Add the ahci controller legacy mode support to sata_nv.
Move the DIDs of legacy mode from ahci.c to sata_nv.c

The patch base on kernel 2.6.23-rc8

Signed-off-by: Peer Chen <[EMAIL PROTECTED]>
---
diff -uprN -X linux-2.6.23-rc8-vanilla/Documentation/dontdiff 
linux-2.6.23-rc8-vanilla/drivers/ata/ahci.c linux-2.6.23-rc8/drivers/ata/ahci.c
--- linux-2.6.23-rc8-vanilla/drivers/ata/ahci.c 2007-09-25 11:53:40.000000000 
-0400
+++ linux-2.6.23-rc8/drivers/ata/ahci.c 2007-09-25 11:53:25.000000000 -0400
@@ -434,14 +434,6 @@ static const struct pci_device_id ahci_p
        { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci },            /* MCP65 */
        { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci },            /* MCP65 */
        { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci },            /* MCP65 */
-       { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci },            /* MCP65 */
-       { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci },            /* MCP65 */
-       { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci },            /* MCP65 */
-       { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci },            /* MCP65 */
-       { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci },            /* MCP67 */
-       { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci },            /* MCP67 */
-       { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci },            /* MCP67 */
-       { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci },            /* MCP67 */
        { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci },            /* MCP67 */
        { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci },            /* MCP67 */
        { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci },            /* MCP67 */
@@ -450,10 +442,6 @@ static const struct pci_device_id ahci_p
        { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci },            /* MCP67 */
        { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci },            /* MCP67 */
        { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci },            /* MCP67 */
-       { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci },            /* MCP73 */
-       { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci },            /* MCP73 */
-       { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci },            /* MCP73 */
-       { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci },            /* MCP73 */
        { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci },            /* MCP73 */
        { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci },            /* MCP73 */
        { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci },            /* MCP73 */
@@ -462,10 +450,6 @@ static const struct pci_device_id ahci_p
        { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci },            /* MCP73 */
        { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci },            /* MCP73 */
        { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci },            /* MCP73 */
-       { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci },            /* MCP77 */
-       { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci },            /* MCP77 */
-       { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci },            /* MCP77 */
-       { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci },            /* MCP77 */
        { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci },            /* MCP77 */
        { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci },            /* MCP77 */
        { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci },            /* MCP77 */
diff -uprN -X linux-2.6.23-rc8-vanilla/Documentation/dontdiff 
linux-2.6.23-rc8-vanilla/drivers/ata/sata_nv.c 
linux-2.6.23-rc8/drivers/ata/sata_nv.c
--- linux-2.6.23-rc8-vanilla/drivers/ata/sata_nv.c      2007-09-25 
11:31:03.000000000 -0400
+++ linux-2.6.23-rc8/drivers/ata/sata_nv.c      2007-09-25 11:19:48.000000000 
-0400
@@ -266,6 +266,7 @@ static void nv_adma_tf_read(struct ata_p
 enum nv_host_type
 {
        GENERIC,
+       AHCI_LEG,
        NFORCE2,
        NFORCE3 = NFORCE2,      /* NF2 == NF3 as far as sata_nv is concerned */
        CK804,
@@ -287,6 +288,29 @@ static const struct pci_device_id nv_pci
        { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC 
},
        { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC 
},
        { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC 
},
+       { PCI_VDEVICE(NVIDIA, 0x45c), AHCI_LEG },       /* MCP65 */
+       { PCI_VDEVICE(NVIDIA, 0x45d), AHCI_LEG },       /* MCP65 */
+       { PCI_VDEVICE(NVIDIA, 0x45e), AHCI_LEG },       /* MCP65 */
+       { PCI_VDEVICE(NVIDIA, 0x45f), AHCI_LEG },       /* MCP65 */
+       { PCI_VDEVICE(NVIDIA, 0x550), AHCI_LEG },       /* MCP67 */
+       { PCI_VDEVICE(NVIDIA, 0x551), AHCI_LEG },       /* MCP67 */
+       { PCI_VDEVICE(NVIDIA, 0x552), AHCI_LEG },       /* MCP67 */
+       { PCI_VDEVICE(NVIDIA, 0x553), AHCI_LEG },       /* MCP67 */
+       { PCI_VDEVICE(NVIDIA, 0x7f0), AHCI_LEG },       /* MCP73 */
+       { PCI_VDEVICE(NVIDIA, 0x7f1), AHCI_LEG },       /* MCP73 */
+       { PCI_VDEVICE(NVIDIA, 0x7f2), AHCI_LEG },       /* MCP73 */
+       { PCI_VDEVICE(NVIDIA, 0x7f3), AHCI_LEG },       /* MCP73 */
+       { PCI_VDEVICE(NVIDIA, 0xad0), AHCI_LEG },       /* MCP77 */
+       { PCI_VDEVICE(NVIDIA, 0xad1), AHCI_LEG },       /* MCP77 */
+       { PCI_VDEVICE(NVIDIA, 0xad2), AHCI_LEG },       /* MCP77 */
+       { PCI_VDEVICE(NVIDIA, 0xad3), AHCI_LEG },       /* MCP77 */
+       { PCI_VDEVICE(NVIDIA, 0xab4), AHCI_LEG },       /* MCP79 */
+       { PCI_VDEVICE(NVIDIA, 0xab5), AHCI_LEG },       /* MCP79 */
+       { PCI_VDEVICE(NVIDIA, 0xab6), AHCI_LEG },       /* MCP79 */
+       { PCI_VDEVICE(NVIDIA, 0xab7), AHCI_LEG },       /* MCP79 */     
+       { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
+               PCI_ANY_ID, PCI_ANY_ID,
+               PCI_CLASS_STORAGE_IDE<<8, 0xffff00, AHCI_LEG },
 
        { } /* terminate list */
 };
@@ -365,6 +389,30 @@ static const struct ata_port_operations 
        .port_start             = ata_port_start,
 };
 
+static const struct ata_port_operations nv_ahci_leg_ops = {
+       .port_disable           = ata_port_disable,
+       .tf_load                = ata_tf_load,
+       .tf_read                = ata_tf_read,
+       .exec_command           = ata_exec_command,
+       .check_status           = ata_check_status,
+       .dev_select             = ata_std_dev_select,
+       .bmdma_setup            = ata_bmdma_setup,
+       .bmdma_start            = ata_bmdma_start,
+       .bmdma_stop             = ata_bmdma_stop,
+       .bmdma_status           = ata_bmdma_status,
+       .qc_prep                = ata_qc_prep,
+       .qc_issue               = ata_qc_issue_prot,
+       .freeze                 = ata_bmdma_freeze,
+       .thaw                   = ata_bmdma_thaw,
+       .error_handler          = nv_error_handler,
+       .post_internal_cmd      = ata_bmdma_post_internal_cmd,
+       .data_xfer              = ata_data_xfer,
+       .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
+       .port_start             = ata_port_start,
+};
+
 static const struct ata_port_operations nv_nf2_ops = {
        .port_disable           = ata_port_disable,
        .tf_load                = ata_tf_load,
@@ -463,6 +511,17 @@ static const struct ata_port_info nv_por
                .port_ops       = &nv_generic_ops,
                .irq_handler    = nv_generic_interrupt,
        },
+       /* ahci legacy */
+       {
+               .sht            = &nv_sht,
+               .flags          = ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS |
+                                 ATA_FLAG_HRST_TO_RESUME,
+               .pio_mask       = NV_PIO_MASK,
+               .mwdma_mask     = NV_MWDMA_MASK,
+               .udma_mask      = NV_UDMA_MASK,
+               .port_ops       = &nv_ahci_leg_ops,
+               .irq_handler    = nv_generic_interrupt,
+       },
        /* nforce2/3 */
        {
                .sht            = &nv_sht,
-
                                
--------------
Peer Chen
2007-09-25

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