git.sur5r.net Git - u-boot/blob - arch/microblaze/cpu/spl.c

   1 /*
   2  * (C) Copyright 2013 - 2014 Xilinx, Inc
   3  *
   4  * Michal Simek <michal.simek@xilinx.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <image.h>
  11 #include <spl.h>
  12 #include <asm/io.h>
  13 #include <asm/u-boot.h>
  14
  15 bool boot_linux;
  16
  17 u32 spl_boot_device(void)
  18 {
  19         return BOOT_DEVICE_NOR;
  20 }
  21
  22 /* Board initialization after bss clearance */
  23 void spl_board_init(void)
  24 {
  25         /* enable console uart printing */
  26         preloader_console_init();
  27 }
  28
  29 #ifdef CONFIG_SPL_OS_BOOT
  30 void __noreturn jump_to_image_linux(struct spl_image_info *spl_image)
  31 {
  32         debug("Entering kernel arg pointer: 0x%p\n", spl_image->arg);
  33         typedef void (*image_entry_arg_t)(char *, ulong, ulong)
  34                 __attribute__ ((noreturn));
  35         image_entry_arg_t image_entry =
  36                 (image_entry_arg_t)spl_image->entry_point;
  37
  38         image_entry(NULL, 0, (ulong)spl_image->arg);
  39 }
  40 #endif /* CONFIG_SPL_OS_BOOT */
  41
  42 int spl_start_uboot(void)
  43 {
  44 #ifdef CONFIG_SPL_OS_BOOT
  45         if (boot_linux)
  46                 return 0;
  47 #endif
  48
  49         return 1;
  50 }