diff --git a/artiq/coredevice/comm_generic.py b/artiq/coredevice/comm_generic.py index 76548c992..7af841a4e 100644 --- a/artiq/coredevice/comm_generic.py +++ b/artiq/coredevice/comm_generic.py @@ -108,12 +108,7 @@ class CommGeneric: if runtime_id != "AROR": raise UnsupportedDevice("Unsupported runtime ID: {}" .format(runtime_id)) - ref_freq_i, ref_freq_fn, ref_freq_fd = struct.unpack( - ">lBB", self._read(6)) - ref_freq = (ref_freq_i + Fraction(ref_freq_fn, ref_freq_fd))*units.Hz - ref_period = 1/ref_freq - logger.debug("environment ref_period: %s", ref_period) - return Environment(ref_period) + return Environment() def switch_clock(self, external): self._write(struct.pack( @@ -140,8 +135,6 @@ class CommGeneric: self._write(struct.pack(">B", ord(c))) logger.debug("running kernel: %s", kname) - - def _receive_rpc_values(self): r = [] while True: diff --git a/artiq/coredevice/core.py b/artiq/coredevice/core.py index 2cceb4a98..2afc898ad 100644 --- a/artiq/coredevice/core.py +++ b/artiq/coredevice/core.py @@ -47,19 +47,15 @@ def _no_debug_unparse(label, node): class Core(AutoDB): class DBKeys: comm = Device() - external_clock = Parameter(None) + ref_period = Argument() + external_clock = Argument(False) def build(self): self.runtime_env = self.comm.get_runtime_env() self.core = self self.comm.core = self - - if self.external_clock is None: - self.ref_period = self.runtime_env.internal_ref_period - self.comm.switch_clock(False) - else: - self.ref_period = 1/self.external_clock - self.comm.switch_clock(True) + + self.comm.switch_clock(self.external_clock) self.initial_time = int64(self.runtime_env.warmup_time/self.ref_period) def transform_stack(self, func_def, rpc_map, exception_map, diff --git a/artiq/coredevice/runtime.py b/artiq/coredevice/runtime.py index 15cfff05c..28e755642 100644 --- a/artiq/coredevice/runtime.py +++ b/artiq/coredevice/runtime.py @@ -190,9 +190,8 @@ def _debug_dump_obj(obj): class Environment(LinkInterface): - def __init__(self, internal_ref_period): + def __init__(self): self.cpu_type = "or1k" - self.internal_ref_period = internal_ref_period # allow 1ms for all initial DDS programming self.warmup_time = 1*units.ms @@ -203,5 +202,4 @@ class Environment(LinkInterface): return obj def __repr__(self): - return "".format(self.cpu_type, - str(1/self.ref_period)) + return "".format(self.cpu_type) diff --git a/artiq/gateware/rtio/core.py b/artiq/gateware/rtio/core.py index 16c157e0c..66abde0ee 100644 --- a/artiq/gateware/rtio/core.py +++ b/artiq/gateware/rtio/core.py @@ -1,5 +1,3 @@ -from fractions import Fraction - from migen.fhdl.std import * from migen.bank.description import * from migen.genlib.misc import optree @@ -255,13 +253,6 @@ class Channel: self.ififo_depth = ififo_depth -class _CSRs(AutoCSR): - def __init__(self): - self.frequency_i = CSRStatus(32) - self.frequency_fn = CSRStatus(8) - self.frequency_fd = CSRStatus(8) - - class _KernelCSRs(AutoCSR): def __init__(self, chan_sel_width, data_width, address_width, full_ts_width): @@ -300,7 +291,6 @@ class RTIO(Module): for c in channels) # CSRs - self.csrs = _CSRs() self.kcsrs = _KernelCSRs(bits_for(len(channels)-1), data_width, address_width, counter_width + fine_ts_width) @@ -405,18 +395,5 @@ class RTIO(Module): << fine_ts_width) ) - # Frequency CSRs - clk_freq = Fraction(clk_freq).limit_denominator(255) - clk_freq_i = int(clk_freq) - clk_freq_f = clk_freq - clk_freq_i - self.comb += [ - self.csrs.frequency_i.status.eq(clk_freq_i), - self.csrs.frequency_fn.status.eq(clk_freq_f.numerator), - self.csrs.frequency_fd.status.eq(clk_freq_f.denominator) - ] - def get_csrs(self): - return self.csrs.get_csrs() - - def get_kernel_csrs(self): return self.kcsrs.get_csrs() diff --git a/benchmarks/ddb.pyon b/benchmarks/ddb.pyon index 3842a5e18..6217b00c7 100644 --- a/benchmarks/ddb.pyon +++ b/benchmarks/ddb.pyon @@ -9,7 +9,7 @@ "type": "local", "module": "artiq.coredevice.core", "class": "Core", - "arguments": {} + "arguments": {"ref_period": Quantity(Fraction(8, 1000000000), "s")} }, "pmt0": { diff --git a/examples/master/ddb.pyon b/examples/master/ddb.pyon index b602d367a..a5855969e 100644 --- a/examples/master/ddb.pyon +++ b/examples/master/ddb.pyon @@ -9,7 +9,7 @@ "type": "local", "module": "artiq.coredevice.core", "class": "Core", - "arguments": {} + "arguments": {"ref_period": Quantity(Fraction(8, 1000000000), "s")} }, "pmt0": { diff --git a/soc/runtime/comm_serial.c b/soc/runtime/comm_serial.c index fc4c7d841..9822b2316 100644 --- a/soc/runtime/comm_serial.c +++ b/soc/runtime/comm_serial.c @@ -178,16 +178,6 @@ void comm_serve(object_loader load_object, kernel_runner run_kernel) if(msgtype == MSGTYPE_REQUEST_IDENT) { send_char(MSGTYPE_IDENT); send_int(0x41524f52); /* "AROR" - ARTIQ runtime on OpenRISC */ -#ifdef ARTIQ_AMP -#warning TODO - send_int(125*1000*1000); - send_char(0); - send_char(1); -#else - send_int(rtio_frequency_i_read()); - send_char(rtio_frequency_fn_read()); - send_char(rtio_frequency_fd_read()); -#endif } else if(msgtype == MSGTYPE_LOAD_OBJECT) receive_and_load_object(load_object); else if(msgtype == MSGTYPE_RUN_KERNEL) diff --git a/soc/targets/artiq_kc705.py b/soc/targets/artiq_kc705.py index 9d3ee331c..07db91123 100644 --- a/soc/targets/artiq_kc705.py +++ b/soc/targets/artiq_kc705.py @@ -98,7 +98,7 @@ class UP(_Peripherals): def __init__(self, *args, **kwargs): _Peripherals.__init__(self, *args, **kwargs) - rtio_csrs = self.rtio.get_csrs() + self.rtio.get_kernel_csrs() + rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.add_wb_slave(mem_decoder(self.mem_map["rtio"]), self.rtiowb.bus) self.add_csr_region("rtio", self.mem_map["rtio"] + 0x80000000, 32, rtio_csrs) @@ -127,7 +127,7 @@ class AMP(_Peripherals): 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) - rtio_csrs = self.rtio.get_kernel_csrs() + rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["rtio"]), self.rtiowb.bus) self.add_csr_region("rtio", self.mem_map["rtio"] + 0x80000000, 32, rtio_csrs) diff --git a/soc/targets/artiq_pipistrello.py b/soc/targets/artiq_pipistrello.py index c6b7b6597..4f67157c1 100644 --- a/soc/targets/artiq_pipistrello.py +++ b/soc/targets/artiq_pipistrello.py @@ -125,7 +125,7 @@ class UP(_Peripherals): def __init__(self, platform, **kwargs): _Peripherals.__init__(self, platform, **kwargs) - rtio_csrs = self.rtio.get_csrs() + self.rtio.get_kernel_csrs() + rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.add_wb_slave(mem_decoder(self.mem_map["rtio"]), self.rtiowb.bus) self.add_csr_region("rtio", self.mem_map["rtio"] + 0x80000000, 32, @@ -158,7 +158,7 @@ class AMP(_Peripherals): self.add_memory_region("mailbox", self.mem_map["mailbox"] + 0x80000000, 4) - rtio_csrs = self.rtio.get_kernel_csrs() + rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.kernel_cpu.add_wb_slave(mem_decoder(self.mem_map["rtio"]), self.rtiowb.bus) diff --git a/soc/targets/artiq_ppro.py b/soc/targets/artiq_ppro.py index f9c8493f4..8b1acafc4 100644 --- a/soc/targets/artiq_ppro.py +++ b/soc/targets/artiq_ppro.py @@ -112,7 +112,7 @@ class UP(BaseSoC): clk_freq=125000000, counter_width=32) - rtio_csrs = self.rtio.get_csrs() + self.rtio.get_kernel_csrs() + rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.add_wb_slave(mem_decoder(self.mem_map["rtio"]), self.rtiowb.bus) self.add_csr_region("rtio", self.mem_map["rtio"] + 0x80000000,