arch/x86: Flip option NO_CAR_GLOBAL_MIGRATION

It is easier to track CAR_GLOBAL_MIGRATION which is
the approach to be deprecated with the next release.

This change enforces new policy; POSTCAR_STAGE=y is
not allowed together with CAR_GLOBAL_MIGRATION=y.

Change-Id: I0dbad6a14e68bf566ac0f151dc8ea259e5ae2250
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34804
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/cpu/Kconfig

@@ -10,12 +10,12 @@ config CACHE_AS_RAM
 	bool
 	default y
 
-config NO_CAR_GLOBAL_MIGRATION
+config CAR_GLOBAL_MIGRATION
 	bool
 	default n
 	depends on CACHE_AS_RAM
 	help
-	  This option is selected if there is no need to migrate CAR globals.
+	  This option is selected if there is need to migrate CAR globals.
 	  All stages which use CAR globals can directly access the variables
 	  from their linked addresses.
 

src/cpu/amd/agesa/Kconfig

@@ -29,7 +29,6 @@ config CPU_AMD_AGESA
 	select UDELAY_LAPIC
 	select LAPIC_MONOTONIC_TIMER
 	select SPI_FLASH if HAVE_ACPI_RESUME
-	select POSTCAR_STAGE
 	select SMM_ASEG
 
 if CPU_AMD_AGESA

src/cpu/amd/family_10h-family_15h/Kconfig

@@ -9,6 +9,7 @@ config CPU_AMD_MODEL_10XXX
 	select UDELAY_LAPIC
 	select SUPPORT_CPU_UCODE_IN_CBFS
 	select CPU_MICROCODE_MULTIPLE_FILES
+	select CAR_GLOBAL_MIGRATION
 	select ACPI_HUGE_LOWMEM_BACKUP
 
 if CPU_AMD_MODEL_10XXX

src/cpu/amd/pi/Kconfig

@@ -28,7 +28,7 @@ config CPU_AMD_PI
 	select UDELAY_LAPIC
 	select LAPIC_MONOTONIC_TIMER
 	select SPI_FLASH if HAVE_ACPI_RESUME
-	select POSTCAR_STAGE if !BINARYPI_LEGACY_WRAPPER
+	select CAR_GLOBAL_MIGRATION if BINARYPI_LEGACY_WRAPPER
 	select SMM_ASEG
 
 if CPU_AMD_PI

src/cpu/via/nano/Kconfig

@@ -30,6 +30,7 @@ config CPU_SPECIFIC_OPTIONS
 	select MMX
 	select SSE2
 	select SUPPORT_CPU_UCODE_IN_CBFS
+	select CAR_GLOBAL_MIGRATION
 
 config DCACHE_RAM_BASE
 	hex

src/cpu/x86/Makefile.inc

@@ -1,5 +1,5 @@
 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
-ifneq ($(CONFIG_NO_CAR_GLOBAL_MIGRATION),y)
+ifeq ($(CONFIG_CAR_GLOBAL_MIGRATION),y)
 romstage-$(CONFIG_CACHE_AS_RAM) += car.c
 endif
 endif