aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp4xx/include
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 11:59:42 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 11:59:42 -0400
commit22e12bbc9bc38c6d0bd541d061a0f547596fc19d (patch)
tree39b93f43b482c5b4cb9d99933384a8a7fcb85d71 /arch/arm/mach-ixp4xx/include
parent19426a8f810752b4218e59b1e2187f33e255f7bc (diff)
parent86ff9baadf16c8a1b452d72f5585be63457d9b15 (diff)
Merge branch 'timers-ptp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-ptp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: ptp: Fix dp83640 build warning when building statically ptp: Added a clock driver for the National Semiconductor PHYTER. ptp: Added a clock driver for the IXP46x. ptp: Added a clock that uses the eTSEC found on the MPC85xx. ptp: Added a brand new class driver for ptp clocks.
Diffstat (limited to 'arch/arm/mach-ixp4xx/include')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h b/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h
new file mode 100644
index 00000000000..292d55ed211
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h
@@ -0,0 +1,78 @@
1/*
2 * PTP 1588 clock using the IXP46X
3 *
4 * Copyright (C) 2010 OMICRON electronics GmbH
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21#ifndef _IXP46X_TS_H_
22#define _IXP46X_TS_H_
23
24#define DEFAULT_ADDEND 0xF0000029
25#define TICKS_NS_SHIFT 4
26
27struct ixp46x_channel_ctl {
28 u32 ch_control; /* 0x40 Time Synchronization Channel Control */
29 u32 ch_event; /* 0x44 Time Synchronization Channel Event */
30 u32 tx_snap_lo; /* 0x48 Transmit Snapshot Low Register */
31 u32 tx_snap_hi; /* 0x4C Transmit Snapshot High Register */
32 u32 rx_snap_lo; /* 0x50 Receive Snapshot Low Register */
33 u32 rx_snap_hi; /* 0x54 Receive Snapshot High Register */
34 u32 src_uuid_lo; /* 0x58 Source UUID0 Low Register */
35 u32 src_uuid_hi; /* 0x5C Sequence Identifier/Source UUID0 High */
36};
37
38struct ixp46x_ts_regs {
39 u32 control; /* 0x00 Time Sync Control Register */
40 u32 event; /* 0x04 Time Sync Event Register */
41 u32 addend; /* 0x08 Time Sync Addend Register */
42 u32 accum; /* 0x0C Time Sync Accumulator Register */
43 u32 test; /* 0x10 Time Sync Test Register */
44 u32 unused; /* 0x14 */
45 u32 rsystime_lo; /* 0x18 RawSystemTime_Low Register */
46 u32 rsystime_hi; /* 0x1C RawSystemTime_High Register */
47 u32 systime_lo; /* 0x20 SystemTime_Low Register */
48 u32 systime_hi; /* 0x24 SystemTime_High Register */
49 u32 trgt_lo; /* 0x28 TargetTime_Low Register */
50 u32 trgt_hi; /* 0x2C TargetTime_High Register */
51 u32 asms_lo; /* 0x30 Auxiliary Slave Mode Snapshot Low */
52 u32 asms_hi; /* 0x34 Auxiliary Slave Mode Snapshot High */
53 u32 amms_lo; /* 0x38 Auxiliary Master Mode Snapshot Low */
54 u32 amms_hi; /* 0x3C Auxiliary Master Mode Snapshot High */
55
56 struct ixp46x_channel_ctl channel[3];
57};
58
59/* 0x00 Time Sync Control Register Bits */
60#define TSCR_AMM (1<<3)
61#define TSCR_ASM (1<<2)
62#define TSCR_TTM (1<<1)
63#define TSCR_RST (1<<0)
64
65/* 0x04 Time Sync Event Register Bits */
66#define TSER_SNM (1<<3)
67#define TSER_SNS (1<<2)
68#define TTIPEND (1<<1)
69
70/* 0x40 Time Synchronization Channel Control Register Bits */
71#define MASTER_MODE (1<<0)
72#define TIMESTAMP_ALL (1<<1)
73
74/* 0x44 Time Synchronization Channel Event Register Bits */
75#define TX_SNAPSHOT_LOCKED (1<<0)
76#define RX_SNAPSHOT_LOCKED (1<<1)
77
78#endif