From 95cf9c0052234cf19599c03ea214eff4a6ed3b65 Mon Sep 17 00:00:00 2001 From: Saurabh Mishra Date: Thu, 12 Sep 2024 10:52:56 +0530 Subject: soc/intel/ptl: Do initial Panther Lake SoC commit till ramstage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit List of changes: 1. Add required SoC programming till ramstage. 2. Include only required headers into include/soc. 3. Skeleton code used to call FSP-S API. BUG=b:348678529 TEST=Verified on Intel® Simics® Pre Silicon Simulation platform for PTL using google/fatcat mainboard. Change-Id: I61930726ad0c765bfa1d72c5df893262be884834 Signed-off-by: Saurabh Mishra Reviewed-on: https://review.coreboot.org/c/coreboot/+/84332 Reviewed-by: Jérémy Compostella Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik --- src/soc/intel/pantherlake/elog.c | 220 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 src/soc/intel/pantherlake/elog.c (limited to 'src/soc/intel/pantherlake/elog.c') diff --git a/src/soc/intel/pantherlake/elog.c b/src/soc/intel/pantherlake/elog.c new file mode 100644 index 0000000000..fce408f222 --- /dev/null +++ b/src/soc/intel/pantherlake/elog.c @@ -0,0 +1,220 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct pme_map { + unsigned int devfn; + unsigned int wake_source; +}; + +static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start) +{ + int i; + + gpe0_sts &= gpe0_en; + + for (i = 0; i <= 31; i++) { + if (gpe0_sts & (1 << i)) + elog_add_event_wake(ELOG_WAKE_SOURCE_GPE, i + start); + } +} + +static void pch_log_rp_wake_source(void) +{ + size_t i; + uint8_t max_port = get_max_pcie_port(); + + const struct pme_map pme_map[] = { + { PCI_DEVFN_PCIE1, ELOG_WAKE_SOURCE_PME_PCIE1 }, + { PCI_DEVFN_PCIE2, ELOG_WAKE_SOURCE_PME_PCIE2 }, + { PCI_DEVFN_PCIE3, ELOG_WAKE_SOURCE_PME_PCIE3 }, + { PCI_DEVFN_PCIE4, ELOG_WAKE_SOURCE_PME_PCIE4 }, + { PCI_DEVFN_PCIE5, ELOG_WAKE_SOURCE_PME_PCIE5 }, + { PCI_DEVFN_PCIE6, ELOG_WAKE_SOURCE_PME_PCIE6 }, + { PCI_DEVFN_PCIE7, ELOG_WAKE_SOURCE_PME_PCIE7 }, + { PCI_DEVFN_PCIE8, ELOG_WAKE_SOURCE_PME_PCIE8 }, + { PCI_DEVFN_PCIE9, ELOG_WAKE_SOURCE_PME_PCIE9 }, + { PCI_DEVFN_PCIE10, ELOG_WAKE_SOURCE_PME_PCIE10 }, +#if CONFIG(SOC_INTEL_PANTHERLAKE_U_H) + { PCI_DEVFN_PCIE11, ELOG_WAKE_SOURCE_PME_PCIE11 }, + { PCI_DEVFN_PCIE12, ELOG_WAKE_SOURCE_PME_PCIE12 }, +#endif + }; + + for (i = 0; i < MIN(max_port, ARRAY_SIZE(pme_map)); ++i) { + if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(pme_map[i].devfn), + PCI_FUNC(pme_map[i].devfn)))) + elog_add_event_wake(pme_map[i].wake_source, 0); + } +} + +static void pch_log_pme_internal_wake_source(void) +{ + const struct pme_map ipme_map[] = { + { PCI_DEVFN_HDA, ELOG_WAKE_SOURCE_PME_HDA }, + { PCI_DEVFN_GBE, ELOG_WAKE_SOURCE_PME_GBE }, + { PCI_DEVFN_CSE, ELOG_WAKE_SOURCE_PME_CSE }, + { PCI_DEVFN_XHCI, ELOG_WAKE_SOURCE_PME_XHCI }, + { PCI_DEVFN_USBOTG, ELOG_WAKE_SOURCE_PME_XDCI }, + { PCI_DEVFN_CNVI_WIFI, ELOG_WAKE_SOURCE_PME_WIFI }, + { PCI_DEVFN_TCSS_XDCI, ELOG_WAKE_SOURCE_PME_TCSS_XDCI }, + }; + const struct xhci_wake_info xhci_wake_info[] = { + { PCI_DEVFN_XHCI, ELOG_WAKE_SOURCE_PME_XHCI }, + { PCI_DEVFN_TCSS_XHCI, ELOG_WAKE_SOURCE_PME_TCSS_XHCI }, + }; + bool dev_found = false; + size_t i; + + for (i = 0; i < ARRAY_SIZE(ipme_map); i++) { + unsigned int devfn = ipme_map[i].devfn; + if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)))) { + elog_add_event_wake(ipme_map[i].wake_source, 0); + dev_found = true; + } + } + + /* Check Thunderbolt ports */ + for (i = 0; i < NUM_TBT_FUNCTIONS; i++) { + unsigned int devfn = PCI_DEVFN_TBT(i); + if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)))) { + elog_add_event_wake(ELOG_WAKE_SOURCE_PME_TBT, i); + dev_found = true; + } + } + + /* Check DMA devices */ + for (i = 0; i < NUM_TCSS_DMA_FUNCTIONS; i++) { + unsigned int devfn = PCI_DEVFN_TCSS_DMA(i); + if (pci_dev_is_wake_source(PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)))) { + elog_add_event_wake(ELOG_WAKE_SOURCE_PME_TCSS_DMA, i); + dev_found = true; + } + } + + /* + * Probe the XHCI controllers and their USB2 and USB3 ports to determine + * if any of them were wake sources. + */ + dev_found |= xhci_update_wake_event(xhci_wake_info, ARRAY_SIZE(xhci_wake_info)); + + if (!dev_found) + elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0); +} + +static void pch_log_wake_source(struct chipset_power_state *ps) +{ + /* Power Button */ + if (ps->pm1_sts & PWRBTN_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PWRBTN, 0); + + /* RTC */ + if (ps->pm1_sts & RTC_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0); + + /* PCI Express */ + if (ps->pm1_sts & PCIEXPWAK_STS) + pch_log_rp_wake_source(); + + /* PME (TODO: determine wake device) */ + if (ps->gpe0_sts[GPE_STD] & PME_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0); + + /* Internal PME */ + if (ps->gpe0_sts[GPE_STD] & PME_B0_STS) + pch_log_pme_internal_wake_source(); + + /* SMBUS Wake */ + if (ps->gpe0_sts[GPE_STD] & SMB_WAK_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_SMBUS, 0); + + /* Log GPIO events in set 1-3 */ + pch_log_gpio_gpe(ps->gpe0_sts[GPE_31_0], ps->gpe0_en[GPE_31_0], 0); + pch_log_gpio_gpe(ps->gpe0_sts[GPE_63_32], ps->gpe0_en[GPE_63_32], 32); + pch_log_gpio_gpe(ps->gpe0_sts[GPE_95_64], ps->gpe0_en[GPE_95_64], 64); + /* Treat the STD as an extension of GPIO to obtain visibility. */ + pch_log_gpio_gpe(ps->gpe0_sts[GPE_STD], ps->gpe0_en[GPE_STD], 96); +} + +static void pch_log_power_and_resets(const struct chipset_power_state *ps) +{ + /* Thermal Trip */ + if (ps->gblrst_cause[0] & GBLRST_CAUSE0_THERMTRIP) + elog_add_event(ELOG_TYPE_THERM_TRIP); + + /* CSME-Initiated Host Reset with power down */ + if (ps->hpr_cause0 & HPR_CAUSE0_MI_HRPD) + elog_add_event(ELOG_TYPE_MI_HRPD); + + /* CSME-Initiated Host Reset with power cycle */ + if (ps->hpr_cause0 & HPR_CAUSE0_MI_HRPC) + elog_add_event(ELOG_TYPE_MI_HRPC); + + /* CSME-Initiated Host Reset without power cycle */ + if (ps->hpr_cause0 & HPR_CAUSE0_MI_HR) + elog_add_event(ELOG_TYPE_MI_HR); + + /* PWR_FLR Power Failure */ + if (ps->gen_pmcon_a & PWR_FLR) + elog_add_event(ELOG_TYPE_POWER_FAIL); + + /* SUS Well Power Failure */ + if (ps->gen_pmcon_a & SUS_PWR_FLR) + elog_add_event(ELOG_TYPE_SUS_POWER_FAIL); + + /* TCO Timeout */ + if (ps->prev_sleep_state != ACPI_S3 && + ps->tco2_sts & TCO2_STS_SECOND_TO) + elog_add_event(ELOG_TYPE_TCO_RESET); + + /* Power Button Override */ + if (ps->pm1_sts & PRBTNOR_STS) + elog_add_event(ELOG_TYPE_POWER_BUTTON_OVERRIDE); + + /* RTC reset */ + if (ps->gen_pmcon_b & RTC_BATTERY_DEAD) + elog_add_event(ELOG_TYPE_RTC_RESET); + + /* Host Reset Status */ + if (ps->gen_pmcon_a & HOST_RST_STS) + elog_add_event(ELOG_TYPE_SYSTEM_RESET); + + /* ACPI Wake Event */ + if (ps->prev_sleep_state != ACPI_S0) + elog_add_event_byte(ELOG_TYPE_ACPI_WAKE, ps->prev_sleep_state); +} + +static void pch_log_state(void *unused) +{ + struct chipset_power_state *ps = pmc_get_power_state(); + + if (!ps) { + printk(BIOS_ERR, "chipset_power_state not found!\n"); + return; + } + + /* Power and Reset */ + pch_log_power_and_resets(ps); + + /* Wake Sources */ + if (ps->prev_sleep_state > ACPI_S0) + pch_log_wake_source(ps); +} + +BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pch_log_state, NULL); + +void elog_gsmi_cb_platform_log_wake_source(void) +{ + struct chipset_power_state ps; + pmc_fill_pm_reg_info(&ps); + pch_log_wake_source(&ps); +} -- cgit v1.2.3