soc/intel/common: Remove common chip config use_fsp_mp_init

This patch ensures to make use of common MP Init Kconfig to
choose desire method to peform MP initialization for platform.

Change-Id: I4ee51276026748e8daf154f89e57095e8fe50280
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30289
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/intel/saddlebrook/Kconfig

@@ -32,6 +32,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select SADDLEBROOK_USES_FSP1_1
 	select HAVE_CMOS_DEFAULT
 	select MAINBOARD_USES_IFD_GBE_REGION
+	select USE_INTEL_FSP_MP_INIT
 
 config SADDLEBROOK_USES_FSP1_1
 	bool "FSP driver 1.1"

src/mainboard/intel/saddlebrook/devicetree.cb

@@ -140,11 +140,6 @@ chip soc/intel/skylake
 		.voltage_limit = 0x5F0 \
 	}"
 
-	# Skip coreboot MP Init
-	register "common_soc_config" = "{
-		.use_fsp_mp_init = 1,
-	}"
-
 	# Enable x1 slot
 	register "PcieRpEnable[7]" = "1"
 	register "PcieRpClkReqSupport[7]" = "1"

src/soc/intel/apollolake/chip.c

@@ -733,7 +733,7 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd)
 	if (!CONFIG(SOC_INTEL_GLK))
 		silconfig->MonitorMwaitEnable = 0;
 
-	silconfig->SkipMpInit = !chip_get_fsp_mp_init();
+	silconfig->SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT;
 
 	/* Disable setting of EISS bit in FSP. */
 	silconfig->SpiEiss = 0;

src/soc/intel/cannonlake/romstage/fsp_params.c

@@ -64,8 +64,9 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
 		m_cfg->VmxEnable = 0;
 	else
 		m_cfg->VmxEnable = config->VmxEnable;
+
 #if CONFIG(SOC_INTEL_COMMON_CANNONLAKE_BASE)
-	m_cfg->SkipMpInit = !chip_get_fsp_mp_init();
+	m_cfg->SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT;
 #endif
 
 	/* Disable CPU Flex Ratio and SaGv in recovery mode */

src/soc/intel/common/block/chip/chip.c

@@ -32,18 +32,3 @@ const struct soc_intel_common_config *chip_get_common_soc_structure(void)
 
 	return soc_config;
 }
-
-/*
- * This function will get MP Init config
- *
- * Return values:
- * 0 = Make use of coreboot MP Init
- * 1 = Make use of FSP MP Init
- */
-int chip_get_fsp_mp_init(void)
-{
-	const struct soc_intel_common_config *common_config;
-	common_config = chip_get_common_soc_structure();
-
-	return common_config->use_fsp_mp_init;
-}

src/soc/intel/common/block/cpu/mp_init.c

@@ -133,7 +133,7 @@ static void init_cpus(void *unused)
 	struct device *dev = dev_find_path(NULL, DEVICE_PATH_CPU_CLUSTER);
 	assert(dev != NULL);
 
-	if (chip_get_fsp_mp_init())
+	if (CONFIG(USE_INTEL_FSP_MP_INIT))
 		return;
 
 	microcode_patch = intel_microcode_find();
@@ -151,7 +151,7 @@ static void wrapper_x86_setup_mtrrs(void *unused)
 /* Ensure to re-program all MTRRs based on DRAM resource settings */
 static void post_cpus_init(void *unused)
 {
-	if (chip_get_fsp_mp_init())
+	if (CONFIG(USE_INTEL_FSP_MP_INIT))
 		return;
 
 	if (mp_run_on_all_cpus(&wrapper_x86_setup_mtrrs, NULL, 1000) < 0)

src/soc/intel/common/block/include/intelblocks/chip.h

@@ -33,24 +33,9 @@ struct soc_intel_common_config {
 	int chipset_lockdown;
 	struct gspi_cfg gspi[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
 	struct dw_i2c_bus_config i2c[CONFIG_SOC_INTEL_I2C_DEV_MAX];
-	/*
-	 * Option for mainboard to skip coreboot MP initialization
-	 * 0 = Make use of coreboot MP Init
-	 * 1 = Make use of FSP MP Init
-	 */
-	uint8_t use_fsp_mp_init;
 };
 
 /* This function to retrieve soc config structure required by common code */
 const struct soc_intel_common_config *chip_get_common_soc_structure(void);
 
-/*
- * This function will get MP Init config
- *
- * Return values:
- * 0 = Make use of coreboot MP Init
- * 1 = Make use of FSP MP Init
- */
-int chip_get_fsp_mp_init(void);
-
 #endif /* SOC_INTEL_COMMON_BLOCK_CHIP_H */

src/soc/intel/skylake/chip.c

@@ -197,7 +197,7 @@ void soc_silicon_init_params(SILICON_INIT_UPD *params)
 	params->SerialIrqConfigStartFramePulse =
 		config->SerialIrqConfigStartFramePulse;
 
-	params->SkipMpInit = !chip_get_fsp_mp_init();
+	params->SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT;
 
 	for (i = 0; i < ARRAY_SIZE(config->i2c_voltage); i++)
 		params->SerialIoI2cVoltage[i] = config->i2c_voltage[i];

src/soc/intel/skylake/chip_fsp20.c

@@ -27,6 +27,7 @@
 #include <intelblocks/chip.h>
 #include <intelblocks/itss.h>
 #include <intelblocks/lpc_lib.h>
+#include <intelblocks/mp_init.h>
 #include <intelblocks/xdci.h>
 #include <intelpch/lockdown.h>
 #include <romstage_handoff.h>
@@ -422,7 +423,7 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 	params->PchSirqEnable = config->serirq_mode != SERIRQ_OFF;
 	params->PchSirqMode = config->serirq_mode == SERIRQ_CONTINUOUS;
 
-	params->CpuConfig.Bits.SkipMpInit = !chip_get_fsp_mp_init();
+	params->CpuConfig.Bits.SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT;
 
 	for (i = 0; i < ARRAY_SIZE(config->i2c_voltage); i++)
 		params->SerialIoI2cVoltage[i] = config->i2c_voltage[i];