diff --git a/board/qca/arm/common/fdt_fixup.c b/board/qca/arm/common/fdt_fixup.c
index e4b2d93f0b..e1a07f1afe 100644
--- a/board/qca/arm/common/fdt_fixup.c
+++ b/board/qca/arm/common/fdt_fixup.c
@@ -486,6 +486,10 @@ __weak void fdt_fixup_sd_ldo_gpios_toggle(void *blob)
 	return;
 }
 
+__weak void fdt_low_memory_fixup(void *blob)
+{
+	return;
+}
 
 __weak void fdt_fixup_cpr(void *blob)
 {
@@ -587,6 +591,7 @@ int ft_board_setup(void *blob, bd_t *bd)
 	fdt_fixup_auto_restart(blob);
 	fdt_fixup_sd_ldo_gpios_toggle(blob);
 	fdt_fixup_cpr(blob);
+	fdt_low_memory_fixup(blob);
 
 #ifdef CONFIG_QCA_MMC
 	board_mmc_deinit();
diff --git a/board/qca/arm/ipq807x/ipq807x.c b/board/qca/arm/ipq807x/ipq807x.c
index 7c94b777c0..f70548467a 100644
--- a/board/qca/arm/ipq807x/ipq807x.c
+++ b/board/qca/arm/ipq807x/ipq807x.c
@@ -1180,6 +1180,39 @@ void fdt_fixup_cpr(void *blob)
 	return;
 }
 
+void fdt_low_memory_fixup(void *blob)
+{
+	int node;
+	int len;
+	u64 *reg;
+	char *wcnss_node = "/reserved-memory/wcnss@4b000000";
+	char *wifi_dump_node = "/reserved-memory/wifi_dump@50500000";
+	unsigned int wcnss_size = 0x03700000;
+	unsigned int wifi_dump_size = 0x200000;
+	char *mem_mode = getenv("low_mem_mode");
+
+	if (!mem_mode)
+		return;
+
+	node = fdt_path_offset(blob, wcnss_node);
+	if (node >= 0) {
+		reg = (u64 *)fdt_getprop(blob, node, "reg", &len);
+		if (reg != NULL)
+			reg[1] = cpu_to_fdt64(wcnss_size);
+	} else {
+		printf("Node \"%s\" not found\n", wcnss_node);
+	}
+
+	node = fdt_path_offset(blob, wifi_dump_node);
+	if (node >= 0) {
+		reg = (u64 *)fdt_getprop(blob, node, "reg", &len);
+		if (reg != NULL)
+			reg[1] = cpu_to_fdt64(wifi_dump_size);
+	} else {
+		printf("Node \"%s\" not found\n", wifi_dump_node);
+	}
+}
+
 void set_flash_secondary_type(qca_smem_flash_info_t *smem)
 {
 	return;