forked from M-Labs/artiq
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
import os
|
|
|
|
from misoc.integration.soc_core import mem_decoder
|
|
from misoc.cores import timer
|
|
from misoc.interconnect import wishbone
|
|
from misoc.integration.builder import *
|
|
|
|
from artiq.gateware import amp
|
|
from artiq import __artiq_dir__ as artiq_dir
|
|
|
|
|
|
class AMPSoC:
|
|
"""Contains timer, kernel CPU and mailbox for ARTIQ SoCs.
|
|
|
|
Users must disable the timer from the platform SoC and provide
|
|
a "mailbox" entry in the memory map.
|
|
"""
|
|
def __init__(self):
|
|
if not hasattr(self, "cpu"):
|
|
raise ValueError("Platform SoC must be initialized first")
|
|
if hasattr(self, "timer0"):
|
|
raise ValueError("Timer already exists. "
|
|
"Initialize platform SoC using with_timer=False")
|
|
|
|
self.submodules.timer0 = timer.Timer(width=64)
|
|
|
|
self.submodules.kernel_cpu = amp.KernelCPU(self.platform)
|
|
self.add_cpulevel_sdram_if(self.kernel_cpu.wb_sdram)
|
|
|
|
self.submodules.mailbox = amp.Mailbox()
|
|
self.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
|
|
self.mailbox.i1)
|
|
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
|
|
self.mailbox.i2)
|
|
self.add_memory_region("mailbox",
|
|
self.mem_map["mailbox"] | 0x80000000, 4)
|
|
|
|
self.submodules.timer_kernel = timer.Timer()
|
|
self.register_kernel_cpu_csrdevice("timer_kernel")
|
|
|
|
def register_kernel_cpu_csrdevice(self, name):
|
|
# make sure the device is not getting connected to the comms-CPU already
|
|
assert self.csr_map[name] is None
|
|
|
|
csrs = getattr(self, name).get_csrs()
|
|
bank = wishbone.CSRBank(csrs)
|
|
self.submodules += bank
|
|
self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map[name]),
|
|
bank.bus)
|
|
self.add_csr_region(name,
|
|
self.mem_map[name] | 0x80000000, 32,
|
|
csrs)
|
|
|
|
|
|
def build_artiq_soc(soc, argdict):
|
|
builder = Builder(soc, **argdict)
|
|
builder.add_extra_software_packages()
|
|
builder.add_software_package("liblwip", os.path.join(artiq_dir, "runtime",
|
|
"liblwip"))
|
|
builder.add_software_package("runtime", os.path.join(artiq_dir, "runtime"))
|
|
builder.build()
|