exynos5-dt.c 3.7 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2012 Samsung Electronics
  4. */
  5. #include <common.h>
  6. #include <dm.h>
  7. #include <dwc3-uboot.h>
  8. #include <env.h>
  9. #include <fdtdec.h>
  10. #include <log.h>
  11. #include <asm/global_data.h>
  12. #include <asm/io.h>
  13. #include <errno.h>
  14. #include <i2c.h>
  15. #include <mmc.h>
  16. #include <netdev.h>
  17. #include <samsung-usb-phy-uboot.h>
  18. #include <spi.h>
  19. #include <usb.h>
  20. #include <video_bridge.h>
  21. #include <asm/gpio.h>
  22. #include <asm/arch/cpu.h>
  23. #include <asm/arch/dwmmc.h>
  24. #include <asm/arch/mmc.h>
  25. #include <asm/arch/pinmux.h>
  26. #include <asm/arch/power.h>
  27. #include <asm/arch/sromc.h>
  28. #include <power/pmic.h>
  29. #include <power/max77686_pmic.h>
  30. #include <power/regulator.h>
  31. #include <power/s2mps11.h>
  32. #include <power/s5m8767.h>
  33. #include <samsung/exynos5-dt-types.h>
  34. #include <samsung/misc.h>
  35. #include <tmu.h>
  36. DECLARE_GLOBAL_DATA_PTR;
  37. int exynos_init(void)
  38. {
  39. return 0;
  40. }
  41. static int exynos_set_regulator(const char *name, uint uv)
  42. {
  43. struct udevice *dev;
  44. int ret;
  45. ret = regulator_get_by_platname(name, &dev);
  46. if (ret) {
  47. debug("%s: Cannot find regulator %s\n", __func__, name);
  48. return ret;
  49. }
  50. ret = regulator_set_value(dev, uv);
  51. if (ret) {
  52. debug("%s: Cannot set regulator %s\n", __func__, name);
  53. return ret;
  54. }
  55. return 0;
  56. }
  57. int exynos_power_init(void)
  58. {
  59. struct udevice *dev;
  60. int ret;
  61. #ifdef CONFIG_PMIC_S2MPS11
  62. ret = pmic_get("s2mps11_pmic@66", &dev);
  63. #else
  64. ret = pmic_get("max77686_pmic@09", &dev);
  65. if (!ret) {
  66. /* TODO(sjg@chromium.org): Move into the clock/pmic API */
  67. ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
  68. MAX77686_32KHCP_EN);
  69. if (ret)
  70. return ret;
  71. ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
  72. MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
  73. if (ret)
  74. return ret;
  75. } else {
  76. ret = pmic_get("s5m8767_pmic@66", &dev);
  77. /* TODO(sjg@chromium.org): Use driver model to access clock */
  78. #ifdef CONFIG_PMIC_S5M8767
  79. if (!ret)
  80. s5m8767_enable_32khz_cp(dev);
  81. #endif
  82. }
  83. #endif /* CONFIG_PMIC_S2MPS11 */
  84. if (ret == -ENODEV)
  85. return 0;
  86. ret = regulators_enable_boot_on(false);
  87. if (ret)
  88. return ret;
  89. ret = exynos_set_regulator("vdd_mif", 1100000);
  90. if (ret)
  91. return ret;
  92. ret = exynos_set_regulator("vdd_arm", 1300000);
  93. if (ret)
  94. return ret;
  95. ret = exynos_set_regulator("vdd_int", 1012500);
  96. if (ret)
  97. return ret;
  98. ret = exynos_set_regulator("vdd_g3d", 1200000);
  99. if (ret)
  100. return ret;
  101. return 0;
  102. }
  103. int board_get_revision(void)
  104. {
  105. return 0;
  106. }
  107. #ifdef CONFIG_USB_DWC3
  108. static struct dwc3_device dwc3_device_data = {
  109. .maximum_speed = USB_SPEED_SUPER,
  110. .base = 0x12400000,
  111. .dr_mode = USB_DR_MODE_PERIPHERAL,
  112. .index = 0,
  113. };
  114. int usb_gadget_handle_interrupts(int index)
  115. {
  116. dwc3_uboot_handle_interrupt(0);
  117. return 0;
  118. }
  119. int board_usb_init(int index, enum usb_init_type init)
  120. {
  121. struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
  122. samsung_get_base_usb3_phy();
  123. if (!phy) {
  124. pr_err("usb3 phy not supported\n");
  125. return -ENODEV;
  126. }
  127. set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
  128. exynos5_usb3_phy_init(phy);
  129. return dwc3_uboot_init(&dwc3_device_data);
  130. }
  131. #endif
  132. #ifdef CONFIG_SET_DFU_ALT_INFO
  133. char *get_dfu_alt_system(char *interface, char *devstr)
  134. {
  135. char *info = "Not supported!";
  136. if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
  137. return info;
  138. return env_get("dfu_alt_system");
  139. }
  140. char *get_dfu_alt_boot(char *interface, char *devstr)
  141. {
  142. char *info = "Not supported!";
  143. struct mmc *mmc;
  144. char *alt_boot;
  145. int dev_num;
  146. if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
  147. return info;
  148. dev_num = dectoul(devstr, NULL);
  149. mmc = find_mmc_device(dev_num);
  150. if (!mmc)
  151. return NULL;
  152. if (mmc_init(mmc))
  153. return NULL;
  154. if (IS_SD(mmc))
  155. alt_boot = CONFIG_DFU_ALT_BOOT_SD;
  156. else
  157. alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
  158. return alt_boot;
  159. }
  160. #endif