diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/entry-macro.S | 58 |
1 files changed, 1 insertions, 57 deletions
diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S index 066d464..842fbcb 100644 --- a/arch/arm/plat-mxc/include/mach/entry-macro.S +++ b/arch/arm/plat-mxc/include/mach/entry-macro.S @@ -9,72 +9,16 @@ * published by the Free Software Foundation. */ -#include <mach/hardware.h> +/* Unused, we use CONFIG_MULTI_IRQ_HANDLER */ -#define AVIC_NIMASK 0x04 - - @ this macro disables fast irq (not implemented) .macro disable_fiq .endm .macro get_irqnr_preamble, base, tmp -#ifndef CONFIG_MXC_TZIC - ldr \base, =avic_base - ldr \base, [\base] -#ifdef CONFIG_MXC_IRQ_PRIOR - ldr r4, [\base, #AVIC_NIMASK] -#endif -#elif defined CONFIG_MXC_TZIC - ldr \base, =tzic_base - ldr \base, [\base] -#endif /* CONFIG_MXC_TZIC */ .endm .macro arch_ret_to_user, tmp1, tmp2 .endm - @ this macro checks which interrupt occurred - @ and returns its number in irqnr - @ and returns if an interrupt occurred in irqstat .macro get_irqnr_and_base, irqnr, irqstat, base, tmp -#ifndef CONFIG_MXC_TZIC - @ Load offset & priority of the highest priority - @ interrupt pending from AVIC_NIVECSR - ldr \irqstat, [\base, #0x40] - @ Shift to get the decoded IRQ number, using ASR so - @ 'no interrupt pending' becomes 0xffffffff - 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 -#elif defined CONFIG_MXC_TZIC - @ Load offset & priority of the highest priority - @ interrupt pending. - @ 0x080 is INTSEC0 register - @ 0xD80 is HIPND0 register - mov \irqnr, #0 -1000: add \irqstat, \base, \irqnr, lsr #3 - ldr \tmp, [\irqstat, #0xd80] - ldr \irqstat, [\irqstat, #0x080] - ands \tmp, \tmp, \irqstat - bne 1001f - add \irqnr, \irqnr, #32 - cmp \irqnr, #128 - blo 1000b - b 2001f -1001: mov \irqstat, #1 -1002: tst \tmp, \irqstat - bne 2002f - movs \tmp, \tmp, lsr #1 - addne \irqnr, \irqnr, #1 - bne 1002b -2001: - mov \irqnr, #0 -2002: - movs \irqnr, \irqnr -#endif .endm |
