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

   1 Index: linux-2.4.35.4/drivers/ide/pci/aec62xx.c
   2 ===================================================================
   3 --- linux-2.4.35.4.orig/drivers/ide/pci/aec62xx.c
   4 +++ linux-2.4.35.4/drivers/ide/pci/aec62xx.c
   5 @@ -3,6 +3,8 @@
   6   *
   7   * Copyright (C) 1999-2002     Andre Hedrick <andre@linux-ide.org>
   8   *
   9 + * With Broadcom 4780 patches
  10 + *
  11   */
  12
  13  #include <linux/module.h>
  14 @@ -329,7 +331,11 @@ static int aec62xx_config_drive_xfer_rat
  15         ide_hwif_t *hwif        = HWIF(drive);
  16         struct hd_driveid *id   = drive->id;
  17
  18 +#ifndef CONFIG_BCM947XX
  19         if ((id->capability & 1) && drive->autodma) {
  20 +#else
  21 +       if (1) {
  22 +#endif
  23                 /* Consult the list of known "bad" drives */
  24                 if (hwif->ide_dma_bad_drive(drive))
  25                         goto fast_ata_pio;
  26 @@ -414,10 +420,60 @@ static unsigned int __init init_chipset_
  27  {
  28         int bus_speed = system_bus_clock();
  29
  30 +#ifndef CONFIG_BCM947XX
  31         if (dev->resource[PCI_ROM_RESOURCE].start) {
  32                 pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
  33                 printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
  34         }
  35 +#else
  36 +       if (dev->resource[PCI_ROM_RESOURCE].start) {
  37 +               pci_write_config_dword(dev, PCI_ROM_ADDRESS,
  38 +                                       dev->resource[PCI_ROM_RESOURCE].
  39 +                                       start | PCI_ROM_ADDRESS_ENABLE);
  40 +       } else {
  41 +               pci_write_config_dword(dev, PCI_ROM_ADDRESS,
  42 +                                       dev->resource[PCI_ROM_RESOURCE].
  43 +                                       start);
  44 +       }
  45 +
  46 +       /* Set IDE controller parameters manually - FIXME: replace magic values */
  47 +       {
  48 +               byte setting;
  49 +
  50 +               pci_write_config_word(dev, PCI_COMMAND, 0x0007);
  51 +               //pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x5A);
  52 +               pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x13);
  53 +
  54 +               pci_write_config_byte(dev, 0x40, 0x31);
  55 +               pci_write_config_byte(dev, 0x41, 0x31);
  56 +               pci_write_config_byte(dev, 0x42, 0x31);
  57 +               pci_write_config_byte(dev, 0x43, 0x31);
  58 +               // Set IDE Command Speed
  59 +               pci_write_config_byte(dev, 0x48, 0x31);
  60 +
  61 +               // Disable WriteSubSysID & PIOROM
  62 +               pci_read_config_byte(dev, 0x49, &setting);
  63 +               setting &= 0x07;
  64 +               pci_write_config_byte(dev, 0x49, setting);
  65 +
  66 +               // Enable PCI burst & INTA & PCI memory read multiple, FIFO threshold=80
  67 +               pci_read_config_byte(dev, 0x4A, &setting);
  68 +               //setting = (setting & 0xFE) | 0xA8;
  69 +               setting = (setting & 0xFE) | 0xD8;
  70 +               setting = (setting & 0xF7);
  71 +               pci_write_config_byte(dev, 0x4A, setting);
  72 +
  73 +               //pci_write_config_byte(dev, 0x4B, 0x20);
  74 +               pci_write_config_byte(dev, 0x4B, 0x2C);
  75 +               //pci_write_config_byte(dev, 0x4B, 0x0C);
  76 +
  77 +               // Set PreRead count: 512 byte
  78 +               pci_write_config_byte(dev, 0x4C, 0);
  79 +               pci_write_config_word(dev, 0x4D, 0x0002);
  80 +               pci_write_config_byte(dev, 0x54, 0);
  81 +               pci_write_config_word(dev, 0x55, 0x0002);
  82 +       }
  83 +#endif
  84
  85  #if defined(DISPLAY_AEC62XX_TIMINGS) && defined(CONFIG_PROC_FS)
  86         aec_devs[n_aec_devs++] = dev;
  87 @@ -500,6 +556,7 @@ static void __init init_setup_aec62xx (s
  88
  89  static void __init init_setup_aec6x80 (struct pci_dev *dev, ide_pci_device_t *d)
  90  {
  91 +#ifndef CONFIG_BCM947XX /* Causes OOPS on BCM4780 */
  92         unsigned long bar4reg = pci_resource_start(dev, 4);
  93
  94         if (inb(bar4reg+2) & 0x10) {
  95 @@ -512,6 +569,7 @@ static void __init init_setup_aec6x80 (s
  96                         strcpy(d->name, "AEC6280R");
  97         }
  98
  99 +#endif
 100         ide_setup_pci_device(dev, d);
 101  }
 102