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Message-Id: <200710111605.15757.jason.d.gaston@intel.com>
Date: Thu, 11 Oct 2007 16:05:15 -0700
From: Jason Gaston <jason.d.gaston@...el.com>
To: jgarzik@...ox.com, jason.d.gaston@...el.com
Cc: linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
htejun@...il.com
Subject: [PATCH 2.6.23]ata_piix: SATA 2port controller port map fix
This patch adds a port map for ICH9 and ICH8 SATA controllers that have only 2 ports available in that mode.
Signed-off-by: Jason Gaston <jason.d.gaston@...el.com>
--- linux-2.6.23/drivers/ata/ata_piix.c.orig 2007-10-09 13:31:38.000000000 -0700
+++ linux-2.6.23/drivers/ata/ata_piix.c 2007-10-11 15:55:19.000000000 -0700
@@ -131,6 +131,7 @@
ich8_sata_ahci = 9,
piix_pata_mwdma = 10, /* PIIX3 MWDMA only */
tolapai_sata_ahci = 11,
+ ich9_2port_sata = 12,
/* constants for mapping table */
P0 = 0, /* port 0 */
@@ -239,19 +240,19 @@
/* SATA Controller 1 IDE (ICH8) */
{ 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller 2 IDE (ICH8) */
- { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
/* Mobile SATA Controller IDE (ICH8M) */
{ 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (ICH9) */
{ 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (ICH9) */
- { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
/* SATA Controller IDE (ICH9) */
- { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
/* SATA Controller IDE (ICH9M) */
- { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
/* SATA Controller IDE (ICH9M) */
- { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
/* SATA Controller IDE (ICH9M) */
{ 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (Tolapai) */
@@ -456,6 +457,18 @@
},
};
+static const struct piix_map_db ich9_2port_map_db = {
+ .mask = 0x3,
+ .port_enable = 0x3,
+ .map = {
+ /* PM PS SM SS MAP */
+ { P0, NA, P1, NA }, /* 00b */
+ { RV, RV, RV, RV }, /* 01b */
+ { RV, RV, RV, RV }, /* 10b */
+ { RV, RV, RV, RV },
+ },
+};
+
static const struct piix_map_db *piix_map_db_table[] = {
[ich5_sata] = &ich5_map_db,
[ich6_sata] = &ich6_map_db,
@@ -463,6 +476,7 @@
[ich6m_sata_ahci] = &ich6m_map_db,
[ich8_sata_ahci] = &ich8_map_db,
[tolapai_sata_ahci] = &tolapai_map_db,
+ [ich9_2port_sata] = &ich9_2port_map_db,
};
static struct ata_port_info piix_port_info[] = {
@@ -587,6 +601,17 @@
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
+
+ /* ich9_2port_sata: 12: */
+ {
+ .sht = &piix_sht,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
+ PIIX_FLAG_AHCI,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
+ },
};
static struct pci_bits piix_enable_bits[] = {
-
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