[ARM SMP] Add local timer support for Realview MPcore

Add platform specific parts for local timer support for the
Realview board.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/asm-arm/arch-realview/entry-macro.S b/include/asm-arm/arch-realview/entry-macro.S
index 4df469bf42e2..6288fad0dc41 100644
--- a/include/asm-arm/arch-realview/entry-macro.S
+++ b/include/asm-arm/arch-realview/entry-macro.S
@@ -61,3 +61,14 @@
                 strcc   \irqstat, [\base, #GIC_CPU_EOI]
                 cmpcs   \irqnr, \irqnr
                 .endm
+
+                /* As above, this assumes that irqstat and base are preserved.. */
+
+                .macro test_for_ltirq, irqnr, irqstat, base, tmp
+                bic     \irqnr, \irqstat, #0x1c00
+                mov     \tmp, #0
+                cmp     \irqnr, #29
+                moveq   \tmp, #1
+                streq   \irqstat, [\base, #GIC_CPU_EOI]
+                cmp     \tmp, #0
+                .endm