LXR uboot/board/toradex/apalis-imx8/apalis-imx8.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2019 Toradex
   4 */
   5
   6#include <common.h>
   7#include <init.h>
   8
   9#include <asm/arch/clock.h>
  10#include <asm/arch/imx8-pins.h>
  11#include <asm/arch/iomux.h>
  12#include <asm/arch/sci/sci.h>
  13#include <asm/arch/sys_proto.h>
  14#include <asm/gpio.h>
  15#include <asm/io.h>
  16#include <env.h>
  17#include <errno.h>
  18#include <linux/libfdt.h>
  19
  20#include "../common/tdx-cfg-block.h"
  21
  22DECLARE_GLOBAL_DATA_PTR;
  23
  24#define UART_PAD_CTRL   ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
  25                         (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
  26                         (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
  27                         (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
  28
  29static iomux_cfg_t uart1_pads[] = {
  30        SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  31        SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  32};
  33
  34static void setup_iomux_uart(void)
  35{
  36        imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  37}
  38
  39int board_early_init_f(void)
  40{
  41        sc_pm_clock_rate_t rate = SC_80MHZ;
  42        sc_err_t err = 0;
  43
  44        /* Set UART1 clock root to 80 MHz and enable it */
  45        err = sc_pm_setup_uart(SC_R_UART_1, rate);
  46        if (err != SC_ERR_NONE)
  47                return 0;
  48
  49        setup_iomux_uart();
  50
  51        return 0;
  52}
  53
  54#if IS_ENABLED(CONFIG_DM_GPIO)
  55static void board_gpio_init(void)
  56{
  57        /* TODO */
  58}
  59#else
  60static inline void board_gpio_init(void) {}
  61#endif
  62
  63#if IS_ENABLED(CONFIG_FEC_MXC)
  64#include <miiphy.h>
  65
  66int board_phy_config(struct phy_device *phydev)
  67{
  68        if (phydev->drv->config)
  69                phydev->drv->config(phydev);
  70
  71        return 0;
  72}
  73#endif
  74
  75int checkboard(void)
  76{
  77        puts("Model: Toradex Apalis iMX8\n");
  78
  79        build_info();
  80        print_bootinfo();
  81
  82        return 0;
  83}
  84
  85int board_init(void)
  86{
  87        board_gpio_init();
  88
  89        return 0;
  90}
  91
  92void detail_board_ddr_info(void)
  93{
  94        puts("\nDDR    ");
  95}
  96
  97/*
  98 * Board specific reset that is system reset.
  99 */
 100void reset_cpu(ulong addr)
 101{
 102        /* TODO */
 103}
 104
 105#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 106int ft_board_setup(void *blob, bd_t *bd)
 107{
 108        return ft_common_board_setup(blob, bd);
 109}
 110#endif
 111
 112int board_mmc_get_env_dev(int devno)
 113{
 114        return devno;
 115}
 116
 117int board_late_init(void)
 118{
 119#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 120/* TODO move to common */
 121        env_set("board_name", "Apalis iMX8QM");
 122        env_set("board_rev", "v1.0");
 123#endif
 124
 125        return 0;
 126}
 127