1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/blkdev.h>
#include <linux/hdreg.h>
#include <linux/pci.h>
#include <asm/io.h>
#include <asm/dma.h>
#include "ide.h"
#include "ide_modes.h"
void ide_init_sl82c105(ide_hwif_t *hwif)
{
struct pci_dev *dev = hwif->pci_dev;
unsigned short t16;
unsigned int t32;
pci_read_config_word(dev, PCI_COMMAND, &t16);
printk("SL82C105 command word: %x\n",t16);
t16 |= PCI_COMMAND_IO;
pci_write_config_word(dev, PCI_COMMAND, t16);
/* IDE timing */
pci_read_config_dword(dev, 0x44, &t32);
printk("IDE timing: %08x, resetting to PIO0 timing\n",t32);
pci_write_config_dword(dev, 0x44, 0x03e4);
pci_read_config_dword(dev, 0x40, &t32);
printk("IDE control/status register: %08x\n",t32);
pci_write_config_dword(dev, 0x40, 0x10ff08a1);
}
|
