Register ttyS0 and ttyATH1 as Linux console on ELECOM WAB-I1750-PS.
ttyS0 provides "SERVICE" port and internal pin header for debugging and
recoverying by maker, ttyATH1 provides "SERIAL" port for configuration
by users.
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Cleanup uart1-related node on ELECOM WAB-I1750-PS and enable it for
"SERIAL" port on the case.
"SERIAL" port can be used for OpenWrt console by adding the following
line to /etc/inittab and rebooting:
ttyATH1::askfirst:/usr/libexec/login.sh
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
ELECOM WAB-I1750-PS is a 2.4/5 GHz band 11ac (Wi-Fi 5) access point,
based on QCA9558.
Specification:
- SoC : Qualcomm Atheros QCA9558
- RAM : DDR2 128 MiB (2x Winbond W9751G6KB251)
- Flash : SPI-NOR 16 MiB (Macronix MX25L12835FMI-10G)
- WLAN : 2.4/5 GHz 3T3R
- 2.4 GHz : Qualcomm Atheros QCA9558 (SoC)
- 5 GHz : Qualcomm Atheros QCA9880
- Ethernet : 2x 10/100/1000 Mbps
- phy ("PD") : Atheros AR8035
- phy ("PSE") : Atheros AR8033
- LEDs/keys (GPIO) : 3x/3x
- UART : 2x RJ-45 port
- "SERVICE" : TTL (3.3V)
- port : ttyS0
- assignment : 1:3.3V, 2:GND, 3:TX, 4:RX
- settings : 115200n8
- note : no compatibility with "Cisco console cable"
- "SERIAL" : RS232C (+-12V)
- port : ?
- assignment : 1:NC , 2:NC , 3:TXD, 4:GND,
5:GND, 6:RXD, 7:NC , 8:NC
- settings : 115200n8
- note : compatible with "Cisco console cable"
- Buzzer : 1x GPIO-controlled
- USB : 1x USB 2.0 Type-A
- Power : DC jack or PoE
- DC jack : 12 VDC, 1.04 A (device only, rating)
- PoE : 802.3af/at, 48 VDC, 0.26 A (device only, rating)
- note : supports 802.3af supply on PSE (downstream) port
when powered by DC adapter or 802.3at PoE
Flash instruction using factory.bin image:
1. Boot WAB-I1750-PS without no upstream connection (or PoE connection
without DHCP)
2. Access to the WebUI ("http://192.168.3.1") on the device and open
firmware update page
("ツールボックス" -> "ファームウェア更新")
3. Select the OpenWrt factory.bin image and click update
("アップデート") button
4. Wait ~120 seconds to complete flashing
Revert to OEM firmware:
1. Download the latest OEM firmware
2. Remove 128 bytes(0x80) header from firmware image
3. Decode by xor with a pattern "8844a2d168b45a2d" (hex val)
4. Upload the decoded firmware to the device
5. Flash to "firmware" partition by mtd command
6. Reboot
Notes:
- To use the "SERVICE" port, the connection of 3.3V line is also
required to enable console output.
The uart line of "SERVICE" is branched out from the internal pin
header with 74HC126D and 3.3V line is connected to OE pin on it.
- "SERIAL" port is provided by HS UART on QCA9558 SoC that has
compatibility with qca,ar9330-uart, but QCA955x SoC's is not supported
on Linux Kernel and OpenWrt.
- To supply 802.3af PoE on "PSE" port when powered by DC adapter, 12 VDC
3.5 A adapter is recommended. (official: WAB-EX-ADP1)
MAC addresses:
Ethernet (PD, PSE): 00:90:FE:xx:xx:0A (Config, ethaddr (text))
2.4GHz : 00:90:FE:xx:xx:0A (Config, ethaddr (text))
5GHz : 00:90:FE:xx:xx:0B
[original work]
Signed-off-by: Yanase Yuki <dev@zpc.st>
[update for NVMEM and others]
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
