multiple uarts

  1. markmcb

    Enabling UARTs on RK3566/Radxa Zero 3E

    So I'm wanting to use the Zero 3E's UARTs to connect to the consoles of a few nearby devices. I can get to: dmesg | grep uart uart0: <16750 or compatible> mem 0xfe660000-0xfe6600ff irq 66 on ofwbus0 uart0: console (1500000,n,8,1) uart1: <16750 or compatible> mem 0xfe670000-0xfe6700ff irq 67 on...
    • markmcb
    • Thread
    • embedded multiple uarts radxa rk3566 rockchip rockchip rk3566 uart
    • Replies: 14
    • Forum: Embedded
  2. A

    RPI4 additional serial ports do not work

    I'm trying to connect a GPS module to my RPI4B via an additional serial port, but it doesn't work for me. [root@rhino /]# uname -a FreeBSD rhino.xxx 13.0-STABLE FreeBSD 13.0-STABLE #0 stable/13-n249182-6f840e49af37: Sun Jan 30 01:48:22 +04 2022...
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