diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index dc7b56225923..fd27227771b4 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -80,6 +80,7 @@ enum {
 	board_ahci_pi		= 1,
 	board_ahci_vt8251	= 2,
 	board_ahci_ign_iferr	= 3,
+	board_ahci_sb600	= 4,
 
 	/* global controller registers */
 	HOST_CAP		= 0x00, /* host capabilities */
@@ -168,6 +169,7 @@ enum {
 	AHCI_FLAG_NO_NCQ		= (1 << 24),
 	AHCI_FLAG_IGN_IRQ_IF_ERR	= (1 << 25), /* ignore IRQ_IF_ERR */
 	AHCI_FLAG_HONOR_PI		= (1 << 26), /* honor PORTS_IMPL */
+	AHCI_FLAG_IGN_SERR_INTERNAL	= (1 << 27), /* ignore SERR_INTERNAL */
 };
 
 struct ahci_cmd_hdr {
@@ -362,6 +364,18 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
 		.port_ops	= &ahci_ops,
 	},
+	/* board_ahci_sb600 */
+	{
+		.sht		= &ahci_sht,
+		.flags		= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+				  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+				  ATA_FLAG_SKIP_D2H_BSY |
+				  AHCI_FLAG_IGN_SERR_INTERNAL,
+		.pio_mask	= 0x1f, /* pio0-4 */
+		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
+		.port_ops	= &ahci_ops,
+	},
+
 };
 
 static const struct pci_device_id ahci_pci_tbl[] = {
@@ -399,7 +413,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
 
 	/* ATI */
-	{ PCI_VDEVICE(ATI, 0x4380), board_ahci }, /* ATI SB600 non-raid */
+	{ PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 non-raid */
 	{ PCI_VDEVICE(ATI, 0x4381), board_ahci }, /* ATI SB600 raid */
 
 	/* VIA */
@@ -1067,8 +1081,11 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
 	if (ap->flags & AHCI_FLAG_IGN_IRQ_IF_ERR)
 		irq_stat &= ~PORT_IRQ_IF_ERR;
 
-	if (irq_stat & PORT_IRQ_TF_ERR)
+	if (irq_stat & PORT_IRQ_TF_ERR) {
 		err_mask |= AC_ERR_DEV;
+		if (ap->flags & AHCI_FLAG_IGN_SERR_INTERNAL)
+			serror &= ~SERR_INTERNAL;
+	}
 
 	if (irq_stat & (PORT_IRQ_HBUS_ERR | PORT_IRQ_HBUS_DATA_ERR)) {
 		err_mask |= AC_ERR_HOST_BUS;