forked from M-Labs/artiq
firmware: wait for serwb to be ready before proceeding further
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33f053cff8
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2b2b345eb9
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@ -25,6 +25,8 @@ pub mod spi;
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#[cfg(has_si5324)]
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pub mod si5324;
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#[cfg(has_serwb_phy)]
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pub mod serwb;
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#[cfg(has_ad9516)]
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#[allow(dead_code)]
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mod ad9516_reg;
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@ -0,0 +1,18 @@
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use csr;
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pub fn wait_init() {
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info!("waiting for AMC/RTM serwb bridge to be ready...");
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unsafe {
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while csr::serwb_phy::control_ready_read() != 0 {}
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}
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info!("done.");
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// Try reading the identifier register on the other side of the bridge.
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let rtm_identifier = unsafe {
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csr::rtm_identifier::identifier_read()
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};
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if rtm_identifier != 0x5352544d {
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error!("incorrect RTM identifier: 0x{:08x}", rtm_identifier);
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// proceed anyway
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}
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}
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@ -63,6 +63,9 @@ fn startup() {
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info!("software version {}", include_str!(concat!(env!("OUT_DIR"), "/git-describe")));
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info!("gateware version {}", board::ident(&mut [0; 64]));
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#[cfg(has_serwb_phy)]
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board::serwb::wait_init();
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let t = board::clock::get_ms();
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info!("press 'e' to erase startup and idle kernels...");
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while board::clock::get_ms() < t + 1000 {
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@ -195,6 +195,9 @@ fn startup() {
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info!("software version {}", include_str!(concat!(env!("OUT_DIR"), "/git-describe")));
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info!("gateware version {}", board::ident(&mut [0; 64]));
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#[cfg(has_serwb_phy)]
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board::serwb::wait_init();
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#[cfg(has_ad9516)]
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board::ad9516::init().expect("cannot initialize AD9516");
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#[cfg(has_hmc830_7043)]
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