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gateware/soc: use Minicon SDRAM controller and 128KB shared L2 cache

This commit is contained in:
Florent Kermarrec 2015-06-17 15:36:12 +02:00
parent 2f8a67c8b6
commit 38a0f63bd2
4 changed files with 14 additions and 16 deletions

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@ -3,12 +3,11 @@ from migen.bank.description import *
from migen.bus import wishbone from migen.bus import wishbone
from misoclib.cpu import mor1kx from misoclib.cpu import mor1kx
from misoclib.mem.sdram.frontend.wishbone2lasmi import WB2LASMI
from misoclib.soc import mem_decoder from misoclib.soc import mem_decoder
class KernelCPU(Module): class KernelCPU(Module):
def __init__(self, platform, lasmim, def __init__(self, platform,
exec_address=0x40400000, exec_address=0x40400000,
main_mem_origin=0x40000000, main_mem_origin=0x40000000,
l2_size=8192): l2_size=8192):
@ -29,16 +28,8 @@ class KernelCPU(Module):
"sys_kernel") "sys_kernel")
# DRAM access # DRAM access
# XXX Vivado 2014.X workaround self.wb_sdram = wishbone.Interface()
from mibuild.xilinx.vivado import XilinxVivadoToolchain self.add_wb_slave(mem_decoder(main_mem_origin), self.wb_sdram)
if isinstance(platform.toolchain, XilinxVivadoToolchain):
from migen.fhdl.simplify import FullMemoryWE
self.submodules.wishbone2lasmi = FullMemoryWE()(
WB2LASMI(l2_size//4, lasmim))
else:
self.submodules.wishbone2lasmi = WB2LASMI(l2_size//4, lasmim)
self.add_wb_slave(mem_decoder(main_mem_origin),
self.wishbone2lasmi.wishbone)
def get_csrs(self): def get_csrs(self):
return [self._reset] return [self._reset]

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@ -19,8 +19,9 @@ class AMPSoC:
self.submodules.timer0 = timer.Timer(width=64) self.submodules.timer0 = timer.Timer(width=64)
self.submodules.kernel_cpu = amp.KernelCPU( self.submodules.kernel_cpu = amp.KernelCPU(self.platform)
self.platform, self.sdram.crossbar.get_master()) self.add_wb_sdram_if(self.kernel_cpu.wb_sdram)
self.submodules.mailbox = amp.Mailbox() self.submodules.mailbox = amp.Mailbox()
self.add_wb_slave(mem_decoder(self.mem_map["mailbox"]), self.add_wb_slave(mem_decoder(self.mem_map["mailbox"]),
self.mailbox.i1) self.mailbox.i1)

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@ -6,6 +6,7 @@ from mibuild.xilinx.vivado import XilinxVivadoToolchain
from misoclib.com import gpio from misoclib.com import gpio
from misoclib.soc import mem_decoder from misoclib.soc import mem_decoder
from misoclib.mem.sdram.core.minicon import MiniconSettings
from targets.kc705 import MiniSoC from targets.kc705 import MiniSoC
from artiq.gateware.soc import AMPSoC from artiq.gateware.soc import AMPSoC
@ -48,7 +49,9 @@ class NIST_QC1(MiniSoC, AMPSoC):
def __init__(self, platform, cpu_type="or1k", **kwargs): def __init__(self, platform, cpu_type="or1k", **kwargs):
MiniSoC.__init__(self, platform, MiniSoC.__init__(self, platform,
cpu_type=cpu_type, with_timer=False, **kwargs) cpu_type=cpu_type,
sdram_controller_settings=MiniconSettings(l2_size=128*1024),
with_timer=False, **kwargs)
AMPSoC.__init__(self) AMPSoC.__init__(self)
platform.add_extension(nist_qc1.fmc_adapter_io) platform.add_extension(nist_qc1.fmc_adapter_io)

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@ -4,6 +4,7 @@ from migen.bank import wbgen
from misoclib.com import gpio from misoclib.com import gpio
from misoclib.soc import mem_decoder from misoclib.soc import mem_decoder
from misoclib.mem.sdram.core.minicon import MiniconSettings
from targets.pipistrello import BaseSoC from targets.pipistrello import BaseSoC
from artiq.gateware.soc import AMPSoC from artiq.gateware.soc import AMPSoC
@ -69,7 +70,9 @@ class NIST_QC1(BaseSoC, AMPSoC):
def __init__(self, platform, cpu_type="or1k", **kwargs): def __init__(self, platform, cpu_type="or1k", **kwargs):
BaseSoC.__init__(self, platform, BaseSoC.__init__(self, platform,
cpu_type=cpu_type, with_timer=False, **kwargs) cpu_type=cpu_type,
sdram_controller_settings=MiniconSettings(l2_size=128*1024),
with_timer=False, **kwargs)
AMPSoC.__init__(self) AMPSoC.__init__(self)
platform.toolchain.ise_commands += """ platform.toolchain.ise_commands += """
trce -v 12 -fastpaths -tsi {build_name}.tsi -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