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authorFurquan Shaikh <furquan@chromium.org>2017-10-14 19:25:30 -0700
committerFurquan Shaikh <furquan@google.com>2017-10-19 00:43:30 +0000
commitc565bd44d1318c6bb2cc3d88d8446e4a20059753 (patch)
treedc5c8f05f1d50378b9b0f8f23886eb994c6c256b /src
parent3efeeb2c8f64ce741c49745bf237528744c0b2f5 (diff)
downloadcoreboot-c565bd44d1318c6bb2cc3d88d8446e4a20059753.tar.xz
soc/intel/skylake: Support logging wake source in SMM
This change adds support for logging wake source information in gsmi callbacks. With this change, all the elog logging infrastructure can be used for S0ix as well as S3 on skylake. BUG=b:67874513 Change-Id: Ie1f81e956fe0bbe2e5e4c706f27997b7bd30d5e0 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/22086 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/soc/intel/skylake/Makefile.inc1
-rw-r--r--src/soc/intel/skylake/elog.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index 9a8372b8f1..bc53922670 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -72,6 +72,7 @@ ramstage-y += uart.c
ramstage-$(CONFIG_UART_DEBUG) += uart_debug.c
ramstage-y += vr_config.c
+smm-y += elog.c
smm-y += gpio.c
smm-y += pch.c
smm-y += pmutil.c
diff --git a/src/soc/intel/skylake/elog.c b/src/soc/intel/skylake/elog.c
index c015a7849a..8240457856 100644
--- a/src/soc/intel/skylake/elog.c
+++ b/src/soc/intel/skylake/elog.c
@@ -20,6 +20,7 @@
#include <device/pci_ops.h>
#include <stdint.h>
#include <elog.h>
+#include <intelblocks/pmclib.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/smbus.h>
@@ -382,3 +383,10 @@ static void pch_log_state(void *unused)
}
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);
+}