uboot/arch/arm/mach-davinci/spl.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2011
   4 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   5 */
   6#include <common.h>
   7#include <config.h>
   8#include <hang.h>
   9#include <init.h>
  10#include <spl.h>
  11#include <asm/u-boot.h>
  12#include <asm/utils.h>
  13#include <nand.h>
  14#include <asm/arch/dm365_lowlevel.h>
  15#include <ns16550.h>
  16#include <malloc.h>
  17#include <spi_flash.h>
  18#include <mmc.h>
  19
  20#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
  21void puts(const char *str)
  22{
  23        while (*str)
  24                putc(*str++);
  25}
  26
  27void putc(char c)
  28{
  29        if (c == '\n')
  30                ns16550_putc((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), '\r');
  31
  32        ns16550_putc((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), c);
  33}
  34#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
  35
  36void board_init_f(ulong dummy)
  37{
  38        arch_cpu_init();
  39
  40        spl_early_init();
  41
  42        preloader_console_init();
  43}
  44
  45u32 spl_boot_device(void)
  46{
  47        switch (davinci_syscfg_regs->bootcfg) {
  48#ifdef CONFIG_SPL_NAND_SUPPORT
  49        case DAVINCI_NAND8_BOOT:
  50        case DAVINCI_NAND16_BOOT:
  51                return BOOT_DEVICE_NAND;
  52#endif
  53
  54#ifdef CONFIG_SPL_MMC
  55        case DAVINCI_SD_OR_MMC_BOOT:
  56        case DAVINCI_MMC_ONLY_BOOT:
  57                return BOOT_DEVICE_MMC1;
  58#endif
  59
  60#ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
  61        case DAVINCI_SPI0_FLASH_BOOT:
  62        case DAVINCI_SPI1_FLASH_BOOT:
  63                return BOOT_DEVICE_SPI;
  64#endif
  65
  66        default:
  67                puts("Unknown boot device\n");
  68                hang();
  69        }
  70}
  71