exynos5-dt.c 3.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187
  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/io.h>
  12. #include <errno.h>
  13. #include <i2c.h>
  14. #include <mmc.h>
  15. #include <netdev.h>
  16. #include <samsung-usb-phy-uboot.h>
  17. #include <spi.h>
  18. #include <usb.h>
  19. #include <video_bridge.h>
  20. #include <asm/gpio.h>
  21. #include <asm/arch/cpu.h>
  22. #include <asm/arch/dwmmc.h>
  23. #include <asm/arch/mmc.h>
  24. #include <asm/arch/pinmux.h>
  25. #include <asm/arch/power.h>
  26. #include <asm/arch/sromc.h>
  27. #include <power/pmic.h>
  28. #include <power/max77686_pmic.h>
  29. #include <power/regulator.h>
  30. #include <power/s2mps11.h>
  31. #include <power/s5m8767.h>
  32. #include <samsung/exynos5-dt-types.h>
  33. #include <samsung/misc.h>
  34. #include <tmu.h>
  35. DECLARE_GLOBAL_DATA_PTR;
  36. int exynos_init(void)
  37. {
  38. return 0;
  39. }
  40. static int exynos_set_regulator(const char *name, uint uv)
  41. {
  42. struct udevice *dev;
  43. int ret;
  44. ret = regulator_get_by_platname(name, &dev);
  45. if (ret) {
  46. debug("%s: Cannot find regulator %s\n", __func__, name);
  47. return ret;
  48. }
  49. ret = regulator_set_value(dev, uv);
  50. if (ret) {
  51. debug("%s: Cannot set regulator %s\n", __func__, name);
  52. return ret;
  53. }
  54. return 0;
  55. }
  56. int exynos_power_init(void)
  57. {
  58. struct udevice *dev;
  59. int ret;
  60. #ifdef CONFIG_PMIC_S2MPS11
  61. ret = pmic_get("s2mps11_pmic@66", &dev);
  62. #else
  63. ret = pmic_get("max77686_pmic@09", &dev);
  64. if (!ret) {
  65. /* TODO(sjg@chromium.org): Move into the clock/pmic API */
  66. ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
  67. MAX77686_32KHCP_EN);
  68. if (ret)
  69. return ret;
  70. ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
  71. MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
  72. if (ret)
  73. return ret;
  74. } else {
  75. ret = pmic_get("s5m8767_pmic@66", &dev);
  76. /* TODO(sjg@chromium.org): Use driver model to access clock */
  77. #ifdef CONFIG_PMIC_S5M8767
  78. if (!ret)
  79. s5m8767_enable_32khz_cp(dev);
  80. #endif
  81. }
  82. #endif /* CONFIG_PMIC_S2MPS11 */
  83. if (ret == -ENODEV)
  84. return 0;
  85. ret = regulators_enable_boot_on(false);
  86. if (ret)
  87. return ret;
  88. ret = exynos_set_regulator("vdd_mif", 1100000);
  89. if (ret)
  90. return ret;
  91. ret = exynos_set_regulator("vdd_arm", 1300000);
  92. if (ret)
  93. return ret;
  94. ret = exynos_set_regulator("vdd_int", 1012500);
  95. if (ret)
  96. return ret;
  97. ret = exynos_set_regulator("vdd_g3d", 1200000);
  98. if (ret)
  99. return ret;
  100. return 0;
  101. }
  102. int board_get_revision(void)
  103. {
  104. return 0;
  105. }
  106. #ifdef CONFIG_USB_DWC3
  107. static struct dwc3_device dwc3_device_data = {
  108. .maximum_speed = USB_SPEED_SUPER,
  109. .base = 0x12400000,
  110. .dr_mode = USB_DR_MODE_PERIPHERAL,
  111. .index = 0,
  112. };
  113. int usb_gadget_handle_interrupts(void)
  114. {
  115. dwc3_uboot_handle_interrupt(0);
  116. return 0;
  117. }
  118. int board_usb_init(int index, enum usb_init_type init)
  119. {
  120. struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
  121. samsung_get_base_usb3_phy();
  122. if (!phy) {
  123. pr_err("usb3 phy not supported\n");
  124. return -ENODEV;
  125. }
  126. set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
  127. exynos5_usb3_phy_init(phy);
  128. return dwc3_uboot_init(&dwc3_device_data);
  129. }
  130. #endif
  131. #ifdef CONFIG_SET_DFU_ALT_INFO
  132. char *get_dfu_alt_system(char *interface, char *devstr)
  133. {
  134. char *info = "Not supported!";
  135. if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
  136. return info;
  137. return env_get("dfu_alt_system");
  138. }
  139. char *get_dfu_alt_boot(char *interface, char *devstr)
  140. {
  141. char *info = "Not supported!";
  142. struct mmc *mmc;
  143. char *alt_boot;
  144. int dev_num;
  145. if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
  146. return info;
  147. dev_num = simple_strtoul(devstr, NULL, 10);
  148. mmc = find_mmc_device(dev_num);
  149. if (!mmc)
  150. return NULL;
  151. if (mmc_init(mmc))
  152. return NULL;
  153. if (IS_SD(mmc))
  154. alt_boot = CONFIG_DFU_ALT_BOOT_SD;
  155. else
  156. alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
  157. return alt_boot;
  158. }
  159. #endif