diff options
| -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 0791b56caec..a7465db8489 100644 --- a/arch/arm/mach-imx/irq.c +++ b/arch/arm/mach-imx/irq.c @@ -43,12 +43,46 @@ * */ -#define INTENNUM_OFF 0x8 -#define INTDISNUM_OFF 0xC +#define INTCNTL_OFF 0x00 +#define NIMASK_OFF 0x04 +#define INTENNUM_OFF 0x08 +#define INTDISNUM_OFF 0x0C +#define INTENABLEH_OFF 0x10 +#define INTENABLEL_OFF 0x14 +#define INTTYPEH_OFF 0x18 +#define INTTYPEL_OFF 0x1C +#define NIPRIORITY_OFF(x) (0x20+4*(7-(x))) +#define NIVECSR_OFF 0x40 +#define FIVECSR_OFF 0x44 +#define INTSRCH_OFF 0x48 +#define INTSRCL_OFF 0x4C +#define INTFRCH_OFF 0x50 +#define INTFRCL_OFF 0x54 +#define NIPNDH_OFF 0x58 +#define NIPNDL_OFF 0x5C +#define FIPNDH_OFF 0x60 +#define FIPNDL_OFF 0x64 #define VA_AITC_BASE IO_ADDRESS(IMX_AITC_BASE) -#define IMX_AITC_INTDISNUM (VA_AITC_BASE + INTDISNUM_OFF) +#define IMX_AITC_INTCNTL (VA_AITC_BASE + INTCNTL_OFF) +#define IMX_AITC_NIMASK (VA_AITC_BASE + NIMASK_OFF) #define IMX_AITC_INTENNUM (VA_AITC_BASE + INTENNUM_OFF) +#define IMX_AITC_INTDISNUM (VA_AITC_BASE + INTDISNUM_OFF) +#define IMX_AITC_INTENABLEH (VA_AITC_BASE + INTENABLEH_OFF) +#define IMX_AITC_INTENABLEL (VA_AITC_BASE + INTENABLEL_OFF) +#define IMX_AITC_INTTYPEH (VA_AITC_BASE + INTTYPEH_OFF) +#define IMX_AITC_INTTYPEL (VA_AITC_BASE + INTTYPEL_OFF) +#define IMX_AITC_NIPRIORITY(x) (VA_AITC_BASE + NIPRIORITY_OFF(x)) +#define IMX_AITC_NIVECSR (VA_AITC_BASE + NIVECSR_OFF) +#define IMX_AITC_FIVECSR (VA_AITC_BASE + FIVECSR_OFF) +#define IMX_AITC_INTSRCH (VA_AITC_BASE + INTSRCH_OFF) +#define IMX_AITC_INTSRCL (VA_AITC_BASE + INTSRCL_OFF) +#define IMX_AITC_INTFRCH (VA_AITC_BASE + INTFRCH_OFF) +#define IMX_AITC_INTFRCL (VA_AITC_BASE + INTFRCL_OFF) +#define IMX_AITC_NIPNDH (VA_AITC_BASE + NIPNDH_OFF) +#define IMX_AITC_NIPNDL (VA_AITC_BASE + NIPNDL_OFF) +#define IMX_AITC_FIPNDH (VA_AITC_BASE + FIPNDH_OFF) +#define IMX_AITC_FIPNDL (VA_AITC_BASE + FIPNDL_OFF) #if 0 #define DEBUG_IRQ(fmt...) printk(fmt) @@ -222,7 +256,12 @@ imx_init_irq(void) DEBUG_IRQ("Initializing imx interrupts\n"); - /* Mask all interrupts initially */ + /* Disable all interrupts initially. */ + /* Do not rely on the bootloader. */ + __raw_writel(0, IMX_AITC_INTENABLEH); + __raw_writel(0, IMX_AITC_INTENABLEL); + + /* Mask all GPIO interrupts as well */ IMR(0) = 0; IMR(1) = 0; IMR(2) = 0; @@ -245,6 +284,6 @@ imx_init_irq(void) set_irq_chained_handler(GPIO_INT_PORTC, imx_gpioc_demux_handler); set_irq_chained_handler(GPIO_INT_PORTD, imx_gpiod_demux_handler); - /* Disable all interrupts initially. */ - /* In IMX this is done in the bootloader. */ + /* Release masking of interrupts according to priority */ + __raw_writel(-1, IMX_AITC_NIMASK); } |