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mach-ixp4xx
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gateway7001-pci.c

gateway7001-pci.c 1.5 KB
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  1. /*
    2. 

  2.  * arch/arch/mach-ixp4xx/gateway7001-pci.c
    3. 

  3.  *
    4. 

  4.  * PCI setup routines for Gateway 7001
    5. 

  5.  *
    6. 

  6.  * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
    7. 

  7.  *
    8. 

  8.  * based on coyote-pci.c:
    9. 

  9.  *	Copyright (C) 2002 Jungo Software Technologies.
    10. 

  10.  *	Copyright (C) 2003 MontaVista Softwrae, Inc.
    11. 

  11.  *
    12. 

  12.  * Maintainer: Imre Kaloz <kaloz@openwrt.org>
    13. 

  13.  *
    14. 

  14.  * This program is free software; you can redistribute it and/or modify
    15. 

  15.  * it under the terms of the GNU General Public License version 2 as
    16. 

  16.  * published by the Free Software Foundation.
    17. 

  17.  *
    18. 

  18.  */
    19. 

  19. 

  20. #include <linux/kernel.h>
    21. 

  21. #include <linux/pci.h>
    22. 

  22. #include <linux/init.h>
    23. 

  23. #include <linux/irq.h>
    24. 

  24. 

  25. #include <asm/mach-types.h>
    26. 

  26. #include <mach/hardware.h>
    27. 

  27. 

  28. #include <asm/mach/pci.h>
    29. 

  29. 

  30. void __init gateway7001_pci_preinit(void)
    31. 

  31. {
    32. 

  32. 	irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
    33. 

  33. 	irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
    34. 

  34. 

  35. 	ixp4xx_pci_preinit();
    36. 

  36. }
    37. 

  37. 

  38. static int __init gateway7001_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
    39. 

  39. {
    40. 

  40. 	if (slot == 1)
    41. 

  41. 		return IRQ_IXP4XX_GPIO11;
    42. 

  42. 	else if (slot == 2)
    43. 

  43. 		return IRQ_IXP4XX_GPIO10;
    44. 

  44. 	else return -1;
    45. 

  45. }
    46. 

  46. 

  47. struct hw_pci gateway7001_pci __initdata = {
    48. 

  48. 	.nr_controllers = 1,
    49. 

  49. 	.preinit =        gateway7001_pci_preinit,
    50. 

  50. 	.swizzle =        pci_std_swizzle,
    51. 

  51. 	.setup =          ixp4xx_setup,
    52. 

  52. 	.scan =           ixp4xx_scan_bus,
    53. 

  53. 	.map_irq =        gateway7001_map_irq,
    54. 

  54. };
    55. 

  55. 

  56. int __init gateway7001_pci_init(void)
    57. 

  57. {
    58. 

  58. 	if (machine_is_gateway7001())
    59. 

  59. 		pci_common_init(&gateway7001_pci);
    60. 

  60. 	return 0;
    61. 

  61. }
    62. 

  62. 

  63. subsys_initcall(gateway7001_pci_init);
    64. 

  64.