ARM: orion: remove unused board files

As planned earlier, all board support that was marked unused can be
removed now after nobody explicitly asked for these to be kept.

In particular, all of the reference designs get removed now, as these
are not commonly used productively any more. Also, the machines that
were not supported by Debian or the Debian_on_Buffalo group because of
limitations with RAM size are gone.

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

ARM: make ARCH_MULTIPLATFORM user-visible

Some options like CONFIG_DEBUG_UNCOMPRESS and CONFIG_CMDLINE_FORCE are
fundamentally incompatible with portable kernels but are currently allowed
in all configurations. Other options like XIP_KERNEL are essentially
useless after the completion of the multiplatform conversion.

Repurpose the existing CONFIG_ARCH_MULTIPLATFORM option to decide
whether the resulting kernel image is meant to be portable or not,
and using this to guard all of the known incompatible options.

This is similar to how the RISC-V kernel handles the CONFIG_NONPORTABLE
option (with the opposite polarity).

A few references to CONFIG_ARCH_MULTIPLATFORM were left behind by
earlier clanups and have to be removed now up.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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>

ARM: orion5x: remove legacy support of ls-chl

This patch removes the legacy support of ls-chl which is converted to the
device tree.

[gregory.clement@free-electrons.com: removal extracted from a wider patch]
Signed-off-by: Ashley Hughes <ashley.hughes@blueyonder.co.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

ARM: orion5x: multiplatform support

The orion5x platform is now ready to be enabled for multiplatform
support, this patch does the switch over by modifying the Kconfig file,
the defconfig and removing the last mach/*.h header that becomes obsolete
with this.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

ARM: dts: Convert Linkstation Mini to Device Tree

The title says it all. The name of the dts file as been changed to
better reflect the manufacturer's device name (LS-WSGL), rather than
the original "lsmini", which exists in a kirkwood version too.

[gregory.clement@free-electrons.com]: use tab instead of space to
indent dts at line 185. Reslove merge conflict with patch "ARM: dts:
orion5x: add buffalo linkstation ls-wtgl" in the file
arch/arm/boot/dts/Makefile.

Signed-off-by: Benjamin Cama <benoar@dolka.fr>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Alexey Kopytko <alexey@kopytko.ru>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

ARM: orion5x: convert Maxtor Shared Storage II to the Device Tree

This commit converts the Maxtor Shared Storage II Orion5x platform to
the Device Tree. The only remaining things not converted are PCI and
the special power off method.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-37-git-send-email-thomas.petazzoni@free-electrons.com
Cc: Sylver Bruneau <sylver.bruneau@googlemail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

ARM: orion5x: convert d2net to Device Tree

This commit converts the LaCie d2 Network platform to the Device Tree.

All devices except LEDs are converted, because the LED code needs a
non-LED GPIO to be set to a given value for the LEDs to work, and this
cannot yet be easily represented in DT.

Also, references to the LaCie Big Disk Network platform are lost,
because this platform apparently has exactly the same hardware support
as the LaCie d2 Network, so their Device Tree files would be
identical.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-36-git-send-email-thomas.petazzoni@free-electrons.com
Cc: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

ARM: orion5x: convert RD-88F5182 to Device Tree

This commit converts the RD-88F5182 platform to the Device Tree. All
devices except the PCI are converted to the Device Tree.

It is worth noting that:

* The PCI description for the DT case is kept in board-rd88f5182.c.

* The existing non-DT support in rd88f5182-setup.c is kept as is, in
order to allow testing of a given platform in both DT and non-DT
cases. It will ultimately be removed, once we no longer care about
non-DT support for Orion5x.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-35-git-send-email-thomas.petazzoni@free-electrons.com
Cc: Ronen Shitrit <rshitrit@marvell.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

ARM: orion5x: remove unneeded code for edmini_v2

The edmini_v2 platform is now fully converted to the Device Tree, so
we can get rid of the old style board-file and the related Kconfig
option.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1398202002-28530-34-git-send-email-thomas.petazzoni@free-electrons.com
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arm: mach-orion5x: convert to use mvebu-mbus driver

This commit migrates the mach-orion5x platforms to use the mvebu-mbus
driver and therefore removes the Orion5x-specific addr-map code.

The dove_init_early() function now initializes the mvebu-mbus driver
by calling mvebu_mbus_init().

We also convert a number of orion5x_setup_xyz_win() calls to the
appropriate mvebu_mbus_add_window() calls, as each board was doing its
own setup for the NOR window or other devices. Ultimately, those
devices will be probed from the DT.

The common address decoding windows are now registered in the
orion5x_setup_wins() function. It is worth noting that the four PCIe
address decoding windows will ultimately no longer have to be
registered here: it will be done automatically by the PCIe driver once
Dove has been migrated to use the upcoming mvebu PCIe driver.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arm: orion5x: convert 'LaCie Ethernet Disk mini v2' to Device Tree

This commit converts the 'LaCie Ethernet Disk mini v2' board to the
Device Tree. All devices that have existing Device Tree bindings are
converted over to the Device Tree, the other devices remain
instantiated in the old way, until the respective drivers get the
needed Device Tree bindings.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arm: orion5x: basic Device Tree support

This commit adds basic DT support for the Orion5x SoC family. It adds
an orion5x.dtsi description of the Orion5x SoC as well as the needed
DT_MACHINE structure to support boards converted to DT in the future.

So far, the Device Tree contains the interrupt controller, the GPIO
bank, the UART controllers, the SPI controller, the watchdog, the SATA
controller, the I2C controller and the cryptographic engine.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested by: Maxime Hadjinlian <mhadjinlian@lacie.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

[ARM] Orion: added Buffalo LS-CHL support

Adds support for Buffalo Linkstation Live v3 (LS-CHL) NAS drives.

Signed-off-by: Ash Hughes <ashley.hughes@blueyonder.co.uk>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

[ARM] Orion: Add Buffalo Linkstation LS-HGL support

Signed-off-by: Zhu Qingsen <zhuqs@cn.fujitsu.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

[ARM] orion5x: Add LaCie NAS 2Big Network support

This patch add support for the 2Big Network LaCie boards.

Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

[ARM] orion5x: Add LaCie NAS d2Network support

This patch add support for the d2 Network and the Big Disk Network
LaCie boards.

Signed-off-by: Simon Guinot <sguinot@lacie.com>
Acked-by: Christopher Moore <moore@free.fr>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

[ARM] Orion: share GPIO handling code

Split off Orion GPIO handling code into plat-orion/, and add
support for multiple sets of (32) GPIO pins.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

[ARM] Orion: Add Buffalo Linkstation Mini support

This patch adds support for Buffalo Linkstation Mini board.

Signed-off-by: Alexey Kopytko <alexey@kopytko.ru>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

[ARM] Orion: add RD88F6183AP-GE support

The RD88F6183AP-GE is an access point reference design for the
88F6183 SoC, with a 88E6161 six-port gigabit ethernet switch with
five PHYs (providing 1 WAN and 4 LAN ports and an interface to the
CPU), and a mini-PCIe slot for a wireless card.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add Buffalo Terastation Pro II/Live support

This patch adds support for the Buffalo Terastation Pro II/Live.

Signed-off-by: Sylver Bruneau <sylver.bruneau@googlemail.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add LaCie Ethernet Disk mini V2 support

This patch adds support for the LaCie Ethernet Disk mini V2.

Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
Signed-off-by: Christopher Moore <moore@free.fr>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add RD88F5181L-FXO support

This patch adds support for the Marvell Orion-VoIP RD-88F5181L-FXO
Reference Design, and enables use of the ethernet, USB, Cardbus and
mini-PCIe ports.

Signed-off-by: Nicolas Pitre <nico@marvell.com>

[ARM] Orion: add RD88F5181L-GE support

This patch adds support for the Marvell Orion-VoIP RD2-88F5181L-GE
Reference Design, and enables use of the ethernet, USB, Cardbus and
mini-PCIe ports.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add Netgear WNR854T support

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add Maxtor Shared Storage II support

This patch adds support for the Maxtor Shared Storage II hardware.

Signed-off-by: Sylver Bruneau <sylver.bruneau@googlemail.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add Technologic Systems TS-78xx support

Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: remove code duplication in TS209 and TS409 setup files

Signed-off-by: Sylver Bruneau <sylver.bruneau@googlemail.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add HP Media Vault mv2120 support

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: add Linksys WRT350N v2 support

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Tested-by: Dirk Teurlings <dirk@upexia.nl>
Tested-by: Peter van Valderen <p.v.valderen@gmail.com>

[ARM] Orion: add QNAP TS-409 support

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

[ARM] Orion: rework MPP handling

Instead of having board code poke directly into the MPP configuration
registers, and separately calling orion5x_gpio_set_valid_pins() to
indicate which MPP pins can be used as GPIO pins, introduce a helper
function for configuring the roles of each of the MPP pins, and have
that helper function handle gpio validity internally.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Sylver Bruneau <sylver.bruneau@googlemail.com>
Acked-by: Russell King <linux@arm.linux.org.uk>

[ARM] 4955/1: Orion: Support the Buffalo Linkstation Pro/Live Platform

The Buffalo Linkstation Pro/Live is the same hardware as the
Kurobox Pro but without the NAND flash. This patch adds a
second MACHINE_START macro to the Kurobox setup file to minimise
code duplication.

Signed-off-by: Byron Bradley <byron.bbradley@gmail.com>
Acked-by: Nicolas Pitre <nico@marvell.com>
Acked-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

Orion: orion -> orion5x rename

Do a global s/orion/orion5x/ of the Orion 5x-specific bits (i.e.
not the plat-orion bits.)

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Saeed Bishara <saeed@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>