soc/intel/alderlake: Hack to preserve SBREG

Change-Id: Ie70905d34a4050aeff4b5cda116eb700f19a18ea
system76 · Aug 23, 2023 · 254e7dc · 254e7dc
1 parent f989ae2
commit 254e7dc
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/soc/intel/alderlake/include/soc/iomap.h b/src/soc/intel/alderlake/include/soc/iomap.h
@@ -20,8 +20,14 @@
 #define PCH_TRACE_HUB_BASE_SIZE 0x00800000
 #endif
 
+/* Hack to include SBREG in PCH_RESERVED region on ADL-S/RPL-S */
+#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
+#define PCH_PRESERVED_BASE_ADDRESS 0xe0000000
+#define PCH_PRESERVED_BASE_SIZE 0x1e800000
+#else
 #define PCH_PRESERVED_BASE_ADDRESS 0xfc800000
 #define PCH_PRESERVED_BASE_SIZE 0x02000000
+#endif
 
 #define UART_BASE_SIZE 0x1000