linux-kernel - [PATCH 01/93] ata_piix: add PCI IDs for Intel BayTail

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Message-Id: <1371555821-12820-2-git-send-email-luis.henriques@canonical.com>
Date:	Tue, 18 Jun 2013 12:42:09 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	"Chew, Chiau Ee" <chiau.ee.chew@...el.com>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	Tejun Heo <tj@...nel.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 01/93] ata_piix: add PCI IDs for Intel BayTail

3.5.7.15 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Chew, Chiau Ee" <chiau.ee.chew@...el.com>

commit fca8c90d519dedd4f4b19901d005c243f7f0bf2e upstream.

Adds IDE-mode SATA Device IDs for the Intel BayTrail platform.

Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@...el.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
Signed-off-by: Tejun Heo <tj@...nel.org>
[ luis: backport to 3.5: adjust context ]
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/ata/ata_piix.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index a382b7c..624a948 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -151,6 +151,7 @@ enum piix_controller_ids {
 	piix_pata_vmw,			/* PIIX4 for VMware, spurious DMA_ERR */
 	ich8_sata_snb,
 	ich8_2port_sata_snb,
+	ich8_2port_sata_byt,
 };
 
 struct piix_map_db {
@@ -356,6 +357,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
 	{ 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
 	/* SATA Controller IDE (Wellsburg) */
 	{ 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+	/* SATA Controller IDE (BayTrail) */
+	{ 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+	{ 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
 
 	{ }	/* terminate list */
 };
@@ -521,6 +525,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
 	[tolapai_sata]		= &tolapai_map_db,
 	[ich8_sata_snb]		= &ich8_map_db,
 	[ich8_2port_sata_snb]	= &ich8_2port_map_db,
+	[ich8_2port_sata_byt]	= &ich8_2port_map_db,
 };
 
 static struct ata_port_info piix_port_info[] = {
@@ -671,6 +676,15 @@ static struct ata_port_info piix_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &piix_sata_ops,
 	},
+
+	[ich8_2port_sata_byt] =
+	{
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+		.pio_mask	= ATA_PIO4,
+		.mwdma_mask	= ATA_MWDMA2,
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &piix_sata_ops,
+	},
 };
 
 static struct pci_bits piix_enable_bits[] = {
-- 
1.8.1.2

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