arch/x86: Create helper for APM_CNT SMI triggers

Attempts to write to APM_CNT IO port should always be guarded
with a test to verify SMI handler has been installed.

Immediate followup removes redundant HAVE_SMI_HANDLER tests.

Change-Id: If3fb0f1a8b32076f1d9f3fea9f817dd4b093ad98
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41971
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

9 files changed, 9 insertions, 26 deletions

diff --git a/src/soc/intel/broadwell/lpc.c b/src/soc/intel/broadwell/lpc.c
index 5cfeb5fe22..d5f8451272 100644
--- a/src/soc/intel/broadwell/lpc.c
+++ b/src/soc/intel/broadwell/lpc.c
@@ -410,9 +410,7 @@ static void pch_cg_init(struct device *dev)
 static void pch_set_acpi_mode(void)
 {
 	if (CONFIG(HAVE_SMI_HANDLER) && !acpi_is_wakeup_s3()) {
-		printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
-		outb(APM_CNT_ACPI_DISABLE, APM_CNT);
-		printk(BIOS_DEBUG, "done.\n");
+		apm_control(APM_CNT_ACPI_DISABLE);
 	}
 }
 
diff --git a/src/soc/intel/cannonlake/finalize.c b/src/soc/intel/cannonlake/finalize.c
index a693735ac3..49e9d7f66a 100644
--- a/src/soc/intel/cannonlake/finalize.c
+++ b/src/soc/intel/cannonlake/finalize.c
@@ -101,9 +101,7 @@ static void soc_finalize(void *unused)
 	printk(BIOS_DEBUG, "Finalizing chipset.\n");
 
 	pch_finalize();
-
-	printk(BIOS_DEBUG, "Finalizing SMM.\n");
-	outb(APM_CNT_FINALIZE, APM_CNT);
+	apm_control(APM_CNT_FINALIZE);
 
 	/* Indicate finalize step with post code */
 	post_code(POST_OS_BOOT);
diff --git a/src/soc/intel/common/block/pmc/pmc.c b/src/soc/intel/common/block/pmc/pmc.c
index 524e36a554..cc004191ef 100644
--- a/src/soc/intel/common/block/pmc/pmc.c
+++ b/src/soc/intel/common/block/pmc/pmc.c
@@ -94,9 +94,7 @@ static void pch_pmc_read_resources(struct device *dev)
 void pmc_set_acpi_mode(void)
 {
 	if (CONFIG(HAVE_SMI_HANDLER) && !acpi_is_wakeup_s3()) {
-		printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
-		outb(APM_CNT_ACPI_DISABLE, APM_CNT);
-		printk(BIOS_DEBUG, "done.\n");
+		apm_control(APM_CNT_ACPI_DISABLE);
 	}
 }
 
diff --git a/src/soc/intel/denverton_ns/lpc.c b/src/soc/intel/denverton_ns/lpc.c
index 05c648438c..228e0f65ae 100644
--- a/src/soc/intel/denverton_ns/lpc.c
+++ b/src/soc/intel/denverton_ns/lpc.c
@@ -555,8 +555,7 @@ static const struct pci_driver lpc_driver __pci_driver = {
 
 static void finalize_chipset(void *unused)
 {
-	printk(BIOS_DEBUG, "Finalizing SMM.\n");
-	outb(APM_CNT_FINALIZE, APM_CNT);
+	apm_control(APM_CNT_FINALIZE);
 }
 
 BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, finalize_chipset, NULL);
diff --git a/src/soc/intel/denverton_ns/pmc.c b/src/soc/intel/denverton_ns/pmc.c
index 25a0e59ba5..3c592fe05f 100644
--- a/src/soc/intel/denverton_ns/pmc.c
+++ b/src/soc/intel/denverton_ns/pmc.c
@@ -25,9 +25,7 @@ static void pch_power_options(struct device *dev) { /* TODO */ }
 static void pch_set_acpi_mode(void)
 {
 	if (CONFIG(HAVE_SMI_HANDLER) && !acpi_is_wakeup_s3()) {
-		printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
-		outb(APM_CNT_ACPI_DISABLE, APM_CNT);
-		printk(BIOS_DEBUG, "done.\n");
+		apm_control(APM_CNT_ACPI_DISABLE);
 	}
 }
 
diff --git a/src/soc/intel/icelake/finalize.c b/src/soc/intel/icelake/finalize.c
index 78a3108423..fdeaaaddde 100644
--- a/src/soc/intel/icelake/finalize.c
+++ b/src/soc/intel/icelake/finalize.c
@@ -94,9 +94,7 @@ static void soc_finalize(void *unused)
 	printk(BIOS_DEBUG, "Finalizing chipset.\n");
 
 	pch_finalize();
-
-	printk(BIOS_DEBUG, "Finalizing SMM.\n");
-	outb(APM_CNT_FINALIZE, APM_CNT);
+	apm_control(APM_CNT_FINALIZE);
 
 	/* Indicate finalize step with post code */
 	post_code(POST_OS_BOOT);
diff --git a/src/soc/intel/jasperlake/finalize.c b/src/soc/intel/jasperlake/finalize.c
index f801960a12..d16080fd50 100644
--- a/src/soc/intel/jasperlake/finalize.c
+++ b/src/soc/intel/jasperlake/finalize.c
@@ -87,9 +87,7 @@ static void soc_finalize(void *unused)
 	printk(BIOS_DEBUG, "Finalizing chipset.\n");
 
 	pch_finalize();
-
-	printk(BIOS_DEBUG, "Finalizing SMM.\n");
-	outb(APM_CNT_FINALIZE, APM_CNT);
+	apm_control(APM_CNT_FINALIZE);
 
 	/* Indicate finalize step with post code */
 	post_code(POST_OS_BOOT);
diff --git a/src/soc/intel/skylake/finalize.c b/src/soc/intel/skylake/finalize.c
index b20f391f8d..dbb451c6be 100644
--- a/src/soc/intel/skylake/finalize.c
+++ b/src/soc/intel/skylake/finalize.c
@@ -128,9 +128,7 @@ static void soc_finalize(void *unused)
 	pch_finalize_script(dev);
 
 	soc_lockdown(dev);
-
-	printk(BIOS_DEBUG, "Finalizing SMM.\n");
-	outb(APM_CNT_FINALIZE, APM_CNT);
+	apm_control(APM_CNT_FINALIZE);
 
 	/* Indicate finalize step with post code */
 	post_code(POST_OS_BOOT);
diff --git a/src/soc/intel/tigerlake/finalize.c b/src/soc/intel/tigerlake/finalize.c
index a402625799..d0dc30e056 100644
--- a/src/soc/intel/tigerlake/finalize.c
+++ b/src/soc/intel/tigerlake/finalize.c
@@ -73,9 +73,7 @@ static void soc_finalize(void *unused)
 	printk(BIOS_DEBUG, "Finalizing chipset.\n");
 
 	pch_finalize();
-
-	printk(BIOS_DEBUG, "Finalizing SMM.\n");
-	outb(APM_CNT_FINALIZE, APM_CNT);
+	apm_control(APM_CNT_FINALIZE);
 
 	/* Indicate finalize step with post code */
 	post_code(POST_OS_BOOT);