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Line 112... |
// remove comments to restore use to the old version with 8 data bit interface
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// remove comments to restore use to the old version with 8 data bit interface
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// in new mode (32bit bus), the wb_sel_i signal is used to pus data in correct place
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// in new mode (32bit bus), the wb_sel_i signal is used to pus data in correct place
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// also, in 8-bit version there'll be no debugging features included
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// also, in 8-bit version there'll be no debugging features included
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// `define DATA_BUS_WIDTH_8
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// `define DATA_BUS_WIDTH_8
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`define BIG_BYTE_ENDIAN // Defines endian
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`ifdef DATA_BUS_WIDTH_8
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`ifdef DATA_BUS_WIDTH_8
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`define UART_ADDR_WIDTH 3
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`define UART_ADDR_WIDTH 3
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`define UART_DATA_WIDTH 8
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`define UART_DATA_WIDTH 8
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`else
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`else
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`define UART_ADDR_WIDTH 5
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`define UART_ADDR_WIDTH 5
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`define UART_DATA_WIDTH 32
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`define UART_DATA_WIDTH 32
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`endif
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`endif
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// Uncomment this if you want your UART to have
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// 16xBaudrate output port.
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// If defined, the enable signal will be used to drive baudrate_o signal
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// It's frequency is 16xbaudrate
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// `define UART_HAS_BAUDRATE_OUTPUT
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// Register addresses
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// Register addresses
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`define UART_REG_RB `UART_ADDR_WIDTH'd0 // receiver buffer
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`define UART_REG_RB `UART_ADDR_WIDTH'd0 // receiver buffer
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`define UART_REG_TR `UART_ADDR_WIDTH'd0 // transmitter
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`define UART_REG_TR `UART_ADDR_WIDTH'd0 // transmitter
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`define UART_REG_IE `UART_ADDR_WIDTH'd1 // Interrupt enable
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`define UART_REG_IE `UART_ADDR_WIDTH'd1 // Interrupt enable
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`define UART_REG_II `UART_ADDR_WIDTH'd2 // Interrupt identification
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`define UART_REG_II `UART_ADDR_WIDTH'd2 // Interrupt identification
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