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a41a5b26d2
The platform data is needed to compile the driver as standalone, so move it to a global location along with similar files. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/* 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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