--- linux-2.6.19/drivers/ata/libata-core.c.~1~ 2006-12-05 20:42:18.000000000 +0100
+++ linux-2.6.19/drivers/ata/libata-core.c     2006-12-05 21:01:26.000000000 +0100
@@ -5298,13 +5298,13 @@ void ata_port_init(struct ata_port *ap, 
 		ap->pio_mask = ent->pinfo2->pio_mask;
 		ap->mwdma_mask = ent->pinfo2->mwdma_mask;
 		ap->udma_mask = ent->pinfo2->udma_mask;
-		ap->flags |= ent->pinfo2->flags;
+		ap->flags |= ent->pinfo2->flags | ent->_port_flags[port_no];
 		ap->ops = ent->pinfo2->port_ops;
 	} else {
 		ap->pio_mask = ent->pio_mask;
 		ap->mwdma_mask = ent->mwdma_mask;
 		ap->udma_mask = ent->udma_mask;
-		ap->flags |= ent->port_flags;
+		ap->flags |= ent->port_flags | ent->_port_flags[port_no];
 		ap->ops = ent->port_ops;
 	}
 	ap->hw_sata_spd_limit = UINT_MAX;
--- linux-2.6.19/drivers/ata/sata_promise.c.~1~ 2006-12-05 20:42:18.000000000 +0100
+++ linux-2.6.19/drivers/ata/sata_promise.c     2006-12-05 21:01:26.000000000 +0100
@@ -175,7 +175,7 @@ static const struct ata_port_info pdc_po
 	/* board_2037x */
 	{
 		.sht		= &pdc_ata_sht,
-		.flags		= PDC_COMMON_FLAGS | ATA_FLAG_SATA,
+		.flags		= PDC_COMMON_FLAGS,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
@@ -213,7 +213,7 @@ static const struct ata_port_info pdc_po
 	/* board_2057x */
 	{
 		.sht		= &pdc_ata_sht,
-		.flags		= PDC_COMMON_FLAGS | ATA_FLAG_SATA,
+		.flags		= PDC_COMMON_FLAGS /* | ATA_FLAG_SATA*/,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
@@ -355,23 +355,27 @@ static void pdc_reset_port(struct ata_po
 static void pdc_sata_phy_reset(struct ata_port *ap)
 {
 	pdc_reset_port(ap);
-	sata_phy_reset(ap);
+	if (ap->flags & ATA_FLAG_SATA)
+		sata_phy_reset(ap);
+	else
+		pdc_pata_phy_reset(ap);
 }
 
 static void pdc_pata_cbl_detect(struct ata_port *ap)
 {
 	u8 tmp;
-	void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
+	void __iomem *mmio =
+		(void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
 
 	tmp = readb(mmio);
-
+	
 	if (tmp & 0x01) {
 		ap->cbl = ATA_CBL_PATA40;
 		ap->udma_mask &= ATA_UDMA_MASK_40C;
 	} else
 		ap->cbl = ATA_CBL_PATA80;
 }
-
+		
 static void pdc_pata_phy_reset(struct ata_port *ap)
 {
 	pdc_pata_cbl_detect(ap);
@@ -384,6 +388,20 @@ static u32 pdc_sata_scr_read (struct ata
 {
 	if (sc_reg > SCR_CONTROL)
 		return 0xffffffffU;
+	if (ap->flags & ATA_FLAG_SLAVE_POSS)
+	{
+		switch (sc_reg) {
+			case SCR_STATUS:
+				return 0x113;
+			case SCR_CONTROL:
+				return 0x300;
+			case SCR_ERROR:
+			case SCR_ACTIVE:
+			default:
+				return 0xffffffffU;
+		}
+	}
+
 	return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
 }
 
@@ -391,7 +409,7 @@ static u32 pdc_sata_scr_read (struct ata
 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
 			       u32 val)
 {
-	if (sc_reg > SCR_CONTROL)
+	if ((sc_reg > SCR_CONTROL) || (ap->flags & ATA_FLAG_SLAVE_POSS))
 		return;
 	writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
 }
@@ -679,6 +697,7 @@ static int pdc_ata_init_one (struct pci_
 	unsigned int board_idx = (unsigned int) ent->driver_data;
 	int pci_dev_busy = 0;
 	int rc;
+	u8 tmp;
 
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
@@ -743,6 +762,9 @@ static int pdc_ata_init_one (struct pci_
 	probe_ent->port[0].scr_addr = base + 0x400;
 	probe_ent->port[1].scr_addr = base + 0x500;
 
+	probe_ent->_port_flags[0] = ATA_FLAG_SATA;
+	probe_ent->_port_flags[1] = ATA_FLAG_SATA;
+	
 	/* notice 4-port boards */
 	switch (board_idx) {
 	case board_40518:
@@ -757,13 +779,27 @@ static int pdc_ata_init_one (struct pci_
 
 		probe_ent->port[2].scr_addr = base + 0x600;
 		probe_ent->port[3].scr_addr = base + 0x700;
+	
+		probe_ent->_port_flags[2] = ATA_FLAG_SATA;
+		probe_ent->_port_flags[3] = ATA_FLAG_SATA;
 		break;
 	case board_2057x:
 		/* Override hotplug offset for SATAII150 */
 		hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
 		/* Fall through */
 	case board_2037x:
+		/* Some boards have also PATA port */
 		probe_ent->n_ports = 2;
+		probe_ent->_port_flags[0] = ATA_FLAG_SATA;
+		probe_ent->_port_flags[1] = ATA_FLAG_SATA;
+		tmp = readb(mmio_base + PDC_FLASH_CTL+1);
+		if (!(tmp & 0x80))
+		{
+			probe_ent->n_ports = 3;
+			pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
+			probe_ent->_port_flags[2] = ATA_FLAG_SLAVE_POSS;
+			printk(KERN_INFO DRV_NAME " PATA port found\n");
+		}
 		break;
 	case board_20771:
 		probe_ent->n_ports = 2;
--- linux-2.6.19/include/linux/libata.h.~1~ 2006-12-05 20:42:18.000000000 +0100
+++ linux-2.6.19/include/linux/libata.h     2006-12-05 21:01:26.000000000 +0100
@@ -377,6 +377,7 @@ struct ata_probe_ent {
 	unsigned int		irq_flags;
 	unsigned long		port_flags;
 	unsigned long		_host_flags;
+	unsigned long		_port_flags[ATA_MAX_PORTS];
 	void __iomem		*mmio_base;
 	void			*private_data;