prom.c 1.7 KB

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  1. /*
  2. * rbtx4927 specific prom routines
  3. *
  4. * Author: MontaVista Software, Inc.
  5. * source@mvista.com
  6. *
  7. * Copyright 2001-2002 MontaVista Software Inc.
  8. *
  9. * Copyright (C) 2004 MontaVista Software Inc.
  10. * Author: Manish Lachwani, mlachwani@mvista.com
  11. *
  12. * This program is free software; you can redistribute it and/or modify it
  13. * under the terms of the GNU General Public License as published by the
  14. * Free Software Foundation; either version 2 of the License, or (at your
  15. * option) any later version.
  16. *
  17. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  18. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  22. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  23. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  25. * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  26. * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. *
  28. * You should have received a copy of the GNU General Public License along
  29. * with this program; if not, write to the Free Software Foundation, Inc.,
  30. * 675 Mass Ave, Cambridge, MA 02139, USA.
  31. */
  32. #include <linux/init.h>
  33. #include <asm/bootinfo.h>
  34. #include <asm/txx9/generic.h>
  35. #include <asm/txx9/rbtx4927.h>
  36. void __init rbtx4927_prom_init(void)
  37. {
  38. add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM);
  39. txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL);
  40. }