sb/intel: Factor out soc_fill_gnvs()

Name the common part of GNVS initialisation as soc_fill_gnvs().
It is also moved before the call to acpi_create_gnvs(), which
followup will rename to mainbord_fill_gnvs() to reflect that
implementation is under mb/.

Change-Id: Ic4cf1548b65a86212d6e45d460fcd23bb8036365
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48706
Reviewed-by: Lance Zhao
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

4 files changed, 43 insertions, 45 deletions

diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index a37d298d06..5b8921012e 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -15,7 +15,6 @@
 #include <acpi/acpi_gnvs.h>
 #include <acpi/acpigen.h>
 #include <cpu/x86/smm.h>
-#include <cbmem.h>
 #include <string.h>
 #include "chip.h"
 #include "pch.h"
@@ -652,23 +651,23 @@ void *gnvs_chromeos_ptr(struct global_nvs *gnvs)
 	return &gnvs->chromeos;
 }
 
+void soc_fill_gnvs(struct global_nvs *gnvs)
+{
+	gnvs->apic = 1;
+	gnvs->mpen = 1; /* Enable Multi Processing */
+	gnvs->pcnt = dev_count_cpu();
+}
+
 void southbridge_inject_dsdt(const struct device *dev)
 {
 	struct global_nvs *gnvs = acpi_get_gnvs();
+	if (!gnvs)
+		return;
 
-	if (gnvs) {
-
-		acpi_create_gnvs(gnvs);
-
-		gnvs->apic = 1;
-		gnvs->mpen = 1; /* Enable Multi Processing */
-		gnvs->pcnt = dev_count_cpu();
+	soc_fill_gnvs(gnvs);
+	acpi_create_gnvs(gnvs);
 
-		/* Add it to DSDT.  */
-		acpigen_write_scope("\\");
-		acpigen_write_name_dword("NVSA", (u32) gnvs);
-		acpigen_pop_len();
-	}
+	acpi_inject_nvsa();
 }
 
 static const char *lpc_acpi_name(const struct device *dev)
diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c
index 3a89fbec58..06481ffb0b 100644
--- a/src/southbridge/intel/i82801gx/lpc.c
+++ b/src/southbridge/intel/i82801gx/lpc.c
@@ -16,7 +16,6 @@
 #include <cpu/x86/smm.h>
 #include <acpi/acpigen.h>
 #include <arch/smp/mpspec.h>
-#include <cbmem.h>
 #include <string.h>
 #include <southbridge/intel/common/acpi_pirq_gen.h>
 #include <southbridge/intel/common/pmbase.h>
@@ -484,23 +483,21 @@ size_t gnvs_size_of_array(void)
 	return sizeof(struct global_nvs);
 }
 
+void soc_fill_gnvs(struct global_nvs *gnvs)
+{
+	gnvs->apic = 1;
+	gnvs->mpen = 1; /* Enable Multi Processing */
+}
+
 void southbridge_inject_dsdt(const struct device *dev)
 {
 	struct global_nvs *gnvs = acpi_get_gnvs();
+	if (!gnvs)
+		return;
 
-	if (gnvs) {
-
-		gnvs->apic = 1;
-		gnvs->mpen = 1; /* Enable Multi Processing */
-
-		acpi_create_gnvs(gnvs);
-
-
-		/* Add it to SSDT.  */
-		acpigen_write_scope("\\");
-		acpigen_write_name_dword("NVSA", (u32) gnvs);
-		acpigen_pop_len();
-	}
+	soc_fill_gnvs(gnvs);
+	acpi_create_gnvs(gnvs);
+	acpi_inject_nvsa();
 }
 
 static const char *lpc_acpi_name(const struct device *dev)
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index 4f9a996a16..9ef9e2b390 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -16,7 +16,6 @@
 #include <acpi/acpi_gnvs.h>
 #include <elog.h>
 #include <acpi/acpigen.h>
-#include <cbmem.h>
 #include <string.h>
 #include <cpu/x86/smm.h>
 #include "chip.h"
@@ -547,24 +546,23 @@ size_t gnvs_size_of_array(void)
 	return sizeof(struct global_nvs);
 }
 
+void soc_fill_gnvs(struct global_nvs *gnvs)
+{
+	gnvs->apic = 1;
+	gnvs->mpen = 1; /* Enable Multi Processing */
+	gnvs->pcnt = dev_count_cpu();
+}
+
 void southbridge_inject_dsdt(const struct device *dev)
 {
 	struct global_nvs *gnvs = acpi_get_gnvs();
+	if (!gnvs)
+		return;
 
-	if (gnvs) {
-
-		acpi_create_gnvs(gnvs);
+	soc_fill_gnvs(gnvs);
+	acpi_create_gnvs(gnvs);
 
-		gnvs->apic = 1;
-		gnvs->mpen = 1;		/* Enable Multi Processing */
-		gnvs->pcnt = dev_count_cpu();
-
-
-		/* Add it to SSDT.  */
-		acpigen_write_scope("\\");
-		acpigen_write_name_dword("NVSA", (uintptr_t)gnvs);
-		acpigen_pop_len();
-	}
+	acpi_inject_nvsa();
 }
 
 static const char *lpc_acpi_name(const struct device *dev)
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index 49c7f7ed3c..be39e5e5c2 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -694,18 +694,22 @@ void *gnvs_chromeos_ptr(struct global_nvs *gnvs)
 	return &gnvs->chromeos;
 }
 
+void soc_fill_gnvs(struct global_nvs *gnvs)
+{
+	gnvs->apic = 1;
+	gnvs->mpen = 1; /* Enable Multi Processing */
+	gnvs->pcnt = dev_count_cpu();
+}
+
 void southbridge_inject_dsdt(const struct device *dev)
 {
 	struct global_nvs *gnvs = acpi_get_gnvs();
 	if (!gnvs)
 		return;
 
+	soc_fill_gnvs(gnvs);
 	acpi_create_gnvs(gnvs);
 
-	gnvs->apic = 1;
-	gnvs->mpen = 1; /* Enable Multi Processing */
-	gnvs->pcnt = dev_count_cpu();
-
 	acpi_inject_nvsa();
 }