39 lines
2.3 KiB
Verilog
39 lines
2.3 KiB
Verilog
// Default femtosoc configuration file for IceStick
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/************************* Devices **********************************************************************************/
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`define NRV_IO_LEDS // Mapped IO, LEDs D1,D2,D3,D4 (D5 is used to display errors)
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//`define NRV_IO_UART // Mapped IO, virtual UART (USB)
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//`define NRV_IO_SSD1351 // Mapped IO, 128x128x64K OLed screen
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//`define NRV_IO_MAX7219 // Mapped IO, 8x8 led matrix
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//`define NRV_MAPPED_SPI_FLASH // SPI flash mapped in address space. Can be used with MINIRV32 to run code from SPI flash.
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/************************* Frequency ********************************************************************************/
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`define NRV_FREQ 50 // Frequency in MHz. Recomm: 50 MHz (FOMU: 16MHz) Overclocking: 80-100 MHz (HX1K, ECP5)
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/************************* RAM (in bytes, needs to be a multiple of 4)***********************************************/
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`define NRV_RAM 6144 // default for ICESTICK (cannot do more !)
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//`define NRV_RAM 1024 // small ICESTICK config (to further save LUTs if need be)
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/************************* Processor configuration ******************************************************************/
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//`define NRV_CSR // Uncomment if using something below (counters,...)
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//`define NRV_COUNTERS // Uncomment for instr and cycle counters (won't fit on the ICEStick)
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//`define NRV_COUNTERS_64 // ... and uncomment this one as well if you want 64-bit counters
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`define NRV_TWOSTAGE_SHIFTER // if not RV32M, comment-out if running out of LUTs (at the expense of slower shifts)
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//`define NRV_LATCH_ALU // Uncomment to latch all ALU ops (reduces critical path)
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/************************* Advanced processor configuration *********************************************************/
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`define NRV_RESET_ADDR 0 // The address the processor jumps to on reset
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//`define NRV_RESET_ADDR 32'h00800000 // If using NRV_MINIRV32 and mapped SPI Flash, you may want to jump to
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// a bootloader or firmware stored there.
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`define NRV_IO_HARDWARE_CONFIG // Comment-out to disable hardware config registers mapped in IO-Space
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// (only if you use your own firmware, libfemtorv32 depends on it)
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/******************************************************************************************************************/
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