LXR uboot/board/toradex/apalis_t30/apalis

   1/*
   2 *  (C) Copyright 2014-2016
   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#include "../common/tdx-common.h"
  18
  19#include "pinmux-config-apalis_t30.h"
  20
  21DECLARE_GLOBAL_DATA_PTR;
  22
  23#define PMU_I2C_ADDRESS         0x2D
  24#define MAX_I2C_RETRY           3
  25
  26int arch_misc_init(void)
  27{
  28        if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
  29            NVBOOTTYPE_RECOVERY)
  30                printf("USB recovery mode\n");
  31
  32        return 0;
  33}
  34
  35int checkboard(void)
  36{
  37        printf("Model: Toradex Apalis T30 %dGB\n",
  38               (gd->ram_size == 0x40000000) ? 1 : 2);
  39
  40        return 0;
  41}
  42
  43#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
  44int ft_board_setup(void *blob, bd_t *bd)
  45{
  46        return ft_common_board_setup(blob, bd);
  47}
  48#endif
  49
  50/*
  51 * Routine: pinmux_init
  52 * Description: Do individual peripheral pinmux configs
  53 */
  54void pinmux_init(void)
  55{
  56        pinmux_config_pingrp_table(tegra3_pinmux_common,
  57                                   ARRAY_SIZE(tegra3_pinmux_common));
  58
  59        pinmux_config_pingrp_table(unused_pins_lowpower,
  60                                   ARRAY_SIZE(unused_pins_lowpower));
  61
  62        /* Initialize any non-default pad configs (APB_MISC_GP regs) */
  63        pinmux_config_drvgrp_table(apalis_t30_padctrl,
  64                                   ARRAY_SIZE(apalis_t30_padctrl));
  65}
  66
  67#ifdef CONFIG_PCI_TEGRA
  68int tegra_pcie_board_init(void)
  69{
  70        struct udevice *dev;
  71        u8 addr, data[1];
  72        int err;
  73
  74        err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
  75        if (err) {
  76                debug("%s: Cannot find PMIC I2C chip\n", __func__);
  77                return err;
  78        }
  79
  80        /* TPS659110: VDD2_OP_REG = 1.05V */
  81        data[0] = 0x27;
  82        addr = 0x25;
  83
  84        err = dm_i2c_write(dev, addr, data, 1);
  85        if (err) {
  86                debug("failed to set VDD supply\n");
  87                return err;
  88        }
  89
  90        /* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
  91        data[0] = 0x0D;
  92        addr = 0x24;
  93
  94        err = dm_i2c_write(dev, addr, data, 1);
  95        if (err) {
  96                debug("failed to enable VDD supply\n");
  97                return err;
  98        }
  99
 100        /* TPS659110: LDO6_REG = 1.1V, ACTIVE */
 101        data[0] = 0x0D;
 102        addr = 0x35;
 103
 104        err = dm_i2c_write(dev, addr, data, 1);
 105        if (err) {
 106                debug("failed to set AVDD supply\n");
 107                return err;
 108        }
 109
 110        return 0;
 111}
 112#endif /* CONFIG_PCI_TEGRA */
 113