board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2016 Rockchip Electronics Co., Ltd
   4  * (C) Copyright 2020 Peter Robinson <pbrobinson at gmail.com>
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <syscon.h>
  10 #include <asm/io.h>
  11 #include <asm/arch-rockchip/clock.h>
  12 #include <asm/arch-rockchip/grf_rk3399.h>
  13 #include <asm/arch-rockchip/hardware.h>
  14 #include <asm/arch-rockchip/misc.h>
  15 #include <power/regulator.h>
  16
  17 #define GRF_IO_VSEL_BT565_SHIFT 0
  18 #define PMUGRF_CON0_VSEL_SHIFT 8
  19
  20 #ifndef CONFIG_SPL_BUILD
  21 int board_early_init_f(void)
  22 {
  23         struct udevice *regulator;
  24         int ret;
  25
  26         ret = regulator_get_by_platname("vcc5v0_usb", &regulator);
  27         if (ret) {
  28                 pr_debug("%s vcc5v0_usb init fail! ret %d\n", __func__, ret);
  29                 goto out;
  30         }
  31
  32         ret = regulator_set_enable(regulator, true);
  33         if (ret)
  34                 pr_debug("%s vcc5v0-host-en-gpio set fail! ret %d\n", __func__, ret);
  35
  36 out:
  37         return 0;
  38 }
  39 #endif
  40
  41 #ifdef CONFIG_MISC_INIT_R
  42 static void setup_iodomain(void)
  43 {
  44         struct rk3399_grf_regs *grf =
  45            syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
  46         struct rk3399_pmugrf_regs *pmugrf =
  47            syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
  48
  49         /* BT565 is in 1.8v domain */
  50         rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_BT565_SHIFT);
  51
  52         /* Set GPIO1 1.8v/3.0v source select to PMU1830_VOL */
  53         rk_setreg(&pmugrf->soc_con0, 1 << PMUGRF_CON0_VSEL_SHIFT);
  54 }
  55
  56 int misc_init_r(void)
  57 {
  58         const u32 cpuid_offset = 0x7;
  59         const u32 cpuid_length = 0x10;
  60         u8 cpuid[cpuid_length];
  61         int ret;
  62
  63         setup_iodomain();
  64
  65         ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
  66         if (ret)
  67                 return ret;
  68
  69         ret = rockchip_cpuid_set(cpuid, cpuid_length);
  70         if (ret)
  71                 return ret;
  72
  73         return ret;
  74 }
  75 #endif