mcs814x: implement MULTI_IRQ_HANDLER
[openwrt/svn-archive/archive.git] / target / linux / mcs814x / files-3.3 / arch / arm / mach-mcs814x / include / mach / entry-macro.S
index eaca5921c6a8a7c9d71b3bddeef5280ab9e66bed..16d2d6d1af03d286c0643f7bf55df2e7af1baefb 100644 (file)
@@ -4,26 +4,3 @@
 
                .macro arch_ret_to_user, tmp1, tmp2
                .endm
-
-               .macro  get_irqnr_preamble, base, tmp
-               ldr     \base, =mcs814x_intc_base       @ base virtual address of AIC peripheral
-               ldr     \base, [\base]
-               .endm
-
-               .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
-               mov     \tmp, #MCS814X_IRQ_STS0  @ load tmp with STS0 register offset
-               ldr     \irqstat, [\base, \tmp]  @ load value at base + tmp
-               tst     \irqstat, \irqstat       @ test if no active IRQ's
-               beq     1002f                    @ if no active irqs return with status 0
-               mov     \irqnr, #0               @ start from irq zero
-               mov     \tmp,   #1               @ the mask initially 1
-1001:
-               tst     \irqstat, \tmp           @ and with mask
-               addeq   \irqnr, \irqnr, #1       @ if  zero then add one to nr
-               moveq   \tmp,   \tmp, lsl #1     @ shift mask one to left
-               beq     1001b                    @ if  zero then loop again
-               mov     \irqstat, \tmp           @ save the return mask
-               mov     \tmp, #MCS814X_IRQ_STS0  @ load tmp with ICR offset
-               str     \irqstat,  [\base, \tmp] @ clear irq with selected mask
-1002:
-                .endm