soc: remove cpu_boot_file argument

make.py

@@ -88,6 +88,8 @@ if __name__ == "__main__":
 	memory_regions = soc.get_memory_regions()
 	csr_regions = soc.get_csr_regions()
 
+	bios_file = "software/bios/bios.bin"
+
 	# decode actions
 	action_list = ["clean", "build-bitstream", "build-headers", "build-csr-csv", "build-bios",
 		"load-bitstream", "flash-bitstream", "flash-bios", "all"]
@@ -175,7 +177,7 @@ CPU type:  {}
 
 	if actions["build-bitstream"]:
 		if soc.with_integrated_rom:
-			with open(soc.cpu_boot_file, "rb") as boot_file:
+			with open(bios_file, "rb") as boot_file:
 				boot_data = []
 				while True:
 					w = boot_file.read(4)
@@ -209,4 +211,4 @@ CPU type:  {}
 	if actions["flash-bios"]:
 		prog = platform.create_programmer()
 		prog.set_flash_proxy_dir(args.flash_proxy_dir)
-		prog.flash(soc.cpu_reset_address, soc.cpu_boot_file)
+		prog.flash(soc.cpu_reset_address, bios_file)

misoclib/soc/__init__.py

@@ -34,7 +34,6 @@ class SoC(Module):
 	}
 	def __init__(self, platform, clk_freq,
 				cpu_type="lm32", cpu_reset_address=0x00000000,
-				cpu_boot_file="software/bios/bios.bin",
 				with_integrated_rom=False, rom_size=0x8000,
 				with_integrated_sram=True, sram_size=4096,
 				with_integrated_main_ram=False, main_ram_size=64*1024,
@@ -50,7 +49,6 @@ class SoC(Module):
 			self.cpu_reset_address = 0
 		else:
 			self.cpu_reset_address = cpu_reset_address
-		self.cpu_boot_file = cpu_boot_file
 
 		self.with_integrated_rom = with_integrated_rom
 		self.rom_size = rom_size