arm: debug: import debug files from Linux 3.16

U-Boot does not have arch/arm/kernel, include/uapi directories,
This commit copies files as follows:

  Location in Linux               -> Location in U-Boot

  arch/arm/kernel/debug.S         -> arch/arm/lib/debug.S
  arch/arm/include/debug/8250.S   -> arch/arm/include/debug/8250.S
  include/uapi/linux/serial_reg.h -> include/linux/serial_reg.h

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
arm: debug: replace license blocks with SPDX

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
arm: debug: add Kconfig entries for lowlevel debug

We have not had a good method to debug the early boot stage such as
lowlevel_init function.  I guess developers generally use dedicated
debuggers for that, but it is difficult in some cases.
(For example, my debugger cannot connect to the ARM processor when
it is in the secure state.  It sometimes happens when I need to
debug the early boot stage on ARM SoCs with secure extension.)

The low level debug feature in Linux would be also helpful for U-boot
when we are stucking in nasty problems where the console is not
available yet.

You have to enable CONFIG_DEBUG_LL to use this feature.
For now, only 8250-compatible UART devices are supported.
You can add a header file under arch/arm/include/debug/ directory
to support your UART device if necessary.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
arm: debug: adjust for U-Boot

Because CONFIG_MMU is never defined in U-Boot,
the non-MMU code in debug.S is always used.

Unfortunately, the number of arguments of the addruart macro
in Linux is different between MMU and non-MMU.
This causes a build error when importing some debug macros
using the third argument. (For ex. arch/arm/include/debug/exynos.S)
Pass the third argument to the non-MMU addruart to avoid such a problem.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
gic: fixed compilation error in GICv2 wait for interrupt macro

a hexadicemal value was missing the "0x" prefix which caused
	assembler error

Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
board: wandboard: add usb storage

Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
Acked-by: Fabio Estevam <fabio.estevam@freescale.com>
ARM: mx6: Add support for Kosagi Novena

Add support for the Kosagi Novena board. Currently supported are:
- I2C busses
- FEC Ethernet
- MMC0, MMC1, Booting from MMC
- SATA
- USB ports
- USB Ethernet

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Nikolay Dimitrov <picmaster@mail.bg>
Reviewed-by: Nikolay Dimitrov <picmaster@mail.bg>
mx6sabresd: Add Seiko WVGA panel support

Add support for the 4.3'' Seiko WVGA parallel display.

In order to direct the splash screen to the Seiko display:

=> setenv panel SEIKO-WVGA
=> save
=> reset

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
arm: socfpga: Add I2C support to SoCFPGA

This patch adds I2C support for the SoCFPGA. Using the designware I2C
controller driver. It supports all 4 I2C busses on the SoCFPGA.

The designware I2C driver has now been converted to the
CONFIG_SYS_I2C framework. So lets enable it on SoCFPGA.

Tested on SoCrates.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Vince Bridgers <vbridger@altera.com>
Cc: Pavel Machek <pavel@denx.de>
Cc: Heiko Schocher <hs@denx.de>
tqma6: fix sf detection

Commit 155fa9af95ac5be857a7327e7a968a296e60d4c8 changed the way
to define a GPIO line, which can be used to force CS high
across multiple transactions. In order to fix sf detection
change board code to make use of board_spi_cs_gpio(..).

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
tqma6: fix typo in header guard define

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
ot1200: add feature pads

The older 'mr' variant and the generic variant of the
OT1200 differ in some places. As the name suggests the
generic variant supports more boot devices.

In order to be compatible with the 'mr' variant we define
some 'feature' GPIOs. On the 'mr' variant this pads are
not connected so we define their state with the help
of the internal pullups.

On the generic variant this GPIOs are connected and
represent the state of the hardware.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
ot1200: add support for usdhc4

On the 'mr' variant switching to 'mmc dev 1' will result
in "MMC: no card present".

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
ot1200: rework card detect for eMMC

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
novena: Fix ethernet PHY reset sequence

This patch fixes conflict between PHY pins becoming outputs after reset and
imx6 still driving the pins. It also fixes the reset timing as recommended by
the PHY datasheet.

Signed-off-by: Nikolay Dimitrov <picmaster@mail.bg>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
arm: imx6: fix typos in CCM_ANALOG_PLL_VIDEO_DENOM register name

Fix name for Video PLL denominator register.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
mtd: nand: mxs: Add ECC geometry for 2048b/112b NAND

Add ECC geometry for NAND which has 2048b pagesize and 112b OOB
size. This is for example Macronix MX30LF2G28AB chip.

Signed-off-by: Marek Vasut <marex@denx.de>
arm: arch-mx6: typo fixes in crm_regs.h

fix typos in video pll related register names and bit defines

Signed-off-by: Soeren Moch <smoch@web.de>
arm: mxs: Define bootscript env variable on m28evk

The patch below failed to define the variable, so define it
to make it consistent with M53EVK.

commit a428ac914b2b6db851c1feac98622f2d9844db45
Author: Lothar Rubusch <lothar@denx.de>
Date:   Thu Jun 26 11:01:29 2014 +0200

    ARM: m28evk: Update default environment

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
video: speedup writing strings to fb console

With enabled framebuffer console the printenv command can take several
seconds to complete. This patch temporarily disables cache flush when
writing strings to fb console. Then there is no noticable delay anymore.

Tested with imx6 hdmi framebuffer.

Signed-off-by: Soeren Moch <smoch@web.de>
Acked-by: Stefano Babic <sbabic@denx.de>