diff --git a/drivers/pci/pci_table.c b/drivers/pci/pci_table.c
index 0291a7574..47d38a476 100644
--- a/drivers/pci/pci_table.c
+++ b/drivers/pci/pci_table.c
@@ -206,6 +206,7 @@ struct pci_subclass pci_subclass_table[]=
 	{ 0x01, 0x02, 0x00, "Floppy disk controller" },
 	{ 0x01, 0x03, 0x00, "IPI controller" },
 	{ 0x01, 0x04, 0x00, "RAID controller" },
+	{ 0x01, 0x06, 0x01, "AHCI controller" },
 	{ 0x01, 0x80, 0x00, "Other mass storage controller" },
 
 	{ 0x02, 0x00, 0x00, "Ethernet controller" },
diff --git a/include/arch/i386/pci.h b/include/arch/i386/pci.h
index cf71c6b6b..16113d837 100644
--- a/include/arch/i386/pci.h
+++ b/include/arch/i386/pci.h
@@ -123,6 +123,7 @@ Created:	Jan 2000 by Philip Homburg <philip@cs.vu.nl>
 /* Device type values as ([PCI_BCR] << 16) | ([PCI_SCR] << 8) | [PCI_PIFR] */
 #define PCI_T3_VGA_OLD		0x000100	/* OLD VGA class code */
 #define	PCI_T3_RAID		0x010400	/* RAID controller */
+#define PCI_T3_AHCI		0x010601	/* AHCI controller */
 #define PCI_T3_VGA		0x030000	/* VGA-compatible video card */
 #define PCI_T3_ISA		0x060100	/* ISA bridge */
 #define	PCI_T3_PCI2PCI		0x060400	/* PCI-to-PCI Bridge device */