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phy/pcs_1000basex: Replace self.lp_abi.o[0] with is_sgmii to ease understanding.

This commit is contained in:
Florent Kermarrec 2024-10-15 09:28:09 +02:00
parent 41c8b50ba5
commit 7e602c406d
1 changed files with 3 additions and 3 deletions
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6
liteeth/phy/pcs_1000basex.py
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@ -348,8 +348,8 @@ class PCS(LiteXModule):
# Detect that link is down: # Detect that link is down:
# - 1000BASE-X : linkup can be inferred by non-empty reg. # - 1000BASE-X : linkup can be inferred by non-empty reg.
# - SGMII : linkup is indicated with bit 15. # - SGMII : linkup is indicated with bit 15.
linkdown.eq((self.lp_abi.o[0] & ~self.lp_abi.o[15]) | (self.lp_abi.o == 0)), linkdown.eq((is_sgmii & ~self.lp_abi.o[15]) | (self.lp_abi.o == 0)),
self.tx.sgmii_speed.eq(Mux(self.lp_abi.o[0], self.tx.sgmii_speed.eq(Mux(is_sgmii,
self.lp_abi.o[10:12], 0b10)), self.lp_abi.o[10:12], 0b10)),
self.rx.sgmii_speed.eq(Mux(self.lp_abi.i[0], self.rx.sgmii_speed.eq(Mux(self.lp_abi.i[0],
self.lp_abi.i[10:12], 0b10)) self.lp_abi.i[10:12], 0b10))
@ -359,7 +359,7 @@ class PCS(LiteXModule):
self.tx.config_reg.eq(Mux(tx_config_empty, 0, self.tx.config_reg.eq(Mux(tx_config_empty, 0,
(is_sgmii) | # SGMII: SGMII in-use (is_sgmii) | # SGMII: SGMII in-use
(~is_sgmii << 5) | # 1000BASE-X: Full-duplex (~is_sgmii << 5) | # 1000BASE-X: Full-duplex
(Mux(self.lp_abi.o[0], # SGMII: Speed (Mux(is_sgmii, # SGMII: Speed
self.lp_abi.o[10:12], 0) << 10) | self.lp_abi.o[10:12], 0) << 10) |
(is_sgmii << 12) | # SGMII: Full-duplex (is_sgmii << 12) | # SGMII: Full-duplex
(autoneg_ack << 14) | # SGMII/1000BASE-X: Acknowledge Bit (autoneg_ack << 14) | # SGMII/1000BASE-X: Acknowledge Bit