diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 58a9967..af08545 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -423,6 +423,16 @@
 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_1)):	/* BOOT_SCRATCH_COLD1 */
 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_8)):	/* BOOT_SCRATCH_COLD8 */
 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_9)):	/* BOOT_SCRATCH_COLD9 */
+	case(SOCFPGA_ECC_QSPI(CTRL)):			/* ECC_QSPI_CTRL */
+	case(SOCFPGA_ECC_QSPI(ERRINTEN)):		/* ECC_QSPI_ERRINTEN */
+	case(SOCFPGA_ECC_QSPI(ERRINTENS)):		/* ECC_QSPI_ERRINTENS */
+	case(SOCFPGA_ECC_QSPI(ERRINTENR)):		/* ECC_QSPI_ERRINTENR */
+	case(SOCFPGA_ECC_QSPI(INTMODE)):		/* ECC_QSPI_INTMODE */
+	case(SOCFPGA_ECC_QSPI(ECC_ACCCTRL)):	/* ECC_QSPI_ECC_ACCCTRL */
+	case(SOCFPGA_ECC_QSPI(ECC_STARTACC)):	/* ECC_QSPI_ECC_STARTACC */
+	case(SOCFPGA_ECC_QSPI(ECC_WDCTRL)):		/* ECC_QSPI_ECC_WDCTRL */
+	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
+	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
 		return 0;
 #endif
 	default:
@@ -451,7 +461,17 @@
 		return INTEL_SIP_SMC_STATUS_ERROR;
 	}
 
-	mmio_write_32(reg_addr, val);
+	switch (reg_addr) {
+#if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
+	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
+	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
+		mmio_write_16(reg_addr, val);
+		break;
+#endif
+	default:
+		mmio_write_32(reg_addr, val);
+		break;
+	}
 
 	return intel_secure_reg_read(reg_addr, retval);
 }