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kasli_soc: add SFP0..3 LED indication #237

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den512 wants to merge 1 commits from den512/artiq-zynq:master into master
pull from: den512/artiq-zynq:master
merge into: M-Labs:master
Conversation 4 Commits 1 Files Changed 4
4 changed files with 162 additions and 38 deletions
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8
src/gateware/kasli_soc.py
View File

@ -86,6 +86,8 @@ class GenericStandalone(SoCCore):
self.acpki = acpki
self.rustc_cfg = dict()
self.rustc_cfg["hw_rev"] = description["hw_rev"]
platform = kasli_soc.Platform()
platform.toolchain.bitstream_commands.extend([
"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
@ -178,6 +180,8 @@ class GenericMaster(SoCCore):
self.acpki = acpki
self.rustc_cfg = dict()
self.rustc_cfg["hw_rev"] = description["hw_rev"]
platform = kasli_soc.Platform()
platform.toolchain.bitstream_commands.extend([
"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
@ -208,6 +212,7 @@ class GenericMaster(SoCCore):
txout_buf,
clk_sw=gtx0.tx_init.done)
self.csr_devices.append("sys_crg")
self.crg = self.ps7 # HACK for eem_7series to find the clock
self.crg.cd_sys = self.sys_crg.cd_sys
platform.add_false_path_constraints(
@ -312,6 +317,8 @@ class GenericSatellite(SoCCore):
self.acpki = acpki
self.rustc_cfg = dict()
self.rustc_cfg["hw_rev"] = description["hw_rev"]
platform = kasli_soc.Platform()
platform.toolchain.bitstream_commands.extend([
"set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
@ -342,6 +349,7 @@ class GenericSatellite(SoCCore):
platform.add_false_path_constraints(
self.bootstrap.cd_bootstrap.clk, self.sys_crg.cd_sys.clk)
self.csr_devices.append("sys_crg")
self.crg = self.ps7 # HACK for eem_7series to find the clock
self.crg.cd_sys = self.sys_crg.cd_sys

128
src/libboard_artiq/src/io_expander.rs
View File

@ -10,44 +10,84 @@ struct Registers {
gpiob: u8, // Output Port 1
}
//IO expanders pins
const IO_DIR_INPUT_ALL: u8 = 0xFF;
const IO_DIR_OUT_SFP_TX_DISABLE: u8 = !0x02;
const IO_DIR_OUT_SFP_LED:u8 = !0x40;
//SFP0 LED has different place in v1.1
#[cfg(hw_rev = "v1.0")]
const IO_DIR_OUT_SFP0_LED: u8 = !0x40;
#[cfg(hw_rev = "v1.1")]
const IO_DIR_OUT_SFP0_LED: u8 = !0x80;
//IO expander port direction
const IO_DIR_MAPPING0: [u8; 2] = [IO_DIR_INPUT_ALL & IO_DIR_OUT_SFP_TX_DISABLE & (IO_DIR_OUT_SFP0_LED),
IO_DIR_INPUT_ALL & IO_DIR_OUT_SFP_TX_DISABLE & IO_DIR_OUT_SFP_LED];
const IO_DIR_MAPPING1: [u8; 2] = [IO_DIR_INPUT_ALL & IO_DIR_OUT_SFP_TX_DISABLE & IO_DIR_OUT_SFP_LED,
IO_DIR_INPUT_ALL & IO_DIR_OUT_SFP_TX_DISABLE & IO_DIR_OUT_SFP_LED];
//state of input/output pins
struct IoState {
iodir: [u8; 2],
out_current: [u8; 2],
out_target: [u8; 2]
}
static mut IO_STATE: [IoState; 2] = [
IoState {
iodir: IO_DIR_MAPPING0,
out_current: [0; 2],
out_target: [0; 2],
},
IoState {
iodir: IO_DIR_MAPPING1,
out_current: [0; 2],
out_target: [0; 2],
},
];
pub struct IoExpander<'a> {
i2c: &'a mut i2c::I2c,
address: u8,
iodir: [u8; 2],
out_current: [u8; 2],
out_target: [u8; 2],
registers: Registers,
virtual_led_mapping: &'static [(u8, u8, u8)],
channel: usize,
}
impl<'a> IoExpander<'a> {
pub fn new(i2c: &'a mut i2c::I2c, index: u8) -> Result<Self, &'static str> {
#[cfg(hw_rev = "v1.0")]
const VIRTUAL_LED_MAPPING0: [(u8, u8, u8); 2] = [(0, 0, 6), (1, 1, 6)];
#[cfg(hw_rev = "v1.1")]
const VIRTUAL_LED_MAPPING0: [(u8, u8, u8); 2] = [(0, 0, 7), (1, 1, 6)];
const VIRTUAL_LED_MAPPING1: [(u8, u8, u8); 2] = [(2, 0, 6), (3, 1, 6)];
// Both expanders on SHARED I2C bus
let mut io_expander = match index {
0 => IoExpander {
i2c,
address: 0x40,
iodir: [0xff; 2],
out_current: [0; 2],
out_target: [0; 2],
registers: Registers {
iodira: 0x00,
iodirb: 0x01,
gpioa: 0x12,
gpiob: 0x13,
},
virtual_led_mapping: &VIRTUAL_LED_MAPPING0,
channel: 0,
},
1 => IoExpander {
i2c,
address: 0x42,
iodir: [0xff; 2],
out_current: [0; 2],
out_target: [0; 2],
registers: Registers {
iodira: 0x00,
iodirb: 0x01,
gpioa: 0x12,
gpiob: 0x13,
},
virtual_led_mapping: &VIRTUAL_LED_MAPPING1,
channel: 1,
},
_ => return Err("incorrect I/O expander index"),
};
@ -92,49 +132,69 @@ impl<'a> IoExpander<'a> {
}
fn update_iodir(&mut self) -> Result<(), &'static str> {
self.write(self.registers.iodira, self.iodir[0])?;
self.write(self.registers.iodirb, self.iodir[1])?;
unsafe {
self.write(self.registers.iodira, IO_STATE[self.channel].iodir[0])?;
self.write(self.registers.iodirb, IO_STATE[self.channel].iodir[1])?;
};
Ok(())
}
pub fn init(&mut self) -> Result<(), &'static str> {
self.select()?;
unsafe {
IO_STATE[self.channel].iodir[0] = match self.channel {
0 => IO_DIR_MAPPING0[0],
1 => IO_DIR_MAPPING1[0],
_ => IO_DIR_INPUT_ALL,
};
IO_STATE[self.channel].iodir[1] = match self.channel {
0 => IO_DIR_MAPPING0[1],
1 => IO_DIR_MAPPING1[1],
_ => IO_DIR_INPUT_ALL,
};
IO_STATE[self.channel].out_target[0] = 0x00;
IO_STATE[self.channel].out_target[1] = 0x00;
IO_STATE[self.channel].out_current[0] = 0x00;
IO_STATE[self.channel].out_current[1] = 0x00;
};
self.update_iodir()?;
self.out_current[0] = 0x00;
self.write(self.registers.gpioa, 0x00)?;
self.out_current[1] = 0x00;
self.write(self.registers.gpiob, 0x00)?;
Ok(())
}
pub fn set_oe(&mut self, port: u8, outputs: u8) -> Result<(), &'static str> {
self.iodir[port as usize] &= !outputs;
self.update_iodir()?;
Ok(())
pub fn set(&mut self, port: u8, bit: u8, high: bool) {
unsafe {
if high {
IO_STATE[self.channel].out_target[port as usize] |= 1 << bit;
} else {
IO_STATE[self.channel].out_target[port as usize] &= !(1 << bit);
}
};
}
pub fn set(&mut self, port: u8, bit: u8, high: bool) {
if high {
self.out_target[port as usize] |= 1 << bit;
} else {
self.out_target[port as usize] &= !(1 << bit);
pub fn led_update(&mut self, led_state: u8) {
for (led_num, port, bit) in self.virtual_led_mapping.iter() {
let level = (led_state >> led_num) & 1;
self.set(*port, *bit, level != 0);
}
self.service().unwrap();
}
pub fn service(&mut self) -> Result<(), &'static str> {
if self.out_target != self.out_current {
self.select()?;
if self.out_target[0] != self.out_current[0] {
self.write(self.registers.gpioa, self.out_target[0])?;
self.out_current[0] = self.out_target[0];
unsafe {
if IO_STATE[self.channel].out_target != IO_STATE[self.channel].out_current {
self.select()?;
if IO_STATE[self.channel].out_target[0] != IO_STATE[self.channel].out_current[0] {
self.write(self.registers.gpioa, IO_STATE[self.channel].out_target[0])?;
IO_STATE[self.channel].out_current[0] = IO_STATE[self.channel].out_target[0];
}
if IO_STATE[self.channel].out_target[1] != IO_STATE[self.channel].out_current[1] {
self.write(self.registers.gpiob, IO_STATE[self.channel].out_target[1])?;
IO_STATE[self.channel].out_current[1] = IO_STATE[self.channel].out_target[1];
}
}
if self.out_target[1] != self.out_current[1] {
self.write(self.registers.gpiob, self.out_target[1])?;
self.out_current[1] = self.out_target[1];
}
}
};
Ok(())
}
}

41
src/runtime/src/main.rs
View File

@ -102,6 +102,42 @@ async fn report_async_rtio_errors() {
}
}
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
static mut SEEN_RTIO_LED: u8 = 0;
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
static mut READ_RTIO_LED: u8 = 0;
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
fn wait_for_rtio_led_change() -> nb::Result<(), Void> {
unsafe {
let len: usize = pl::csr::DRTIO.len();
READ_RTIO_LED = 0;
for linkno in 0..len {
//let linkno = linkno as usize;
READ_RTIO_LED |= (pl::csr::DRTIO[linkno].rx_up_read)() << linkno;
}
if READ_RTIO_LED != SEEN_RTIO_LED {
Ok(())
} else {
Err(nb::Error::WouldBlock)
}
}
}
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
async fn async_rtio_led() {
loop {
let _ = block_async!(wait_for_rtio_led_change()).await;
unsafe {
let i2c = (&mut i2c::I2C_BUS).as_mut().unwrap();
for expander_i in 0..=1 {
let mut io_expander = io_expander::IoExpander::new(i2c, expander_i).unwrap();
io_expander.led_update(READ_RTIO_LED);
}
SEEN_RTIO_LED = READ_RTIO_LED;
};
}
}
static mut LOG_BUFFER: [u8; 1 << 17] = [0; 1 << 17];
#[no_mangle]
@ -130,8 +166,6 @@ pub fn main_core0() {
let mut io_expander = io_expander::IoExpander::new(i2c, expander_i).unwrap();
io_expander.init().expect("I2C I/O expander #0 initialization failed");
// Actively drive TX_DISABLE to false on SFP0..3
io_expander.set_oe(0, 1 << 1).unwrap();
io_expander.set_oe(1, 1 << 1).unwrap();
io_expander.set(0, 1, false);
io_expander.set(1, 1, false);
io_expander.service().unwrap();
@ -150,5 +184,8 @@ pub fn main_core0() {
task::spawn(report_async_rtio_errors());
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
task::spawn(async_rtio_led());
comms::main(timer, cfg);
}

23
src/satman/src/main.rs
View File

@ -591,6 +591,23 @@ const SI5324_SETTINGS: si5324::FrequencySettings = si5324::FrequencySettings {
crystal_as_ckin2: true,
};
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
fn sfp_leds_update(i2c: &mut I2c) {
let mut virtual_leds;
unsafe {
virtual_leds = csr::drtiosat::rx_up_read();
let len: usize = csr::DRTIOREP.len();
for linkno in 0..len {
virtual_leds |= (csr::DRTIOREP[linkno].rx_up_read)() << (linkno + 1);
}
}
for expander_i in 0..=1 {
let mut io_expander = io_expander::IoExpander::new(i2c, expander_i).unwrap();
io_expander.led_update(virtual_leds);
}
}
static mut LOG_BUFFER: [u8; 1 << 17] = [0; 1 << 17];
#[no_mangle]
@ -617,8 +634,6 @@ pub extern "C" fn main_core0() -> i32 {
let mut io_expander = io_expander::IoExpander::new(&mut i2c, expander_i).unwrap();
io_expander.init().expect("I2C I/O expander #0 initialization failed");
// Actively drive TX_DISABLE to false on SFP0..3
io_expander.set_oe(0, 1 << 1).unwrap();
io_expander.set_oe(1, 1 << 1).unwrap();
io_expander.set(0, 1, false);
io_expander.set(1, 1, false);
io_expander.service().unwrap();
@ -664,6 +679,8 @@ pub extern "C" fn main_core0() -> i32 {
for mut rep in repeaters.iter_mut() {
rep.service(&routing_table, rank, &mut timer);
}
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
sfp_leds_update(&mut i2c);
hardware_tick(&mut hardware_tick_ts, &mut timer);
}
@ -700,6 +717,8 @@ pub extern "C" fn main_core0() -> i32 {
for mut rep in repeaters.iter_mut() {
rep.service(&routing_table, rank, &mut timer);
}
#[cfg(all(feature = "target_kasli_soc", has_drtio))]
sfp_leds_update(&mut i2c);
hardware_tick(&mut hardware_tick_ts, &mut timer);
if drtiosat_tsc_loaded() {
info!("TSC loaded from uplink");