cpu,soc/intel: Separate single SSDT CPU entry

Change-Id: Ic75e8907de9730c6fdb06dbe799a7644fa90f904
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74399
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>

3 files changed, 57 insertions, 45 deletions

diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c
index 8bfb345db9..1c6023dabd 100644
--- a/src/soc/intel/baytrail/acpi.c
+++ b/src/soc/intel/baytrail/acpi.c
@@ -132,7 +132,7 @@ static int calculate_power(int tdp, int p1_ratio, int ratio)
 	return (int)power;
 }
 
-static void generate_p_state_entries(int core, int cores_per_package)
+static void generate_p_state_entries(int core)
 {
 	int ratio_min, ratio_max, ratio_turbo, ratio_step, ratio_range_2;
 	int coord_type, power_max, power_unit, num_entries;
@@ -247,26 +247,30 @@ static void generate_p_state_entries(int core, int cores_per_package)
 	acpigen_pop_len();
 }
 
-void generate_cpu_entries(const struct device *device)
+static void generate_cpu_entry(int core, int cores_per_package)
 {
-	int core;
-	const struct pattrs *pattrs = pattrs_get();
+	/* Generate Scope(\_SB) { Device(CPUx */
+	acpigen_write_processor_device(core);
 
-	for (core = 0; core < pattrs->num_cpus; core++) {
-		/* Generate Scope(\_SB) { Device(CPUx */
-		acpigen_write_processor_device(core);
+	/* Generate  P-state tables */
+	generate_p_state_entries(core);
 
-		/* Generate  P-state tables */
-		generate_p_state_entries(core, pattrs->num_cpus);
+	/* Generate C-state tables */
+	acpigen_write_CST_package(cstate_map, ARRAY_SIZE(cstate_map));
 
-		/* Generate C-state tables */
-		acpigen_write_CST_package(cstate_map, ARRAY_SIZE(cstate_map));
+	/* Generate T-state tables */
+	generate_t_state_entries(core, cores_per_package);
 
-		/* Generate T-state tables */
-		generate_t_state_entries(core, pattrs->num_cpus);
+	acpigen_write_processor_device_end();
+}
 
-		acpigen_write_processor_device_end();
-	}
+void generate_cpu_entries(const struct device *device)
+{
+	int core;
+	const struct pattrs *pattrs = pattrs_get();
+
+	for (core = 0; core < pattrs->num_cpus; core++)
+		generate_cpu_entry(core, pattrs->num_cpus);
 
 	/* PPKG is usually used for thermal management
 	   of the first and only package. */
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c
index 308da129a1..1927421b40 100644
--- a/src/soc/intel/braswell/acpi.c
+++ b/src/soc/intel/braswell/acpi.c
@@ -161,7 +161,7 @@ static int calculate_power(int tdp, int p1_ratio, int ratio)
 	return (int)power;
 }
 
-static void generate_p_state_entries(int core, int cores_per_package)
+static void generate_p_state_entries(int core)
 {
 	int ratio_min, ratio_max, ratio_turbo, ratio_step, ratio_range_2;
 	int coord_type, power_max, power_unit, num_entries;
@@ -276,26 +276,30 @@ static void generate_p_state_entries(int core, int cores_per_package)
 	acpigen_pop_len();
 }
 
-void generate_cpu_entries(const struct device *device)
+static void generate_cpu_entry(int core, int cores_per_package)
 {
-	int core;
-	const struct pattrs *pattrs = pattrs_get();
+	/* Generate Scope(\_SB) { Device(CPUx */
+	acpigen_write_processor_device(core);
 
-	for (core = 0; core < pattrs->num_cpus; core++) {
-		/* Generate Scope(\_SB) { Device(CPUx */
-		acpigen_write_processor_device(core);
+	/* Generate  P-state tables */
+	generate_p_state_entries(core);
 
-		/* Generate  P-state tables */
-		generate_p_state_entries(core, pattrs->num_cpus);
+	/* Generate C-state tables */
+	acpigen_write_CST_package(cstate_map, ARRAY_SIZE(cstate_map));
 
-		/* Generate C-state tables */
-		acpigen_write_CST_package(cstate_map, ARRAY_SIZE(cstate_map));
+	/* Generate T-state tables */
+	generate_t_state_entries(core, cores_per_package);
 
-		/* Generate T-state tables */
-		generate_t_state_entries(core, pattrs->num_cpus);
+	acpigen_write_processor_device_end();
+}
 
-		acpigen_write_processor_device_end();
-	}
+void generate_cpu_entries(const struct device *device)
+{
+	int core;
+	const struct pattrs *pattrs = pattrs_get();
+
+	for (core = 0; core < pattrs->num_cpus; core++)
+		generate_cpu_entry(core, pattrs->num_cpus);
 
 	/* PPKG is usually used for thermal management
 	   of the first and only package. */
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index 51649d0aee..cfc15a840d 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -384,6 +384,22 @@ __weak void soc_power_states_generation(int core_id,
 {
 }
 
+static void generate_cpu_entry(int cpu, int core, int cores_per_package)
+{
+	/* Generate processor \_SB.CPUx */
+	acpigen_write_processor_device(cpu * cores_per_package + core);
+
+	/* Generate C-state tables */
+	generate_c_state_entries();
+
+	generate_cppc_entries(core);
+
+	/* Soc specific power states generation */
+	soc_power_states_generation(core, cores_per_package);
+
+	acpigen_write_processor_device_end();
+}
+
 void generate_cpu_entries(const struct device *device)
 {
 	int core_id, cpu_id;
@@ -398,22 +414,10 @@ void generate_cpu_entries(const struct device *device)
 	printk(BIOS_DEBUG, "Found %d CPU(s) with %d/%d physical/logical core(s) each.\n",
 	       numcpus, num_phys, num_virt);
 
-	for (cpu_id = 0; cpu_id < numcpus; cpu_id++) {
-		for (core_id = 0; core_id < num_virt; core_id++) {
-			/* Generate processor \_SB.CPUx */
-			acpigen_write_processor_device(cpu_id * num_virt + core_id);
-
-			/* Generate C-state tables */
-			generate_c_state_entries();
+	for (cpu_id = 0; cpu_id < numcpus; cpu_id++)
+		for (core_id = 0; core_id < num_virt; core_id++)
+			generate_cpu_entry(cpu_id, core_id, num_virt);
 
-			generate_cppc_entries(core_id);
-
-			/* Soc specific power states generation */
-			soc_power_states_generation(core_id, num_virt);
-
-			acpigen_write_processor_device_end();
-		}
-	}
 	/* PPKG is usually used for thermal management
 	   of the first and only package. */
 	acpigen_write_processor_package("PPKG", 0, num_virt);