forked from M-Labs/artiq
firmware/libboard: use correct jesd clocking
This commit is contained in:
parent
d90d624877
commit
aff1609a53
|
@ -8,12 +8,12 @@ use std::process::Command;
|
|||
|
||||
fn gen_hmc7043_writes() {
|
||||
println!("cargo:rerun-if-changed=hmc7043_gen_writes.py");
|
||||
println!("cargo:rerun-if-changed=hmc7043_guiexport_10gbps.py");
|
||||
println!("cargo:rerun-if-changed=hmc7043_guiexport_6gbps.py");
|
||||
|
||||
let hmc7043_writes =
|
||||
Command::new("python3")
|
||||
.arg("hmc7043_gen_writes.py")
|
||||
.arg("hmc7043_guiexport_10gbps.py")
|
||||
.arg("hmc7043_guiexport_6gbps.py")
|
||||
.output()
|
||||
.ok()
|
||||
.and_then(|o| String::from_utf8(o.stdout).ok())
|
||||
|
|
|
@ -315,14 +315,14 @@ dut.write(0xED, 0x0)
|
|||
# clkgrp2_div2_cfg2_mutesel[7:6] = 0x0
|
||||
dut.write(0xEE, 0x9)
|
||||
|
||||
# clkgrp3_div1_cfg1_en[0:0] = 0x0
|
||||
# clkgrp3_div1_cfg1_en[0:0] = 0x1
|
||||
# clkgrp3_div1_cfg1_phdelta_mslip[1:1] = 0x1
|
||||
# clkgrp3_div1_cfg2_startmode[3:2] = 0x0
|
||||
# clkgrp3_div1_cfg1_rev[4:4] = 0x1
|
||||
# clkgrp3_div1_cfg1_slipmask[5:5] = 0x1
|
||||
# clkgrp3_div1_cfg1_reseedmask[6:6] = 0x1
|
||||
# clkgrp3_div1_cfg1_hi_perf[7:7] = 0x0
|
||||
dut.write(0xF0, 0x72)
|
||||
dut.write(0xF0, 0x73)
|
||||
|
||||
# clkgrp3_div1_cfg12_divrat_lsb[7:0] = 0x2
|
||||
dut.write(0xF1, 0x2)
|
||||
|
@ -693,5 +693,4 @@ dut.write(0x151, 0x0)
|
|||
# clkgrp7_div2_cfg5_drvr_mode[4:3] = 0x1
|
||||
# clkgrp7_div2_cfg_outbuf_dyn[5:5] = 0x0
|
||||
# clkgrp7_div2_cfg2_mutesel[7:6] = 0x0
|
||||
dut.write(0x152, 0xB)
|
||||
|
||||
dut.write(0x152, 0xB)
|
|
@ -1,15 +1,32 @@
|
|||
/*
|
||||
* HMC830 config:
|
||||
* 100MHz input, 1GHz output
|
||||
* 100MHz input, 1.2GHz output
|
||||
* fvco = (refclk / r_divider) * n_divider
|
||||
* fout = fvco/2
|
||||
*
|
||||
* HMC7043 config:
|
||||
* dac clock: 1GHz (div=1)
|
||||
* fpga clock: 250MHz (div=4)
|
||||
* sysref clock: 15.625MHz (div=64)
|
||||
* dac clock: 600MHz (div=1)
|
||||
* fpga clock: 150MHz (div=4)
|
||||
* sysref clock: 9.375MHz (div=64)
|
||||
*/
|
||||
|
||||
mod clock_mux {
|
||||
use csr;
|
||||
|
||||
const CLK_SRC_EXT_SEL : u8 = 1 << 0;
|
||||
const REF_CLK_SRC_SEL : u8 = 1 << 1;
|
||||
const DAC_CLK_SRC_SEL : u8 = 1 << 2;
|
||||
|
||||
pub fn init() -> Result<(), &'static str> {
|
||||
unsafe {
|
||||
csr::clock_mux::out_write(
|
||||
1*CLK_SRC_EXT_SEL | // use ext clk from sma
|
||||
1*REF_CLK_SRC_SEL | //
|
||||
0*DAC_CLK_SRC_SEL); // use clk from dac_clk // FIXME (should use hmc830 output)
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
mod hmc830 {
|
||||
use clock;
|
||||
|
@ -31,7 +48,7 @@ mod hmc830 {
|
|||
(0xa, 0x2046),
|
||||
(0xb, 0x7c061),
|
||||
(0xf, 0x81),
|
||||
(0x3, 0x28), // n_divider
|
||||
(0x3, 0x30), // n_divider
|
||||
];
|
||||
|
||||
fn spi_setup() {
|
||||
|
@ -90,11 +107,11 @@ mod hmc830 {
|
|||
|
||||
let t = clock::get_ms();
|
||||
info!("HMC830 waiting for lock...");
|
||||
//while read(0x12) & 0x02 == 0 {
|
||||
// if clock::get_ms() > t + 2000 {
|
||||
// return Err("HMC830 lock timeout");
|
||||
// }
|
||||
//}
|
||||
while read(0x12) & 0x02 == 0 {
|
||||
if clock::get_ms() > t + 2000 {
|
||||
return Err("HMC830 lock timeout");
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
@ -163,6 +180,7 @@ mod hmc7043 {
|
|||
}
|
||||
|
||||
pub fn init() -> Result<(), &'static str> {
|
||||
clock_mux::init();
|
||||
hmc830::init()?;
|
||||
hmc7043::init()
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue