diff options
| author | Naresh G Solanki <naresh.solanki@intel.com> | 2017-07-03 21:57:11 +0530 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-07-28 16:27:18 +0000 |
| commit | 3c6377fb4fcdff89e1509e9eeab7ce563dc45053 (patch) | |
| tree | 565b598d66ebbaa2848fdf5f93ea9f35446a30b4 | |
| parent | b9810a4cd6ec082eaab476540324ae927cae1b53 (diff) | |
driver/intel/wifi: Update wifi wake source in elog
In S3 resume, wifi is one of the wake sources.
If elog is enabled in config, then log wifi wakes in elog.
BUG=b:36992859
TEST= Build for Soraka. Do WoWlan during S3. Verify elog having update
on wake due to Wifi.
Change-Id: I7d42c5c81e0a3f7a3f94c3f6b7d2ebdf029d1aff
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/20455
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | src/drivers/intel/wifi/wifi.c | 18 | ||||
| -rw-r--r-- | src/include/elog.h | 1 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/drivers/intel/wifi/wifi.c b/src/drivers/intel/wifi/wifi.c index 91c21fecff..d1d5684a19 100644 --- a/src/drivers/intel/wifi/wifi.c +++ b/src/drivers/intel/wifi/wifi.c @@ -21,12 +21,16 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <elog.h> #include <sar.h> #include <smbios.h> #include <string.h> #include <wrdd.h> #include "chip.h" +#define PMCS_DR 0xcc +#define PME_STS (1 << 15) + #if IS_ENABLED(CONFIG_GENERATE_SMBIOS_TABLES) static int smbios_write_wifi(struct device *dev, int *handle, unsigned long *current) @@ -197,6 +201,18 @@ static const char *intel_wifi_acpi_name(struct device *dev) } #endif +static void wifi_pci_dev_init(struct device *dev) +{ + pci_dev_init(dev); + + if (IS_ENABLED(CONFIG_ELOG)) { + uint32_t val; + val = pci_read_config16(dev, PMCS_DR); + if (val & PME_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PME_WIFI, 0); + } +} + static struct pci_operations pci_ops = { .set_subsystem = pci_dev_set_subsystem, }; @@ -205,7 +221,7 @@ struct device_operations device_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, - .init = pci_dev_init, + .init = wifi_pci_dev_init, #if IS_ENABLED(CONFIG_GENERATE_SMBIOS_TABLES) .get_smbios_data = smbios_write_wifi, #endif diff --git a/src/include/elog.h b/src/include/elog.h index 57e278e151..bab7eb0594 100644 --- a/src/include/elog.h +++ b/src/include/elog.h @@ -149,6 +149,7 @@ #define ELOG_WAKE_SOURCE_PME_XDCI 0x1c #define ELOG_WAKE_SOURCE_PME_XHCI_USB_2 0x1d #define ELOG_WAKE_SOURCE_PME_XHCI_USB_3 0x1e +#define ELOG_WAKE_SOURCE_PME_WIFI 0x1f struct elog_event_data_wake { u8 source; |