License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 14:07:57 +00:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2011-04-22 10:04:55 +00:00
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/* dp83640_reg.h
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* Generated by regen.tcl on Thu Feb 17 10:02:48 AM CET 2011
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*/
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#ifndef HAVE_DP83640_REGISTERS
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#define HAVE_DP83640_REGISTERS
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#define PAGE0 0x0000
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#define PHYCR2 0x001c /* PHY Control Register 2 */
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#define PAGE4 0x0004
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#define PTP_CTL 0x0014 /* PTP Control Register */
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#define PTP_TDR 0x0015 /* PTP Time Data Register */
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#define PTP_STS 0x0016 /* PTP Status Register */
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#define PTP_TSTS 0x0017 /* PTP Trigger Status Register */
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#define PTP_RATEL 0x0018 /* PTP Rate Low Register */
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#define PTP_RATEH 0x0019 /* PTP Rate High Register */
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#define PTP_RDCKSUM 0x001a /* PTP Read Checksum */
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#define PTP_WRCKSUM 0x001b /* PTP Write Checksum */
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#define PTP_TXTS 0x001c /* PTP Transmit Timestamp Register, in four 16-bit reads */
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#define PTP_RXTS 0x001d /* PTP Receive Timestamp Register, in six? 16-bit reads */
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#define PTP_ESTS 0x001e /* PTP Event Status Register */
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#define PTP_EDATA 0x001f /* PTP Event Data Register */
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#define PAGE5 0x0005
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#define PTP_TRIG 0x0014 /* PTP Trigger Configuration Register */
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#define PTP_EVNT 0x0015 /* PTP Event Configuration Register */
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#define PTP_TXCFG0 0x0016 /* PTP Transmit Configuration Register 0 */
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#define PTP_TXCFG1 0x0017 /* PTP Transmit Configuration Register 1 */
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#define PSF_CFG0 0x0018 /* PHY Status Frame Configuration Register 0 */
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#define PTP_RXCFG0 0x0019 /* PTP Receive Configuration Register 0 */
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#define PTP_RXCFG1 0x001a /* PTP Receive Configuration Register 1 */
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#define PTP_RXCFG2 0x001b /* PTP Receive Configuration Register 2 */
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#define PTP_RXCFG3 0x001c /* PTP Receive Configuration Register 3 */
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#define PTP_RXCFG4 0x001d /* PTP Receive Configuration Register 4 */
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#define PTP_TRDL 0x001e /* PTP Temporary Rate Duration Low Register */
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#define PTP_TRDH 0x001f /* PTP Temporary Rate Duration High Register */
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#define PAGE6 0x0006
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#define PTP_COC 0x0014 /* PTP Clock Output Control Register */
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#define PSF_CFG1 0x0015 /* PHY Status Frame Configuration Register 1 */
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#define PSF_CFG2 0x0016 /* PHY Status Frame Configuration Register 2 */
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#define PSF_CFG3 0x0017 /* PHY Status Frame Configuration Register 3 */
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#define PSF_CFG4 0x0018 /* PHY Status Frame Configuration Register 4 */
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#define PTP_SFDCFG 0x0019 /* PTP SFD Configuration Register */
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#define PTP_INTCTL 0x001a /* PTP Interrupt Control Register */
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#define PTP_CLKSRC 0x001b /* PTP Clock Source Register */
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#define PTP_ETR 0x001c /* PTP Ethernet Type Register */
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#define PTP_OFF 0x001d /* PTP Offset Register */
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#define PTP_GPIOMON 0x001e /* PTP GPIO Monitor Register */
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#define PTP_RXHASH 0x001f /* PTP Receive Hash Register */
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/* Bit definitions for the PHYCR2 register */
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#define BC_WRITE (1<<11) /* Broadcast Write Enable */
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/* Bit definitions for the PTP_CTL register */
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#define TRIG_SEL_SHIFT (10) /* PTP Trigger Select */
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#define TRIG_SEL_MASK (0x7)
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#define TRIG_DIS (1<<9) /* Disable PTP Trigger */
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#define TRIG_EN (1<<8) /* Enable PTP Trigger */
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#define TRIG_READ (1<<7) /* Read PTP Trigger */
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#define TRIG_LOAD (1<<6) /* Load PTP Trigger */
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#define PTP_RD_CLK (1<<5) /* Read PTP Clock */
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#define PTP_LOAD_CLK (1<<4) /* Load PTP Clock */
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#define PTP_STEP_CLK (1<<3) /* Step PTP Clock */
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#define PTP_ENABLE (1<<2) /* Enable PTP Clock */
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#define PTP_DISABLE (1<<1) /* Disable PTP Clock */
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#define PTP_RESET (1<<0) /* Reset PTP Clock */
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/* Bit definitions for the PTP_STS register */
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#define TXTS_RDY (1<<11) /* Transmit Timestamp Ready */
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#define RXTS_RDY (1<<10) /* Receive Timestamp Ready */
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#define TRIG_DONE (1<<9) /* PTP Trigger Done */
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#define EVENT_RDY (1<<8) /* PTP Event Timestamp Ready */
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#define TXTS_IE (1<<3) /* Transmit Timestamp Interrupt Enable */
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#define RXTS_IE (1<<2) /* Receive Timestamp Interrupt Enable */
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#define TRIG_IE (1<<1) /* Trigger Interrupt Enable */
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#define EVENT_IE (1<<0) /* Event Interrupt Enable */
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/* Bit definitions for the PTP_TSTS register */
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#define TRIG7_ERROR (1<<15) /* Trigger 7 Error */
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#define TRIG7_ACTIVE (1<<14) /* Trigger 7 Active */
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#define TRIG6_ERROR (1<<13) /* Trigger 6 Error */
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#define TRIG6_ACTIVE (1<<12) /* Trigger 6 Active */
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#define TRIG5_ERROR (1<<11) /* Trigger 5 Error */
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#define TRIG5_ACTIVE (1<<10) /* Trigger 5 Active */
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#define TRIG4_ERROR (1<<9) /* Trigger 4 Error */
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#define TRIG4_ACTIVE (1<<8) /* Trigger 4 Active */
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#define TRIG3_ERROR (1<<7) /* Trigger 3 Error */
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#define TRIG3_ACTIVE (1<<6) /* Trigger 3 Active */
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#define TRIG2_ERROR (1<<5) /* Trigger 2 Error */
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#define TRIG2_ACTIVE (1<<4) /* Trigger 2 Active */
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#define TRIG1_ERROR (1<<3) /* Trigger 1 Error */
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#define TRIG1_ACTIVE (1<<2) /* Trigger 1 Active */
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#define TRIG0_ERROR (1<<1) /* Trigger 0 Error */
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#define TRIG0_ACTIVE (1<<0) /* Trigger 0 Active */
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/* Bit definitions for the PTP_RATEH register */
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#define PTP_RATE_DIR (1<<15) /* PTP Rate Direction */
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#define PTP_TMP_RATE (1<<14) /* PTP Temporary Rate */
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#define PTP_RATE_HI_SHIFT (0) /* PTP Rate High 10-bits */
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#define PTP_RATE_HI_MASK (0x3ff)
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/* Bit definitions for the PTP_ESTS register */
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#define EVNTS_MISSED_SHIFT (8) /* Indicates number of events missed */
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#define EVNTS_MISSED_MASK (0x7)
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#define EVNT_TS_LEN_SHIFT (6) /* Indicates length of the Timestamp field in 16-bit words minus 1 */
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#define EVNT_TS_LEN_MASK (0x3)
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#define EVNT_RF (1<<5) /* Indicates whether the event is a rise or falling event */
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#define EVNT_NUM_SHIFT (2) /* Indicates Event Timestamp Unit which detected an event */
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#define EVNT_NUM_MASK (0x7)
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#define MULT_EVNT (1<<1) /* Indicates multiple events were detected at the same time */
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#define EVENT_DET (1<<0) /* PTP Event Detected */
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/* Bit definitions for the PTP_EDATA register */
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#define E7_RISE (1<<15) /* Indicates direction of Event 7 */
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#define E7_DET (1<<14) /* Indicates Event 7 detected */
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#define E6_RISE (1<<13) /* Indicates direction of Event 6 */
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#define E6_DET (1<<12) /* Indicates Event 6 detected */
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#define E5_RISE (1<<11) /* Indicates direction of Event 5 */
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#define E5_DET (1<<10) /* Indicates Event 5 detected */
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#define E4_RISE (1<<9) /* Indicates direction of Event 4 */
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#define E4_DET (1<<8) /* Indicates Event 4 detected */
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#define E3_RISE (1<<7) /* Indicates direction of Event 3 */
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#define E3_DET (1<<6) /* Indicates Event 3 detected */
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#define E2_RISE (1<<5) /* Indicates direction of Event 2 */
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#define E2_DET (1<<4) /* Indicates Event 2 detected */
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#define E1_RISE (1<<3) /* Indicates direction of Event 1 */
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#define E1_DET (1<<2) /* Indicates Event 1 detected */
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#define E0_RISE (1<<1) /* Indicates direction of Event 0 */
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#define E0_DET (1<<0) /* Indicates Event 0 detected */
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/* Bit definitions for the PTP_TRIG register */
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#define TRIG_PULSE (1<<15) /* generate a Pulse rather than a single edge */
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#define TRIG_PER (1<<14) /* generate a periodic signal */
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#define TRIG_IF_LATE (1<<13) /* trigger immediately if already past */
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#define TRIG_NOTIFY (1<<12) /* Trigger Notification Enable */
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#define TRIG_GPIO_SHIFT (8) /* Trigger GPIO Connection, value 1-12 */
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#define TRIG_GPIO_MASK (0xf)
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#define TRIG_TOGGLE (1<<7) /* Trigger Toggle Mode Enable */
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#define TRIG_CSEL_SHIFT (1) /* Trigger Configuration Select */
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#define TRIG_CSEL_MASK (0x7)
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#define TRIG_WR (1<<0) /* Trigger Configuration Write */
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/* Bit definitions for the PTP_EVNT register */
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#define EVNT_RISE (1<<14) /* Event Rise Detect Enable */
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#define EVNT_FALL (1<<13) /* Event Fall Detect Enable */
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#define EVNT_SINGLE (1<<12) /* enable single event capture operation */
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#define EVNT_GPIO_SHIFT (8) /* Event GPIO Connection, value 1-12 */
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#define EVNT_GPIO_MASK (0xf)
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#define EVNT_SEL_SHIFT (1) /* Event Select */
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#define EVNT_SEL_MASK (0x7)
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#define EVNT_WR (1<<0) /* Event Configuration Write */
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/* Bit definitions for the PTP_TXCFG0 register */
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#define SYNC_1STEP (1<<15) /* insert timestamp into transmit Sync Messages */
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#define DR_INSERT (1<<13) /* Insert Delay_Req Timestamp in Delay_Resp (dangerous) */
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#define NTP_TS_EN (1<<12) /* Enable Timestamping of NTP Packets */
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#define IGNORE_2STEP (1<<11) /* Ignore Two_Step flag for One-Step operation */
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#define CRC_1STEP (1<<10) /* Disable checking of CRC for One-Step operation */
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#define CHK_1STEP (1<<9) /* Enable UDP Checksum correction for One-Step Operation */
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#define IP1588_EN (1<<8) /* Enable IEEE 1588 defined IP address filter */
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#define TX_L2_EN (1<<7) /* Layer2 Timestamp Enable */
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#define TX_IPV6_EN (1<<6) /* IPv6 Timestamp Enable */
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#define TX_IPV4_EN (1<<5) /* IPv4 Timestamp Enable */
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#define TX_PTP_VER_SHIFT (1) /* Enable Timestamp capture for IEEE 1588 version X */
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#define TX_PTP_VER_MASK (0xf)
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#define TX_TS_EN (1<<0) /* Transmit Timestamp Enable */
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/* Bit definitions for the PTP_TXCFG1 register */
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#define BYTE0_MASK_SHIFT (8) /* Bit mask to be used for matching Byte0 of the PTP Message */
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#define BYTE0_MASK_MASK (0xff)
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#define BYTE0_DATA_SHIFT (0) /* Data to be used for matching Byte0 of the PTP Message */
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#define BYTE0_DATA_MASK (0xff)
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/* Bit definitions for the PSF_CFG0 register */
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#define MAC_SRC_ADD_SHIFT (11) /* Status Frame Mac Source Address */
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#define MAC_SRC_ADD_MASK (0x3)
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#define MIN_PRE_SHIFT (8) /* Status Frame Minimum Preamble */
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#define MIN_PRE_MASK (0x7)
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#define PSF_ENDIAN (1<<7) /* Status Frame Endian Control */
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#define PSF_IPV4 (1<<6) /* Status Frame IPv4 Enable */
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#define PSF_PCF_RD (1<<5) /* Control Frame Read PHY Status Frame Enable */
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#define PSF_ERR_EN (1<<4) /* Error PHY Status Frame Enable */
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#define PSF_TXTS_EN (1<<3) /* Transmit Timestamp PHY Status Frame Enable */
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#define PSF_RXTS_EN (1<<2) /* Receive Timestamp PHY Status Frame Enable */
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#define PSF_TRIG_EN (1<<1) /* Trigger PHY Status Frame Enable */
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#define PSF_EVNT_EN (1<<0) /* Event PHY Status Frame Enable */
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/* Bit definitions for the PTP_RXCFG0 register */
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#define DOMAIN_EN (1<<15) /* Domain Match Enable */
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#define ALT_MAST_DIS (1<<14) /* Alternate Master Timestamp Disable */
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#define USER_IP_SEL (1<<13) /* Selects portion of IP address accessible thru PTP_RXCFG2 */
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#define USER_IP_EN (1<<12) /* Enable User-programmed IP address filter */
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#define RX_SLAVE (1<<11) /* Receive Slave Only */
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#define IP1588_EN_SHIFT (8) /* Enable IEEE 1588 defined IP address filters */
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#define IP1588_EN_MASK (0xf)
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#define RX_L2_EN (1<<7) /* Layer2 Timestamp Enable */
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#define RX_IPV6_EN (1<<6) /* IPv6 Timestamp Enable */
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#define RX_IPV4_EN (1<<5) /* IPv4 Timestamp Enable */
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#define RX_PTP_VER_SHIFT (1) /* Enable Timestamp capture for IEEE 1588 version X */
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#define RX_PTP_VER_MASK (0xf)
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#define RX_TS_EN (1<<0) /* Receive Timestamp Enable */
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/* Bit definitions for the PTP_RXCFG1 register */
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#define BYTE0_MASK_SHIFT (8) /* Bit mask to be used for matching Byte0 of the PTP Message */
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#define BYTE0_MASK_MASK (0xff)
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#define BYTE0_DATA_SHIFT (0) /* Data to be used for matching Byte0 of the PTP Message */
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#define BYTE0_DATA_MASK (0xff)
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/* Bit definitions for the PTP_RXCFG3 register */
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#define TS_MIN_IFG_SHIFT (12) /* Minimum Inter-frame Gap */
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#define TS_MIN_IFG_MASK (0xf)
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#define ACC_UDP (1<<11) /* Record Timestamp if UDP Checksum Error */
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#define ACC_CRC (1<<10) /* Record Timestamp if CRC Error */
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#define TS_APPEND (1<<9) /* Append Timestamp for L2 */
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#define TS_INSERT (1<<8) /* Enable Timestamp Insertion */
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#define PTP_DOMAIN_SHIFT (0) /* PTP Message domainNumber field */
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#define PTP_DOMAIN_MASK (0xff)
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/* Bit definitions for the PTP_RXCFG4 register */
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#define IPV4_UDP_MOD (1<<15) /* Enable IPV4 UDP Modification */
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#define TS_SEC_EN (1<<14) /* Enable Timestamp Seconds */
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#define TS_SEC_LEN_SHIFT (12) /* Inserted Timestamp Seconds Length */
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#define TS_SEC_LEN_MASK (0x3)
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#define RXTS_NS_OFF_SHIFT (6) /* Receive Timestamp Nanoseconds offset */
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#define RXTS_NS_OFF_MASK (0x3f)
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#define RXTS_SEC_OFF_SHIFT (0) /* Receive Timestamp Seconds offset */
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#define RXTS_SEC_OFF_MASK (0x3f)
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/* Bit definitions for the PTP_COC register */
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#define PTP_CLKOUT_EN (1<<15) /* PTP Clock Output Enable */
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#define PTP_CLKOUT_SEL (1<<14) /* PTP Clock Output Source Select */
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#define PTP_CLKOUT_SPEEDSEL (1<<13) /* PTP Clock Output I/O Speed Select */
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#define PTP_CLKDIV_SHIFT (0) /* PTP Clock Divide-by Value */
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#define PTP_CLKDIV_MASK (0xff)
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/* Bit definitions for the PSF_CFG1 register */
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#define PTPRESERVED_SHIFT (12) /* PTP v2 reserved field */
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#define PTPRESERVED_MASK (0xf)
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#define VERSIONPTP_SHIFT (8) /* PTP v2 versionPTP field */
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#define VERSIONPTP_MASK (0xf)
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#define TRANSPORT_SPECIFIC_SHIFT (4) /* PTP v2 Header transportSpecific field */
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#define TRANSPORT_SPECIFIC_MASK (0xf)
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#define MESSAGETYPE_SHIFT (0) /* PTP v2 messageType field */
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#define MESSAGETYPE_MASK (0xf)
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/* Bit definitions for the PTP_SFDCFG register */
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#define TX_SFD_GPIO_SHIFT (4) /* TX SFD GPIO Select, value 1-12 */
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#define TX_SFD_GPIO_MASK (0xf)
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#define RX_SFD_GPIO_SHIFT (0) /* RX SFD GPIO Select, value 1-12 */
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#define RX_SFD_GPIO_MASK (0xf)
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/* Bit definitions for the PTP_INTCTL register */
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#define PTP_INT_GPIO_SHIFT (0) /* PTP Interrupt GPIO Select */
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#define PTP_INT_GPIO_MASK (0xf)
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/* Bit definitions for the PTP_CLKSRC register */
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#define CLK_SRC_SHIFT (14) /* PTP Clock Source Select */
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#define CLK_SRC_MASK (0x3)
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#define CLK_SRC_PER_SHIFT (0) /* PTP Clock Source Period */
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#define CLK_SRC_PER_MASK (0x7f)
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/* Bit definitions for the PTP_OFF register */
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#define PTP_OFFSET_SHIFT (0) /* PTP Message offset from preceding header */
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#define PTP_OFFSET_MASK (0xff)
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#endif
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