soc/amd: move SMM finalization to common code

This adds the SMM finalization to Cezanne.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I1a2b433d92df2a76979e2e6a3d1dde996303ba78
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50801
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/common/block/cpu/Kconfig

@@ -29,7 +29,8 @@ endif # SOC_AMD_COMMON_BLOCK_NONCAR
 config SOC_AMD_COMMON_BLOCK_SMM
 	bool
 	help
-	  Add common SMM relocation and handler functionality to the build.
+	  Add common SMM relocation, finalization and handler functionality to
+	  the build.
 
 config SOC_AMD_COMMON_BLOCK_TSC_FAM17H_19H
 	bool

src/soc/amd/common/block/cpu/smm/Makefile.inc

@@ -4,6 +4,7 @@ subdirs-y += ../../../../../../cpu/x86/smm
 
 romstage-y += smm_helper.c
 postcar-y += smm_helper.c
+ramstage-y += finalize.c
 ramstage-y += smm_relocate.c
 ramstage-y += smm_helper.c
 smm-y += smi_handler.c

src/soc/amd/picasso/Makefile.inc

@@ -45,7 +45,6 @@ ramstage-y += reset.c
 ramstage-y += acp.c
 ramstage-y += sata.c
 ramstage-y += uart.c
-ramstage-y += finalize.c
 ramstage-y += soc_util.c
 ramstage-y += fsp_params.c
 ramstage-y += graphics.c

src/soc/amd/stoneyridge/Makefile.inc

@@ -60,7 +60,6 @@ ramstage-y += memmap.c
 ramstage-y += uart.c
 ramstage-y += usb.c
 ramstage-y += tsc_freq.c
-ramstage-y += finalize.c
 ramstage-y += psp.c
 
 all-y += reset.c

src/soc/amd/stoneyridge/finalize.c

@@ -1,55 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <acpi/acpi.h>
-#include <cpu/x86/mp.h>
-#include <cpu/x86/msr.h>
-#include <cpu/amd/msr.h>
-#include <bootstate.h>
-#include <console/console.h>
-#include <amdblocks/acpi.h>
-
-static void per_core_finalize(void *unused)
-{
-	msr_t hwcr, mask;
-
-	/* Finalize SMM settings */
-	hwcr = rdmsr(HWCR_MSR);
-	if (hwcr.lo & SMM_LOCK) /* Skip if already locked, avoid GPF */
-		return;
-
-	if (CONFIG(HAVE_SMI_HANDLER)) {
-		mask = rdmsr(SMM_MASK_MSR);
-		mask.lo |= SMM_TSEG_VALID;
-		wrmsr(SMM_MASK_MSR, mask);
-	}
-
-	hwcr.lo |= SMM_LOCK;
-	wrmsr(HWCR_MSR, hwcr);
-}
-
-static void finalize_cores(void)
-{
-	int r;
-	printk(BIOS_SPEW, "Lock SMM configuration\n");
-
-	r = mp_run_on_all_cpus(per_core_finalize, NULL);
-	if (r)
-		printk(BIOS_WARNING, "Failed to finalize all cores\n");
-}
-
-static void soc_finalize(void *unused)
-{
-	finalize_cores();
-
-	if (!acpi_is_wakeup_s3()) {
-		if (CONFIG(HAVE_SMI_HANDLER))
-			acpi_disable_sci();
-		else
-			acpi_enable_sci();
-	}
-
-	post_code(POST_OS_BOOT);
-}
-
-BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL);
-BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, soc_finalize, NULL);