diff options
Diffstat (limited to 'arch/arm/plat-mxc/irq.c')
-rw-r--r-- | arch/arm/plat-mxc/irq.c | 70 |
1 files changed, 54 insertions, 16 deletions
diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c index 2ad5a6917b3f..1fbe01da6925 100644 --- a/arch/arm/plat-mxc/irq.c +++ b/arch/arm/plat-mxc/irq.c | |||
@@ -1,24 +1,59 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. | 2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. |
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
3 | */ | 18 | */ |
4 | 19 | ||
5 | /* | 20 | #include <linux/irq.h> |
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #include <linux/module.h> | ||
12 | #include <linux/moduleparam.h> | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/device.h> | ||
15 | #include <linux/errno.h> | ||
16 | #include <asm/hardware.h> | ||
17 | #include <asm/io.h> | 21 | #include <asm/io.h> |
18 | #include <asm/irq.h> | ||
19 | #include <asm/mach/irq.h> | ||
20 | #include <asm/arch/common.h> | 22 | #include <asm/arch/common.h> |
21 | 23 | ||
24 | #define AVIC_BASE IO_ADDRESS(AVIC_BASE_ADDR) | ||
25 | #define AVIC_INTCNTL (AVIC_BASE + 0x00) /* int control reg */ | ||
26 | #define AVIC_NIMASK (AVIC_BASE + 0x04) /* int mask reg */ | ||
27 | #define AVIC_INTENNUM (AVIC_BASE + 0x08) /* int enable number reg */ | ||
28 | #define AVIC_INTDISNUM (AVIC_BASE + 0x0C) /* int disable number reg */ | ||
29 | #define AVIC_INTENABLEH (AVIC_BASE + 0x10) /* int enable reg high */ | ||
30 | #define AVIC_INTENABLEL (AVIC_BASE + 0x14) /* int enable reg low */ | ||
31 | #define AVIC_INTTYPEH (AVIC_BASE + 0x18) /* int type reg high */ | ||
32 | #define AVIC_INTTYPEL (AVIC_BASE + 0x1C) /* int type reg low */ | ||
33 | #define AVIC_NIPRIORITY7 (AVIC_BASE + 0x20) /* norm int priority lvl7 */ | ||
34 | #define AVIC_NIPRIORITY6 (AVIC_BASE + 0x24) /* norm int priority lvl6 */ | ||
35 | #define AVIC_NIPRIORITY5 (AVIC_BASE + 0x28) /* norm int priority lvl5 */ | ||
36 | #define AVIC_NIPRIORITY4 (AVIC_BASE + 0x2C) /* norm int priority lvl4 */ | ||
37 | #define AVIC_NIPRIORITY3 (AVIC_BASE + 0x30) /* norm int priority lvl3 */ | ||
38 | #define AVIC_NIPRIORITY2 (AVIC_BASE + 0x34) /* norm int priority lvl2 */ | ||
39 | #define AVIC_NIPRIORITY1 (AVIC_BASE + 0x38) /* norm int priority lvl1 */ | ||
40 | #define AVIC_NIPRIORITY0 (AVIC_BASE + 0x3C) /* norm int priority lvl0 */ | ||
41 | #define AVIC_NIVECSR (AVIC_BASE + 0x40) /* norm int vector/status */ | ||
42 | #define AVIC_FIVECSR (AVIC_BASE + 0x44) /* fast int vector/status */ | ||
43 | #define AVIC_INTSRCH (AVIC_BASE + 0x48) /* int source reg high */ | ||
44 | #define AVIC_INTSRCL (AVIC_BASE + 0x4C) /* int source reg low */ | ||
45 | #define AVIC_INTFRCH (AVIC_BASE + 0x50) /* int force reg high */ | ||
46 | #define AVIC_INTFRCL (AVIC_BASE + 0x54) /* int force reg low */ | ||
47 | #define AVIC_NIPNDH (AVIC_BASE + 0x58) /* norm int pending high */ | ||
48 | #define AVIC_NIPNDL (AVIC_BASE + 0x5C) /* norm int pending low */ | ||
49 | #define AVIC_FIPNDH (AVIC_BASE + 0x60) /* fast int pending high */ | ||
50 | #define AVIC_FIPNDL (AVIC_BASE + 0x64) /* fast int pending low */ | ||
51 | |||
52 | #define SYSTEM_PREV_REG IO_ADDRESS(IIM_BASE_ADDR + 0x20) | ||
53 | #define SYSTEM_SREV_REG IO_ADDRESS(IIM_BASE_ADDR + 0x24) | ||
54 | #define IIM_PROD_REV_SH 3 | ||
55 | #define IIM_PROD_REV_LEN 5 | ||
56 | |||
22 | /* Disable interrupt number "irq" in the AVIC */ | 57 | /* Disable interrupt number "irq" in the AVIC */ |
23 | static void mxc_mask_irq(unsigned int irq) | 58 | static void mxc_mask_irq(unsigned int irq) |
24 | { | 59 | { |
@@ -32,7 +67,7 @@ static void mxc_unmask_irq(unsigned int irq) | |||
32 | } | 67 | } |
33 | 68 | ||
34 | static struct irq_chip mxc_avic_chip = { | 69 | static struct irq_chip mxc_avic_chip = { |
35 | .mask_ack = mxc_mask_irq, | 70 | .ack = mxc_mask_irq, |
36 | .mask = mxc_mask_irq, | 71 | .mask = mxc_mask_irq, |
37 | .unmask = mxc_unmask_irq, | 72 | .unmask = mxc_unmask_irq, |
38 | }; | 73 | }; |
@@ -71,5 +106,8 @@ void __init mxc_init_irq(void) | |||
71 | reg |= (0xF << 28); | 106 | reg |= (0xF << 28); |
72 | __raw_writel(reg, AVIC_NIPRIORITY6); | 107 | __raw_writel(reg, AVIC_NIPRIORITY6); |
73 | 108 | ||
109 | /* init architectures chained interrupt handler */ | ||
110 | mxc_register_gpios(); | ||
111 | |||
74 | printk(KERN_INFO "MXC IRQ initialized\n"); | 112 | printk(KERN_INFO "MXC IRQ initialized\n"); |
75 | } | 113 | } |