1 files changed, 19 insertions, 2 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index dc7b5622592..fd27227771b 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;