diff --git a/target/linux/ar71xx/config-2.6.37 b/target/linux/ar71xx/config-2.6.37
index c9dfcffc77..2aaaaf097d 100644
--- a/target/linux/ar71xx/config-2.6.37
+++ b/target/linux/ar71xx/config-2.6.37
@@ -178,6 +178,7 @@ CONFIG_SLUB=y
 CONFIG_SOC_AR71XX=y
 CONFIG_SOC_AR724X=y
 CONFIG_SOC_AR913X=y
+# CONFIG_SOC_AR933X is not set
 CONFIG_SOC_AR934X=y
 CONFIG_SPI=y
 CONFIG_SPI_AP83=y
diff --git a/target/linux/ar71xx/config-2.6.38 b/target/linux/ar71xx/config-2.6.38
index 1e4a9ff1ee..876582682f 100644
--- a/target/linux/ar71xx/config-2.6.38
+++ b/target/linux/ar71xx/config-2.6.38
@@ -178,6 +178,7 @@ CONFIG_SLUB=y
 CONFIG_SOC_AR71XX=y
 CONFIG_SOC_AR724X=y
 CONFIG_SOC_AR913X=y
+# CONFIG_SOC_AR933X is not set
 CONFIG_SOC_AR934X=y
 CONFIG_SPI=y
 CONFIG_SPI_AP83=y
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index abc8346ff9..d2ee303e30 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -393,4 +393,8 @@ config AR71XX_NVRAM
 config AR71XX_PCI_ATH9K_FIXUP
 	def_bool n
 
+config SOC_AR933X
+	bool
+	select USB_ARCH_HAS_EHCI
+
 endif
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c b/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c
index 7fd730c154..d70347041a 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c
@@ -143,10 +143,16 @@ static void __init ar71xx_detect_sys_type(void)
 		}
 		break;
 
-	case REV_ID_MAJOR_AR9341:
-		ar71xx_soc = AR71XX_SOC_AR9341;
-		chip = "9341";
-		rev = id & AR934X_REV_ID_REVISION_MASK;
+	case REV_ID_MAJOR_AR9330:
+		ar71xx_soc = AR71XX_SOC_AR9330;
+		chip = "9330";
+		rev = id & AR933X_REV_ID_REVISION_MASK;
+		break;
+
+	case REV_ID_MAJOR_AR9331:
+		ar71xx_soc = AR71XX_SOC_AR9331;
+		chip = "9331";
+		rev = id & AR933X_REV_ID_REVISION_MASK;
 		break;
 
 	case REV_ID_MAJOR_AR9342:
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index 48c4a739d6..9dc15fea3d 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -127,6 +127,8 @@ enum ar71xx_soc_type {
 	AR71XX_SOC_AR7242,
 	AR71XX_SOC_AR9130,
 	AR71XX_SOC_AR9132,
+	AR71XX_SOC_AR9330,
+	AR71XX_SOC_AR9331,
 	AR71XX_SOC_AR9341,
 	AR71XX_SOC_AR9342,
 	AR71XX_SOC_AR9344,
@@ -641,6 +643,8 @@ void ar71xx_ddr_flush(u32 reg);
 #define REV_ID_MAJOR_AR7240	0x00c0
 #define REV_ID_MAJOR_AR7241	0x0100
 #define REV_ID_MAJOR_AR7242	0x1100
+#define REV_ID_MAJOR_AR9330	0x0110
+#define REV_ID_MAJOR_AR9331	0x1110
 #define REV_ID_MAJOR_AR9341	0x0120
 #define REV_ID_MAJOR_AR9342	0x1120
 #define REV_ID_MAJOR_AR9344	0x2120
@@ -660,6 +664,8 @@ void ar71xx_ddr_flush(u32 reg);
 
 #define AR724X_REV_ID_REVISION_MASK	0x3
 
+#define AR933X_REV_ID_REVISION_MASK	0xf
+
 #define AR934X_REV_ID_REVISION_MASK	0xf
 
 extern void __iomem *ar71xx_reset_base;