LXR uboot/board/freescale/imxrt1050-evk/imxrt1050-evk.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2019
   4 * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
   5 */
   6
   7#include <common.h>
   8#include <dm.h>
   9#include <init.h>
  10#include <log.h>
  11#include <ram.h>
  12#include <spl.h>
  13#include <asm/io.h>
  14#include <asm/armv7m.h>
  15
  16DECLARE_GLOBAL_DATA_PTR;
  17
  18int dram_init(void)
  19{
  20#ifndef CONFIG_SUPPORT_SPL
  21        int rv;
  22        struct udevice *dev;
  23
  24        rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  25        if (rv) {
  26                debug("DRAM init failed: %d\n", rv);
  27                return rv;
  28        }
  29
  30#endif
  31        return fdtdec_setup_mem_size_base();
  32}
  33
  34int dram_init_banksize(void)
  35{
  36        return fdtdec_setup_memory_banksize();
  37}
  38
  39#ifdef CONFIG_SPL_BUILD
  40#ifdef CONFIG_SPL_OS_BOOT
  41int spl_start_uboot(void)
  42{
  43        debug("SPL: booting kernel\n");
  44        /* break into full u-boot on 'c' */
  45        return serial_tstc() && serial_getc() == 'c';
  46}
  47#endif
  48
  49int spl_dram_init(void)
  50{
  51        struct udevice *dev;
  52        int rv;
  53
  54        rv = uclass_get_device(UCLASS_RAM, 0, &dev);
  55        if (rv)
  56                debug("DRAM init failed: %d\n", rv);
  57        return rv;
  58}
  59
  60void spl_board_init(void)
  61{
  62        spl_dram_init();
  63        preloader_console_init();
  64        arch_cpu_init(); /* to configure mpu for sdram rw permissions */
  65}
  66
  67u32 spl_boot_device(void)
  68{
  69        return BOOT_DEVICE_MMC1;
  70}
  71#endif
  72
  73u32 get_board_rev(void)
  74{
  75        return 0;
  76}
  77
  78int board_init(void)
  79{
  80        gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
  81
  82        return 0;
  83}
  84