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MIPS: Add new GIC clockevent driver.

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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>
This commit is contained in:
Raghu Gandham
2013-04-10 16:30:12 -05:00
committed by Ralf Baechle
parent 2675fa7c7b
commit 0ab2b7d08e
8 changed files with 163 additions and 2 deletions
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5
arch/mips/include/asm/gic.h
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@@ -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 @@ extern void gic_init(unsigned long gic_base_addr,
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);