cpu/x86: Rename X86_AMD_INIT_SIPI to X86_INIT_NEED_1_SIPI

This patch renames X86_AMD_INIT_SIPI Kconfig to leverage
the same logic (to skip 2nd SIPI and reduce delay between
INIT and SIPI while perform AP initialization) even on
newer Intel platform.

Change-Id: I7a4e6a8b1edc6e8ba43597259bd8b2de697e4e62
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56651
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/cpu/x86/Kconfig

@@ -164,15 +164,15 @@ config X86_AMD_FIXED_MTRRS
 	  This option informs the MTRR code to use the RdMem and WrMem fields
 	  in the fixed MTRR MSRs.
 
-config X86_AMD_INIT_SIPI
+config X86_INIT_NEED_1_SIPI
 	bool
 	default n
 	help
 	  This option limits the number of SIPI signals sent during during the
 	  common AP setup.  Intel documentation specifies an INIT SIPI SIPI
-	  sequence, however this doesn't work on some AMD platforms. These
-	  newer AMD platforms don't need the 10ms wait between INIT and SIPI,
-	  so skip that too to save some time.
+	  sequence, however this doesn't work on some AMD and Intel platforms.
+	  These newer AMD and Intel platforms don't need the 10ms wait between
+	  INIT and SIPI, so skip that too to save some time.
 
 config SOC_SETS_MSRS
 	bool

src/cpu/x86/mp_init.c

@@ -469,7 +469,7 @@ static enum cb_err start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_ap
 	/* Send INIT IPI to all but self. */
 	lapic_send_ipi(LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT | LAPIC_DM_INIT, 0);
 
-	if (!CONFIG(X86_AMD_INIT_SIPI)) {
+	if (!CONFIG(X86_INIT_NEED_1_SIPI)) {
 		printk(BIOS_DEBUG, "Waiting for 10ms after sending INIT.\n");
 		mdelay(10);
 

src/soc/amd/cezanne/Kconfig

@@ -73,7 +73,7 @@ config SOC_SPECIFIC_OPTIONS
 	select SSE2
 	select UDK_2017_BINDING
 	select X86_AMD_FIXED_MTRRS
-	select X86_AMD_INIT_SIPI
+	select X86_INIT_NEED_1_SIPI
 
 config ARCH_ALL_STAGES_X86
 	default n

src/soc/amd/picasso/Kconfig

@@ -16,7 +16,7 @@ config CPU_SPECIFIC_OPTIONS
 	select ARCH_X86
 	select RESET_VECTOR_IN_RAM
 	select X86_AMD_FIXED_MTRRS
-	select X86_AMD_INIT_SIPI
+	select X86_INIT_NEED_1_SIPI
 	select ACPI_SOC_NVS
 	select ADD_FSP_BINARIES if USE_AMD_BLOBS
 	select DRIVERS_I2C_DESIGNWARE