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Remove unnecessary unsafe blocks.

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This commit is contained in:
whitequark 2018-03-27 09:17:34 +00:00
parent b13ef96bbe
commit 8de311a34f
1 changed files with 26 additions and 26 deletions
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52
firmware/src/ethmac.rs
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@ -313,51 +313,51 @@ impl Device {
// Set the DMA operation mode
emac0.dmaopmode.write(|w|
w.rsf().bit(true) // Receive Store and Forward
.tsf().bit(true) // Transmit Store and Forward
.ttc()._64() // Transmit Threshold Control
.rtc()._64() // Receive Threshold Control
.tsf().bit(true) // Transmit Store and Forward
.ttc()._64() // Transmit Threshold Control
.rtc()._64() // Receive Threshold Control
);
// Set the bus mode register.
emac0.dmabusmod.write(|w| unsafe {
emac0.dmabusmod.write(|w|
w.atds().bit(true)
.aal().bit(true) // Address Aligned Beats
.usp().bit(true) // Use Separate Programmable Burst Length ???
.rpbl().bits(1) // RX DMA Programmable Burst Length
.pbl().bits(1) // Programmable Burst Length
.pr().bits(0) // Priority Ratio 1:1
});
.aal().bit(true) // Address Aligned Beats
.usp().bit(true) // Use Separate Programmable Burst Length ???
.rpbl().bits(1) // RX DMA Programmable Burst Length
.pbl().bits(1) // Programmable Burst Length
.pr().bits(0) // Priority Ratio 1:1
);
// Disable all the MMC interrupts as these are enabled by default at reset.
emac0.mmcrxim.write(|w| unsafe { w.bits(0xFFFFFFFF)});
emac0.mmctxim.write(|w| unsafe { w.bits(0xFFFFFFFF)});
emac0.mmcrxim.write(|w| w.bits(0xFFFFFFFF));
emac0.mmctxim.write(|w| w.bits(0xFFFFFFFF));
// Set MAC configuration options
emac0.cfg.write(|w|
w.dupm().bit(true) // MAC operates in full-duplex mode
.ipc().bit(true) // Checksum Offload Enable
.prelen()._7() // 7 bytes of preamble
.ifg()._96() // 96 bit times
.bl()._1024() // Back-Off Limit 1024
.ps().bit(true) // ?
.ipc().bit(true) // Checksum Offload Enable
.prelen()._7() // 7 bytes of preamble
.ifg()._96() // 96 bit times
.bl()._1024() // Back-Off Limit 1024
.ps().bit(true) // ?
);
// Set the maximum receive frame size
emac0.wdogto.write(|w| unsafe {
emac0.wdogto.write(|w|
w.bits(0) // ??? no use watchdog
});
);
// Set the MAC address
emac0.addr0l.write(|w| unsafe {
emac0.addr0l.write(|w|
w.addrlo().bits( mac.0[0] as u32 |
((mac.0[1] as u32) << 8) |
((mac.0[2] as u32) << 16) |
((mac.0[3] as u32) << 24))
});
emac0.addr0h.write(|w| unsafe {
);
emac0.addr0h.write(|w|
w.addrhi().bits( mac.0[4] as u16 |
((mac.0[5] as u16) << 8))
});
);
// Set MAC filtering options (?)
emac0.framefltr.write(|w|
@ -367,10 +367,10 @@ impl Device {
);
// Initialize hash table
emac0.hashtbll.write(|w| unsafe { w.htl().bits(0)});
emac0.hashtblh.write(|w| unsafe { w.hth().bits(0)});
emac0.hashtbll.write(|w| w.htl().bits(0));
emac0.hashtblh.write(|w| w.hth().bits(0));
emac0.flowctl.write(|w| unsafe { w.bits(0)}); // Disable flow control ???
emac0.flowctl.write(|w| w.bits(0)); // Disable flow control ???
emac0.txdladdr.write(|w| unsafe {
w.bits((&mut self.tx.desc_buf[0] as *mut u32) as u32)