#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <linux/sched.h>
#include <linux/device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include "sata_promise.h"
#define DRV_NAME "sata_sx4"
-#define DRV_VERSION "0.9"
+#define DRV_VERSION "0.10"
enum {
+ PDC_MMIO_BAR = 3,
+ PDC_DIMM_BAR = 4,
+
PDC_PRD_TBL = 0x44, /* Direct command DMA table addr */
PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */
};
struct pdc_host_priv {
- void __iomem *dimm_mmio;
-
unsigned int doing_hdma;
unsigned int hdma_prod;
unsigned int hdma_cons;
static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
-static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance);
static void pdc_eng_timeout(struct ata_port *ap);
static void pdc_20621_phy_reset (struct ata_port *ap);
static int pdc_port_start(struct ata_port *ap);
static void pdc20621_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
-static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe);
-static int pdc20621_detect_dimm(struct ata_probe_ent *pe);
-static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe,
+static unsigned int pdc20621_dimm_init(struct ata_host *host);
+static int pdc20621_detect_dimm(struct ata_host *host);
+static unsigned int pdc20621_i2c_read(struct ata_host *host,
u32 device, u32 subaddr, u32 *pdata);
-static int pdc20621_prog_dimm0(struct ata_probe_ent *pe);
-static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe);
+static int pdc20621_prog_dimm0(struct ata_host *host);
+static unsigned int pdc20621_prog_dimm_global(struct ata_host *host);
#ifdef ATA_VERBOSE_DEBUG
-static void pdc20621_get_from_dimm(struct ata_probe_ent *pe,
+static void pdc20621_get_from_dimm(struct ata_host *host,
void *psource, u32 offset, u32 size);
#endif
-static void pdc20621_put_to_dimm(struct ata_probe_ent *pe,
+static void pdc20621_put_to_dimm(struct ata_host *host,
void *psource, u32 offset, u32 size);
static void pdc20621_irq_clear(struct ata_port *ap);
static unsigned int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc);
.phy_reset = pdc_20621_phy_reset,
.qc_prep = pdc20621_qc_prep,
.qc_issue = pdc20621_qc_issue_prot,
- .data_xfer = ata_mmio_data_xfer,
+ .data_xfer = ata_data_xfer,
.eng_timeout = pdc_eng_timeout,
- .irq_handler = pdc20621_interrupt,
.irq_clear = pdc20621_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = pdc_port_start,
};
static const struct ata_port_info pdc_port_info[] = {
/* board_20621 */
{
- .sht = &pdc_sata_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_SRST | ATA_FLAG_MMIO |
ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING,
struct scatterlist *sg;
struct ata_port *ap = qc->ap;
struct pdc_port_priv *pp = ap->private_data;
- void __iomem *mmio = ap->host->mmio_base;
- struct pdc_host_priv *hpriv = ap->host->private_data;
- void __iomem *dimm_mmio = hpriv->dimm_mmio;
+ void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR];
+ void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR];
unsigned int portno = ap->port_no;
unsigned int i, idx, total_len = 0, sgt_len;
u32 *buf = (u32 *) &pp->dimm_buf[PDC_DIMM_HEADER_SZ];
WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP));
- VPRINTK("ata%u: ENTER\n", ap->id);
+ VPRINTK("ata%u: ENTER\n", ap->print_id);
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
{
struct ata_port *ap = qc->ap;
struct pdc_port_priv *pp = ap->private_data;
- void __iomem *mmio = ap->host->mmio_base;
- struct pdc_host_priv *hpriv = ap->host->private_data;
- void __iomem *dimm_mmio = hpriv->dimm_mmio;
+ void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR];
+ void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR];
unsigned int portno = ap->port_no;
unsigned int i;
- VPRINTK("ata%u: ENTER\n", ap->id);
+ VPRINTK("ata%u: ENTER\n", ap->print_id);
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
{
struct ata_port *ap = qc->ap;
struct ata_host *host = ap->host;
- void __iomem *mmio = host->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
{
struct ata_port *ap = qc->ap;
unsigned int port_no = ap->port_no;
- struct pdc_host_priv *hpriv = ap->host->private_data;
- void *dimm_mmio = hpriv->dimm_mmio;
+ void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR];
dimm_mmio += (port_no * PDC_DIMM_WINDOW_STEP);
dimm_mmio += PDC_DIMM_HOST_PKT;
struct ata_port *ap = qc->ap;
struct ata_host *host = ap->host;
unsigned int port_no = ap->port_no;
- void __iomem *mmio = host->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
u8 seq = (u8) (port_no + 1);
unsigned int port_ofs;
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
- VPRINTK("ata%u: ENTER\n", ap->id);
+ VPRINTK("ata%u: ENTER\n", ap->print_id);
wmb(); /* flush PRD, pkt writes */
readl(mmio + PDC_20621_SEQCTL + (seq * 4)); /* flush */
writel(port_ofs + PDC_DIMM_ATA_PKT,
- (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
- readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+ ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+ readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
VPRINTK("submitted ofs 0x%x (%u), seq %u\n",
port_ofs + PDC_DIMM_ATA_PKT,
port_ofs + PDC_DIMM_ATA_PKT,
/* step two - DMA from DIMM to host */
if (doing_hdma) {
- VPRINTK("ata%u: read hdma, 0x%x 0x%x\n", ap->id,
+ VPRINTK("ata%u: read hdma, 0x%x 0x%x\n", ap->print_id,
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
/* step one - exec ATA command */
else {
u8 seq = (u8) (port_no + 1 + 4);
- VPRINTK("ata%u: read ata, 0x%x 0x%x\n", ap->id,
+ VPRINTK("ata%u: read ata, 0x%x 0x%x\n", ap->print_id,
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* submit hdma pkt */
/* step one - DMA from host to DIMM */
if (doing_hdma) {
u8 seq = (u8) (port_no + 1);
- VPRINTK("ata%u: write hdma, 0x%x 0x%x\n", ap->id,
+ VPRINTK("ata%u: write hdma, 0x%x 0x%x\n", ap->print_id,
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* submit ata pkt */
writel(0x00000001, mmio + PDC_20621_SEQCTL + (seq * 4));
readl(mmio + PDC_20621_SEQCTL + (seq * 4));
writel(port_ofs + PDC_DIMM_ATA_PKT,
- (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
- readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+ ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+ readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
}
/* step two - execute ATA command */
else {
- VPRINTK("ata%u: write ata, 0x%x 0x%x\n", ap->id,
+ VPRINTK("ata%u: write ata, 0x%x 0x%x\n", ap->print_id,
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
static void pdc20621_irq_clear(struct ata_port *ap)
{
struct ata_host *host = ap->host;
- void __iomem *mmio = host->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
mmio += PDC_CHIP0_OFS;
VPRINTK("ENTER\n");
- if (!host || !host->mmio_base) {
+ if (!host || !host->iomap[PDC_MMIO_BAR]) {
VPRINTK("QUICK EXIT\n");
return IRQ_NONE;
}
- mmio_base = host->mmio_base;
+ mmio_base = host->iomap[PDC_MMIO_BAR];
/* reading should also clear interrupts */
mmio_base += PDC_CHIP0_OFS;
}
-static void pdc_sata_setup_port(struct ata_ioports *port, unsigned long base)
+static void pdc_sata_setup_port(struct ata_ioports *port, void __iomem *base)
{
port->cmd_addr = base;
port->data_addr = base;
#ifdef ATA_VERBOSE_DEBUG
-static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource,
+static void pdc20621_get_from_dimm(struct ata_host *host, void *psource,
u32 offset, u32 size)
{
u32 window_size;
u16 idx;
u8 page_mask;
long dist;
- void __iomem *mmio = pe->mmio_base;
- struct pdc_host_priv *hpriv = pe->private_data;
- void __iomem *dimm_mmio = hpriv->dimm_mmio;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
+ void __iomem *dimm_mmio = host->iomap[PDC_DIMM_BAR];
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
#endif
-static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
+static void pdc20621_put_to_dimm(struct ata_host *host, void *psource,
u32 offset, u32 size)
{
u32 window_size;
u16 idx;
u8 page_mask;
long dist;
- void __iomem *mmio = pe->mmio_base;
- struct pdc_host_priv *hpriv = pe->private_data;
- void __iomem *dimm_mmio = hpriv->dimm_mmio;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
+ void __iomem *dimm_mmio = host->iomap[PDC_DIMM_BAR];
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
}
-static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device,
+static unsigned int pdc20621_i2c_read(struct ata_host *host, u32 device,
u32 subaddr, u32 *pdata)
{
- void __iomem *mmio = pe->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
u32 i2creg = 0;
u32 status;
u32 count =0;
}
-static int pdc20621_detect_dimm(struct ata_probe_ent *pe)
+static int pdc20621_detect_dimm(struct ata_host *host)
{
u32 data=0 ;
- if (pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
+ if (pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
PDC_DIMM_SPD_SYSTEM_FREQ, &data)) {
if (data == 100)
return 100;
} else
return 0;
- if (pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS, 9, &data)) {
+ if (pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, 9, &data)) {
if(data <= 0x75)
return 133;
} else
}
-static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
+static int pdc20621_prog_dimm0(struct ata_host *host)
{
u32 spd0[50];
u32 data = 0;
int size, i;
u8 bdimmsize;
- void __iomem *mmio = pe->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
static const struct {
unsigned int reg;
unsigned int ofs;
mmio += PDC_CHIP0_OFS;
for(i=0; i<ARRAY_SIZE(pdc_i2c_read_data); i++)
- pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
+ pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
pdc_i2c_read_data[i].reg,
&spd0[pdc_i2c_read_data[i].ofs]);
}
-static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe)
+static unsigned int pdc20621_prog_dimm_global(struct ata_host *host)
{
u32 data, spd0;
- int error, i;
- void __iomem *mmio = pe->mmio_base;
+ int error, i;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
readl(mmio + PDC_SDRAM_CONTROL_OFFSET);
/* Turn on for ECC */
- pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
+ pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
PDC_DIMM_SPD_TYPE, &spd0);
if (spd0 == 0x02) {
data |= (0x01 << 16);
}
-static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
+static unsigned int pdc20621_dimm_init(struct ata_host *host)
{
int speed, size, length;
u32 addr,spd0,pci_status;
u32 ticks=0;
u32 clock=0;
u32 fparam=0;
- void __iomem *mmio = pe->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
Read SPD of DIMM by I2C interface,
and program the DIMM Module Controller.
*/
- if (!(speed = pdc20621_detect_dimm(pe))) {
+ if (!(speed = pdc20621_detect_dimm(host))) {
printk(KERN_ERR "Detect Local DIMM Fail\n");
return 1; /* DIMM error */
}
VPRINTK("Local DIMM Speed = %d\n", speed);
/* Programming DIMM0 Module Control Register (index_CID0:80h) */
- size = pdc20621_prog_dimm0(pe);
+ size = pdc20621_prog_dimm0(host);
VPRINTK("Local DIMM Size = %dMB\n",size);
/* Programming DIMM Module Global Control Register (index_CID0:88h) */
- if (pdc20621_prog_dimm_global(pe)) {
+ if (pdc20621_prog_dimm_global(host)) {
printk(KERN_ERR "Programming DIMM Module Global Control Register Fail\n");
return 1;
}
'9','8','0','3','1','6','1','2',0,0};
u8 test_parttern2[40] = {0};
- pdc20621_put_to_dimm(pe, (void *) test_parttern2, 0x10040, 40);
- pdc20621_put_to_dimm(pe, (void *) test_parttern2, 0x40, 40);
+ pdc20621_put_to_dimm(host, (void *) test_parttern2, 0x10040, 40);
+ pdc20621_put_to_dimm(host, (void *) test_parttern2, 0x40, 40);
- pdc20621_put_to_dimm(pe, (void *) test_parttern1, 0x10040, 40);
- pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x40, 40);
+ pdc20621_put_to_dimm(host, (void *) test_parttern1, 0x10040, 40);
+ pdc20621_get_from_dimm(host, (void *) test_parttern2, 0x40, 40);
printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
test_parttern2[1], &(test_parttern2[2]));
- pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x10040,
+ pdc20621_get_from_dimm(host, (void *) test_parttern2, 0x10040,
40);
printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
test_parttern2[1], &(test_parttern2[2]));
- pdc20621_put_to_dimm(pe, (void *) test_parttern1, 0x40, 40);
- pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x40, 40);
+ pdc20621_put_to_dimm(host, (void *) test_parttern1, 0x40, 40);
+ pdc20621_get_from_dimm(host, (void *) test_parttern2, 0x40, 40);
printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
test_parttern2[1], &(test_parttern2[2]));
}
/* ECC initiliazation. */
- pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
+ pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
PDC_DIMM_SPD_TYPE, &spd0);
if (spd0 == 0x02) {
VPRINTK("Start ECC initialization\n");
addr = 0;
length = size * 1024 * 1024;
while (addr < length) {
- pdc20621_put_to_dimm(pe, (void *) &tmp, addr,
+ pdc20621_put_to_dimm(host, (void *) &tmp, addr,
sizeof(u32));
addr += sizeof(u32);
}
}
-static void pdc_20621_init(struct ata_probe_ent *pe)
+static void pdc_20621_init(struct ata_host *host)
{
u32 tmp;
- void __iomem *mmio = pe->mmio_base;
+ void __iomem *mmio = host->iomap[PDC_MMIO_BAR];
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
- struct ata_probe_ent *probe_ent;
- unsigned long base;
- void __iomem *mmio_base;
- void __iomem *dimm_mmio;
+ const struct ata_port_info *ppi[] =
+ { &pdc_port_info[ent->driver_data], NULL };
+ struct ata_host *host;
+ void __iomem *base;
struct pdc_host_priv *hpriv;
- unsigned int board_idx = (unsigned int) ent->driver_data;
int rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
+ /* allocate host */
+ host = ata_host_alloc_pinfo(&pdev->dev, ppi, 4);
+ hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL);
+ if (!host || !hpriv)
+ return -ENOMEM;
+
+ host->private_data = hpriv;
+
+ /* acquire resources and fill host */
rc = pcim_enable_device(pdev);
if (rc)
return rc;
- rc = pci_request_regions(pdev, DRV_NAME);
- if (rc) {
+ rc = pcim_iomap_regions(pdev, (1 << PDC_MMIO_BAR) | (1 << PDC_DIMM_BAR),
+ DRV_NAME);
+ if (rc == -EBUSY)
pcim_pin_device(pdev);
+ if (rc)
return rc;
- }
+ host->iomap = pcim_iomap_table(pdev);
+ base = host->iomap[PDC_MMIO_BAR] + PDC_CHIP0_OFS;
+ pdc_sata_setup_port(&host->ports[0]->ioaddr, base + 0x200);
+ pdc_sata_setup_port(&host->ports[1]->ioaddr, base + 0x280);
+ pdc_sata_setup_port(&host->ports[2]->ioaddr, base + 0x300);
+ pdc_sata_setup_port(&host->ports[3]->ioaddr, base + 0x380);
+
+ /* configure and activate */
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
return rc;
if (rc)
return rc;
- probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL);
- if (probe_ent == NULL)
- return -ENOMEM;
-
- probe_ent->dev = pci_dev_to_dev(pdev);
- INIT_LIST_HEAD(&probe_ent->node);
-
- mmio_base = pcim_iomap(pdev, 3, 0);
- if (mmio_base == NULL)
- return -ENOMEM;
- base = (unsigned long) mmio_base;
-
- hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL);
- if (!hpriv)
- return -ENOMEM;
-
- dimm_mmio = pcim_iomap(pdev, 4, 0);
- if (!dimm_mmio)
+ if (pdc20621_dimm_init(host))
return -ENOMEM;
-
- hpriv->dimm_mmio = dimm_mmio;
-
- probe_ent->sht = pdc_port_info[board_idx].sht;
- probe_ent->port_flags = pdc_port_info[board_idx].flags;
- probe_ent->pio_mask = pdc_port_info[board_idx].pio_mask;
- probe_ent->mwdma_mask = pdc_port_info[board_idx].mwdma_mask;
- probe_ent->udma_mask = pdc_port_info[board_idx].udma_mask;
- probe_ent->port_ops = pdc_port_info[board_idx].port_ops;
-
- probe_ent->irq = pdev->irq;
- probe_ent->irq_flags = IRQF_SHARED;
- probe_ent->mmio_base = mmio_base;
-
- probe_ent->private_data = hpriv;
- base += PDC_CHIP0_OFS;
-
- probe_ent->n_ports = 4;
- pdc_sata_setup_port(&probe_ent->port[0], base + 0x200);
- pdc_sata_setup_port(&probe_ent->port[1], base + 0x280);
- pdc_sata_setup_port(&probe_ent->port[2], base + 0x300);
- pdc_sata_setup_port(&probe_ent->port[3], base + 0x380);
+ pdc_20621_init(host);
pci_set_master(pdev);
-
- /* initialize adapter */
- /* initialize local dimm */
- if (pdc20621_dimm_init(probe_ent))
- return -ENOMEM;
- pdc_20621_init(probe_ent);
-
- if (!ata_device_add(probe_ent))
- return -ENODEV;
-
- devm_kfree(&pdev->dev, probe_ent);
- return 0;
+ return ata_host_activate(host, pdev->irq, pdc20621_interrupt,
+ IRQF_SHARED, &pdc_sata_sht);
}