/* * This file is part of the coreboot project. * * Copyright (C) 2014 Google Inc. * Copyright (C) 2015 Intel Corp. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; version 2 of * the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <arch/acpi.h> #include <cbmem.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <elog.h> #include <soc/iomap.h> #include <soc/pm.h> #include <stdint.h> static void log_power_and_resets(const struct chipset_power_state *ps) { if (ps->gen_pmcon1 & PWR_FLR) { elog_add_event(ELOG_TYPE_POWER_FAIL); elog_add_event(ELOG_TYPE_PWROK_FAIL); } if (ps->gen_pmcon1 & SUS_PWR_FLR) elog_add_event(ELOG_TYPE_SUS_POWER_FAIL); if (ps->gen_pmcon1 & RPS) elog_add_event(ELOG_TYPE_RTC_RESET); if (ps->tco_sts & SECOND_TO_STS) elog_add_event(ELOG_TYPE_TCO_RESET); if (ps->pm1_sts & PRBTNOR_STS) elog_add_event(ELOG_TYPE_POWER_BUTTON_OVERRIDE); if (ps->gen_pmcon1 & SRS) elog_add_event(ELOG_TYPE_RESET_BUTTON); if (ps->gen_pmcon1 & GEN_RST_STS) elog_add_event(ELOG_TYPE_SYSTEM_RESET); } static void log_wake_events(const struct chipset_power_state *ps) { const uint32_t pcie_wake_mask = PCI_EXP_STS | PCIE_WAKE3_STS | PCIE_WAKE2_STS | PCIE_WAKE1_STS | PCIE_WAKE0_STS; uint32_t gpe0_sts; uint32_t gpio_mask; int i; /* Mask off disabled events. */ gpe0_sts = ps->gpe0_sts & ps->gpe0_en; if (ps->pm1_sts & WAK_STS) elog_add_event_byte(ELOG_TYPE_ACPI_WAKE, acpi_is_wakeup_s3() ? ACPI_S3 : ACPI_S5); if (ps->pm1_sts & PWRBTN_STS) elog_add_event_wake(ELOG_WAKE_SOURCE_PWRBTN, 0); if (ps->pm1_sts & RTC_STS) elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0); if (gpe0_sts & PME_B0_EN) elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0); if (gpe0_sts & pcie_wake_mask) elog_add_event_wake(ELOG_WAKE_SOURCE_PCIE, 0); gpio_mask = SUS_GPIO_STS0; i = 0; while (gpio_mask) { if (gpio_mask & gpe0_sts) elog_add_event_wake(ELOG_WAKE_SOURCE_GPIO, i); gpio_mask <<= 1; i++; } } void southcluster_log_state(void) { struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE); if (ps == NULL) { printk(BIOS_DEBUG, "Not logging power state information. Power state not found in cbmem.\n"); return; } log_power_and_resets(ps); log_wake_events(ps); }