diff --git a/src/soc/qualcomm/ipq40xx/soc.c b/src/soc/qualcomm/ipq40xx/soc.c
index 201e9bc9fe..4889f8cc6a 100644
--- a/src/soc/qualcomm/ipq40xx/soc.c
+++ b/src/soc/qualcomm/ipq40xx/soc.c
@@ -20,14 +20,42 @@
 #include <symbols.h>
 #include <soc/ipq_uart.h>
 
-#define RESERVED_SIZE_KB	(0x01500000 / KiB)
+typedef struct {
+	uint8_t	hlos1[112 * MiB],	/* <-- 0x80000000 */
+		appsbl[4 * MiB],	/* <-- 0x87000000 */
+		sbl[1 * MiB],		/* <-- 0x87400000 */
+		rsvd[11 * MiB],		/* <-- 0x87500000 */
+		hlos2[128 * MiB];	/* <-- 0x88000000 */
+} ipq_mem_map_t;
+
+#define LINUX_REGION1_START	((uintptr_t)(ipq_mem_map->hlos1))
+#define LINUX_REGION1_START_KB	(LINUX_REGION1_START / KiB)
+#define LINUX_REGION1_SIZE	(sizeof(ipq_mem_map->hlos1) +	\
+				 sizeof(ipq_mem_map->appsbl) +	\
+				 sizeof(ipq_mem_map->sbl))
+#define LINUX_REGION1_SIZE_KB	(LINUX_REGION1_SIZE / KiB)
+
+#define RESERVED_START		((uintptr_t)(ipq_mem_map->rsvd))
+#define RESERVED_START_KB	(RESERVED_START / KiB)
+#define RESERVED_SIZE		(sizeof(ipq_mem_map->rsvd))
+#define RESERVED_SIZE_KB	(RESERVED_SIZE / KiB)
+
+/* xxx_SIZE defines not needed since it goes till end of memory */
+#define LINUX_REGION2_START	((uintptr_t)(ipq_mem_map->hlos2))
+#define LINUX_REGION2_START_KB	(LINUX_REGION2_START / KiB)
 
 static void soc_read_resources(device_t dev)
 {
-	/* Reserve bottom 0x150_0000 bytes for NSS, SMEM, etc. */
-	reserved_ram_resource(dev, 0, (uintptr_t)_dram / KiB, RESERVED_SIZE_KB);
-	ram_resource(dev, 0, (uintptr_t)_dram / KiB + RESERVED_SIZE_KB,
-		     (CONFIG_DRAM_SIZE_MB * KiB) - RESERVED_SIZE_KB);
+	ipq_mem_map_t *ipq_mem_map = ((ipq_mem_map_t *)_dram);
+
+	ram_resource(dev, 0, LINUX_REGION1_START_KB, LINUX_REGION1_SIZE_KB);
+
+	reserved_ram_resource(dev, 1, RESERVED_START_KB, RESERVED_SIZE_KB);
+
+	/* 0x88000000 to end, is the second region for Linux */
+	ram_resource(dev, 2, LINUX_REGION2_START_KB,
+		     (CONFIG_DRAM_SIZE_MB * KiB) -
+			LINUX_REGION1_SIZE_KB - RESERVED_SIZE_KB);
 }
 
 static void soc_init(device_t dev)