1 files changed, 97 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.3/080-sata_support.patch b/target/linux/cns3xxx/patches-3.3/080-sata_support.patch
new file mode 100644
index 0000000..e614385
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.3/080-sata_support.patch
@@ -0,0 +1,97 @@
+--- a/arch/arm/mach-cns3xxx/devices.c
++++ b/arch/arm/mach-cns3xxx/devices.c
+@@ -41,7 +41,7 @@ static struct resource cns3xxx_ahci_reso
+ static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
+ 
+ static struct platform_device cns3xxx_ahci_pdev = {
+-	.name		= "ahci",
++	.name		= "ahci-cns3xxx",
+ 	.id		= 0,
+ 	.resource	= cns3xxx_ahci_resource,
+ 	.num_resources	= ARRAY_SIZE(cns3xxx_ahci_resource),
+--- a/drivers/ata/ahci_platform.c
++++ b/drivers/ata/ahci_platform.c
+@@ -27,6 +27,7 @@ enum ahci_type {
+ 	AHCI,		/* standard platform ahci */
+ 	IMX53_AHCI,	/* ahci on i.mx53 */
+ 	STRICT_AHCI,	/* delayed DMA engine start */
++	CNS3XXX_AHCI,	/* AHCI on cns3xxx */
+ };
+ 
+ static struct platform_device_id ahci_devtype[] = {
+@@ -40,11 +41,32 @@ static struct platform_device_id ahci_de
+ 		.name = "strict-ahci",
+ 		.driver_data = STRICT_AHCI,
+ 	}, {
++		.name = "ahci-cns3xxx",
++		.driver_data = CNS3XXX_AHCI,
++	}, {
+ 		/* sentinel */
+ 	}
+ };
+ MODULE_DEVICE_TABLE(platform, ahci_devtype);
+ 
++static int
++cns3xxx_ahci_softreset(struct ata_link *link, unsigned int *class,
++		       unsigned long deadline)
++{
++	int pmp = sata_srst_pmp(link);
++	int ret;
++
++	ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
++	if (pmp && ret)
++		return ahci_do_softreset(link, class, 0, deadline,
++			ahci_check_ready);
++	return ret;
++}
++
++static struct ata_port_operations cns3xxx_ahci_ops = {
++	.inherits		= &ahci_ops,
++	.softreset		= cns3xxx_ahci_softreset,
++};
+ 
+ static const struct ata_port_info ahci_port_info[] = {
+ 	/* by features */
+@@ -67,13 +89,19 @@ static const struct ata_port_info ahci_p
+ 		.udma_mask	= ATA_UDMA6,
+ 		.port_ops	= &ahci_ops,
+ 	},
++	[CNS3XXX_AHCI] = {
++		.flags		= AHCI_FLAG_COMMON,
++		.pio_mask	= ATA_PIO4,
++		.udma_mask	= ATA_UDMA6,
++		.port_ops	= &cns3xxx_ahci_ops,
++	}
+ };
+ 
+ static struct scsi_host_template ahci_platform_sht = {
+ 	AHCI_SHT("ahci_platform"),
+ };
+ 
+-static int __init ahci_probe(struct platform_device *pdev)
++static int __devinit ahci_probe(struct platform_device *pdev)
+ {
+ 	struct device *dev = &pdev->dev;
+ 	struct ahci_platform_data *pdata = dev_get_platdata(dev);
+@@ -285,6 +313,7 @@ static const struct of_device_id ahci_of
+ MODULE_DEVICE_TABLE(of, ahci_of_match);
+ 
+ static struct platform_driver ahci_driver = {
++	.probe = ahci_probe,
+ 	.remove = __devexit_p(ahci_remove),
+ 	.driver = {
+ 		.name = "ahci",
+@@ -299,7 +328,7 @@ static struct platform_driver ahci_drive
+ 
+ static int __init ahci_init(void)
+ {
+-	return platform_driver_probe(&ahci_driver, ahci_probe);
++	return platform_driver_register(&ahci_driver);
+ }
+ module_init(ahci_init);
+ 
+@@ -312,4 +341,3 @@ module_exit(ahci_exit);
+ MODULE_DESCRIPTION("AHCI SATA platform driver");
+ MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");
+ MODULE_LICENSE("GPL");
+-MODULE_ALIAS("platform:ahci");