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-rw-r--r--arch/arm/mach-imx/irq.c51
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}