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-rw-r--r--src/soc/intel/apollolake/include/soc/pm.h4
-rw-r--r--src/soc/intel/cannonlake/include/soc/pm.h2
-rw-r--r--src/soc/intel/common/block/smm/smm.c5
-rw-r--r--src/soc/intel/icelake/include/soc/pm.h2
-rw-r--r--src/soc/intel/skylake/include/soc/pm.h2
-rw-r--r--src/soc/intel/tigerlake/include/soc/pm.h2
6 files changed, 10 insertions, 7 deletions
diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index 0cf06b2a60..510dd03da7 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -78,7 +78,7 @@
#endif
#define USB_EN (1 << SMI_XHCI) /* Legacy USB2 SMI logic */
#define PERIODIC_EN (1 << SMI_PERIODIC) /* SMI on PERIODIC_STS in SMI_STS */
-#define TCO_EN (1 << SMI_TCO) /* Enable TCO Logic (BIOSWE et al) */
+#define TCO_SMI_EN (1 << SMI_TCO) /* Enable TCO Logic (BIOSWE et al) */
#define GPIO_EN (1 << SMI_GPIO) /* Enable GPIO SMI */
#define BIOS_RLS (1 << SMI_BIOS_RLS) /* asserts SCI on bit set */
/* start software smi timer on bit set */
@@ -99,7 +99,7 @@
* - on eSPI events (does nothing on LPC systems)
* No SMIs:
* - on microcontroller writes (io 0x62/0x66)
- * - on TCO events
+ * - on TCO events, unless enabled in common code
*/
#define ENABLE_SMI_PARAMS \
(ESPI_SMI_EN | APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS | GPIO_EN)
diff --git a/src/soc/intel/cannonlake/include/soc/pm.h b/src/soc/intel/cannonlake/include/soc/pm.h
index 356f0bcc6f..77109651f0 100644
--- a/src/soc/intel/cannonlake/include/soc/pm.h
+++ b/src/soc/intel/cannonlake/include/soc/pm.h
@@ -128,7 +128,7 @@
* - on eSPI events (does nothing on LPC systems)
* No SMIs:
* - on microcontroller writes (io 0x62/0x66)
- * - on TCO events
+ * - on TCO events, unless enabled in common code
*/
#define ENABLE_SMI_PARAMS \
(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)
diff --git a/src/soc/intel/common/block/smm/smm.c b/src/soc/intel/common/block/smm/smm.c
index bef923ac1a..ecea473645 100644
--- a/src/soc/intel/common/block/smm/smm.c
+++ b/src/soc/intel/common/block/smm/smm.c
@@ -63,13 +63,16 @@ void smm_southbridge_enable(uint16_t pm1_events)
* - on writes to SLP_EN (sleep states)
* - on writes to GBL_RLS (bios commands)
* - on eSPI events, unless disabled (does nothing on LPC systems)
+ * - on TCO events (TIMEOUT, case intrusion, ...), if enabled
* No SMIs:
* - on microcontroller writes (io 0x62/0x66)
- * - on TCO events
*/
if (CONFIG(SOC_INTEL_COMMON_BLOCK_SMM_ESPI_DISABLE))
smi_params &= ~ESPI_SMI_EN;
+ if (CONFIG(SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE))
+ smi_params |= TCO_SMI_EN;
+
/* Enable SMI generation: */
pmc_enable_smi(smi_params);
}
diff --git a/src/soc/intel/icelake/include/soc/pm.h b/src/soc/intel/icelake/include/soc/pm.h
index 34c32a9ac2..5bdefc9e4a 100644
--- a/src/soc/intel/icelake/include/soc/pm.h
+++ b/src/soc/intel/icelake/include/soc/pm.h
@@ -126,8 +126,8 @@
* - on writes to GBL_RLS (bios commands)
* - on eSPI events (does nothing on LPC systems)
* No SMIs:
+ * - on TCO events, unless enabled in common code
* - on microcontroller writes (io 0x62/0x66)
- * - on TCO events
*/
#define ENABLE_SMI_PARAMS \
(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)
diff --git a/src/soc/intel/skylake/include/soc/pm.h b/src/soc/intel/skylake/include/soc/pm.h
index 007d29cadc..faad1efa05 100644
--- a/src/soc/intel/skylake/include/soc/pm.h
+++ b/src/soc/intel/skylake/include/soc/pm.h
@@ -142,8 +142,8 @@
* - on writes to GBL_RLS (bios commands)
* - on eSPI events (does nothing on LPC systems)
* No SMIs:
+ * - on TCO events, unless enabled in common code
* - on microcontroller writes (io 0x62/0x66)
- * - on TCO events
*/
#define ENABLE_SMI_PARAMS \
(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)
diff --git a/src/soc/intel/tigerlake/include/soc/pm.h b/src/soc/intel/tigerlake/include/soc/pm.h
index d2f47e271b..588dfba7ba 100644
--- a/src/soc/intel/tigerlake/include/soc/pm.h
+++ b/src/soc/intel/tigerlake/include/soc/pm.h
@@ -132,8 +132,8 @@
* - on writes to GBL_RLS (bios commands)
* - on eSPI events (does nothing on LPC systems)
* No SMIs:
+ * - on TCO events, unless enabled in common code
* - on microcontroller writes (io 0x62/0x66)
- * - on TCO events
*/
#define ENABLE_SMI_PARAMS \
(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)