diff options
| -rw-r--r-- | src/soc/intel/tigerlake/Kconfig | 1 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/elog.c | 67 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/xhci.c | 20 |
4 files changed, 84 insertions, 6 deletions
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig index b9a5b60e17..79a4c6495b 100644 --- a/src/soc/intel/tigerlake/Kconfig +++ b/src/soc/intel/tigerlake/Kconfig @@ -55,6 +55,7 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON_BLOCK_USB4 select SOC_INTEL_COMMON_BLOCK_USB4_PCIE select SOC_INTEL_COMMON_BLOCK_USB4_XHCI + select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG select SOC_INTEL_COMMON_FSP_RESET select SOC_INTEL_COMMON_PCH_BASE select SOC_INTEL_COMMON_RESET diff --git a/src/soc/intel/tigerlake/Makefile.inc b/src/soc/intel/tigerlake/Makefile.inc index a25d0a4ee0..3103d60d3b 100644 --- a/src/soc/intel/tigerlake/Makefile.inc +++ b/src/soc/intel/tigerlake/Makefile.inc @@ -44,6 +44,7 @@ ramstage-y += smmrelocate.c ramstage-y += soundwire.c ramstage-y += systemagent.c ramstage-y += me.c +ramstage-y += xhci.c smm-y += gpio.c smm-y += p2sb.c @@ -51,6 +52,7 @@ smm-y += pmutil.c smm-y += smihandler.c smm-y += uart.c smm-y += elog.c +smm-y += xhci.c verstage-y += gpio.c diff --git a/src/soc/intel/tigerlake/elog.c b/src/soc/intel/tigerlake/elog.c index a46afbb24c..88324d63cf 100644 --- a/src/soc/intel/tigerlake/elog.c +++ b/src/soc/intel/tigerlake/elog.c @@ -5,11 +5,17 @@ #include <device/pci_ops.h> #include <elog.h> #include <intelblocks/pmclib.h> +#include <intelblocks/xhci.h> #include <soc/pci_devs.h> #include <soc/pm.h> #include <stdint.h> #include <types.h> +struct pme_map { + pci_devfn_t devfn; + unsigned int wake_source; +}; + static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start) { int i; @@ -25,10 +31,6 @@ static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start) static void pch_log_rp_wake_source(void) { size_t i; - struct pme_map { - pci_devfn_t devfn; - unsigned int wake_source; - }; const struct pme_map pme_map[] = { { PCH_DEVFN_PCIE1, ELOG_WAKE_SOURCE_PME_PCIE1 }, @@ -55,6 +57,59 @@ static void pch_log_rp_wake_source(void) } } +static void pch_log_add_elog_event(const struct pme_map *ipme_map) +{ + /* + * If wake source is XHCI, check for detailed wake source events on + * USB2/3 ports. + */ + if ((ipme_map->devfn == PCH_DEVFN_XHCI) && + pch_xhci_update_wake_event(soc_get_xhci_usb_info())) + return; + + elog_add_event_wake(ipme_map->wake_source, 0); +} + +static void pch_log_pme_internal_wake_source(void) +{ + size_t i; + bool dev_found = false; + + const struct pme_map ipme_map[] = { + { PCH_DEVFN_HDA, ELOG_WAKE_SOURCE_PME_HDA }, + { PCH_DEVFN_GBE, ELOG_WAKE_SOURCE_PME_GBE }, + { PCH_DEVFN_SATA, ELOG_WAKE_SOURCE_PME_SATA }, + { PCH_DEVFN_CSE, ELOG_WAKE_SOURCE_PME_CSE }, + { PCH_DEVFN_XHCI, ELOG_WAKE_SOURCE_PME_XHCI }, + { PCH_DEVFN_USBOTG, ELOG_WAKE_SOURCE_PME_XDCI }, + { PCH_DEVFN_CNVI_WIFI, ELOG_WAKE_SOURCE_PME_WIFI }, + }; + + for (i = 0; i < ARRAY_SIZE(ipme_map); i++) { + const struct device *dev = pcidev_path_on_root(ipme_map[i].devfn); + if (!dev) + continue; + + if (pci_dev_is_wake_source(dev)) { + pch_log_add_elog_event(&ipme_map[i]); + dev_found = true; + } + } + + /* + * If device is still not found, but the wake source is internal PME, + * try probing XHCI ports to see if any of the USB2/3 ports indicate + * that it was the wake source. This path would be taken in case of GSMI + * logging with S0ix where the pci_pm_resume_noirq runs and clears the + * PME_STS_BIT in controller register. + */ + if (!dev_found) + dev_found = pch_xhci_update_wake_event(soc_get_xhci_usb_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 */ @@ -73,9 +128,9 @@ static void pch_log_wake_source(struct chipset_power_state *ps) if (ps->gpe0_sts[GPE_STD] & PME_STS) elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0); - /* Internal PME (TODO: determine wake device) */ + /* Internal PME */ if (ps->gpe0_sts[GPE_STD] & PME_B0_STS) - elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0); + pch_log_pme_internal_wake_source(); /* SMBUS Wake */ if (ps->gpe0_sts[GPE_STD] & SMB_WAK_STS) diff --git a/src/soc/intel/tigerlake/xhci.c b/src/soc/intel/tigerlake/xhci.c new file mode 100644 index 0000000000..18bb129983 --- /dev/null +++ b/src/soc/intel/tigerlake/xhci.c @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <intelblocks/xhci.h> + +#define XHCI_USB2_PORT_STATUS_REG 0x480 +#define XHCI_USB3_PORT_STATUS_REG 0x520 +#define XHCI_USB2_PORT_NUM 10 +#define XHCI_USB3_PORT_NUM 4 + +static const struct xhci_usb_info usb_info = { + .usb2_port_status_reg = XHCI_USB2_PORT_STATUS_REG, + .num_usb2_ports = XHCI_USB2_PORT_NUM, + .usb3_port_status_reg = XHCI_USB3_PORT_STATUS_REG, + .num_usb3_ports = XHCI_USB3_PORT_NUM, +}; + +const struct xhci_usb_info *soc_get_xhci_usb_info(void) +{ + return &usb_info; +} |