arch/x86: Move TSEG_STAGE_CACHE implementation

This is declared weak so that platforms that do not
have smm_subregion() can provide their own implementation.

Change-Id: Ide815b45cbc21a295b8e58434644e82920e84e31
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34704
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

2 files changed, 0 insertions, 31 deletions

diff --git a/src/drivers/intel/fsp1_1/Makefile.inc b/src/drivers/intel/fsp1_1/Makefile.inc
index 10877b9482..1372e98565 100644
--- a/src/drivers/intel/fsp1_1/Makefile.inc
+++ b/src/drivers/intel/fsp1_1/Makefile.inc
@@ -29,7 +29,6 @@ romstage-y += fsp_util.c
 romstage-y += hob.c
 romstage-y += raminit.c
 romstage-y += romstage.c
-romstage-y += stage_cache.c
 romstage-$(CONFIG_MMA) += mma_core.c
 
 ramstage-$(CONFIG_RUN_FSP_GOP) += fsp_gop.c
@@ -37,13 +36,11 @@ ramstage-y += fsp_relocate.c
 ramstage-y += fsp_util.c
 ramstage-y += hob.c
 ramstage-y += ramstage.c
-ramstage-y += stage_cache.c
 ramstage-$(CONFIG_INTEL_GMA_ADD_VBT) += vbt.c
 ramstage-$(CONFIG_MMA) += mma_core.c
 
 CPPFLAGS_common += -Isrc/drivers/intel/fsp1_1/include
 
-postcar-y += stage_cache.c
 ifneq ($(CONFIG_SKIP_FSP_CAR),y)
 postcar-y += temp_ram_exit.c
 postcar-y += exit_car.S
diff --git a/src/drivers/intel/fsp1_1/stage_cache.c b/src/drivers/intel/fsp1_1/stage_cache.c
deleted file mode 100644
index ab0c1c0126..0000000000
--- a/src/drivers/intel/fsp1_1/stage_cache.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Google Inc.
- * Copyright (C) 2015 Intel Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <console/console.h>
-#include <cpu/x86/smm.h>
-#include <stage_cache.h>
-
-void stage_cache_external_region(void **base, size_t *size)
-{
-	if (smm_subregion(SMM_SUBREGION_CACHE, base, size)) {
-		printk(BIOS_ERR, "ERROR: No cache SMM subregion.\n");
-		*base = NULL;
-		*size = 0;
-	}
-}