[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>

3 files changed, 16 insertions, 3 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
diff --git a/include/asm-arm/arch-realview/irqs.h b/include/asm-arm/arch-realview/irqs.h
index ff376494e5b1..c16223c9588d 100644
--- a/include/asm-arm/arch-realview/irqs.h
+++ b/include/asm-arm/arch-realview/irqs.h
@@ -21,6 +21,9 @@
 
 #include <asm/arch/platform.h>
 
+#define IRQ_LOCALTIMER                  29
+#define IRQ_LOCALWDOG                   30
+
 /* 
  *  IRQ interrupts definitions are the same the INT definitions
  *  held within platform.h
diff --git a/include/asm-arm/arch-realview/platform.h b/include/asm-arm/arch-realview/platform.h
index aef9b36b3c37..18d7c18b738c 100644
--- a/include/asm-arm/arch-realview/platform.h
+++ b/include/asm-arm/arch-realview/platform.h
@@ -209,6 +209,8 @@
 #else
 #define REALVIEW_MPCORE_SCU_BASE        0x10100000      /*  SCU registers */
 #define REALVIEW_GIC_CPU_BASE           0x10100100      /* Generic interrupt controller CPU interface */
+#define REALVIEW_TWD_BASE               0x10100700
+#define REALVIEW_TWD_SIZE               0x00000100
 #define REALVIEW_GIC_DIST_BASE          0x10101000      /* Generic interrupt controller distributor */
 #endif
 #define REALVIEW_SMC_BASE             0x10080000        /* SMC */
@@ -305,9 +307,6 @@
 #define INT_TSPENINT                    30      /* Touchscreen pen */
 #define INT_TSKPADINT                   31      /* Touchscreen keypad */
 #else
-#define INT_LOCALTIMER                  29
-#define INT_LOCALWDOG                   30
-
 #define INT_AACI                        0
 #define INT_TIMERINT0_1                 1
 #define INT_TIMERINT2_3                 2