drivers/block/sl82c105.c

   1 #include <linux/config.h>
   2 #include <linux/types.h>
   3 #include <linux/kernel.h>
   4 #include <linux/timer.h>
   5 #include <linux/mm.h>
   6 #include <linux/ioport.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/blkdev.h>
   9 #include <linux/hdreg.h>
  10 #include <linux/pci.h>
  11 #include <linux/ide.h>
  12
  13 #include <asm/io.h>
  14 #include <asm/dma.h>
  15
  16 #include "ide_modes.h"
  17
  18 void ide_init_sl82c105(ide_hwif_t *hwif)
  19 {
  20         struct pci_dev *dev = hwif->pci_dev;
  21         unsigned short t16;
  22         unsigned int t32;
  23         pci_read_config_word(dev, PCI_COMMAND, &t16);
  24         printk("SL82C105 command word: %x\n",t16);
  25         t16 |= PCI_COMMAND_IO;
  26         pci_write_config_word(dev, PCI_COMMAND, t16);
  27         /* IDE timing */
  28         pci_read_config_dword(dev, 0x44, &t32);
  29         printk("IDE timing: %08x, resetting to PIO0 timing\n",t32);
  30         pci_write_config_dword(dev, 0x44, 0x03e4);
  31 #ifndef CONFIG_MBX
  32         pci_read_config_dword(dev, 0x40, &t32);
  33         printk("IDE control/status register: %08x\n",t32);
  34         pci_write_config_dword(dev, 0x40, 0x10ff08a1);
  35 #endif /* CONFIG_MBX */
  36 }