| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <stdint.h> |
| #include <console/console.h> |
| #include <cbmem.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <elog.h> |
| #include <soc/iomap.h> |
| #include <soc/pmc.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() ? 3 : 5); |
| } |
| |
| 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); |
| } |