X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Farm%2Fplat-mxc%2Firq.c;h=1fbe01da6925ccd3f5d419532047ad920992aef2;hp=87d253bc3d3c0541c845693e3714385f92f988a7;hb=8a392625b665c676a77c62f8608d10ff430bcb83;hpb=39fe5434cb9de5da40510028b17b96bc4eb312b3

diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c
index 87d253bc3d3c..1fbe01da6925 100644
--- a/arch/arm/plat-mxc/irq.c
+++ b/arch/arm/plat-mxc/irq.c
@@ -1,51 +1,78 @@
 /*
- *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ *
+ * 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 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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
  */
 
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <asm/hardware.h>
+#include <linux/irq.h>
 #include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
 #include <asm/arch/common.h>
 
-/*!
- * Disable interrupt number "irq" in the AVIC
- *
- * @param  irq          interrupt source number
- */
+#define AVIC_BASE		IO_ADDRESS(AVIC_BASE_ADDR)
+#define AVIC_INTCNTL		(AVIC_BASE + 0x00)	/* int control reg */
+#define AVIC_NIMASK		(AVIC_BASE + 0x04)	/* int mask reg */
+#define AVIC_INTENNUM		(AVIC_BASE + 0x08)	/* int enable number reg */
+#define AVIC_INTDISNUM		(AVIC_BASE + 0x0C)	/* int disable number reg */
+#define AVIC_INTENABLEH		(AVIC_BASE + 0x10)	/* int enable reg high */
+#define AVIC_INTENABLEL		(AVIC_BASE + 0x14)	/* int enable reg low */
+#define AVIC_INTTYPEH		(AVIC_BASE + 0x18)	/* int type reg high */
+#define AVIC_INTTYPEL		(AVIC_BASE + 0x1C)	/* int type reg low */
+#define AVIC_NIPRIORITY7	(AVIC_BASE + 0x20)	/* norm int priority lvl7 */
+#define AVIC_NIPRIORITY6	(AVIC_BASE + 0x24)	/* norm int priority lvl6 */
+#define AVIC_NIPRIORITY5	(AVIC_BASE + 0x28)	/* norm int priority lvl5 */
+#define AVIC_NIPRIORITY4	(AVIC_BASE + 0x2C)	/* norm int priority lvl4 */
+#define AVIC_NIPRIORITY3	(AVIC_BASE + 0x30)	/* norm int priority lvl3 */
+#define AVIC_NIPRIORITY2	(AVIC_BASE + 0x34)	/* norm int priority lvl2 */
+#define AVIC_NIPRIORITY1	(AVIC_BASE + 0x38)	/* norm int priority lvl1 */
+#define AVIC_NIPRIORITY0	(AVIC_BASE + 0x3C)	/* norm int priority lvl0 */
+#define AVIC_NIVECSR		(AVIC_BASE + 0x40)	/* norm int vector/status */
+#define AVIC_FIVECSR		(AVIC_BASE + 0x44)	/* fast int vector/status */
+#define AVIC_INTSRCH		(AVIC_BASE + 0x48)	/* int source reg high */
+#define AVIC_INTSRCL		(AVIC_BASE + 0x4C)	/* int source reg low */
+#define AVIC_INTFRCH		(AVIC_BASE + 0x50)	/* int force reg high */
+#define AVIC_INTFRCL		(AVIC_BASE + 0x54)	/* int force reg low */
+#define AVIC_NIPNDH		(AVIC_BASE + 0x58)	/* norm int pending high */
+#define AVIC_NIPNDL		(AVIC_BASE + 0x5C)	/* norm int pending low */
+#define AVIC_FIPNDH		(AVIC_BASE + 0x60)	/* fast int pending high */
+#define AVIC_FIPNDL		(AVIC_BASE + 0x64)	/* fast int pending low */
+
+#define SYSTEM_PREV_REG		IO_ADDRESS(IIM_BASE_ADDR + 0x20)
+#define SYSTEM_SREV_REG		IO_ADDRESS(IIM_BASE_ADDR + 0x24)
+#define IIM_PROD_REV_SH		3
+#define IIM_PROD_REV_LEN	5
+
+/* Disable interrupt number "irq" in the AVIC */
 static void mxc_mask_irq(unsigned int irq)
 {
 	__raw_writel(irq, AVIC_INTDISNUM);
 }
 
-/*!
- * Enable interrupt number "irq" in the AVIC
- *
- * @param  irq          interrupt source number
- */
+/* Enable interrupt number "irq" in the AVIC */
 static void mxc_unmask_irq(unsigned int irq)
 {
 	__raw_writel(irq, AVIC_INTENNUM);
 }
 
 static struct irq_chip mxc_avic_chip = {
-	.mask_ack = mxc_mask_irq,
+	.ack = mxc_mask_irq,
 	.mask = mxc_mask_irq,
 	.unmask = mxc_unmask_irq,
 };
 
-/*!
+/*
  * This function initializes the AVIC hardware and disables all the
  * interrupts. It registers the interrupt enable and disable functions
  * to the kernel for each interrupt source.
@@ -79,5 +106,8 @@ void __init mxc_init_irq(void)
 	reg |= (0xF << 28);
 	__raw_writel(reg, AVIC_NIPRIORITY6);
 
+	/* init architectures chained interrupt handler */
+	mxc_register_gpios();
+
 	printk(KERN_INFO "MXC IRQ initialized\n");
 }