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-rw-r--r--arch/x86/lib/fsp/fsp_common.c30
-rw-r--r--arch/x86/lib/fsp/fsp_dram.c6
2 files changed, 35 insertions, 1 deletions
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c
index 658f32d583..c78df94b80 100644
--- a/arch/x86/lib/fsp/fsp_common.c
+++ b/arch/x86/lib/fsp/fsp_common.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <errno.h>
#include <asm/io.h>
+#include <asm/mrccache.h>
#include <asm/post.h>
#include <asm/processor.h>
#include <asm/fsp/fsp_support.h>
@@ -54,15 +55,42 @@ void board_final_cleanup(void)
return;
}
+static __maybe_unused void *fsp_prepare_mrc_cache(void)
+{
+ struct mrc_data_container *cache;
+ struct mrc_region entry;
+ int ret;
+
+ ret = mrccache_get_region(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 x86_fsp_init(void)
{
+ void *nvs;
+
if (!gd->arch.hob_list) {
+#ifdef CONFIG_ENABLE_MRC_CACHE
+ nvs = fsp_prepare_mrc_cache();
+#else
+ nvs = NULL;
+#endif
/*
* The first time we enter here, call fsp_init().
* Note the execution does not return to this function,
* instead it jumps to fsp_continue().
*/
- fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, NULL);
+ fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, nvs);
} else {
/*
* The second time we enter here, adjust the size of malloc()
diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c
index e51ca96eb7..fcfe693ce5 100644
--- a/arch/x86/lib/fsp/fsp_dram.c
+++ b/arch/x86/lib/fsp/fsp_dram.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <asm/fsp/fsp_support.h>
#include <asm/e820.h>
+#include <asm/mrccache.h>
#include <asm/post.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -32,6 +33,11 @@ int dram_init(void)
gd->ram_size = ram_size;
post_code(POST_DRAM);
+#ifdef CONFIG_ENABLE_MRC_CACHE
+ gd->arch.mrc_output = fsp_get_nvs_data(gd->arch.hob_list,
+ &gd->arch.mrc_output_len);
+#endif
+
return 0;
}
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