From f84c103825e6999138bf97ce199657c6416ae226 Mon Sep 17 00:00:00 2001 From: Karthikeyan Ramasubramanian Date: Wed, 20 Mar 2019 13:15:00 -0600 Subject: soc/intel/apollolake: Add support to log XHCI wake events Add support to identify and log the XHCI wake events for apollolake into event logs. BUG=b:123429132 BRANCH=None TEST=Ensure that the system boots to ChromeOS. Ensure that the wake up events due to USB are logged into the event logs. 6 | 2019-03-21 09:22:18 | S0ix Enter 7 | 2019-03-21 09:22:22 | S0ix Exit 8 | 2019-03-21 09:22:22 | Wake Source | PME - XHCI (USB 2.0 port) | 9 9 | 2019-03-21 09:22:22 | Wake Source | GPE # | 13 10 | 2019-03-21 09:23:20 | ACPI Enter | S3 11 | 2019-03-21 09:23:30 | Wake Source | PME - XHCI (USB 2.0 port) | 9 12 | 2019-03-21 09:23:30 | ACPI Wake | S3 13 | 2019-03-21 09:23:30 | Wake Source | GPE # | 13 Change-Id: I55b850646dda8acaa086a9012c2d8b611016f932 Signed-off-by: Karthikeyan Ramasubramanian Reviewed-on: https://review.coreboot.org/c/coreboot/+/32000 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- src/soc/intel/apollolake/Kconfig | 1 + src/soc/intel/apollolake/elog.c | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+) (limited to 'src/soc') diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig index 19cd296ffb..d715f39eb4 100644 --- a/src/soc/intel/apollolake/Kconfig +++ b/src/soc/intel/apollolake/Kconfig @@ -94,6 +94,7 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON_BLOCK_UART select SOC_INTEL_COMMON_BLOCK_XDCI select SOC_INTEL_COMMON_BLOCK_XHCI + select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG select SOC_INTEL_COMMON_BLOCK_SMM select SOC_INTEL_COMMON_BLOCK_SPI select SOC_INTEL_COMMON_BLOCK_CSE diff --git a/src/soc/intel/apollolake/elog.c b/src/soc/intel/apollolake/elog.c index b03d5e65c2..c138b346e1 100644 --- a/src/soc/intel/apollolake/elog.c +++ b/src/soc/intel/apollolake/elog.c @@ -19,11 +19,29 @@ #include #include #include +#include #include #include #include #include +#define XHCI_USB2_PORT_STATUS_REG 0x480 +#if CONFIG(SOC_INTEL_GLK) +#define XHCI_USB3_PORT_STATUS_REG 0x510 +#define XHCI_USB2_PORT_NUM 9 +#else +#define XHCI_USB3_PORT_STATUS_REG 0x500 +#define XHCI_USB2_PORT_NUM 8 +#endif +#define XHCI_USB3_PORT_NUM 7 + +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, +}; + static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start) { int i; @@ -54,6 +72,10 @@ static void pch_log_wake_source(struct chipset_power_state *ps) if (ps->gpe0_sts[GPE0_A] & CSE_PME_STS) elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0); + /* XHCI */ + if (ps->gpe0_sts[GPE0_A] & XHCI_PME_STS) + pch_xhci_update_wake_event(&usb_info); + /* SMBUS Wake */ if (ps->gpe0_sts[GPE0_A] & SMB_WAK_STS) elog_add_event_wake(ELOG_WAKE_SOURCE_SMBUS, 0); -- cgit v1.2.3