newStep.v

RTL/CONFIGS/icesugarnano_config.v

@@ -0,0 +1,35 @@
+// Default femtosoc configuration file for iCESugar-nano (iCE40LP1KCM36)
+
+/************************* Devices **********************************************************************************/
+
+`define NRV_IO_LEDS          // Mapped IO, LEDs D1,D2,D3,D4 (D5 is used to display errors)
+//`define NRV_IO_IRDA          // In IO_LEDS, support for the IRDA (WIP)
+`define NRV_IO_UART          // Mapped IO, virtual UART (USB)
+//`define NRV_IO_SSD1351       // Mapped IO, 128x128x64K OLED screen
+//`define NRV_IO_MAX7219       // Mapped IO, 8x8 led matrix
+`define NRV_MAPPED_SPI_FLASH // SPI flash mapped in address space. Can be used to run code from SPI flash.
+
+/************************* Processor configuration *******************************************************************/
+
+//`define NRV_FEMTORV32_TACHYON       // "Tachyon" (carefully latched for max highfreq). Needs more space (remove MAX7219).
+`define NRV_FEMTORV32_QUARK
+`define NRV_FREQ 12                 // 12 MHz is the default clock frequency in iCESugar-nano. Board max is 72 MHz.
+`define NRV_RESET_ADDR 32'h00820000 // Jump execution to SPI Flash (800000h, +128k(20000h) for FPGA bitstream)
+`define NRV_COUNTER_WIDTH 24        // Number of bits in cycles counter
+//`define NRV_TWOLEVEL_SHIFTER        // Faster shifts
+//`define NRV_NEGATIVE_RESET
+
+/************************* RAM (in bytes, needs to be a multiple of 4)***********************************************/
+
+//`define NRV_RAM 4096 // 4kB, for less LUTs usage, edit spiflash_icesugar_nano.ld too for 4kB RAM
+`define NRV_RAM 6144 // 6kB, default for iCESugar-nano (iCE40LP1KCM36) (cannot do more !)
+
+/************************* Advanced devices configuration ***********************************************************/
+
+`define NRV_RUN_FROM_SPI_FLASH // Do not 'readmemh()' firmware from '.hex' file
+`define NRV_IO_HARDWARE_CONFIG // Comment-out to disable hardware config registers mapped in IO-Space
+                               // (note: firmware libfemtorv32 depends on it)
+
+/********************************************************************************************************************/
+
+`define NRV_CONFIGURED