setup-sh73a0.c 1.9 KB

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  1. /*
  2. * sh73a0 processor support
  3. *
  4. * Copyright (C) 2010 Takashi Yoshii
  5. * Copyright (C) 2010 Magnus Damm
  6. * Copyright (C) 2008 Yoshihiro Shimoda
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; version 2 of the License.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. */
  17. #include <linux/kernel.h>
  18. #include <linux/init.h>
  19. #include <linux/interrupt.h>
  20. #include <linux/irq.h>
  21. #include <linux/delay.h>
  22. #include <linux/input.h>
  23. #include <linux/io.h>
  24. #include <asm/hardware/cache-l2x0.h>
  25. #include <asm/mach/map.h>
  26. #include <asm/mach/arch.h>
  27. #include <asm/mach/time.h>
  28. #include "common.h"
  29. #include "sh73a0.h"
  30. static struct map_desc sh73a0_io_desc[] __initdata = {
  31. /* create a 1:1 identity mapping for 0xe6xxxxxx
  32. * used by CPGA, INTC and PFC.
  33. */
  34. {
  35. .virtual = 0xe6000000,
  36. .pfn = __phys_to_pfn(0xe6000000),
  37. .length = 256 << 20,
  38. .type = MT_DEVICE_NONSHARED
  39. },
  40. };
  41. static void __init sh73a0_map_io(void)
  42. {
  43. debug_ll_io_init();
  44. iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
  45. }
  46. static void __init sh73a0_generic_init(void)
  47. {
  48. #ifdef CONFIG_CACHE_L2X0
  49. /* Shared attribute override enable, 64K*8way */
  50. l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
  51. #endif
  52. }
  53. static const char *const sh73a0_boards_compat_dt[] __initconst = {
  54. "renesas,sh73a0",
  55. NULL,
  56. };
  57. DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
  58. .smp = smp_ops(sh73a0_smp_ops),
  59. .map_io = sh73a0_map_io,
  60. .init_early = shmobile_init_delay,
  61. .init_machine = sh73a0_generic_init,
  62. .init_late = shmobile_init_late,
  63. .dt_compat = sh73a0_boards_compat_dt,
  64. MACHINE_END