft off states. Match only if caller
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* will accept both.
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*/
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need_mask = CHIPSET_STATE_HARD_OFF | CHIPSET_STATE_SOFT_OFF;
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break;
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case X86_S5:
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need_mask = CHIPSET_STATE_SOFT_OFF;
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break;
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case X86_S5S3:
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case X86_S3S5:
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need_mask = CHIPSET_STATE_SOFT_OFF | CHIPSET_STATE_SUSPEND;
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break;
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case X86_S3:
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need_mask = CHIPSET_STATE_SUSPEND;
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break;
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case X86_S3S0:
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case X86_S0S3:
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need_mask = CHIPSET_STATE_SUSPEND | CHIPSET_STATE_ON;
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break;
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case X86_S0:
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need_mask = CHIPSET_STATE_ON;
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break;
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}
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/* Return non-zero if all needed bits are present */
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return (state_mask & need_mask) == need_mask;
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}
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void chipset_exit_hard_off(void)
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{
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/* If not in the hard-off state nor headed there, nothing to do */
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if (state != X86_G3 && state != X86_S5G3)
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return;
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/* Set a flag to leave G3, then wake the task */
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want_g3_exit = 1;
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if (task_start_called())
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task_wake(TASK_ID_X86POWER);
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}
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void chipset_throttle_cpu(int throttle)
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{
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throttle_cpu = throttle;
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/* Immediately set throttling if CPU is on */
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if (state == X86_S0)
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gpio_set_level(GPIO_CPU_PROCHOT, throttle);
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}
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/*****************************************************************************/
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/* Hooks */
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/* Hook notified when lid state changes. */
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static int x86_lid_change(void)
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{
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/* Wake up the task to update power state */
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task_wake(TASK_ID_X86POWER);
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return EC_SUCCESS;
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}
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DECLARE_HOOK(HOOK_LID_CHANGE, x86_lid_change, HOOK_PRIO_DEFAULT);
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/* Hook notified when AC state changes. */
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static int x86_power_ac_change(void)
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{
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if (power_ac_present()) {
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CPRINTF("[%T x86 AC on]\n");
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/* TODO: (crosbug.com/p/9609) re-enable turbo? */
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} else {
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CPRINTF("[%T x86 AC off]\n");
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/* TODO: (crosbug.com/p/9609) disable turbo */
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if (state == X86_G3) {
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last_shutdown_time = get_time().val;
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task_wake(TASK_ID_X86POWER);
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}
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}
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return EC_SUCCESS;
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}
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DECLARE_HOOK(HOOK_AC_CHANGE, x86_power_ac_change, HOOK_PRIO_DEFAULT);
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/*****************************************************************************/
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/* Interrupts */
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void x86_power_interrupt(enum gpio_signal signal)
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{
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/* Shadow signals and compare with our desired signal state. */
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update_in_signals();
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/* Wake up the task */
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task_wake(TASK_ID_X86POWER);
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}
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/*****************************************************************************/
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/* Initialization */
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static int x86_power_init(void)
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{
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/* Update input state */
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update_in_signals();
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in_want = 0;
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/* The initial state is G3. Set shut down timestamp to now. */
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last_shutdown_time = get_time().val;
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/*
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* If we're switching between images without rebooting, see if the x86
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* is already powered on; if so, leave it there instead of cycling
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* through G3.
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*/
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if (system_jumped_to_this_image()) {
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if ((in_signals & IN_ALL_S0) == IN_ALL_S0) {
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CPRINTF("[%T x86 already in S0]\n");
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state = X86_S0;
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} else {
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/* Force all signals to their G3 states */
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CPRINTF("[%T x86 forcing G3]\n");
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gpio_set_level(GPIO_PCH_PWROK, 0);
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gpio_set_level(GPIO_ENABLE_VCORE, 0);
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gpio_set_level(GPIO_ENABLE_VS, 0);
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gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0);
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gpio_set_level(GPIO_TOUCHSCREEN_RESETn, 0);
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gpio_set_level(GPIO_ENABLE_1_5V_DDR, 0);
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gpio_set_level(GPIO_PCH_RSMRSTn, 0);
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gpio_set_level(GPIO_PCH_DPWROK, 0);
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gpio_set_level(GPIO_ENABLE_5VALW, 0);
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}
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}
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/* Enable interrupts for our GPIOs */
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gpio_enable_interrupt(GPIO_PCH_BKLTEN);
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gpio_enable_interrupt(GPIO_PCH_SLP_An);
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gpio_enable_interrupt(GPIO_PCH_SLP_ME_CSW_DEVn);
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gpio_enable_interrupt(GPIO_PCH_SLP_S3n);
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gpio_enable_interrupt(GPIO_PCH_SLP_S4n);
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gpio_enable_interrupt(GPIO_PCH_SLP_S5n);
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gpio_enable_interrupt(GPIO_PCH_SLP_SUSn);
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gpio_enable_interrupt(GPIO_PCH_SUSWARNn);
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gpio_enable_interrupt(GPIO_PGOOD_1_5V_DDR);
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gpio_enable_interrupt(GPIO_PGOOD_1_5V_PCH);
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gpio_enable_interrupt(GPIO_PGOOD_1_8VS);
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gpio_enable_interrupt(GPIO_PGOOD_5VALW);
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gpio_enable_interrupt(GPIO_PGOOD_CPU_CORE);
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gpio_enable_interrupt(GPIO_PGOOD_VCCP);
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gpio_enable_interrupt(GPIO_PGOOD_VCCSA);
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gpio_enable_interrupt(GPIO_PGOOD_VGFX_CORE);
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return EC_SUCCESS;
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}
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DECLARE_HOOK(HOOK_INIT, x86_power_init, HOOK_PRIO_INIT_CHIPSET);
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/*****************************************************************************/
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/* Task function */
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void x86_power_task(void)
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{
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uint64_t time_now;
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while (1) {
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CPRINTF("[%T x86 power state %d = %s, in 0x%04x]\n",
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state, state_names[state], in_signals);
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switch (state) {
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case X86_G3:
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if (want_g3_exit) {
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want_g3_exit = 0;
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state = X86_G3S5;
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break;
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}
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in_want = 0;
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if (power_ac_present())
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task_wait_event(-1);
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else {
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uint64_t target_time = last_shutdown_time +
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hibernate_delay * 1000000ull;
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time_now = get_time().val;
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if (time_now > target_time) {
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/* Time's up. Hibernate until wake pin
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* asserted. */
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CPRINTF("[%T x86 hibernating]\n");
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system_hibernate(0, 0);
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}
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else {
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/* Wait for a message */
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task_wait_event(target_time - time_now);
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}
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}
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|
break;
|
|
|
|
case X86_S5:
|
|
if (gpio_get_level(GPIO_PCH_SLP_S5n) == 1) {
|
|
/* Power up to next state */
|
|
state = X86_S5S3;
|
|
break;
|
|
}
|
|
|
|
/* Wait for inactivity timeout */
|
|
in_want = 0;
|
|
if (task_wait_event(S5_INACTIVITY_TIMEOUT) ==
|
|
TASK_EVENT_TIMER) {
|
|
/* Drop to G3; wake not requested yet */
|
|
want_g3_exit = 0;
|
|
state = X86_S5G3;
|
|
}
|
|
break;
|
|
|
|
case X86_S3:
|
|
/*
|
|
* If lid is closed; hold touchscreen in reset to cut
|
|
* power usage. If lid is open, take touchscreen out
|
|
* of reset so it can wake the processor.
|
|
*/
|
|
gpio_set_level(GPIO_TOUCHSCREEN_RESETn,
|
|
power_lid_open_debounced());
|
|
|
|
/* Check for state transitions */
|
|
if (gpio_get_level(GPIO_PCH_SLP_S3n) == 1) {
|
|
/* Power up to next state */
|
|
state = X86_S3S0;
|
|
break;
|
|
} else if (gpio_get_level(GPIO_PCH_SLP_S5n) == 0) {
|
|
/* Power down to next state */
|
|
state = X86_S3S5;
|
|
break;
|
|
}
|
|
|
|
/* Otherwise, steady state; wait for a message */
|
|
in_want = 0;
|
|
task_wait_event(-1);
|
|
break;
|
|
|
|
case X86_S0:
|
|
if (gpio_get_level(GPIO_PCH_SLP_S3n) == 0) {
|
|
/* Power down to next state */
|
|
state = X86_S0S3;
|
|
break;
|
|
}
|
|
|
|
/* Otherwise, steady state; wait for a message */
|
|
in_want = 0;
|
|
task_wait_event(-1);
|
|
break;
|
|
|
|
case X86_G3S5:
|
|
/*
|
|
* Wait 10ms after +3VALW good, since that powers
|
|
* VccDSW and VccSUS.
|
|
*/
|
|
usleep(10000);
|
|
|
|
/* Assert DPWROK, deassert RSMRST# */
|
|
gpio_set_level(GPIO_PCH_DPWROK, 1);
|
|
gpio_set_level(GPIO_PCH_RSMRSTn, 1);
|
|
|
|
/* Wait 5ms for SUSCLK to stabilize */
|
|
usleep(5000);
|
|
|
|
state = X86_S5;
|
|
break;
|
|
|
|
case X86_S5S3:
|
|
/* Switch on +5V always-on */
|
|
gpio_set_level(GPIO_ENABLE_5VALW, 1);
|
|
/* Wait for the always-on rails to be good */
|
|
wait_in_signals(IN_PGOOD_ALWAYS_ON);
|
|
|
|
/*
|
|
* Take lightbar out of reset, now that +5VALW is
|
|
* available and we won't leak +3VALW through the reset
|
|
* line.
|
|
*/
|
|
gpio_set_level(GPIO_LIGHTBAR_RESETn, 1);
|
|
|
|
/* Turn on power to RAM */
|
|
gpio_set_level(GPIO_ENABLE_1_5V_DDR, 1);
|
|
|
|
/*
|
|
* Enable touchpad power so it can wake the system from
|
|
* suspend.
|
|
*/
|
|
gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1);
|
|
|
|
/* Call hooks now that rails are up */
|
|
hook_notify(HOOK_CHIPSET_STARTUP, 0);
|
|
|
|
state = X86_S3;
|
|
break;
|
|
|
|
case X86_S3S0:
|
|
/* Turn on power rails */
|
|
gpio_set_level(GPIO_ENABLE_VS, 1);
|
|
|
|
/* Enable WLAN */
|
|
gpio_set_level(GPIO_ENABLE_WLAN, 1);
|
|
gpio_set_level(GPIO_RADIO_ENABLE_WLAN, 1);
|
|
gpio_set_level(GPIO_RADIO_ENABLE_BT, 1);
|
|
|
|
/*
|
|
* Make sure touchscreen is out if reset (even if the
|
|
* lid is still closed); it may have been turned off if
|
|
* the lid was closed in S3.
|
|
*/
|
|
gpio_set_level(GPIO_TOUCHSCREEN_RESETn, 1);
|
|
|
|
/* Wait for non-core power rails good */
|
|
wait_in_signals(IN_PGOOD_ALL_NONCORE);
|
|
|
|
/*
|
|
* Enable +CPU_CORE and +VGFX_CORE regulator. The CPU
|
|
* itself will request the supplies when it's ready.
|
|
*/
|
|
gpio_set_level(GPIO_ENABLE_VCORE, 1);
|
|
|
|
/* Call hooks now that rails are up */
|
|
hook_notify(HOOK_CHIPSET_RESUME, 0);
|
|
|
|
/* Wait 99ms after all voltages good */
|
|
usleep(99000);
|
|
|
|
/*
|
|
* Throttle CPU if necessary. This should only be
|
|
* asserted when +VCCP is powered (it is by now).
|
|
*/
|
|
gpio_set_level(GPIO_CPU_PROCHOT, throttle_cpu);
|
|
|
|
/* Set PCH_PWROK */
|
|
gpio_set_level(GPIO_PCH_PWROK, 1);
|
|
|
|
state = X86_S0;
|
|
break;
|
|
|
|
case X86_S0S3:
|
|
/* Call hooks before we remove power rails */
|
|
hook_notify(HOOK_CHIPSET_SUSPEND, 0);
|
|
|
|
/* Clear PCH_PWROK */
|
|
gpio_set_level(GPIO_PCH_PWROK, 0);
|
|
|
|
/* Wait 40ns */
|
|
udelay(1);
|
|
|
|
/* Disable +CPU_CORE and +VGFX_CORE */
|
|
gpio_set_level(GPIO_ENABLE_VCORE, 0);
|
|
|
|
/* Disable WLAN */
|
|
gpio_set_level(GPIO_ENABLE_WLAN, 0);
|
|
gpio_set_level(GPIO_RADIO_ENABLE_WLAN, 0);
|
|
gpio_set_level(GPIO_RADIO_ENABLE_BT, 0);
|
|
|
|
/*
|
|
* Deassert prochot since CPU is off and we're about
|
|
* to drop +VCCP.
|
|
*/
|
|
gpio_set_level(GPIO_CPU_PROCHOT, 0);
|
|
|
|
/* Turn off power rails */
|
|
gpio_set_level(GPIO_ENABLE_VS, 0);
|
|
|
|
state = X86_S3;
|
|
break;
|
|
|
|
case X86_S3S5:
|
|
/* Call hooks before we remove power rails */
|
|
hook_notify(HOOK_CHIPSET_SHUTDOWN, 0);
|
|
|
|
/* Disable touchpad power */
|
|
gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0);
|
|
|
|
/* Turn off power to RAM */
|
|
gpio_set_level(GPIO_ENABLE_1_5V_DDR, 0);
|
|
|
|
/*
|
|
* Put touchscreen and lightbar in reset, so we won't
|
|
* leak +3VALW through the reset line.
|
|
*/
|
|
gpio_set_level(GPIO_TOUCHSCREEN_RESETn, 0);
|
|
gpio_set_level(GPIO_LIGHTBAR_RESETn, 0);
|
|
|
|
/* Switch off +5V always-on */
|
|
gpio_set_level(GPIO_ENABLE_5VALW, 0);
|
|
|
|
state = X86_S5;
|
|
break;
|
|
|
|
case X86_S5G3:
|
|
/* Deassert DPWROK, assert RSMRST# */
|
|
gpio_set_level(GPIO_PCH_DPWROK, 0);
|
|
gpio_set_level(GPIO_PCH_RSMRSTn, 0);
|
|
|
|
/* Record the time we go into G3 */
|
|
last_shutdown_time = get_time().val;
|
|
|
|
state = X86_G3;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Console commands */
|
|
|
|
static int command_x86reset(int argc, char **argv)
|
|
{
|
|
int is_cold = 1;
|
|
|
|
if (argc > 1 && !strcasecmp(argv[1], "cold"))
|
|
is_cold = 1;
|
|
else if (argc > 1 && !strcasecmp(argv[1], "warm"))
|
|
is_cold = 0;
|
|
|
|
/* Force the x86 to reset */
|
|
ccprintf("Issuing x86 %s reset...\n", is_cold ? "cold" : "warm");
|
|
x86_power_reset(is_cold);
|
|
return EC_SUCCESS;
|
|
}
|
|
DECLARE_CONSOLE_COMMAND(x86reset, command_x86reset,
|
|
"[warm | cold]",
|
|
"Issue x86 reset",
|
|
NULL);
|
|
|
|
static int command_powerinfo(int argc, char **argv)
|
|
{
|
|
/*
|
|
* Print x86 power state in same format as state machine. This is
|
|
* used by FAFT tests, so must match exactly.
|
|
*/
|
|
ccprintf("[%T x86 power state %d = %s, in 0x%04x]\n",
|
|
state, state_names[state], in_signals);
|
|
|
|
return EC_SUCCESS;
|
|
}
|
|
DECLARE_CONSOLE_COMMAND(powerinfo, command_powerinfo,
|
|
NULL,
|
|
"Show current x86 power state",
|
|
NULL);
|
|
|
|
static int command_x86shutdown(int argc, char **argv)
|
|
{
|
|
x86_power_force_shutdown();
|
|
return EC_SUCCESS;
|
|
}
|
|
DECLARE_CONSOLE_COMMAND(x86shutdown, command_x86shutdown,
|
|
NULL,
|
|
"Force x86 shutdown",
|
|
NULL);
|
|
|
|
static int command_x86indebug(int argc, char **argv)
|
|
{
|
|
char *e;
|
|
|
|
/* If one arg, set the mask */
|
|
if (argc == 2) {
|
|
int m = strtoi(argv[1], &e, 0);
|
|
if (*e)
|
|
return EC_ERROR_PARAM1;
|
|
|
|
in_debug = m;
|
|
}
|
|
|
|
/* Print the mask */
|
|
ccprintf("x86 in: 0x%04x\n", in_signals);
|
|
ccprintf("debug mask: 0x%04x\n", in_debug);
|
|
return EC_SUCCESS;
|
|
};
|
|
DECLARE_CONSOLE_COMMAND(x86indebug, command_x86indebug,
|
|
"[mask]",
|
|
"Get/set x86 input debug mask",
|
|
NULL);
|
|
|
|
static int command_hibernation_delay(int argc, char **argv)
|
|
{
|
|
char *e;
|
|
uint32_t time_g3 = ((uint32_t)(get_time().val - last_shutdown_time))
|
|
/ 1000000;
|
|
|
|
if (argc >= 2) {
|
|
uint32_t s = strtoi(argv[1], &e, 0);
|
|
if (*e)
|
|
return EC_ERROR_PARAM1;
|
|
|
|
hibernate_delay = s;
|
|
}
|
|
|
|
/* Print the current setting */
|
|
ccprintf("Hibernation delay: %d s\n", hibernate_delay);
|
|
if (state == X86_G3 && !power_ac_present()) {
|
|
ccprintf("Time G3: %d s\n", time_g3);
|
|
ccprintf("Time left: %d s\n", hibernate_delay - time_g3);
|
|
}
|
|
return EC_SUCCESS;
|
|
}
|
|
DECLARE_CONSOLE_COMMAND(hibdelay, command_hibernation_delay,
|
|
"[sec]",
|
|
"Set the delay before going into hibernation",
|
|
NULL);
|
|
|
|
/*****************************************************************************/
|
|
/* Host commands */
|
|
|
|
/* TODO: belongs in power_button.c since it owns switches? */
|
|
static int switch_command_enable_wireless(struct host_cmd_handler_args *args)
|
|
{
|
|
const struct ec_params_switch_enable_wireless *p = args->params;
|
|
|
|
gpio_set_level(GPIO_RADIO_ENABLE_WLAN,
|
|
p->enabled & EC_WIRELESS_SWITCH_WLAN);
|
|
gpio_set_level(GPIO_RADIO_ENABLE_BT,
|
|
p->enabled & EC_WIRELESS_SWITCH_BLUETOOTH);
|
|
|
|
return EC_RES_SUCCESS;
|
|
}
|
|
DECLARE_HOST_COMMAND(EC_CMD_SWITCH_ENABLE_WIRELESS,
|
|
switch_command_enable_wireless,
|
|
EC_VER_MASK(0));
|