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68 lines
2.3 KiB
68 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* PTP 1588 clock using the IXP46X |
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* |
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* Copyright (C) 2010 OMICRON electronics GmbH |
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*/ |
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#ifndef _IXP46X_TS_H_ |
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#define _IXP46X_TS_H_ |
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#define DEFAULT_ADDEND 0xF0000029 |
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#define TICKS_NS_SHIFT 4 |
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struct ixp46x_channel_ctl { |
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u32 ch_control; /* 0x40 Time Synchronization Channel Control */ |
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u32 ch_event; /* 0x44 Time Synchronization Channel Event */ |
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u32 tx_snap_lo; /* 0x48 Transmit Snapshot Low Register */ |
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u32 tx_snap_hi; /* 0x4C Transmit Snapshot High Register */ |
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u32 rx_snap_lo; /* 0x50 Receive Snapshot Low Register */ |
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u32 rx_snap_hi; /* 0x54 Receive Snapshot High Register */ |
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u32 src_uuid_lo; /* 0x58 Source UUID0 Low Register */ |
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u32 src_uuid_hi; /* 0x5C Sequence Identifier/Source UUID0 High */ |
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}; |
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struct ixp46x_ts_regs { |
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u32 control; /* 0x00 Time Sync Control Register */ |
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u32 event; /* 0x04 Time Sync Event Register */ |
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u32 addend; /* 0x08 Time Sync Addend Register */ |
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u32 accum; /* 0x0C Time Sync Accumulator Register */ |
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u32 test; /* 0x10 Time Sync Test Register */ |
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u32 unused; /* 0x14 */ |
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u32 rsystime_lo; /* 0x18 RawSystemTime_Low Register */ |
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u32 rsystime_hi; /* 0x1C RawSystemTime_High Register */ |
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u32 systime_lo; /* 0x20 SystemTime_Low Register */ |
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u32 systime_hi; /* 0x24 SystemTime_High Register */ |
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u32 trgt_lo; /* 0x28 TargetTime_Low Register */ |
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u32 trgt_hi; /* 0x2C TargetTime_High Register */ |
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u32 asms_lo; /* 0x30 Auxiliary Slave Mode Snapshot Low */ |
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u32 asms_hi; /* 0x34 Auxiliary Slave Mode Snapshot High */ |
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u32 amms_lo; /* 0x38 Auxiliary Master Mode Snapshot Low */ |
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u32 amms_hi; /* 0x3C Auxiliary Master Mode Snapshot High */ |
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struct ixp46x_channel_ctl channel[3]; |
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}; |
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/* 0x00 Time Sync Control Register Bits */ |
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#define TSCR_AMM (1<<3) |
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#define TSCR_ASM (1<<2) |
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#define TSCR_TTM (1<<1) |
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#define TSCR_RST (1<<0) |
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/* 0x04 Time Sync Event Register Bits */ |
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#define TSER_SNM (1<<3) |
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#define TSER_SNS (1<<2) |
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#define TTIPEND (1<<1) |
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/* 0x40 Time Synchronization Channel Control Register Bits */ |
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#define MASTER_MODE (1<<0) |
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#define TIMESTAMP_ALL (1<<1) |
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/* 0x44 Time Synchronization Channel Event Register Bits */ |
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#define TX_SNAPSHOT_LOCKED (1<<0) |
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#define RX_SNAPSHOT_LOCKED (1<<1) |
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/* The ptp_ixp46x module will set this variable */ |
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extern int ixp46x_phc_index; |
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#endif
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