Replace SERIAL_CPU_INIT with PARALLEL_CPU_INIT

Lines with 'select SERIAL_CPU_INIT' where redundant with the
default being yes. Since there is no 'unselect SERIAL_CPU_INIT'
possibility, invert the default and rename option.

This squelches Kconfig warnings about unmet dependencies.

Change-Id: Iae546c56006278489ebae10f2daa627af48abe94
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5700
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/cpu/intel/fsp_model_206ax/Kconfig

@@ -37,16 +37,13 @@ config CPU_SPECIFIC_OPTIONS
 	select UDELAY_LAPIC
 	select SMM_TSEG
 	select SUPPORT_CPU_UCODE_IN_CBFS if HAVE_FSP_BIN
+	select PARALLEL_CPU_INIT
 	select TSC_SYNC_MFENCE
 
 config BOOTBLOCK_CPU_INIT
 	string
 	default "cpu/intel/fsp_model_206ax/bootblock.c"
 
-config SERIAL_CPU_INIT
-	bool
-	default n
-
 config SMM_TSEG_SIZE
 	hex
 	default 0x800000

src/cpu/intel/haswell/Kconfig

@@ -22,16 +22,13 @@ config CPU_SPECIFIC_OPTIONS
 	#select AP_IN_SIPI_WAIT
 	select TSC_SYNC_MFENCE
 	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
+	select PARALLEL_CPU_INIT
 	select PARALLEL_MP
 
 config BOOTBLOCK_CPU_INIT
 	string
 	default "cpu/intel/haswell/bootblock.c"
 
-config SERIAL_CPU_INIT
-	bool
-	default n
-
 config SMM_TSEG_SIZE
 	hex
 	default 0x800000

src/cpu/intel/hyperthreading/intel_sibling.c

@@ -7,7 +7,7 @@
 #include <smp/spinlock.h>
 #include <assert.h>
 
-#if !CONFIG_SERIAL_CPU_INIT
+#if CONFIG_PARALLEL_CPU_INIT
 #error Intel hyper-threading requires serialized cpu init
 #endif
 

src/cpu/intel/model_2065x/Kconfig

@@ -15,6 +15,7 @@ config CPU_SPECIFIC_OPTIONS
 	select TSC_CONSTANT_RATE
 	select SMM_TSEG
 	select SUPPORT_CPU_UCODE_IN_CBFS
+	select PARALLEL_CPU_INIT
 	#select AP_IN_SIPI_WAIT
 	select TSC_SYNC_MFENCE
 
@@ -22,10 +23,6 @@ config BOOTBLOCK_CPU_INIT
 	string
 	default "cpu/intel/model_2065x/bootblock.c"
 
-config SERIAL_CPU_INIT
-	bool
-	default n
-
 config SMM_TSEG_SIZE
 	hex
 	default 0x800000

src/cpu/intel/model_206ax/Kconfig

@@ -16,6 +16,7 @@ config CPU_SPECIFIC_OPTIONS
 	select UDELAY_LAPIC
 	select SMM_TSEG
 	select SUPPORT_CPU_UCODE_IN_CBFS
+	select PARALLEL_CPU_INIT
 	#select AP_IN_SIPI_WAIT
 	select TSC_SYNC_MFENCE
 
@@ -23,10 +24,6 @@ config BOOTBLOCK_CPU_INIT
 	string
 	default "cpu/intel/model_206ax/bootblock.c"
 
-config SERIAL_CPU_INIT
-	bool
-	default n
-
 config SMM_TSEG_SIZE
 	hex
 	default 0x800000

src/cpu/x86/Kconfig

@@ -1,6 +1,6 @@
-config SERIAL_CPU_INIT
+config PARALLEL_CPU_INIT
 	bool
-	default y
+	default n
 
 config UDELAY_IO
 	bool

src/cpu/x86/lapic/lapic_cpu_init.c

@@ -406,9 +406,9 @@ void stop_this_cpu(void)
 void asmlinkage secondary_cpu_init(unsigned int index)
 {
 	atomic_inc(&active_cpus);
-#if CONFIG_SERIAL_CPU_INIT
-	spin_lock(&start_cpu_lock);
-#endif
+
+	if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT))
+		spin_lock(&start_cpu_lock);
 
 #ifdef __SSE3__
 	/*
@@ -421,9 +421,9 @@ void asmlinkage secondary_cpu_init(unsigned int index)
 	write_cr4(cr4_val);
 #endif
 	cpu_initialize(index);
-#if CONFIG_SERIAL_CPU_INIT
-	spin_unlock(&start_cpu_lock);
-#endif
+
+	if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT))
+		spin_unlock(&start_cpu_lock);
 
 	atomic_dec(&active_cpus);
 
@@ -439,11 +439,9 @@ static void start_other_cpus(struct bus *cpu_bus, device_t bsp_cpu)
 		if (cpu->path.type != DEVICE_PATH_APIC) {
 			continue;
 		}
-	#if !CONFIG_SERIAL_CPU_INIT
-		if(cpu==bsp_cpu) {
+
+		if (IS_ENABLED(CONFIG_PARALLEL_CPU_INIT) && (cpu==bsp_cpu))
 			continue;
-		}
-	#endif
 
 		if (!cpu->enabled) {
 			continue;
@@ -458,9 +456,9 @@ static void start_other_cpus(struct bus *cpu_bus, device_t bsp_cpu)
 			printk(BIOS_ERR, "CPU 0x%02x would not start!\n",
 				cpu->path.apic.apic_id);
 		}
-#if CONFIG_SERIAL_CPU_INIT
-		udelay(10);
-#endif
+
+		if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT))
+			udelay(10);
 	}
 
 }
@@ -538,19 +536,17 @@ void initialize_cpus(struct bus *cpu_bus)
 #endif
 
 #if CONFIG_SMP && CONFIG_MAX_CPUS > 1
-	#if !CONFIG_SERIAL_CPU_INIT
 	/* start all aps at first, so we can init ECC all together */
-	start_other_cpus(cpu_bus, info->cpu);
-	#endif
+	if (IS_ENABLED(CONFIG_PARALLEL_CPU_INIT))
+		start_other_cpus(cpu_bus, info->cpu);
 #endif
 
 	/* Initialize the bootstrap processor */
 	cpu_initialize(0);
 
 #if CONFIG_SMP && CONFIG_MAX_CPUS > 1
-	#if CONFIG_SERIAL_CPU_INIT
-	start_other_cpus(cpu_bus, info->cpu);
-	#endif
+	if (!IS_ENABLED(CONFIG_PARALLEL_CPU_INIT))
+		start_other_cpus(cpu_bus, info->cpu);
 
 	/* Now wait the rest of the cpus stop*/
 	wait_other_cpus_stop(cpu_bus);