arch/mips/pci/fixup-atlas.c

   1 #include <linux/config.h>
   2 #include <linux/init.h>
   3 #include <linux/pci.h>
   4 #include <asm/mips-boards/atlasint.h>
   5
   6 #define INTD            ATLASINT_INTD
   7 #define INTC            ATLASINT_INTC
   8 #define INTB            ATLASINT_INTB
   9 #define INTA            ATLASINT_INTA
  10 #define SCSI            ATLASINT_SCSI
  11 #define ETH             ATLASINT_ETH
  12
  13 static char irq_tab[][5] __initdata = {
  14         /*      INTA    INTB    INTC    INTD */
  15         {0,     0,      0,      0,      0 },    /*  0: Unused */
  16         {0,     0,      0,      0,      0 },    /*  1: Unused */
  17         {0,     0,      0,      0,      0 },    /*  2: Unused */
  18         {0,     0,      0,      0,      0 },    /*  3: Unused */
  19         {0,     0,      0,      0,      0 },    /*  4: Unused */
  20         {0,     0,      0,      0,      0 },    /*  5: Unused */
  21         {0,     0,      0,      0,      0 },    /*  6: Unused */
  22         {0,     0,      0,      0,      0 },    /*  7: Unused */
  23         {0,     0,      0,      0,      0 },    /*  8: Unused */
  24         {0,     0,      0,      0,      0 },    /*  9: Unused */
  25         {0,     0,      0,      0,      0 },    /* 10: Unused */
  26         {0,     0,      0,      0,      0 },    /* 11: Unused */
  27         {0,     0,      0,      0,      0 },    /* 12: Unused */
  28         {0,     0,      0,      0,      0 },    /* 13: Unused */
  29         {0,     0,      0,      0,      0 },    /* 14: Unused */
  30         {0,     0,      0,      0,      0 },    /* 15: Unused */
  31         {0,     SCSI,   0,      0,      0 },    /* 16: SYM53C810A SCSI */
  32         {0,     0,      0,      0,      0 },    /* 17: Core */
  33         {0,     INTA,   INTB,   INTC,   INTD }, /* 18: PCI Slot 1 */
  34         {0,     ETH,    0,      0,      0 },    /* 19: SAA9730 Ethernet */
  35         {0,     0,      0,      0,      0 },    /* 20: PCI Slot 3 */
  36         {0,     0,      0,      0,      0 }     /* 21: PCI Slot 4 */
  37 };
  38
  39 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  40 {
  41         return irq_tab[slot][pin];
  42 }
  43
  44 /* Do platform specific device initialization at pci_enable_device() time */
  45 int pcibios_plat_dev_init(struct pci_dev *dev)
  46 {
  47         return 0;
  48 }
  49
  50 #ifdef CONFIG_KGDB
  51 /*
  52  * The PCI scan may have moved the saa9730 I/O address, so reread
  53  * the address here.
  54  * This does mean that it's not possible to debug the PCI bus configuration
  55  * code, but it is better than nothing...
  56  */
  57
  58 static void atlas_saa9730_base_fixup (struct pci_dev *pdev)
  59 {
  60         extern void *saa9730_base;
  61         if (pdev->bus == 0 && PCI_SLOT(pdev->devfn) == 19)
  62                 (void) pci_read_config_dword (pdev, 0x14, (u32 *)&saa9730_base);
  63         printk ("saa9730_base = %x\n", saa9730_base);
  64 }
  65
  66 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
  67          atlas_saa9730_base_fixup);
  68
  69 #endif