diff --git a/src/soc/qualcomm/x1p42100/memlayout.ld b/src/soc/qualcomm/x1p42100/memlayout.ld
index 9996889cfd..b93a1e4c80 100644
--- a/src/soc/qualcomm/x1p42100/memlayout.ld
+++ b/src/soc/qualcomm/x1p42100/memlayout.ld
@@ -23,6 +23,8 @@
  * 0xFFE00000    +----------------------------------------------------------+      |        |
  *               |                     dram_llcc_lpi                        |      |        |
  * 0xFF800000    +----------------------------------------------------------+      |        |
+ *               |                       dram_acdb                          |      |        |
+ *               +----------------------------------------------------------+      |        |
  *               |                ... Usable memory ...                     |      |        |
  * 0xDF4C0000    +----------------------------------------------------------+      |        |
  *               |                       dram_ta                            |      |        |
diff --git a/src/soc/qualcomm/x1p42100/soc.c b/src/soc/qualcomm/x1p42100/soc.c
index f76ba44e24..ffa3a0e7d9 100644
--- a/src/soc/qualcomm/x1p42100/soc.c
+++ b/src/soc/qualcomm/x1p42100/soc.c
@@ -14,6 +14,11 @@ static struct device_operations pci_domain_ops = {
 	.enable = &qcom_setup_pcie_host,
 };
 
+static uint64_t calc_acdb_carveout_size(void)
+{
+	return ((((region_sz(ddr_region) / GiB) * 11) / 2 + 36) * MiB);
+}
+
 static void soc_read_resources(struct device *dev)
 {
 	int index = 0;
@@ -43,6 +48,10 @@ static void soc_read_resources(struct device *dev)
 	reserved_ram_range(dev, index++, (uintptr_t)_dram_wlan, REGION_SIZE(dram_wlan));
 	reserved_ram_range(dev, index++, (uintptr_t)_dram_pil, REGION_SIZE(dram_pil));
 	reserved_ram_range(dev, index++, (uintptr_t)_dram_ta, REGION_SIZE(dram_ta));
+
+	/* ACDB carveout region located at 0xFF800000 - (n*5.5 +1+32+3) where n is size of DDR */
+	reserved_ram_range(dev, index++, (uintptr_t)(_dram_llcc_lpi - calc_acdb_carveout_size()),
+			calc_acdb_carveout_size());
 	reserved_ram_range(dev, index++, (uintptr_t)_dram_llcc_lpi, REGION_SIZE(dram_llcc_lpi));
 	reserved_ram_range(dev, index++, (uintptr_t)_dram_smem, REGION_SIZE(dram_smem));
 }