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-rw-r--r--src/soc/intel/common/block/fast_spi/fast_spi.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/soc/intel/common/block/fast_spi/fast_spi.c b/src/soc/intel/common/block/fast_spi/fast_spi.c
index 0e012316d1..7be71a26fb 100644
--- a/src/soc/intel/common/block/fast_spi/fast_spi.c
+++ b/src/soc/intel/common/block/fast_spi/fast_spi.c
@@ -245,10 +245,14 @@ static void fast_spi_cache_ext_bios_window(void)
if (!fast_spi_ext_bios_cache_range(&ext_bios_base, &ext_bios_size))
return;
- int mtrr = get_free_var_mtrr();
- if (mtrr == -1)
- return;
- set_var_mtrr(mtrr, ext_bios_base, ext_bios_size, type);
+ if (ENV_PAYLOAD_LOADER) {
+ mtrr_use_temp_range(ext_bios_base, ext_bios_size, type);
+ } else {
+ int mtrr = get_free_var_mtrr();
+ if (mtrr == -1)
+ return;
+ set_var_mtrr(mtrr, ext_bios_base, ext_bios_size, type);
+ }
}
void fast_spi_cache_ext_bios_postcar(struct postcar_frame *pcf)