diff options
| author | Darius Augulis <augulis.darius@gmail.com> | 2008-09-09 11:29:41 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-09-09 12:13:50 +0200 |
| commit | 479c901f59762732dee305166ae477171cae3617 (patch) | |
| tree | b061499771021b431d54ec46fe66b3b31be4a37f /arch/arm/plat-mxc/include | |
| parent | d7568f79d5c289d0d7859680be7b5afdcea0c9b2 (diff) | |
MXC: Lets handle IRQ by priority, defined with exported API function
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/include')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/entry-macro.S | 12 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/irqs.h | 1 |
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S index b542433afb1..11632028f7d 100644 --- a/arch/arm/plat-mxc/include/mach/entry-macro.S +++ b/arch/arm/plat-mxc/include/mach/entry-macro.S @@ -9,11 +9,17 @@ * published by the Free Software Foundation. */ +#define AVIC_NIMASK 0x04 + @ this macro disables fast irq (not implemented) .macro disable_fiq .endm .macro get_irqnr_preamble, base, tmp + ldr \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR) +#ifdef CONFIG_MXC_IRQ_PRIOR + ldr r4, [\base, #AVIC_NIMASK] +#endif .endm .macro arch_ret_to_user, tmp1, tmp2 @@ -23,7 +29,6 @@ @ and returns its number in irqnr @ and returns if an interrupt occured in irqstat .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR) @ Load offset & priority of the highest priority @ interrupt pending from AVIC_NIVECSR ldr \irqstat, [\base, #0x40] @@ -32,6 +37,11 @@ mov \irqnr, \irqstat, asr #16 @ set zero flag if IRQ + 1 == 0 adds \tmp, \irqnr, #1 +#ifdef CONFIG_MXC_IRQ_PRIOR + bicne \tmp, \irqstat, #0xFFFFFFE0 + strne \tmp, [\base, #AVIC_NIMASK] + streq r4, [\base, #AVIC_NIMASK] +#endif .endm @ irq priority table (not used) diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h index 228c4f68ccd..b55bba35e18 100644 --- a/arch/arm/plat-mxc/include/mach/irqs.h +++ b/arch/arm/plat-mxc/include/mach/irqs.h @@ -12,5 +12,6 @@ #define __ASM_ARCH_MXC_IRQS_H__ #include <mach/hardware.h> +extern void imx_irq_set_priority(unsigned char irq, unsigned char prio); #endif /* __ASM_ARCH_MXC_IRQS_H__ */ |