DSR-1000N PCI fix

# cat 04_pci.patch
*** sys/mips/cavium/octopci.c   Sat Apr  2 13:13:27 2016
--- sys/mips/cavium/octopci.c_new       Sun Mar 27 01:09:38 2016
***************
*** 117,126 ****
                return (0);
        }

-       /* Check whether we are a PCI host.  */
-       if ((cvmx_sysinfo_get()->bootloader_config_flags & CVMX_BOOTINFO_CFG_FLAG_PCI_HOST) == 0)
-               return (ENXIO);
-
        if (device_get_unit(dev) != 0)
                return (ENXIO);

--- 130,135 ----
***************
*** 358,363 ****
--- 372,378 ----
        }

        addr = octopci_cs_addr(bus, slot, func, reg);
+       DELAY(PCI_CONFIG_SPACE_DELAY);

        switch (bytes) {
        case 4:
***************
*** 400,405 ****
--- 415,421 ----
        }

        addr = octopci_cs_addr(bus, slot, func, reg);
+       DELAY(PCI_CONFIG_SPACE_DELAY);

        switch (bytes) {
        case 4:
***************
*** 457,462 ****
--- 473,484 ----
                }
                break;
  #endif
+       case CVMX_BOARD_TYPE_CUST_DLINK_DSR500:
+       case CVMX_BOARD_TYPE_CUST_DLINK_DSR500N:
+       case CVMX_BOARD_TYPE_CUST_DLINK_DSR1000:
+       case CVMX_BOARD_TYPE_CUST_DLINK_DSR1000N:
+               return (OCTEON_IRQ_PCI_INT0 + pin + 1);
+               break;
        default:
                break;
        }
*** sys/mips/cavium/octopcivar.h        Sat Apr  2 13:13:28 2016
--- sys/mips/cavium/octopcivar.h_new    Sun Mar 27 01:09:38 2016
***************
*** 28,33 ****
--- 28,35 ----
  #ifndef       _MIPS_CAVIUM_OCTOPCIVAR_H
  #define       _MIPS_CAVIUM_OCTOPCIVAR_H

+ #define PCI_CONFIG_SPACE_DELAY 1000 /* Linux use 10000 */
+
  DECLARE_BUS_SPACE_PROTOTYPES(octopci);

  extern bus_space_tag_t octopci_bus_space;