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-rw-r--r--src/soc/intel/alderlake/include/soc/iomap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/include/soc/iomap.h b/src/soc/intel/alderlake/include/soc/iomap.h
index 6dd3bec140..b451a727d1 100644
--- a/src/soc/intel/alderlake/include/soc/iomap.h
+++ b/src/soc/intel/alderlake/include/soc/iomap.h
@@ -123,6 +123,10 @@
#define TCO_BASE_SIZE 0x20
#define P2SB_BAR CONFIG_PCR_BASE_ADDRESS
+#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
+#define P2SB_SIZE (256 * MiB)
+#else
#define P2SB_SIZE (16 * MiB)
+#endif
#endif