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linux-libre
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arch
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arm
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mach-at91
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sama5.c

sama5.c 2.7 KB
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  1. /*
    2. 

  2.  *  Setup code for SAMA5
    3. 

  3.  *
    4. 

  4.  *  Copyright (C) 2013 Atmel,
    5. 

  5.  *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
    6. 

  6.  *
    7. 

  7.  * Licensed under GPLv2 or later.
    8. 

  8.  */
    9. 

  9. 

  10. #include <linux/of.h>
    11. 

  11. #include <linux/of_platform.h>
    12. 

  12. 

  13. #include <asm/mach/arch.h>
    14. 

  14. #include <asm/mach/map.h>
    15. 

  15. #include <asm/system_misc.h>
    16. 

  16. 

  17. #include "generic.h"
    18. 

  18. #include "soc.h"
    19. 

  19. 

  20. static const struct at91_soc sama5_socs[] = {
    21. 

  21. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D21CU_EXID_MATCH,
    22. 

  22. 		 "sama5d21", "sama5d2"),
    23. 

  23. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D22CU_EXID_MATCH,
    24. 

  24. 		 "sama5d22", "sama5d2"),
    25. 

  25. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D23CU_EXID_MATCH,
    26. 

  26. 		 "sama5d23", "sama5d2"),
    27. 

  27. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D24CX_EXID_MATCH,
    28. 

  28. 		 "sama5d24", "sama5d2"),
    29. 

  29. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D24CU_EXID_MATCH,
    30. 

  30. 		 "sama5d24", "sama5d2"),
    31. 

  31. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D26CU_EXID_MATCH,
    32. 

  32. 		 "sama5d26", "sama5d2"),
    33. 

  33. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27CU_EXID_MATCH,
    34. 

  34. 		 "sama5d27", "sama5d2"),
    35. 

  35. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27CN_EXID_MATCH,
    36. 

  36. 		 "sama5d27", "sama5d2"),
    37. 

  37. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D28CU_EXID_MATCH,
    38. 

  38. 		 "sama5d28", "sama5d2"),
    39. 

  39. 	AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D28CN_EXID_MATCH,
    40. 

  40. 		 "sama5d28", "sama5d2"),
    41. 

  41. 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D31_EXID_MATCH,
    42. 

  42. 		 "sama5d31", "sama5d3"),
    43. 

  43. 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D33_EXID_MATCH,
    44. 

  44. 		 "sama5d33", "sama5d3"),
    45. 

  45. 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D34_EXID_MATCH,
    46. 

  46. 		 "sama5d34", "sama5d3"),
    47. 

  47. 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D35_EXID_MATCH,
    48. 

  48. 		 "sama5d35", "sama5d3"),
    49. 

  49. 	AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D36_EXID_MATCH,
    50. 

  50. 		 "sama5d36", "sama5d3"),
    51. 

  51. 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D41_EXID_MATCH,
    52. 

  52. 		 "sama5d41", "sama5d4"),
    53. 

  53. 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D42_EXID_MATCH,
    54. 

  54. 		 "sama5d42", "sama5d4"),
    55. 

  55. 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D43_EXID_MATCH,
    56. 

  56. 		 "sama5d43", "sama5d4"),
    57. 

  57. 	AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D44_EXID_MATCH,
    58. 

  58. 		 "sama5d44", "sama5d4"),
    59. 

  59. 	{ /* sentinel */ },
    60. 

  60. };
    61. 

  61. 

  62. static void __init sama5_dt_device_init(void)
    63. 

  63. {
    64. 

  64. 	struct soc_device *soc;
    65. 

  65. 	struct device *soc_dev = NULL;
    66. 

  66. 

  67. 	soc = at91_soc_init(sama5_socs);
    68. 

  68. 	if (soc != NULL)
    69. 

  69. 		soc_dev = soc_device_to_device(soc);
    70. 

  70. 

  71. 	of_platform_default_populate(NULL, NULL, soc_dev);
    72. 

  72. 	sama5_pm_init();
    73. 

  73. }
    74. 

  74. 

  75. static const char *const sama5_dt_board_compat[] __initconst = {
    76. 

  76. 	"atmel,sama5",
    77. 

  77. 	NULL
    78. 

  78. };
    79. 

  79. 

  80. DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
    81. 

  81. 	/* Maintainer: Atmel */
    82. 

  82. 	.init_machine	= sama5_dt_device_init,
    83. 

  83. 	.dt_compat	= sama5_dt_board_compat,
    84. 

  84. MACHINE_END
    85. 

  85. 

  86. static const char *const sama5_alt_dt_board_compat[] __initconst = {
    87. 

  87. 	"atmel,sama5d2",
    88. 

  88. 	"atmel,sama5d4",
    89. 

  89. 	NULL
    90. 

  90. };
    91. 

  91. 

  92. DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
    93. 

  93. 	/* Maintainer: Atmel */
    94. 

  94. 	.init_machine	= sama5_dt_device_init,
    95. 

  95. 	.dt_compat	= sama5_alt_dt_board_compat,
    96. 

  96. 	.l2c_aux_mask	= ~0UL,
    97. 

  97. MACHINE_END
    98. 

  98.