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Greg Kroah-Hartman b24413180f 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>
2017-11-02 11:10:55 +01:00

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# SPDX-License-Identifier: GPL-2.0
if ETRAX_ARCH_V10
config ETRAX_ETHERNET
bool "Ethernet support"
depends on ETRAX_ARCH_V10 && NETDEVICES
select MII
help
This option enables the ETRAX 100LX built-in 10/100Mbit Ethernet
controller.
config ETRAX_SERIAL
bool "Serial-port support"
depends on ETRAX_ARCH_V10
help
Enables the ETRAX 100 serial driver for ser0 (ttyS0)
You probably want this enabled.
config ETRAX_SERIAL_FAST_TIMER
bool "Use fast timers for serial DMA flush (experimental)"
depends on ETRAX_SERIAL
help
Select this to have the serial DMAs flushed at a higher rate than
normally, possible by using the fast timer API, the timeout is
approx. 4 character times.
If unsure, say N.
config ETRAX_SERIAL_FLUSH_DMA_FAST
bool "Fast serial port DMA flush"
depends on ETRAX_SERIAL && !ETRAX_SERIAL_FAST_TIMER
help
Select this to have the serial DMAs flushed at a higher rate than
normally possible through a fast timer interrupt (currently at
15360 Hz).
If unsure, say N.
config ETRAX_SERIAL_RX_TIMEOUT_TICKS
int "Receive flush timeout (ticks) "
depends on ETRAX_SERIAL && !ETRAX_SERIAL_FAST_TIMER && !ETRAX_SERIAL_FLUSH_DMA_FAST
default "5"
help
Number of timer ticks between flush of receive fifo (1 tick = 10ms).
Try 0-3 for low latency applications. Approx 5 for high load
applications (e.g. PPP). Maybe this should be more adaptive some
day...
config ETRAX_SERIAL_PORT0
bool "Serial port 0 enabled"
depends on ETRAX_SERIAL
help
Enables the ETRAX 100 serial driver for ser0 (ttyS0)
Normally you want this on, unless you use external DMA 1 that uses
the same DMA channels.
choice
prompt "Ser0 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT0
default ETRAX_SER0_DTR_RI_DSR_CD_ON_NONE
config ETRAX_SER0_DTR_RI_DSR_CD_ON_NONE
bool "No_DTR_RI_DSR_CD"
config ETRAX_SER0_DTR_RI_DSR_CD_ON_PA
bool "DTR_RI_DSR_CD_on_PA"
config ETRAX_SER0_DTR_RI_DSR_CD_ON_PB
bool "DTR_RI_DSR_CD_on_PB"
help
Enables the status and control signals DTR, RI, DSR and CD on PB for
ser0.
config ETRAX_SER0_DTR_RI_DSR_CD_MIXED
bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
endchoice
config ETRAX_SER0_DTR_ON_PA_BIT
int "Ser0 DTR on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "4" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
config ETRAX_SER0_RI_ON_PA_BIT
int "Ser0 RI on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "5" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
config ETRAX_SER0_DSR_ON_PA_BIT
int "Ser0 DSR on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "6" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
config ETRAX_SER0_CD_ON_PA_BIT
int "Ser0 CD on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "7" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
config ETRAX_SER0_DTR_ON_PB_BIT
int "Ser0 DTR on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "4" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the DTR signal for serial
port 0.
config ETRAX_SER0_RI_ON_PB_BIT
int "Ser0 RI on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "5" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the RI signal for serial
port 0.
config ETRAX_SER0_DSR_ON_PB_BIT
int "Ser0 DSR on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "6" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the DSR signal for serial
port 0.
config ETRAX_SER0_CD_ON_PB_BIT
int "Ser0 CD on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT0
default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
default "7" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the CD signal for serial
port 0.
config ETRAX_SERIAL_PORT1
bool "Serial port 1 enabled"
depends on ETRAX_SERIAL
help
Enables the ETRAX 100 serial driver for ser1 (ttyS1).
choice
prompt "Ser1 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT1
default ETRAX_SER1_DTR_RI_DSR_CD_ON_NONE
config ETRAX_SER1_DTR_RI_DSR_CD_ON_NONE
bool "No_DTR_RI_DSR_CD"
config ETRAX_SER1_DTR_RI_DSR_CD_ON_PA
bool "DTR_RI_DSR_CD_on_PA"
config ETRAX_SER1_DTR_RI_DSR_CD_ON_PB
bool "DTR_RI_DSR_CD_on_PB"
help
Enables the status and control signals DTR, RI, DSR and CD on PB for
ser1.
config ETRAX_SER1_DTR_RI_DSR_CD_MIXED
bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
endchoice
config ETRAX_SER1_DTR_ON_PA_BIT
int "Ser1 DTR on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "4" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
config ETRAX_SER1_RI_ON_PA_BIT
int "Ser1 RI on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "5" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
config ETRAX_SER1_DSR_ON_PA_BIT
int "Ser1 DSR on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "6" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
config ETRAX_SER1_CD_ON_PA_BIT
int "Ser1 CD on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "7" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
config ETRAX_SER1_DTR_ON_PB_BIT
int "Ser1 DTR on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "4" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the DTR signal for serial
port 1.
config ETRAX_SER1_RI_ON_PB_BIT
int "Ser1 RI on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "5" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the RI signal for serial
port 1.
config ETRAX_SER1_DSR_ON_PB_BIT
int "Ser1 DSR on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "6" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the DSR signal for serial
port 1.
config ETRAX_SER1_CD_ON_PB_BIT
int "Ser1 CD on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT1
default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
default "7" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PB port to carry the CD signal for serial
port 1.
comment "Make sure you do not have the same PB bits more than once!"
depends on ETRAX_SERIAL && ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && ETRAX_SER1_DTR_RI_DSR_CD_ON_PB
config ETRAX_SERIAL_PORT2
bool "Serial port 2 enabled"
depends on ETRAX_SERIAL
help
Enables the ETRAX 100 serial driver for ser2 (ttyS2).
choice
prompt "Ser2 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT2
default ETRAX_SER2_DTR_RI_DSR_CD_ON_NONE
config ETRAX_SER2_DTR_RI_DSR_CD_ON_NONE
bool "No_DTR_RI_DSR_CD"
config ETRAX_SER2_DTR_RI_DSR_CD_ON_PA
bool "DTR_RI_DSR_CD_on_PA"
help
Enables the status and control signals DTR, RI, DSR and CD on PA for
ser2.
config ETRAX_SER2_DTR_RI_DSR_CD_ON_PB
bool "DTR_RI_DSR_CD_on_PB"
config ETRAX_SER2_DTR_RI_DSR_CD_MIXED
bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
endchoice
config ETRAX_SER2_DTR_ON_PA_BIT
int "Ser2 DTR on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "4" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PA port to carry the DTR signal for serial
port 2.
config ETRAX_SER2_RI_ON_PA_BIT
int "Ser2 RI on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "5" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PA port to carry the RI signal for serial
port 2.
config ETRAX_SER2_DSR_ON_PA_BIT
int "Ser2 DSR on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "6" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PA port to carry the DTR signal for serial
port 2.
config ETRAX_SER2_CD_ON_PA_BIT
int "Ser2 CD on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "7" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
help
Specify the pin of the PA port to carry the CD signal for serial
port 2.
config ETRAX_SER2_DTR_ON_PB_BIT
int "Ser2 DTR on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "4" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
config ETRAX_SER2_RI_ON_PB_BIT
int "Ser2 RI on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "5" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
config ETRAX_SER2_DSR_ON_PB_BIT
int "Ser2 DSR on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "6" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
config ETRAX_SER2_CD_ON_PB_BIT
int "Ser2 CD on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT2
default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
default "7" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
config ETRAX_SERIAL_PORT3
bool "Serial port 3 enabled"
depends on ETRAX_SERIAL
help
Enables the ETRAX 100 serial driver for ser3 (ttyS3).
choice
prompt "Ser3 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT3
default ETRAX_SER3_DTR_RI_DSR_CD_ON_NONE
config ETRAX_SER3_DTR_RI_DSR_CD_ON_NONE
bool "No_DTR_RI_DSR_CD"
config ETRAX_SER3_DTR_RI_DSR_CD_ON_PA
bool "DTR_RI_DSR_CD_on_PA"
config ETRAX_SER3_DTR_RI_DSR_CD_ON_PB
bool "DTR_RI_DSR_CD_on_PB"
config ETRAX_SER3_DTR_RI_DSR_CD_MIXED
bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
endchoice
config ETRAX_SER3_DTR_ON_PA_BIT
int "Ser3 DTR on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_RI_ON_PA_BIT
int "Ser3 RI on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_DSR_ON_PA_BIT
int "Ser3 DSR on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_CD_ON_PA_BIT
int "Ser3 CD on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_DTR_ON_PB_BIT
int "Ser3 DTR on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_RI_ON_PB_BIT
int "Ser3 RI on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_DSR_ON_PB_BIT
int "Ser3 DSR on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_SER3_CD_ON_PB_BIT
int "Ser3 CD on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
depends on ETRAX_SERIAL_PORT3
default "-1"
config ETRAX_RS485
bool "RS-485 support"
depends on ETRAX_SERIAL
help
Enables support for RS-485 serial communication. For a primer on
RS-485, see <http://en.wikipedia.org/wiki/Rs485>
config ETRAX_RS485_ON_PA
bool "RS-485 mode on PA"
depends on ETRAX_RS485
help
Control Driver Output Enable on RS485 transceiver using a pin on PA
port:
Axis 2400/2401 uses PA 3.
config ETRAX_RS485_ON_PA_BIT
int "RS-485 mode on PA bit"
depends on ETRAX_RS485_ON_PA
default "3"
help
Control Driver Output Enable on RS485 transceiver using a this bit
on PA port.
config ETRAX_RS485_DISABLE_RECEIVER
bool "Disable serial receiver"
depends on ETRAX_RS485
help
It's necessary to disable the serial receiver to avoid serial
loopback. Not all products are able to do this in software only.
Axis 2400/2401 must disable receiver.
config ETRAX_USB_HOST
bool "USB host"
select USB
help
This option enables the host functionality of the ETRAX 100LX
built-in USB controller. In host mode the controller is designed
for CTRL and BULK traffic only, INTR traffic may work as well
however (depending on the requirements of timeliness).
config ETRAX_PTABLE_SECTOR
int "Byte-offset of partition table sector"
depends on ETRAX_AXISFLASHMAP
default "65536"
help
Byte-offset of the partition table in the first flash chip.
The default value is 64kB and should not be changed unless
you know exactly what you are doing. The only valid reason
for changing this is when the flash block size is bigger
than 64kB (e.g. when using two parallel 16 bit flashes).
config ETRAX_I2C
bool "I2C support"
depends on ETRAX_ARCH_V10
help
Enables an I2C driver on ETRAX100.
EXAMPLE usage:
i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val);
ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg);
i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
# this is true for most products since PB-I2C seems to be somewhat
# flawed..
config ETRAX_I2C_USES_PB_NOT_PB_I2C
bool "I2C uses PB not PB-I2C"
depends on ETRAX_I2C
help
Select whether to use the special I2C mode in the PB I/O register or
not. This option needs to be selected in order to use some drivers
that access the I2C I/O pins directly instead of going through the
I2C driver, like the DS1302 realtime-clock driver. If you are
uncertain, choose Y here.
config ETRAX_I2C_DATA_PORT
int "I2C SDA bit number"
depends on ETRAX_I2C_USES_PB_NOT_PB_I2C
default "0"
help
Selects the pin on Port B where the data pin is connected
config ETRAX_I2C_CLK_PORT
int "I2C SCL bit number"
depends on ETRAX_I2C_USES_PB_NOT_PB_I2C
default "1"
help
Select the pin on Port B where the clock pin is connected
config ETRAX_I2C_EEPROM
bool "I2C EEPROM (non-volatile RAM) support"
depends on ETRAX_I2C
help
Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
driver. Select size option: Probed, 2k, 8k, 16k.
(Probing works for 2k and 8k but not that well for 16k)
choice
prompt "EEPROM size"
depends on ETRAX_I2C_EEPROM
default ETRAX_I2C_EEPROM_PROBE
config ETRAX_I2C_EEPROM_PROBE
bool "Probed"
help
Specifies size or auto probe of the EEPROM size.
Options: Probed, 2k, 8k, 16k.
(Probing works for 2k and 8k but not that well for 16k)
config ETRAX_I2C_EEPROM_2KB
bool "2kB"
help
Use a 2kB EEPROM.
config ETRAX_I2C_EEPROM_8KB
bool "8kB"
help
Use a 8kB EEPROM.
config ETRAX_I2C_EEPROM_16KB
bool "16kB"
help
Use a 16kB EEPROM.
endchoice
config ETRAX_GPIO
bool "GPIO support"
depends on ETRAX_ARCH_V10
---help---
Enables the ETRAX general port device (major 120, minors 0 and 1).
You can use this driver to access the general port bits. It supports
these ioctl's:
#include <linux/etraxgpio.h>
fd = open("/dev/gpioa", O_RDWR); // or /dev/gpiob
ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_SETBITS), bits_to_set);
ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_CLRBITS), bits_to_clear);
val = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READBITS), NULL);
Remember that you need to setup the port directions appropriately in
the General configuration.
config ETRAX_PA_CHANGEABLE_DIR
hex "PA user changeable dir mask"
depends on ETRAX_GPIO
default "00"
help
This is a bitmask with information of what bits in PA that a user
can change direction on using ioctl's.
Bit set = changeable.
You probably want 00 here.
config ETRAX_PA_CHANGEABLE_BITS
hex "PA user changeable bits mask"
depends on ETRAX_GPIO
default "FF"
help
This is a bitmask with information of what bits in PA that a user
can change the value on using ioctl's.
Bit set = changeable.
You probably want 00 here.
config ETRAX_PB_CHANGEABLE_DIR
hex "PB user changeable dir mask"
depends on ETRAX_GPIO
default "00"
help
This is a bitmask with information of what bits in PB that a user
can change direction on using ioctl's.
Bit set = changeable.
You probably want 00 here.
config ETRAX_PB_CHANGEABLE_BITS
hex "PB user changeable bits mask"
depends on ETRAX_GPIO
default "FF"
help
This is a bitmask with information of what bits in PB that a user
can change the value on using ioctl's.
Bit set = changeable.
You probably want 00 here.
endif
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