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-rw-r--r--power/apollolake.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/power/apollolake.c b/power/apollolake.c
deleted file mode 100644
index 2aaf7fc533..0000000000
--- a/power/apollolake.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/* Copyright 2016 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.
- */
-
-/* Apollolake chipset power control module for Chrome EC */
-
-#include "chipset.h"
-#include "console.h"
-#include "gpio.h"
-#include "power/intel_x86.h"
-#include "task.h"
-#include "timer.h"
-
-/* Console output macros */
-#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
-
-/*
- * force_shutdown is used to maintain chipset shutdown request. This request
- * needs to be handled from within the chipset task.
- */
-static int force_shutdown;
-
-/* Power signals list. Must match order of enum power_signal. */
-const struct power_signal_info power_signal_list[] = {
-#ifdef CONFIG_POWER_S0IX
- [X86_SLP_S0_N] = {
- GPIO_PCH_SLP_S0_L,
- POWER_SIGNAL_ACTIVE_HIGH | POWER_SIGNAL_DISABLE_AT_BOOT,
- "SLP_S0_DEASSERTED",
- },
-#endif
- [X86_SLP_S3_N] = {
- GPIO_PCH_SLP_S3_L,
- POWER_SIGNAL_ACTIVE_HIGH,
- "SLP_S3_DEASSERTED",
- },
- [X86_SLP_S4_N] = {
- GPIO_PCH_SLP_S4_L,
- POWER_SIGNAL_ACTIVE_HIGH,
- "SLP_S4_DEASSERTED",
- },
- [X86_SUSPWRDNACK] = {
- GPIO_SUSPWRDNACK,
- POWER_SIGNAL_ACTIVE_HIGH,
- "SUSPWRDNACK_DEASSERTED",
- },
- [X86_ALL_SYS_PG] = {
- GPIO_ALL_SYS_PGOOD,
- POWER_SIGNAL_ACTIVE_HIGH,
- "ALL_SYS_PGOOD",
- },
- [X86_RSMRST_N] = {
- GPIO_RSMRST_L_PGOOD,
- POWER_SIGNAL_ACTIVE_HIGH,
- "RSMRST_L",
- },
- [X86_PGOOD_PP3300] = {
- GPIO_PP3300_PG,
- POWER_SIGNAL_ACTIVE_HIGH,
- "PP3300_PG",
- },
- [X86_PGOOD_PP5000] = {
- GPIO_PP5000_PG,
- POWER_SIGNAL_ACTIVE_HIGH,
- "PP5000_PG",
- },
-};
-BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
-
-__attribute__((weak)) void chipset_do_shutdown(void)
-{
- /* Need to implement board specific shutdown */
-}
-
-static void internal_chipset_shutdown(void)
-{
- /*
- * UART buffer gets overwritten by other tasks if it is not explicitly
- * flushed before printing it on the console by same task. Hence, clean
- * up the UART buffer so that all the debug messages are printed on the
- * UART console before doing shutdown.
- */
- cflush();
-
- CPRINTS("%s()", __func__);
-
- force_shutdown = 0;
- chipset_do_shutdown();
-}
-
-void chipset_force_shutdown(enum chipset_shutdown_reason reason)
-{
- CPRINTS("%s: %d", __func__, reason);
- report_ap_reset(reason);
-
- /*
- * This function is called from multiple tasks and hence it is racy! But
- * since things are going down hard, it does not matter if some task
- * misses out.
- */
- force_shutdown = 1;
- task_wake(TASK_ID_CHIPSET);
-}
-
-enum power_state chipset_force_g3(void)
-{
- chipset_force_shutdown(CHIPSET_SHUTDOWN_G3);
-
- return POWER_G3;
-}
-
-void chipset_handle_espi_reset_assert(void)
-{
-}
-
-static void handle_all_sys_pgood(enum power_state state)
-{
- /*
- * Pass through asynchronously, as SOC may not react
- * immediately to power changes.
- */
- int in_level = gpio_get_level(GPIO_ALL_SYS_PGOOD);
- int out_level = gpio_get_level(GPIO_PCH_SYS_PWROK);
-
- /* Nothing to do. */
- if (in_level == out_level)
- return;
-
- gpio_set_level(GPIO_PCH_SYS_PWROK, in_level);
-
- CPRINTS("Pass through GPIO_ALL_SYS_PGOOD: %d", in_level);
-}
-
-enum power_state power_handle_state(enum power_state state)
-{
- enum power_state new_state;
-
- /* Process ALL_SYS_PGOOD state changes. */
- handle_all_sys_pgood(state);
-
- if (state == POWER_S5 && !power_has_signals(IN_PGOOD_ALL_CORE)) {
- /* Required rail went away */
- internal_chipset_shutdown();
-
- new_state = POWER_S5G3;
- goto rsmrst_handle;
-
- }
-
- /* If force shutdown is requested, perform that. */
- if (force_shutdown)
- internal_chipset_shutdown();
-
- new_state = common_intel_x86_power_handle_state(state);
-
-rsmrst_handle:
-
- /*
- * Process RSMRST_L state changes:
- * RSMRST_L de-assertion is passed to SoC only on G3S5 to S5 transition.
- * RSMRST_L is also checked in some states and, if asserted, will
- * force shutdown.
- */
- common_intel_x86_handle_rsmrst(new_state);
-
- return new_state;
-}
-
-/**
- * chipset check if PLTRST# is valid.
- *
- * @return non-zero if PLTRST# is valid, 0 if invalid.
- */
-int chipset_pltrst_is_valid(void)
-{
- /*
- * Invalid PLTRST# from SOC unless RSMRST#
- * from PMIC through EC to soc is deasserted.
- */
- return (gpio_get_level(GPIO_RSMRST_L_PGOOD) &&
- gpio_get_level(GPIO_PCH_RSMRST_L));
-}