36 lines
2.1 KiB
Verilog
36 lines
2.1 KiB
Verilog
// Default femtosoc configuration file for iCESugar-nano (iCE40LP1KCM36)
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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_IRDA // In IO_LEDS, support for the IRDA (WIP)
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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 to run code from SPI flash.
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/************************* Processor configuration *******************************************************************/
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//`define NRV_FEMTORV32_TACHYON // "Tachyon" (carefully latched for max highfreq). Needs more space (remove MAX7219).
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`define NRV_FEMTORV32_QUARK
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`define NRV_FREQ 12 // 12 MHz is the default clock frequency in iCESugar-nano. Board max is 72 MHz.
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`define NRV_RESET_ADDR 32'h00820000 // Jump execution to SPI Flash (800000h, +128k(20000h) for FPGA bitstream)
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`define NRV_COUNTER_WIDTH 24 // Number of bits in cycles counter
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//`define NRV_TWOLEVEL_SHIFTER // Faster shifts
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//`define NRV_NEGATIVE_RESET
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/************************* RAM (in bytes, needs to be a multiple of 4)***********************************************/
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//`define NRV_RAM 4096 // 4kB, for less LUTs usage, edit spiflash_icesugar_nano.ld too for 4kB RAM
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`define NRV_RAM 6144 // 6kB, default for iCESugar-nano (iCE40LP1KCM36) (cannot do more !)
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/************************* Advanced devices configuration ***********************************************************/
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`define NRV_RUN_FROM_SPI_FLASH // Do not 'readmemh()' firmware from '.hex' file
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`define NRV_IO_HARDWARE_CONFIG // Comment-out to disable hardware config registers mapped in IO-Space
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// (note: firmware libfemtorv32 depends on it)
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/********************************************************************************************************************/
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`define NRV_CONFIGURED
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