/arch/arm/mach-msm/board-dt.c

https://github.com/AICP/kernel_google_msm · C · 90 lines · 67 code · 12 blank · 11 comment · 7 complexity · c10c59f06d16e9456a8947458809994c MD5 · raw file 

    

  1. /* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
    2. 

  2.  *
    3. 

  3.  * This program is free software; you can redistribute it and/or modify
    4. 

  4.  * it under the terms of the GNU General Public License version 2 and
    5. 

  5.  * only version 2 as published by the Free Software Foundation.
    6. 

  6.  *
    7. 

  7.  * This program is distributed in the hope that it will be useful,
    8. 

  8.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    9. 

  9.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    10. 

  10.  * GNU General Public License for more details.
    11. 

  11.  */
    12. 

  12. 

  13. #include <linux/kernel.h>
    14. 

  14. #include <linux/errno.h>
    15. 

  15. #include <linux/of.h>
    16. 

  16. #include <linux/of_address.h>
    17. 

  17. #include <linux/of_platform.h>
    18. 

  18. #include <linux/of_fdt.h>
    19. 

  19. #include <linux/of_irq.h>
    20. 

  20. #include <asm/hardware/gic.h>
    21. 

  21. #include <asm/arch_timer.h>
    22. 

  22. #include <asm/mach/arch.h>
    23. 

  23. #include <asm/mach/time.h>
    24. 

  24. #include <mach/socinfo.h>
    25. 

  25. #include <mach/board.h>
    26. 

  26. 

  27. static void __init msm_dt_timer_init(void)
    28. 

  28. {
    29. 

  29. 	arch_timer_of_register();
    30. 

  30. }
    31. 

  31. 

  32. static struct sys_timer msm_dt_timer = {
    33. 

  33. 	.init = msm_dt_timer_init
    34. 

  34. };
    35. 

  35. 

  36. static void __init msm_dt_init_irq(void)
    37. 

  37. {
    38. 

  38. 	if (machine_is_msm8974())
    39. 

  39. 		msm_8974_init_irq();
    40. 

  40. }
    41. 

  41. 

  42. static void __init msm_dt_map_io(void)
    43. 

  43. {
    44. 

  44. 	if (early_machine_is_msm8974())
    45. 

  45. 		msm_map_8974_io();
    46. 

  46. 	if (socinfo_init() < 0)
    47. 

  47. 		pr_err("%s: socinfo_init() failed\n", __func__);
    48. 

  48. }
    49. 

  49. 

  50. static void __init msm_dt_init(void)
    51. 

  51. {
    52. 

  52. 	struct of_dev_auxdata *adata = NULL;
    53. 

  53. 

  54. 	if (machine_is_msm8974())
    55. 

  55. 		msm_8974_init(&adata);
    56. 

  56. 

  57. 	of_platform_populate(NULL, of_default_bus_match_table, adata, NULL);
    58. 

  58. 	if (machine_is_msm8974()) {
    59. 

  59. 		msm_8974_add_devices();
    60. 

  60. 		msm_8974_add_drivers();
    61. 

  61. 	}
    62. 

  62. }
    63. 

  63. 

  64. static const char *msm_dt_match[] __initconst = {
    65. 

  65. 	"qcom,msm8974",
    66. 

  66. 	NULL
    67. 

  67. };
    68. 

  68. 

  69. static void __init msm_dt_reserve(void)
    70. 

  70. {
    71. 

  71. 	if (early_machine_is_msm8974())
    72. 

  72. 		msm_8974_reserve();
    73. 

  73. }
    74. 

  74. 

  75. static void __init msm_dt_init_very_early(void)
    76. 

  76. {
    77. 

  77. 	if (early_machine_is_msm8974())
    78. 

  78. 		msm_8974_very_early();
    79. 

  79. }
    80. 

  80. 

  81. DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
    82. 

  82. 	.map_io = msm_dt_map_io,
    83. 

  83. 	.init_irq = msm_dt_init_irq,
    84. 

  84. 	.init_machine = msm_dt_init,
    85. 

  85. 	.handle_irq = gic_handle_irq,
    86. 

  86. 	.timer = &msm_dt_timer,
    87. 

  87. 	.dt_compat = msm_dt_match,
    88. 

  88. 	.reserve = msm_dt_reserve,
    89. 

  89. 	.init_very_early = msm_dt_init_very_early,
    90. 

  90. MACHINE_END
    91.