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* kernel: fix FIT partition parser compatibility issuesDaniel Golle2021-03-312-65/+18
| | | | | | | | | | | | The uImage.FIT partition parser used to squeeze in FIT partitions in the range where partition editor tools (fdisk and such) expect the regular partition. This is confusing people and tools when adding additional partitions on top of the partition used for OpenWrt's uImage.FIT. Instead of squeezing in the additional partitions, rather start with all uImage.FIT partitions at offset 64. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* kernel: backport 5.13 mtd partitioning changesRafał Miłecki2021-03-2914-8/+591
| | | | | | | | 1. Use upstream accepted NVMEM patches 2. Minor fix for BCM4908 partitioning 3. Support for Linksys firmware partitions on Northstar Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: Move CONFIG_USERIO to generic configHauke Mehrtens2021-03-272-0/+2
| | | | | | | | The CONFIG_USERIO option is unset in multiple target configurations. On the sunxi target it is activated. Move the kernel configuration option to the generic kernel configuration. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: Deactivate CONFIG_VFIO in generic kernel configHauke Mehrtens2021-03-271-0/+1
| | | | | | | | | Instead of deactivating this in every target config, deactivate it once in the generic kernel config. I was asked for this config option in a x86 64 build in OpenWrt 21.02. Fixes: 87046e87e229 ("kernel: add missing kernel config symbol") Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing kernel config symbolKevin Darbyshire-Bryant2021-03-271-0/+1
| | | | | | | | | | | | Bump to 5.10.26 reversed dependencies on IOMMU for CONFIG_VFIO thus malta (at least) prompted for this new symbol. Set it to 'false' in the default config. rockchip & X86 enable it in target specific configs. Thanks to Tony Ambardar for falling over this one Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* kernel: bump 5.10 to 5.10.26Rui Salvaterra2021-03-261-2/+2
| | | | | | | | | | | | | | Automatically refreshed: ath79/patches-5.10/471-mtd-cfi_cmdset_0002-AMD-chip-0x2201-write-words.patch bcm63xx/patches-5.10/143-gpio-fix-device-tree-gpio-hogs-on-dual-role-gpio-pin.patch generic/hack-5.10/204-module_strip.patch Run-tested: ath79 (TL-WDR3600) x86_64 (APU2 - ldir) Tested-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
* kernel: create bootfs partition when parsing on BCM4908Rafał Miłecki2021-03-241-5/+9
| | | | | | | | It's helpful for accessing booting data (DTS, kernel, etc.). It has to be used carefully as CFE's JFFS2 support is quite dumb. It doesn't recognize deleted files and has problems handling 0 inode. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: backport ehci overcurrent patchesÁlvaro Fernández Rojas2021-03-244-28/+108
| | | | | | These patches have been accepted for v5.13. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
* kernel: bump 5.10 to 5.10.25Kevin Darbyshire-Bryant2021-03-241-1/+1
| | | | | | | | | | | Straightforward refresh of patches using update_kernel. Removed (reverse-applicable): bmips/patches-5.10/010-v5.11-net-dsa-implement-a-central-TX-reallocation-procedur.patch Run tested: x86_64 (apu2) Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* kernel: bump 5.10 to 5.10.24Kevin Darbyshire-Bryant2021-03-2412-21/+21
| | | | | | | | Straightforward refresh of patches using update_kernel. Run tested: x86_64 (apu2) Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* kernel: bump 5.4 to 5.4.106John Audia2021-03-211-2/+2
| | | | | | | | | | | | | | | | | | Ran update_kernel.sh in a fresh clone without any existing toolchains. Manually rebased: bcm27xx/950-0993-xhci-quirks-add-link-TRB-quirk-for-VL805.patch layerscape/701-net-0231-enetc-Use-DT-protocol-information-to-set-up-the-port.patch Build system: x86_64 Build-tested: ipq806x/R7800 Run-tested: ipq806x/R7800 No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> [remove accidental whitespace edit] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* kernel: Add missing kernel config optionsHauke Mehrtens2021-03-191-0/+2
| | | | | | These two options are missing when building the x86 target. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: Reorder kernel configuration optionsHauke Mehrtens2021-03-192-12/+9
| | | | | | | | | | | Reorder the options and remove double entries. This was generated by running this: $ ./scripts/kconfig.pl '+' target/linux/generic/config-5.10 /dev/null > target/linux/generic/config-5.10.new $ mv target/linux/generic/config-5.10.new target/linux/generic/config-5.10 $ ./scripts/kconfig.pl '+' target/linux/generic/config-5.4 /dev/null > target/linux/generic/config-5.4.new $ mv target/linux/generic/config-5.4.new target/linux/generic/config-5.4 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add exfat againRosen Penev2021-03-191-0/+6
| | | | | | | | | | | | With kernel 5.10, exfat is out of staging and in tree. Added small hack to make it work with kernel 5.4 as well. Added removed config options for 5.4 to generic config. Signed-off-by: Rosen Penev <rosenp@gmail.com> [Set CONFIG_EXFAT_ config options to default values] Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing config symbols, fix typosTony Ambardar2021-03-192-2/+15
| | | | | | | | | | Update 5.10 generic config to add missing options prompting during builds, when setting CONFIG_ALL_KMODS. Refresh the x86 subtargets to drop symbols added to the generic config. Also fix a typo in 5.4/5.10 generic configs: "CONFIG_CONFIG_KVM_AMD_SEV". Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
* ramips: move spi-nor-add-gd25q512 patch to genericIlya Lipnitskiy2021-03-191-0/+12
| | | | | | | A SPI NOR flash should not be target-specific, so move it to generic in case another platform needs to use it. Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* kernel: move some disabled symbols to genericAleksander Jan Bajkowski2021-03-192-0/+23
| | | | | | Move some disabled symbols found in armvirt target to generic. Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl>
* kernel: backports: mt7530: fix TRGMII mode after resetIlya Lipnitskiy2021-03-164-6/+174
| | | | | | | | | | Backport upstream patch that fixes TRGMII mode now that mt7530 is actually resetting the switch on ramips devices. Patches apply to both Linux 5.4 and 5.10, since TRGMII is broken on both. Fixes: 69551a244292 ("ramips: manage low reset lines") Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* kernel: replace threaded NAPI implementation in 5.10 with upstream backportFelix Fietkau2021-03-1515-395/+639
| | | | | | This uses a kthread per NAPI instance instead of the workqueue approach Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: support new mdio_devres.ko module in 5.10Tony Ambardar2021-03-141-1/+1
| | | | | | | | | Add kmod-mdio-devres package and kernel config symbol, and update related kmod-r8169 and kmod-ixgbe package dependencies. Build tested module dependencies on x86/64 with CONFIG_ALL_KMODS=y. Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
* kernel: add missing config symbols for 5.10Tony Ambardar2021-03-141-0/+6
| | | | | | Update generic config to add missing options that prompt during builds. Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
* kernel: bump 5.10 to 5.10.23Kabuli Chana2021-03-138-101/+15
| | | | | | | | | | | | update kernel to 5.10.23, rebase patches, deleted upstreamed patch: target/linux/generic/backport-5.10/830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch compile / test - mvebu / mamba, rango Signed-off-by: Kabuli Chana <newtownBuild@gmail.com> [refresh again] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* kernel: bump 5.4 to 5.4.105John Audia2021-03-138-241/+5
| | | | | | | | | | | | | | | | | | | | Ran update_kernel.sh in a fresh clone without any existing toolchains. Removed upstreamed generic-backports: 830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch 831-v5.9-usbip-tools-fix-build-error-for-multiple-definition.patch 755-v5.8-net-dsa-add-GRO-support-via-gro_cells.patch Build system: x86_64 Build-tested: ipq806x/R7800 Run-tested: ipq806x/R7800 No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> Tested-by: Curtis Deptuck <curtdept@me.com> [x86/64] [squash patches] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
* kernel: add compatibility with upstream threaded NAPI patchFelix Fietkau2021-03-122-12/+41
| | | | | | | Enable threading if dev->threaded is set. This will be used to bring mt76 back in sync with upstream Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: update 5.10 flow offload patchesFelix Fietkau2021-03-1225-473/+845
| | | | | | Includes PPPoE support and VLAN related fixes Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: add pending mtd patches adding NVMEM supportRafał Miłecki2021-03-1212-4/+502
| | | | | | | | It's meant to provide upstream support for mtd & NVMEM. It's required e.g. for reading MAC address from mtd partition content. It seems to be in a final shape so it's worth testing. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: move mtd ofpart accepted patchRafał Miłecki2021-03-122-0/+0
| | | | | | Move upstream patch to the backport directory. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: add two more missed 5.10 backportsRafał Miłecki2021-03-122-0/+207
| | | | | | Those were added to 5.4 but missed while introducing 5.10 kernel. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: backport Broadcom NVRAM driver cleanupsRafał Miłecki2021-03-1210-0/+740
| | | | | | Refactoring of bcm47xx_nvram driver. It's used by bcm47xx and bcm53xx. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: generic: filter out CONFIG_PLUGIN_HOSTCCIlya Lipnitskiy2021-03-063-4/+3
| | | | | | | | | | | | It appears to be an automatic Kconfig symbol that varies depending on the host platform. There is no need to define it in target configs, so filter it out. Also sort config-filter entries alphabetically. Cc: Adrian Schmutzler <mail@adrianschmutzler.de> Cc: Felix Fietkau <nbd@nbd.name> Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* kernel: bump 5.10 to 5.10.20Rui Salvaterra2021-03-0516-1070/+24
| | | | | | | | | | | | | | | | | | | | | | | | Also add a new kconfig symbol (CONFIG_KCMP) to the generic config, disabling the SYS_kcmp syscall (it was split from CONFIG_CHECKPOINT_RESTORE, which is disabled by default, so the previous behaviour is kept). Removed (upstreamed) patches: 070-net-icmp-pass-zeroed-opts-from-icmp-v6-_ndo_send-bef.patch 081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch 082-wireguard-queueing-get-rid-of-per-peer-ring-buffers.patch 083-wireguard-kconfig-use-arm-chacha-even-with-no-neon.patch 830-v5.12-0002-usb-serial-option-update-interface-mapping-for-ZTE-P685M.patch Manually rebased patches: 313-helios4-dts-status-led-alias.patch 104-powerpc-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch Run tested: ath79 (TL-WDR3600) mvebu (Turris Omnia) Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
* generic: config-5.10: add missing symbolsIlya Lipnitskiy2021-03-051-0/+7
| | | | | | Add symbols missing after latest crypto.mk and WireGuard changes. Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* kernel: backport GCC 10 usbip build fix for 5.4Rui Salvaterra2021-03-051-0/+33
| | | | | | | | | | | | | From the original commit message: "With GCC 10, building usbip triggers error for multiple definition of 'udev_context', in: - libsrc/vhci_driver.c:18 and - libsrc/usbip_host_common.c:27. Declare as extern the definition in libsrc/usbip_host_common.c." Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
* kernel: remove symbols from 5.10 no longer present on upstreamLuis Araneda2021-03-051-2/+0
| | | | | | | | | | REFCOUNT_FULL was removed for linux 5.5: commit fb041bb7c0a9 (locking/refcount: Consolidate implementations of refcount_t) COMMON_CLK_VERSATILE was removed on linux 5.8: commit 5f55f1fb187d (clk: versatile: Fix kconfig dependency on COMMON_CLK_VERSATILE) Signed-off-by: Luis Araneda <luaraneda@gmail.com>
* kernel: b53: update the BCM5365 UID in the fixupDaniel González Cabanelas2021-03-051-2/+2
| | | | | | | | | | The BCM5365 UID was updated in the driver, but we should also update it in the fixup. Fixes: cbcac4fde8ba ("kernel: b53: update the BCM5365 UID") Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com> (Ammend commit description, add Fixes tag) Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
* kernel-5.4: bump to 5.4.102 and refresh patchesJason A. Donenfeld2021-03-0467-550/+30
| | | | | | | | | | | | | | 5.4.102 backported a lot of stuff that our WireGuard backport already did, in addition to other patches we had, so those patches were removed from that part of the series. In the process other patches were refreshed or reworked to account for upstream changes. This commit involved `update_kernel.sh -v -u 5.4`. Cc: John Audia <graysky@archlinux.us> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* kernel: generic: add further missing symbolsPetr Štetiar2021-03-031-0/+24
| | | | | | | | Compile testing i.mx6 with ALL_KMODS=y, PACKAGE_perf=y and bunch of tracing/probing symbols has unveiled bunch of missing config options so add them. Signed-off-by: Petr Štetiar <ynezz@true.cz>
* kernel-5.10: backport chacha non block size optimizationsJason A. Donenfeld2021-03-022-0/+310
| | | | | | | | | | These make a big difference when doing WireGuard with small armv7 routers, and the 5.4 backport already has it. Suggested-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* kernel-5.4: backport fd16931a2f51 for chacha neonJason A. Donenfeld2021-03-02126-329/+336
| | | | | | | | | | | | | | Without this patch, the chacha block counter is not incremented on neon rounds, resulting in incorrect calculations and corrupt packets. This also switches to using `--no-numbered --zero-commit` so that future diffs are smaller. Reported-by: Hans Geiblinger <cybrnook2002@yahoo.com> Reviewed-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* kernel: add the latest mtd patch extending ofpart parserRafał Miłecki2021-03-016-8/+1310
| | | | | | | | | | | | This adds the latest version of ofpart commit. It hopefully 1. Doesn't break compilation 2. Doesn't break partitioning (this time). It's required to implement fixed partitioning with some quirks. It's required by bcm53xx, bcm4908, kirkwood, lantiq and mvebu. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: add support for enabling fit firmware partition parser via cmdlineFelix Fietkau2021-02-281-0/+6
| | | | | | | | | This is useful for dual-boot setups where the loader sets variables depending on the flash boot partition. For example the Linksys E8450 sets mtdparts=master for the first partition and mtdparts=slave for the second one. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* image: extend FIT partition parser for use on eMMC/SDcardDaniel Golle2021-02-283-19/+245
| | | | | | | | | | Introduce a magic GUID_PARTITION_LINUX_FIT_GUID to designate a GPT partition to be interpreted by the FIT partition parser. In that way, sub-partitions for (external-data) uImage.FIT stored directly in a partition can be split, similar like we do for devices with raw flash storage. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* kernel: backport pending fix to select CPU_MIPS64Jason A. Donenfeld2021-02-272-0/+73
| | | | | | | | | | | | | | | | | | | | | The CPU_MIPS64 and CPU_MIPS32 variables are supposed to be able to distinguish broadly between 64-bit and 32-bit MIPS CPUs. However, they weren't selected by the specialty CPUs, Octeon and Loongson, which meant it was possible to hit a weird state of: MIPS=y, CONFIG_64BIT=y, CPU_MIPS64=n This commit rectifies the issue by having CPU_MIPS64 be selected when the missing Octeon or Loongson models are selected. In particular, this affects our octeonplus target. It has been posted to LKML here: https://lore.kernel.org/linux-mips/20210227122605.2680138-1-Jason@zx2c4.com/ Cc: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Cc: David Bauer <mail@david-bauer.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* kernel: move some new symbols available on 5.10 to genericAleksander Jan Bajkowski2021-02-271-0/+7
| | | | | | Move some disabled config options found in sunxi target to generic. Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl>
* kernel: b53: update the BCM5365 UIDDaniel González Cabanelas2021-02-261-2/+2
| | | | | | | | | | | | | | BCM63XX internal PHYs and BCM5365 SoC internal switch are both using the same phy_driver->phy_id, causing conflicts and unnecessary probes. E.g the BCM63XX phy internal IRQ is lost on the first probe. The full BCM5365 UID is 0x00406370. Use an additional byte to mask the BCM5365 UID to avoid duplicate driver phy_id's. This will fix the IRQ issue in internal BCM63XX PHYs and avoid more conflicts in the future. Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
* kernel: 5.4: generic: add missing symbolsIlya Lipnitskiy2021-02-261-0/+13
| | | | Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* kernel: 5.4: fix patches after wireguard backportIlya Lipnitskiy2021-02-263-25/+7
| | | | | | No major problems, just a minor Kconfig fix and a refresh. Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* kernel: 5.4: import wireguard backportJason A. Donenfeld2021-02-26124-0/+63670
| | | | | | | | | | | | | | | | | | Rather than using the clunky, old, slower wireguard-linux-compat out of tree module, this commit does a patch-by-patch backport of upstream's wireguard to 5.4. This specific backport is in widespread use, being part of SUSE's enterprise kernel, Oracle's enterprise kernel, Google's Android kernel, Gentoo's distro kernel, and probably more I've forgotten about. It's definately the "more proper" way of adding wireguard to a kernel than the ugly compat.h hell of the wireguard-linux-compat repo. And most importantly for OpenWRT, it allows using the same module configuration code for 5.10 as for 5.4, with no need for bifurcation. These patches are from the backport tree which is maintained in the open here: https://git.zx2c4.com/wireguard-linux/log/?h=backport-5.4.y I'll be sending PRs to update this as needed. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* kernel: 5.10: wireguard: backport 5.12-rc1 changes in net.gitJason A. Donenfeld2021-02-265-0/+1016
| | | | | | | | | | | | | | These will eventually make their way to 5.10, but it could be a while. https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ee576c47db60432c37e54b1e2b43a8ca6d3a8dca https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=5a0598695634a6bb4126818902dd9140cd9df8b6 https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=99fff5264e7ab06f45b0ad60243475be0a8d0559 https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=8b5553ace83cced775eefd0f3f18b5c6214ccf7a https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=bce2473927af8de12ad131a743f55d69d358c0b9 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> [Rename 082-wireguard-kconfig... to 083-wireguard-kconfig...] Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
* ramips: add support for ZTE MF283+Lech Perczak2021-02-264-0/+266
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ZTE MF283+ is a dual-antenna LTE category 4 router, based on Ralink RT3352 SoC, and built-in ZTE P685M PCIe MiniCard LTE modem. Hardware highlighs: - CPU: MIPS24KEc at 400MHz, - RAM: 64MB DDR2, - Flash: 16MB SPI, - Ethernet: 4 10/100M port switch with VLAN support, - Wireless: Dual-stream 802.11n (RT2860), with two internal antennas, - WWAN: Built-in ZTE P685M modem, with two internal antennas and two switching SMA connectors for external antennas, - FXS: Single ATA, with two connectors marked PHONE1 and PHONE2, internally wired in parallel by 0-Ohm resistors, handled entirely by internal WWAN modem. - USB: internal miniPCIe slot for modem, unpopulated USB A connector on PCB. - SIM slot for the WWAN modem. - UART connector for the console (unpopulated) at 3.3V, pinout: 1: VCC, 2: TXD, 3: RXD, 4: GND, settings: 57600-8-N-1. - LEDs: Power (fixed), WLAN, WWAN (RGB), phone (bicolor, controlled by modem), Signal, 4 link/act LEDs for LAN1-4. - Buttons: WPS, reset. Installation: As the modem is, for most of the time, provided by carriers, there is no possibility to flash through web interface, only built-in FOTA update and TFTP recovery are supported. There are two installation methods: (1) Using serial console and initramfs-kernel - recommended, as it allows you to back up original firmware, or (2) Using TFTP recovery - does not require disassembly. (1) Using serial console: To install OpenWrt, one needs to disassemble the router and flash it via TFTP by using serial console: - Locate unpopulated 4-pin header on the top of the board, near buttons. - Connect UART adapter to the connector. Use 3.3V voltage level only, omit VCC connection. Pin 1 (VCC) is marked by square pad. - Put your initramfs-kernel image in TFTP server directory. - Power-up the device. - Press "1" to load initramfs image to RAM. - Enter IP address chosen for the device (defaults to 192.168.0.1). - Enter TFTP server IP address (defaults to 192.168.0.22). - Enter image filename as put inside TFTP server - something short, like firmware.bin is recommended. - Hit enter to load the image. U-boot will store above values in persistent environment for next installation. - If you ever might want to return to vendor firmware, BACK UP CONTENTS OF YOUR FLASH NOW. For this router, commonly used by mobile networks, plain vendor images are not officially available. To do so, copy contents of each /dev/mtd[0-3], "firmware" - mtd3 being the most important, and copy them over network to your PC. But in case anything goes wrong, PLEASE do back up ALL OF THEM. - From under OpenWrt just booted, load the sysupgrade image to tmpfs, and execute sysupgrade. (2) Using TFTP recovery - Set your host IP to 192.168.0.22 - for example using: sudo ip addr add 192.168.0.22/24 dev <interface> - Set up a TFTP server on your machine - Put the sysupgrade image in TFTP server root named as 'root_uImage' (no quotes), for example using tftpd: cp openwrt-ramips-rt305x-zte_mf283plus-squashfs-sysupgrade.bin /srv/tftp/root_uImage - Power on the router holding BOTH Reset and WPS buttons held for around 5 seconds, until after WWAN and Signal LEDs blink. - Wait for OpenWrt to start booting up, this should take around a minute. Return to original firmware: Here, again there are two possibilities are possible, just like for installation: (1) Using initramfs-kernel image and serial console (2) Using TFTP recovery (1) Using initramfs-kernel image and serial console - Boot OpenWrt initramfs-kernel image via TFTP the same as for installation. - Copy over the backed up "firmware.bin" image of "mtd3" to /tmp/ - Use "mtd write /tmp/firmware.bin /dev/mtd3", where firmware.bin is your backup taken before OpenWrt installation, and /dev/mtd3 is the "firmware" partition. (2) Using TFTP recovery - Follow the same steps as for installation, but replacing 'root_uImage' with firmware backup you took during installation, or by vendor firmware obtained elsewhere. A few quirks of the device, noted from my instance: - Wired and wireless MAC addresses written in flash are the same, despite being in separate locations. - Power LED is hardwired to 3.3V, so there is no status LED per se, and WLAN LED is controlled by WLAN driver, so I had to hijack 3G/4G LED for status - original firmware also does this in bootup. - FXS subsystem and its LED is controlled by the modem, so it work independently of OpenWrt. Tested to work even before OpenWrt booted. I managed to open up modem's shell via ADB, and found from its kernel logs, that FXS and its LED is indeed controlled by modem. - While finding LEDs, I had no GPL source drop from ZTE, so I had to probe for each and every one of them manually, so this might not be complete - it looks like bicolor LED is used for FXS, possibly to support dual-ported variant in other device sharing the PCB. - Flash performance is very low, despite enabling 50MHz clock and fast read command, due to using 4k sectors throughout the target. I decided to keep it at the moment, to avoid breaking existing devices - I identified one potentially affected, should this be limited to under 4MB of Flash. The difference between sysupgrade durations is whopping 3min vs 8min, so this is worth pursuing. In vendor firmware, WWAN LED behaviour is as follows, citing the manual: - red - no registration, - green - 3G, - blue - 4G. Blinking indicates activity, so netdev trigger mapped from wwan0 to blue:wwan looks reasonable at the moment, for full replacement, a script similar to "rssileds" would need to be developed. Behaviour of "Signal LED" in vendor firmware is as follows: - Off - no signal, - Blinking - poor coverage - Solid - good coverage. A few more details on the built-in LTE modem: Modem is not fully supported upstream in Linux - only two CDC ports (DIAG and one for QMI) probe. I sent patches upstream to add required device IDs for full support. The mapping of USB functions is as follows: - CDC (QCDM) - dedicated to comunicating with proprietary Qualcomm tools. - CDC (PCUI) - not supported by upstream 'option' driver yet. Patch submitted upstream. - CDC (Modem) - Exactly the same as above - QMI - A patch is sent upstream to add device ID, with that in place, uqmi did connect successfully, once I selected correct PDP context type for my SIM (IPv4-only, not default IPv4v6). - ADB - self-explanatory, one can access the ADB shell with a device ID added to 51-android.rules like so: SUBSYSTEM!="usb", GOTO="android_usb_rules_end" LABEL="android_usb_rules_begin" SUBSYSTEM=="usb", ATTR{idVendor}=="19d2", ATTR{idProduct}=="1275", ENV{adb_user}="yes" ENV{adb_user}=="yes", MODE="0660", GROUP="plugdev", TAG+="uaccess" LABEL="android_usb_rules_end" While not really needed in OpenWrt, it might come useful if one decides to move the modem to their PC to hack it further, insides seem to be pretty interesting. ADB also works well from within OpenWrt without that. O course it isn't needed for normal operation, so I left it out of DEVICE_PACKAGES. Signed-off-by: Lech Perczak <lech.perczak@gmail.com> [remove kmod-usb-ledtrig-usbport, take merged upstream patches] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
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