board_init.c 3.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2012-2015 Panasonic Corporation
  4. * Copyright (C) 2015-2016 Socionext Inc.
  5. * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  6. */
  7. #include <linux/errno.h>
  8. #include <linux/io.h>
  9. #include <linux/printk.h>
  10. #include "init.h"
  11. #include "micro-support-card.h"
  12. #include "soc-info.h"
  13. #ifdef CONFIG_ARCH_UNIPHIER_LD20
  14. static void uniphier_ld20_misc_init(void)
  15. {
  16. /* ES1 errata: increase VDD09 supply to suppress VBO noise */
  17. if (uniphier_get_soc_revision() == 1) {
  18. writel(0x00000003, 0x6184e004);
  19. writel(0x00000100, 0x6184e040);
  20. writel(0x0000b500, 0x6184e024);
  21. writel(0x00000001, 0x6184e000);
  22. }
  23. }
  24. #endif
  25. struct uniphier_initdata {
  26. unsigned int soc_id;
  27. void (*sbc_init)(void);
  28. void (*pll_init)(void);
  29. void (*clk_init)(void);
  30. void (*misc_init)(void);
  31. };
  32. static const struct uniphier_initdata uniphier_initdata[] = {
  33. #if defined(CONFIG_ARCH_UNIPHIER_LD4)
  34. {
  35. .soc_id = UNIPHIER_LD4_ID,
  36. .sbc_init = uniphier_ld4_sbc_init,
  37. .pll_init = uniphier_ld4_pll_init,
  38. .clk_init = uniphier_ld4_clk_init,
  39. },
  40. #endif
  41. #if defined(CONFIG_ARCH_UNIPHIER_PRO4)
  42. {
  43. .soc_id = UNIPHIER_PRO4_ID,
  44. .sbc_init = uniphier_sbc_init_savepin,
  45. .pll_init = uniphier_pro4_pll_init,
  46. .clk_init = uniphier_pro4_clk_init,
  47. },
  48. #endif
  49. #if defined(CONFIG_ARCH_UNIPHIER_SLD8)
  50. {
  51. .soc_id = UNIPHIER_SLD8_ID,
  52. .sbc_init = uniphier_ld4_sbc_init,
  53. .pll_init = uniphier_ld4_pll_init,
  54. .clk_init = uniphier_ld4_clk_init,
  55. },
  56. #endif
  57. #if defined(CONFIG_ARCH_UNIPHIER_PRO5)
  58. {
  59. .soc_id = UNIPHIER_PRO5_ID,
  60. .sbc_init = uniphier_sbc_init_savepin,
  61. .clk_init = uniphier_pro5_clk_init,
  62. },
  63. #endif
  64. #if defined(CONFIG_ARCH_UNIPHIER_PXS2)
  65. {
  66. .soc_id = UNIPHIER_PXS2_ID,
  67. .sbc_init = uniphier_pxs2_sbc_init,
  68. .clk_init = uniphier_pxs2_clk_init,
  69. },
  70. #endif
  71. #if defined(CONFIG_ARCH_UNIPHIER_LD6B)
  72. {
  73. .soc_id = UNIPHIER_LD6B_ID,
  74. .sbc_init = uniphier_pxs2_sbc_init,
  75. .clk_init = uniphier_pxs2_clk_init,
  76. },
  77. #endif
  78. #if defined(CONFIG_ARCH_UNIPHIER_LD11)
  79. {
  80. .soc_id = UNIPHIER_LD11_ID,
  81. .sbc_init = uniphier_ld11_sbc_init,
  82. .pll_init = uniphier_ld11_pll_init,
  83. .clk_init = uniphier_ld11_clk_init,
  84. },
  85. #endif
  86. #if defined(CONFIG_ARCH_UNIPHIER_LD20)
  87. {
  88. .soc_id = UNIPHIER_LD20_ID,
  89. .sbc_init = uniphier_ld11_sbc_init,
  90. .pll_init = uniphier_ld20_pll_init,
  91. .clk_init = uniphier_ld20_clk_init,
  92. .misc_init = uniphier_ld20_misc_init,
  93. },
  94. #endif
  95. #if defined(CONFIG_ARCH_UNIPHIER_PXS3)
  96. {
  97. .soc_id = UNIPHIER_PXS3_ID,
  98. .sbc_init = uniphier_pxs2_sbc_init,
  99. .pll_init = uniphier_pxs3_pll_init,
  100. .clk_init = uniphier_pxs3_clk_init,
  101. },
  102. #endif
  103. };
  104. UNIPHIER_DEFINE_SOCDATA_FUNC(uniphier_get_initdata, uniphier_initdata)
  105. int board_init(void)
  106. {
  107. const struct uniphier_initdata *initdata;
  108. led_puts("U0");
  109. initdata = uniphier_get_initdata();
  110. if (!initdata) {
  111. pr_err("unsupported SoC\n");
  112. return -EINVAL;
  113. }
  114. initdata->sbc_init();
  115. support_card_init();
  116. led_puts("U0");
  117. if (initdata->pll_init)
  118. initdata->pll_init();
  119. led_puts("U1");
  120. if (initdata->clk_init)
  121. initdata->clk_init();
  122. led_puts("U2");
  123. if (initdata->misc_init)
  124. initdata->misc_init();
  125. led_puts("U3");
  126. support_card_late_init();
  127. led_puts("Uboo");
  128. return 0;
  129. }