--- linux-2.6.20-rc3/drivers/ata/pata_marvell.c	2007-01-01 01:53:20.000000000 +0100
+++ linux-2.6.20-rc3.new/drivers/ata/pata_marvell.c	2007-01-06 12:33:03.000000000 +0100
@@ -49,7 +49,7 @@
 	devices = readl(barp + 0x0C);
 	pci_iounmap(pdev, barp);
 	
-	if ((pdev->device == 0x6145) && (ap->port_no == 0) &&
+	if (((pdev->device == 0x6145) || (pdev->device == 0x6121)) && (ap->port_no == 0) &&
 	    (!(devices & 0x10)))	/* PATA enable ? */
 		return -ENOENT;
 
@@ -181,9 +181,19 @@
 	};
 	struct ata_port_info *port_info[2] = { &info, &info_sata };
 	int n_port = 2;
+	void __iomem *mmio_base;
 
 	if (pdev->device == 0x6101)
 		n_port = 1;
+	else if (pdev->device == 0x6121) {
+		mmio_base = pci_iomap(pdev, 5, 0);
+		if (mmio_base == NULL) {
+			return -ENOMEM;
+		}
+		/* turn on legacy mode */
+		writel(0, mmio_base + 0x04);
+		(void) readl(mmio_base + 0x04);	/* flush */
+	}
 
 	return ata_pci_init_one(pdev, port_info, n_port);
 }
@@ -191,6 +201,7 @@
 static const struct pci_device_id marvell_pci_tbl[] = {
 	{ PCI_DEVICE(0x11AB, 0x6101), },
 	{ PCI_DEVICE(0x11AB, 0x6145), },
+	{ PCI_DEVICE(0x11AB, 0x6121), },
 	{ }	/* terminate list */
 };