litex/misoclib/com/liteeth/example_designs/test/test_regs.py

def main(wb):
	wb.open()
	regs = wb.regs
	###
	print("sysid     : 0x{:04x}".format(regs.identifier_sysid.read()))
	print("revision  : 0x{:04x}".format(regs.identifier_revision.read()))
	print("frequency : 0x{:04x}MHz".format(int(regs.identifier_frequency.read()/1000000)))
	SRAM_BASE = 0x02000000
	wb.write(SRAM_BASE, [i for i in range(64)])
	print(wb.read(SRAM_BASE, 64))
	###
	wb.close()