diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-imx/irq.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c index 0791b56caecc..a7465db84893 100644 --- a/arch/arm/mach-imx/irq.c +++ b/arch/arm/mach-imx/irq.c | |||
@@ -43,12 +43,46 @@ | |||
43 | * | 43 | * |
44 | */ | 44 | */ |
45 | 45 | ||
46 | #define INTENNUM_OFF 0x8 | 46 | #define INTCNTL_OFF 0x00 |
47 | #define INTDISNUM_OFF 0xC | 47 | #define NIMASK_OFF 0x04 |
48 | #define INTENNUM_OFF 0x08 | ||
49 | #define INTDISNUM_OFF 0x0C | ||
50 | #define INTENABLEH_OFF 0x10 | ||
51 | #define INTENABLEL_OFF 0x14 | ||
52 | #define INTTYPEH_OFF 0x18 | ||
53 | #define INTTYPEL_OFF 0x1C | ||
54 | #define NIPRIORITY_OFF(x) (0x20+4*(7-(x))) | ||
55 | #define NIVECSR_OFF 0x40 | ||
56 | #define FIVECSR_OFF 0x44 | ||
57 | #define INTSRCH_OFF 0x48 | ||
58 | #define INTSRCL_OFF 0x4C | ||
59 | #define INTFRCH_OFF 0x50 | ||
60 | #define INTFRCL_OFF 0x54 | ||
61 | #define NIPNDH_OFF 0x58 | ||
62 | #define NIPNDL_OFF 0x5C | ||
63 | #define FIPNDH_OFF 0x60 | ||
64 | #define FIPNDL_OFF 0x64 | ||
48 | 65 | ||
49 | #define VA_AITC_BASE IO_ADDRESS(IMX_AITC_BASE) | 66 | #define VA_AITC_BASE IO_ADDRESS(IMX_AITC_BASE) |
50 | #define IMX_AITC_INTDISNUM (VA_AITC_BASE + INTDISNUM_OFF) | 67 | #define IMX_AITC_INTCNTL (VA_AITC_BASE + INTCNTL_OFF) |
68 | #define IMX_AITC_NIMASK (VA_AITC_BASE + NIMASK_OFF) | ||
51 | #define IMX_AITC_INTENNUM (VA_AITC_BASE + INTENNUM_OFF) | 69 | #define IMX_AITC_INTENNUM (VA_AITC_BASE + INTENNUM_OFF) |
70 | #define IMX_AITC_INTDISNUM (VA_AITC_BASE + INTDISNUM_OFF) | ||
71 | #define IMX_AITC_INTENABLEH (VA_AITC_BASE + INTENABLEH_OFF) | ||
72 | #define IMX_AITC_INTENABLEL (VA_AITC_BASE + INTENABLEL_OFF) | ||
73 | #define IMX_AITC_INTTYPEH (VA_AITC_BASE + INTTYPEH_OFF) | ||
74 | #define IMX_AITC_INTTYPEL (VA_AITC_BASE + INTTYPEL_OFF) | ||
75 | #define IMX_AITC_NIPRIORITY(x) (VA_AITC_BASE + NIPRIORITY_OFF(x)) | ||
76 | #define IMX_AITC_NIVECSR (VA_AITC_BASE + NIVECSR_OFF) | ||
77 | #define IMX_AITC_FIVECSR (VA_AITC_BASE + FIVECSR_OFF) | ||
78 | #define IMX_AITC_INTSRCH (VA_AITC_BASE + INTSRCH_OFF) | ||
79 | #define IMX_AITC_INTSRCL (VA_AITC_BASE + INTSRCL_OFF) | ||
80 | #define IMX_AITC_INTFRCH (VA_AITC_BASE + INTFRCH_OFF) | ||
81 | #define IMX_AITC_INTFRCL (VA_AITC_BASE + INTFRCL_OFF) | ||
82 | #define IMX_AITC_NIPNDH (VA_AITC_BASE + NIPNDH_OFF) | ||
83 | #define IMX_AITC_NIPNDL (VA_AITC_BASE + NIPNDL_OFF) | ||
84 | #define IMX_AITC_FIPNDH (VA_AITC_BASE + FIPNDH_OFF) | ||
85 | #define IMX_AITC_FIPNDL (VA_AITC_BASE + FIPNDL_OFF) | ||
52 | 86 | ||
53 | #if 0 | 87 | #if 0 |
54 | #define DEBUG_IRQ(fmt...) printk(fmt) | 88 | #define DEBUG_IRQ(fmt...) printk(fmt) |
@@ -222,7 +256,12 @@ imx_init_irq(void) | |||
222 | 256 | ||
223 | DEBUG_IRQ("Initializing imx interrupts\n"); | 257 | DEBUG_IRQ("Initializing imx interrupts\n"); |
224 | 258 | ||
225 | /* Mask all interrupts initially */ | 259 | /* Disable all interrupts initially. */ |
260 | /* Do not rely on the bootloader. */ | ||
261 | __raw_writel(0, IMX_AITC_INTENABLEH); | ||
262 | __raw_writel(0, IMX_AITC_INTENABLEL); | ||
263 | |||
264 | /* Mask all GPIO interrupts as well */ | ||
226 | IMR(0) = 0; | 265 | IMR(0) = 0; |
227 | IMR(1) = 0; | 266 | IMR(1) = 0; |
228 | IMR(2) = 0; | 267 | IMR(2) = 0; |
@@ -245,6 +284,6 @@ imx_init_irq(void) | |||
245 | set_irq_chained_handler(GPIO_INT_PORTC, imx_gpioc_demux_handler); | 284 | set_irq_chained_handler(GPIO_INT_PORTC, imx_gpioc_demux_handler); |
246 | set_irq_chained_handler(GPIO_INT_PORTD, imx_gpiod_demux_handler); | 285 | set_irq_chained_handler(GPIO_INT_PORTD, imx_gpiod_demux_handler); |
247 | 286 | ||
248 | /* Disable all interrupts initially. */ | 287 | /* Release masking of interrupts according to priority */ |
249 | /* In IMX this is done in the bootloader. */ | 288 | __raw_writel(-1, IMX_AITC_NIMASK); |
250 | } | 289 | } |