diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2020-11-10 10:09:32 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-03 09:03:42 +0000 |
| commit | 3fca2c79224f402f11f0b5fac0c5b267c342f6de (patch) | |
| tree | a700496b058c4093eaa25ab69885050d4dc969d8 /src/soc/intel | |
| parent | 71505f5f474b8d4f713fec70f6ac12e6db72517d (diff) | |
soc/intel/alderlake: Add PCIe root port wake sources to elog
Log PCIe root port wake events in the elog.
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I2867b1fa12f639cd6c49a58f698b51b089e2b483
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47398
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/alderlake/elog.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/src/soc/intel/alderlake/elog.c b/src/soc/intel/alderlake/elog.c index 8ec1107554..88bf34437b 100644 --- a/src/soc/intel/alderlake/elog.c +++ b/src/soc/intel/alderlake/elog.c @@ -2,11 +2,18 @@ #include <bootstate.h> #include <console/console.h> -#include <stdint.h> +#include <device/pci_ops.h> #include <elog.h> #include <intelblocks/pmclib.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) { @@ -20,7 +27,36 @@ static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start) } } -static void pch_log_wake_source(const struct chipset_power_state *ps) +static void pch_log_rp_wake_source(void) +{ + size_t i; + + const struct pme_map pme_map[] = { + { PCH_DEVFN_PCIE1, ELOG_WAKE_SOURCE_PME_PCIE1 }, + { PCH_DEVFN_PCIE2, ELOG_WAKE_SOURCE_PME_PCIE2 }, + { PCH_DEVFN_PCIE3, ELOG_WAKE_SOURCE_PME_PCIE3 }, + { PCH_DEVFN_PCIE4, ELOG_WAKE_SOURCE_PME_PCIE4 }, + { PCH_DEVFN_PCIE5, ELOG_WAKE_SOURCE_PME_PCIE5 }, + { PCH_DEVFN_PCIE6, ELOG_WAKE_SOURCE_PME_PCIE6 }, + { PCH_DEVFN_PCIE7, ELOG_WAKE_SOURCE_PME_PCIE7 }, + { PCH_DEVFN_PCIE8, ELOG_WAKE_SOURCE_PME_PCIE8 }, + { PCH_DEVFN_PCIE9, ELOG_WAKE_SOURCE_PME_PCIE9 }, + { PCH_DEVFN_PCIE10, ELOG_WAKE_SOURCE_PME_PCIE10 }, + { PCH_DEVFN_PCIE11, ELOG_WAKE_SOURCE_PME_PCIE11 }, + { PCH_DEVFN_PCIE12, ELOG_WAKE_SOURCE_PME_PCIE12 }, + }; + + for (i = 0; i < MIN(CONFIG_MAX_ROOT_PORTS, ARRAY_SIZE(pme_map)); ++i) { + const struct device *dev = pcidev_path_on_root(pme_map[i].devfn); + if (!dev) + continue; + + if (pci_dev_is_wake_source(dev)) + elog_add_event_wake(pme_map[i].wake_source, 0); + } +} + +static void pch_log_wake_source(struct chipset_power_state *ps) { /* Power Button */ if (ps->pm1_sts & PWRBTN_STS) @@ -30,9 +66,9 @@ static void pch_log_wake_source(const struct chipset_power_state *ps) if (ps->pm1_sts & RTC_STS) elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0); - /* PCI Express (TODO: determine wake device) */ + /* PCI Express */ if (ps->pm1_sts & PCIEXPWAK_STS) - elog_add_event_wake(ELOG_WAKE_SOURCE_PCIE, 0); + pch_log_rp_wake_source(); /* PME (TODO: determine wake device) */ if (ps->gpe0_sts[GPE_STD] & PME_STS) |