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-rw-r--r--src/soc/intel/common/block/fast_spi/fast_spi.c2
1 files changed, 1 insertions, 1 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 87cafb976e..1d3a3c8b51 100644
--- a/src/soc/intel/common/block/fast_spi/fast_spi.c
+++ b/src/soc/intel/common/block/fast_spi/fast_spi.c
@@ -230,7 +230,7 @@ void fast_spi_cache_bios_region(void)
return;
/* Round to power of two */
- alignment = 1 << (log2_ceil(bios_size));
+ alignment = 1UL << (log2_ceil(bios_size));
bios_size = ALIGN_UP(bios_size, alignment);
base = 4ULL*GiB - bios_size;