14 files changed, 9 insertions, 100 deletions

diff --git a/src/soc/intel/baytrail/smm.c b/src/soc/intel/baytrail/smm.c
index 58238db627e8..c70388abadef 100644
--- a/src/soc/intel/baytrail/smm.c
+++ b/src/soc/intel/baytrail/smm.c
@@ -97,22 +97,3 @@ void global_smi_enable(void)
 {
 	smm_southbridge_enable(PWRBTN_EN | GBL_EN);
 }
-
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
-{
-	/*
-	 * Issue SMI to set the gnvs pointer in SMM.
-	 * tcg and smi1 are unused.
-	 *
-	 * EAX = APM_CNT_GNVS_UPDATE
-	 * EBX = gnvs pointer
-	 * EDX = APM_CNT
-	 */
-	asm volatile (
-		"outb %%al, %%dx\n\t"
-		: /* ignore result */
-		: "a" (APM_CNT_GNVS_UPDATE),
-		  "b" ((uint32_t)gnvs),
-		  "d" (APM_CNT)
-	);
-}
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index fb63a567fa08..679c04d49187 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -494,7 +494,7 @@ static void southcluster_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* And tell SMI about it */
-		smm_setup_structures(gnvs, NULL, NULL);
+		apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		acpigen_write_scope("\\");
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c
index 53379a0da460..1290d625ac35 100644
--- a/src/soc/intel/braswell/acpi.c
+++ b/src/soc/intel/braswell/acpi.c
@@ -512,7 +512,7 @@ void southcluster_inject_dsdt(const struct device *device)
 			gnvs->cid1 = WRDD_DEFAULT_REGULATORY_DOMAIN;
 
 		/* And tell SMI about it */
-		smm_setup_structures(gnvs, NULL, NULL);
+		apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT */
 		acpigen_write_scope("\\");
diff --git a/src/soc/intel/braswell/smm.c b/src/soc/intel/braswell/smm.c
index e3ebc323045c..3f3c53fa74b2 100644
--- a/src/soc/intel/braswell/smm.c
+++ b/src/soc/intel/braswell/smm.c
@@ -99,22 +99,3 @@ void global_smi_enable(void)
 {
 	smm_southbridge_enable(PWRBTN_EN | GBL_EN);
 }
-
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
-{
-	/*
-	 * Issue SMI to set the gnvs pointer in SMM.
-	 * tcg and smi1 are unused.
-	 *
-	 * EAX = APM_CNT_GNVS_UPDATE
-	 * EBX = gnvs pointer
-	 * EDX = APM_CNT
-	 */
-	asm volatile (
-		"outb %%al, %%dx\n\t"
-		: /* ignore result */
-		: "a" (APM_CNT_GNVS_UPDATE),
-		  "b" ((uint32_t)gnvs),
-		  "d" (APM_CNT)
-	);
-}
diff --git a/src/soc/intel/broadwell/lpc.c b/src/soc/intel/broadwell/lpc.c
index b84129108654..1e96286990a4 100644
--- a/src/soc/intel/broadwell/lpc.c
+++ b/src/soc/intel/broadwell/lpc.c
@@ -584,7 +584,7 @@ static void southcluster_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* And tell SMI about it */
-		smm_setup_structures(gnvs, NULL, NULL);
+		apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		acpigen_write_scope("\\");
diff --git a/src/soc/intel/broadwell/smi.c b/src/soc/intel/broadwell/smi.c
index 9d8d25e8415b..317da0cc2d57 100644
--- a/src/soc/intel/broadwell/smi.c
+++ b/src/soc/intel/broadwell/smi.c
@@ -86,22 +86,3 @@ static void __unused southbridge_clear_smi_status(void)
 	/* Set EOS bit so other SMIs can occur. */
 	enable_smi(EOS);
 }
-
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
-{
-	/*
-	 * Issue SMI to set the gnvs pointer in SMM.
-	 * tcg and smi1 are unused.
-	 *
-	 * EAX = APM_CNT_GNVS_UPDATE
-	 * EBX = gnvs pointer
-	 * EDX = APM_CNT
-	 */
-	asm volatile (
-		"outb %%al, %%dx\n\t"
-		: /* ignore result */
-		: "a" (APM_CNT_GNVS_UPDATE),
-		  "b" ((u32)gnvs),
-		  "d" (APM_CNT)
-	);
-}
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index 8d75c9a147db..c497399ba2d2 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -240,7 +240,7 @@ void southbridge_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* And tell SMI about it */
-		smm_setup_structures(gnvs, NULL, NULL);
+		apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		acpigen_write_scope("\\");
diff --git a/src/soc/intel/common/block/smm/smm.c b/src/soc/intel/common/block/smm/smm.c
index 0b120a7023aa..2fd97da22172 100644
--- a/src/soc/intel/common/block/smm/smm.c
+++ b/src/soc/intel/common/block/smm/smm.c
@@ -70,22 +70,3 @@ void global_smi_enable_no_pwrbtn(void)
 {
 	smm_southbridge_enable(GBL_EN);
 }
-
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
-{
-	/*
-	 * Issue SMI to set the gnvs pointer in SMM.
-	 * tcg and smi1 are unused.
-	 *
-	 * EAX = APM_CNT_GNVS_UPDATE
-	 * EBX = gnvs pointer
-	 * EDX = APM_CNT
-	 */
-	asm volatile (
-		"outb %%al, %%dx\n\t"
-		: /* ignore result */
-		: "a" (APM_CNT_GNVS_UPDATE),
-		  "b" ((u32)gnvs),
-		  "d" (APM_CNT)
-	);
-}
diff --git a/src/soc/intel/denverton_ns/acpi.c b/src/soc/intel/denverton_ns/acpi.c
index 3b3e37a01bb1..014625caa665 100644
--- a/src/soc/intel/denverton_ns/acpi.c
+++ b/src/soc/intel/denverton_ns/acpi.c
@@ -292,7 +292,7 @@ void southcluster_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* And tell SMI about it */
-		smm_setup_structures(gnvs, NULL, NULL);
+		apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		acpigen_write_scope("\\");
diff --git a/src/soc/intel/denverton_ns/smm.c b/src/soc/intel/denverton_ns/smm.c
index b4970adf9daf..e7ed28d82775 100644
--- a/src/soc/intel/denverton_ns/smm.c
+++ b/src/soc/intel/denverton_ns/smm.c
@@ -56,19 +56,3 @@ void global_smi_enable(void)
 {
 	smm_southbridge_enable(PWRBTN_EN | GBL_EN);
 }
-
-void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
-{
-	/*
-	 * Issue SMI to set the gnvs pointer in SMM.
-	 * tcg and smi1 are unused.
-	 *
-	 * EAX = APM_CNT_GNVS_UPDATE
-	 * EBX = gnvs pointer
-	 * EDX = APM_CNT
-	 */
-	asm volatile("outb %%al, %%dx\n\t"
-		     : /* ignore result */
-		     : "a"(APM_CNT_GNVS_UPDATE), "b"((uint32_t)gnvs),
-		       "d"(APM_CNT));
-}
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c
index 6ff836a9321a..414a14f4e097 100644
--- a/src/soc/intel/skylake/acpi.c
+++ b/src/soc/intel/skylake/acpi.c
@@ -655,7 +655,7 @@ void southbridge_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* And tell SMI about it */
-		smm_setup_structures(gnvs, NULL, NULL);
+		apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		acpigen_write_scope("\\");
diff --git a/src/soc/intel/xeon_sp/Kconfig b/src/soc/intel/xeon_sp/Kconfig
index 66833017aefd..954256236b65 100644
--- a/src/soc/intel/xeon_sp/Kconfig
+++ b/src/soc/intel/xeon_sp/Kconfig
@@ -38,6 +38,7 @@ config	CPU_SPECIFIC_OPTIONS
 	select POSTCAR_STAGE
 	select IOAPIC
 	select PARALLEL_MP
+	select ACPI_NO_SMI_GNVS
 	select SMP
 	select INTEL_DESCRIPTOR_MODE_CAPABLE
 	select SOC_INTEL_COMMON_BLOCK
diff --git a/src/soc/intel/xeon_sp/cpx/acpi.c b/src/soc/intel/xeon_sp/cpx/acpi.c
index abaa45397ec1..026185714ebd 100644
--- a/src/soc/intel/xeon_sp/cpx/acpi.c
+++ b/src/soc/intel/xeon_sp/cpx/acpi.c
@@ -120,7 +120,7 @@ void southbridge_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* TODO: tell SMI about it, if HAVE_SMI_HANDLER */
-		// smm_setup_structures(gnvs, NULL, NULL);
+		// apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		printk(BIOS_SPEW, "%s injecting NVSA with 0x%x\n", __FILE__, (uint32_t)gnvs);
diff --git a/src/soc/intel/xeon_sp/skx/acpi.c b/src/soc/intel/xeon_sp/skx/acpi.c
index 3da2025e53b5..17da9a929f12 100644
--- a/src/soc/intel/xeon_sp/skx/acpi.c
+++ b/src/soc/intel/xeon_sp/skx/acpi.c
@@ -968,7 +968,7 @@ void southbridge_inject_dsdt(const struct device *device)
 	if (gnvs) {
 		acpi_create_gnvs(gnvs);
 		/* TODO: tell SMI about it, if HAVE_SMI_HANDLER */
-		// smm_setup_structures(gnvs, NULL, NULL);
+		// apm_control(APM_CNT_GNVS_UPDATE);
 
 		/* Add it to DSDT.  */
 		printk(BIOS_SPEW, "%s injecting NVSA with 0x%x\n", __FILE__, (uint32_t)gnvs);