About change debug uart baud to 115200

#1

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I changed the uEnv.txt.uart0 1500000 to uart1 115200。
uart 0 and uart 1 both no-working with baud 115200.
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you can see error format
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I‘m sure the cable work well with baud 115200

Can you help me with this question?’

#2

在1500000波特率时候UART0是OK的

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目前我的问题是为什么UART0 和UART1的115200波特率不可以？
UART1的1500000波特率不可以？