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kc705: integrate DMA

This commit is contained in:
Sebastien Bourdeauducq 2016-12-01 16:31:00 +08:00
parent 7c59688a12
commit d4cb1eb998
2 changed files with 21 additions and 10 deletions
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16
artiq/gateware/targets/kc705.py
View File

@ -101,10 +101,11 @@ _ams101_dac = [
class _NIST_Ions(MiniSoC, AMPSoC):
mem_map = {
"timer_kernel": 0x10000000, # (shadow @0x90000000)
"rtio": 0x20000000, # (shadow @0xa0000000)
"i2c": 0x30000000, # (shadow @0xb0000000)
"mailbox": 0x70000000 # (shadow @0xf0000000)
"timer_kernel": 0x10000000,
"rtio": 0x20000000,
"rtio_dma": 0x30000000,
"i2c": 0x50000000,
"mailbox": 0x70000000
}
mem_map.update(MiniSoC.mem_map)
@ -143,8 +144,13 @@ class _NIST_Ions(MiniSoC, AMPSoC):
self.submodules.rtio_crg = _RTIOCRG(self.platform, self.crg.cd_sys.clk)
self.csr_devices.append("rtio_crg")
self.submodules.rtio_core = rtio.Core(rtio_channels)
self.submodules.rtio = rtio.KernelInitiator(self.rtio_core.cri)
self.submodules.rtio = rtio.KernelInitiator()
self.submodules.rtio_dma = rtio.DMA(self.get_native_sdram_if())
self.register_kernel_cpu_csrdevice("rtio")
self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri],
[self.rtio_core.cri])
self.submodules.rtio_moninj = rtio.MonInj(rtio_channels)
self.csr_devices.append("rtio_moninj")

15
artiq/gateware/targets/kc705_drtio_master.py
View File

@ -17,9 +17,10 @@ from artiq import __version__ as artiq_version
class Master(MiniSoC, AMPSoC):
mem_map = {
"timer_kernel": 0x10000000, # (shadow @0x90000000)
"rtio": 0x20000000, # (shadow @0xa0000000)
"mailbox": 0x70000000 # (shadow @0xf0000000)
"timer_kernel": 0x10000000,
"rtio": 0x20000000,
"rtio_dma": 0x30000000,
"mailbox": 0x70000000
}
mem_map.update(MiniSoC.mem_map)
@ -56,9 +57,13 @@ class Master(MiniSoC, AMPSoC):
rtio_channels.append(rtio.Channel.from_phy(phy))
self.submodules.rtio_core = rtio.Core(rtio_channels, 3)
self.submodules.cridec = rtio.CRIDecoder([self.drtio.cri, self.rtio_core.cri])
self.submodules.rtio = rtio.KernelInitiator(self.cridec.master)
self.submodules.rtio = rtio.KernelInitiator()
self.submodules.rtio_dma = rtio.DMA(self.get_native_sdram_if())
self.register_kernel_cpu_csrdevice("rtio")
self.register_kernel_cpu_csrdevice("rtio_dma")
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.rtio.cri, self.rtio_dma.cri],
[self.drtio.cri, self.rtio_core.cri])
def main():