diff --git a/litex_boards/targets/efinix_titanium_ti60_f225_dev_kit.py b/litex_boards/targets/efinix_titanium_ti60_f225_dev_kit.py index 37104ee..dab549c 100755 --- a/litex_boards/targets/efinix_titanium_ti60_f225_dev_kit.py +++ b/litex_boards/targets/efinix_titanium_ti60_f225_dev_kit.py @@ -17,6 +17,7 @@ from litex.soc.cores.clock import * from litex.soc.integration.soc_core import * from litex.soc.integration.builder import * from litex.soc.integration.soc import SoCRegion +from litex.soc.interconnect import wishbone from litex.soc.cores.hyperbus import HyperRAM @@ -72,8 +73,28 @@ class BaseSoC(SoCCore): # HyperRAM --------------------------------------------------------------------------------- if with_hyperram: - self.hyperram = HyperRAM(platform.request("hyperram"), latency=7, sys_clk_freq=sys_clk_freq) - self.bus.add_slave("main_ram", slave=self.hyperram.bus, region=SoCRegion(origin=0x40000000, size=32*1024*1024)) + # HyperRAM Parameters. + hyperram_device = "W958D6NW" + hyperram_size = 32*1024*1024 + hyperram_cache_size = 16*1024 + + # HyperRAM Bus/Slave Interface. + hyperram_bus = wishbone.Interface(data_width=32, address_width=32, addressing="word") + self.bus.add_slave(name="main_ram", slave=hyperram_bus, region=SoCRegion(origin=0x40000000, size=hyperram_size)) + + # HyperRAM L2 Cache. + hyperram_cache = wishbone.Cache( + cachesize = hyperram_cache_size//4, + master = hyperram_bus, + slave = wishbone.Interface(data_width=32, address_width=32, addressing="word") + ) + hyperram_cache = FullMemoryWE()(hyperram_cache) + self.hyperram_cache = hyperram_cache + self.add_config("L2_SIZE", hyperram_cache_size) + + # HyperRAM Core. + self.hyperram = HyperRAM(platform.request("hyperram"), latency=7, latency_mode="variable", sys_clk_freq=sys_clk_freq) + self.comb += self.hyperram_cache.slave.connect(self.hyperram.bus) # Ethernet / Etherbone --------------------------------------------------------------------- if with_ethernet or with_etherbone: