espresso.c 2.2 KB

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  1. /*
  2. * arch/arm/mach-ixp23xx/espresso.c
  3. *
  4. * Double Espresso-specific routines
  5. *
  6. * Author: Lennert Buytenhek <buytenh@wantstofly.org>
  7. *
  8. * This file is licensed under the terms of the GNU General Public
  9. * License version 2. This program is licensed "as is" without any
  10. * warranty of any kind, whether express or implied.
  11. */
  12. #include <linux/kernel.h>
  13. #include <linux/init.h>
  14. #include <linux/spinlock.h>
  15. #include <linux/sched.h>
  16. #include <linux/interrupt.h>
  17. #include <linux/serial.h>
  18. #include <linux/tty.h>
  19. #include <linux/bitops.h>
  20. #include <linux/ioport.h>
  21. #include <linux/serial.h>
  22. #include <linux/serial_8250.h>
  23. #include <linux/serial_core.h>
  24. #include <linux/device.h>
  25. #include <linux/mm.h>
  26. #include <linux/pci.h>
  27. #include <linux/mtd/physmap.h>
  28. #include <asm/types.h>
  29. #include <asm/setup.h>
  30. #include <asm/memory.h>
  31. #include <asm/hardware.h>
  32. #include <asm/mach-types.h>
  33. #include <asm/irq.h>
  34. #include <asm/system.h>
  35. #include <asm/tlbflush.h>
  36. #include <asm/pgtable.h>
  37. #include <asm/mach/map.h>
  38. #include <asm/mach/irq.h>
  39. #include <asm/mach/arch.h>
  40. #include <asm/mach/irq.h>
  41. #include <asm/mach/pci.h>
  42. static int __init espresso_pci_init(void)
  43. {
  44. if (machine_is_espresso())
  45. ixp23xx_pci_slave_init();
  46. return 0;
  47. };
  48. subsys_initcall(espresso_pci_init);
  49. static struct physmap_flash_data espresso_flash_data = {
  50. .width = 2,
  51. };
  52. static struct resource espresso_flash_resource = {
  53. .start = 0x90000000,
  54. .end = 0x91ffffff,
  55. .flags = IORESOURCE_MEM,
  56. };
  57. static struct platform_device espresso_flash = {
  58. .name = "physmap-flash",
  59. .id = 0,
  60. .dev = {
  61. .platform_data = &espresso_flash_data,
  62. },
  63. .num_resources = 1,
  64. .resource = &espresso_flash_resource,
  65. };
  66. static void __init espresso_init(void)
  67. {
  68. platform_device_register(&espresso_flash);
  69. /*
  70. * Mark flash as writeable.
  71. */
  72. IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
  73. IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
  74. ixp23xx_sys_init();
  75. }
  76. MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
  77. /* Maintainer: Lennert Buytenhek */
  78. .phys_io = IXP23XX_PERIPHERAL_PHYS,
  79. .io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
  80. .map_io = ixp23xx_map_io,
  81. .init_irq = ixp23xx_init_irq,
  82. .timer = &ixp23xx_timer,
  83. .boot_params = 0x00000100,
  84. .init_machine = espresso_init,
  85. MACHINE_END