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Reset, wait for link up

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This commit is contained in:
Jeremy Soller
2017-03-21 16:56:26 -06:00
parent 060934a77d
commit c544b72c73
1 changed files with 23 additions and 4 deletions
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e1000d/src/device.rs
+23 -4
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@@ -1,4 +1,4 @@
use std::{cmp, mem, ptr, slice};
use std::{cmp, mem, ptr, slice, thread, time};
use netutils::setcfg;
use syscall::error::{Error, EACCES, EWOULDBLOCK, Result};
@@ -11,6 +11,7 @@ const CTRL_LRST: u32 = 1 << 3;
const CTRL_ASDE: u32 = 1 << 5;
const CTRL_SLU: u32 = 1 << 6;
const CTRL_ILOS: u32 = 1 << 7;
const CTRL_RST: u32 = 1 << 26;
const CTRL_VME: u32 = 1 << 30;
const CTRL_PHY_RST: u32 = 1 << 31;
@@ -267,11 +268,17 @@ impl Intel8254x {
}
pub unsafe fn init(&mut self) {
self.flag(CTRL, CTRL_RST, true);
loop {
thread::sleep(time::Duration::new(0, 1000));
if self.read(CTRL) & CTRL_RST != CTRL_RST {
break;
}
}
// Enable auto negotiate, link, clear reset, do not Invert Loss-Of Signal
self.flag(CTRL, CTRL_ASDE | CTRL_SLU, true);
self.flag(CTRL, CTRL_LRST, false);
self.flag(CTRL, CTRL_PHY_RST, false);
self.flag(CTRL, CTRL_ILOS, false);
self.flag(CTRL, CTRL_LRST | CTRL_PHY_RST | CTRL_ILOS, false);
// No flow control
self.write(FCAH, 0);
@@ -342,5 +349,17 @@ impl Intel8254x {
// TCTL.COLD = Collision distance
// TIPG Packet Gap
// TODO ...
print!("{}", format!(" - CTRL: {:X}\n", self.read(CTRL)));
print!("{}", format!(" - STS: {:X}\n", self.read(STATUS)));
print!("{}", format!(" - RCTL: {:X}\n", self.read(RCTL)));
print!("{}", format!(" - TCTL: {:X}\n", self.read(TCTL)));
print!("{}", format!(" - IMS: {:X}\n", self.read(IMS)));
while self.read(STATUS) & 2 != 2 {
print!(" - Waiting for link up\n");
thread::sleep(time::Duration::new(1, 0));
}
}
}