diff --git a/drivers/ddr/altera/sdram_agilex.c b/drivers/ddr/altera/sdram_agilex.c
index cc7679a6e4..0cbcd14056 100644
--- a/drivers/ddr/altera/sdram_agilex.c
+++ b/drivers/ddr/altera/sdram_agilex.c
@@ -143,9 +143,6 @@ int sdram_mmr_init_full(struct udevice *dev)
 		setbits_le32(plat->hmc + ERRINTEN,
 			     DDR_HMC_ERRINTEN_DERRINTEN_EN_SET_MSK);
 
-		/* Enable non-secure writes to HMC Adapter for SDRAM ECC */
-		writel(FW_HMC_ADAPTOR_MPU_MASK, FW_HMC_ADAPTOR_REG_ADDR);
-
 		if (!cpu_has_been_warmreset())
 			sdram_init_ecc_bits(&bd);
 	} else {
@@ -158,6 +155,9 @@ int sdram_mmr_init_full(struct udevice *dev)
 			      DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
 	}
 
+	/* Enable non-secure reads/writes to HMC Adapter for SDRAM ECC */
+	writel(FW_HMC_ADAPTOR_MPU_MASK, FW_HMC_ADAPTOR_REG_ADDR);
+
 	sdram_size_check(&bd);
 
 	priv->info.base = bd.bi_dram[0].start;
diff --git a/drivers/ddr/altera/sdram_s10.c b/drivers/ddr/altera/sdram_s10.c
index cf586ac860..93c15dd18b 100644
--- a/drivers/ddr/altera/sdram_s10.c
+++ b/drivers/ddr/altera/sdram_s10.c
@@ -307,9 +307,6 @@ int sdram_mmr_init_full(struct udevice *dev)
 			      DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
 		hmc_ecc_writel(plat, DDR_HMC_ERRINTEN_INTMASK, ERRINTENS);
 
-		/* Enable non-secure writes to HMC Adapter for SDRAM ECC */
-		writel(FW_HMC_ADAPTOR_MPU_MASK, FW_HMC_ADAPTOR_REG_ADDR);
-
 		/* Initialize memory content if not from warm reset */
 		if (!cpu_has_been_warmreset())
 			sdram_init_ecc_bits(&bd);
@@ -323,6 +320,9 @@ int sdram_mmr_init_full(struct udevice *dev)
 			      DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
 	}
 
+	/* Enable non-secure reads/writes to HMC Adapter for SDRAM ECC */
+	writel(FW_HMC_ADAPTOR_MPU_MASK, FW_HMC_ADAPTOR_REG_ADDR);
+
 	sdram_size_check(&bd);
 
 	priv->info.base = bd.bi_dram[0].start;