42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* Copyright 2013-2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __CHIPTOD_H
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#define __CHIPTOD_H
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/* The ChipTOD is the HW facility that maintains a synchronized
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* time base across the fabric.
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*/
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enum chiptod_topology {
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chiptod_topo_unknown = -1,
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chiptod_topo_primary = 0,
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chiptod_topo_secondary = 1,
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};
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extern void chiptod_init(void);
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extern bool chiptod_wakeup_resync(void);
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extern int chiptod_recover_tb_errors(bool *out_resynced);
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extern bool tfmr_recover_local_errors(uint64_t tfmr);
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extern bool recover_corrupt_tfmr(void);
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extern void tfmr_cleanup_core_errors(uint64_t tfmr);
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extern int tfmr_clear_core_errors(uint64_t tfmr);
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extern bool chiptod_adjust_topology(enum chiptod_topology topo, bool enable);
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extern bool chiptod_capp_timebase_sync(unsigned int chip_id, uint32_t tfmr_addr,
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uint32_t tb_addr, uint32_t offset);
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extern int chiptod_recover_tod_errors(void);
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#endif /* __CHIPTOD_H */
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