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Bootloader: Remove kusddrphy support for SDRAM 

- Delete all the kusddrphy cfg flags and related code
This commit is contained in:
linuswck 2023-08-01 16:43:23 +08:00 committed by Sébastien Bourdeauducq
parent cb547c8a46
commit c206e92f29
1 changed files with 0 additions and 33 deletions
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33
artiq/firmware/libboard_misoc/sdram.rs
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@ -8,9 +8,6 @@ mod ddr {
DFII_COMMAND_WRDATA, DFII_COMMAND_RDDATA};
use sdram_phy::{DFII_NPHASES, DFII_PIX_DATA_SIZE, DFII_PIX_WRDATA_ADDR, DFII_PIX_RDDATA_ADDR};
#[cfg(kusddrphy)]
const DDRPHY_MAX_DELAY: u16 = 512;
#[cfg(not(kusddrphy))]
const DDRPHY_MAX_DELAY: u16 = 32;
const DQS_SIGNAL_COUNT: usize = DFII_PIX_DATA_SIZE / 2;
@ -35,17 +32,12 @@ mod ddr {
#[cfg(ddrphy_wlevel)]
unsafe fn write_level_scan(logger: &mut Option<&mut dyn fmt::Write>) {
#[cfg(kusddrphy)]
log!(logger, "DQS initial delay: {} taps\n", ddrphy::wdly_dqs_taps_read());
log!(logger, "Write leveling scan:\n");
enable_write_leveling(true);
spin_cycles(100);
#[cfg(not(kusddrphy))]
let ddrphy_max_delay : u16 = DDRPHY_MAX_DELAY;
#[cfg(kusddrphy)]
let ddrphy_max_delay : u16 = DDRPHY_MAX_DELAY - ddrphy::wdly_dqs_taps_read();
for n in 0..DQS_SIGNAL_COUNT {
let dq_addr = dfii::PI0_RDDATA_ADDR
@ -57,10 +49,6 @@ mod ddr {
ddrphy::wdly_dq_rst_write(1);
ddrphy::wdly_dqs_rst_write(1);
#[cfg(kusddrphy)]
for _ in 0..ddrphy::wdly_dqs_taps_read() {
ddrphy::wdly_dqs_inc_write(1);
}
let mut dq;
for _ in 0..ddrphy_max_delay {
@ -88,17 +76,12 @@ mod ddr {
unsafe fn write_level(logger: &mut Option<&mut dyn fmt::Write>,
delay: &mut [u16; DQS_SIGNAL_COUNT],
high_skew: &mut [bool; DQS_SIGNAL_COUNT]) -> bool {
#[cfg(kusddrphy)]
log!(logger, "DQS initial delay: {} taps\n", ddrphy::wdly_dqs_taps_read());
log!(logger, "Write leveling: ");
enable_write_leveling(true);
spin_cycles(100);
#[cfg(not(kusddrphy))]
let ddrphy_max_delay : u16 = DDRPHY_MAX_DELAY;
#[cfg(kusddrphy)]
let ddrphy_max_delay : u16 = DDRPHY_MAX_DELAY - ddrphy::wdly_dqs_taps_read();
let mut failed = false;
for n in 0..DQS_SIGNAL_COUNT {
@ -112,10 +95,6 @@ mod ddr {
ddrphy::wdly_dq_rst_write(1);
ddrphy::wdly_dqs_rst_write(1);
#[cfg(kusddrphy)]
for _ in 0..ddrphy::wdly_dqs_taps_read() {
ddrphy::wdly_dqs_inc_write(1);
}
ddrphy::wlevel_strobe_write(1);
spin_cycles(10);
@ -146,11 +125,6 @@ mod ddr {
dq = ptr::read_volatile(dq_addr);
}
// Get a bit further into the 0 zone
#[cfg(kusddrphy)]
for _ in 0..32 {
incr_delay();
}
}
while dq == 0 {
@ -191,9 +165,6 @@ mod ddr {
if delay[n] > threshold {
ddrphy::dly_sel_write(1 << n);
#[cfg(kusddrphy)]
ddrphy::rdly_dq_bitslip_write(1);
#[cfg(not(kusddrphy))]
for _ in 0..3 {
ddrphy::rdly_dq_bitslip_write(1);
}
@ -451,13 +422,9 @@ pub unsafe fn init(mut _logger: Option<&mut dyn fmt::Write>) -> bool {
#[cfg(has_ddrphy)]
{
#[cfg(kusddrphy)]
csr::ddrphy::en_vtc_write(0);
if !ddr::level(&mut _logger) {
return false
}
#[cfg(kusddrphy)]
csr::ddrphy::en_vtc_write(1);
}
csr::dfii::control_write(sdram_phy::DFII_CONTROL_SEL);