board_setup.c 2.3 KB

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  1. /*
  2. *
  3. * BRIEF MODULE DESCRIPTION
  4. * Alchemy Db1x00 board setup.
  5. *
  6. * Copyright 2000 MontaVista Software Inc.
  7. * Author: MontaVista Software, Inc.
  8. * ppopov@mvista.com or source@mvista.com
  9. *
  10. * This program is free software; you can redistribute it and/or modify it
  11. * under the terms of the GNU General Public License as published by the
  12. * Free Software Foundation; either version 2 of the License, or (at your
  13. * option) any later version.
  14. *
  15. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  16. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  17. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  18. * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  21. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  22. * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. *
  26. * You should have received a copy of the GNU General Public License along
  27. * with this program; if not, write to the Free Software Foundation, Inc.,
  28. * 675 Mass Ave, Cambridge, MA 02139, USA.
  29. */
  30. #include <linux/init.h>
  31. #include <linux/sched.h>
  32. #include <linux/ioport.h>
  33. #include <linux/mm.h>
  34. #include <linux/console.h>
  35. #include <linux/mc146818rtc.h>
  36. #include <linux/delay.h>
  37. #include <asm/cpu.h>
  38. #include <asm/bootinfo.h>
  39. #include <asm/irq.h>
  40. #include <asm/keyboard.h>
  41. #include <asm/mipsregs.h>
  42. #include <asm/reboot.h>
  43. #include <asm/pgtable.h>
  44. #include <asm/au1000.h>
  45. void board_reset (void)
  46. {
  47. }
  48. void __init board_setup(void)
  49. {
  50. u32 pin_func;
  51. #ifdef CONFIG_AU1X00_USB_DEVICE
  52. // 2nd USB port is USB device
  53. pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
  54. au_writel(pin_func, SYS_PINFUNC);
  55. #endif
  56. #if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
  57. /* set IRFIRSEL instead of GPIO15 */
  58. pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
  59. au_writel(pin_func, SYS_PINFUNC);
  60. au_sync();
  61. #endif
  62. printk("AMD Alchemy Hydrogen3 Board\n");
  63. }