Add support for the NetCell NC3000/5000 series SATA RAID cards.

Reviewed by:	sos
Approved by:	imp (mentor)
MFC after:	1 week

3 files changed, 53 insertions, 0 deletions

diff --git a/sys/dev/ata/ata-chipset.c b/sys/dev/ata/ata-chipset.c
index 629fcfa..af174f2 100644
--- a/sys/dev/ata/ata-chipset.c
+++ b/sys/dev/ata/ata-chipset.c
@@ -118,6 +118,8 @@ static void ata_marvell_edma_dmasetprd(void *xsc, bus_dma_segment_t *segs, int n
 static void ata_marvell_edma_dmainit(device_t dev);
 static int ata_national_chipinit(device_t dev);
 static void ata_national_setmode(device_t dev, int mode);
+static int ata_netcell_chipinit(device_t dev);
+static int ata_netcell_allocate(device_t dev);
 static int ata_nvidia_chipinit(device_t dev);
 static int ata_nvidia_allocate(device_t dev);
 static int ata_nvidia_status(device_t dev);
@@ -2855,6 +2857,49 @@ ata_national_setmode(device_t dev, int mode)
     }
 }
 
+/*
+ * NetCell chipset support functions
+ */
+int
+ata_netcell_ident(device_t dev)
+{
+    struct ata_pci_controller *ctlr = device_get_softc(dev);
+
+    if (pci_get_devid(dev) == ATA_NETCELL_SR) {
+	device_set_desc(dev, "Netcell SyncRAID SR3000/5000 RAID Controller");
+	ctlr->chipinit = ata_netcell_chipinit;
+	return 0;
+    }
+    return ENXIO;
+}
+
+static int
+ata_netcell_chipinit(device_t dev)
+{
+    struct ata_pci_controller *ctlr = device_get_softc(dev);
+
+    if (ata_generic_chipinit(dev))
+	return ENXIO;
+
+    ctlr->allocate = ata_netcell_allocate;
+    return 0;
+}
+
+static int
+ata_netcell_allocate(device_t dev)
+{
+    struct ata_channel *ch = device_get_softc(dev);
+ 
+    /* setup the usual register normal pci style */
+    if (ata_pci_allocate(dev))
+	return ENXIO;
+ 
+    /* don't use 32 bit PIO transfers; these cause the NetCell to return
+     * garbage */
+    ch->flags |= ATA_USE_16BIT;
+
+    return 0;
+}
 
 /*
  * nVidia chipset support functions
diff --git a/sys/dev/ata/ata-pci.c b/sys/dev/ata/ata-pci.c
index e322757..fc3585a 100644
--- a/sys/dev/ata/ata-pci.c
+++ b/sys/dev/ata/ata-pci.c
@@ -120,6 +120,10 @@ ata_pci_probe(device_t dev)
 	if (!ata_national_ident(dev))
 	    return ATA_PROBE_OK;
 	break;
+    case ATA_NETCELL_ID:
+	if (!ata_netcell_ident(dev))
+	    return ATA_PROBE_OK;
+	break;
     case ATA_NVIDIA_ID:
 	if (!ata_nvidia_ident(dev))
 	    return ATA_PROBE_OK;
diff --git a/sys/dev/ata/ata-pci.h b/sys/dev/ata/ata-pci.h
index 784a3aa..d7fc883 100644
--- a/sys/dev/ata/ata-pci.h
+++ b/sys/dev/ata/ata-pci.h
@@ -198,6 +198,9 @@ struct ata_connect_task {
 #define ATA_NATIONAL_ID         0x100b
 #define ATA_SC1100              0x0502100b
 
+#define ATA_NETCELL_ID          0x169c
+#define ATA_NETCELL_SR          0x0044169c
+
 #define ATA_NVIDIA_ID           0x10de
 #define ATA_NFORCE1             0x01bc10de
 #define ATA_NFORCE2             0x006510de
@@ -450,6 +453,7 @@ int ata_jmicron_ident(device_t);
 int ata_marvell_ident(device_t);
 int ata_national_ident(device_t);
 int ata_nvidia_ident(device_t);
+int ata_netcell_ident(device_t);
 int ata_promise_ident(device_t);
 int ata_serverworks_ident(device_t);
 int ata_sii_ident(device_t);