2 * sata_promise.c - Promise SATA
4 * Maintained by: Jeff Garzik <jgarzik@pobox.com>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
8 * Copyright 2003-2004 Red Hat, Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
29 * Hardware information only available under NDA.
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/pci.h>
36 #include <linux/init.h>
37 #include <linux/blkdev.h>
38 #include <linux/delay.h>
39 #include <linux/interrupt.h>
40 #include <linux/sched.h>
41 #include <linux/device.h>
42 #include <scsi/scsi_host.h>
43 #include <scsi/scsi_cmnd.h>
44 #include <linux/libata.h>
46 #include "sata_promise.h"
48 #define DRV_NAME "sata_promise"
49 #define DRV_VERSION "1.05"
53 PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */
54 PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */
55 PDC_FLASH_CTL = 0x44, /* Flash control register */
56 PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */
57 PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */
58 PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */
59 PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */
60 PDC_TBG_MODE = 0x41C, /* TBG mode (not SATAII) */
61 PDC_SLEW_CTL = 0x470, /* slew rate control reg (not SATAII) */
63 PDC_ERR_MASK = (1<<19) | (1<<20) | (1<<21) | (1<<22) |
64 (1<<8) | (1<<9) | (1<<10),
66 board_2037x = 0, /* FastTrak S150 TX2plus */
67 board_20319 = 1, /* FastTrak S150 TX4 */
68 board_20619 = 2, /* FastTrak TX4000 */
69 board_20771 = 3, /* FastTrak TX2300 */
70 board_2057x = 4, /* SATAII150 Tx2plus */
71 board_40518 = 5, /* SATAII150 Tx4 */
73 PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */
75 PDC_RESET = (1 << 11), /* HDMA reset */
77 PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
78 ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI |
82 PDC_FLAG_GEN_II = (1 << 0),
86 struct pdc_port_priv {
91 struct pdc_host_priv {
96 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg);
97 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
98 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
99 static irqreturn_t pdc_interrupt (int irq, void *dev_instance);
100 static void pdc_eng_timeout(struct ata_port *ap);
101 static int pdc_port_start(struct ata_port *ap);
102 static void pdc_port_stop(struct ata_port *ap);
103 static void pdc_pata_phy_reset(struct ata_port *ap);
104 static void pdc_sata_phy_reset(struct ata_port *ap);
105 static void pdc_qc_prep(struct ata_queued_cmd *qc);
106 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
107 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
108 static void pdc_irq_clear(struct ata_port *ap);
109 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
110 static void pdc_host_stop(struct ata_host *host);
113 static struct scsi_host_template pdc_ata_sht = {
114 .module = THIS_MODULE,
116 .ioctl = ata_scsi_ioctl,
117 .queuecommand = ata_scsi_queuecmd,
118 .can_queue = ATA_DEF_QUEUE,
119 .this_id = ATA_SHT_THIS_ID,
120 .sg_tablesize = LIBATA_MAX_PRD,
121 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
122 .emulated = ATA_SHT_EMULATED,
123 .use_clustering = ATA_SHT_USE_CLUSTERING,
124 .proc_name = DRV_NAME,
125 .dma_boundary = ATA_DMA_BOUNDARY,
126 .slave_configure = ata_scsi_slave_config,
127 .slave_destroy = ata_scsi_slave_destroy,
128 .bios_param = ata_std_bios_param,
131 static const struct ata_port_operations pdc_sata_ops = {
132 .port_disable = ata_port_disable,
133 .tf_load = pdc_tf_load_mmio,
134 .tf_read = ata_tf_read,
135 .check_status = ata_check_status,
136 .exec_command = pdc_exec_command_mmio,
137 .dev_select = ata_std_dev_select,
139 .phy_reset = pdc_sata_phy_reset,
141 .qc_prep = pdc_qc_prep,
142 .qc_issue = pdc_qc_issue_prot,
143 .eng_timeout = pdc_eng_timeout,
144 .data_xfer = ata_mmio_data_xfer,
145 .irq_handler = pdc_interrupt,
146 .irq_clear = pdc_irq_clear,
148 .scr_read = pdc_sata_scr_read,
149 .scr_write = pdc_sata_scr_write,
150 .port_start = pdc_port_start,
151 .port_stop = pdc_port_stop,
152 .host_stop = pdc_host_stop,
155 static const struct ata_port_operations pdc_pata_ops = {
156 .port_disable = ata_port_disable,
157 .tf_load = pdc_tf_load_mmio,
158 .tf_read = ata_tf_read,
159 .check_status = ata_check_status,
160 .exec_command = pdc_exec_command_mmio,
161 .dev_select = ata_std_dev_select,
163 .phy_reset = pdc_pata_phy_reset,
165 .qc_prep = pdc_qc_prep,
166 .qc_issue = pdc_qc_issue_prot,
167 .data_xfer = ata_mmio_data_xfer,
168 .eng_timeout = pdc_eng_timeout,
169 .irq_handler = pdc_interrupt,
170 .irq_clear = pdc_irq_clear,
172 .port_start = pdc_port_start,
173 .port_stop = pdc_port_stop,
174 .host_stop = pdc_host_stop,
177 static const struct ata_port_info pdc_port_info[] = {
181 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
182 .pio_mask = 0x1f, /* pio0-4 */
183 .mwdma_mask = 0x07, /* mwdma0-2 */
184 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
185 .port_ops = &pdc_sata_ops,
191 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
192 .pio_mask = 0x1f, /* pio0-4 */
193 .mwdma_mask = 0x07, /* mwdma0-2 */
194 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
195 .port_ops = &pdc_sata_ops,
201 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
202 .pio_mask = 0x1f, /* pio0-4 */
203 .mwdma_mask = 0x07, /* mwdma0-2 */
204 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
205 .port_ops = &pdc_pata_ops,
211 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
212 .pio_mask = 0x1f, /* pio0-4 */
213 .mwdma_mask = 0x07, /* mwdma0-2 */
214 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
215 .port_ops = &pdc_sata_ops,
221 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
222 .pio_mask = 0x1f, /* pio0-4 */
223 .mwdma_mask = 0x07, /* mwdma0-2 */
224 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
225 .port_ops = &pdc_sata_ops,
231 .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
232 .pio_mask = 0x1f, /* pio0-4 */
233 .mwdma_mask = 0x07, /* mwdma0-2 */
234 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
235 .port_ops = &pdc_sata_ops,
239 static const struct pci_device_id pdc_ata_pci_tbl[] = {
240 { PCI_VDEVICE(PROMISE, 0x3371), board_2037x },
241 { PCI_VDEVICE(PROMISE, 0x3373), board_2037x },
242 { PCI_VDEVICE(PROMISE, 0x3375), board_2037x },
243 { PCI_VDEVICE(PROMISE, 0x3376), board_2037x },
244 { PCI_VDEVICE(PROMISE, 0x3570), board_2057x },
245 { PCI_VDEVICE(PROMISE, 0x3571), board_2057x },
246 { PCI_VDEVICE(PROMISE, 0x3574), board_2057x },
247 { PCI_VDEVICE(PROMISE, 0x3d73), board_2057x },
248 { PCI_VDEVICE(PROMISE, 0x3d75), board_2057x },
250 { PCI_VDEVICE(PROMISE, 0x3318), board_20319 },
251 { PCI_VDEVICE(PROMISE, 0x3319), board_20319 },
252 { PCI_VDEVICE(PROMISE, 0x3515), board_20319 },
253 { PCI_VDEVICE(PROMISE, 0x3519), board_20319 },
254 { PCI_VDEVICE(PROMISE, 0x3d17), board_40518 },
255 { PCI_VDEVICE(PROMISE, 0x3d18), board_40518 },
257 { PCI_VDEVICE(PROMISE, 0x6629), board_20619 },
259 /* TODO: remove all associated board_20771 code, as it completely
260 * duplicates board_2037x code, unless reason for separation can be
264 { PCI_VDEVICE(PROMISE, 0x3570), board_20771 },
266 { PCI_VDEVICE(PROMISE, 0x3577), board_20771 },
268 { } /* terminate list */
272 static struct pci_driver pdc_ata_pci_driver = {
274 .id_table = pdc_ata_pci_tbl,
275 .probe = pdc_ata_init_one,
276 .remove = ata_pci_remove_one,
280 static int pdc_port_start(struct ata_port *ap)
282 struct device *dev = ap->host->dev;
283 struct pdc_host_priv *hp = ap->host->private_data;
284 struct pdc_port_priv *pp;
287 rc = ata_port_start(ap);
291 pp = kzalloc(sizeof(*pp), GFP_KERNEL);
297 pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL);
303 ap->private_data = pp;
305 /* fix up PHYMODE4 align timing */
306 if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) {
307 void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr;
310 tmp = readl(mmio + 0x014);
311 tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */
312 writel(tmp, mmio + 0x014);
325 static void pdc_port_stop(struct ata_port *ap)
327 struct device *dev = ap->host->dev;
328 struct pdc_port_priv *pp = ap->private_data;
330 ap->private_data = NULL;
331 dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma);
337 static void pdc_host_stop(struct ata_host *host)
339 struct pdc_host_priv *hp = host->private_data;
341 ata_pci_host_stop(host);
347 static void pdc_reset_port(struct ata_port *ap)
349 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
353 for (i = 11; i > 0; i--) {
366 readl(mmio); /* flush */
369 static void pdc_sata_phy_reset(struct ata_port *ap)
375 static void pdc_pata_cbl_detect(struct ata_port *ap)
378 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
383 ap->cbl = ATA_CBL_PATA40;
384 ap->udma_mask &= ATA_UDMA_MASK_40C;
386 ap->cbl = ATA_CBL_PATA80;
389 static void pdc_pata_phy_reset(struct ata_port *ap)
391 pdc_pata_cbl_detect(ap);
397 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
399 if (sc_reg > SCR_CONTROL)
401 return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
405 static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg,
408 if (sc_reg > SCR_CONTROL)
410 writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
413 static void pdc_qc_prep(struct ata_queued_cmd *qc)
415 struct pdc_port_priv *pp = qc->ap->private_data;
420 switch (qc->tf.protocol) {
425 case ATA_PROT_NODATA:
426 i = pdc_pkt_header(&qc->tf, qc->ap->prd_dma,
427 qc->dev->devno, pp->pkt);
429 if (qc->tf.flags & ATA_TFLAG_LBA48)
430 i = pdc_prep_lba48(&qc->tf, pp->pkt, i);
432 i = pdc_prep_lba28(&qc->tf, pp->pkt, i);
434 pdc_pkt_footer(&qc->tf, pp->pkt, i);
442 static void pdc_eng_timeout(struct ata_port *ap)
444 struct ata_host *host = ap->host;
446 struct ata_queued_cmd *qc;
451 spin_lock_irqsave(&host->lock, flags);
453 qc = ata_qc_from_tag(ap, ap->active_tag);
455 switch (qc->tf.protocol) {
457 case ATA_PROT_NODATA:
458 ata_port_printk(ap, KERN_ERR, "command timeout\n");
459 drv_stat = ata_wait_idle(ap);
460 qc->err_mask |= __ac_err_mask(drv_stat);
464 drv_stat = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
466 ata_port_printk(ap, KERN_ERR,
467 "unknown timeout, cmd 0x%x stat 0x%x\n",
468 qc->tf.command, drv_stat);
470 qc->err_mask |= ac_err_mask(drv_stat);
474 spin_unlock_irqrestore(&host->lock, flags);
475 ata_eh_qc_complete(qc);
479 static inline unsigned int pdc_host_intr( struct ata_port *ap,
480 struct ata_queued_cmd *qc)
482 unsigned int handled = 0;
484 void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
487 if (tmp & PDC_ERR_MASK) {
488 qc->err_mask |= AC_ERR_DEV;
492 switch (qc->tf.protocol) {
494 case ATA_PROT_NODATA:
495 qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
501 ap->stats.idle_irq++;
508 static void pdc_irq_clear(struct ata_port *ap)
510 struct ata_host *host = ap->host;
511 void __iomem *mmio = host->mmio_base;
513 readl(mmio + PDC_INT_SEQMASK);
516 static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
518 struct ata_host *host = dev_instance;
522 unsigned int handled = 0;
523 void __iomem *mmio_base;
527 if (!host || !host->mmio_base) {
528 VPRINTK("QUICK EXIT\n");
532 mmio_base = host->mmio_base;
534 /* reading should also clear interrupts */
535 mask = readl(mmio_base + PDC_INT_SEQMASK);
537 if (mask == 0xffffffff) {
538 VPRINTK("QUICK EXIT 2\n");
542 spin_lock(&host->lock);
544 mask &= 0xffff; /* only 16 tags possible */
546 VPRINTK("QUICK EXIT 3\n");
550 writel(mask, mmio_base + PDC_INT_SEQMASK);
552 for (i = 0; i < host->n_ports; i++) {
553 VPRINTK("port %u\n", i);
555 tmp = mask & (1 << (i + 1));
557 !(ap->flags & ATA_FLAG_DISABLED)) {
558 struct ata_queued_cmd *qc;
560 qc = ata_qc_from_tag(ap, ap->active_tag);
561 if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
562 handled += pdc_host_intr(ap, qc);
569 spin_unlock(&host->lock);
570 return IRQ_RETVAL(handled);
573 static inline void pdc_packet_start(struct ata_queued_cmd *qc)
575 struct ata_port *ap = qc->ap;
576 struct pdc_port_priv *pp = ap->private_data;
577 unsigned int port_no = ap->port_no;
578 u8 seq = (u8) (port_no + 1);
580 VPRINTK("ENTER, ap %p\n", ap);
582 writel(0x00000001, ap->host->mmio_base + (seq * 4));
583 readl(ap->host->mmio_base + (seq * 4)); /* flush */
586 wmb(); /* flush PRD, pkt writes */
587 writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
588 readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
591 static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
593 switch (qc->tf.protocol) {
595 case ATA_PROT_NODATA:
596 pdc_packet_start(qc);
599 case ATA_PROT_ATAPI_DMA:
607 return ata_qc_issue_prot(qc);
610 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
612 WARN_ON (tf->protocol == ATA_PROT_DMA ||
613 tf->protocol == ATA_PROT_NODATA);
618 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
620 WARN_ON (tf->protocol == ATA_PROT_DMA ||
621 tf->protocol == ATA_PROT_NODATA);
622 ata_exec_command(ap, tf);
626 static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base)
628 port->cmd_addr = base;
629 port->data_addr = base;
631 port->error_addr = base + 0x4;
632 port->nsect_addr = base + 0x8;
633 port->lbal_addr = base + 0xc;
634 port->lbam_addr = base + 0x10;
635 port->lbah_addr = base + 0x14;
636 port->device_addr = base + 0x18;
638 port->status_addr = base + 0x1c;
639 port->altstatus_addr =
640 port->ctl_addr = base + 0x38;
644 static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
646 void __iomem *mmio = pe->mmio_base;
647 struct pdc_host_priv *hp = pe->private_data;
648 int hotplug_offset = hp->hotplug_offset;
652 * Except for the hotplug stuff, this is voodoo from the
653 * Promise driver. Label this entire section
654 * "TODO: figure out why we do this"
657 /* enable BMR_BURST, maybe change FIFO_SHD to 8 dwords */
658 tmp = readl(mmio + PDC_FLASH_CTL);
659 tmp |= 0x02000; /* bit 13 (enable bmr burst) */
660 if (!(hp->flags & PDC_FLAG_GEN_II))
661 tmp |= 0x10000; /* bit 16 (fifo threshold at 8 dw) */
662 writel(tmp, mmio + PDC_FLASH_CTL);
664 /* clear plug/unplug flags for all ports */
665 tmp = readl(mmio + hotplug_offset);
666 writel(tmp | 0xff, mmio + hotplug_offset);
668 /* mask plug/unplug ints */
669 tmp = readl(mmio + hotplug_offset);
670 writel(tmp | 0xff0000, mmio + hotplug_offset);
672 /* don't initialise TBG or SLEW on 2nd generation chips */
673 if (hp->flags & PDC_FLAG_GEN_II)
676 /* reduce TBG clock to 133 Mhz. */
677 tmp = readl(mmio + PDC_TBG_MODE);
678 tmp &= ~0x30000; /* clear bit 17, 16*/
679 tmp |= 0x10000; /* set bit 17:16 = 0:1 */
680 writel(tmp, mmio + PDC_TBG_MODE);
682 readl(mmio + PDC_TBG_MODE); /* flush */
685 /* adjust slew rate control register. */
686 tmp = readl(mmio + PDC_SLEW_CTL);
687 tmp &= 0xFFFFF03F; /* clear bit 11 ~ 6 */
688 tmp |= 0x00000900; /* set bit 11-9 = 100b , bit 8-6 = 100 */
689 writel(tmp, mmio + PDC_SLEW_CTL);
692 static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
694 static int printed_version;
695 struct ata_probe_ent *probe_ent = NULL;
696 struct pdc_host_priv *hp;
698 void __iomem *mmio_base;
699 unsigned int board_idx = (unsigned int) ent->driver_data;
700 int pci_dev_busy = 0;
703 if (!printed_version++)
704 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
706 rc = pci_enable_device(pdev);
710 rc = pci_request_regions(pdev, DRV_NAME);
716 rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
718 goto err_out_regions;
719 rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
721 goto err_out_regions;
723 probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
724 if (probe_ent == NULL) {
726 goto err_out_regions;
729 probe_ent->dev = pci_dev_to_dev(pdev);
730 INIT_LIST_HEAD(&probe_ent->node);
732 mmio_base = pci_iomap(pdev, 3, 0);
733 if (mmio_base == NULL) {
735 goto err_out_free_ent;
737 base = (unsigned long) mmio_base;
739 hp = kzalloc(sizeof(*hp), GFP_KERNEL);
742 goto err_out_free_ent;
745 /* Set default hotplug offset */
746 hp->hotplug_offset = PDC_SATA_PLUG_CSR;
747 probe_ent->private_data = hp;
749 probe_ent->sht = pdc_port_info[board_idx].sht;
750 probe_ent->port_flags = pdc_port_info[board_idx].flags;
751 probe_ent->pio_mask = pdc_port_info[board_idx].pio_mask;
752 probe_ent->mwdma_mask = pdc_port_info[board_idx].mwdma_mask;
753 probe_ent->udma_mask = pdc_port_info[board_idx].udma_mask;
754 probe_ent->port_ops = pdc_port_info[board_idx].port_ops;
756 probe_ent->irq = pdev->irq;
757 probe_ent->irq_flags = IRQF_SHARED;
758 probe_ent->mmio_base = mmio_base;
760 pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
761 pdc_ata_setup_port(&probe_ent->port[1], base + 0x280);
763 probe_ent->port[0].scr_addr = base + 0x400;
764 probe_ent->port[1].scr_addr = base + 0x500;
766 /* notice 4-port boards */
769 hp->flags |= PDC_FLAG_GEN_II;
770 /* Override hotplug offset for SATAII150 */
771 hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
774 probe_ent->n_ports = 4;
776 pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
777 pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
779 probe_ent->port[2].scr_addr = base + 0x600;
780 probe_ent->port[3].scr_addr = base + 0x700;
784 hp->flags |= PDC_FLAG_GEN_II;
785 /* Override hotplug offset for SATAII150 */
786 hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
789 probe_ent->n_ports = 2;
792 probe_ent->n_ports = 4;
794 pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
795 pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
797 probe_ent->port[2].scr_addr = base + 0x600;
798 probe_ent->port[3].scr_addr = base + 0x700;
805 pci_set_master(pdev);
807 /* initialize adapter */
808 pdc_host_init(board_idx, probe_ent);
810 /* FIXME: Need any other frees than hp? */
811 if (!ata_device_add(probe_ent))
821 pci_release_regions(pdev);
824 pci_disable_device(pdev);
829 static int __init pdc_ata_init(void)
831 return pci_register_driver(&pdc_ata_pci_driver);
835 static void __exit pdc_ata_exit(void)
837 pci_unregister_driver(&pdc_ata_pci_driver);
841 MODULE_AUTHOR("Jeff Garzik");
842 MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
843 MODULE_LICENSE("GPL");
844 MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl);
845 MODULE_VERSION(DRV_VERSION);
847 module_init(pdc_ata_init);
848 module_exit(pdc_ata_exit);