soc/amd: factor out common acpi_add_ivrs_table implementation

Instead of open-coding this functionality in all AMD SoCs, factor it out
into a common implementation.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Idb65c398b747e70ec67107e0a1d4bd6551501347
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80208
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

8 files changed, 21 insertions, 42 deletions

diff --git a/src/soc/amd/cezanne/agesa_acpi.c b/src/soc/amd/cezanne/agesa_acpi.c
index fdfe3eb3d774..e6ccd9cbd541 100644
--- a/src/soc/amd/cezanne/agesa_acpi.c
+++ b/src/soc/amd/cezanne/agesa_acpi.c
@@ -10,8 +10,6 @@
 uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
 				  acpi_rsdp_t *rsdp)
 {
-	acpi_ivrs_t *ivrs;
-
 	/* TODO: look into adding CRAT */
 
 	/* add ALIB SSDT from HOB */
@@ -19,11 +17,7 @@ uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current
 	current = add_agesa_fsp_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current);
 
 	/* IVRS */
-	current = acpi_align_current(current);
-	ivrs = (acpi_ivrs_t *)current;
-	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
-	current += ivrs->header.length;
-	acpi_add_table(rsdp, ivrs);
+	current = acpi_add_ivrs_table(current, rsdp);
 
 	return current;
 }
diff --git a/src/soc/amd/common/block/acpi/ivrs.c b/src/soc/amd/common/block/acpi/ivrs.c
index 605c4f56b3b2..547163c6ff51 100644
--- a/src/soc/amd/common/block/acpi/ivrs.c
+++ b/src/soc/amd/common/block/acpi/ivrs.c
@@ -297,7 +297,7 @@ static unsigned long acpi_fill_ivrs11(unsigned long current, acpi_ivrs_ivhd_t *i
 	return acpi_fill_ivrs40(current, ivhd, nb_dev, iommu_dev);
 }
 
-unsigned long acpi_fill_ivrs(acpi_ivrs_t *ivrs, unsigned long current)
+static unsigned long acpi_fill_ivrs(acpi_ivrs_t *ivrs, unsigned long current)
 {
 	unsigned long current_backup;
 	uint64_t mmio_x30_value;
@@ -433,3 +433,16 @@ unsigned long acpi_fill_ivrs(acpi_ivrs_t *ivrs, unsigned long current)
 
 	return current;
 }
+
+unsigned long acpi_add_ivrs_table(unsigned long current, acpi_rsdp_t *rsdp)
+{
+	acpi_ivrs_t *ivrs;
+
+	current = acpi_align_current(current);
+	ivrs = (acpi_ivrs_t *)current;
+	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
+	current += ivrs->header.length;
+	acpi_add_table(rsdp, ivrs);
+
+	return current;
+}
diff --git a/src/soc/amd/common/block/include/amdblocks/acpi.h b/src/soc/amd/common/block/include/amdblocks/acpi.h
index 9c70864988e5..a195371cb920 100644
--- a/src/soc/amd/common/block/include/amdblocks/acpi.h
+++ b/src/soc/amd/common/block/include/amdblocks/acpi.h
@@ -56,6 +56,6 @@ uintptr_t add_agesa_fsp_acpi_table(guid_t guid, const char *name, acpi_rsdp_t *r
 				   uintptr_t current);
 
 void acpi_log_events(const struct chipset_power_state *ps);
-unsigned long acpi_fill_ivrs(acpi_ivrs_t *ivrs, unsigned long current);
+unsigned long acpi_add_ivrs_table(unsigned long current, acpi_rsdp_t *rsdp);
 
 #endif /* AMD_BLOCK_ACPI_H */
diff --git a/src/soc/amd/genoa_poc/acpi.c b/src/soc/amd/genoa_poc/acpi.c
index 7762e9d4c7a4..cadf8db2f0d6 100644
--- a/src/soc/amd/genoa_poc/acpi.c
+++ b/src/soc/amd/genoa_poc/acpi.c
@@ -42,12 +42,7 @@ unsigned long soc_acpi_write_tables(const struct device *device, unsigned long c
 				    struct acpi_rsdp *rsdp)
 {
 	/* IVRS */
-	acpi_ivrs_t *ivrs;
-	current = acpi_align_current(current);
-	ivrs = (acpi_ivrs_t *)current;
-	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
-	current += ivrs->header.length;
-	acpi_add_table(rsdp, ivrs);
+	current = acpi_add_ivrs_table(current, rsdp);
 
 	return current;
 }
diff --git a/src/soc/amd/glinda/agesa_acpi.c b/src/soc/amd/glinda/agesa_acpi.c
index 7ac19c72de99..f6c3c984f215 100644
--- a/src/soc/amd/glinda/agesa_acpi.c
+++ b/src/soc/amd/glinda/agesa_acpi.c
@@ -12,8 +12,6 @@
 uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
 				  acpi_rsdp_t *rsdp)
 {
-	acpi_ivrs_t *ivrs;
-
 	/* TODO: look into adding CRAT */
 
 	/* add ALIB SSDT from HOB */
@@ -21,11 +19,7 @@ uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current
 	current = add_agesa_fsp_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current);
 
 	/* IVRS */
-	current = acpi_align_current(current);
-	ivrs = (acpi_ivrs_t *)current;
-	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
-	current += ivrs->header.length;
-	acpi_add_table(rsdp, ivrs);
+	current = acpi_add_ivrs_table(current, rsdp);
 
 	return current;
 }
diff --git a/src/soc/amd/mendocino/agesa_acpi.c b/src/soc/amd/mendocino/agesa_acpi.c
index d60a79d51fe8..1e4d6005e7f0 100644
--- a/src/soc/amd/mendocino/agesa_acpi.c
+++ b/src/soc/amd/mendocino/agesa_acpi.c
@@ -12,8 +12,6 @@
 uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
 				  acpi_rsdp_t *rsdp)
 {
-	acpi_ivrs_t *ivrs;
-
 	/* TODO: look into adding CRAT */
 
 	/* add ALIB SSDT from HOB */
@@ -21,11 +19,7 @@ uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current
 	current = add_agesa_fsp_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current);
 
 	/* IVRS */
-	current = acpi_align_current(current);
-	ivrs = (acpi_ivrs_t *)current;
-	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
-	current += ivrs->header.length;
-	acpi_add_table(rsdp, ivrs);
+	current = acpi_add_ivrs_table(current, rsdp);
 
 	return current;
 }
diff --git a/src/soc/amd/phoenix/agesa_acpi.c b/src/soc/amd/phoenix/agesa_acpi.c
index 251acc6c3111..598ae8115415 100644
--- a/src/soc/amd/phoenix/agesa_acpi.c
+++ b/src/soc/amd/phoenix/agesa_acpi.c
@@ -13,8 +13,6 @@
 uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
 				  acpi_rsdp_t *rsdp)
 {
-	acpi_ivrs_t *ivrs;
-
 	/* TODO: look into adding CRAT */
 
 	/* add ALIB SSDT from HOB */
@@ -22,11 +20,7 @@ uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current
 	current = add_agesa_fsp_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current);
 
 	/* IVRS */
-	current = acpi_align_current(current);
-	ivrs = (acpi_ivrs_t *)current;
-	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
-	current += ivrs->header.length;
-	acpi_add_table(rsdp, ivrs);
+	current = acpi_add_ivrs_table(current, rsdp);
 
 	return current;
 }
diff --git a/src/soc/amd/picasso/agesa_acpi.c b/src/soc/amd/picasso/agesa_acpi.c
index 9ee977f2aca5..7a32779f60b0 100644
--- a/src/soc/amd/picasso/agesa_acpi.c
+++ b/src/soc/amd/picasso/agesa_acpi.c
@@ -542,7 +542,6 @@ static unsigned long acpi_fill_crat(struct acpi_crat_header *crat, unsigned long
 uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
 				  acpi_rsdp_t *rsdp)
 {
-	acpi_ivrs_t *ivrs;
 	struct acpi_crat_header *crat;
 
 	/* CRAT */
@@ -557,11 +556,7 @@ uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current
 	current = add_agesa_fsp_acpi_table(AMD_FSP_ACPI_ALIB_HOB_GUID, "ALIB", rsdp, current);
 
 	/* IVRS */
-	current = acpi_align_current(current);
-	ivrs = (acpi_ivrs_t *)current;
-	acpi_create_ivrs(ivrs, acpi_fill_ivrs);
-	current += ivrs->header.length;
-	acpi_add_table(rsdp, ivrs);
+	current = acpi_add_ivrs_table(current, rsdp);
 
 	/* Add SRAT, MSCT, SLIT if needed in the future */