diff --git a/target/linux/realtek/files-6.6/arch/mips/rtl838x/prom.c b/target/linux/realtek/files-6.6/arch/mips/rtl838x/prom.c
index 0c98af95485..73dac88b3cb 100644
--- a/target/linux/realtek/files-6.6/arch/mips/rtl838x/prom.c
+++ b/target/linux/realtek/files-6.6/arch/mips/rtl838x/prom.c
@@ -181,6 +181,10 @@ void __init prom_init(void)
 		soc_info.name = "RTL9303";
 		soc_info.family = RTL9300_FAMILY_ID;
 		break;
+	case 0x9311:
+		soc_info.name = "RTL9311";
+		soc_info.family = RTL9310_FAMILY_ID;
+		break;
 	case 0x9313:
 		soc_info.name = "RTL9313";
 		soc_info.family = RTL9310_FAMILY_ID;