LXR uboot/board/toradex/apalis_t30/apalis

   1/*
   2 *  (C) Copyright 2014
   3 *  Marcel Ziswiler <marcel@ziswiler.com>
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <asm/arch/gp_padctrl.h>
  10#include <asm/arch/pinmux.h>
  11#include <asm/arch-tegra/ap.h>
  12#include <asm/arch-tegra/tegra.h>
  13#include <asm/gpio.h>
  14#include <asm/io.h>
  15#include <dm.h>
  16#include <i2c.h>
  17
  18#include "pinmux-config-apalis_t30.h"
  19
  20#define PMU_I2C_ADDRESS         0x2D
  21#define MAX_I2C_RETRY           3
  22
  23int arch_misc_init(void)
  24{
  25        if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
  26            NVBOOTTYPE_RECOVERY)
  27                printf("USB recovery mode\n");
  28
  29        return 0;
  30}
  31
  32/*
  33 * Routine: pinmux_init
  34 * Description: Do individual peripheral pinmux configs
  35 */
  36void pinmux_init(void)
  37{
  38        pinmux_config_pingrp_table(tegra3_pinmux_common,
  39                                   ARRAY_SIZE(tegra3_pinmux_common));
  40
  41        pinmux_config_pingrp_table(unused_pins_lowpower,
  42                                   ARRAY_SIZE(unused_pins_lowpower));
  43
  44        /* Initialize any non-default pad configs (APB_MISC_GP regs) */
  45        pinmux_config_drvgrp_table(apalis_t30_padctrl,
  46                                   ARRAY_SIZE(apalis_t30_padctrl));
  47}
  48
  49#ifdef CONFIG_PCI_TEGRA
  50int tegra_pcie_board_init(void)
  51{
  52        struct udevice *dev;
  53        u8 addr, data[1];
  54        int err;
  55
  56        err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
  57        if (err) {
  58                debug("%s: Cannot find PMIC I2C chip\n", __func__);
  59                return err;
  60        }
  61
  62        /* TPS659110: VDD2_OP_REG = 1.05V */
  63        data[0] = 0x27;
  64        addr = 0x25;
  65
  66        err = dm_i2c_write(dev, addr, data, 1);
  67        if (err) {
  68                debug("failed to set VDD supply\n");
  69                return err;
  70        }
  71
  72        /* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
  73        data[0] = 0x0D;
  74        addr = 0x24;
  75
  76        err = dm_i2c_write(dev, addr, data, 1);
  77        if (err) {
  78                debug("failed to enable VDD supply\n");
  79                return err;
  80        }
  81
  82        /* TPS659110: LDO6_REG = 1.1V, ACTIVE */
  83        data[0] = 0x0D;
  84        addr = 0x35;
  85
  86        err = dm_i2c_write(dev, addr, data, 1);
  87        if (err) {
  88                debug("failed to set AVDD supply\n");
  89                return err;
  90        }
  91
  92        return 0;
  93}
  94#endif /* CONFIG_PCI_TEGRA */
  95