2005-04-17 05:20:36 +07:00
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/*
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* sata_svw.c - ServerWorks / Apple K2 SATA
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*
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* Maintained by: Benjamin Herrenschmidt <benh@kernel.crashing.org> and
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* Jeff Garzik <jgarzik@pobox.com>
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* Please ALWAYS copy linux-ide@vger.kernel.org
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* on emails.
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*
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* Copyright 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org>
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*
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* Bits from Jeff Garzik, Copyright RedHat, Inc.
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*
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* This driver probably works with non-Apple versions of the
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* Broadcom chipset...
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*
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2005-08-29 07:18:39 +07:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* libata documentation is available via 'make {ps|pdf}docs',
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* as Documentation/DocBook/libata.*
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*
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* Hardware documentation available under NDA.
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2005-04-17 05:20:36 +07:00
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/blkdev.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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2005-10-31 02:39:11 +07:00
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#include <linux/device.h>
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2005-04-17 05:20:36 +07:00
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#include <scsi/scsi_host.h>
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2008-02-29 06:58:35 +07:00
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi.h>
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2005-04-17 05:20:36 +07:00
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#include <linux/libata.h>
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#ifdef CONFIG_PPC_OF
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#include <asm/prom.h>
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#include <asm/pci-bridge.h>
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#endif /* CONFIG_PPC_OF */
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#define DRV_NAME "sata_svw"
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2007-08-31 15:54:06 +07:00
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#define DRV_VERSION "2.3"
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2005-04-17 05:20:36 +07:00
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2006-03-22 10:14:17 +07:00
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enum {
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libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
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/* ap->flags bits */
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K2_FLAG_SATA_8_PORTS = (1 << 24),
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K2_FLAG_NO_ATAPI_DMA = (1 << 25),
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2008-02-29 06:58:35 +07:00
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K2_FLAG_BAR_POS_3 = (1 << 26),
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2006-12-15 05:04:33 +07:00
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2006-03-22 10:14:17 +07:00
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/* Taskfile registers offsets */
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K2_SATA_TF_CMD_OFFSET = 0x00,
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K2_SATA_TF_DATA_OFFSET = 0x00,
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K2_SATA_TF_ERROR_OFFSET = 0x04,
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K2_SATA_TF_NSECT_OFFSET = 0x08,
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K2_SATA_TF_LBAL_OFFSET = 0x0c,
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K2_SATA_TF_LBAM_OFFSET = 0x10,
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K2_SATA_TF_LBAH_OFFSET = 0x14,
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K2_SATA_TF_DEVICE_OFFSET = 0x18,
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K2_SATA_TF_CMDSTAT_OFFSET = 0x1c,
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K2_SATA_TF_CTL_OFFSET = 0x20,
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2005-04-17 05:20:36 +07:00
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2006-03-22 10:14:17 +07:00
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/* DMA base */
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K2_SATA_DMA_CMD_OFFSET = 0x30,
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2005-04-17 05:20:36 +07:00
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2006-03-22 10:14:17 +07:00
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/* SCRs base */
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K2_SATA_SCR_STATUS_OFFSET = 0x40,
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K2_SATA_SCR_ERROR_OFFSET = 0x44,
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K2_SATA_SCR_CONTROL_OFFSET = 0x48,
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2005-04-17 05:20:36 +07:00
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2006-03-22 10:14:17 +07:00
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/* Others */
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K2_SATA_SICR1_OFFSET = 0x80,
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K2_SATA_SICR2_OFFSET = 0x84,
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K2_SATA_SIM_OFFSET = 0x88,
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2005-04-17 05:20:36 +07:00
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2006-03-22 10:14:17 +07:00
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/* Port stride */
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K2_SATA_PORT_OFFSET = 0x100,
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2006-12-15 05:04:33 +07:00
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2008-02-29 06:58:35 +07:00
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chip_svw4 = 0,
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chip_svw8 = 1,
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chip_svw42 = 2, /* bar 3 */
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chip_svw43 = 3, /* bar 5 */
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2006-12-15 05:04:33 +07:00
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};
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2005-10-30 00:58:21 +07:00
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static u8 k2_stat_check_status(struct ata_port *ap);
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2005-04-17 05:20:36 +07:00
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2006-12-15 05:04:33 +07:00
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static int k2_sata_check_atapi_dma(struct ata_queued_cmd *qc)
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{
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2008-02-29 06:58:35 +07:00
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u8 cmnd = qc->scsicmd->cmnd[0];
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2006-12-15 05:04:33 +07:00
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if (qc->ap->flags & K2_FLAG_NO_ATAPI_DMA)
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return -1; /* ATAPI DMA not supported */
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2008-02-29 06:58:35 +07:00
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else {
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switch (cmnd) {
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case READ_10:
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case READ_12:
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case READ_16:
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case WRITE_10:
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case WRITE_12:
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case WRITE_16:
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return 0;
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default:
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return -1;
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}
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2006-12-15 05:04:33 +07:00
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2008-02-29 06:58:35 +07:00
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}
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2006-12-15 05:04:33 +07:00
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}
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2008-07-31 15:02:40 +07:00
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static int k2_sata_scr_read(struct ata_link *link,
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unsigned int sc_reg, u32 *val)
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2005-04-17 05:20:36 +07:00
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{
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if (sc_reg > SCR_CONTROL)
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2007-07-16 12:29:40 +07:00
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return -EINVAL;
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2008-07-31 15:02:40 +07:00
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*val = readl(link->ap->ioaddr.scr_addr + (sc_reg * 4));
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2007-07-16 12:29:40 +07:00
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return 0;
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2005-04-17 05:20:36 +07:00
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}
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2008-07-31 15:02:40 +07:00
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static int k2_sata_scr_write(struct ata_link *link,
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unsigned int sc_reg, u32 val)
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2005-04-17 05:20:36 +07:00
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{
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if (sc_reg > SCR_CONTROL)
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2007-07-16 12:29:40 +07:00
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return -EINVAL;
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2008-07-31 15:02:40 +07:00
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writel(val, link->ap->ioaddr.scr_addr + (sc_reg * 4));
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2007-07-16 12:29:40 +07:00
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return 0;
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2005-04-17 05:20:36 +07:00
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}
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2012-10-30 06:00:22 +07:00
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static int k2_sata_softreset(struct ata_link *link,
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unsigned int *class, unsigned long deadline)
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{
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u8 dmactl;
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void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
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dmactl = readb(mmio + ATA_DMA_CMD);
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/* Clear the start bit */
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if (dmactl & ATA_DMA_START) {
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dmactl &= ~ATA_DMA_START;
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writeb(dmactl, mmio + ATA_DMA_CMD);
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}
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return ata_sff_softreset(link, class, deadline);
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}
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static int k2_sata_hardreset(struct ata_link *link,
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unsigned int *class, unsigned long deadline)
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{
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u8 dmactl;
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void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
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dmactl = readb(mmio + ATA_DMA_CMD);
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/* Clear the start bit */
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if (dmactl & ATA_DMA_START) {
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dmactl &= ~ATA_DMA_START;
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writeb(dmactl, mmio + ATA_DMA_CMD);
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}
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return sata_sff_hardreset(link, class, deadline);
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}
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2005-04-17 05:20:36 +07:00
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2005-10-23 01:27:05 +07:00
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static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
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2005-04-17 05:20:36 +07:00
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{
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struct ata_ioports *ioaddr = &ap->ioaddr;
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unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
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if (tf->ctl != ap->last_ctl) {
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2007-02-01 13:06:36 +07:00
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writeb(tf->ctl, ioaddr->ctl_addr);
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2005-04-17 05:20:36 +07:00
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ap->last_ctl = tf->ctl;
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ata_wait_idle(ap);
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}
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if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
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2006-12-21 02:37:04 +07:00
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writew(tf->feature | (((u16)tf->hob_feature) << 8),
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2007-02-01 13:06:36 +07:00
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ioaddr->feature_addr);
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2006-12-21 02:37:04 +07:00
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writew(tf->nsect | (((u16)tf->hob_nsect) << 8),
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2007-02-01 13:06:36 +07:00
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ioaddr->nsect_addr);
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2006-12-21 02:37:04 +07:00
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writew(tf->lbal | (((u16)tf->hob_lbal) << 8),
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2007-02-01 13:06:36 +07:00
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ioaddr->lbal_addr);
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2006-12-21 02:37:04 +07:00
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writew(tf->lbam | (((u16)tf->hob_lbam) << 8),
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2007-02-01 13:06:36 +07:00
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ioaddr->lbam_addr);
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2006-12-21 02:37:04 +07:00
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writew(tf->lbah | (((u16)tf->hob_lbah) << 8),
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2007-02-01 13:06:36 +07:00
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ioaddr->lbah_addr);
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2005-04-17 05:20:36 +07:00
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} else if (is_addr) {
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2007-02-01 13:06:36 +07:00
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writew(tf->feature, ioaddr->feature_addr);
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writew(tf->nsect, ioaddr->nsect_addr);
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writew(tf->lbal, ioaddr->lbal_addr);
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writew(tf->lbam, ioaddr->lbam_addr);
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writew(tf->lbah, ioaddr->lbah_addr);
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2005-04-17 05:20:36 +07:00
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}
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if (tf->flags & ATA_TFLAG_DEVICE)
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2007-02-01 13:06:36 +07:00
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writeb(tf->device, ioaddr->device_addr);
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2005-04-17 05:20:36 +07:00
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ata_wait_idle(ap);
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}
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static void k2_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
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{
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struct ata_ioports *ioaddr = &ap->ioaddr;
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2005-10-30 00:58:21 +07:00
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u16 nsect, lbal, lbam, lbah, feature;
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2005-04-17 05:20:36 +07:00
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2005-10-30 00:58:21 +07:00
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tf->command = k2_stat_check_status(ap);
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2007-02-01 13:06:36 +07:00
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tf->device = readw(ioaddr->device_addr);
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feature = readw(ioaddr->error_addr);
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nsect = readw(ioaddr->nsect_addr);
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lbal = readw(ioaddr->lbal_addr);
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lbam = readw(ioaddr->lbam_addr);
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lbah = readw(ioaddr->lbah_addr);
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2005-10-30 00:58:21 +07:00
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tf->feature = feature;
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tf->nsect = nsect;
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tf->lbal = lbal;
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tf->lbam = lbam;
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tf->lbah = lbah;
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2005-04-17 05:20:36 +07:00
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if (tf->flags & ATA_TFLAG_LBA48) {
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2005-10-30 00:58:21 +07:00
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tf->hob_feature = feature >> 8;
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2005-04-17 05:20:36 +07:00
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tf->hob_nsect = nsect >> 8;
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tf->hob_lbal = lbal >> 8;
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tf->hob_lbam = lbam >> 8;
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tf->hob_lbah = lbah >> 8;
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2007-10-26 11:03:37 +07:00
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}
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2005-04-17 05:20:36 +07:00
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}
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/**
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* k2_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction (MMIO)
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* @qc: Info associated with this ATA transaction.
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*
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* LOCKING:
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2006-08-24 14:19:22 +07:00
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* spin_lock_irqsave(host lock)
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2005-04-17 05:20:36 +07:00
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*/
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2007-10-26 11:03:37 +07:00
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static void k2_bmdma_setup_mmio(struct ata_queued_cmd *qc)
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2005-04-17 05:20:36 +07:00
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{
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struct ata_port *ap = qc->ap;
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unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
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u8 dmactl;
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2007-05-28 18:07:20 +07:00
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void __iomem *mmio = ap->ioaddr.bmdma_addr;
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2005-04-17 05:20:36 +07:00
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/* load PRD table addr. */
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mb(); /* make sure PRD table writes are visible to controller */
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2010-05-11 02:41:41 +07:00
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writel(ap->bmdma_prd_dma, mmio + ATA_DMA_TABLE_OFS);
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2005-04-17 05:20:36 +07:00
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/* specify data direction, triple-check start bit is clear */
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dmactl = readb(mmio + ATA_DMA_CMD);
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dmactl &= ~(ATA_DMA_WR | ATA_DMA_START);
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if (!rw)
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dmactl |= ATA_DMA_WR;
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writeb(dmactl, mmio + ATA_DMA_CMD);
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/* issue r/w command if this is not a ATA DMA command*/
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if (qc->tf.protocol != ATA_PROT_DMA)
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2008-04-07 20:47:16 +07:00
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ap->ops->sff_exec_command(ap, &qc->tf);
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2005-04-17 05:20:36 +07:00
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}
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/**
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* k2_bmdma_start_mmio - Start a PCI IDE BMDMA transaction (MMIO)
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* @qc: Info associated with this ATA transaction.
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*
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* LOCKING:
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2006-08-24 14:19:22 +07:00
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* spin_lock_irqsave(host lock)
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2005-04-17 05:20:36 +07:00
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*/
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2007-10-26 11:03:37 +07:00
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|
|
static void k2_bmdma_start_mmio(struct ata_queued_cmd *qc)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
|
|
|
struct ata_port *ap = qc->ap;
|
2007-05-28 18:07:20 +07:00
|
|
|
void __iomem *mmio = ap->ioaddr.bmdma_addr;
|
2005-04-17 05:20:36 +07:00
|
|
|
u8 dmactl;
|
|
|
|
|
|
|
|
/* start host DMA transaction */
|
|
|
|
dmactl = readb(mmio + ATA_DMA_CMD);
|
|
|
|
writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD);
|
2008-06-23 16:01:31 +07:00
|
|
|
/* This works around possible data corruption.
|
|
|
|
|
|
|
|
On certain SATA controllers that can be seen when the r/w
|
|
|
|
command is given to the controller before the host DMA is
|
|
|
|
started.
|
|
|
|
|
|
|
|
On a Read command, the controller would initiate the
|
|
|
|
command to the drive even before it sees the DMA
|
|
|
|
start. When there are very fast drives connected to the
|
|
|
|
controller, or when the data request hits in the drive
|
|
|
|
cache, there is the possibility that the drive returns a
|
|
|
|
part or all of the requested data to the controller before
|
|
|
|
the DMA start is issued. In this case, the controller
|
|
|
|
would become confused as to what to do with the data. In
|
|
|
|
the worst case when all the data is returned back to the
|
|
|
|
controller, the controller could hang. In other cases it
|
|
|
|
could return partial data returning in data
|
|
|
|
corruption. This problem has been seen in PPC systems and
|
|
|
|
can also appear on an system with very fast disks, where
|
|
|
|
the SATA controller is sitting behind a number of bridges,
|
|
|
|
and hence there is significant latency between the r/w
|
|
|
|
command and the start command. */
|
|
|
|
/* issue r/w command if the access is to ATA */
|
2005-04-17 05:20:36 +07:00
|
|
|
if (qc->tf.protocol == ATA_PROT_DMA)
|
2008-04-07 20:47:16 +07:00
|
|
|
ap->ops->sff_exec_command(ap, &qc->tf);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
2005-08-01 00:13:24 +07:00
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
static u8 k2_stat_check_status(struct ata_port *ap)
|
|
|
|
{
|
2007-10-26 11:03:37 +07:00
|
|
|
return readl(ap->ioaddr.status_addr);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_PPC_OF
|
|
|
|
/*
|
|
|
|
* k2_sata_proc_info
|
|
|
|
* inout : decides on the direction of the dataflow and the meaning of the
|
|
|
|
* variables
|
|
|
|
* buffer: If inout==FALSE data is being written to it else read from it
|
|
|
|
* *start: If inout==FALSE start of the valid data in the buffer
|
|
|
|
* offset: If inout==FALSE offset from the beginning of the imaginary file
|
|
|
|
* from which we start writing into the buffer
|
|
|
|
* length: If inout==FALSE max number of bytes to be written into the buffer
|
|
|
|
* else number of bytes in the buffer
|
|
|
|
*/
|
|
|
|
static int k2_sata_proc_info(struct Scsi_Host *shost, char *page, char **start,
|
|
|
|
off_t offset, int count, int inout)
|
|
|
|
{
|
|
|
|
struct ata_port *ap;
|
|
|
|
struct device_node *np;
|
|
|
|
int len, index;
|
|
|
|
|
|
|
|
/* Find the ata_port */
|
2006-04-12 00:12:34 +07:00
|
|
|
ap = ata_shost_to_port(shost);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (ap == NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Find the OF node for the PCI device proper */
|
2006-08-24 14:19:22 +07:00
|
|
|
np = pci_device_to_OF_node(to_pci_dev(ap->host->dev));
|
2005-04-17 05:20:36 +07:00
|
|
|
if (np == NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Match it to a port node */
|
2006-08-24 14:19:22 +07:00
|
|
|
index = (ap == ap->host->ports[0]) ? 0 : 1;
|
2005-04-17 05:20:36 +07:00
|
|
|
for (np = np->child; np != NULL; np = np->sibling) {
|
2007-05-01 10:54:02 +07:00
|
|
|
const u32 *reg = of_get_property(np, "reg", NULL);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (!reg)
|
|
|
|
continue;
|
|
|
|
if (index == *reg)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (np == NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
len = sprintf(page, "devspec: %s\n", np->full_name);
|
|
|
|
|
|
|
|
return len;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_PPC_OF */
|
|
|
|
|
|
|
|
|
2005-11-07 12:59:37 +07:00
|
|
|
static struct scsi_host_template k2_sata_sht = {
|
2008-03-25 10:22:49 +07:00
|
|
|
ATA_BMDMA_SHT(DRV_NAME),
|
2005-04-17 05:20:36 +07:00
|
|
|
#ifdef CONFIG_PPC_OF
|
|
|
|
.proc_info = k2_sata_proc_info,
|
|
|
|
#endif
|
|
|
|
};
|
|
|
|
|
|
|
|
|
libata: implement and use ops inheritance
libata lets low level drivers build ata_port_operations table and
register it with libata core layer. This allows low level drivers
high level of flexibility but also burdens them with lots of
boilerplate entries.
This becomes worse for drivers which support related similar
controllers which differ slightly. They share most of the operations
except for a few. However, the driver still needs to list all
operations for each variant. This results in large number of
duplicate entries, which is not only inefficient but also error-prone
as it becomes very difficult to tell what the actual differences are.
This duplicate boilerplates all over the low level drivers also make
updating the core layer exteremely difficult and error-prone. When
compounded with multi-branched development model, it ends up
accumulating inconsistencies over time. Some of those inconsistencies
cause immediate problems and fixed. Others just remain there dormant
making maintenance increasingly difficult.
To rectify the problem, this patch implements ata_port_operations
inheritance. To allow LLDs to easily re-use their own ops tables
overriding only specific methods, this patch implements poor man's
class inheritance. An ops table has ->inherits field which can be set
to any ops table as long as it doesn't create a loop. When the host
is started, the inheritance chain is followed and any operation which
isn't specified is taken from the nearest ancestor which has it
specified. This operation is called finalization and done only once
per an ops table and the LLD doesn't have to do anything special about
it other than making the ops table non-const such that libata can
update it.
libata provides four base ops tables lower drivers can inherit from -
base, sata, pmp, sff and bmdma. To avoid overriding these ops
accidentaly, these ops are declared const and LLDs should always
inherit these instead of using them directly.
After finalization, all the ops table are identical before and after
the patch except for setting .irq_handler to ata_interrupt in drivers
which didn't use to. The .irq_handler doesn't have any actual effect
and the field will soon be removed by later patch.
* sata_sx4 is still using old style EH and currently doesn't take
advantage of ops inheritance.
Signed-off-by: Tejun Heo <htejun@gmail.com>
2008-03-25 10:22:49 +07:00
|
|
|
static struct ata_port_operations k2_sata_ops = {
|
|
|
|
.inherits = &ata_bmdma_port_ops,
|
2012-10-30 06:00:22 +07:00
|
|
|
.softreset = k2_sata_softreset,
|
|
|
|
.hardreset = k2_sata_hardreset,
|
2008-04-07 20:47:16 +07:00
|
|
|
.sff_tf_load = k2_sata_tf_load,
|
|
|
|
.sff_tf_read = k2_sata_tf_read,
|
|
|
|
.sff_check_status = k2_stat_check_status,
|
2006-12-15 05:04:33 +07:00
|
|
|
.check_atapi_dma = k2_sata_check_atapi_dma,
|
2005-04-17 05:20:36 +07:00
|
|
|
.bmdma_setup = k2_bmdma_setup_mmio,
|
|
|
|
.bmdma_start = k2_bmdma_start_mmio,
|
|
|
|
.scr_read = k2_sata_scr_read,
|
|
|
|
.scr_write = k2_sata_scr_write,
|
|
|
|
};
|
|
|
|
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
static const struct ata_port_info k2_port_info[] = {
|
2008-02-29 06:58:35 +07:00
|
|
|
/* chip_svw4 */
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
{
|
2011-02-05 02:05:48 +07:00
|
|
|
.flags = ATA_FLAG_SATA | K2_FLAG_NO_ATAPI_DMA,
|
2009-03-15 03:38:24 +07:00
|
|
|
.pio_mask = ATA_PIO4,
|
|
|
|
.mwdma_mask = ATA_MWDMA2,
|
2007-07-09 23:16:50 +07:00
|
|
|
.udma_mask = ATA_UDMA6,
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
.port_ops = &k2_sata_ops,
|
|
|
|
},
|
2008-02-29 06:58:35 +07:00
|
|
|
/* chip_svw8 */
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
{
|
2011-02-05 02:05:48 +07:00
|
|
|
.flags = ATA_FLAG_SATA | K2_FLAG_NO_ATAPI_DMA |
|
|
|
|
K2_FLAG_SATA_8_PORTS,
|
2009-03-15 03:38:24 +07:00
|
|
|
.pio_mask = ATA_PIO4,
|
|
|
|
.mwdma_mask = ATA_MWDMA2,
|
2007-07-09 23:16:50 +07:00
|
|
|
.udma_mask = ATA_UDMA6,
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
.port_ops = &k2_sata_ops,
|
|
|
|
},
|
2008-02-29 06:58:35 +07:00
|
|
|
/* chip_svw42 */
|
|
|
|
{
|
2011-02-05 02:05:48 +07:00
|
|
|
.flags = ATA_FLAG_SATA | K2_FLAG_BAR_POS_3,
|
2009-03-15 03:38:24 +07:00
|
|
|
.pio_mask = ATA_PIO4,
|
|
|
|
.mwdma_mask = ATA_MWDMA2,
|
2008-02-29 06:58:35 +07:00
|
|
|
.udma_mask = ATA_UDMA6,
|
|
|
|
.port_ops = &k2_sata_ops,
|
|
|
|
},
|
|
|
|
/* chip_svw43 */
|
|
|
|
{
|
2011-02-05 02:05:48 +07:00
|
|
|
.flags = ATA_FLAG_SATA,
|
2009-03-15 03:38:24 +07:00
|
|
|
.pio_mask = ATA_PIO4,
|
|
|
|
.mwdma_mask = ATA_MWDMA2,
|
2008-02-29 06:58:35 +07:00
|
|
|
.udma_mask = ATA_UDMA6,
|
|
|
|
.port_ops = &k2_sata_ops,
|
|
|
|
},
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
};
|
|
|
|
|
2007-02-01 13:06:36 +07:00
|
|
|
static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
|
|
|
port->cmd_addr = base + K2_SATA_TF_CMD_OFFSET;
|
|
|
|
port->data_addr = base + K2_SATA_TF_DATA_OFFSET;
|
|
|
|
port->feature_addr =
|
|
|
|
port->error_addr = base + K2_SATA_TF_ERROR_OFFSET;
|
|
|
|
port->nsect_addr = base + K2_SATA_TF_NSECT_OFFSET;
|
|
|
|
port->lbal_addr = base + K2_SATA_TF_LBAL_OFFSET;
|
|
|
|
port->lbam_addr = base + K2_SATA_TF_LBAM_OFFSET;
|
|
|
|
port->lbah_addr = base + K2_SATA_TF_LBAH_OFFSET;
|
|
|
|
port->device_addr = base + K2_SATA_TF_DEVICE_OFFSET;
|
|
|
|
port->command_addr =
|
|
|
|
port->status_addr = base + K2_SATA_TF_CMDSTAT_OFFSET;
|
|
|
|
port->altstatus_addr =
|
|
|
|
port->ctl_addr = base + K2_SATA_TF_CTL_OFFSET;
|
|
|
|
port->bmdma_addr = base + K2_SATA_DMA_CMD_OFFSET;
|
|
|
|
port->scr_addr = base + K2_SATA_SCR_STATUS_OFFSET;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2007-10-26 11:03:37 +07:00
|
|
|
static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
|
2005-04-17 05:20:36 +07:00
|
|
|
{
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
const struct ata_port_info *ppi[] =
|
|
|
|
{ &k2_port_info[ent->driver_data], NULL };
|
|
|
|
struct ata_host *host;
|
2005-08-30 16:18:18 +07:00
|
|
|
void __iomem *mmio_base;
|
2008-02-29 06:58:35 +07:00
|
|
|
int n_ports, i, rc, bar_pos;
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2011-04-16 05:52:00 +07:00
|
|
|
ata_print_version_once(&pdev->dev, DRV_VERSION);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
/* allocate host */
|
|
|
|
n_ports = 4;
|
|
|
|
if (ppi[0]->flags & K2_FLAG_SATA_8_PORTS)
|
|
|
|
n_ports = 8;
|
|
|
|
|
|
|
|
host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
|
|
|
|
if (!host)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2008-02-29 06:58:35 +07:00
|
|
|
bar_pos = 5;
|
|
|
|
if (ppi[0]->flags & K2_FLAG_BAR_POS_3)
|
|
|
|
bar_pos = 3;
|
2005-04-17 05:20:36 +07:00
|
|
|
/*
|
|
|
|
* If this driver happens to only be useful on Apple's K2, then
|
|
|
|
* we should check that here as it has a normal Serverworks ID
|
|
|
|
*/
|
2007-01-20 14:00:28 +07:00
|
|
|
rc = pcim_enable_device(pdev);
|
2005-04-17 05:20:36 +07:00
|
|
|
if (rc)
|
|
|
|
return rc;
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
/*
|
|
|
|
* Check if we have resources mapped at all (second function may
|
|
|
|
* have been disabled by firmware)
|
|
|
|
*/
|
2008-02-29 06:58:35 +07:00
|
|
|
if (pci_resource_len(pdev, bar_pos) == 0) {
|
|
|
|
/* In IDE mode we need to pin the device to ensure that
|
|
|
|
pcim_release does not clear the busmaster bit in config
|
|
|
|
space, clearing causes busmaster DMA to fail on
|
|
|
|
ports 3 & 4 */
|
|
|
|
pcim_pin_device(pdev);
|
2005-04-17 05:20:36 +07:00
|
|
|
return -ENODEV;
|
2008-02-29 06:58:35 +07:00
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2007-02-01 13:06:36 +07:00
|
|
|
/* Request and iomap PCI regions */
|
2008-02-29 06:58:35 +07:00
|
|
|
rc = pcim_iomap_regions(pdev, 1 << bar_pos, DRV_NAME);
|
2007-02-01 13:06:36 +07:00
|
|
|
if (rc == -EBUSY)
|
2007-01-20 14:00:28 +07:00
|
|
|
pcim_pin_device(pdev);
|
2007-02-01 13:06:36 +07:00
|
|
|
if (rc)
|
2007-01-20 14:00:28 +07:00
|
|
|
return rc;
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
host->iomap = pcim_iomap_table(pdev);
|
2008-02-29 06:58:35 +07:00
|
|
|
mmio_base = host->iomap[bar_pos];
|
libata: convert the remaining SATA drivers to new init model
Convert ahci, sata_sil, sata_sil24, sata_svw, sata_qstor, sata_mv,
sata_sx4, sata_vsc and sata_inic162x to new init model.
Now that host and ap are available during intialization, functions are
converted to take either host or ap instead of low level parameters
which were inevitable for functions shared between init and other
paths. This simplifies code quite a bit.
* init_one()'s now follow more consistent init order
* ahci_setup_port() and ahci_host_init() collapsed into
ahci_init_one() for init order consistency
* sata_vsc uses port_info instead of setting fields manually
* in sata_svw, k2_board_info converted to port_info (info is now in
port flags). port number is honored now.
Tested on ICH7/8 AHCI, jmb360, sil3112, 3114, 3124 and 3132.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-17 21:44:08 +07:00
|
|
|
|
|
|
|
/* different controllers have different number of ports - currently 4 or 8 */
|
|
|
|
/* All ports are on the same function. Multi-function device is no
|
|
|
|
* longer available. This should not be seen in any system. */
|
2007-08-18 11:14:55 +07:00
|
|
|
for (i = 0; i < host->n_ports; i++) {
|
|
|
|
struct ata_port *ap = host->ports[i];
|
|
|
|
unsigned int offset = i * K2_SATA_PORT_OFFSET;
|
|
|
|
|
|
|
|
k2_sata_setup_port(&ap->ioaddr, mmio_base + offset);
|
|
|
|
|
|
|
|
ata_port_pbar_desc(ap, 5, -1, "mmio");
|
|
|
|
ata_port_pbar_desc(ap, 5, offset, "port");
|
|
|
|
}
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
|
|
|
|
if (rc)
|
2007-01-20 14:00:28 +07:00
|
|
|
return rc;
|
2005-04-17 05:20:36 +07:00
|
|
|
rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
|
|
|
|
if (rc)
|
2007-01-20 14:00:28 +07:00
|
|
|
return rc;
|
2005-04-17 05:20:36 +07:00
|
|
|
|
2007-02-01 13:06:36 +07:00
|
|
|
/* Clear a magic bit in SCR1 according to Darwin, those help
|
|
|
|
* some funky seagate drives (though so far, those were already
|
|
|
|
* set by the firmware on the machines I had access to)
|
|
|
|
*/
|
|
|
|
writel(readl(mmio_base + K2_SATA_SICR1_OFFSET) & ~0x00040000,
|
|
|
|
mmio_base + K2_SATA_SICR1_OFFSET);
|
|
|
|
|
|
|
|
/* Clear SATA error & interrupts we don't use */
|
|
|
|
writel(0xffffffff, mmio_base + K2_SATA_SCR_ERROR_OFFSET);
|
|
|
|
writel(0x0, mmio_base + K2_SATA_SIM_OFFSET);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
pci_set_master(pdev);
|
2010-05-20 03:10:21 +07:00
|
|
|
return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
|
2008-04-07 20:47:16 +07:00
|
|
|
IRQF_SHARED, &k2_sata_sht);
|
2005-04-17 05:20:36 +07:00
|
|
|
}
|
|
|
|
|
2005-05-26 06:51:00 +07:00
|
|
|
/* 0x240 is device ID for Apple K2 device
|
|
|
|
* 0x241 is device ID for Serverworks Frodo4
|
|
|
|
* 0x242 is device ID for Serverworks Frodo8
|
|
|
|
* 0x24a is device ID for BCM5785 (aka HT1000) HT southbridge integrated SATA
|
|
|
|
* controller
|
|
|
|
* */
|
2005-11-10 23:04:11 +07:00
|
|
|
static const struct pci_device_id k2_sata_pci_tbl[] = {
|
2008-02-29 06:58:35 +07:00
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x0240), chip_svw4 },
|
2008-04-12 11:11:35 +07:00
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x0241), chip_svw8 },
|
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x0242), chip_svw4 },
|
2008-02-29 06:58:35 +07:00
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x024a), chip_svw4 },
|
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x024b), chip_svw4 },
|
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x0410), chip_svw42 },
|
|
|
|
{ PCI_VDEVICE(SERVERWORKS, 0x0411), chip_svw43 },
|
2006-09-29 07:21:59 +07:00
|
|
|
|
2005-04-17 05:20:36 +07:00
|
|
|
{ }
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct pci_driver k2_sata_pci_driver = {
|
|
|
|
.name = DRV_NAME,
|
|
|
|
.id_table = k2_sata_pci_tbl,
|
|
|
|
.probe = k2_sata_init_one,
|
|
|
|
.remove = ata_pci_remove_one,
|
|
|
|
};
|
|
|
|
|
2012-04-19 12:43:05 +07:00
|
|
|
module_pci_driver(k2_sata_pci_driver);
|
2005-04-17 05:20:36 +07:00
|
|
|
|
|
|
|
MODULE_AUTHOR("Benjamin Herrenschmidt");
|
|
|
|
MODULE_DESCRIPTION("low-level driver for K2 SATA controller");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
MODULE_DEVICE_TABLE(pci, k2_sata_pci_tbl);
|
|
|
|
MODULE_VERSION(DRV_VERSION);
|