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freebsd/cgem: Add SGMII support

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This adds support to the CGEM driver for selection of SGMII PHY
interfaces specified via device tree parameters.
This commit is contained in:
Kinsey Moore 2022-11-08 23:07:35 -06:00 committed by Joel Sherrill
parent fef8b8850b
commit 02d383922b
1 changed files with 10 additions and 0 deletions
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10
freebsd/sys/dev/cadence/if_cgem.c
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@ -134,6 +134,7 @@ struct cgem_softc {
#ifdef __rtems__ #ifdef __rtems__
uint32_t net_cfg_shadow; uint32_t net_cfg_shadow;
int neednullqs; int neednullqs;
int phy_contype;
#endif /* __rtems__ */ #endif /* __rtems__ */
int ref_clk_num; int ref_clk_num;
#ifndef __rtems__ #ifndef __rtems__
@ -1296,6 +1297,14 @@ cgem_config(struct cgem_softc *sc)
CGEM_NET_CFG_FULL_DUPLEX | CGEM_NET_CFG_FULL_DUPLEX |
CGEM_NET_CFG_SPEED100; CGEM_NET_CFG_SPEED100;
#ifdef __rtems__
/* Check connection type, enable SGMII bits if necessary. */
if ( sc->phy_contype == MII_CONTYPE_SGMII ) {
net_cfg |= CGEM_NET_CFG_SGMII_EN;
net_cfg |= CGEM_NET_CFG_PCS_SEL;
}
#endif
/* Enable receive checksum offloading? */ /* Enable receive checksum offloading? */
if ((if_getcapenable(ifp) & IFCAP_RXCSUM) != 0) if ((if_getcapenable(ifp) & IFCAP_RXCSUM) != 0)
net_cfg |= CGEM_NET_CFG_RX_CHKSUM_OFFLD_EN; net_cfg |= CGEM_NET_CFG_RX_CHKSUM_OFFLD_EN;
@ -2014,6 +2023,7 @@ cgem_attach(device_t dev)
/* Else for ref-clock-num OF_getprop */ /* Else for ref-clock-num OF_getprop */
else else
sc->ref_clk_num = device_get_unit(dev); sc->ref_clk_num = device_get_unit(dev);
sc->phy_contype = mii_fdt_get_contype(node);
} else { } else {
sc->ref_clk_num = device_get_unit(dev); sc->ref_clk_num = device_get_unit(dev);
sc->phy_contype = MII_CONTYPE_RGMII_ID; sc->phy_contype = MII_CONTYPE_RGMII_ID;