January 5, 2021

EBAZ4205 Bitcoin miner board - UART

The Zynq-XC7Z010 has two uarts inside.

The first of the two is provided for by a header on the board. The schematic shows the pins the header is routed to:

Rx  F15  MIO_25
Tx  A16  MIO_24
The pin names (A16,F15) must be translated from the schematic to the signal names by using the pinout document.

The base addesses are:

0xe0000000
0xe0001000
And from the U-Boot sources (in the topic_miami_defconfig file):
UART_CLOCK=100000000
Note that "topic" is a manufacturer offering Zynq boards.
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Tom's Computer Info / tom@mmto.org