powerdomains43xx_data.c 3.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * AM43xx Power domains framework
  4. *
  5. * Copyright (C) 2013 Texas Instruments, Inc.
  6. */
  7. #include <linux/kernel.h>
  8. #include <linux/init.h>
  9. #include "powerdomain.h"
  10. #include "prcm-common.h"
  11. #include "prcm44xx.h"
  12. #include "prcm43xx.h"
  13. static struct powerdomain gfx_43xx_pwrdm = {
  14. .name = "gfx_pwrdm",
  15. .voltdm = { .name = "core" },
  16. .prcm_offs = AM43XX_PRM_GFX_INST,
  17. .prcm_partition = AM43XX_PRM_PARTITION,
  18. .pwrsts = PWRSTS_OFF_ON,
  19. .banks = 1,
  20. .pwrsts_mem_on = {
  21. [0] = PWRSTS_ON, /* gfx_mem */
  22. },
  23. .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
  24. };
  25. static struct powerdomain mpu_43xx_pwrdm = {
  26. .name = "mpu_pwrdm",
  27. .voltdm = { .name = "mpu" },
  28. .prcm_offs = AM43XX_PRM_MPU_INST,
  29. .prcm_partition = AM43XX_PRM_PARTITION,
  30. .pwrsts = PWRSTS_OFF_RET_ON,
  31. .pwrsts_logic_ret = PWRSTS_OFF_RET,
  32. .banks = 3,
  33. .pwrsts_mem_ret = {
  34. [0] = PWRSTS_OFF_RET, /* mpu_l1 */
  35. [1] = PWRSTS_OFF_RET, /* mpu_l2 */
  36. [2] = PWRSTS_OFF_RET, /* mpu_ram */
  37. },
  38. .pwrsts_mem_on = {
  39. [0] = PWRSTS_ON, /* mpu_l1 */
  40. [1] = PWRSTS_ON, /* mpu_l2 */
  41. [2] = PWRSTS_ON, /* mpu_ram */
  42. },
  43. .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
  44. };
  45. static struct powerdomain rtc_43xx_pwrdm = {
  46. .name = "rtc_pwrdm",
  47. .voltdm = { .name = "rtc" },
  48. .prcm_offs = AM43XX_PRM_RTC_INST,
  49. .prcm_partition = AM43XX_PRM_PARTITION,
  50. .pwrsts = PWRSTS_ON,
  51. };
  52. static struct powerdomain wkup_43xx_pwrdm = {
  53. .name = "wkup_pwrdm",
  54. .voltdm = { .name = "core" },
  55. .prcm_offs = AM43XX_PRM_WKUP_INST,
  56. .prcm_partition = AM43XX_PRM_PARTITION,
  57. .pwrsts = PWRSTS_ON,
  58. .banks = 1,
  59. .pwrsts_mem_on = {
  60. [0] = PWRSTS_ON, /* debugss_mem */
  61. },
  62. };
  63. static struct powerdomain tamper_43xx_pwrdm = {
  64. .name = "tamper_pwrdm",
  65. .voltdm = { .name = "tamper" },
  66. .prcm_offs = AM43XX_PRM_TAMPER_INST,
  67. .prcm_partition = AM43XX_PRM_PARTITION,
  68. .pwrsts = PWRSTS_ON,
  69. };
  70. static struct powerdomain cefuse_43xx_pwrdm = {
  71. .name = "cefuse_pwrdm",
  72. .voltdm = { .name = "core" },
  73. .prcm_offs = AM43XX_PRM_CEFUSE_INST,
  74. .prcm_partition = AM43XX_PRM_PARTITION,
  75. .pwrsts = PWRSTS_OFF_ON,
  76. .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
  77. };
  78. static struct powerdomain per_43xx_pwrdm = {
  79. .name = "per_pwrdm",
  80. .voltdm = { .name = "core" },
  81. .prcm_offs = AM43XX_PRM_PER_INST,
  82. .prcm_partition = AM43XX_PRM_PARTITION,
  83. .pwrsts = PWRSTS_OFF_RET_ON,
  84. .pwrsts_logic_ret = PWRSTS_OFF_RET,
  85. .banks = 4,
  86. .pwrsts_mem_ret = {
  87. [0] = PWRSTS_OFF_RET, /* icss_mem */
  88. [1] = PWRSTS_OFF_RET, /* per_mem */
  89. [2] = PWRSTS_OFF_RET, /* ram1_mem */
  90. [3] = PWRSTS_OFF_RET, /* ram2_mem */
  91. },
  92. .pwrsts_mem_on = {
  93. [0] = PWRSTS_ON, /* icss_mem */
  94. [1] = PWRSTS_ON, /* per_mem */
  95. [2] = PWRSTS_ON, /* ram1_mem */
  96. [3] = PWRSTS_ON, /* ram2_mem */
  97. },
  98. .flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
  99. };
  100. static struct powerdomain *powerdomains_am43xx[] __initdata = {
  101. &gfx_43xx_pwrdm,
  102. &mpu_43xx_pwrdm,
  103. &rtc_43xx_pwrdm,
  104. &wkup_43xx_pwrdm,
  105. &tamper_43xx_pwrdm,
  106. &cefuse_43xx_pwrdm,
  107. &per_43xx_pwrdm,
  108. NULL
  109. };
  110. static int am43xx_check_vcvp(void)
  111. {
  112. return 0;
  113. }
  114. void __init am43xx_powerdomains_init(void)
  115. {
  116. omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
  117. pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
  118. pwrdm_register_pwrdms(powerdomains_am43xx);
  119. pwrdm_complete_init();
  120. }