diff --git a/src/platform/tigerlake/include/platform/lib/memory.h b/src/platform/tigerlake/include/platform/lib/memory.h
index 75fb4f42d..3dcefd489 100644
--- a/src/platform/tigerlake/include/platform/lib/memory.h
+++ b/src/platform/tigerlake/include/platform/lib/memory.h
@@ -237,7 +237,7 @@
 #define SOF_TEXT_BASE		(SOF_FW_START)
 
 /* Heap section sizes for system runtime heap for master core */
-#define HEAP_SYS_RT_0_COUNT64		64
+#define HEAP_SYS_RT_0_COUNT64		128
 #define HEAP_SYS_RT_0_COUNT512		16
 #define HEAP_SYS_RT_0_COUNT1024		4
 
@@ -264,7 +264,7 @@
 #define HEAP_BUFFER_COUNT	(HEAP_BUFFER_SIZE / HEAP_BUFFER_BLOCK_SIZE)
 
 #define HEAP_SYSTEM_M_SIZE		0x8000	/* heap master core size */
-#define HEAP_SYSTEM_S_SIZE		0x5000	/* heap slave core size */
+#define HEAP_SYSTEM_S_SIZE		0x6000	/* heap slave core size */
 #define HEAP_SYSTEM_T_SIZE \
 	(HEAP_SYSTEM_M_SIZE + ((PLATFORM_CORE_COUNT - 1) * HEAP_SYSTEM_S_SIZE))
 
@@ -339,11 +339,8 @@
 	HEAP_RT_LP_COUNT128 * 128 + HEAP_RT_LP_COUNT256 * 256 + \
 	HEAP_RT_LP_COUNT512 * 512 + HEAP_RT_LP_COUNT1024 * 1024)
 
-#define HEAP_LP_BUFFER_BASE \
-	(HEAP_LP_RUNTIME_BASE + HEAP_LP_RUNTIME_SIZE)
-#define HEAP_LP_BUFFER_SIZE \
-	(LP_SRAM_SIZE - HEAP_LP_RUNTIME_SIZE - SOF_LP_STACK_SIZE - \
-	HEAP_LP_SYSTEM_SIZE)
+#define HEAP_LP_BUFFER_BASE LP_SRAM_BASE
+#define HEAP_LP_BUFFER_SIZE LP_SRAM_SIZE
 
 #define HEAP_LP_BUFFER_BLOCK_SIZE		0x180