| /* |
| * PTP 1588 clock using the IXP46X |
| * |
| * Copyright (C) 2010 OMICRON electronics GmbH |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef _IXP46X_TS_H_ |
| #define _IXP46X_TS_H_ |
| |
| #define DEFAULT_ADDEND 0xF0000029 |
| #define TICKS_NS_SHIFT 4 |
| |
| struct ixp46x_channel_ctl { |
| u32 ch_control; /* 0x40 Time Synchronization Channel Control */ |
| u32 ch_event; /* 0x44 Time Synchronization Channel Event */ |
| u32 tx_snap_lo; /* 0x48 Transmit Snapshot Low Register */ |
| u32 tx_snap_hi; /* 0x4C Transmit Snapshot High Register */ |
| u32 rx_snap_lo; /* 0x50 Receive Snapshot Low Register */ |
| u32 rx_snap_hi; /* 0x54 Receive Snapshot High Register */ |
| u32 src_uuid_lo; /* 0x58 Source UUID0 Low Register */ |
| u32 src_uuid_hi; /* 0x5C Sequence Identifier/Source UUID0 High */ |
| }; |
| |
| struct ixp46x_ts_regs { |
| u32 control; /* 0x00 Time Sync Control Register */ |
| u32 event; /* 0x04 Time Sync Event Register */ |
| u32 addend; /* 0x08 Time Sync Addend Register */ |
| u32 accum; /* 0x0C Time Sync Accumulator Register */ |
| u32 test; /* 0x10 Time Sync Test Register */ |
| u32 unused; /* 0x14 */ |
| u32 rsystime_lo; /* 0x18 RawSystemTime_Low Register */ |
| u32 rsystime_hi; /* 0x1C RawSystemTime_High Register */ |
| u32 systime_lo; /* 0x20 SystemTime_Low Register */ |
| u32 systime_hi; /* 0x24 SystemTime_High Register */ |
| u32 trgt_lo; /* 0x28 TargetTime_Low Register */ |
| u32 trgt_hi; /* 0x2C TargetTime_High Register */ |
| u32 asms_lo; /* 0x30 Auxiliary Slave Mode Snapshot Low */ |
| u32 asms_hi; /* 0x34 Auxiliary Slave Mode Snapshot High */ |
| u32 amms_lo; /* 0x38 Auxiliary Master Mode Snapshot Low */ |
| u32 amms_hi; /* 0x3C Auxiliary Master Mode Snapshot High */ |
| |
| struct ixp46x_channel_ctl channel[3]; |
| }; |
| |
| /* 0x00 Time Sync Control Register Bits */ |
| #define TSCR_AMM (1<<3) |
| #define TSCR_ASM (1<<2) |
| #define TSCR_TTM (1<<1) |
| #define TSCR_RST (1<<0) |
| |
| /* 0x04 Time Sync Event Register Bits */ |
| #define TSER_SNM (1<<3) |
| #define TSER_SNS (1<<2) |
| #define TTIPEND (1<<1) |
| |
| /* 0x40 Time Synchronization Channel Control Register Bits */ |
| #define MASTER_MODE (1<<0) |
| #define TIMESTAMP_ALL (1<<1) |
| |
| /* 0x44 Time Synchronization Channel Event Register Bits */ |
| #define TX_SNAPSHOT_LOCKED (1<<0) |
| #define RX_SNAPSHOT_LOCKED (1<<1) |
| |
| /* The ptp_ixp46x module will set this variable */ |
| extern int ixp46x_phc_index; |
| |
| #endif |
