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platform: andes/ae350: Use fdt serial driver

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Andes UART is compatible with uart8250 driver. We can use
fdt_serial_init() as platform console init hook.

dts example:

  serial0: serial@f0300000 {
    compatible = "andestech,uart16550", "ns16550a";
    reg = <0x00000000 0xf0300000 0x00000000 0x00001000>;
    interrupts = <9 4>;
    interrupt-parent = <&plic0>;
    clock-frequency = <19660800>;
    current-speed = <38400>;
    reg-shift = <2>;
    reg-offset = <32>;
    reg-io-width = <4>;
    no-loopback-test = <1>;
  };

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Yu Chien Peter Lin
2022-10-14 08:32:45 +08:00
committed by Anup Patel
parent 9899b59beb
commit 88f58a3694
3 changed files with 4 additions and 22 deletions
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3
platform/andes/ae350/Kconfig
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@@ -4,7 +4,8 @@ config PLATFORM_ANDES_AE350
bool
select FDT
select IRQCHIP_PLIC
select SERIAL_UART8250
select FDT_SERIAL
select FDT_SERIAL_UART8250
default y
if PLATFORM_ANDES_AE350