target/linux/brcm-2.4/patches/012-aec62xx.patch

   1 --- a/drivers/ide/pci/aec62xx.c
   2 +++ b/drivers/ide/pci/aec62xx.c
   3 @@ -3,6 +3,8 @@
   4   *
   5   * Copyright (C) 1999-2002     Andre Hedrick <andre@linux-ide.org>
   6   *
   7 + * With Broadcom 4780 patches
   8 + *
   9   */
  10
  11  #include <linux/module.h>
  12 @@ -329,7 +331,11 @@ static int aec62xx_config_drive_xfer_rat
  13         ide_hwif_t *hwif        = HWIF(drive);
  14         struct hd_driveid *id   = drive->id;
  15
  16 +#ifndef CONFIG_BCM947XX
  17         if ((id->capability & 1) && drive->autodma) {
  18 +#else
  19 +       if (1) {
  20 +#endif
  21                 /* Consult the list of known "bad" drives */
  22                 if (hwif->ide_dma_bad_drive(drive))
  23                         goto fast_ata_pio;
  24 @@ -414,10 +420,60 @@ static unsigned int __init init_chipset_
  25  {
  26         int bus_speed = system_bus_clock();
  27
  28 +#ifndef CONFIG_BCM947XX
  29         if (dev->resource[PCI_ROM_RESOURCE].start) {
  30                 pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
  31                 printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
  32         }
  33 +#else
  34 +       if (dev->resource[PCI_ROM_RESOURCE].start) {
  35 +               pci_write_config_dword(dev, PCI_ROM_ADDRESS,
  36 +                                       dev->resource[PCI_ROM_RESOURCE].
  37 +                                       start | PCI_ROM_ADDRESS_ENABLE);
  38 +       } else {
  39 +               pci_write_config_dword(dev, PCI_ROM_ADDRESS,
  40 +                                       dev->resource[PCI_ROM_RESOURCE].
  41 +                                       start);
  42 +       }
  43 +
  44 +       /* Set IDE controller parameters manually - FIXME: replace magic values */
  45 +       {
  46 +               byte setting;
  47 +
  48 +               pci_write_config_word(dev, PCI_COMMAND, 0x0007);
  49 +               //pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x5A);
  50 +               pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x13);
  51 +
  52 +               pci_write_config_byte(dev, 0x40, 0x31);
  53 +               pci_write_config_byte(dev, 0x41, 0x31);
  54 +               pci_write_config_byte(dev, 0x42, 0x31);
  55 +               pci_write_config_byte(dev, 0x43, 0x31);
  56 +               // Set IDE Command Speed
  57 +               pci_write_config_byte(dev, 0x48, 0x31);
  58 +
  59 +               // Disable WriteSubSysID & PIOROM
  60 +               pci_read_config_byte(dev, 0x49, &setting);
  61 +               setting &= 0x07;
  62 +               pci_write_config_byte(dev, 0x49, setting);
  63 +
  64 +               // Enable PCI burst & INTA & PCI memory read multiple, FIFO threshold=80
  65 +               pci_read_config_byte(dev, 0x4A, &setting);
  66 +               //setting = (setting & 0xFE) | 0xA8;
  67 +               setting = (setting & 0xFE) | 0xD8;
  68 +               setting = (setting & 0xF7);
  69 +               pci_write_config_byte(dev, 0x4A, setting);
  70 +
  71 +               //pci_write_config_byte(dev, 0x4B, 0x20);
  72 +               pci_write_config_byte(dev, 0x4B, 0x2C);
  73 +               //pci_write_config_byte(dev, 0x4B, 0x0C);
  74 +
  75 +               // Set PreRead count: 512 byte
  76 +               pci_write_config_byte(dev, 0x4C, 0);
  77 +               pci_write_config_word(dev, 0x4D, 0x0002);
  78 +               pci_write_config_byte(dev, 0x54, 0);
  79 +               pci_write_config_word(dev, 0x55, 0x0002);
  80 +       }
  81 +#endif
  82
  83  #if defined(DISPLAY_AEC62XX_TIMINGS) && defined(CONFIG_PROC_FS)
  84         aec_devs[n_aec_devs++] = dev;
  85 @@ -500,6 +556,7 @@ static void __init init_setup_aec62xx (s
  86
  87  static void __init init_setup_aec6x80 (struct pci_dev *dev, ide_pci_device_t *d)
  88  {
  89 +#ifndef CONFIG_BCM947XX /* Causes OOPS on BCM4780 */
  90         unsigned long bar4reg = pci_resource_start(dev, 4);
  91
  92         if (inb(bar4reg+2) & 0x10) {
  93 @@ -512,6 +569,7 @@ static void __init init_setup_aec6x80 (s
  94                         strcpy(d->name, "AEC6280R");
  95         }
  96
  97 +#endif
  98         ide_setup_pci_device(dev, d);
  99  }
 100