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eth: fix tx_clock magnitude bug 

Ethernet TX now works!
This commit is contained in:
Astro 2019-08-18 22:52:05 +02:00
parent 4bc1d21ae9
commit 43c3f3e4a6
1 changed files with 5 additions and 3 deletions
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8
src/eth/mod.rs
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@ -12,6 +12,8 @@ pub mod tx;
pub const MTU: usize = 1536; pub const MTU: usize = 1536;
/// Maximum MDC clock /// Maximum MDC clock
const MAX_MDC: u32 = 2_500_000; const MAX_MDC: u32 = 2_500_000;
/// Clock for GbE
const TX_1000: u32 = 125_000_000;
pub struct Eth<RX, TX> { pub struct Eth<RX, TX> {
regs: &'static mut regs::RegisterBlock, regs: &'static mut regs::RegisterBlock,
@ -152,14 +154,14 @@ impl Eth<(), ()> {
} }
pub fn gem0(macaddr: [u8; 6]) -> Self { pub fn gem0(macaddr: [u8; 6]) -> Self {
Self::setup_gem0_clock(125); Self::setup_gem0_clock(TX_1000);
let regs = regs::RegisterBlock::gem0(); let regs = regs::RegisterBlock::gem0();
Self::from_regs(regs, macaddr) Self::from_regs(regs, macaddr)
} }
pub fn gem1(macaddr: [u8; 6]) -> Self { pub fn gem1(macaddr: [u8; 6]) -> Self {
Self::setup_gem1_clock(125); Self::setup_gem1_clock(TX_1000);
let regs = regs::RegisterBlock::gem1(); let regs = regs::RegisterBlock::gem1();
Self::from_regs(regs, macaddr) Self::from_regs(regs, macaddr)
@ -401,7 +403,7 @@ impl<RX, TX> Eth<RX, TX> {
.set_restart_autoneg(true) .set_restart_autoneg(true)
); );
// 125 MHz for 1000base-TX // 125 MHz for 1000base-TX
Self::setup_gem0_clock(125); Self::setup_gem0_clock(TX_1000);
true true
} }