M-Labs/artiq
2
0
Fork 2
mirror of https://github.com/m-labs/artiq.git synced 2024-12-25 03:08:27 +08:00
Code Issues Projects Releases Wiki Activity

pipistrello: tig _all_ async paths, add timing interference report

Browse Source
This commit is contained in:
Robert Jördens 2015-04-14 18:12:46 -06:00
parent 6a0e97f161
commit 70916aa0c5
1 changed files with 16 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
soc/targets/artiq_pipistrello.py
View File

@ -30,14 +30,26 @@ class _RTIOCRG(Module, AutoCSR):
i_FREEZEDCM=0,
i_RST=ResetSignal())
self.rtio_external_clk = platform.request("dds_clock")
platform.add_period_constraint(self.rtio_external_clk, 8.0)
rtio_external_clk = platform.request("dds_clock")
platform.add_period_constraint(rtio_external_clk, 8.0)
self.specials += Instance("BUFGMUX",
i_I0=rtio_internal_clk,
i_I1=self.rtio_external_clk,
i_I1=rtio_external_clk,
i_S=self._clock_sel.storage,
o_O=self.cd_rtio.clk)
platform.add_platform_command("""
NET "{int_clk}" TNM_NET = "GRPint_clk";
NET "{ext_clk}" TNM_NET = "GRPext_clk";
NET "sys_clk" TNM_NET = "GRPsys_clk";
TIMESPEC "TSfix_ise1" = FROM "GRPint_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSfix_ise2" = FROM "GRPsys_clk" TO "GRPint_clk" TIG;
TIMESPEC "TSfix_ise3" = FROM "GRPext_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSfix_ise4" = FROM "GRPsys_clk" TO "GRPext_clk" TIG;
TIMESPEC "TSfix_ise5" = FROM "GRPext_clk" TO "GRPint_clk" TIG;
TIMESPEC "TSfix_ise6" = FROM "GRPint_clk" TO "GRPext_clk" TIG;
""", int_clk=rtio_internal_clk, ext_clk=rtio_external_clk)
class _Peripherals(BaseSoC):
csr_map = {
@ -54,7 +66,7 @@ class _Peripherals(BaseSoC):
def __init__(self, platform, cpu_type="or1k", **kwargs):
BaseSoC.__init__(self, platform, cpu_type=cpu_type, **kwargs)
platform.toolchain.ise_commands += """
trce -v 12 -fastpaths -o {build_name}.twr {build_name}.ncd {build_name}.pcf
trce -v 12 -fastpaths -tsi {build_name}.tsi -o {build_name}.twr {build_name}.ncd {build_name}.pcf
"""
platform.add_extension(nist_qc1.papilio_adapter_io)
@ -103,12 +115,6 @@ trce -v 12 -fastpaths -o {build_name}.twr {build_name}.ncd {build_name}.pcf
self.submodules.rtiocrg = _RTIOCRG(platform)
self.submodules.rtio = rtio.RTIO(rtio_channels,
clk_freq=125000000)
platform.add_platform_command("""
NET "{rtio_ext_clk}" TNM_NET = "GRPrtio_ext_clk";
NET "{sys_clk}" TNM_NET = "GRPsys_clk";
TIMESPEC "TSfix_ise1" = FROM "GRPrtio_ext_clk" TO "GRPsys_clk" TIG;
TIMESPEC "TSfix_ise2" = FROM "GRPsys_clk" TO "GRPrtio_ext_clk" TIG;
""", rtio_ext_clk=self.rtiocrg.rtio_external_clk, sys_clk=self.crg.cd_sys.clk)
dds_pads = platform.request("dds")
self.submodules.dds = ad9858.AD9858(dds_pads)