arch/mips/au1000/hydrogen3/board_setup.c

   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/config.h>
  31 #include <linux/init.h>
  32 #include <linux/sched.h>
  33 #include <linux/ioport.h>
  34 #include <linux/mm.h>
  35 #include <linux/console.h>
  36 #include <linux/mc146818rtc.h>
  37 #include <linux/delay.h>
  38
  39 #include <asm/cpu.h>
  40 #include <asm/bootinfo.h>
  41 #include <asm/irq.h>
  42 #include <asm/keyboard.h>
  43 #include <asm/mipsregs.h>
  44 #include <asm/reboot.h>
  45 #include <asm/pgtable.h>
  46 #include <asm/au1000.h>
  47
  48 void board_reset (void)
  49 {
  50 }
  51
  52 void __init board_setup(void)
  53 {
  54         u32 pin_func;
  55
  56 #ifdef CONFIG_AU1X00_USB_DEVICE
  57         // 2nd USB port is USB device
  58         pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
  59         au_writel(pin_func, SYS_PINFUNC);
  60 #endif
  61
  62 #if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
  63         /* set IRFIRSEL instead of GPIO15 */
  64         pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
  65         au_writel(pin_func, SYS_PINFUNC);
  66         au_sync();
  67 #endif
  68
  69     printk("AMD Alchemy Hydrogen3 Board\n");
  70 }