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Synchronize initramfs related configuration options and improve
memory layout. The memory layout with an offset of 16MiB allows
to boot bigger kernels. With AUTO_ZRELADDR, which is pretty much
the standard nowadays, the kernel relacates itself to PC masked
with 0xf8000000 plus a text offset of 0x8000 (hence 0x80008000 for
Vybrid/i.MX 7 or 0x10008000 for i.MX 6). To avoid that the kernel
overwrites itself during uncompress, move the kernel further away
from its decompressed location. With a 16MiB offset from the start
of memory and a 16MiB distance to the device-tree, we allow kernel
up to ~16MiB.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
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With the next release our update scripts write the kernel and
device tree in seperate UBI volumes. This allows to use a lot
less UBI/UBIFS support in U-Boot, which should lower the risk
of hitting bugs in this area. Boot times are also slightly
faster (measurements showed an improvement of ~150ms).
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
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Add CONFIG_ENV_VARS_UBOOT_CONFIG which adds environment variables
such as board_name or arch which is helpful for scripting.
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Fix automatic Ethernet update in case the configblock or U-Boot
environment is corrupted/missing which results in ethaddr aka the MAC
address not being set. Fix this by temporarily using a default Toradex
OUI only based MAC address.
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Introduce Ethernet update capability via setethupdate which is
automatically tried by setupdate as well should SD and USB update fail
(e.g. neither an SD card nor an USB memory stick with our flash_blk.img
script and accompanying artefacts is inserted.
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Sort CONFIG_EXTRA_ENV_SETTINGS alphabetically in order to allow for
easy comparison with our other board configuration files.
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Enable the crc32 commands verify support as our U-Boot update scripts
make use of this in order to detect and migrate the Toradex factory
configuration block.
BTW: On the Tegras this gets already pulled in through tegra-common.h.
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This helps to get rid of error -12 (ENOMEM) messages when attaching
the UBI partition.
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Use the CONFIG_ZERO_BOOTDELAY_CHECK option to allow interrupt the
boot process even if the delay is 0.
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Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
[add CONFIG_DM to colibri_vf_defconfig]
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
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Add additional environment variable "fdt_fixup" which will be
called between device tree load command and kernel boot command.
This allows to change device tree using U-Boot scripting
environment.
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Add support for ARM global timer. This allows to save the platform
wide PIT timer for other purposes such as MQX on the secondary
Cortex-M4 core.
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Use device-tree fixup to communicate the MTD partitions to the
kernel. U-Boot's mtdparts environment variable will be used as
partition source for the device-tree based partition table too.
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Add m4boot command which allows to boot FIT images on the Cortex-M4
kernel. The command currently only supports FIT image, which allows
to provide entry point and load addresses for all boot artifacts.
Currently, the Cortex-M4 mini loader needs to be loaded manually
to Kernel loadaddr - 0x80 (e.g. 0x8f000000, if kernel is loaded at
0x8f000080).
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Enable CONFIG_IP_DEFRAG and set CONFIG_TFTP_BLOCKSIZE to 16384.
This increases the tftp download speed from ~2.5 to ~8.2MiB/s.
While at it enable CONFIG_TFTP_TSIZE which limits the progress bar
to 50 '#' indepent off the downloaded file size.
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Increase console IO buffer size to 1024 from the previous value of 256.
The previous value was too short for editing environment variables like
ubiboot, from the console.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
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Use ft_system_setup to set Toradex specific device-tree properties.
At first, this is only the serial-number, which is using a property
which is about to be standardized in the binding documentation of
the Linux kernel.
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Add consoleblank=0 to disable console blanking by default. To use
initramfs without the need of creating a U-Boot image using mkimage,
enable CONFIG_SUPPORT_RAW_INITRD too.
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Some functionality is repetitve accross the boards. This creates
a common place for U-Boot functions which need to be implemented
similarly for all Toradex modules.
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Cleanup various whitespaces throughout its configuration file.
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Also, the kernel argument has been renamed (to fec.macaddr) and uses
a different format (0x00,0x2d...). The FEC ethernet address is assigned
through device tree nowadays. Hence remove the old argument "fec_mac"
without replacement.
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Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
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Add environment variables for default framebuffer support using a
default VGA mode. Also remove memargs, since we use memory size to
reserve the framebuffer which does not get overwritten by the
Linux kernel. See related commit: 1d7518ec3a ("video: dcu: fix
framebuffer to the end of memory")
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Fix the framebuffer location to the very end of the available memory.
This allows to remove the area from available memory for the kernel,
which in turn allows to display the splash screen through the while
Linux kernel boot process.
Ideas has been taken from the sunxi display driver, e.g.
20779ec3a5 ("sunxi: video: Dynamically reserve framebuffer memory")
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The Vybrid SoC family has the same display controller unit (DCU)
like the LS1021A SoC. This patch adds platform data, pinmux defines
and clock control to enable the driver for Vybrid based boards too.
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Implement boot mode for Vybrid SoC. Boot mode selection works much
like the i.MX6 implementation. Provide a standard set of boot modes
for the two eSDHC instances and use the reserved mode to jump into
SoC's recovery mechanism, the serial downloader.
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Display model information even if config block is missing.
While at it fix an indentation issue, update copyright period and fix
abbreviated setenv commands.
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Add default environment variable allowing update of the on-board flash
using USB mass storage in addition to SD card.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
[merged with SD-card update script]
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
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Add writebcb command which creates a NAND Boot Configuration Block
(BCB) at the beginning of the active flash device. The BCB stores
the information for the SoC internal boot ROM where the application
with a valid IVT header can be found on the NAND device. The first
two argument of the command need an offset of the NAND device where
the primary and secondary application can be found.
Typically, U-Boot is the application which gets loaded by the boot
ROM. Hence, the offset address need to be the address where U-Boot
(u-boot.imx along with a 0x400 long prefix) is stored on the device.
At least one location is mandatory.
Currently only the FCB (Firmware Configuration Block) is written to
the device. The DBBT (Discovered Bad Block Table) is optional and
not created by writebcb currently.
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This adds initial support for Colibri VF50/VF61 based on Freescale
Vybrid SoC.
- CPU clocked at 396/500 MHz
- DDR3 at 396MHz
- for VF50, use PLL2 as memory clock (synchronous mode)
- for VF61, use PLL1 as memory clock (asynchronous mode)
- Console on UART0 (Colibri UART_A)
- Ethernet on FEC1
- PLL5 based RMII clocking (E.g. No external crystal)
- UART_A and UART_C I/O muxing
- Boot from NAND by default
- USB host and client support
Tested on Colibri VF50/VF61 booting using serial loader over UART.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
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