sata_sil.c revision 48d4ef2a1df9867c67b515d66732ba028a73735d
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sata_sil.c - Silicon Image SATA 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Maintained by: Jeff Garzik <jgarzik@pobox.com> 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Please ALWAYS copy linux-ide@vger.kernel.org 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * on emails. 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * Copyright 2003-2005 Red Hat, Inc. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 2003 Benjamin Herrenschmidt 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 11af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * 12af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * This program is free software; you can redistribute it and/or modify 13af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * it under the terms of the GNU General Public License as published by 14af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * the Free Software Foundation; either version 2, or (at your option) 15af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * any later version. 16af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * 17af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * This program is distributed in the hope that it will be useful, 18af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * but WITHOUT ANY WARRANTY; without even the implied warranty of 19af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * GNU General Public License for more details. 21af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * 22af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * You should have received a copy of the GNU General Public License 23af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * along with this program; see the file COPYING. If not, write to 24af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 25af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * 26af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * 27af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * libata documentation is available via 'make {ps|pdf}docs', 28af36d7f0df56de3e3e4bbfb15d0915097ecb8cabJeff Garzik * as Documentation/DocBook/libata.* 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 30953d1137fc4aba16deace262e93974913596dcfeJeff Garzik * Documentation for SiI 3112: 31953d1137fc4aba16deace262e93974913596dcfeJeff Garzik * http://gkernel.sourceforge.net/specs/sii/3112A_SiI-DS-0095-B2.pdf.bz2 32953d1137fc4aba16deace262e93974913596dcfeJeff Garzik * 33953d1137fc4aba16deace262e93974913596dcfeJeff Garzik * Other errata and documentation available under NDA. 34953d1137fc4aba16deace262e93974913596dcfeJeff Garzik * 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/blkdev.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 44a9524a76f70f3343e4be27f95a7e92a8ba5f9009Jeff Garzik#include <linux/device.h> 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <scsi/scsi_host.h> 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/libata.h> 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRV_NAME "sata_sil" 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRV_VERSION "0.9" 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum { 52e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29), 53e4deec6304cbd5fd08bf573eccc68787945071c2Tejun Heo SIL_FLAG_MOD15WRITE = (1 << 30), 54e4deec6304cbd5fd08bf573eccc68787945071c2Tejun Heo 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sil_3112 = 0, 5681c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo sil_3512 = 1, 5781c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo sil_3114 = 2, 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_SYSCFG = 0x48, 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_IDE0_INT = (1 << 22), 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_IDE1_INT = (1 << 23), 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_IDE2_INT = (1 << 24), 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_IDE3_INT = (1 << 25), 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_2PORT = SIL_MASK_IDE0_INT | SIL_MASK_IDE1_INT, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_4PORT = SIL_MASK_2PORT | 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_MASK_IDE2_INT | SIL_MASK_IDE3_INT, 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_INTR_STEERING = (1 << 1), 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_QUIRK_MOD15WRITE = (1 << 0), 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIL_QUIRK_UDMA5MAX = (1 << 1), 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sil_dev_config(struct ata_port *ap, struct ata_device *dev); 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg); 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sil_post_set_mode (struct ata_port *ap); 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 79374b1873571bf80dc0c1fcceaaad067980f3b9deJeff Garzik 803b7d697dfb7d03edb87e50b743a7ecff029618e9Jeff Garzikstatic const struct pci_device_id sil_pci_tbl[] = { 8181c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo { 0x1095, 0x3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 }, 8281c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo { 0x1095, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 }, 830ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo { 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3512 }, 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x1095, 0x3114, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3114 }, 8581c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo { 0x1002, 0x436e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 }, 8681c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo { 0x1002, 0x4379, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 }, 8781c2af3561db54a4d3b439c84c58d8c2a469ec9bTejun Heo { 0x1002, 0x437a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 }, 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } /* terminate list */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* TODO firmware versions should be added - eric */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const struct sil_drivelist { 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char * product; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int quirk; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} sil_blacklist [] = { 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST320012AS", SIL_QUIRK_MOD15WRITE }, 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST330013AS", SIL_QUIRK_MOD15WRITE }, 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST340017AS", SIL_QUIRK_MOD15WRITE }, 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST360015AS", SIL_QUIRK_MOD15WRITE }, 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST380013AS", SIL_QUIRK_MOD15WRITE }, 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST380023AS", SIL_QUIRK_MOD15WRITE }, 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST3120023AS", SIL_QUIRK_MOD15WRITE }, 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST3160023AS", SIL_QUIRK_MOD15WRITE }, 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST3120026AS", SIL_QUIRK_MOD15WRITE }, 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST3200822AS", SIL_QUIRK_MOD15WRITE }, 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST340014ASL", SIL_QUIRK_MOD15WRITE }, 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST360014ASL", SIL_QUIRK_MOD15WRITE }, 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST380011ASL", SIL_QUIRK_MOD15WRITE }, 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST3120022ASL", SIL_QUIRK_MOD15WRITE }, 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "ST3160021ASL", SIL_QUIRK_MOD15WRITE }, 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Maxtor 4D060H3", SIL_QUIRK_UDMA5MAX }, 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { } 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_driver sil_pci_driver = { 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = DRV_NAME, 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = sil_pci_tbl, 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = sil_init_one, 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .remove = ata_pci_remove_one, 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 123193515d51ccb363165d6b09e9ba5c21089e34badJeff Garzikstatic struct scsi_host_template sil_sht = { 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .module = THIS_MODULE, 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = DRV_NAME, 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ioctl = ata_scsi_ioctl, 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .queuecommand = ata_scsi_queuecmd, 12835daeb8f9b41fd13180e8a6f8bec9fc5268938f9Tejun Heo .eh_timed_out = ata_scsi_timed_out, 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .eh_strategy_handler = ata_scsi_error, 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .can_queue = ATA_DEF_QUEUE, 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .this_id = ATA_SHT_THIS_ID, 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sg_tablesize = LIBATA_MAX_PRD, 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .cmd_per_lun = ATA_SHT_CMD_PER_LUN, 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .emulated = ATA_SHT_EMULATED, 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .use_clustering = ATA_SHT_USE_CLUSTERING, 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .proc_name = DRV_NAME, 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dma_boundary = ATA_DMA_BOUNDARY, 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .slave_configure = ata_scsi_slave_config, 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bios_param = ata_std_bios_param, 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 142057ace5e79da9ebf2aa82833cfea825533ac06fbJeff Garzikstatic const struct ata_port_operations sil_ops = { 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .port_disable = ata_port_disable, 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dev_config = sil_dev_config, 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .tf_load = ata_tf_load, 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .tf_read = ata_tf_read, 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .check_status = ata_check_status, 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .exec_command = ata_exec_command, 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dev_select = ata_std_dev_select, 150531db7aa0db09f188b71108c35f334af35968291Tejun Heo .probe_reset = ata_std_probe_reset, 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .post_set_mode = sil_post_set_mode, 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bmdma_setup = ata_bmdma_setup, 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bmdma_start = ata_bmdma_start, 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bmdma_stop = ata_bmdma_stop, 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bmdma_status = ata_bmdma_status, 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .qc_prep = ata_qc_prep, 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .qc_issue = ata_qc_issue_prot, 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .eng_timeout = ata_eng_timeout, 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq_handler = ata_interrupt, 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq_clear = ata_bmdma_irq_clear, 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .scr_read = sil_scr_read, 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .scr_write = sil_scr_write, 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .port_start = ata_port_start, 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .port_stop = ata_port_stop, 165374b1873571bf80dc0c1fcceaaad067980f3b9deJeff Garzik .host_stop = ata_pci_host_stop, 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16898ac62defe529d04a192688f40d801a2d8fbcf98Arjan van de Venstatic const struct ata_port_info sil_port_info[] = { 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sil_3112 */ 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sht = &sil_sht, 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 173531db7aa0db09f188b71108c35f334af35968291Tejun Heo ATA_FLAG_MMIO | SIL_FLAG_MOD15WRITE, 174e4deec6304cbd5fd08bf573eccc68787945071c2Tejun Heo .pio_mask = 0x1f, /* pio0-4 */ 175e4deec6304cbd5fd08bf573eccc68787945071c2Tejun Heo .mwdma_mask = 0x07, /* mwdma0-2 */ 176e4deec6304cbd5fd08bf573eccc68787945071c2Tejun Heo .udma_mask = 0x3f, /* udma0-5 */ 177e4deec6304cbd5fd08bf573eccc68787945071c2Tejun Heo .port_ops = &sil_ops, 1780ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo }, 1790ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo /* sil_3512 */ 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sht = &sil_sht, 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 183348edc59a8f9b9a66700781d972c24a46a79ae86Tejun Heo ATA_FLAG_MMIO | 184e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo SIL_FLAG_RERR_ON_DMA_ACT, 1850ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo .pio_mask = 0x1f, /* pio0-4 */ 1860ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo .mwdma_mask = 0x07, /* mwdma0-2 */ 1870ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo .udma_mask = 0x3f, /* udma0-5 */ 1880ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo .port_ops = &sil_ops, 1890ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo }, 1900ee304d5802dc62746f13f12d4cb4ec4ed285f66Tejun Heo /* sil_3114 */ 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sht = &sil_sht, 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | 194cccc65a3b60edaf721cdee5a14f68ba009341822Jeff Garzik ATA_FLAG_MMIO | 195e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo SIL_FLAG_RERR_ON_DMA_ACT, 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .pio_mask = 0x1f, /* pio0-4 */ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .mwdma_mask = 0x07, /* mwdma0-2 */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .udma_mask = 0x3f, /* udma0-5 */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .port_ops = &sil_ops, 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }, 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* per-port register offsets */ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* TODO: we can probably calculate rather than use a table */ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const struct { 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long tf; /* ATA taskfile register block */ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long ctl; /* ATA control/altstatus register block */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long bmdma; /* DMA register block */ 20948d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo unsigned long fifo_cfg; /* FIFO Valid Byte Count and Control */ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long scr; /* SATA control register block */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long sien; /* SATA Interrupt Enable register */ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long xfer_mode;/* data transfer mode register */ 213e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo unsigned long sfis_cfg; /* SATA FIS reception config register */ 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} sil_port[] = { 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* port 0 ... */ 21648d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo { 0x80, 0x8A, 0x00, 0x40, 0x100, 0x148, 0xb4, 0x14c }, 21748d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo { 0xC0, 0xCA, 0x08, 0x44, 0x180, 0x1c8, 0xf4, 0x1cc }, 21848d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo { 0x280, 0x28A, 0x200, 0x240, 0x300, 0x348, 0x2b4, 0x34c }, 21948d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo { 0x2C0, 0x2CA, 0x208, 0x244, 0x380, 0x3c8, 0x2f4, 0x3cc }, 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* ... port 3 */ 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Jeff Garzik"); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("low-level driver for Silicon Image SATA controller"); 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE(pci, sil_pci_tbl); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_VERSION(DRV_VERSION); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22951e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzikstatic int slow_down = 0; 23051e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzikmodule_param(slow_down, int, 0444); 23151e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff GarzikMODULE_PARM_DESC(slow_down, "Sledgehammer used to work around random problems, by limiting commands to 15 sectors (0=off, 1=on)"); 23251e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzik 233374b1873571bf80dc0c1fcceaaad067980f3b9deJeff Garzik 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned char sil_get_device_cache_line(struct pci_dev *pdev) 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cache_line = 0; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &cache_line); 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return cache_line; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sil_post_set_mode (struct ata_port *ap) 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ata_host_set *host_set = ap->host_set; 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ata_device *dev; 245ea6ba10bbb88e106f9e2db7dc253993bb3bbbe3bJeff Garzik void __iomem *addr = 246ea6ba10bbb88e106f9e2db7dc253993bb3bbbe3bJeff Garzik host_set->mmio_base + sil_port[ap->port_no].xfer_mode; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp, dev_mode[2]; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int i; 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev = &ap->device[i]; 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ata_dev_present(dev)) 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_mode[i] = 0; /* PIO0/1/2 */ 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dev->flags & ATA_DFLAG_PIO) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_mode[i] = 1; /* PIO3/4 */ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_mode[i] = 3; /* UDMA */ 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* value 2 indicates MDMA */ 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = readl(addr); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~((1<<5) | (1<<4) | (1<<1) | (1<<0)); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= dev_mode[0]; 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= (dev_mode[1] << 4); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(tmp, addr); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readl(addr); /* flush */ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline unsigned long sil_scr_addr(struct ata_port *ap, unsigned int sc_reg) 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long offset = ap->ioaddr.scr_addr; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (sc_reg) { 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SCR_STATUS: 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return offset + 4; 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SCR_ERROR: 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return offset + 8; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SCR_CONTROL: 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return offset; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* do nothing */ 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg) 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2909aa36e89b5677a98d951cf7bef6d99a0f93ea633Al Viro void __iomem *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mmio) 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return readl(mmio); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0xffffffffU; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2989aa36e89b5677a98d951cf7bef6d99a0f93ea633Al Viro void *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg); 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mmio) 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(val, mmio); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sil_dev_config - Apply device/host-specific errata fixups 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @ap: Port containing device to be examined 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @dev: Device to be examined 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * After the IDENTIFY [PACKET] DEVICE step is complete, and a 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * device is known to be present, this function is called. 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We apply two errata fixups which are specific to Silicon Image, 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a Seagate and a Maxtor fixup. 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For certain Seagate devices, we must limit the maximum sectors 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to under 8K. 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For certain Maxtor devices, we must not program the drive 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * beyond udma5. 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Both fixups are unfairly pessimistic. As soon as I get more 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * information on these errata, I will create a more exhaustive 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * list, and apply the fixups to only the specific 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * devices/hosts/firmwares that need it. 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 20040111 - Seagate drives affected by the Mod15Write bug are blacklisted 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The Maxtor quirk is in the blacklist, but I'm keeping the original 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * pessimistic fix for the following reasons... 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - There seems to be less info on it, only one device gleaned off the 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Windows driver, maybe only one is affected. More info would be greatly 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * appreciated. 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - But then again UDMA5 is hardly anything to complain about 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sil_dev_config(struct ata_port *ap, struct ata_device *dev) 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int n, quirks = 0; 3352e02671daa2cd69d93c828c40579bbe953f17210Tejun Heo unsigned char model_num[41]; 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3376a62a04d4705df4f9f9bee39e889b9e920eeca47Tejun Heo ata_id_c_string(dev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3398a60a07129fad60bba779a2a4038c7518b167fc7Jeff Garzik for (n = 0; sil_blacklist[n].product; n++) 3402e02671daa2cd69d93c828c40579bbe953f17210Tejun Heo if (!strcmp(sil_blacklist[n].product, model_num)) { 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds quirks = sil_blacklist[n].quirk; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3448a60a07129fad60bba779a2a4038c7518b167fc7Jeff Garzik 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* limit requests to 15 sectors */ 34651e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzik if (slow_down || 34751e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzik ((ap->flags & SIL_FLAG_MOD15WRITE) && 34851e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzik (quirks & SIL_QUIRK_MOD15WRITE))) { 34951e9f2ff83df6b1c81c5c44f4486c68ed87aa20eJeff Garzik printk(KERN_INFO "ata%u(%u): applying Seagate errata fix (mod15write workaround)\n", 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ap->id, dev->devno); 351b00eec1d58ee71131375bfeb86e64bceec3f5618Tejun Heo dev->max_sectors = 15; 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* limit to udma5 */ 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (quirks & SIL_QUIRK_UDMA5MAX) { 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "ata%u(%u): applying Maxtor errata fix %s\n", 3582e02671daa2cd69d93c828c40579bbe953f17210Tejun Heo ap->id, dev->devno, model_num); 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ap->udma_mask &= ATA_UDMA5; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds static int printed_version; 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ata_probe_ent *probe_ent = NULL; 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long base; 369ea6ba10bbb88e106f9e2db7dc253993bb3bbbe3bJeff Garzik void __iomem *mmio_base; 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int rc; 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int i; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pci_dev_busy = 0; 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp, irq_mask; 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cls; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!printed_version++) 377a9524a76f70f3343e4be27f95a7e92a8ba5f9009Jeff Garzik dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If this driver happens to only be useful on Apple's K2, then 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we should check that here as it has a normal Serverworks ID 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = pci_enable_device(pdev); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = pci_request_regions(pdev, DRV_NAME); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) { 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_dev_busy = 1; 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out_regions; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rc) 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out_regions; 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4009a5314432a07251c2a8d71bfc793adcf00f4122eTejun Heo probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (probe_ent == NULL) { 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = -ENOMEM; 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out_regions; 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INIT_LIST_HEAD(&probe_ent->node); 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->dev = pci_dev_to_dev(pdev); 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->port_ops = sil_port_info[ent->driver_data].port_ops; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->sht = sil_port_info[ent->driver_data].sht; 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->n_ports = (ent->driver_data == sil_3114) ? 4 : 2; 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->pio_mask = sil_port_info[ent->driver_data].pio_mask; 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->mwdma_mask = sil_port_info[ent->driver_data].mwdma_mask; 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->udma_mask = sil_port_info[ent->driver_data].udma_mask; 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->irq = pdev->irq; 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->irq_flags = SA_SHIRQ; 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->host_flags = sil_port_info[ent->driver_data].host_flags; 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 418374b1873571bf80dc0c1fcceaaad067980f3b9deJeff Garzik mmio_base = pci_iomap(pdev, 5, 0); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mmio_base == NULL) { 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rc = -ENOMEM; 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err_out_free_ent; 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->mmio_base = mmio_base; 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds base = (unsigned long) mmio_base; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < probe_ent->n_ports; i++) { 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->port[i].cmd_addr = base + sil_port[i].tf; 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->port[i].altstatus_addr = 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->port[i].ctl_addr = base + sil_port[i].ctl; 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->port[i].bmdma_addr = base + sil_port[i].bmdma; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds probe_ent->port[i].scr_addr = base + sil_port[i].scr; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ata_std_ports(&probe_ent->port[i]); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize FIFO PCI bus arbitration */ 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cls = sil_get_device_cache_line(pdev); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cls) { 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cls >>= 3; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cls++; /* cls = (line_size/8)+1 */ 44248d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo for (i = 0; i < probe_ent->n_ports; i++) 44348d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo writew(cls << 8 | cls, 44448d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo mmio_base + sil_port[i].fifo_cfg); 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 446a9524a76f70f3343e4be27f95a7e92a8ba5f9009Jeff Garzik dev_printk(KERN_WARNING, &pdev->dev, 44748d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo "cache line size not set. Driver may not function\n"); 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 449e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo /* Apply R_ERR on DMA activate FIS errata workaround */ 450e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo if (probe_ent->host_flags & SIL_FLAG_RERR_ON_DMA_ACT) { 451e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo int cnt; 452e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo 453e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo for (i = 0, cnt = 0; i < probe_ent->n_ports; i++) { 454e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo tmp = readl(mmio_base + sil_port[i].sfis_cfg); 455e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo if ((tmp & 0x3) != 0x01) 456e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo continue; 457e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo if (!cnt) 458e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo dev_printk(KERN_INFO, &pdev->dev, 459e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo "Applying R_ERR on DMA activate " 460e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo "FIS errata fix\n"); 461e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo writel(tmp & ~0x3, mmio_base + sil_port[i].sfis_cfg); 462e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo cnt++; 463e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo } 464e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo } 465e4e10e3e7995f5bd481d2720bf30d3a661d110caTejun Heo 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ent->driver_data == sil_3114) { 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irq_mask = SIL_MASK_4PORT; 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* flip the magic "make 4 ports work" bit */ 47048d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo tmp = readl(mmio_base + sil_port[2].bmdma); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & SIL_INTR_STEERING) == 0) 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(tmp | SIL_INTR_STEERING, 47348d4ef2a1df9867c67b515d66732ba028a73735dTejun Heo mmio_base + sil_port[2].bmdma); 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds irq_mask = SIL_MASK_2PORT; 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* make sure IDE0/1/2/3 interrupts are not masked */ 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = readl(mmio_base + SIL_SYSCFG); 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp & irq_mask) { 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~irq_mask; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(tmp, mmio_base + SIL_SYSCFG); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readl(mmio_base + SIL_SYSCFG); /* flush */ 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* mask all SATA phy-related interrupts */ 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* TODO: unmask bit 6 (SError N bit) for hotplug */ 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < probe_ent->n_ports; i++) 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(0, mmio_base + sil_port[i].sien); 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_master(pdev); 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIXME: check ata_device_add return value */ 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ata_device_add(probe_ent); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(probe_ent); 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out_free_ent: 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(probe_ent); 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out_regions: 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_release_regions(pdev); 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr_out: 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!pci_dev_busy) 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_disable_device(pdev); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return rc; 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init sil_init(void) 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return pci_module_init(&sil_pci_driver); 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit sil_exit(void) 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unregister_driver(&sil_pci_driver); 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(sil_init); 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(sil_exit); 523