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Tegra 2 processors have only 16 double-precision registers. The change
introduced by 8dcc1087602e ("toolchain: ARM: Fix toolchain compilation
for gcc 8.x") switched accidentally the toolchain for tegra target to cpu
type with 32 double-precision registers. This stems from gcc defaults
which assume "vfpv3-d32" if only "vfpv3" as mfpu is specified. That
change resulted in unusable image, in which kernel will kill userspace as
soon as it causing "Illegal instruction".
Ref: https://forum.openwrt.org/t/gcc-was-broken-on-mvebu-armada-370-device-after-commit-on-2019-03-25/43272
Fixes: 8dcc1087602e ("toolchain: ARM: Fix toolchain compilation for
gcc 8.x")
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
(cherry picked from commit 43d1d88510621801d66a0a7f46f4c4f44d89633a)
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19.07 branch focuses on kernel 4.14
so remove all remaining 4.19 configs
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
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It's a variable set by procd that should replace hardcoded
/tmp/sysupgrade.tgz.
This change requires the most recent procd with the commit 0f3c136
("sysupgrade: set UPGRADE_BACKUP env variable").
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 641f6b6c26cb9ab5e1198810015e5f4b2b5b34ad)
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$CONF_TAR shouldn't be assumed to always point to the sysupgrade.tgz.
This change makes code more generic and allows refactoring $CONF_TAR.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 62dbe361a1b1ed1506bc0387bff55eddcb619e49)
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1) Add BACKUP_FILE and use it when copying an archive to be restored
after sysupgrade (on the next preinit).
2) Use CONF_TAR for copying backup prepared by the /sbin/sysupgrade
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit bf390478727ac5f4f9d6fb684de48b8150bcec67)
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This explicitly lets stage2 know if partitions should be preserved. No
more "touch /tmp/sysupgrade.always.overwrite.bootdisk.partmap" hack.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit b6f4cd57e19a8cfcd9ff52582b65164ce6213c3d)
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* Remove testing patches for kernel version 4.19
* remove targets ar7, ixp4xx, orion
Those targets are still on kernel 4.9, patches for 4.14 were not ready
in time. They may be readded once people prepare and test patches for
kernel 4.14.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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for better identification. Also create SUPPORTED_DEVICES string from it
which corresponds to dts compatible string.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
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If the target supports a newer kernel version that is not used by default
yet, it can be enabled with this option
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
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It is a small form factor computer with rich amount of expansion ports.
Some hardware specs and supported features in this commit:
CPU: NVIDIA Tegra 2 @ 1GHz
RAM: 1GB DDR2-667
Storage: SDHC card slot
µSDHC card slot
USB to SATA bridge (depends on model)
1MB SPI NOR flash for bootloader (single partition)
LAN: RTL8111DL GbE
WIFI: RT3070 b/g/n with external antenna (depends on model)
RTC: EM3027 (mapped as rtc0; with battery backup)
Tegra 2 built-in (mapped as rtc1)
Sound: Analog/Digital (TLV320AIC23b; S/PDIF not tested)
Connectors: 4x USB 2.0
RS232 (mini serial)
HDMI
DVI-D (depends on model, not supported atm)
Extension connector (24 pin ZIF, 0.5mm pitch):
2X UART
SPI
JTAG (1.8V)
Other: power button with green led (not functional for early revisions
without programmed PMIC)
2x GPIO configurable green led
TrimSlice uses U-Boot placed in NOR flash. Boots Linux from any media
connected to USB, SATA or SD card inserted in slot. Can also boot from
TFTP. To run OpenWrt one needs to update U-Boot to fairly recent version
(the versions, pre-dts/dts provided by CompuLab won't suffice):
1. Boot TrimSlice into Your current linux distro,
2. Download trimslice-spi.img from u-boot-trimslice subdir,
3. Install mtd-utils,
4. Run following commands:
flash_erase /dev/mtd0 0 256
nandwrite /dev/mtd0 trimslice-spi.img
5. Poweroff, insert SD card with OpenWrt, boot and enjoy.
If by some obstacle You can't follow those instructions, it is possible
to flash U-Boot using serial console.
1. Insert FAT or EXT2/EXT3 formatted SD card with trimslice-spi.img,
2. Interrupt boot process to enter U-Boot command line,
3. Run following commands:
${fs}load mmc 0 0x04080000 trimslice-spi.img
sf probe 0
sf erase 0 0x100000
sf write 0x04080000 0x0 ${filesize}
reset
4. Poweroff, insert SD card with OpenWrt, boot and enjoy.
If something went wrong with one of above steps, there is simple
recovery option:
1. Open the µSD slot security door to access the recovery-boot button,
2. Insert SD card with OpenWrt to the front slot while unpowered,
3. Power on the TrimSlice while pressing the recovery-boot button,
4. With this it should boot straigth to OpenWrt, from there download
trimslice-spi.img and execute following commands:
mtd erase /dev/mtd0
mtd write trimslice-spi.img /dev/mtd0
5. Reboot, now it should boot straigth to OpenWrt, without pressing the
recovery-boot button, with proper U-Boot flashed.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
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Add U-Boot for NVIDIA Tegra based boards, with the first being CompuLab
TrimSlice. This is part of initial support for this board.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
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New target introduces initial support for NVIDIA Tegra SoC based devices.
It focuses on Tegra 2 CPUs, for successors supporting NEON instruction
set the target should be split in two subtargets.
This initial commit doesn't create any device image, it's groundwork
for further additions.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
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