eb90ab9437
Provide a new function mips_gictimer_get_freq() which returns the frequency at which a GIC timer will count. This will be useful for boards which perform setup based upon this frequency. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2016 Imagination Technologies
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*
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*/
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#ifndef MIPS_GICTIMER_H
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#define MIPS_GICTIMER_H
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typedef struct MIPSGICTimerVPState MIPSGICTimerVPState;
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typedef struct MIPSGICTimerState MIPSGICTimerState;
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typedef void MIPSGICTimerCB(void *opaque, uint32_t vp_index);
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struct MIPSGICTimerVPState {
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QEMUTimer *qtimer;
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uint32_t vp_index;
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uint32_t comparelo;
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MIPSGICTimerState *gictimer;
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};
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struct MIPSGICTimerState {
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void *opaque;
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uint8_t countstop;
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uint32_t sh_counterlo;
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int32_t num_vps;
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MIPSGICTimerVPState *vptimers;
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MIPSGICTimerCB *cb;
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};
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uint32_t mips_gictimer_get_freq(MIPSGICTimerState *gic);
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uint32_t mips_gictimer_get_sh_count(MIPSGICTimerState *gic);
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void mips_gictimer_store_sh_count(MIPSGICTimerState *gic, uint64_t count);
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uint32_t mips_gictimer_get_vp_compare(MIPSGICTimerState *gictimer,
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uint32_t vp_index);
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void mips_gictimer_store_vp_compare(MIPSGICTimerState *gic, uint32_t vp_index,
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uint64_t compare);
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uint8_t mips_gictimer_get_countstop(MIPSGICTimerState *gic);
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void mips_gictimer_start_count(MIPSGICTimerState *gic);
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void mips_gictimer_stop_count(MIPSGICTimerState *gic);
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MIPSGICTimerState *mips_gictimer_init(void *opaque, uint32_t nvps,
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MIPSGICTimerCB *cb);
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#endif /* MIPS_GICTIMER_H */
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