Hello Ralf,
I made a patch for IRQ routines of NEC Eagle.
This patch changes the registration method of IRQ routines.
Please apply this patch to v2.4.
Yoichi
diff -urN -X dontdiff linux-orig/arch/mips/vr41xx/common/giu.c linux/arch/mips/vr41xx/common/giu.c
--- linux-orig/arch/mips/vr41xx/common/giu.c Tue Jan 13 08:16:58 2004
+++ linux/arch/mips/vr41xx/common/giu.c Sat Feb 7 21:32:13 2004
@@ -271,8 +271,6 @@
return retval;
}
-void (*board_irq_init)(void) = NULL;
-
void __init vr41xx_giuint_init(void)
{
int i;
@@ -300,7 +298,4 @@
if (setup_irq(GIUINT_CASCADE_IRQ, &giu_cascade))
printk("GIUINT: Can not cascade IRQ %d.\n", GIUINT_CASCADE_IRQ);
-
- if (board_irq_init)
- board_irq_init();
}
diff -urN -X dontdiff linux-orig/arch/mips/vr41xx/nec-eagle/irq.c linux/arch/mips/vr41xx/nec-eagle/irq.c
--- linux-orig/arch/mips/vr41xx/nec-eagle/irq.c Thu Dec 12 10:10:09 2002
+++ linux/arch/mips/vr41xx/nec-eagle/irq.c Sat Feb 7 22:06:51 2004
@@ -1,64 +1,49 @@
/*
- * FILE NAME
- * arch/mips/vr41xx/nec-eagle/irq.c
+ * arch/mips/vr41xx/nec-eagle/irq.c
*
- * BRIEF MODULE DESCRIPTION
- * Interrupt routines for the NEC Eagle/Hawk board.
+ * Interrupt routines for the NEC Eagle/Hawk board.
*
- * Author: Yoichi Yuasa
- * yyuasa@mvista.com or source@mvista.com
+ * Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
*
- * Copyright 2002 MontaVista Software Inc.
- *
- * 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.
+ * 2002-2003 (c) MontaVista, Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
*/
/*
* Changes:
* MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com>
- * - Added support for NEC Hawk.
- *
- * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com>
* - New creation, NEC Eagle is supported.
+ * - Added support for NEC Hawk.
*/
+#include <linux/config.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/types.h>
#include <asm/io.h>
#include <asm/vr41xx/eagle.h>
+MODULE_DESCRIPTION("SDB/PCIINT IRQ driver for NEC Eagle/Hawk");
+MODULE_AUTHOR("Yoichi Yuasa <yyuasa@mvista.com>");
+MODULE_LICENSE("GPL");
+
static void enable_pciint_irq(unsigned int irq)
{
- u8 val;
+ uint8_t val;
val = readb(NEC_EAGLE_PCIINTMSKREG);
- val |= (u8)1 << (irq - PCIINT_IRQ_BASE);
+ val |= (uint8_t)1 << (irq - PCIINT_IRQ_BASE);
writeb(val, NEC_EAGLE_PCIINTMSKREG);
}
static void disable_pciint_irq(unsigned int irq)
{
- u8 val;
+ uint8_t val;
val = readb(NEC_EAGLE_PCIINTMSKREG);
- val &= ~((u8)1 << (irq - PCIINT_IRQ_BASE));
+ val &= ~((uint8_t)1 << (irq - PCIINT_IRQ_BASE));
writeb(val, NEC_EAGLE_PCIINTMSKREG);
}
@@ -78,31 +63,30 @@
}
static struct hw_interrupt_type pciint_irq_type = {
- "PCIINT",
- startup_pciint_irq,
- shutdown_pciint_irq,
- enable_pciint_irq,
- disable_pciint_irq,
- ack_pciint_irq,
- end_pciint_irq,
- NULL
+ .typename = "PCIINT",
+ .startup = startup_pciint_irq,
+ .shutdown = shutdown_pciint_irq,
+ .enable = enable_pciint_irq,
+ .disable = disable_pciint_irq,
+ .ack = ack_pciint_irq,
+ .end = end_pciint_irq,
};
static void enable_sdbint_irq(unsigned int irq)
{
- u8 val;
+ uint8_t val;
val = readb(NEC_EAGLE_SDBINTMSK);
- val |= (u8)1 << (irq - SDBINT_IRQ_BASE);
+ val |= (uint8_t)1 << (irq - SDBINT_IRQ_BASE);
writeb(val, NEC_EAGLE_SDBINTMSK);
}
static void disable_sdbint_irq(unsigned int irq)
{
- u8 val;
+ uint8_t val;
val = readb(NEC_EAGLE_SDBINTMSK);
- val &= ~((u8)1 << (irq - SDBINT_IRQ_BASE));
+ val &= ~((uint8_t)1 << (irq - SDBINT_IRQ_BASE));
writeb(val, NEC_EAGLE_SDBINTMSK);
}
@@ -122,19 +106,18 @@
}
static struct hw_interrupt_type sdbint_irq_type = {
- "SDBINT",
- startup_sdbint_irq,
- shutdown_sdbint_irq,
- enable_sdbint_irq,
- disable_sdbint_irq,
- ack_sdbint_irq,
- end_sdbint_irq,
- NULL
+ .typename = "SDBINT",
+ .startup = startup_sdbint_irq,
+ .shutdown = shutdown_sdbint_irq,
+ .enable = enable_sdbint_irq,
+ .disable = disable_sdbint_irq,
+ .ack = ack_sdbint_irq,
+ .end = end_sdbint_irq,
};
static int eagle_get_irq_number(int irq)
{
- u8 sdbint, pciint;
+ uint8_t sdbint, pciint;
int i;
sdbint = readb(NEC_EAGLE_SDBINT);
@@ -157,9 +140,9 @@
return -EINVAL;
}
-void __init eagle_irq_init(void)
+static int __devinit eagle_irq_init(void)
{
- int i;
+ int i, retval;
writeb(0, NEC_EAGLE_SDBINTMSK);
writeb(0, NEC_EAGLE_PCIINTMSKREG);
@@ -179,5 +162,17 @@
for (i = PCIINT_IRQ_BASE; i <= PCIINT_IRQ_LAST; i++)
irq_desc[i].handler = &pciint_irq_type;
- vr41xx_cascade_irq(FPGA_CASCADE_IRQ, eagle_get_irq_number);
+ retval = vr41xx_cascade_irq(FPGA_CASCADE_IRQ, eagle_get_irq_number);
+ if (retval != 0)
+ printk(KERN_ERR "eagle: Cannot cascade IRQ %d\n", FPGA_CASCADE_IRQ);
+
+ return retval;
}
+
+static void __devexit eagle_irq_exit(void)
+{
+ free_irq(FPGA_CASCADE_IRQ, NULL);
+}
+
+module_init(eagle_irq_init);
+module_exit(eagle_irq_exit);
diff -urN -X dontdiff linux-orig/arch/mips/vr41xx/nec-eagle/setup.c linux/arch/mips/vr41xx/nec-eagle/setup.c
--- linux-orig/arch/mips/vr41xx/nec-eagle/setup.c Sat Feb 7 10:32:18 2004
+++ linux/arch/mips/vr41xx/nec-eagle/setup.c Sat Feb 7 21:32:55 2004
@@ -50,8 +50,6 @@
#include <asm/time.h>
#include <asm/vr41xx/eagle.h>
-extern void eagle_irq_init(void);
-
#ifdef CONFIG_PCI
extern void vrc4173_preinit(void);
@@ -114,8 +112,6 @@
board_time_init = vr41xx_time_init;
board_timer_setup = vr41xx_timer_setup;
-
- board_irq_init = eagle_irq_init;
#ifdef CONFIG_FB
conswitchp = &dummy_con;
diff -urN -X dontdiff linux-orig/include/asm-mips/vr41xx/vr41xx.h linux/include/asm-mips/vr41xx/vr41xx.h
--- linux-orig/include/asm-mips/vr41xx/vr41xx.h Sat Feb 7 10:32:42 2004
+++ linux/include/asm-mips/vr41xx/vr41xx.h Sat Feb 7 21:37:18 2004
@@ -129,7 +129,6 @@
#define GIU_IRQ_LAST GIU_IRQ(31)
#define GIU_IRQ_TO_PIN(x) ((x) - GIU_IRQ_BASE) /* Pin 0-31 */
-extern void (*board_irq_init)(void);
extern int vr41xx_set_intassign(unsigned int irq, unsigned char intassign);
extern int vr41xx_cascade_irq(unsigned int irq, int (*get_irq_number)(int irq));
