board/samsung/common/exynos5-dt.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2012 Samsung Electronics
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <dwc3-uboot.h>
   9 #include <env.h>
  10 #include <fdtdec.h>
  11 #include <log.h>
  12 #include <asm/global_data.h>
  13 #include <asm/io.h>
  14 #include <errno.h>
  15 #include <i2c.h>
  16 #include <mmc.h>
  17 #include <netdev.h>
  18 #include <samsung-usb-phy-uboot.h>
  19 #include <spi.h>
  20 #include <usb.h>
  21 #include <video_bridge.h>
  22 #include <asm/gpio.h>
  23 #include <asm/arch/cpu.h>
  24 #include <asm/arch/dwmmc.h>
  25 #include <asm/arch/mmc.h>
  26 #include <asm/arch/pinmux.h>
  27 #include <asm/arch/power.h>
  28 #include <asm/arch/sromc.h>
  29 #include <power/pmic.h>
  30 #include <power/max77686_pmic.h>
  31 #include <power/regulator.h>
  32 #include <power/s2mps11.h>
  33 #include <power/s5m8767.h>
  34 #include <samsung/exynos5-dt-types.h>
  35 #include <samsung/misc.h>
  36 #include <tmu.h>
  37
  38 DECLARE_GLOBAL_DATA_PTR;
  39
  40 int exynos_init(void)
  41 {
  42         return 0;
  43 }
  44
  45 static int exynos_set_regulator(const char *name, uint uv)
  46 {
  47         struct udevice *dev;
  48         int ret;
  49
  50         ret = regulator_get_by_platname(name, &dev);
  51         if (ret) {
  52                 debug("%s: Cannot find regulator %s\n", __func__, name);
  53                 return ret;
  54         }
  55         ret = regulator_set_value(dev, uv);
  56         if (ret) {
  57                 debug("%s: Cannot set regulator %s\n", __func__, name);
  58                 return ret;
  59         }
  60
  61         return 0;
  62 }
  63
  64 int exynos_power_init(void)
  65 {
  66         struct udevice *dev;
  67         int ret;
  68
  69 #ifdef CONFIG_PMIC_S2MPS11
  70         ret = pmic_get("s2mps11_pmic@66", &dev);
  71 #else
  72         ret = pmic_get("max77686_pmic@09", &dev);
  73         if (!ret) {
  74                 /* TODO(sjg@chromium.org): Move into the clock/pmic API */
  75                 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
  76                                 MAX77686_32KHCP_EN);
  77                 if (ret)
  78                         return ret;
  79                 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
  80                                 MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
  81                 if (ret)
  82                         return ret;
  83         } else {
  84                 ret = pmic_get("s5m8767_pmic@66", &dev);
  85                 /* TODO(sjg@chromium.org): Use driver model to access clock */
  86 #ifdef CONFIG_PMIC_S5M8767
  87                 if (!ret)
  88                         s5m8767_enable_32khz_cp(dev);
  89 #endif
  90         }
  91 #endif  /* CONFIG_PMIC_S2MPS11 */
  92         if (ret == -ENODEV)
  93                 return 0;
  94
  95         ret = regulators_enable_boot_on(false);
  96         if (ret)
  97                 return ret;
  98
  99         ret = exynos_set_regulator("vdd_mif", 1100000);
 100         if (ret)
 101                 return ret;
 102
 103         ret = exynos_set_regulator("vdd_arm", 1300000);
 104         if (ret)
 105                 return ret;
 106         ret = exynos_set_regulator("vdd_int", 1012500);
 107         if (ret)
 108                 return ret;
 109         ret = exynos_set_regulator("vdd_g3d", 1200000);
 110         if (ret)
 111                 return ret;
 112
 113         return 0;
 114 }
 115
 116 int board_get_revision(void)
 117 {
 118         return 0;
 119 }
 120
 121 #ifdef CONFIG_USB_DWC3
 122 static struct dwc3_device dwc3_device_data = {
 123         .maximum_speed = USB_SPEED_SUPER,
 124         .base = 0x12400000,
 125         .dr_mode = USB_DR_MODE_PERIPHERAL,
 126         .index = 0,
 127 };
 128
 129 int usb_gadget_handle_interrupts(int index)
 130 {
 131         dwc3_uboot_handle_interrupt(0);
 132         return 0;
 133 }
 134
 135 int board_usb_init(int index, enum usb_init_type init)
 136 {
 137         struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
 138                 samsung_get_base_usb3_phy();
 139
 140         if (!phy) {
 141                 pr_err("usb3 phy not supported\n");
 142                 return -ENODEV;
 143         }
 144
 145         set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
 146         exynos5_usb3_phy_init(phy);
 147
 148         return dwc3_uboot_init(&dwc3_device_data);
 149 }
 150 #endif
 151 #ifdef CONFIG_SET_DFU_ALT_INFO
 152 char *get_dfu_alt_system(char *interface, char *devstr)
 153 {
 154         char *info = "Not supported!";
 155
 156         if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
 157                 return info;
 158
 159         return env_get("dfu_alt_system");
 160 }
 161
 162 char *get_dfu_alt_boot(char *interface, char *devstr)
 163 {
 164         char *info = "Not supported!";
 165         struct mmc *mmc;
 166         char *alt_boot;
 167         int dev_num;
 168
 169         if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
 170                 return info;
 171
 172         dev_num = dectoul(devstr, NULL);
 173
 174         mmc = find_mmc_device(dev_num);
 175         if (!mmc)
 176                 return NULL;
 177
 178         if (mmc_init(mmc))
 179                 return NULL;
 180
 181         if (IS_SD(mmc))
 182                 alt_boot = CFG_DFU_ALT_BOOT_SD;
 183         else
 184                 alt_boot = CFG_DFU_ALT_BOOT_EMMC;
 185
 186         return alt_boot;
 187 }
 188 #endif