PCIE_IRQ_CAUSE_OFS = 0x1900,
PCIE_IRQ_MASK_OFS = 0x1910,
- PCIE_UNMASK_ALL_IRQS = 0x70a, /* assorted bits */
+ PCIE_UNMASK_ALL_IRQS = 0x40a, /* assorted bits */
HC_MAIN_IRQ_CAUSE_OFS = 0x1d60,
HC_MAIN_IRQ_MASK_OFS = 0x1d64,
/* SATA registers */
SATA_STATUS_OFS = 0x300, /* ctrl, err regs follow status */
SATA_ACTIVE_OFS = 0x350,
+ SATA_FIS_IRQ_CAUSE_OFS = 0x364,
PHY_MODE3 = 0x310,
PHY_MODE4 = 0x314,
PHY_MODE2 = 0x330,
/* Port registers */
EDMA_CFG_OFS = 0,
- EDMA_CFG_Q_DEPTH = 0, /* queueing disabled */
- EDMA_CFG_NCQ = (1 << 5),
- EDMA_CFG_NCQ_GO_ON_ERR = (1 << 14), /* continue on error */
- EDMA_CFG_RD_BRST_EXT = (1 << 11), /* read burst 512B */
- EDMA_CFG_WR_BUFF_LEN = (1 << 13), /* write buffer 512B */
+ EDMA_CFG_Q_DEPTH = 0x1f, /* max device queue depth */
+ EDMA_CFG_NCQ = (1 << 5), /* for R/W FPDMA queued */
+ EDMA_CFG_NCQ_GO_ON_ERR = (1 << 14), /* continue on error */
+ EDMA_CFG_RD_BRST_EXT = (1 << 11), /* read burst 512B */
+ EDMA_CFG_WR_BUFF_LEN = (1 << 13), /* write buffer 512B */
EDMA_ERR_IRQ_CAUSE_OFS = 0x8,
EDMA_ERR_IRQ_MASK_OFS = 0xc,
EDMA_ERR_CRPB_PAR = (1 << 10), /* CRPB parity error */
EDMA_ERR_INTRL_PAR = (1 << 11), /* internal parity error */
EDMA_ERR_IORDY = (1 << 12), /* IORdy timeout */
+
EDMA_ERR_LNK_CTRL_RX = (0xf << 13), /* link ctrl rx error */
- EDMA_ERR_LNK_CTRL_RX_2 = (1 << 15),
+ EDMA_ERR_LNK_CTRL_RX_0 = (1 << 13), /* transient: CRC err */
+ EDMA_ERR_LNK_CTRL_RX_1 = (1 << 14), /* transient: FIFO err */
+ EDMA_ERR_LNK_CTRL_RX_2 = (1 << 15), /* fatal: caught SYNC */
+ EDMA_ERR_LNK_CTRL_RX_3 = (1 << 16), /* transient: FIS rx err */
+
EDMA_ERR_LNK_DATA_RX = (0xf << 17), /* link data rx error */
+
EDMA_ERR_LNK_CTRL_TX = (0x1f << 21), /* link ctrl tx error */
+ EDMA_ERR_LNK_CTRL_TX_0 = (1 << 21), /* transient: CRC err */
+ EDMA_ERR_LNK_CTRL_TX_1 = (1 << 22), /* transient: FIFO err */
+ EDMA_ERR_LNK_CTRL_TX_2 = (1 << 23), /* transient: caught SYNC */
+ EDMA_ERR_LNK_CTRL_TX_3 = (1 << 24), /* transient: caught DMAT */
+ EDMA_ERR_LNK_CTRL_TX_4 = (1 << 25), /* transient: FIS collision */
+
EDMA_ERR_LNK_DATA_TX = (0x1f << 26), /* link data tx error */
+
EDMA_ERR_TRANS_PROTO = (1 << 31), /* transport protocol error */
EDMA_ERR_OVERRUN_5 = (1 << 5),
EDMA_ERR_UNDERRUN_5 = (1 << 6),
+
+ EDMA_ERR_IRQ_TRANSIENT = EDMA_ERR_LNK_CTRL_RX_0 |
+ EDMA_ERR_LNK_CTRL_RX_1 |
+ EDMA_ERR_LNK_CTRL_RX_3 |
+ EDMA_ERR_LNK_CTRL_TX,
+
EDMA_EH_FREEZE = EDMA_ERR_D_PAR |
EDMA_ERR_PRD_PAR |
EDMA_ERR_DEV_DCON |
/* Port private flags (pp_flags) */
MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */
+ MV_PP_FLAG_NCQ_EN = (1 << 1), /* is EDMA set up for NCQ? */
MV_PP_FLAG_HAD_A_RESET = (1 << 2), /* 1st hard reset complete? */
};
static void mv_post_int_cmd(struct ata_queued_cmd *qc);
static void mv_eh_freeze(struct ata_port *ap);
static void mv_eh_thaw(struct ata_port *ap);
+static void mv6_dev_config(struct ata_device *dev);
static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static void mv5_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio);
static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port_no);
+static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv,
+ void __iomem *port_mmio, int want_ncq);
+static int __mv_stop_dma(struct ata_port *ap);
static struct scsi_host_template mv5_sht = {
.module = THIS_MODULE,
};
static const struct ata_port_operations mv6_ops = {
+ .dev_config = mv6_dev_config,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
* LOCKING:
* Inherited from caller.
*/
-static void mv_start_dma(void __iomem *base, struct mv_host_priv *hpriv,
- struct mv_port_priv *pp)
+static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio,
+ struct mv_port_priv *pp, u8 protocol)
{
+ int want_ncq = (protocol == ATA_PROT_NCQ);
+
+ if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) {
+ int using_ncq = ((pp->pp_flags & MV_PP_FLAG_NCQ_EN) != 0);
+ if (want_ncq != using_ncq)
+ __mv_stop_dma(ap);
+ }
if (!(pp->pp_flags & MV_PP_FLAG_EDMA_EN)) {
+ struct mv_host_priv *hpriv = ap->host->private_data;
+ int hard_port = mv_hardport_from_port(ap->port_no);
+ void __iomem *hc_mmio = mv_hc_base_from_port(
+ ap->host->iomap[MV_PRIMARY_BAR], hard_port);
+ u32 hc_irq_cause, ipending;
+
/* clear EDMA event indicators, if any */
- writelfl(0, base + EDMA_ERR_IRQ_CAUSE_OFS);
+ writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
+
+ /* clear EDMA interrupt indicator, if any */
+ hc_irq_cause = readl(hc_mmio + HC_IRQ_CAUSE_OFS);
+ ipending = (DEV_IRQ << hard_port) |
+ (CRPB_DMA_DONE << hard_port);
+ if (hc_irq_cause & ipending) {
+ writelfl(hc_irq_cause & ~ipending,
+ hc_mmio + HC_IRQ_CAUSE_OFS);
+ }
+
+ mv_edma_cfg(pp, hpriv, port_mmio, want_ncq);
- mv_set_edma_ptrs(base, hpriv, pp);
+ /* clear FIS IRQ Cause */
+ writelfl(0, port_mmio + SATA_FIS_IRQ_CAUSE_OFS);
- writelfl(EDMA_EN, base + EDMA_CMD_OFS);
+ mv_set_edma_ptrs(port_mmio, hpriv, pp);
+
+ writelfl(EDMA_EN, port_mmio + EDMA_CMD_OFS);
pp->pp_flags |= MV_PP_FLAG_EDMA_EN;
}
- WARN_ON(!(EDMA_EN & readl(base + EDMA_CMD_OFS)));
+ WARN_ON(!(EDMA_EN & readl(port_mmio + EDMA_CMD_OFS)));
}
/**
return -EINVAL;
}
-static void mv_edma_cfg(struct ata_port *ap, struct mv_host_priv *hpriv,
- void __iomem *port_mmio)
+static void mv6_dev_config(struct ata_device *adev)
{
- u32 cfg = readl(port_mmio + EDMA_CFG_OFS);
+ /*
+ * We don't have hob_nsect when doing NCQ commands on Gen-II.
+ * See mv_qc_prep() for more info.
+ */
+ if (adev->flags & ATA_DFLAG_NCQ)
+ if (adev->max_sectors > ATA_MAX_SECTORS)
+ adev->max_sectors = ATA_MAX_SECTORS;
+}
+
+static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv,
+ void __iomem *port_mmio, int want_ncq)
+{
+ u32 cfg;
/* set up non-NCQ EDMA configuration */
- cfg &= ~(1 << 9); /* disable eQue */
+ cfg = EDMA_CFG_Q_DEPTH; /* always 0x1f for *all* chips */
- if (IS_GEN_I(hpriv)) {
- cfg &= ~0x1f; /* clear queue depth */
+ if (IS_GEN_I(hpriv))
cfg |= (1 << 8); /* enab config burst size mask */
- }
- else if (IS_GEN_II(hpriv)) {
- cfg &= ~0x1f; /* clear queue depth */
+ else if (IS_GEN_II(hpriv))
cfg |= EDMA_CFG_RD_BRST_EXT | EDMA_CFG_WR_BUFF_LEN;
- cfg &= ~(EDMA_CFG_NCQ | EDMA_CFG_NCQ_GO_ON_ERR); /* clear NCQ */
- }
else if (IS_GEN_IIE(hpriv)) {
cfg |= (1 << 23); /* do not mask PM field in rx'd FIS */
cfg |= (1 << 22); /* enab 4-entry host queue cache */
- cfg &= ~(1 << 19); /* dis 128-entry queue (for now?) */
cfg |= (1 << 18); /* enab early completion */
cfg |= (1 << 17); /* enab cut-through (dis stor&forwrd) */
- cfg &= ~(1 << 16); /* dis FIS-based switching (for now) */
- cfg &= ~(EDMA_CFG_NCQ); /* clear NCQ */
}
+ if (want_ncq) {
+ cfg |= EDMA_CFG_NCQ;
+ pp->pp_flags |= MV_PP_FLAG_NCQ_EN;
+ } else
+ pp->pp_flags &= ~MV_PP_FLAG_NCQ_EN;
+
writelfl(cfg, port_mmio + EDMA_CFG_OFS);
}
spin_lock_irqsave(&ap->host->lock, flags);
- mv_edma_cfg(ap, hpriv, port_mmio);
+ mv_edma_cfg(pp, hpriv, port_mmio, 0);
mv_set_edma_ptrs(port_mmio, hpriv, pp);
struct mv_port_priv *pp = qc->ap->private_data;
struct scatterlist *sg;
struct mv_sg *mv_sg, *last_sg = NULL;
+ unsigned int si;
mv_sg = pp->sg_tbl;
- ata_for_each_sg(sg, qc) {
+ for_each_sg(qc->sg, sg, qc->n_elem, si) {
dma_addr_t addr = sg_dma_address(sg);
u32 sg_len = sg_dma_len(sg);
flags |= CRQB_FLAG_READ;
WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
flags |= qc->tag << CRQB_TAG_SHIFT;
- flags |= qc->tag << CRQB_IOID_SHIFT; /* 50xx appears to ignore this*/
/* get current queue index from software */
in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
flags |= qc->tag << CRQB_TAG_SHIFT;
- flags |= qc->tag << CRQB_IOID_SHIFT; /* "I/O Id" is -really-
- what we use as our tag */
+ flags |= qc->tag << CRQB_HOSTQ_SHIFT;
/* get current queue index from software */
in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
struct ata_port *ap = qc->ap;
void __iomem *port_mmio = mv_ap_base(ap);
struct mv_port_priv *pp = ap->private_data;
- struct mv_host_priv *hpriv = ap->host->private_data;
u32 in_index;
if (qc->tf.protocol != ATA_PROT_DMA) {
return ata_qc_issue_prot(qc);
}
- mv_start_dma(port_mmio, hpriv, pp);
+ mv_start_dma(ap, port_mmio, pp, qc->tf.protocol);
in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
ata_ehi_hotplugged(ehi);
ata_ehi_push_desc(ehi, edma_err_cause & EDMA_ERR_DEV_DCON ?
"dev disconnect" : "dev connect");
+ action |= ATA_EH_HARDRESET;
}
if (IS_GEN_I(hpriv)) {
}
/* Clear EDMA now that SERR cleanup done */
- writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
+ writelfl(~edma_err_cause, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
if (!err_mask) {
err_mask = AC_ERR_OTHER;
* support for queueing. this works transparently for
* queued and non-queued modes.
*/
- else if (IS_GEN_II(hpriv))
- tag = (le16_to_cpu(pp->crpb[out_index].id)
- >> CRPB_IOID_SHIFT_6) & 0x3f;
-
- else /* IS_GEN_IIE */
- tag = (le16_to_cpu(pp->crpb[out_index].id)
- >> CRPB_IOID_SHIFT_7) & 0x3f;
+ else
+ tag = le16_to_cpu(pp->crpb[out_index].id) & 0x1f;
qc = ata_qc_from_tag(ap, tag);
- /* lower 8 bits of status are EDMA_ERR_IRQ_CAUSE_OFS
- * bits (WARNING: might not necessarily be associated
- * with this command), which -should- be clear
- * if all is well
+ /* For non-NCQ mode, the lower 8 bits of status
+ * are from EDMA_ERR_IRQ_CAUSE_OFS,
+ * which should be zero if all went well.
*/
status = le16_to_cpu(pp->crpb[out_index].flags);
- if (unlikely(status & 0xff)) {
+ if ((status & 0xff) && !(pp->pp_flags & MV_PP_FLAG_NCQ_EN)) {
mv_err_intr(ap, qc);
return;
}
struct ata_host *host = dev_instance;
unsigned int hc, handled = 0, n_hcs;
void __iomem *mmio = host->iomap[MV_PRIMARY_BAR];
- u32 irq_stat;
+ u32 irq_stat, irq_mask;
+ spin_lock(&host->lock);
irq_stat = readl(mmio + HC_MAIN_IRQ_CAUSE_OFS);
+ irq_mask = readl(mmio + HC_MAIN_IRQ_MASK_OFS);
/* check the cases where we either have nothing pending or have read
* a bogus register value which can indicate HW removal or PCI fault
*/
- if (!irq_stat || (0xffffffffU == irq_stat))
- return IRQ_NONE;
+ if (!(irq_stat & irq_mask) || (0xffffffffU == irq_stat))
+ goto out_unlock;
n_hcs = mv_get_hc_count(host->ports[0]->flags);
- spin_lock(&host->lock);
if (unlikely(irq_stat & PCI_ERR)) {
mv_pci_error(host, mmio);
writelfl(readl(port_mmio + serr_ofs), port_mmio + serr_ofs);
writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
- /* unmask all EDMA error interrupts */
- writelfl(~0, port_mmio + EDMA_ERR_IRQ_MASK_OFS);
+ /* unmask all non-transient EDMA error interrupts */
+ writelfl(~EDMA_ERR_IRQ_TRANSIENT, port_mmio + EDMA_ERR_IRQ_MASK_OFS);
VPRINTK("EDMA cfg=0x%08x EDMA IRQ err cause/mask=0x%08x/0x%08x\n",
readl(port_mmio + EDMA_CFG_OFS),
case chip_7042:
hp_flags |= MV_HP_PCIE;
+ if (pdev->vendor == PCI_VENDOR_ID_TTI &&
+ (pdev->device == 0x2300 || pdev->device == 0x2310))
+ {
+ /*
+ * Highpoint RocketRAID PCIe 23xx series cards:
+ *
+ * Unconfigured drives are treated as "Legacy"
+ * by the BIOS, and it overwrites sector 8 with
+ * a "Lgcy" metadata block prior to Linux boot.
+ *
+ * Configured drives (RAID or JBOD) leave sector 8
+ * alone, but instead overwrite a high numbered
+ * sector for the RAID metadata. This sector can
+ * be determined exactly, by truncating the physical
+ * drive capacity to a nice even GB value.
+ *
+ * RAID metadata is at: (dev->n_sectors & ~0xfffff)
+ *
+ * Warn the user, lest they think we're just buggy.
+ */
+ printk(KERN_WARNING DRV_NAME ": Highpoint RocketRAID"
+ " BIOS CORRUPTS DATA on all attached drives,"
+ " regardless of if/how they are configured."
+ " BEWARE!\n");
+ printk(KERN_WARNING DRV_NAME ": For data safety, do not"
+ " use sectors 8-9 on \"Legacy\" drives,"
+ " and avoid the final two gigabytes on"
+ " all RocketRAID BIOS initialized drives.\n");
+ }
case chip_6042:
hpriv->ops = &mv6xxx_ops;
hp_flags |= MV_HP_GEN_IIE;
projects / linux-2.6 / blobdiff