examples/ebaz4205/device_db.py

@@ -1,70 +0,0 @@
-core_addr = "192.168.1.57"
-
-device_db = {
-    "core": {
-        "type": "local",
-        "module": "artiq.coredevice.core",
-        "class": "Core",
-        "arguments": {
-            "host": core_addr,
-            "ref_period": 1e-9,
-            "target": "cortexa9",
-        },
-    },
-    "core_log": {
-        "type": "controller",
-        "host": "::1",
-        "port": 1068,
-        "command": "aqctl_corelog -p {port} --bind {bind} " + core_addr,
-    },
-    "core_moninj": {
-        "type": "controller",
-        "host": "::1",
-        "port_proxy": 1383,
-        "port": 1384,
-        "command": "aqctl_moninj_proxy --port-proxy {port_proxy} --port-control {port} --bind {bind} "
-        + core_addr,
-    },
-    "core_analyzer": {
-        "type": "controller",
-        "host": "::1",
-        "port_proxy": 1385,
-        "port": 1386,
-        "command": "aqctl_coreanalyzer_proxy --port-proxy {port_proxy} --port-control {port} --bind {bind} "
-        + core_addr,
-    },
-    "core_cache": {
-        "type": "local",
-        "module": "artiq.coredevice.cache",
-        "class": "CoreCache",
-    },
-    "core_dma": {"type": "local", "module": "artiq.coredevice.dma", "class": "CoreDMA"},
-    "led0": {
-        "type": "local",
-        "module": "artiq.coredevice.ttl",
-        "class": "TTLOut",
-        "arguments": {"channel": 0},
-    },
-    "led1": {
-        "type": "local",
-        "module": "artiq.coredevice.ttl",
-        "class": "TTLOut",
-        "arguments": {"channel": 1},
-    },
-}
-
-
-device_db.update(
-    spi0={
-        "type": "local",
-        "module": "artiq.coredevice.spi2",
-        "class": "SPIMaster",
-        "arguments": {"channel": 2},
-    },
-    dds0={
-        "type": "local",
-        "module": "artiq.coredevice.ad9834",
-        "class": "AD9834",
-        "arguments": {"spi_device": "spi0"},
-    },
-)

src/gateware/ebaz4205.py

@@ -1,19 +1,23 @@
 #!/usr/bin/env python
 
 import argparse
+from operator import itemgetter
 
-import analyzer
-import dma
-from artiq.gateware import rtio
-from artiq.gateware.rtio.phy import dds, spi2, ttl_simple
-from artiq.gateware.rtio.xilinx_clocking import fix_serdes_timing_path
-from config import write_csr_file, write_mem_file, write_rustc_cfg_file
 from migen import *
-from migen.build.generic_platform import IOStandard, Misc, Pins, Subsignal
 from migen.build.platforms import ebaz4205
+from migen.build.generic_platform import Pins, Subsignal, IOStandard, Misc
 from migen_axi.integration.soc_core import SoCCore
 from misoc.interconnect.csr import *
 
+from artiq.gateware import rtio
+from artiq.gateware.rtio.phy import ttl_simple
+from artiq.gateware.rtio.xilinx_clocking import fix_serdes_timing_path
+
+import dma
+import analyzer
+
+from config import write_csr_file, write_mem_file, write_rustc_cfg_file
+
 _ps = [
     (
         "ps",
@@ -79,17 +83,6 @@ _i2c = [
     )
 ]
 
-_spi = [
-    (
-        "spi",
-        0,
-        Subsignal("clk", Pins("V20")),
-        Subsignal("mosi", Pins("U20")),
-        Subsignal("cs_n", Pins("P19")),
-        IOStandard("LVCMOS33"),
-    )
-]
-
 
 class EBAZ4205(SoCCore):
     def __init__(self, rtio_clk=125e6, acpki=False):
@@ -104,7 +97,6 @@ class EBAZ4205(SoCCore):
         platform.add_extension(_ps)
         platform.add_extension(_ddr)
         platform.add_extension(_i2c)
-        platform.add_extension(_spi)
 
         gmii = platform.request("gmii")
         platform.add_period_constraint(gmii.rx_clk, 10)
@@ -179,11 +171,6 @@ class EBAZ4205(SoCCore):
             phy = ttl_simple.Output(user_led)
             self.submodules += phy
             self.rtio_channels.append(rtio.Channel.from_phy(phy))
-
-        print("SPI at RTIO channel 0x{:06x}".format(len(self.rtio_channels)))
-        spi_phy = spi2.SPIMaster(platform.request("spi"))
-        self.submodules += spi_phy
-        self.rtio_channels.append(rtio.Channel.from_phy(spi_phy, ififo_depth=4))
         self.config["RTIO_LOG_CHANNEL"] = len(self.rtio_channels)
         self.rtio_channels.append(rtio.LogChannel())
 

src/libboard_artiq/src/drtioaux_proto.rs

@@ -255,7 +255,6 @@ pub enum Packet {
         destination: u8,
         id: u32,
         run: bool,
-        timestamp: u64,
     },
     SubkernelLoadRunReply {
         destination: u8,
@@ -515,7 +514,6 @@ impl Packet {
                 destination: reader.read_u8()?,
                 id: reader.read_u32()?,
                 run: reader.read_bool()?,
-                timestamp: reader.read_u64()?,
             },
             0xc5 => Packet::SubkernelLoadRunReply {
                 destination: reader.read_u8()?,
@@ -879,14 +877,12 @@ impl Packet {
                 destination,
                 id,
                 run,
-                timestamp,
             } => {
                 writer.write_u8(0xc4)?;
                 writer.write_u8(source)?;
                 writer.write_u8(destination)?;
                 writer.write_u32(id)?;
                 writer.write_bool(run)?;
-                writer.write_u64(timestamp)?;
             }
             Packet::SubkernelLoadRunReply { destination, succeeded } => {
                 writer.write_u8(0xc5)?;

src/libksupport/src/kernel/mod.rs

@@ -81,7 +81,6 @@ pub enum Message {
         id: u32,
         destination: u8,
         run: bool,
-        timestamp: u64,
     },
     #[cfg(has_drtio)]
     SubkernelLoadRunReply {

src/libksupport/src/kernel/subkernel.rs

@@ -3,7 +3,7 @@ use alloc::vec::Vec;
 use cslice::CSlice;
 
 use super::{Message, SubkernelStatus, KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0};
-use crate::{artiq_raise, eh_artiq, rpc::send_args, rtio::now_mu};
+use crate::{artiq_raise, eh_artiq, rpc::send_args};
 
 pub extern "C" fn load_run(id: u32, destination: u8, run: bool) {
     unsafe {
@@ -14,7 +14,6 @@ pub extern "C" fn load_run(id: u32, destination: u8, run: bool) {
                 id: id,
                 destination: destination,
                 run: run,
-                timestamp: now_mu() as u64,
             });
     }
     match unsafe { KERNEL_CHANNEL_0TO1.as_mut().unwrap() }.recv() {

src/runtime/src/comms.rs

@@ -405,9 +405,8 @@ async fn handle_run_kernel(
                 id,
                 destination: _,
                 run,
-                timestamp,
             } => {
-                let succeeded = match subkernel::load(aux_mutex, routing_table, timer, id, run, timestamp).await {
+                let succeeded = match subkernel::load(aux_mutex, routing_table, timer, id, run).await {
                     Ok(()) => true,
                     Err(e) => {
                         error!("Error loading subkernel: {:?}", e);

src/runtime/src/rtio_mgt.rs

@@ -792,7 +792,6 @@ pub mod drtio {
         id: u32,
         destination: u8,
         run: bool,
-        timestamp: u64,
     ) -> Result<(), Error> {
         let linkno = routing_table.0[destination as usize][0] - 1;
         let reply = aux_transact(
@@ -804,7 +803,6 @@ pub mod drtio {
                 source: 0,
                 destination: destination,
                 run: run,
-                timestamp,
             },
             timer,
         )

src/runtime/src/subkernel.rs

@@ -100,22 +100,12 @@ pub async fn load(
     timer: GlobalTimer,
     id: u32,
     run: bool,
-    timestamp: u64,
 ) -> Result<(), Error> {
     if let Some(subkernel) = SUBKERNELS.async_lock().await.get_mut(&id) {
         if subkernel.state != SubkernelState::Uploaded {
             return Err(Error::IncorrectState);
         }
-        drtio::subkernel_load(
-            aux_mutex,
-            routing_table,
-            timer,
-            id,
-            subkernel.destination,
-            run,
-            timestamp,
-        )
-        .await?;
+        drtio::subkernel_load(aux_mutex, routing_table, timer, id, subkernel.destination, run).await?;
         if run {
             subkernel.state = SubkernelState::Running;
         }

src/satman/src/main.rs

@@ -826,7 +826,6 @@ fn process_aux_packet(
             destination: _destination,
             id,
             run,
-            timestamp,
         } => {
             forward!(
                 router,
@@ -845,7 +844,7 @@ fn process_aux_packet(
                     // cannot run kernel while DDMA is running
                     succeeded = false;
                 } else {
-                    succeeded |= kernel_manager.run(source, id, timestamp).is_ok();
+                    succeeded |= kernel_manager.run(source, id).is_ok();
                 }
             }
             router.send(

src/satman/src/subkernel.rs

@@ -8,7 +8,7 @@ use core_io::{Error as IoError, Write};
 use cslice::AsCSlice;
 use dma::{Error as DmaError, Manager as DmaManager};
 use io::{Cursor, ProtoWrite};
-use ksupport::{eh_artiq, kernel, rpc, rtio};
+use ksupport::{eh_artiq, kernel, rpc};
 use libboard_artiq::{drtio_routing::RoutingTable,
                      drtioaux,
                      drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE},
@@ -349,7 +349,7 @@ impl<'a> Manager<'_> {
         }
     }
 
-    pub fn run(&mut self, source: u8, id: u32, timestamp: u64) -> Result<(), Error> {
+    pub fn run(&mut self, source: u8, id: u32) -> Result<(), Error> {
         if self.session.kernel_state != KernelState::Loaded || self.session.id != id {
             self.load(id)?;
         }
@@ -359,7 +359,6 @@ impl<'a> Manager<'_> {
             csr::cri_con::selected_write(2);
         }
 
-        rtio::at_mu(timestamp as i64);
         self.control.tx.send(kernel::Message::StartRequest);
         Ok(())
     }
@@ -813,7 +812,6 @@ impl<'a> Manager<'_> {
                 id,
                 destination: sk_destination,
                 run,
-                timestamp,
             } => {
                 self.session.kernel_state = KernelState::SubkernelAwaitLoad;
                 router.route(
@@ -822,7 +820,6 @@ impl<'a> Manager<'_> {
                         destination: sk_destination,
                         id: id,
                         run: run,
-                        timestamp,
                     },
                     routing_table,
                     rank,