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path: root/drivers/ide/pci/amd74xx.c
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Diffstat (limited to 'drivers/ide/pci/amd74xx.c')
-rw-r--r--drivers/ide/pci/amd74xx.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
deleted file mode 100644
index 81ec73134ed..00000000000
--- a/drivers/ide/pci/amd74xx.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * 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/pci.h>
-#include <linux/init.h>
-#include <linux/ide.h>
-
-#define DRV_NAME "amd74xx"
-
-enum {
- AMD_IDE_CONFIG = 0x41,
- AMD_CABLE_DETECT = 0x42,
- AMD_DRIVE_TIMING = 0x48,
- AMD_8BIT_TIMING = 0x4e,
- AMD_ADDRESS_SETUP = 0x4c,
- AMD_UDMA_TIMING = 0x50,
-};
-
-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 };
-
-static inline u8 amd_offset(struct pci_dev *dev)
-{
- return (dev->vendor == PCI_VENDOR_ID_NVIDIA) ? 0x10 : 0;
-}
-
-/*
- * amd_set_speed() writes timing values to the chipset registers
- */
-
-static void amd_set_speed(struct pci_dev *dev, u8 dn, u8 udma_mask,
- struct ide_timing *timing)
-{
- u8 t = 0, offset = amd_offset(dev);
-
- pci_read_config_byte(dev, AMD_ADDRESS_SETUP + offset, &t);
- t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
- pci_write_config_byte(dev, AMD_ADDRESS_SETUP + offset, t);
-
- pci_write_config_byte(dev, AMD_8BIT_TIMING + offset + (1 - (dn >> 1)),
- ((clamp_val(timing->act8b, 1, 16) - 1) << 4) | (clamp_val(timing->rec8b, 1, 16) - 1));
-
- pci_write_config_byte(dev, AMD_DRIVE_TIMING + offset + (3 - dn),
- ((clamp_val(timing->active, 1, 16) - 1) << 4) | (clamp_val(timing->recover, 1, 16) - 1));
-
- switch (udma_mask) {
- case ATA_UDMA2: t = timing->udma ? (0xc0 | (clamp_val(timing->udma, 2, 5) - 2)) : 0x03; break;
- case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 2, 10)]) : 0x03; break;
- case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 1, 10)]) : 0x03; break;
- case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[clamp_val(timing->udma, 1, 15)]) : 0x03; break;
- default: return;
- }
-
- pci_write_config_byte(dev, AMD_UDMA_TIMING + offset + (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_hwif_t *hwif = drive->hwif;
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- ide_drive_t *peer = hwif->drives + (~drive->dn & 1);
- struct ide_timing t, p;
- int T, UT;
- u8 udma_mask = hwif->ultra_mask;
-
- T = 1000000000 / amd_clock;
- UT = (udma_mask == ATA_UDMA2) ? T : (T / 2);
-
- ide_timing_compute(drive, speed, &t, T, UT);
-
- if (peer->dev_flags & IDE_DFLAG_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(dev, drive->dn, udma_mask, &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);
-}
-
-static void amd7409_cable_detect(struct pci_dev *dev)
-{
- /* no host side cable detection */
- amd_80w = 0x03;
-}
-
-static void amd7411_cable_detect(struct pci_dev *dev)
-{
- int i;
- u32 u = 0;
- u8 t = 0, offset = amd_offset(dev);
-
- pci_read_config_byte(dev, AMD_CABLE_DETECT + offset, &t);
- pci_read_config_dword(dev, AMD_UDMA_TIMING + offset, &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 DRV_NAME " %s: BIOS didn't set "
- "cable bits correctly. Enabling workaround.\n",
- pci_name(dev));
- amd_80w |= (1 << (1 - (i >> 4)));
- }
-}
-
-/*
- * The initialization callback. Initialize drive independent registers.
- */
-
-static unsigned int init_chipset_amd74xx(struct pci_dev *dev)
-{
- u8 t = 0, offset = amd_offset(dev);
-
-/*
- * Check 80-wire cable presence.
- */
-
- if (dev->vendor == PCI_VENDOR_ID_AMD &&
- dev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
- ; /* no UDMA > 2 */
- else if (dev->vendor == PCI_VENDOR_ID_AMD &&
- dev->device == PCI_DEVICE_ID_AMD_VIPER_7409)
- amd7409_cable_detect(dev);
- else
- amd7411_cable_detect(dev);
-
-/*
- * Take care of prefetch & postwrite.
- */
-
- pci_read_config_byte(dev, AMD_IDE_CONFIG + offset, &t);
- /*
- * Check for broken FIFO support.
- */
- if (dev->vendor == PCI_VENDOR_ID_AMD &&
- dev->vendor == PCI_DEVICE_ID_AMD_VIPER_7411)
- t &= 0x0f;
- else
- t |= 0xf0;
- pci_write_config_byte(dev, AMD_IDE_CONFIG + offset, t);
-
- return dev->irq;
-}
-
-static u8 amd_cable_detect(ide_hwif_t *hwif)
-{
- if ((amd_80w >> hwif->channel) & 1)
- return ATA_CBL_PATA80;
- else
- return ATA_CBL_PATA40;
-}
-
-static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
-{
- struct pci_dev *dev = to_pci_dev(hwif->dev);
-
- if (hwif->irq == 0) /* 0 is bogus but will do for now */
- hwif->irq = pci_get_legacy_ide_irq(dev, hwif->channel);
-}
-
-static const struct ide_port_ops amd_port_ops = {
- .set_pio_mode = amd_set_pio_mode,
- .set_dma_mode = amd_set_drive,
- .cable_detect = amd_cable_detect,
-};
-
-#define IDE_HFLAGS_AMD \
- (IDE_HFLAG_PIO_NO_BLACKLIST | \
- IDE_HFLAG_POST_SET_MODE | \
- IDE_HFLAG_IO_32BIT | \
- IDE_HFLAG_UNMASK_IRQS)
-
-#define DECLARE_AMD_DEV(swdma, udma) \
- { \
- .name = DRV_NAME, \
- .init_chipset = init_chipset_amd74xx, \
- .init_hwif = init_hwif_amd74xx, \
- .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \
- .port_ops = &amd_port_ops, \
- .host_flags = IDE_HFLAGS_AMD, \
- .pio_mask = ATA_PIO5, \
- .swdma_mask = swdma, \
- .mwdma_mask = ATA_MWDMA2, \
- .udma_mask = udma, \
- }
-
-#define DECLARE_NV_DEV(udma) \
- { \
- .name = DRV_NAME, \
- .init_chipset = init_chipset_amd74xx, \
- .init_hwif = init_hwif_amd74xx, \
- .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \
- .port_ops = &amd_port_ops, \
- .host_flags = IDE_HFLAGS_AMD, \
- .pio_mask = ATA_PIO5, \
- .swdma_mask = ATA_SWDMA2, \
- .mwdma_mask = ATA_MWDMA2, \
- .udma_mask = udma, \
- }
-
-static const struct ide_port_info amd74xx_chipsets[] __devinitdata = {
- /* 0: AMD7401 */ DECLARE_AMD_DEV(0x00, ATA_UDMA2),
- /* 1: AMD7409 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA4),
- /* 2: AMD7411/7441 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA5),
- /* 3: AMD8111 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA6),
-
- /* 4: NFORCE */ DECLARE_NV_DEV(ATA_UDMA5),
- /* 5: >= NFORCE2 */ DECLARE_NV_DEV(ATA_UDMA6),
-
- /* 6: AMD5536 */ DECLARE_AMD_DEV(ATA_SWDMA2, ATA_UDMA5),
-};
-
-static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id)
-{
- struct ide_port_info d;
- u8 idx = id->driver_data;
-
- d = amd74xx_chipsets[idx];
-
- /*
- * Check for bad SWDMA and incorrectly wired Serenade mainboards.
- */
- if (idx == 1) {
- if (dev->revision <= 7)
- d.swdma_mask = 0;
- d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX;
- } else if (idx == 3) {
- if (dev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
- dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
- d.udma_mask = ATA_UDMA5;
- }
-
- printk(KERN_INFO "%s %s: UDMA%s controller\n",
- d.name, pci_name(dev), amd_dma[fls(d.udma_mask) - 1]);
-
- /*
- * Determine the system bus clock.
- */
- amd_clock = (ide_pci_clk ? ide_pci_clk : 33) * 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",
- d.name, amd_clock);
- amd_clock = 33333;
- }
-
- return ide_pci_init_one(dev, &d, NULL);
-}
-
-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), 2 },
- { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 3 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 4 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 5 },
-#ifdef CONFIG_BLK_DEV_IDE_SATA
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA), 5 },
-#endif
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 5 },
-#ifdef CONFIG_BLK_DEV_IDE_SATA
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2), 5 },
-#endif
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 5 },
- { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 5 },
- { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 6 },
- { 0, },
-};
-MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl);
-
-static struct pci_driver amd74xx_pci_driver = {
- .name = "AMD_IDE",
- .id_table = amd74xx_pci_tbl,
- .probe = amd74xx_probe,
- .remove = ide_pci_remove,
- .suspend = ide_pci_suspend,
- .resume = ide_pci_resume,
-};
-
-static int __init amd74xx_ide_init(void)
-{
- return ide_pci_register_driver(&amd74xx_pci_driver);
-}
-
-static void __exit amd74xx_ide_exit(void)
-{
- pci_unregister_driver(&amd74xx_pci_driver);
-}
-
-module_init(amd74xx_ide_init);
-module_exit(amd74xx_ide_exit);
-
-MODULE_AUTHOR("Vojtech Pavlik");
-MODULE_DESCRIPTION("AMD PCI IDE driver");
-MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 01:04:46 +0000