regroup interrupt controller register definitions in hardware.h

[openwrt/staging/yousong.git] / target / linux / mcs814x / files-3.3 / arch / arm / mach-mcs814x / include / mach / entry-macro.S

diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/entry-macro.S b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/entry-macro.S
index eeff72ca643bd9d35df003d1fe55458e75b37261..58ad30ea0a151010611883dd470b9eba629cbb14 100644 (file)
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/entry-macro.S
+++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/entry-macro.S
@@ -11,8 +11,8 @@
                .endm
 
                .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
-               mov     \tmp, #0x40
-               ldr     \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
@@ -23,7 +23,7 @@
                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, #0x00              @ ICR offset
+               mov     \tmp, #MCS814X_IRQ_STS0  @ load tmp with ICR offset
                str     \irqstat,  [\base, \tmp] @ clear irq with selected mask
 1002:
                 .endm