uboot下init_sequence_f函数之reserve_legacy_video

reserve_legacy_video:

# if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
  !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
  !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
static int reserve_legacy_video(void)
{
 /* reserve memory for video display (always full pages) */
 gd->relocaddr = video_setmem(gd->relocaddr);
 gd->fb_base = gd->relocaddr;
 return 0;
}
# endif