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We are now using an env_ prefix for environment functions. Rename these
two functions for consistency. Also add function comments in common.h.
Quite a few places use getenv() in a condition context, provoking a
warning from checkpatch. These are fixed up in this patch also.
Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
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Rename this function for consistency with env_set().
Signed-off-by: Simon Glass <sjg@chromium.org>
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We are now using an env_ prefix for environment functions. Rename setenv()
for consistency. Also add function comments in common.h.
Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
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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>
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At present CONFIG_CMD_SATA enables the 'sata' command which also brings
in SATA support. Some boards may wish to enable SATA without the command.
Add a separate CONFIG to permit this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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Include this header where needed so we do not need to rely on common.h.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Early backports of the imx wdog external reset feature occured before the
property was accepted upstream and used 'ext-reset-output' instead of
'fsl,ext-reset-output'. In order to support older kernels remove both
properties.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The variable nfc_pads is only referenced when CONFIG_CMD_NAND is set,
move the existing guard and drop a now redundant comment. The variable
gwproto_gpio_pads is never referenced, remove it.
Cc: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
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Added removal of the fsl,ext-reset-output property in the wdog node for board
revisions that pre-date the addition of the external watchdog reset signal.
This property is a recent addition to mainline linux kernel in order to
specify that the IMX watchdog external reset should be used instead of the
internal chip-level reset.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Re-factor the board-specific dt fixups so that they are easier to follow
and extend in the future:
- use defines for DT paths
- use switch/case per board
- order models numerically
There is no functional change in the code
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The hwconfig env var allows user to control hardware specific configuration
of board specific features but not all Ventana boards have the same features.
We will use the magic default value of "_UNKNOWN_" to signify that the
bootloader should create this based on detected board model.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Replace the static list of board-specific digital I/O's with a dynamic list.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Ventana boards with a PCI Marvell Sky2 GigE MAC require the MAC address to
be placed in a DT node in order for the mainline linux driver to obtain it.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The GW16082 mini-PCI expansion mezzanine uses a TI XIO2001 PCIe-to-PCI
bridge with legacy INTA/B/C/D interrupts. These interrupts are assigned
in the reverse order according to the PCI spec.
If the TI bridge is found on the Ventana PCI bus, add device-tree nodes
according to bus enumeration explicitly defining the interrupt mapping
to override the default PCI mapping in the Linux kernel. This allows
the GW16082 to work with upstream kernels that support device-tree
irq parsing.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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UHS-I support is available on Ventana boards with micro-SD sockets depending
on the board revision. For backwards compatibility to not break users
who have old bootloaders and newer kernels the device-tree on boards with
microSD disables UHS-I support by default by defining the no-1-8-v property
in the esdhc controller node. For models/revisions that support switchable
1.8V/3.3V I/O which is detectable by the presence of a pull-down on the
SD3_VSELECT pin we remove that property to enable support in the kernel.
Additionally we add SD3_VSELECT to the pinmux for clarity (even though U-Boot
does not currently support UHS-I modes requiring 1.8V I/O).
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Most Ventana boards have a connector with off-board digital-I/O signals
including some that can be pinmuxed as either a PWM or a GPIO. The hwconfig
env variable is used to configure these and they will be pinmuxed according
to this configuration in the bootloader.
This patch adds a device-tree fixup that will enable the pwm controller
nodes appropriately for digital-I/O's that are configured as pwm via hwconfig
so that the pin can be used with the Linux kernel /sys/class/pwm API.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Calling request_gpio to register bklt_gpio with the GPIO driver had no effect
in setup_display called from early board init (although pinmuxing it and
configuring it as output-low does do what it should). Therefore move the
request_gpio later in enable_lvds so that its registered for use by the
gpio command if LVDS is actually enabled.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Since CONFIG_OF_BOARD_SETUP depends on CONFIG_OF_LIBFDT:
config OF_BOARD_SETUP
bool "Set up board-specific details in device tree before boot"
depends on OF_LIBFDT
...
remove superfluous tests of CONFIG_OF_LIBFDT when testing for
CONFIG_OF_BOARD_SETUP.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
[trini: Typo fix: s/ifdefi/ifdef/]
Signed-off-by: Tom Rini <trini@konsulko.com>
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This avoids an error message on NAND-less boards.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The fdt_file1 and fdt_file2 vars provide fallbacks for the fdt file loading
script. There is no need to allow the user to override these as if they
want to specify the fdt, they should do so in the first attempt which is
the fdt_file var.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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We want to model env var to always reflect what was in the EEPROM. There
is no point in allowing a user to override this.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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- Added iomux for CAN_STBY and RS484_TEN (GW52xx/GW53xx/GW54xx/GW551x)
- Moved iomux of USBHUB_RST# out of board_ehci_hcd_init so that it is
done regardless of USB being initialized in bootloader
- Added usb_sel iomux/hwconfig for GW552x
- Fixed mezzanine DIO for GW54xx
- Fixed PANLEDR# for GW54xx
- Fixed dio iomux/hwconfig for GW552x
- Fixed dio iomux for GW551x
- removed redundant #define
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Avoid requiring board-model and probe pmic by its i2c address.
This is in preparation for being able to call pmic_setup() from SPL
and not need board type.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Move the code that disables the GSC boot watchdog into gsc.c
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Move shared functions used by both SPL and U-Boot to common.c:
- setup_iomux_uart() and uart pad config
- gpio pad config
In the process also moved the following to common.c in preparation for
calling it from the SPL:
- split i2c setup into a shared function
- move pmic init to setup_pmic() function to call directly from
power_init_board()
- split gpio setup into early (iomux and default pin config)
and late (output configuration based on env)
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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PCI enumeration occurs early, before we fully configure our GPIO's. Make
sure we steer the MSATA/PCI mux to PCI in board_init to ensure PCI is
selected before enumeration.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The re-assignment of pcie_rst gpio for GW522x needs to occur earlier, before
the PCI subsystem calls the toggle funciton.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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mxc_serial supports DM so lets use it.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Prior to using a gpio a call to gpio_request() should be called to register
it with the gpio subsystem.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The initial revision of the GW551x does not connect enough signals between
the HDMI receiver and the IMX6 CSI for 16bit capture mode necessary for
yuv422smp capture. Future revisions will, but for the initial rev force it
to yuv422bt656 mode which requires an 8bit video data bus.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The HDMI receiver used on the GW54xx and GW551x has a 16bit video data bus
interconnect between it and the IMX6 CSI. This can be used in two different
modes, each having advantages and disadvantages. Allow the hdmiinfmt env
var to specify which format is desired (yuv422smp or yuv422bt656).
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The GW522x is functionally the same as a GW52xx except for PCIE_RST#
GPIO. Add a DT fixup to change this gpio upon bootup.
Signed-off-by: Pushpal Sidhu <psidhu@gateworks.com>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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This adds information about the Gateworks System Controller to the gsc command
such as the firmware version, firmware CRC and status of the GSC watchdog
(if its enabled and if its tripped).
Additionally the 'gsc wd' command can be used to enable or disable the
watchdog with the following usage:
gsc wd enable [30|60]
gsc wd disable
Note that the GSC registers are battery-backed by the GSC coincell so once
eanbled, they remain enabled across power-cycles or until either the GSC
firmware has been updated or FLASH has been re-programmed by the Gateworks
JTAG adapter.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Configure kernel device-tree for display from env var. This is useful
to specify the display present when the device-tree supports multiple
non-detectable display configurations.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Add LVDS support for two LVDS LCD displays:
DLC-700JMGT4 - 7" 1024x600
DLC-800FIGT3 - 8" 1024x768
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Certain older kernels in use by some customers erroneously define a uart3
for GW54xx with a pinmux that conflicts with NAND. This will remove
that node to avoid such conflicts.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The GW551x-A revision does not have the CSI0_DATA_EN pin connected, therefore
we need to make sure that signal is not muxed to the CSI_DATA_EN signal
internally and do so by steering it to the unused GPIO5_IO20.
We do this so that the kernel device-tree can properly define the signal for
RevB and beyond boards that do have this hooked up properly and require it.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Certain OS bootscripts need to know how much memory a board has to adjust
kernel parameters (namely Android). This allows those boards to determine
mem size in MB.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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The GW551x is a small form factor board based on the IMX6 SoC that includes:
* up to 512MB DDR3 memory
* up to 2GB NAND flash
* 1x miniPCIe socket (with USB)
* HDMI out (micro-HDMI)
* HDMI in (micro-HDMI)
* TTL level I/O (supported by GW16111 breakout board):
* I2C
* 2x UART
* CAN
* 2x DIO (GPIO/PWM)
* USB OTG
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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