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

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Message-Id: <1368689609-26864-1-git-send-email-chiauee85@gmail.com>
Date:	Thu, 16 May 2013 15:33:29 +0800
From:	Chew Chiau Ee <chiauee85@...il.com>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	Chew Chiau Ee <chiau.ee.chew@...el.com>
Subject: [PATCH] ata_piix: add PCI IDs for Intel BayTail

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

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>
---
 drivers/ata/ata_piix.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 2f48123..93cb092 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 {
@@ -334,6 +335,9 @@ 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 */
 };
@@ -441,6 +445,7 @@ 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 pci_bits piix_enable_bits[] = {
@@ -1254,6 +1259,16 @@ 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,
+	},
+
 };
 
 #define AHCI_PCI_BAR 5
-- 
1.7.4.4

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