x86: Move fsp_prepare_mrc_cache() to fsp1 directory

This function needs to be different for FSP2, so move the existing
function into the fsp1 directory. Since it is only called from one file,
drop it from the header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

3 files changed, 20 insertions, 27 deletions

diff --git a/arch/x86/include/asm/fsp/fsp_support.h b/arch/x86/include/asm/fsp/fsp_support.h
index 4ac27d26f55..29e511415cd 100644
--- a/arch/x86/include/asm/fsp/fsp_support.h
+++ b/arch/x86/include/asm/fsp/fsp_support.h
@@ -144,13 +144,6 @@ int fsp_init_phase_pci(void);
 int fsp_scan_for_ram_size(void);
 
 /**
- * fsp_prepare_mrc_cache() - Find the DRAM training data from the MRC cache
- *
- * @return pointer to data, or NULL if no cache or no data found in the cache
- */
-void *fsp_prepare_mrc_cache(void);
-
-/**
  * fsp_notify() - FSP notification wrapper function
  *
  * @fsp_hdr: Pointer to FSP information header
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c
index 4c5358e1d25..5eff0f99aad 100644
--- a/arch/x86/lib/fsp/fsp_common.c
+++ b/arch/x86/lib/fsp/fsp_common.c
@@ -58,26 +58,6 @@ void board_final_cleanup(void)
 		debug("OK\n");
 }
 
-void *fsp_prepare_mrc_cache(void)
-{
-	struct mrc_data_container *cache;
-	struct mrc_region entry;
-	int ret;
-
-	ret = mrccache_get_region(MRC_TYPE_NORMAL, NULL, &entry);
-	if (ret)
-		return NULL;
-
-	cache = mrccache_find_current(&entry);
-	if (!cache)
-		return NULL;
-
-	debug("%s: mrc cache at %p, size %x checksum %04x\n", __func__,
-	      cache->data, cache->data_size, cache->checksum);
-
-	return cache->data;
-}
-
 #ifdef CONFIG_HAVE_ACPI_RESUME
 int fsp_save_s3_stack(void)
 {
diff --git a/arch/x86/lib/fsp1/fsp_common.c b/arch/x86/lib/fsp1/fsp_common.c
index e8066d8de39..ec9c218778d 100644
--- a/arch/x86/lib/fsp1/fsp_common.c
+++ b/arch/x86/lib/fsp1/fsp_common.c
@@ -18,6 +18,26 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static void *fsp_prepare_mrc_cache(void)
+{
+	struct mrc_data_container *cache;
+	struct mrc_region entry;
+	int ret;
+
+	ret = mrccache_get_region(MRC_TYPE_NORMAL, NULL, &entry);
+	if (ret)
+		return NULL;
+
+	cache = mrccache_find_current(&entry);
+	if (!cache)
+		return NULL;
+
+	debug("%s: mrc cache at %p, size %x checksum %04x\n", __func__,
+	      cache->data, cache->data_size, cache->checksum);
+
+	return cache->data;
+}
+
 int arch_fsp_init(void)
 {
 	void *nvs;