diff options
Diffstat (limited to 'drivers/ide/pci/amd74xx.c')
| -rw-r--r-- | drivers/ide/pci/amd74xx.c | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c deleted file mode 100644 index 3bf3d931eea..00000000000 --- a/drivers/ide/pci/amd74xx.c +++ /dev/null @@ -1,392 +0,0 @@ -/* - * Version 2.24 - * - * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04 - * IDE driver for Linux. - * - * Copyright (c) 2000-2002 Vojtech Pavlik - * Copyright (c) 2007 Bartlomiej Zolnierkiewicz - * - * Based on the work of: - * Andre Hedrick - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/blkdev.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/ide.h> -#include <asm/io.h> - -#include "ide-timing.h" - -#define AMD_IDE_CONFIG (0x01 + amd_config->base) -#define AMD_CABLE_DETECT (0x02 + amd_config->base) -#define AMD_DRIVE_TIMING (0x08 + amd_config->base) -#define AMD_8BIT_TIMING (0x0e + amd_config->base) -#define AMD_ADDRESS_SETUP (0x0c + amd_config->base) -#define AMD_UDMA_TIMING (0x10 + amd_config->base) - -#define AMD_CHECK_SWDMA 0x08 -#define AMD_BAD_SWDMA 0x10 -#define AMD_BAD_FIFO 0x20 -#define AMD_CHECK_SERENADE 0x40 - -/* - * AMD SouthBridge chips. - */ - -static struct amd_ide_chip { - unsigned short id; - u8 base; - u8 udma_mask; - u8 flags; -} amd_ide_chips[] = { - { PCI_DEVICE_ID_AMD_COBRA_7401, 0x40, ATA_UDMA2, AMD_BAD_SWDMA }, - { PCI_DEVICE_ID_AMD_VIPER_7409, 0x40, ATA_UDMA4, AMD_CHECK_SWDMA }, - { PCI_DEVICE_ID_AMD_VIPER_7411, 0x40, ATA_UDMA5, AMD_BAD_FIFO }, - { PCI_DEVICE_ID_AMD_OPUS_7441, 0x40, ATA_UDMA5, }, - { PCI_DEVICE_ID_AMD_8111_IDE, 0x40, ATA_UDMA6, AMD_CHECK_SERENADE }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_IDE, 0x50, ATA_UDMA5, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE, 0x50, ATA_UDMA6, }, - { PCI_DEVICE_ID_AMD_CS5536_IDE, 0x40, ATA_UDMA5, }, - { 0 } -}; - -static struct amd_ide_chip *amd_config; -static ide_pci_device_t *amd_chipset; -static unsigned int amd_80w; -static unsigned int amd_clock; - -static char *amd_dma[] = { "16", "25", "33", "44", "66", "100", "133" }; -static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 }; - -/* - * amd_set_speed() writes timing values to the chipset registers - */ - -static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timing *timing) -{ - unsigned char t; - - pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t); - t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); - pci_write_config_byte(dev, AMD_ADDRESS_SETUP, t); - - pci_write_config_byte(dev, AMD_8BIT_TIMING + (1 - (dn >> 1)), - ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1)); - - pci_write_config_byte(dev, AMD_DRIVE_TIMING + (3 - dn), - ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1)); - - switch (amd_config->udma_mask) { - case ATA_UDMA2: t = timing->udma ? (0xc0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break; - case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 2, 10)]) : 0x03; break; - case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 10)]) : 0x03; break; - case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 15)]) : 0x03; break; - default: return; - } - - pci_write_config_byte(dev, AMD_UDMA_TIMING + (3 - dn), t); -} - -/* - * amd_set_drive() computes timing values and configures the chipset - * to a desired transfer mode. It also can be called by upper layers. - */ - -static void amd_set_drive(ide_drive_t *drive, const u8 speed) -{ - ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); - struct ide_timing t, p; - int T, UT; - - T = 1000000000 / amd_clock; - UT = (amd_config->udma_mask == ATA_UDMA2) ? T : (T / 2); - - ide_timing_compute(drive, speed, &t, T, UT); - - if (peer->present) { - ide_timing_compute(peer, peer->current_speed, &p, T, UT); - ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); - } - - if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1; - if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; - - amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); -} - -/* - * amd_set_pio_mode() is a callback from upper layers for PIO-only tuning. - */ - -static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - amd_set_drive(drive, XFER_PIO_0 + pio); -} - -/* - * The initialization callback. Here we determine the IDE chip type - * and initialize its drive independent registers. - */ - -static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const char *name) -{ - unsigned char t; - unsigned int u; - int i; - -/* - * Check for bad SWDMA. - */ - - if (amd_config->flags & AMD_CHECK_SWDMA) { - if (dev->revision <= 7) - amd_config->flags |= AMD_BAD_SWDMA; - } - -/* - * Check 80-wire cable presence. - */ - - switch (amd_config->udma_mask) { - - case ATA_UDMA6: - case ATA_UDMA5: - pci_read_config_byte(dev, AMD_CABLE_DETECT, &t); - pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); - amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0); - for (i = 24; i >= 0; i -= 8) - if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) { - printk(KERN_WARNING "%s: BIOS didn't set cable bits correctly. Enabling workaround.\n", - amd_chipset->name); - amd_80w |= (1 << (1 - (i >> 4))); - } - break; - - case ATA_UDMA4: - /* no host side cable detection */ - amd_80w = 0x03; - break; - } - -/* - * Take care of prefetch & postwrite. - */ - - pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); - pci_write_config_byte(dev, AMD_IDE_CONFIG, - (amd_config->flags & AMD_BAD_FIFO) ? (t & 0x0f) : (t | 0xf0)); - -/* - * Take care of incorrectly wired Serenade mainboards. - */ - - if ((amd_config->flags & AMD_CHECK_SERENADE) && - dev->subsystem_vendor == PCI_VENDOR_ID_AMD && - dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) - amd_config->udma_mask = ATA_UDMA5; - -/* - * Determine the system bus clock. - */ - - amd_clock = system_bus_clock() * 1000; - - switch (amd_clock) { - case 33000: amd_clock = 33333; break; - case 37000: amd_clock = 37500; break; - case 41000: amd_clock = 41666; break; - } - - if (amd_clock < 20000 || amd_clock > 50000) { - printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n", - amd_chipset->name, amd_clock); - amd_clock = 33333; - } - -/* - * Print the boot message. - */ - - pci_read_config_byte(dev, PCI_REVISION_ID, &t); - printk(KERN_INFO "%s: %s (rev %02x) UDMA%s controller\n", - amd_chipset->name, pci_name(dev), dev->revision, - amd_dma[fls(amd_config->udma_mask) - 1]); - - return dev->irq; -} - -static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) -{ - int i; - - if (hwif->irq == 0) /* 0 is bogus but will do for now */ - hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel); - - hwif->set_pio_mode = &amd_set_pio_mode; - hwif->set_dma_mode = &amd_set_drive; - - for (i = 0; i < 2; i++) { - hwif->drives[i].io_32bit = 1; - hwif->drives[i].unmask = 1; - hwif->drives[i].autotune = 1; - } - - if (!hwif->dma_base) - return; - - hwif->atapi_dma = 1; - - hwif->ultra_mask = amd_config->udma_mask; - hwif->mwdma_mask = 0x07; - if ((amd_config->flags & AMD_BAD_SWDMA) == 0) - hwif->swdma_mask = 0x07; - - if (hwif->cbl != ATA_CBL_PATA40_SHORT) { - if ((amd_80w >> hwif->channel) & 1) - hwif->cbl = ATA_CBL_PATA80; - else - hwif->cbl = ATA_CBL_PATA40; - } -} - -#define DECLARE_AMD_DEV(name_str) \ - { \ - .name = name_str, \ - .init_chipset = init_chipset_amd74xx, \ - .init_hwif = init_hwif_amd74xx, \ - .autodma = AUTODMA, \ - .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \ - .bootable = ON_BOARD, \ - .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \ - | IDE_HFLAG_PIO_NO_DOWNGRADE \ - | IDE_HFLAG_POST_SET_MODE, \ - .pio_mask = ATA_PIO5, \ - } - -#define DECLARE_NV_DEV(name_str) \ - { \ - .name = name_str, \ - .init_chipset = init_chipset_amd74xx, \ - .init_hwif = init_hwif_amd74xx, \ - .autodma = AUTODMA, \ - .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \ - .bootable = ON_BOARD, \ - .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \ - | IDE_HFLAG_PIO_NO_DOWNGRADE \ - | IDE_HFLAG_POST_SET_MODE, \ - .pio_mask = ATA_PIO5, \ - } - -static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { - /* 0 */ DECLARE_AMD_DEV("AMD7401"), - /* 1 */ DECLARE_AMD_DEV("AMD7409"), - /* 2 */ DECLARE_AMD_DEV("AMD7411"), - /* 3 */ DECLARE_AMD_DEV("AMD7441"), - /* 4 */ DECLARE_AMD_DEV("AMD8111"), - - /* 5 */ DECLARE_NV_DEV("NFORCE"), - /* 6 */ DECLARE_NV_DEV("NFORCE2"), - /* 7 */ DECLARE_NV_DEV("NFORCE2-U400R"), - /* 8 */ DECLARE_NV_DEV("NFORCE2-U400R-SATA"), - /* 9 */ DECLARE_NV_DEV("NFORCE3-150"), - /* 10 */ DECLARE_NV_DEV("NFORCE3-250"), - /* 11 */ DECLARE_NV_DEV("NFORCE3-250-SATA"), - /* 12 */ DECLARE_NV_DEV("NFORCE3-250-SATA2"), - /* 13 */ DECLARE_NV_DEV("NFORCE-CK804"), - /* 14 */ DECLARE_NV_DEV("NFORCE-MCP04"), - /* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"), - /* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"), - /* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"), - /* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"), - /* 19 */ DECLARE_NV_DEV("NFORCE-MCP67"), - /* 20 */ DECLARE_NV_DEV("NFORCE-MCP73"), - /* 21 */ DECLARE_NV_DEV("NFORCE-MCP77"), - /* 22 */ DECLARE_AMD_DEV("AMD5536"), -}; - -static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id) -{ - amd_chipset = amd74xx_chipsets + id->driver_data; - amd_config = amd_ide_chips + id->driver_data; - if (dev->device != amd_config->id) { - printk(KERN_ERR "%s: assertion 0x%02x == 0x%02x failed !\n", - pci_name(dev), dev->device, amd_config->id); - return -ENODEV; - } - return ide_setup_pci_device(dev, amd_chipset); -} - -static const struct pci_device_id amd74xx_pci_tbl[] = { - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 2 }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 3 }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 4 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 5 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 6 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 7 }, -#ifdef CONFIG_BLK_DEV_IDE_SATA - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA), 8 }, -#endif - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 9 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 10 }, -#ifdef CONFIG_BLK_DEV_IDE_SATA - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA), 11 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2), 12 }, -#endif - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 13 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 14 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 15 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 16 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 17 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 18 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 19 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 20 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 21 }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 22 }, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); - -static struct pci_driver driver = { - .name = "AMD_IDE", - .id_table = amd74xx_pci_tbl, - .probe = amd74xx_probe, -}; - -static int __init amd74xx_ide_init(void) -{ - return ide_pci_register_driver(&driver); -} - -module_init(amd74xx_ide_init); - -MODULE_AUTHOR("Vojtech Pavlik"); -MODULE_DESCRIPTION("AMD PCI IDE driver"); -MODULE_LICENSE("GPL"); |