Commit graph

47 commits

Author SHA1 Message Date
Wolfgang Denk
66356b4c06 WS cleanup: remove trailing empty lines
Signed-off-by: Wolfgang Denk <wd@denx.de>
2021-09-30 08:08:56 -04:00
Simon Glass
9d8665b709 i2c: Convert CONFIG_POWER_I2C et al to Kconfig
This converts the following to Kconfig:
   CONFIG_POWER_I2C
   CONFIG_POWER_LEGACY

They are handled at the same time due to a dependency between them.
Update the Makefile rule to use legacy power only in U-Boot proper.
Unfortunately a separate rule is needed in SPL to be able to build
legacy power.  Add SPL related symbols for both, to allow for SPL-only
usage.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
[trini: More SPL related cleanups, reword commit message]
Signed-off-by: Tom Rini <trini@konsulko.com>
2021-09-04 12:26:02 -04:00
Simon Glass
29d7153ec3 power: Rename CONFIG_POWER to CONFIG_POWER_LEGACY
This option is used in pre-driver model code and much of it has never
been converted to driver model.

We want to add a new option to enable power support, so we can use a
simple rule in the Makefile. Rename this one, which is really about
a particular implementation of power.

Also update the pmic.h header file so it either includes the legacy
API or the driver model one.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
2021-09-04 12:26:02 -04:00
Harald Seiler
35b65dd8ef reset: Remove addr parameter from reset_cpu()
Historically, the reset_cpu() function had an `addr` parameter which was
meant to pass in an address of the reset vector location, where the CPU
should reset to.  This feature is no longer used anywhere in U-Boot as
all reset_cpu() implementations now ignore the passed value.  Generic
code has been added which always calls reset_cpu() with `0` which means
this feature can no longer be used easily anyway.

Over time, many implementations seem to have "misunderstood" the
existence of this parameter as a way to customize/parameterize the reset
(e.g.  COLD vs WARM resets).  As this is not properly supported, the
code will almost always not do what it is intended to (because all
call-sites just call reset_cpu() with 0).

To avoid confusion and to clean up the codebase from unused left-overs
of the past, remove the `addr` parameter entirely.  Code which intends
to support different kinds of resets should be rewritten as a sysreset
driver instead.

This transformation was done with the following coccinelle patch:

    @@
    expression argvalue;
    @@
    - reset_cpu(argvalue)
    + reset_cpu()

    @@
    identifier argname;
    type argtype;
    @@
    - reset_cpu(argtype argname)
    + reset_cpu(void)
    { ... }

Signed-off-by: Harald Seiler <hws@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-03-02 14:03:02 -05:00
Simon Glass
401d1c4f5d common: Drop asm/global_data.h from common header
Move this out of the common header and include it only where needed.  In
a number of cases this requires adding "struct udevice;" to avoid adding
another large header or in other cases replacing / adding missing header
files that had been pulled in, very indirectly.   Finally, we have a few
cases where we did not need to include <asm/global_data.h> at all, so
remove that include.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
2021-02-02 15:33:42 -05:00
Masahiro Yamada
b75d8dc564 treewide: convert bd_t to struct bd_info by coccinelle
The Linux coding style guide (Documentation/process/coding-style.rst)
clearly says:

  It's a **mistake** to use typedef for structures and pointers.

Besides, using typedef for structures is annoying when you try to make
headers self-contained.

Let's say you have the following function declaration in a header:

  void foo(bd_t *bd);

This is not self-contained since bd_t is not defined.

To tell the compiler what 'bd_t' is, you need to include <asm/u-boot.h>

  #include <asm/u-boot.h>
  void foo(bd_t *bd);

Then, the include direcective pulls in more bloat needlessly.

If you use 'struct bd_info' instead, it is enough to put a forward
declaration as follows:

  struct bd_info;
  void foo(struct bd_info *bd);

Right, typedef'ing bd_t is a mistake.

I used coccinelle to generate this commit.

The semantic patch that makes this change is as follows:

  <smpl>
  @@
  typedef bd_t;
  @@
  -bd_t
  +struct bd_info
  </smpl>

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-07-17 09:30:13 -04:00
Tom Rini
2b41e19cc5 imx: Remove ARCH= references from documentation
When building U-Boot we select the architecture via Kconfig and not ARCH
being passed in via the environment or make cmdline.

Cc: Adam Ford <aford173@gmail.com>
Cc: Vanessa Maegima <vanessa.maegima@nxp.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Igor Opaniuk <igor.opaniuk@toradex.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
2020-06-02 17:27:04 -04:00
Simon Glass
691d719db7 common: Drop init.h from common header
Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 17:33:33 -04:00
Simon Glass
90526e9fba common: Drop net.h from common header
Move this header out of the common header. Network support is used in
quite a few places but it still does not warrant blanket inclusion.

Note that this net.h header itself has quite a lot in it. It could be
split into the driver-mode support, functions, structures, checksumming,
etc.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 17:33:31 -04:00
Simon Glass
c3dc39a2f8 arm: Don't include common.h in header files
It is bad practice to include common.h in other header files since it can
bring in any number of superfluous definitions. It implies that some C
files don't include it and thus may be missing CONFIG options that are set
up by that file. The C files should include these themselves.

Update some header files in arch/arm to drop this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 14:54:24 -04:00
Simon Glass
9a3b4ceb37 common: Move reset_cpu() to the CPU header
Move this function out of common.h and into a relevant header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-01-17 14:02:31 -05:00
Joris Offouga
bc9b06533a pico-imx7d: Convert to DM_ETH
Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
2020-01-14 22:24:08 +01:00
Simon Glass
5255932f01 common: Move some board functions out of common.h
A number of board function belong in init.h with the others. Move them.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
2019-12-02 18:25:21 -05:00
Joris Offouga
3a7f25b765 pico-imx7d: Remove dead code for dm_video
Since convert dm_video, unused code introduced, so remove this

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Reviewed-by: Otavio Salvador <otavio@ossystems.com.br>
2019-10-08 16:36:37 +02:00
Joris Offouga
f730fdf98b pico-imx7d: fix splash logo drawing
Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Reviewed-by: Otavio Salvador <otavio@ossystems.com.br>
2019-10-08 16:36:37 +02:00
Joris Offouga
d89f0a889f configs: pico-imx7d: Convert to DM_VIDEO
This commit convert all pico-imx7d to DM_VIDEO

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
2019-10-08 16:35:59 +02:00
Stefano Babic
95fd8326ee imx: fix missing MAINTAINERS pico boards
Add missing files pico-nymph-imx7d_defconfig and
c>onfigs/pico-dwarf-imx7d_defconfig

Signed-off-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
CC: Fabio Estevam <festevam@gmail.com>
CC: Otavio Salvador <otavio@ossystems.com.br>
2019-10-08 16:35:59 +02:00
Fabio Estevam
b446ce2977 pico-imx7d: Provide a way to escape the Falcon mode
When CONFIG_SPL_OS_BOOT is selected, it is still convenient to be able
to escape from Falcon mode and boot to U-Boot proper.

Add a mechanism that allows booting in U-Boot proper when the
key 'c' is entered on console at boot time.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2019-10-08 16:35:59 +02:00
Fabio Estevam
26e85def4c pico-imx7d: Add instructions for booting in Falcon mode
Improve the README by adding instructions on how to boot using
Falcon mode, which allows the SPL to load the kernel directly,
without using U-Boot proper.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2019-10-08 16:35:59 +02:00
Joris Offouga
e4258ddd59 pico-imx7d: Enable DM_USB
This patch enable usb support with device-tree

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
2019-07-19 20:14:50 +02:00
Tom Rini
f5e73a34ed Merge tag 'mmc-6-23' of https://github.com/MrVan/u-boot
- Pull in the series to split fsl_esdhc for i.MX/non-i.MX cleanly
2019-07-08 15:59:41 -04:00
Fabio Estevam
36adc9a06f pico-imx7d: README: Adjust the binary name after DM conversion
After the conversion to DM the U-Boot binary is called u-boot-dtb.imx,
so fix the README file accordingly.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Joris Offouga <offougajoris@gmail.com>
2019-06-27 14:09:28 +02:00
Yangbo Lu
e37ac717d7 Convert to use fsl_esdhc_imx for i.MX platforms
Converted to use fsl_esdhc_imx for i.MX platforms.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Tested-by: Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Martyn Welch <martyn.welch@collabora.com>
Acked-by: Jason Liu <Jason.hui.liu@nxp.com>
2019-06-23 14:18:34 +08:00
Fabio Estevam
f4825ab643 pico-imx7d: MAINTAINERS: Unify all board entries
It is easier to consolidate all boards into a single entry.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
2019-06-11 10:42:48 +02:00
Jun Nie
c72a23701b pico-imx7d: enable boot without PMIC
If PMIC is not probed successfully, it is still OK to boot
with default configuration although power is not optimized.

Default voltage of SW1A/SW1B is 1.1V/1.0V for PC32PF3000A1EP
on pico according to table 42 of spec of PF3000 ver 9.0.

Default mode of SW1A/SW1B is APS as expected(table 47).

Signed-off-by: Jun Nie <jun.nie@linaro.org>
2019-06-11 10:42:48 +02:00
Jun Nie
76ed1036c2 pico-imx7d: README: Add BL33 usage case
Add Documentation of BL33 usage case. U-boot is in
non-secure world in this case.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
2019-06-11 10:42:48 +02:00
Jun Nie
1d3b852e52 pico-imx7d: Reserve region of memory to OPTEE
Subtracts CONFIG_OPTEE_TZDRAM_SIZE from the available DRAM size so that
the OPTEE memory is not override during u-boot relocation.

Note the OPTEE live in the end part of DRAM and OPTEE boot process will
itself subtract the DRAM region it lives in from the memory map passed
to Linux.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
2019-06-11 10:42:48 +02:00
Joris Offouga
4e267b92fb pico-imx7d: Convert DM MMC
This patch enable convert DM MMC for imx7d-pico board and variant.

Before the DM conversion only usdhc3 was enabled and therefore it appeared
as MMC 0 to u-boot. After enabling MMC DM though usdhc3 defaults to MMC 2,
which left unattended would drive changes to existing pico-pi bootscripts and
environment variables that rely on mmc 0.

Setup the alias of mmc0 and usdhc3 so that existing pico-imx7d boot code will
work unmodified.

When converting to DM_MMC it is necessary that SPL initializes eMMC
by itself, so move the original eMMC initialization from U-Boot
proper to SPL.

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
2019-04-25 19:16:24 +02:00
Joris Offouga
d5f3a470de pico-imx7d: defconfig Enable DM gpio pinctrl and pinctrl_imx7
This patch is necessary for convert this board to dm driver model

DM GPIO requires gpio_request() to be called explicitly before
doing any gpio operation

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
2019-04-25 19:16:24 +02:00
Fabio Estevam
00102ae520 pico-imx7d: README: Recommend the usage of a USB hub
Since commit 9e3c0174da ("pico-imx7d: Add LCD support") we started to
notice some hangs in U-Boot.

There is not an issue on such commit per se, but due to the LCD support
the current drawn is increased and this may cause issues when powering
pico-imx7d-pi from USB.

Some computers may be a bit strict with USB current draw and will
shut down their ports if the draw is too high.

The solution for that is to use an externally powered USB hub between the
board and the host computer.

Add such recommendation to the README file.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
2019-03-31 20:19:19 +02:00
Fabio Estevam
9e3c0174da pico-imx7d: Add LCD support
Add support for the VXT VL050-8048NT-C01 panel connected through
the 24 bit parallel LCDIF interface.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2019-01-28 12:53:48 +01:00
Fabio Estevam
780e31e93f pico-imx7d: Add USB Host support
USB OTG2 port is connected to the USB host connector.

Add support for it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-10-09 18:28:06 +02:00
Otavio Salvador
f7df8932cc pico-imx7d: Add a new defconfig with PICO-Hobbit selected
This adds a new defconfig which pre-selects the PICO-Hobbit baseboard
allowing a completely non-interactive boot process.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-09-18 16:55:21 +02:00
Otavio Salvador
f40d0e8b25 pico-imx7d: Fix TechNexion spelling on MAINTAINERS file
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-09-18 16:55:21 +02:00
Fabio Estevam
4cdeda511f pico-imx7d: Update the README file
Update the README file to take into accound the switch to SPL.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-09-06 09:19:13 -04:00
Tom Rini
275906dc1b pico-pi: Add Otavio as maintainer
Update the MAINTAINERS file to list Otavio Salvador as the maintainer
for this board.

Acked-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Tom Rini <trini@konsulko.com>
2018-07-31 14:47:01 -04:00
Otavio Salvador
0a7b54f587 pico-imx7d: README: Drop old instructions about secure mode
Our default config already has the secure mode supported, so the
manual step is not required anymore.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-07-23 10:59:48 +02:00
Otavio Salvador
619fc167b6 pico-imx7d: README: Use dfu-util to flash U-Boot
The DFU allows a more user friendly use as the details where the
bootloader is installed are abstracted.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-07-23 10:59:48 +02:00
Fabio Estevam
e5ccad5d00 pico-imx7d: Do not override addrmap5
The addrmap5 value is the same for the 512MB and 1GB variants,
so there is no need to override it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-07-23 10:59:48 +02:00
Fabio Estevam
78d30a1bc0 pico-imx7d: Add Falcon mode support
Falcon mode boots the kernel directly from SPL, without loading
the full U-Boot.

As pico-imx7d does not have a GPIO for selecting Falcon versus
normal mode, enter in Falcon mode when the customer selects
the CONFIG_SPL_OS_BOOT option in menuconfig.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-07-23 10:59:48 +02:00
Fabio Estevam
d5b7177f91 pico-imx7d: Add SPL support
Convert pico-imx7d to SPL support.

There are two variants of pico-imx7d SOMs:
- One with 512MB of RAM
- One with 1GB of RAM

The 512MB module contains two Hynix H5TC2G63GFR-PBA.
The 1GB module contains two Hynix H5TC4G63GFR-PBA.

The RAM size is determined in runtime by reading GPIO1_12.

While at it, also add USB Serial Download mode support as it
is very helpful for loading SPL and u-boot.img via imx_usb_loader.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-07-23 10:59:48 +02:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Vanessa Maegima
0bfd4f81ae pico-imx7d: Add "how to boot with NXP 4.1 Kernel"
The NXP 4.1 kernel needs to boot with secure boot.

Add information on how to enable secure boot mode.

Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
2017-09-18 17:15:28 +02:00
Eric Nelson
8590786acf imx: imx7d: remove CamelCase from ENET_xMHz macros
Update these macros to use all upper-case to avoid checkpatch
warnings:

	ENET_25MHz,
	ENET_50MHz,
	ENET_125MHz,

Signed-off-by: Eric Nelson <eric@nelint.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
2017-09-18 17:15:28 +02:00
Stefano Babic
552a848e4f imx: reorganize IMX code as other SOCs
Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.

This change is also coherent with the structure in kernel.

Signed-off-by: Stefano Babic <sbabic@denx.de>

CC: Fabio Estevam <fabio.estevam@nxp.com>
CC: Akshay Bhat <akshaybhat@timesys.com>
CC: Ken Lin <Ken.Lin@advantech.com.tw>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Heiko Schocher <hs@denx.de>
CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com>
CC: Christian Gmeiner <christian.gmeiner@gmail.com>
CC: Stefan Roese <sr@denx.de>
CC: Patrick Bruenn <p.bruenn@beckhoff.com>
CC: Troy Kisky <troy.kisky@boundarydevices.com>
CC: Nikita Kiryanov <nikita@compulab.co.il>
CC: Otavio Salvador <otavio@ossystems.com.br>
CC: "Eric Bénard" <eric@eukrea.com>
CC: Jagan Teki <jagan@amarulasolutions.com>
CC: Ye Li <ye.li@nxp.com>
CC: Peng Fan <peng.fan@nxp.com>
CC: Adrian Alonso <adrian.alonso@nxp.com>
CC: Alison Wang <b18965@freescale.com>
CC: Tim Harvey <tharvey@gateworks.com>
CC: Martin Donnelly <martin.donnelly@ge.com>
CC: Marcin Niestroj <m.niestroj@grinn-global.com>
CC: Lukasz Majewski <lukma@denx.de>
CC: Adam Ford <aford173@gmail.com>
CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
CC: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Soeren Moch <smoch@web.de>
CC: Richard Hu <richard.hu@technexion.com>
CC: Wig Cheng <wig.cheng@technexion.com>
CC: Vanessa Maegima <vanessa.maegima@nxp.com>
CC: Max Krummenacher <max.krummenacher@toradex.com>
CC: Stefan Agner <stefan.agner@toradex.com>
CC: Markus Niebel <Markus.Niebel@tq-group.com>
CC: Breno Lima <breno.lima@nxp.com>
CC: Francesco Montefoschi <francesco.montefoschi@udoo.org>
CC: Jaehoon Chung <jh80.chung@samsung.com>
CC: Scott Wood <oss@buserror.net>
CC: Joe Hershberger <joe.hershberger@ni.com>
CC: Anatolij Gustschin <agust@denx.de>
CC: Simon Glass <sjg@chromium.org>
CC: "Andrew F. Davis" <afd@ti.com>
CC: "Łukasz Majewski" <l.majewski@samsung.com>
CC: Patrice Chotard <patrice.chotard@st.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Stephen Warren <swarren@nvidia.com>
CC: Andre Przywara <andre.przywara@arm.com>
CC: "Álvaro Fernández Rojas" <noltari@gmail.com>
CC: York Sun <york.sun@nxp.com>
CC: Xiaoliang Yang <xiaoliang.yang@nxp.com>
CC: Chen-Yu Tsai <wens@csie.org>
CC: George McCollister <george.mccollister@gmail.com>
CC: Sven Ebenfeld <sven.ebenfeld@gmail.com>
CC: Filip Brozovic <fbrozovic@gmail.com>
CC: Petr Kulhavy <brain@jikos.cz>
CC: Eric Nelson <eric@nelint.com>
CC: Bai Ping <ping.bai@nxp.com>
CC: Anson Huang <Anson.Huang@nxp.com>
CC: Sanchayan Maity <maitysanchayan@gmail.com>
CC: Lokesh Vutla <lokeshvutla@ti.com>
CC: Patrick Delaunay <patrick.delaunay@st.com>
CC: Gary Bisson <gary.bisson@boundarydevices.com>
CC: Alexander Graf <agraf@suse.de>
CC: u-boot@lists.denx.de
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-07-12 10:17:44 +02:00
Fabio Estevam
8d6040c725 pico-imx7d: Remove bouncing email
Wig Cheng's email bounces, so remove it from the maintainers list.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
2017-06-29 21:30:16 -04:00
Vanessa Maegima
1541d7a63d pico-imx7d: Add initial support
Add the initial support for pico-imx7d board based on Wig Cheng's
source code.

Add support for eMMC, USB gadget, I2C, PMIC and Ethernet.

For more information about this board, please visit:
http://www.technexion.org/products/pico/pico-som/pico-imx7-emmc

Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
2017-05-31 09:58:40 +02:00