patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / arch / mips / vr41xx / common / icu.c

diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 70ff781..bd67058 100644 (file)
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -1,34 +1,23 @@
 /*
- * FILE NAME
- *     arch/mips/vr41xx/common/icu.c
+ *  icu.c, Interrupt Control Unit routines for the NEC VR4100 series.
  *
- * BRIEF MODULE DESCRIPTION
- *     Interrupt Control Unit routines for the NEC VR4100 series.
+ *  Copyright (C) 2001-2002  MontaVista Software Inc.
+ *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
+ *  Copyright (C) 2003-2004  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
  *
- * Author: Yoichi Yuasa
- *         yyuasa@mvista.com or source@mvista.com
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
  *
- * Copyright 2001,2002 MontaVista Software Inc.
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
  *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License as published by the
- *  Free Software Foundation; either version 2 of the License, or (at your
- *  option) any later version.
- *
- *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 /*
  * Changes:
@@ -90,6 +79,9 @@ static unsigned char sysint2_assign[16] = {
 #define MSYSINT2REG    0x06
 #define MGIUINTHREG    0x08
 
+#define MDSIUINTREG    KSEG1ADDR(0x0f000096)
+ #define INTDSIU       0x0800
+
 #define SYSINT1_IRQ_TO_PIN(x)  ((x) - SYSINT1_IRQ_BASE)        /* Pin 0-15 */
 #define SYSINT2_IRQ_TO_PIN(x)  ((x) - SYSINT2_IRQ_BASE)        /* Pin 0-15 */
 
@@ -148,6 +140,18 @@ static inline uint16_t clear_icu2(uint8_t offset, uint16_t clear)
 
 /*=======================================================================*/
 
+void vr41xx_enable_dsiuint(void)
+{
+       writew(INTDSIU, MDSIUINTREG);
+}
+
+void vr41xx_disable_dsiuint(void)
+{
+       writew(0, MDSIUINTREG);
+}
+
+/*=======================================================================*/
+
 static void enable_sysint1_irq(unsigned int irq)
 {
        set_icu1(MSYSINT1REG, (uint16_t)1 << SYSINT1_IRQ_TO_PIN(irq));