1 /******************************************************************************
4 Copyright (C) 2013 Vayavya Labs Pvt Ltd
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
22 Author: Rayagond Kokatanur <rayagond@vayavyalabs.com>
23 ******************************************************************************/
25 #ifndef __STMMAC_PTP_H__
26 #define __STMMAC_PTP_H__
28 #define PTP_GMAC4_OFFSET 0xb00
29 #define PTP_GMAC3_X_OFFSET 0x700
31 /* IEEE 1588 PTP register offsets */
32 #define PTP_TCR 0x00 /* Timestamp Control Reg */
33 #define PTP_SSIR 0x04 /* Sub-Second Increment Reg */
34 #define PTP_STSR 0x08 /* System Time – Seconds Regr */
35 #define PTP_STNSR 0x0c /* System Time – Nanoseconds Reg */
36 #define PTP_STSUR 0x10 /* System Time – Seconds Update Reg */
37 #define PTP_STNSUR 0x14 /* System Time – Nanoseconds Update Reg */
38 #define PTP_TAR 0x18 /* Timestamp Addend Reg */
40 #define PTP_STNSUR_ADDSUB_SHIFT 31
41 #define PTP_DIGITAL_ROLLOVER_MODE 0x3B9ACA00 /* 10e9-1 ns */
42 #define PTP_BINARY_ROLLOVER_MODE 0x80000000 /* ~0.466 ns */
44 /* PTP Timestamp control register defines */
45 #define PTP_TCR_TSENA BIT(0) /* Timestamp Enable */
46 #define PTP_TCR_TSCFUPDT BIT(1) /* Timestamp Fine/Coarse Update */
47 #define PTP_TCR_TSINIT BIT(2) /* Timestamp Initialize */
48 #define PTP_TCR_TSUPDT BIT(3) /* Timestamp Update */
49 #define PTP_TCR_TSTRIG BIT(4) /* Timestamp Interrupt Trigger Enable */
50 #define PTP_TCR_TSADDREG BIT(5) /* Addend Reg Update */
51 #define PTP_TCR_TSENALL BIT(8) /* Enable Timestamp for All Frames */
52 #define PTP_TCR_TSCTRLSSR BIT(9) /* Digital or Binary Rollover Control */
53 /* Enable PTP packet Processing for Version 2 Format */
54 #define PTP_TCR_TSVER2ENA BIT(10)
55 /* Enable Processing of PTP over Ethernet Frames */
56 #define PTP_TCR_TSIPENA BIT(11)
57 /* Enable Processing of PTP Frames Sent over IPv6-UDP */
58 #define PTP_TCR_TSIPV6ENA BIT(12)
59 /* Enable Processing of PTP Frames Sent over IPv4-UDP */
60 #define PTP_TCR_TSIPV4ENA BIT(13)
61 /* Enable Timestamp Snapshot for Event Messages */
62 #define PTP_TCR_TSEVNTENA BIT(14)
63 /* Enable Snapshot for Messages Relevant to Master */
64 #define PTP_TCR_TSMSTRENA BIT(15)
65 /* Select PTP packets for Taking Snapshots */
66 #define PTP_TCR_SNAPTYPSEL_1 BIT(16)
67 #define PTP_GMAC4_TCR_SNAPTYPSEL_1 GENMASK(17, 16)
68 /* Enable MAC address for PTP Frame Filtering */
69 #define PTP_TCR_TSENMACADDR BIT(18)
72 #define PTP_SSIR_SSINC_MASK 0xff
73 #define GMAC4_PTP_SSIR_SSINC_SHIFT 16
75 #endif /* __STMMAC_PTP_H__ */