x86 chipsets: utilize x86_setup_mtrrs_with_detect()

For all the chipsets which were performing the following sequence:
  x86_setup_fixed_mtrrs();
  x86_setup_var_mtrrs(cpuid_eax(0x80000008) & 0xff, 2);

Replace that with x86_setup_mtrrs_with_detect() since it is equivalent.

Change-Id: I9f362dbf38942d675f615d22b9e5770ce65e5a08
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/13936
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>

src/cpu/intel/fsp_model_206ax/model_206ax_init.c

@@ -366,7 +366,6 @@ static void intel_cores_init(struct device *cpu)
 static void model_206ax_init(struct device *cpu)
 {
 	char processor_name[49];
-	struct cpuid_result cpuid_regs;
 
 	/* Turn on caching if we haven't already */
 	x86_enable_cache();
@@ -381,9 +380,7 @@ static void model_206ax_init(struct device *cpu)
 	printk(BIOS_INFO, "CPU: %s.\n", processor_name);
 
 	/* Setup MTRRs based on physical address size */
-	cpuid_regs = cpuid(0x80000008);
+	x86_setup_mtrrs_with_detect();
-	x86_setup_fixed_mtrrs();
-	x86_setup_var_mtrrs(cpuid_regs.eax & 0xff, 2);
 	x86_mtrr_check();
 
 	/* Setup Page Attribute Tables (PAT) */

src/cpu/intel/haswell/haswell_init.c

@@ -717,8 +717,7 @@ static void configure_mca(void)
 static void bsp_init_before_ap_bringup(struct bus *cpu_bus)
 {
 	/* Setup MTRRs based on physical address size. */
-	x86_setup_fixed_mtrrs();
+	x86_setup_mtrrs_with_detect();
-	x86_setup_var_mtrrs(cpuid_eax(0x80000008) & 0xff, 2);
 	x86_mtrr_check();
 
 	initialize_vr_config();

src/cpu/intel/model_2065x/model_2065x_init.c

@@ -358,7 +358,6 @@ static void intel_cores_init(struct device *cpu)
 static void model_2065x_init(struct device *cpu)
 {
 	char processor_name[49];
-	struct cpuid_result cpuid_regs;
 
 	/* Turn on caching if we haven't already */
 	x86_enable_cache();
@@ -374,9 +373,7 @@ static void model_2065x_init(struct device *cpu)
 	printk(BIOS_INFO, "CPU:lapic=%ld, boot_cpu=%d\n", lapicid (), boot_cpu ());
 
 	/* Setup MTRRs based on physical address size */
-	cpuid_regs = cpuid(0x80000008);
+	x86_setup_mtrrs_with_detect();
-	x86_setup_fixed_mtrrs();
-	x86_setup_var_mtrrs(cpuid_regs.eax & 0xff, 2);
 	x86_mtrr_check();
 
 	/* Setup Page Attribute Tables (PAT) */

src/cpu/intel/model_206ax/model_206ax_init.c

@@ -552,7 +552,6 @@ static void intel_cores_init(struct device *cpu)
 static void model_206ax_init(struct device *cpu)
 {
 	char processor_name[49];
-	struct cpuid_result cpuid_regs;
 
 	/* Turn on caching if we haven't already */
 	x86_enable_cache();
@@ -567,9 +566,7 @@ static void model_206ax_init(struct device *cpu)
 	printk(BIOS_INFO, "CPU: %s.\n", processor_name);
 
 	/* Setup MTRRs based on physical address size */
-	cpuid_regs = cpuid(0x80000008);
+	x86_setup_mtrrs_with_detect();
-	x86_setup_fixed_mtrrs();
-	x86_setup_var_mtrrs(cpuid_regs.eax & 0xff, 2);
 	x86_mtrr_check();
 
 	/* Setup Page Attribute Tables (PAT) */

src/soc/intel/baytrail/cpu.c

@@ -83,8 +83,7 @@ void baytrail_init_cpus(device_t dev)
 	void *default_smm_area;
 
 	/* Set up MTRRs based on physical address size. */
-	x86_setup_fixed_mtrrs();
+	x86_setup_mtrrs_with_detect();
-	x86_setup_var_mtrrs(pattrs->address_bits, 2);
 	x86_mtrr_check();
 
 	mp_params.num_cpus = pattrs->num_cpus,

src/soc/intel/braswell/cpu.c

@@ -89,8 +89,7 @@ void soc_init_cpus(device_t dev)
 			__FILE__, __func__, dev_name(dev));
 
 	/* Set up MTRRs based on physical address size. */
-	x86_setup_fixed_mtrrs();
+	x86_setup_mtrrs_with_detect();
-	x86_setup_var_mtrrs(pattrs->address_bits, 2);
 	x86_mtrr_check();
 
 	mp_params.num_cpus = pattrs->num_cpus,

src/soc/intel/broadwell/cpu.c

@@ -573,8 +573,7 @@ static void configure_mca(void)
 static void bsp_init_before_ap_bringup(struct bus *cpu_bus)
 {
 	/* Setup MTRRs based on physical address size. */
-	x86_setup_fixed_mtrrs();
+	x86_setup_mtrrs_with_detect();
-	x86_setup_var_mtrrs(cpuid_eax(0x80000008) & 0xff, 2);
 	x86_mtrr_check();
 
 	initialize_vr_config();

src/soc/intel/skylake/cpu.c

@@ -343,8 +343,7 @@ static void configure_mca(void)
 static void bsp_init_before_ap_bringup(struct bus *cpu_bus)
 {
 	/* Setup MTRRs based on physical address size. */
-	x86_setup_fixed_mtrrs();
+	x86_setup_mtrrs_with_detect();
-	x86_setup_var_mtrrs(cpuid_eax(0x80000008) & 0xff, 2);
 	x86_mtrr_check();
 }