Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (C) 1998-2000 Michel Aubry |
| 3 | * Copyright (C) 1998-2000 Andrzej Krzysztofowicz |
| 4 | * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> |
Bartlomiej Zolnierkiewicz | 9445de7 | 2007-05-16 00:51:42 +0200 | [diff] [blame] | 5 | * Copyright (C) 2007 Bartlomiej Zolnierkiewicz |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * Portions copyright (c) 2001 Sun Microsystems |
| 7 | * |
| 8 | * |
| 9 | * RCC/ServerWorks IDE driver for Linux |
| 10 | * |
| 11 | * OSB4: `Open South Bridge' IDE Interface (fn 1) |
| 12 | * supports UDMA mode 2 (33 MB/s) |
| 13 | * |
| 14 | * CSB5: `Champion South Bridge' IDE Interface (fn 1) |
| 15 | * all revisions support UDMA mode 4 (66 MB/s) |
| 16 | * revision A2.0 and up support UDMA mode 5 (100 MB/s) |
| 17 | * |
| 18 | * *** The CSB5 does not provide ANY register *** |
| 19 | * *** to detect 80-conductor cable presence. *** |
| 20 | * |
| 21 | * CSB6: `Champion South Bridge' IDE Interface (optional: third channel) |
| 22 | * |
Narendra Sankar | 84f57fb | 2005-08-18 22:30:35 +0200 | [diff] [blame] | 23 | * HT1000: AKA BCM5785 - Hypertransport Southbridge for Opteron systems. IDE |
| 24 | * controller same as the CSB6. Single channel ATA100 only. |
| 25 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | * Documentation: |
| 27 | * Available under NDA only. Errata info very hard to get. |
| 28 | * |
| 29 | */ |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/types.h> |
| 32 | #include <linux/module.h> |
| 33 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include <linux/pci.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include <linux/ide.h> |
| 36 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
| 38 | #include <asm/io.h> |
| 39 | |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 40 | #define DRV_NAME "serverworks" |
| 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | #define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */ |
| 43 | #define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */ |
| 44 | |
| 45 | /* Seagate Barracuda ATA IV Family drives in UDMA mode 5 |
| 46 | * can overrun their FIFOs when used with the CSB5 */ |
| 47 | static const char *svwks_bad_ata100[] = { |
| 48 | "ST320011A", |
| 49 | "ST340016A", |
| 50 | "ST360021A", |
| 51 | "ST380021A", |
| 52 | NULL |
| 53 | }; |
| 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | static struct pci_dev *isa_dev; |
| 56 | |
| 57 | static int check_in_drive_lists (ide_drive_t *drive, const char **list) |
| 58 | { |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 59 | char *m = (char *)&drive->id[ATA_ID_PROD]; |
| 60 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | while (*list) |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 62 | if (!strcmp(*list++, m)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | return 1; |
| 64 | return 0; |
| 65 | } |
| 66 | |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 67 | static u8 svwks_udma_filter(ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 69 | struct pci_dev *dev = to_pci_dev(drive->hwif->dev); |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 70 | u8 mask = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
Narendra Sankar | 84f57fb | 2005-08-18 22:30:35 +0200 | [diff] [blame] | 72 | if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 73 | return 0x1f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { |
| 75 | u32 reg = 0; |
| 76 | if (isa_dev) |
| 77 | pci_read_config_dword(isa_dev, 0x64, ®); |
| 78 | |
| 79 | /* |
| 80 | * Don't enable UDMA on disk devices for the moment |
| 81 | */ |
| 82 | if(drive->media == ide_disk) |
| 83 | return 0; |
| 84 | /* Check the OSB4 DMA33 enable bit */ |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 85 | return ((reg & 0x00004000) == 0x00004000) ? 0x07 : 0; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 86 | } else if (dev->revision < SVWKS_CSB5_REVISION_NEW) { |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 87 | return 0x07; |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 88 | } else if (dev->revision >= SVWKS_CSB5_REVISION_NEW) { |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 89 | u8 btr = 0, mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | pci_read_config_byte(dev, 0x5A, &btr); |
| 91 | mode = btr & 0x3; |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | /* If someone decides to do UDMA133 on CSB5 the same |
| 94 | issue will bite so be inclusive */ |
| 95 | if (mode > 2 && check_in_drive_lists(drive, svwks_bad_ata100)) |
| 96 | mode = 2; |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 97 | |
| 98 | switch(mode) { |
Tony Battersby | 0c824b5 | 2007-10-16 22:29:52 +0200 | [diff] [blame] | 99 | case 3: mask = 0x3f; break; |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 100 | case 2: mask = 0x1f; break; |
| 101 | case 1: mask = 0x07; break; |
| 102 | default: mask = 0x00; break; |
| 103 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | } |
| 105 | if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || |
| 106 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) && |
| 107 | (!(PCI_FUNC(dev->devfn) & 1))) |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 108 | mask = 0x1f; |
| 109 | |
| 110 | return mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | static u8 svwks_csb_check (struct pci_dev *dev) |
| 114 | { |
| 115 | switch (dev->device) { |
| 116 | case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: |
| 117 | case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: |
| 118 | case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: |
Narendra Sankar | 84f57fb | 2005-08-18 22:30:35 +0200 | [diff] [blame] | 119 | case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | return 1; |
| 121 | default: |
| 122 | break; |
| 123 | } |
| 124 | return 0; |
| 125 | } |
Bartlomiej Zolnierkiewicz | 1880a8d | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 126 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 127 | static void svwks_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Bartlomiej Zolnierkiewicz | 1880a8d | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 128 | { |
| 129 | static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 }; |
| 130 | static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 }; |
| 131 | |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 132 | struct pci_dev *dev = to_pci_dev(drive->hwif->dev); |
Bartlomiej Zolnierkiewicz | 1880a8d | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 133 | |
| 134 | pci_write_config_byte(dev, drive_pci[drive->dn], pio_modes[pio]); |
| 135 | |
| 136 | if (svwks_csb_check(dev)) { |
| 137 | u16 csb_pio = 0; |
| 138 | |
| 139 | pci_read_config_word(dev, 0x4a, &csb_pio); |
| 140 | |
| 141 | csb_pio &= ~(0x0f << (4 * drive->dn)); |
| 142 | csb_pio |= (pio << (4 * drive->dn)); |
| 143 | |
| 144 | pci_write_config_word(dev, 0x4a, csb_pio); |
| 145 | } |
| 146 | } |
| 147 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 148 | static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | { |
Alan Cox | f201f50 | 2006-06-28 04:27:02 -0700 | [diff] [blame] | 150 | static const u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 }; |
| 151 | static const u8 dma_modes[] = { 0x77, 0x21, 0x20 }; |
Alan Cox | f201f50 | 2006-06-28 04:27:02 -0700 | [diff] [blame] | 152 | static const u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 154 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 155 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Bartlomiej Zolnierkiewicz | 123995b | 2008-10-13 21:39:40 +0200 | [diff] [blame] | 156 | u8 unit = drive->dn & 1; |
Bartlomiej Zolnierkiewicz | 1880a8d | 2007-07-20 01:11:56 +0200 | [diff] [blame] | 157 | |
| 158 | u8 ultra_enable = 0, ultra_timing = 0, dma_timing = 0; |
| 159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | pci_read_config_byte(dev, 0x54, &ultra_enable); |
| 162 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | ultra_timing &= ~(0x0F << (4*unit)); |
| 164 | ultra_enable &= ~(0x01 << drive->dn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
Bartlomiej Zolnierkiewicz | 7b971df | 2008-01-26 20:12:59 +0100 | [diff] [blame] | 166 | if (speed >= XFER_UDMA_0) { |
| 167 | dma_timing |= dma_modes[2]; |
| 168 | ultra_timing |= (udma_modes[speed - XFER_UDMA_0] << (4 * unit)); |
| 169 | ultra_enable |= (0x01 << drive->dn); |
| 170 | } else if (speed >= XFER_MW_DMA_0) |
| 171 | dma_timing |= dma_modes[speed - XFER_MW_DMA_0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | pci_write_config_byte(dev, drive_pci2[drive->dn], dma_timing); |
| 174 | pci_write_config_byte(dev, (0x56|hwif->channel), ultra_timing); |
| 175 | pci_write_config_byte(dev, 0x54, ultra_enable); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | } |
| 177 | |
Bartlomiej Zolnierkiewicz | 2ed0ef5 | 2009-03-24 23:22:53 +0100 | [diff] [blame] | 178 | static int init_chipset_svwks(struct pci_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | { |
| 180 | unsigned int reg; |
| 181 | u8 btr; |
| 182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | /* force Master Latency Timer value to 64 PCICLKs */ |
| 184 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x40); |
| 185 | |
| 186 | /* OSB4 : South Bridge and IDE */ |
| 187 | if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { |
Alan Cox | 970a613 | 2006-09-30 23:27:29 -0700 | [diff] [blame] | 188 | isa_dev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL); |
| 190 | if (isa_dev) { |
| 191 | pci_read_config_dword(isa_dev, 0x64, ®); |
| 192 | reg &= ~0x00002000; /* disable 600ns interrupt mask */ |
| 193 | if(!(reg & 0x00004000)) |
Bartlomiej Zolnierkiewicz | a326b02 | 2008-07-24 22:53:33 +0200 | [diff] [blame] | 194 | printk(KERN_DEBUG DRV_NAME " %s: UDMA not BIOS " |
| 195 | "enabled.\n", pci_name(dev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | reg |= 0x00004000; /* enable UDMA/33 support */ |
| 197 | pci_write_config_dword(isa_dev, 0x64, reg); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | /* setup CSB5/CSB6 : South Bridge and IDE option RAID */ |
| 202 | else if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) || |
| 203 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || |
| 204 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) { |
| 205 | |
| 206 | /* Third Channel Test */ |
| 207 | if (!(PCI_FUNC(dev->devfn) & 1)) { |
| 208 | struct pci_dev * findev = NULL; |
| 209 | u32 reg4c = 0; |
Alan Cox | 970a613 | 2006-09-30 23:27:29 -0700 | [diff] [blame] | 210 | findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | PCI_DEVICE_ID_SERVERWORKS_CSB5, NULL); |
| 212 | if (findev) { |
| 213 | pci_read_config_dword(findev, 0x4C, ®4c); |
| 214 | reg4c &= ~0x000007FF; |
| 215 | reg4c |= 0x00000040; |
| 216 | reg4c |= 0x00000020; |
| 217 | pci_write_config_dword(findev, 0x4C, reg4c); |
Alan Cox | 970a613 | 2006-09-30 23:27:29 -0700 | [diff] [blame] | 218 | pci_dev_put(findev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | } |
| 220 | outb_p(0x06, 0x0c00); |
| 221 | dev->irq = inb_p(0x0c01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | } else { |
| 223 | struct pci_dev * findev = NULL; |
| 224 | u8 reg41 = 0; |
| 225 | |
Alan Cox | 970a613 | 2006-09-30 23:27:29 -0700 | [diff] [blame] | 226 | findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | PCI_DEVICE_ID_SERVERWORKS_CSB6, NULL); |
| 228 | if (findev) { |
| 229 | pci_read_config_byte(findev, 0x41, ®41); |
| 230 | reg41 &= ~0x40; |
| 231 | pci_write_config_byte(findev, 0x41, reg41); |
Alan Cox | 970a613 | 2006-09-30 23:27:29 -0700 | [diff] [blame] | 232 | pci_dev_put(findev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | } |
| 234 | /* |
| 235 | * This is a device pin issue on CSB6. |
| 236 | * Since there will be a future raid mode, |
| 237 | * early versions of the chipset require the |
| 238 | * interrupt pin to be set, and it is a compatibility |
| 239 | * mode issue. |
| 240 | */ |
| 241 | if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) |
| 242 | dev->irq = 0; |
| 243 | } |
| 244 | // pci_read_config_dword(dev, 0x40, &pioreg) |
| 245 | // pci_write_config_dword(dev, 0x40, 0x99999999); |
| 246 | // pci_read_config_dword(dev, 0x44, &dmareg); |
| 247 | // pci_write_config_dword(dev, 0x44, 0xFFFFFFFF); |
| 248 | /* setup the UDMA Control register |
| 249 | * |
| 250 | * 1. clear bit 6 to enable DMA |
| 251 | * 2. enable DMA modes with bits 0-1 |
| 252 | * 00 : legacy |
| 253 | * 01 : udma2 |
| 254 | * 10 : udma2/udma4 |
| 255 | * 11 : udma2/udma4/udma5 |
| 256 | */ |
| 257 | pci_read_config_byte(dev, 0x5A, &btr); |
| 258 | btr &= ~0x40; |
| 259 | if (!(PCI_FUNC(dev->devfn) & 1)) |
| 260 | btr |= 0x2; |
| 261 | else |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 262 | btr |= (dev->revision >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | pci_write_config_byte(dev, 0x5A, btr); |
| 264 | } |
Narendra Sankar | 84f57fb | 2005-08-18 22:30:35 +0200 | [diff] [blame] | 265 | /* Setup HT1000 SouthBridge Controller - Single Channel Only */ |
| 266 | else if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) { |
| 267 | pci_read_config_byte(dev, 0x5A, &btr); |
| 268 | btr &= ~0x40; |
| 269 | btr |= 0x3; |
| 270 | pci_write_config_byte(dev, 0x5A, btr); |
| 271 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | |
Bartlomiej Zolnierkiewicz | 2ed0ef5 | 2009-03-24 23:22:53 +0100 | [diff] [blame] | 273 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | } |
| 275 | |
Bartlomiej Zolnierkiewicz | f454cbe | 2008-08-05 18:17:04 +0200 | [diff] [blame] | 276 | static u8 ata66_svwks_svwks(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | { |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 278 | return ATA_CBL_PATA80; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | /* On Dell PowerEdge servers with a CSB5/CSB6, the top two bits |
| 282 | * of the subsystem device ID indicate presence of an 80-pin cable. |
| 283 | * Bit 15 clear = secondary IDE channel does not have 80-pin cable. |
| 284 | * Bit 15 set = secondary IDE channel has 80-pin cable. |
| 285 | * Bit 14 clear = primary IDE channel does not have 80-pin cable. |
| 286 | * Bit 14 set = primary IDE channel has 80-pin cable. |
| 287 | */ |
Bartlomiej Zolnierkiewicz | f454cbe | 2008-08-05 18:17:04 +0200 | [diff] [blame] | 288 | static u8 ata66_svwks_dell(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 290 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
| 291 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL && |
| 293 | dev->vendor == PCI_VENDOR_ID_SERVERWORKS && |
| 294 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE || |
| 295 | dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE)) |
| 296 | return ((1 << (hwif->channel + 14)) & |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 297 | dev->subsystem_device) ? ATA_CBL_PATA80 : ATA_CBL_PATA40; |
| 298 | return ATA_CBL_PATA40; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | } |
| 300 | |
| 301 | /* Sun Cobalt Alpine hardware avoids the 80-pin cable |
| 302 | * detect issue by attaching the drives directly to the board. |
| 303 | * This check follows the Dell precedent (how scary is that?!) |
| 304 | * |
| 305 | * WARNING: this only works on Alpine hardware! |
| 306 | */ |
Bartlomiej Zolnierkiewicz | f454cbe | 2008-08-05 18:17:04 +0200 | [diff] [blame] | 307 | static u8 ata66_svwks_cobalt(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 309 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
| 310 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN && |
| 312 | dev->vendor == PCI_VENDOR_ID_SERVERWORKS && |
| 313 | dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) |
| 314 | return ((1 << (hwif->channel + 14)) & |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 315 | dev->subsystem_device) ? ATA_CBL_PATA80 : ATA_CBL_PATA40; |
| 316 | return ATA_CBL_PATA40; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | } |
| 318 | |
Bartlomiej Zolnierkiewicz | f454cbe | 2008-08-05 18:17:04 +0200 | [diff] [blame] | 319 | static u8 svwks_cable_detect(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 321 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | /* Server Works */ |
| 324 | if (dev->subsystem_vendor == PCI_VENDOR_ID_SERVERWORKS) |
| 325 | return ata66_svwks_svwks (hwif); |
| 326 | |
| 327 | /* Dell PowerEdge */ |
| 328 | if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL) |
| 329 | return ata66_svwks_dell (hwif); |
| 330 | |
| 331 | /* Cobalt Alpine */ |
| 332 | if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN) |
| 333 | return ata66_svwks_cobalt (hwif); |
| 334 | |
Alan Cox | f201f50 | 2006-06-28 04:27:02 -0700 | [diff] [blame] | 335 | /* Per Specified Design by OEM, and ASIC Architect */ |
| 336 | if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || |
| 337 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 338 | return ATA_CBL_PATA80; |
Alan Cox | f201f50 | 2006-06-28 04:27:02 -0700 | [diff] [blame] | 339 | |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 340 | return ATA_CBL_PATA40; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | } |
| 342 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 343 | static const struct ide_port_ops osb4_port_ops = { |
| 344 | .set_pio_mode = svwks_set_pio_mode, |
| 345 | .set_dma_mode = svwks_set_dma_mode, |
| 346 | .udma_filter = svwks_udma_filter, |
| 347 | }; |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 348 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 349 | static const struct ide_port_ops svwks_port_ops = { |
| 350 | .set_pio_mode = svwks_set_pio_mode, |
| 351 | .set_dma_mode = svwks_set_dma_mode, |
| 352 | .udma_filter = svwks_udma_filter, |
| 353 | .cable_detect = svwks_cable_detect, |
| 354 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 356 | static const struct ide_port_info serverworks_chipsets[] __devinitdata = { |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 357 | { /* 0: OSB4 */ |
| 358 | .name = DRV_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | .init_chipset = init_chipset_svwks, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 360 | .port_ops = &osb4_port_ops, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 361 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 362 | .mwdma_mask = ATA_MWDMA2, |
| 363 | .udma_mask = 0x00, /* UDMA is problematic on OSB4 */ |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 364 | }, |
| 365 | { /* 1: CSB5 */ |
| 366 | .name = DRV_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | .init_chipset = init_chipset_svwks, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 368 | .port_ops = &svwks_port_ops, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 369 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 370 | .mwdma_mask = ATA_MWDMA2, |
| 371 | .udma_mask = ATA_UDMA5, |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 372 | }, |
| 373 | { /* 2: CSB6 */ |
| 374 | .name = DRV_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | .init_chipset = init_chipset_svwks, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 376 | .port_ops = &svwks_port_ops, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 377 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 378 | .mwdma_mask = ATA_MWDMA2, |
| 379 | .udma_mask = ATA_UDMA5, |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 380 | }, |
| 381 | { /* 3: CSB6-2 */ |
| 382 | .name = DRV_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | .init_chipset = init_chipset_svwks, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 384 | .port_ops = &svwks_port_ops, |
Bartlomiej Zolnierkiewicz | 2467922 | 2009-03-24 23:22:52 +0100 | [diff] [blame] | 385 | .host_flags = IDE_HFLAG_SINGLE, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 386 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 387 | .mwdma_mask = ATA_MWDMA2, |
| 388 | .udma_mask = ATA_UDMA5, |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 389 | }, |
| 390 | { /* 4: HT1000 */ |
| 391 | .name = DRV_NAME, |
Narendra Sankar | 84f57fb | 2005-08-18 22:30:35 +0200 | [diff] [blame] | 392 | .init_chipset = init_chipset_svwks, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 393 | .port_ops = &svwks_port_ops, |
Bartlomiej Zolnierkiewicz | 2467922 | 2009-03-24 23:22:52 +0100 | [diff] [blame] | 394 | .host_flags = IDE_HFLAG_SINGLE, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 395 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 396 | .mwdma_mask = ATA_MWDMA2, |
| 397 | .udma_mask = ATA_UDMA5, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | } |
| 399 | }; |
| 400 | |
| 401 | /** |
| 402 | * svwks_init_one - called when a OSB/CSB is found |
| 403 | * @dev: the svwks device |
| 404 | * @id: the matching pci id |
| 405 | * |
| 406 | * Called when the PCI registration layer (or the IDE initialization) |
| 407 | * finds a device matching our IDE device tables. |
| 408 | */ |
| 409 | |
| 410 | static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 411 | { |
Bartlomiej Zolnierkiewicz | 039788e | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 412 | struct ide_port_info d; |
Bartlomiej Zolnierkiewicz | 7ed5829 | 2007-10-19 00:30:09 +0200 | [diff] [blame] | 413 | u8 idx = id->driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
Bartlomiej Zolnierkiewicz | 7ed5829 | 2007-10-19 00:30:09 +0200 | [diff] [blame] | 415 | d = serverworks_chipsets[idx]; |
| 416 | |
Bartlomiej Zolnierkiewicz | 8ac2b42 | 2008-02-01 23:09:30 +0100 | [diff] [blame] | 417 | if (idx == 1) |
| 418 | d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; |
| 419 | else if (idx == 2 || idx == 3) { |
Bartlomiej Zolnierkiewicz | 7ed5829 | 2007-10-19 00:30:09 +0200 | [diff] [blame] | 420 | if ((PCI_FUNC(dev->devfn) & 1) == 0) { |
| 421 | if (pci_resource_start(dev, 0) != 0x01f1) |
Bartlomiej Zolnierkiewicz | 5e71d9c | 2008-04-26 17:36:35 +0200 | [diff] [blame] | 422 | d.host_flags |= IDE_HFLAG_NON_BOOTABLE; |
Bartlomiej Zolnierkiewicz | 7ed5829 | 2007-10-19 00:30:09 +0200 | [diff] [blame] | 423 | d.host_flags |= IDE_HFLAG_SINGLE; |
| 424 | } else |
| 425 | d.host_flags &= ~IDE_HFLAG_SINGLE; |
| 426 | } |
| 427 | |
Bartlomiej Zolnierkiewicz | 6cdf6eb | 2008-07-24 22:53:14 +0200 | [diff] [blame] | 428 | return ide_pci_init_one(dev, &d, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | } |
| 430 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 431 | static const struct pci_device_id svwks_pci_tbl[] = { |
| 432 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0 }, |
| 433 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 1 }, |
| 434 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2 }, |
| 435 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 3 }, |
| 436 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 4 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | { 0, }, |
| 438 | }; |
| 439 | MODULE_DEVICE_TABLE(pci, svwks_pci_tbl); |
| 440 | |
Bartlomiej Zolnierkiewicz | a9ab09e | 2008-10-13 21:39:41 +0200 | [diff] [blame] | 441 | static struct pci_driver svwks_pci_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | .name = "Serverworks_IDE", |
| 443 | .id_table = svwks_pci_tbl, |
| 444 | .probe = svwks_init_one, |
Bartlomiej Zolnierkiewicz | bc2c9a8 | 2008-07-24 22:53:25 +0200 | [diff] [blame] | 445 | .remove = ide_pci_remove, |
Bartlomiej Zolnierkiewicz | feb22b7 | 2008-10-10 22:39:32 +0200 | [diff] [blame] | 446 | .suspend = ide_pci_suspend, |
| 447 | .resume = ide_pci_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | }; |
| 449 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 450 | static int __init svwks_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | { |
Bartlomiej Zolnierkiewicz | a9ab09e | 2008-10-13 21:39:41 +0200 | [diff] [blame] | 452 | return ide_pci_register_driver(&svwks_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | } |
| 454 | |
Bartlomiej Zolnierkiewicz | bc2c9a8 | 2008-07-24 22:53:25 +0200 | [diff] [blame] | 455 | static void __exit svwks_ide_exit(void) |
| 456 | { |
Bartlomiej Zolnierkiewicz | a9ab09e | 2008-10-13 21:39:41 +0200 | [diff] [blame] | 457 | pci_unregister_driver(&svwks_pci_driver); |
Bartlomiej Zolnierkiewicz | bc2c9a8 | 2008-07-24 22:53:25 +0200 | [diff] [blame] | 458 | } |
| 459 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | module_init(svwks_ide_init); |
Bartlomiej Zolnierkiewicz | bc2c9a8 | 2008-07-24 22:53:25 +0200 | [diff] [blame] | 461 | module_exit(svwks_ide_exit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | |
| 463 | MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick"); |
| 464 | MODULE_DESCRIPTION("PCI driver module for Serverworks OSB4/CSB5/CSB6 IDE"); |
| 465 | MODULE_LICENSE("GPL"); |