git.sur5r.net Git - u-boot/blob - arch/arm/mach-davinci/spl.c

   1 /*
   2  * Copyright (C) 2011
   3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7 #include <common.h>
   8 #include <config.h>
   9 #include <spl.h>
  10 #include <asm/u-boot.h>
  11 #include <asm/utils.h>
  12 #include <nand.h>
  13 #include <asm/arch/dm365_lowlevel.h>
  14 #include <ns16550.h>
  15 #include <malloc.h>
  16 #include <spi_flash.h>
  17 #include <mmc.h>
  18
  19 #ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
  20 void puts(const char *str)
  21 {
  22         while (*str)
  23                 putc(*str++);
  24 }
  25
  26 void putc(char c)
  27 {
  28         if (c == '\n')
  29                 NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
  30
  31         NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
  32 }
  33 #endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
  34
  35 void spl_board_init(void)
  36 {
  37 #ifdef CONFIG_SOC_DM365
  38         dm36x_lowlevel_init(0);
  39 #endif
  40 #ifdef CONFIG_SOC_DA8XX
  41         arch_cpu_init();
  42 #endif
  43         preloader_console_init();
  44 }
  45
  46 u32 spl_boot_device(void)
  47 {
  48         switch (davinci_syscfg_regs->bootcfg) {
  49 #ifdef CONFIG_SPL_NAND_SUPPORT
  50         case DAVINCI_NAND8_BOOT:
  51         case DAVINCI_NAND16_BOOT:
  52                 return BOOT_DEVICE_NAND;
  53 #endif
  54
  55 #ifdef CONFIG_SPL_MMC_SUPPORT
  56         case DAVINCI_SD_OR_MMC_BOOT:
  57         case DAVINCI_MMC_ONLY_BOOT:
  58                 return BOOT_DEVICE_MMC1;
  59 #endif
  60
  61 #ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
  62         case DAVINCI_SPI0_FLASH_BOOT:
  63         case DAVINCI_SPI1_FLASH_BOOT:
  64                 return BOOT_DEVICE_SPI;
  65 #endif
  66
  67         default:
  68                 puts("Unknown boot device\n");
  69                 hang();
  70         }
  71 }