intel/smm: Provide common smm_relocation_params

Pull in all copies of smm_relocation_params structs defined
for intel platforms.

Pull in all the inlined MSR accessors to the header file.

Change-Id: I39c6cffee95433aea1a3c783b869eedfff094413
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34840
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

3 files changed, 17 insertions, 20 deletions

diff --git a/src/cpu/intel/smm/Makefile.inc b/src/cpu/intel/smm/Makefile.inc
new file mode 100644
index 000000000000..a49b796caff5
--- /dev/null
+++ b/src/cpu/intel/smm/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smm_reloc.c
diff --git a/src/cpu/intel/smm/gen1/smmrelocate.c b/src/cpu/intel/smm/gen1/smmrelocate.c
index 5350d1c93012..c177e9b95293 100644
--- a/src/cpu/intel/smm/gen1/smmrelocate.c
+++ b/src/cpu/intel/smm/gen1/smmrelocate.c
@@ -39,17 +39,6 @@
 #define  C_BASE_SEG	((0 << 2) | (1 << 1) | (0 << 0))
 
 
-
-struct smm_relocation_params {
-	uintptr_t ied_base;
-	size_t ied_size;
-	msr_t smrr_base;
-	msr_t smrr_mask;
-};
-
-/* This gets filled in and used during relocation. */
-static struct smm_relocation_params smm_reloc_params;
-
 /* On model_6fx, model_1067x and model_106cx SMRR functions slightly
    differently. The MSR are at different location from the rest
    and need to be explicitly enabled in IA32_FEATURE_CONTROL MSR. */
@@ -88,15 +77,6 @@ static void write_smrr_alt(struct smm_relocation_params *relo_params)
 	wrmsr(MSR_SMRR_PHYS_MASK, relo_params->smrr_mask);
 }
 
-static void write_smrr(struct smm_relocation_params *relo_params)
-{
-	printk(BIOS_DEBUG, "Writing SMRR. base = 0x%08x, mask=0x%08x\n",
-	       relo_params->smrr_base.lo, relo_params->smrr_mask.lo);
-
-	wrmsr(IA32_SMRR_PHYS_BASE, relo_params->smrr_base);
-	wrmsr(IA32_SMRR_PHYS_MASK, relo_params->smrr_mask);
-}
-
 static void fill_in_relocation_params(struct smm_relocation_params *params)
 {
 	uintptr_t tseg_base;
diff --git a/src/cpu/intel/smm/smm_reloc.c b/src/cpu/intel/smm/smm_reloc.c
new file mode 100644
index 000000000000..860c095abfc2
--- /dev/null
+++ b/src/cpu/intel/smm/smm_reloc.c
@@ -0,0 +1,16 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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 <cpu/intel/smm_reloc.h>
+
+struct smm_relocation_params smm_reloc_params;