| Commit message (Collapse) | Author | Age | Files | Lines |
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The UEFI specification paragraph quoted above notes:
> The watchdog timer is only used during boot services. On successful
> completion of ExitBootServices() the watchdog timer is disabled.
Thus disabling the watchdog is _the_ only proper behavior. Adjust the
wording accordingly.
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have barebox get its environment out of a "barebox-environment"
partition. The BootROM and first stage bootloader both select partitions
on name not UUID, so we're following suit.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some peripherals are still missing, but the main functionality to boot
an OS is already in place. Document how to use it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Document the image and load structure for i.MX6 and i.MX8MQ.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This board is produced by Embest/Element 14 and is based on i.MX6 Dual.
For more informations on this board :
http://www.embest-tech.com/shop/star/marsboard.html
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Tested-by: Stefan Lengfeld <contact@stefanchrist.eu>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There's a clear mismatch between actual TCL code and comment right
next to it. Comments are definetly right, so fix the TCL code.
Fixes: 02738f4b59 ("Documentation: zii-vf610-dev: Reconcile DDR setup with DCD")
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When attempting to use the existing configuration file to bootstrap an
RMU2 board, openocd would consistently fail in the 'safe_reset' function
with a number of errors.
Disabling the internal reset handling (similar to what's done on the
i.MX7 Sabre boards) allowed barebox to download and run successfully.
Tested with openocd-0.10.0+dev-00924-g16496488 on a Zodiac RMU2.
Signed-off-by: Cory Tusar <cory.tusar@zii.aero>
Tested-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When attempting to use the existing configuration file to bootstrap
an SCU4 AIB board, openocd would consistently fail on the 'halt' command
with a "Target not examined yet" error. Dumping target information
showed that vf610.cpu1 was the active target, rather that vf610.cpu0.
Adding a command prior to the halt to explicitly set the target core
resulted in proper operation.
Tested with openocd-0.10.0+dev-00924-g16496488 on a Zodiac SCU4 AIB.
Signed-off-by: Cory Tusar <cory.tusar@zii.aero>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Support for the SoC is still in progress, but lets document
what we have now.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Fixes: 3067cd85d ("ARM: omap: am33xx_defconfig: Enable more boards and rename")
Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The compute module on the 6ULL-EVK has two DIP switches for choosing the
boot mode. Instead of looking them up in the vendor documentation[1] each
time, document them here.
[1]: https://media.digikey.com/pdf/Data%20Sheets/Freescale%20Semi/i.MX_6UL_EVK_QSG.pdf
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The SoC's vendor is NXP. Correct the typo.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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To prepare for addition of another ZII i.MX7D based board, i.MX7D
RMU2, rename zii-imx7d-rpu2 to zii-imx7d-dev to avoid any image naming
confusion.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Fix a buggy while loop expression, that, due to '==' operator's
precedence (higher than that of '&') was always evaluating to false
rendering busy loop into a no-op.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Reconcile DDR setup code with corresponding DCD line by line, to avoid
having any doubts if the two are identical (there wer some minor
differences).
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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As observed on CFU1 board, without this delay we interrupt mask ROM
code execution even before it sets up any PLLs correctly preventing
Barebox from correctly starting up. Fixing this by adding PLL setup
code to OpenOCD script helps somewhat and Barebox starts, howerver CPU
started this way ends up being unstable crashing randomly during
further Barebox use.
Adding a simple 100 ms post reset delay resolves all of the described
issues. This is also consistent with how other ZII boards are set up.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of jumping through hoops using the bsp-editor gui, just use the
underlying python script for importing.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Bastian Krause <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Bastian Krause <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Update various files in zii-imx8mq-dev:
- Add bootstrap.sh to match other boards
- Cosmetic update to openocd.cfg to match the style of other ZII
boards
- Update readme.rst to reflecte the chagnes
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add OpenOCD scipts and notes on usage for various ZII i.MX6Q based
boards.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add OpenOCD scipts and notes on usage for various ZII i.MX7 based
boards.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add OpenOCD scipts and notes on usage for various ZII VF610 based
boards.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add support for the Digi CCIMX6UL SBC Pro.
It is based on the Digi CCIMX6UL SOM with 256MB RAM and 256MB NAND
flash.
v2:
- fix includes
- rename folder to som
- switch to compressed dtb
- remove the unnecessary get_runtime_offset
all from Ahmad Fatoum
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Table 3. Boot mode setting in the user's guide[1] lists
0010 as 'Boot from EMMC'. Adjust diagram accordingly.
[1]: https://www.mouser.com/ds/2/302/IMX8MDQLQEVKHUG-1280333.pdf
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The MCI instances got aliases in the DTS from linux upstream which changed
the eMMC devicename e.g. from disk0 to mmc2. Adapt to this.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When booting a Raspberry Pi, it is useful to extract bootargs from the
device tree that was created by the VideoCore firmware. These bootargs
contain for example settings for the framebuffer that the kernel needs
to properly set the video output.
This commit extracts the bootargs in the board initialization code and
saves them to the vc.bootargs global variable.
For example, a bootloader environment can then add the contents of this
variable to linux.bootargs.vc, which then gets included into the final
bootargs for the kernel using CONFIG_FLEXIBLE_BOOTARGS.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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On Raspberry Pi, VideoCore firmware creates a device tree that contains
information about peripherals that were initialized by VideoCore based
on settings in config.txt. Normally this device tree is passed to the
Linux kernel via a pointer in the r2 register. A bootloader needs to
pass this device tree to the kernel, or some peripherals will not work
correctly.
Since the VideoCore device tree is not compatible with barebox, we can't
just pass it to barebox_arm_entry() as the internal barebox device tree.
This commit makes the prebootloader code copy the device tree from
VideoCore into a scrap RAM area just above the area reserved for the
bootloader. Board initialization code in the bootloader proper then
copies it into a file /vc.dtb. The bootloader environment is then free
to pass this file to the kernel at boot (e.g. via bootm -o).
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since commit: "da985aac8 firmware: drop the imx subdir" the firmware is
not longer placed in imx subdir. So the subdir can be removed from the
documentation.
Signed-off-by: Christian Hemp <christian.hemp@posteo.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since we now use the miniuart on the raspberry pi 3, the miniuart overlay is no
longer needed.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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sphinx warns:
Documentation/boards/imx/amazon-kindle-4-5.rst:39: WARNING: Enumerated list ends without a blank line; unexpected unindent.
Documentation/boards/imx/amazon-kindle-4-5.rst:42: WARNING: Enumerated list ends without a blank line; unexpected unindent.
Documentation/boards/imx/amazon-kindle-4-5.rst:45: WARNING: Enumerated list ends without a blank line; unexpected unindent.
Solve this by fixing the list enumeration and adding blank lines.
Signed-off-by: Roland Hieber <rhi@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add support for the following ZII i.MX8MQ based boards:
- ZII i.MX8MQ RMB3
- ZII i.MX8MQ Zest
Most of the basic peripherals are supported by this patch. More
advanced features such as PCIe, display support, etc, are planned to
be added later.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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A number of board documentation file have subsections. Increase
:maxdepth:, so we'd get proper TOC and numbering.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We don't intend to ship any files in this directory, so there is no
risk of the directory getting too crowded over time. Drop the subdir
as this makes it easier for a outer build system to drop all the
needed firmwares into the correct directory.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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