armada-370-xp.c 1.8 KB

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  1. /*
  2. * Device Tree support for Armada 370 and XP platforms.
  3. *
  4. * Copyright (C) 2012 Marvell
  5. *
  6. * Lior Amsalem <alior@marvell.com>
  7. * Gregory CLEMENT <gregory.clement@free-electrons.com>
  8. * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
  9. *
  10. * This file is licensed under the terms of the GNU General Public
  11. * License version 2. This program is licensed "as is" without any
  12. * warranty of any kind, whether express or implied.
  13. */
  14. #include <linux/kernel.h>
  15. #include <linux/init.h>
  16. #include <linux/of_platform.h>
  17. #include <linux/io.h>
  18. #include <linux/time-armada-370-xp.h>
  19. #include <linux/clk/mvebu.h>
  20. #include <asm/mach/arch.h>
  21. #include <asm/mach/map.h>
  22. #include <asm/mach/time.h>
  23. #include "armada-370-xp.h"
  24. #include "common.h"
  25. static struct map_desc armada_370_xp_io_desc[] __initdata = {
  26. {
  27. .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE,
  28. .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE),
  29. .length = ARMADA_370_XP_REGS_SIZE,
  30. .type = MT_DEVICE,
  31. },
  32. };
  33. void __init armada_370_xp_map_io(void)
  34. {
  35. iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc));
  36. }
  37. void __init armada_370_xp_timer_and_clk_init(void)
  38. {
  39. mvebu_clocks_init();
  40. armada_370_xp_timer_init();
  41. }
  42. struct sys_timer armada_370_xp_timer = {
  43. .init = armada_370_xp_timer_and_clk_init,
  44. };
  45. static void __init armada_370_xp_dt_init(void)
  46. {
  47. of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  48. }
  49. static const char * const armada_370_xp_dt_board_dt_compat[] = {
  50. "marvell,a370-db",
  51. "marvell,axp-db",
  52. NULL,
  53. };
  54. DT_MACHINE_START(ARMADA_XP_DT, "Marvell Aramada 370/XP (Device Tree)")
  55. .init_machine = armada_370_xp_dt_init,
  56. .map_io = armada_370_xp_map_io,
  57. .init_irq = armada_370_xp_init_irq,
  58. .handle_irq = armada_370_xp_handle_irq,
  59. .timer = &armada_370_xp_timer,
  60. .restart = mvebu_restart,
  61. .dt_compat = armada_370_xp_dt_board_dt_compat,
  62. MACHINE_END