MIPS: Add new GIC clockevent driver.
Add new clockevent driver that uses the counter present on the MIPS
Global Interrupt Controller.
Signed-off-by: Raghu Gandham <Raghu.Gandham@imgtec.com>
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h
index 398cf54..7153b32 100644
--- a/arch/mips/include/asm/gic.h
+++ b/arch/mips/include/asm/gic.h
@@ -202,7 +202,7 @@
#define GIC_VPE_WD_COUNT0_OFS 0x0094
#define GIC_VPE_WD_INITIAL0_OFS 0x0098
#define GIC_VPE_COMPARE_LO_OFS 0x00a0
-#define GIC_VPE_COMPARE_HI 0x00a4
+#define GIC_VPE_COMPARE_HI_OFS 0x00a4
#define GIC_VPE_EIC_SHADOW_SET_BASE 0x0100
#define GIC_VPE_EIC_SS(intr) \
@@ -373,7 +373,10 @@
unsigned long gic_addrspace_size, struct gic_intr_map *intrmap,
unsigned int intrmap_size, unsigned int irqbase);
extern void gic_clocksource_init(unsigned int);
+extern unsigned int gic_compare_int (void);
extern cycle_t gic_read_count(void);
+extern cycle_t gic_read_compare(void);
+extern void gic_write_compare(cycle_t cnt);
extern void gic_send_ipi(unsigned int intr);
extern unsigned int plat_ipi_call_int_xlate(unsigned int);
extern unsigned int plat_ipi_resched_int_xlate(unsigned int);
diff --git a/arch/mips/include/asm/time.h b/arch/mips/include/asm/time.h
index 4784218..2d7b9df 100644
--- a/arch/mips/include/asm/time.h
+++ b/arch/mips/include/asm/time.h
@@ -53,11 +53,14 @@
extern unsigned int __weak get_c0_compare_int(void);
extern int r4k_clockevent_init(void);
extern int smtc_clockevent_init(void);
+extern int gic_clockevent_init(void);
static inline int mips_clockevent_init(void)
{
#ifdef CONFIG_MIPS_MT_SMTC
return smtc_clockevent_init();
+#elif defined(CONFIG_CEVT_GIC)
+ return (gic_clockevent_init() | r4k_clockevent_init());
#elif defined(CONFIG_CEVT_R4K)
return r4k_clockevent_init();
#else