diff options
author | smh22@boulderdash.cl.cam.ac.uk <smh22@boulderdash.cl.cam.ac.uk> | 2003-02-12 18:06:56 +0000 |
---|---|---|
committer | smh22@boulderdash.cl.cam.ac.uk <smh22@boulderdash.cl.cam.ac.uk> | 2003-02-12 18:06:56 +0000 |
commit | 2aa379cdb58646a23858533f2219e10af5eee15c (patch) | |
tree | 29c5a1b1751bc92d86095158f1a158086c8488ab /xen-2.4.16/drivers | |
parent | 831f0e088fc7b9213ff63c83cc8a45fd617691b4 (diff) | |
download | xen-2aa379cdb58646a23858533f2219e10af5eee15c.tar.gz xen-2aa379cdb58646a23858533f2219e10af5eee15c.tar.bz2 xen-2aa379cdb58646a23858533f2219e10af5eee15c.zip |
bitkeeper revision 1.22.2.17 (3e4a8d40dV6GGD3Pv0mYGrE1vSVPAw)
final bit of checkin
Diffstat (limited to 'xen-2.4.16/drivers')
-rw-r--r-- | xen-2.4.16/drivers/ide/ide-xeno.c | 46 | ||||
-rw-r--r-- | xen-2.4.16/drivers/ide/piix.c | 536 |
2 files changed, 582 insertions, 0 deletions
diff --git a/xen-2.4.16/drivers/ide/ide-xeno.c b/xen-2.4.16/drivers/ide/ide-xeno.c new file mode 100644 index 0000000000..eb7e6cab58 --- /dev/null +++ b/xen-2.4.16/drivers/ide/ide-xeno.c @@ -0,0 +1,46 @@ +#include <xeno/config.h> +#include <xeno/types.h> +#include <xeno/lib.h> +#include <xeno/ide.h> +#include <hypervisor-ifs/block.h> + + +void +ide_probe_devices (xen_disk_info_t* xdi) +{ + int loop; + + for (loop = 0; loop < MAX_HWIFS; ++loop) + { + ide_hwif_t *hwif = &ide_hwifs[loop]; + if (hwif->present) + { + struct gendisk *gd = hwif->gd; + unsigned int unit; + + for (unit = 0; unit < MAX_DRIVES; ++unit) + { + unsigned long capacity; + + ide_drive_t *drive = &hwif->drives[unit]; + + if (drive->present) + { + capacity = current_capacity (drive); + + xdi->disks[xdi->count].type = XEN_DISK_IDE; + xdi->disks[xdi->count].capacity = capacity; + xdi->count++; + + printk (KERN_ALERT "IDE-XENO %d\n", xdi->count); + printk (KERN_ALERT " capacity 0x%x\n", capacity); + printk (KERN_ALERT " head 0x%x\n", drive->bios_head); + printk (KERN_ALERT " sector 0x%x\n", drive->bios_sect); + printk (KERN_ALERT " cylinder 0x%x\n", drive->bios_cyl); + } + } + } + } + + return; +} diff --git a/xen-2.4.16/drivers/ide/piix.c b/xen-2.4.16/drivers/ide/piix.c new file mode 100644 index 0000000000..ca6629e9ef --- /dev/null +++ b/xen-2.4.16/drivers/ide/piix.c @@ -0,0 +1,536 @@ +/* + * linux/drivers/ide/piix.c Version 0.32 June 9, 2000 + * + * Copyright (C) 1998-1999 Andrzej Krzysztofowicz, Author and Maintainer + * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> + * May be copied or modified under the terms of the GNU General Public License + * + * PIO mode setting function for Intel chipsets. + * For use instead of BIOS settings. + * + * 40-41 + * 42-43 + * + * 41 + * 43 + * + * | PIO 0 | c0 | 80 | 0 | piix_tune_drive(drive, 0); + * | PIO 2 | SW2 | d0 | 90 | 4 | piix_tune_drive(drive, 2); + * | PIO 3 | MW1 | e1 | a1 | 9 | piix_tune_drive(drive, 3); + * | PIO 4 | MW2 | e3 | a3 | b | piix_tune_drive(drive, 4); + * + * sitre = word40 & 0x4000; primary + * sitre = word42 & 0x4000; secondary + * + * 44 8421|8421 hdd|hdb + * + * 48 8421 hdd|hdc|hdb|hda udma enabled + * + * 0001 hda + * 0010 hdb + * 0100 hdc + * 1000 hdd + * + * 4a 84|21 hdb|hda + * 4b 84|21 hdd|hdc + * + * ata-33/82371AB + * ata-33/82371EB + * ata-33/82801AB ata-66/82801AA + * 00|00 udma 0 00|00 reserved + * 01|01 udma 1 01|01 udma 3 + * 10|10 udma 2 10|10 udma 4 + * 11|11 reserved 11|11 reserved + * + * 54 8421|8421 ata66 drive|ata66 enable + * + * pci_read_config_word(HWIF(drive)->pci_dev, 0x40, ®40); + * pci_read_config_word(HWIF(drive)->pci_dev, 0x42, ®42); + * pci_read_config_word(HWIF(drive)->pci_dev, 0x44, ®44); + * pci_read_config_word(HWIF(drive)->pci_dev, 0x48, ®48); + * pci_read_config_word(HWIF(drive)->pci_dev, 0x4a, ®4a); + * pci_read_config_word(HWIF(drive)->pci_dev, 0x54, ®54); + * + */ + +#include <linux/config.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <linux/pci.h> +#include <linux/hdreg.h> +#include <linux/ide.h> +#include <linux/delay.h> +#include <linux/init.h> + +#include <asm/io.h> + +#include "ide_modes.h" + +#define PIIX_DEBUG_DRIVE_INFO 0 + +#define DISPLAY_PIIX_TIMINGS + +#if defined(DISPLAY_PIIX_TIMINGS) && defined(CONFIG_PROC_FS) +#include <linux/stat.h> +#include <linux/proc_fs.h> + +static int piix_get_info(char *, char **, off_t, int); +extern int (*piix_display_info)(char *, char **, off_t, int); /* ide-proc.c */ +extern char *ide_media_verbose(ide_drive_t *); +static struct pci_dev *bmide_dev; + +static int piix_get_info (char *buffer, char **addr, off_t offset, int count) +{ + char *p = buffer; + u32 bibma = pci_resource_start(bmide_dev, 4); + u16 reg40 = 0, psitre = 0, reg42 = 0, ssitre = 0; + u8 c0 = 0, c1 = 0; + u8 reg44 = 0, reg48 = 0, reg4a = 0, reg4b = 0, reg54 = 0, reg55 = 0; + + switch(bmide_dev->device) { + case PCI_DEVICE_ID_INTEL_82801BA_8: + case PCI_DEVICE_ID_INTEL_82801BA_9: + case PCI_DEVICE_ID_INTEL_82801CA_10: + p += sprintf(p, "\n Intel PIIX4 Ultra 100 Chipset.\n"); + break; + case PCI_DEVICE_ID_INTEL_82372FB_1: + case PCI_DEVICE_ID_INTEL_82801AA_1: + p += sprintf(p, "\n Intel PIIX4 Ultra 66 Chipset.\n"); + break; + case PCI_DEVICE_ID_INTEL_82451NX: + case PCI_DEVICE_ID_INTEL_82801AB_1: + case PCI_DEVICE_ID_INTEL_82443MX_1: + case PCI_DEVICE_ID_INTEL_82371AB: + p += sprintf(p, "\n Intel PIIX4 Ultra 33 Chipset.\n"); + break; + case PCI_DEVICE_ID_INTEL_82371SB_1: + p += sprintf(p, "\n Intel PIIX3 Chipset.\n"); + break; + case PCI_DEVICE_ID_INTEL_82371MX: + p += sprintf(p, "\n Intel MPIIX Chipset.\n"); + return p-buffer; /* => must be less than 4k! */ + case PCI_DEVICE_ID_INTEL_82371FB_1: + case PCI_DEVICE_ID_INTEL_82371FB_0: + default: + p += sprintf(p, "\n Intel PIIX Chipset.\n"); + break; + } + + pci_read_config_word(bmide_dev, 0x40, ®40); + pci_read_config_word(bmide_dev, 0x42, ®42); + pci_read_config_byte(bmide_dev, 0x44, ®44); + pci_read_config_byte(bmide_dev, 0x48, ®48); + pci_read_config_byte(bmide_dev, 0x4a, ®4a); + pci_read_config_byte(bmide_dev, 0x4b, ®4b); + pci_read_config_byte(bmide_dev, 0x54, ®54); + pci_read_config_byte(bmide_dev, 0x55, ®55); + + psitre = (reg40 & 0x4000) ? 1 : 0; + ssitre = (reg42 & 0x4000) ? 1 : 0; + + /* + * at that point bibma+0x2 et bibma+0xa are byte registers + * to investigate: + */ + c0 = inb_p((unsigned short)bibma + 0x02); + c1 = inb_p((unsigned short)bibma + 0x0a); + + p += sprintf(p, "--------------- Primary Channel ---------------- Secondary Channel -------------\n"); + p += sprintf(p, " %sabled %sabled\n", + (c0&0x80) ? "dis" : " en", + (c1&0x80) ? "dis" : " en"); + p += sprintf(p, "--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------\n"); + p += sprintf(p, "DMA enabled: %s %s %s %s\n", + (c0&0x20) ? "yes" : "no ", + (c0&0x40) ? "yes" : "no ", + (c1&0x20) ? "yes" : "no ", + (c1&0x40) ? "yes" : "no " ); + p += sprintf(p, "UDMA enabled: %s %s %s %s\n", + (reg48&0x01) ? "yes" : "no ", + (reg48&0x02) ? "yes" : "no ", + (reg48&0x04) ? "yes" : "no ", + (reg48&0x08) ? "yes" : "no " ); + p += sprintf(p, "UDMA enabled: %s %s %s %s\n", + ((reg54&0x11) && (reg55&0x10) && (reg4a&0x01)) ? "5" : + ((reg54&0x11) && (reg4a&0x02)) ? "4" : + ((reg54&0x11) && (reg4a&0x01)) ? "3" : + (reg4a&0x02) ? "2" : + (reg4a&0x01) ? "1" : + (reg4a&0x00) ? "0" : "X", + ((reg54&0x22) && (reg55&0x20) && (reg4a&0x10)) ? "5" : + ((reg54&0x22) && (reg4a&0x20)) ? "4" : + ((reg54&0x22) && (reg4a&0x10)) ? "3" : + (reg4a&0x20) ? "2" : + (reg4a&0x10) ? "1" : + (reg4a&0x00) ? "0" : "X", + ((reg54&0x44) && (reg55&0x40) && (reg4b&0x03)) ? "5" : + ((reg54&0x44) && (reg4b&0x02)) ? "4" : + ((reg54&0x44) && (reg4b&0x01)) ? "3" : + (reg4b&0x02) ? "2" : + (reg4b&0x01) ? "1" : + (reg4b&0x00) ? "0" : "X", + ((reg54&0x88) && (reg55&0x80) && (reg4b&0x30)) ? "5" : + ((reg54&0x88) && (reg4b&0x20)) ? "4" : + ((reg54&0x88) && (reg4b&0x10)) ? "3" : + (reg4b&0x20) ? "2" : + (reg4b&0x10) ? "1" : + (reg4b&0x00) ? "0" : "X"); + + p += sprintf(p, "UDMA\n"); + p += sprintf(p, "DMA\n"); + p += sprintf(p, "PIO\n"); + +/* + * FIXME.... Add configuration junk data....blah blah...... + */ + + return p-buffer; /* => must be less than 4k! */ +} +#endif /* defined(DISPLAY_PIIX_TIMINGS) && defined(CONFIG_PROC_FS) */ + +/* + * Used to set Fifo configuration via kernel command line: + */ + +byte piix_proc = 0; + +extern char *ide_xfer_verbose (byte xfer_rate); + +#if defined(CONFIG_BLK_DEV_IDEDMA) && defined(CONFIG_PIIX_TUNING) +/* + * + */ +static byte piix_dma_2_pio (byte xfer_rate) { + switch(xfer_rate) { + case XFER_UDMA_5: + case XFER_UDMA_4: + case XFER_UDMA_3: + case XFER_UDMA_2: + case XFER_UDMA_1: + case XFER_UDMA_0: + case XFER_MW_DMA_2: + case XFER_PIO_4: + return 4; + case XFER_MW_DMA_1: + case XFER_PIO_3: + return 3; + case XFER_SW_DMA_2: + case XFER_PIO_2: + return 2; + case XFER_MW_DMA_0: + case XFER_SW_DMA_1: + case XFER_SW_DMA_0: + case XFER_PIO_1: + case XFER_PIO_0: + case XFER_PIO_SLOW: + default: + return 0; + } +} +#endif /* defined(CONFIG_BLK_DEV_IDEDMA) && (CONFIG_PIIX_TUNING) */ + +/* + * Based on settings done by AMI BIOS + * (might be useful if drive is not registered in CMOS for any reason). + */ +static void piix_tune_drive (ide_drive_t *drive, byte pio) +{ + unsigned long flags; + u16 master_data; + byte slave_data; + int is_slave = (&HWIF(drive)->drives[1] == drive); + int master_port = HWIF(drive)->index ? 0x42 : 0x40; + int slave_port = 0x44; + /* ISP RTC */ + byte timings[][2] = { { 0, 0 }, + { 0, 0 }, + { 1, 0 }, + { 2, 1 }, + { 2, 3 }, }; + + pio = ide_get_best_pio_mode(drive, pio, 5, NULL); + pci_read_config_word(HWIF(drive)->pci_dev, master_port, &master_data); + if (is_slave) { + master_data = master_data | 0x4000; + if (pio > 1) + /* enable PPE, IE and TIME */ + master_data = master_data | 0x0070; + pci_read_config_byte(HWIF(drive)->pci_dev, slave_port, &slave_data); + slave_data = slave_data & (HWIF(drive)->index ? 0x0f : 0xf0); + slave_data = slave_data | ((timings[pio][0] << 2) | (timings[pio][1] + << (HWIF(drive)->index ? 4 : 0))); + } else { + master_data = master_data & 0xccf8; + if (pio > 1) + /* enable PPE, IE and TIME */ + master_data = master_data | 0x0007; + master_data = master_data | (timings[pio][0] << 12) | + (timings[pio][1] << 8); + } + save_flags(flags); + cli(); + pci_write_config_word(HWIF(drive)->pci_dev, master_port, master_data); + if (is_slave) + pci_write_config_byte(HWIF(drive)->pci_dev, slave_port, slave_data); + restore_flags(flags); +} + +#if defined(CONFIG_BLK_DEV_IDEDMA) && defined(CONFIG_PIIX_TUNING) +static int piix_tune_chipset (ide_drive_t *drive, byte speed) +{ + ide_hwif_t *hwif = HWIF(drive); + struct pci_dev *dev = hwif->pci_dev; + byte maslave = hwif->channel ? 0x42 : 0x40; + int a_speed = 3 << (drive->dn * 4); + int u_flag = 1 << drive->dn; + int v_flag = 0x01 << drive->dn; + int w_flag = 0x10 << drive->dn; + int u_speed = 0; + int err = 0; + int sitre; + short reg4042, reg44, reg48, reg4a, reg54; + byte reg55; + + pci_read_config_word(dev, maslave, ®4042); + sitre = (reg4042 & 0x4000) ? 1 : 0; + pci_read_config_word(dev, 0x44, ®44); + pci_read_config_word(dev, 0x48, ®48); + pci_read_config_word(dev, 0x4a, ®4a); + pci_read_config_word(dev, 0x54, ®54); + pci_read_config_byte(dev, 0x55, ®55); + + switch(speed) { + case XFER_UDMA_4: + case XFER_UDMA_2: u_speed = 2 << (drive->dn * 4); break; + case XFER_UDMA_5: + case XFER_UDMA_3: + case XFER_UDMA_1: u_speed = 1 << (drive->dn * 4); break; + case XFER_UDMA_0: u_speed = 0 << (drive->dn * 4); break; + case XFER_MW_DMA_2: + case XFER_MW_DMA_1: + case XFER_SW_DMA_2: break; + default: return -1; + } + + if (speed >= XFER_UDMA_0) { + if (!(reg48 & u_flag)) + pci_write_config_word(dev, 0x48, reg48|u_flag); + if (speed == XFER_UDMA_5) { + pci_write_config_byte(dev, 0x55, (byte) reg55|w_flag); + } else { + pci_write_config_byte(dev, 0x55, (byte) reg55 & ~w_flag); + } + if (!(reg4a & u_speed)) { + pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); + pci_write_config_word(dev, 0x4a, reg4a|u_speed); + } + if (speed > XFER_UDMA_2) { + if (!(reg54 & v_flag)) { + pci_write_config_word(dev, 0x54, reg54|v_flag); + } + } else { + pci_write_config_word(dev, 0x54, reg54 & ~v_flag); + } + } + if (speed < XFER_UDMA_0) { + if (reg48 & u_flag) + pci_write_config_word(dev, 0x48, reg48 & ~u_flag); + if (reg4a & a_speed) + pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); + if (reg54 & v_flag) + pci_write_config_word(dev, 0x54, reg54 & ~v_flag); + if (reg55 & w_flag) + pci_write_config_byte(dev, 0x55, (byte) reg55 & ~w_flag); + } + + piix_tune_drive(drive, piix_dma_2_pio(speed)); + +#if PIIX_DEBUG_DRIVE_INFO + printk("%s: %s drive%d\n", drive->name, ide_xfer_verbose(speed), drive->dn); +#endif /* PIIX_DEBUG_DRIVE_INFO */ + if (!drive->init_speed) + drive->init_speed = speed; + err = ide_config_drive_speed(drive, speed); + drive->current_speed = speed; + return err; +} + +static int piix_config_drive_for_dma (ide_drive_t *drive) +{ + struct hd_driveid *id = drive->id; + ide_hwif_t *hwif = HWIF(drive); + struct pci_dev *dev = hwif->pci_dev; + byte speed; + + byte udma_66 = eighty_ninty_three(drive); + int ultra100 = ((dev->device == PCI_DEVICE_ID_INTEL_82801BA_8) || + (dev->device == PCI_DEVICE_ID_INTEL_82801BA_9) || + (dev->device == PCI_DEVICE_ID_INTEL_82801CA_10)) ? 1 : 0; + int ultra66 = ((ultra100) || + (dev->device == PCI_DEVICE_ID_INTEL_82801AA_1) || + (dev->device == PCI_DEVICE_ID_INTEL_82372FB_1)) ? 1 : 0; + int ultra = ((ultra66) || + (dev->device == PCI_DEVICE_ID_INTEL_82371AB) || + (dev->device == PCI_DEVICE_ID_INTEL_82443MX_1) || + (dev->device == PCI_DEVICE_ID_INTEL_82451NX) || + (dev->device == PCI_DEVICE_ID_INTEL_82801AB_1)) ? 1 : 0; + + if ((id->dma_ultra & 0x0020) && (udma_66) && (ultra100)) { + speed = XFER_UDMA_5; + } else if ((id->dma_ultra & 0x0010) && (ultra)) { + speed = ((udma_66) && (ultra66)) ? XFER_UDMA_4 : XFER_UDMA_2; + } else if ((id->dma_ultra & 0x0008) && (ultra)) { + speed = ((udma_66) && (ultra66)) ? XFER_UDMA_3 : XFER_UDMA_1; + } else if ((id->dma_ultra & 0x0004) && (ultra)) { + speed = XFER_UDMA_2; + } else if ((id->dma_ultra & 0x0002) && (ultra)) { + speed = XFER_UDMA_1; + } else if ((id->dma_ultra & 0x0001) && (ultra)) { + speed = XFER_UDMA_0; + } else if (id->dma_mword & 0x0004) { + speed = XFER_MW_DMA_2; + } else if (id->dma_mword & 0x0002) { + speed = XFER_MW_DMA_1; + } else if (id->dma_1word & 0x0004) { + speed = XFER_SW_DMA_2; + } else { + speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5, NULL); + } + + (void) piix_tune_chipset(drive, speed); + + return ((int) ((id->dma_ultra >> 11) & 7) ? ide_dma_on : + ((id->dma_ultra >> 8) & 7) ? ide_dma_on : + ((id->dma_mword >> 8) & 7) ? ide_dma_on : + ((id->dma_1word >> 8) & 7) ? ide_dma_on : + ide_dma_off_quietly); +} + +static void config_chipset_for_pio (ide_drive_t *drive) +{ + piix_tune_drive(drive, ide_get_best_pio_mode(drive, 255, 5, NULL)); +} + +static int config_drive_xfer_rate (ide_drive_t *drive) +{ + struct hd_driveid *id = drive->id; + ide_dma_action_t dma_func = ide_dma_on; + + if (id && (id->capability & 1) && HWIF(drive)->autodma) { + /* Consult the list of known "bad" drives */ + if (ide_dmaproc(ide_dma_bad_drive, drive)) { + dma_func = ide_dma_off; + goto fast_ata_pio; + } + dma_func = ide_dma_off_quietly; + if (id->field_valid & 4) { + if (id->dma_ultra & 0x002F) { + /* Force if Capable UltraDMA */ + dma_func = piix_config_drive_for_dma(drive); + if ((id->field_valid & 2) && + (dma_func != ide_dma_on)) + goto try_dma_modes; + } + } else if (id->field_valid & 2) { +try_dma_modes: + if ((id->dma_mword & 0x0007) || + (id->dma_1word & 0x007)) { + /* Force if Capable regular DMA modes */ + dma_func = piix_config_drive_for_dma(drive); + if (dma_func != ide_dma_on) + goto no_dma_set; + } + } else if (ide_dmaproc(ide_dma_good_drive, drive)) { + if (id->eide_dma_time > 150) { + goto no_dma_set; + } + /* Consult the list of known "good" drives */ + dma_func = piix_config_drive_for_dma(drive); + if (dma_func != ide_dma_on) + goto no_dma_set; + } else { + goto fast_ata_pio; + } + } else if ((id->capability & 8) || (id->field_valid & 2)) { +fast_ata_pio: + dma_func = ide_dma_off_quietly; +no_dma_set: + config_chipset_for_pio(drive); + } + return HWIF(drive)->dmaproc(dma_func, drive); +} + +static int piix_dmaproc(ide_dma_action_t func, ide_drive_t *drive) +{ + switch (func) { + case ide_dma_check: + return config_drive_xfer_rate(drive); + default : + break; + } + /* Other cases are done by generic IDE-DMA code. */ + return ide_dmaproc(func, drive); +} +#endif /* defined(CONFIG_BLK_DEV_IDEDMA) && (CONFIG_PIIX_TUNING) */ + +unsigned int __init pci_init_piix (struct pci_dev *dev, const char *name) +{ +#if defined(DISPLAY_PIIX_TIMINGS) && defined(CONFIG_PROC_FS) + if (!piix_proc) { + piix_proc = 1; + bmide_dev = dev; + piix_display_info = &piix_get_info; + } +#endif /* DISPLAY_PIIX_TIMINGS && CONFIG_PROC_FS */ + return 0; +} + +/* + * Sheesh, someone at Intel needs to go read the ATA-4/5 T13 standards. + * It does not specify device detection, but channel!!! + * You determine later if bit 13 of word93 is set... + */ +unsigned int __init ata66_piix (ide_hwif_t *hwif) +{ + byte reg54h = 0, reg55h = 0, ata66 = 0; + byte mask = hwif->channel ? 0xc0 : 0x30; + + pci_read_config_byte(hwif->pci_dev, 0x54, ®54h); + pci_read_config_byte(hwif->pci_dev, 0x55, ®55h); + + ata66 = (reg54h & mask) ? 1 : 0; + + return ata66; +} + +void __init ide_init_piix (ide_hwif_t *hwif) +{ +#ifndef CONFIG_IA64 + if (!hwif->irq) + hwif->irq = hwif->channel ? 15 : 14; +#endif /* CONFIG_IA64 */ + + if (hwif->pci_dev->device == PCI_DEVICE_ID_INTEL_82371MX) { + /* This is a painful system best to let it self tune for now */ + return; + } + + hwif->tuneproc = &piix_tune_drive; + hwif->drives[0].autotune = 1; + hwif->drives[1].autotune = 1; + + if (!hwif->dma_base) + return; + +#ifndef CONFIG_BLK_DEV_IDEDMA + hwif->autodma = 0; +#else /* CONFIG_BLK_DEV_IDEDMA */ +#ifdef CONFIG_PIIX_TUNING + if (!noautodma) + hwif->autodma = 1; + hwif->dmaproc = &piix_dmaproc; + hwif->speedproc = &piix_tune_chipset; +#endif /* CONFIG_PIIX_TUNING */ +#endif /* !CONFIG_BLK_DEV_IDEDMA */ +} |