fixup-atlas.c 2.9 KB

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  1. /*
  2. * Copyright (C) 2003, 2004 Ralf Baechle (ralf@linux-mips.org)
  3. * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
  4. * Author: Maciej W. Rozycki <macro@mips.com>
  5. *
  6. * This program is free software; you can distribute it and/or modify it
  7. * under the terms of the GNU General Public License (Version 2) as
  8. * published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope it will be useful, but WITHOUT
  11. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  13. * for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License along
  16. * with this program; if not, write to the Free Software Foundation, Inc.,
  17. * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  18. */
  19. #include <linux/config.h>
  20. #include <linux/init.h>
  21. #include <linux/pci.h>
  22. #include <asm/mips-boards/atlasint.h>
  23. #define PCIA ATLASINT_PCIA
  24. #define PCIB ATLASINT_PCIB
  25. #define PCIC ATLASINT_PCIC
  26. #define PCID ATLASINT_PCID
  27. #define INTA ATLASINT_INTA
  28. #define INTB ATLASINT_INTB
  29. #define ETH ATLASINT_ETH
  30. #define INTC ATLASINT_INTC
  31. #define SCSI ATLASINT_SCSI
  32. #define INTD ATLASINT_INTD
  33. static char irq_tab[][5] __initdata = {
  34. /* INTA INTB INTC INTD */
  35. {0, 0, 0, 0, 0 }, /* 0: Unused */
  36. {0, 0, 0, 0, 0 }, /* 1: Unused */
  37. {0, 0, 0, 0, 0 }, /* 2: Unused */
  38. {0, 0, 0, 0, 0 }, /* 3: Unused */
  39. {0, 0, 0, 0, 0 }, /* 4: Unused */
  40. {0, 0, 0, 0, 0 }, /* 5: Unused */
  41. {0, 0, 0, 0, 0 }, /* 6: Unused */
  42. {0, 0, 0, 0, 0 }, /* 7: Unused */
  43. {0, 0, 0, 0, 0 }, /* 8: Unused */
  44. {0, 0, 0, 0, 0 }, /* 9: Unused */
  45. {0, 0, 0, 0, 0 }, /* 10: Unused */
  46. {0, 0, 0, 0, 0 }, /* 11: Unused */
  47. {0, 0, 0, 0, 0 }, /* 12: Unused */
  48. {0, 0, 0, 0, 0 }, /* 13: Unused */
  49. {0, 0, 0, 0, 0 }, /* 14: Unused */
  50. {0, PCIA, PCIB, PCIC, PCID }, /* 15: cPCI (behind 21150) */
  51. {0, SCSI, 0, 0, 0 }, /* 16: SYM53C810A SCSI */
  52. {0, 0, 0, 0, 0 }, /* 17: Core */
  53. {0, INTA, INTB, INTC, INTD }, /* 18: PCI Slot */
  54. {0, ETH, 0, 0, 0 }, /* 19: SAA9730 Eth. et al. */
  55. {0, 0, 0, 0, 0 }, /* 20: Unused */
  56. {0, 0, 0, 0, 0 } /* 21: Unused */
  57. };
  58. int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  59. {
  60. return irq_tab[slot][pin];
  61. }
  62. /* Do platform specific device initialization at pci_enable_device() time */
  63. int pcibios_plat_dev_init(struct pci_dev *dev)
  64. {
  65. return 0;
  66. }
  67. #ifdef CONFIG_KGDB
  68. /*
  69. * The PCI scan may have moved the saa9730 I/O address, so reread
  70. * the address here.
  71. * This does mean that it's not possible to debug the PCI bus configuration
  72. * code, but it is better than nothing...
  73. */
  74. static void atlas_saa9730_base_fixup (struct pci_dev *pdev)
  75. {
  76. extern void *saa9730_base;
  77. if (pdev->bus == 0 && PCI_SLOT(pdev->devfn) == 19)
  78. (void) pci_read_config_dword (pdev, 0x14, (u32 *)&saa9730_base);
  79. printk ("saa9730_base = %x\n", saa9730_base);
  80. }
  81. DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
  82. atlas_saa9730_base_fixup);
  83. #endif