sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl s

sys: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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UART: Remove ingenic xburst (mips) code from ns8250 driver

Since ingenic JZ4780 SOC support has been removed there is no need
to support ingenic quirks in the UART driver.
Invert of commit b192bae67

UART: Remove ingenic xburst (mips) code from ns8250 driver

Since ingenic JZ4780 SOC support has been removed there is no need
to support ingenic quirks in the UART driver.
Invert of commit b192bae67ea835b7e431225bad375b5d5fe4297f

Reviewed by: imp, manu
Approved by: imp, manu (mentor)
Differential Revision: https://reviews.freebsd.org/D42497

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sys: Remove $FreeBSD$: one-line .h pattern

Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/

Merge ^/head r325999 through r326131.

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Merge ^/head r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge ^/head r308491 through r308841.

Add receiver timeout interrupt enable bit implemented in some
system on chips.

Submitted by: kan
Sponsored by: DARPA, AFRL

Add support for UART found in the Ingenic XBurst system on chips.

These CPUs has non-standard UART enable bit hidden in the UART FIFO
Control Register.

Sponsored by: DARPA, AFRL

MFH @r294567

MFH

Sponsored by: The FreeBSD Foundation

Merge ^/head r293430 through r293685.

- Add support for Advantech PCI-1602 Rev. B1 and PCI-1603 cards. [1]
- Add a description of Advantech PCI-1602 Rev. A boards. [1]
- Properly set up REG_ACR also for PCI-1602 Rev. A based on what the

- Add support for Advantech PCI-1602 Rev. B1 and PCI-1603 cards. [1]
- Add a description of Advantech PCI-1602 Rev. A boards. [1]
- Properly set up REG_ACR also for PCI-1602 Rev. A based on what the
Advantech-supplied Linux driver does.
- Additionally use the macros of <dev/ic/ns16550.h> to replace existing
magic values and get rid of trivial comments.
- Fix the style of some comments.

PR: 205359 [1]
Submitted by: Jan Mikkelsen (original patch) [1]

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Merge head

IFC @264767

MFC @ r259205 in preparation for some SVM updates. (for real this time)

Merge head r232040 through r257457.
M usr.sbin/portsnap/portsnap/portsnap.8
M usr.sbin/portsnap/portsnap/portsnap.sh
M usr.sbin/tcpdump/tcpdump/Makefile

Wait for DesignWare UART transfers completion before accessing line control

When using DW UART with BUSY detection it is necessary to wait
until all serial transfers are finished before manipulating

Wait for DesignWare UART transfers completion before accessing line control

When using DW UART with BUSY detection it is necessary to wait
until all serial transfers are finished before manipulating the
line control. LCR will not be affected when UART is busy.
In addition, if Divisor Latch Access Bit is being set in order to
modify UART divisors:
1. We will get BUSY interrupt if interrupts are enabled.
2. Because LCR will not be affected the THR and (even worse) IER
contents will be corrupted. This will lead to console hang.

Approved by: cognet (mentor)

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IFC @253398

Merge fresh head.

sync from head

Add support for A10 uart.
A10 uart is derived from Synopsys DesignWare uart and requires
to read Uart Status Register when IIR_BUSY has detected.
Also this change includes FDT check, where it checks

Add support for A10 uart.
A10 uart is derived from Synopsys DesignWare uart and requires
to read Uart Status Register when IIR_BUSY has detected.
Also this change includes FDT check, where it checks device
specific properties defined in dts and sets the busy_detect variable.
broken_txfifo is also needed to be set in order to make it work for
A10 uart case.

Reviewed by: marcel@
Approved by: gonzo@

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IFH@204581

Merge from projects/mips to head by hand:

Defintions for cavium uart (do they belong here?)