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Specifications:
SOC: MT7620AN + MT7612EN
RAM: 128 MiB DDR2
Flash: 16 MiB (Winbond W25Q28FVFG)
WLAN: 2.4G + 5G
LAN: LAN ports *2
WAN: WAN port *1
USB: USB2.0 *1
SD Card: MicroSD *1
Buttons: Reset *1
LEDs: ethernet *3, system, usb, wlan2g, wlan5g
MAC Address:
use address source
label 54:36:9b:xx:xx:ac lan
lan 54:36:9b:xx:xx:ac factory.0x0028
wan 54:36:9b:xx:xx:ad factory.0x002e
wlan2g 54:36:9b:xx:xx:ae factory.0x0004
wlan5g 54:36:9b:xx:xx:af factory.0x8004
Installation:
1. Apply initramfs-kernel.bin in stock firmware Web UI.
2. Install sysupgrade.bin on OpenWrt and do not retain any configuration.
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
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Add UIMAGE_NAME and UIMAGE_MAGIC to allow users to directly install
initramfs-kernel.bin from the stock firmware Web UI. At the same time,
this change makes it possible to boot OpenWrt with the official u-boot.
Notice:
Since the stock firmware is based on OpenWrt and the configuration
will be retained by default during the upgrade process, so we must use
initramfs-kernel.bin to do a initial installation. After the system
restarts, install sysupgrade.bin and do not retain any configuration.
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
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Serge Vasilugin reports:
To improve mt7620 built-in wifi performance some changes:
1. Correct BW20/BW40 switching (see comments with mark (1))
2. Correct TX_SW_CFG1 MAC reg from v3 of vendor driver see
https://gitlab.com/dm38/padavan-ng/-/blob/master/trunk/proprietary/rt_wifi/rtpci/3.0.X.X/mt76x2/chips/rt6352.c#L531
3. Set bbp66 for all chains.
4. US_CYC_CNT init based on Programming guide, default value was 33 (pci),
set chipset bus clock with fallback to cpu clock/3.
5. Don't overwrite default values for mt7620.
6. Correct some typos.
7. Add support for external LNA:
a) RF and BBP regs never be corrected for this mode
b) eLNA is driven the same way as ePA with mt7620's pin PA
but vendor driver explicitly pin PA to gpio mode (for forrect calibration?)
so I'm not sure that request for pa_pin in dts-file will be enough
First 5 changes (really 2) improve performance for boards w/o eLNA/ePA.
Changes 7 add support for eLNA
Configuration w/o eLAN/ePA and with eLNA show results
tx/rx (from router point of view) for each stream:
35-40/30-35 Mbps for HT20
65-70/60-65 Mbps for HT40
Yes. Max results for 2T2R client is 140-145/135-140
with peaks 160/150, It correspond to mediatek driver results.
Boards with ePA untested.
Reported-by: Serge Vasilugin <vasilugin@yandex.ru>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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The following devices have a Winbond W25Q256FV flash chip,
which does not have the RESET pin enabled by default,
and otherwise would require setting a bit in a status register.
Before moving to Linux 5.4, we had the patch:
0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch
which kept specific flash chips with explicit 3-byte and 4-byte address modes
to stay in 3-byte address mode while idle (after an erase or write)
by using a custom flag SPI_NOR_4B_READ_OP that was part of the patch.
this was obsoleted by the patch:
481-mtd-spi-nor-rework-broken-flash-reset-support.patch
which uses the newer upstream flag SNOR_F_BROKEN_RESET
for devices with a flash chip that cannot be hardware reset with RESET pin
and therefore must be left in 3-byte address mode when idle.
The new patch requires that the DTS of affected devices
have the property "broken-flash-reset", which was not yet added for most of them.
This commit adds the property for remaining affected devices in ramips target,
specifically because of the flash chip model.
However, it is possible that there are other devices
where the flash chip uses an explicit 4-byte address mode
and the RESET pin is not connected to the SOC on the board,
and those DTS would also need this property.
Ref: 22d982ea0033 ("ramips: add support for switching between 3-byte and 4-byte addressing")
Ref: dfa521f12953 ("generic: spi-nor: rework broken-flash-reset")
Signed-off-by: Michael Pratt <mcpratt@pm.me>
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Define nvmem-cells and convert mtd-mac-address to nvmem implementation.
The conversion is done with an automated script.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
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Without this definition ethernet led can work as usual, but it's better to
re-add it. Relying on default values may cause uncontrollable factors.
Fixes: 882a6116d3d6 ("ramips: improve pinctrl for Youku YK-L1")
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
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Device specifications:
* Model: Youku YK-L1/L1c
* CPU: MT7620A
* RAM: 128 MiB
* Flash: 32 MiB (YK-L1)/ 16 MiB (YK-L1c)
* LAN: 2* 10M/100M Ports
* WAN: 1* 10M/100M Port
* USB: 1* USB2.0
* SD: 1* MicroSD socket
* UART: 1* TTL, Baudrate 57600
Descriptions:
Previous supported device YOUKU yk1 is actually Youku YK-L1. Though they look
really different, the only hardware difference between the two models is flash
size, YK-L1 has 32 MiB flash but YK-L1c has 16MiB. It seems that YK-L1c can
compatible with YK-L1's firmware but it's better to split it to different models.
It is easy to identify the models by looking at the label on the bottom of the
device. The label has the model number "YK-L1" or "YK-L1c". Due to different flash
sizes, YK-L1c that using previous YK-L1's firmware needs to apply "force update"
to install compatible firmware, so please backup config file before system upgrade.
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
[use more specific name for DTSI]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
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