arch/mips/include/asm/rm9k-ocd.h

   1 /*
   2  *  Copyright (C) 2004 by Basler Vision Technologies AG
   3  *  Author: Thomas Koeller <thomas.koeller@baslerweb.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #if !defined(_ASM_RM9K_OCD_H)
  21 #define _ASM_RM9K_OCD_H
  22
  23 #include <linux/types.h>
  24 #include <linux/spinlock.h>
  25 #include <asm/io.h>
  26
  27 extern volatile void __iomem * const ocd_base;
  28 extern volatile void __iomem * const titan_base;
  29
  30 #define ocd_addr(__x__)         (ocd_base + (__x__))
  31 #define titan_addr(__x__)       (titan_base + (__x__))
  32 #define scram_addr(__x__)       (scram_base + (__x__))
  33
  34 /* OCD register access */
  35 #define ocd_readl(__offs__) __raw_readl(ocd_addr(__offs__))
  36 #define ocd_readw(__offs__) __raw_readw(ocd_addr(__offs__))
  37 #define ocd_readb(__offs__) __raw_readb(ocd_addr(__offs__))
  38 #define ocd_writel(__val__, __offs__) \
  39         __raw_writel((__val__), ocd_addr(__offs__))
  40 #define ocd_writew(__val__, __offs__) \
  41         __raw_writew((__val__), ocd_addr(__offs__))
  42 #define ocd_writeb(__val__, __offs__) \
  43         __raw_writeb((__val__), ocd_addr(__offs__))
  44
  45 /* TITAN register access - 32 bit-wide only */
  46 #define titan_readl(__offs__) __raw_readl(titan_addr(__offs__))
  47 #define titan_writel(__val__, __offs__) \
  48         __raw_writel((__val__), titan_addr(__offs__))
  49
  50 /* Protect access to shared TITAN registers */
  51 extern spinlock_t titan_lock;
  52 extern int titan_irqflags;
  53 #define lock_titan_regs() spin_lock_irqsave(&titan_lock, titan_irqflags)
  54 #define unlock_titan_regs() spin_unlock_irqrestore(&titan_lock, titan_irqflags)
  55
  56 #endif  /* !defined(_ASM_RM9K_OCD_H) */