The Loongson 3 I/O controllers include a UART controller, SPI controller, I2C and GPIO registers. These I/O controllers share an AXI port, and CPU requests are sent to the corresponding devices after address decoding.
The Loongson 3 I/O controllers include a UART controller, SPI controller, I2C and GPIO registers. These I/O controllers share an AXI port, and CPU requests are sent to the corresponding devices after address decoding.