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For RTL8211B or later PHYs, enable crossover detection and

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auto-correction. This change makes re(4) establish a link with
a system using non-crossover UTP cable.

Tested by:	Michael BlackHeart < amdmiek <> gmail dot com >
This commit is contained in:
Pyun YongHyeon 2013-03-20 05:31:34 +00:00
parent bd8cbcc32c
commit cf402cc979
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=248542
2 changed files with 21 additions and 1 deletions
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11
sys/dev/mii/rgephy.c
View File

@ -488,7 +488,7 @@ rgephy_load_dspcode(struct mii_softc *sc)
static void
rgephy_reset(struct mii_softc *sc)
{
uint16_t ssr;
uint16_t pcr, ssr;
if ((sc->mii_flags & MIIF_PHYPRIV0) == 0 && sc->mii_mpd_rev == 3) {
/* RTL8211C(L) */
@ -499,6 +499,15 @@ rgephy_reset(struct mii_softc *sc)
}
}
if (sc->mii_mpd_rev >= 2) {
pcr = PHY_READ(sc, RGEPHY_MII_PCR);
if ((pcr & RGEPHY_PCR_MDIX_AUTO) == 0) {
pcr &= ~RGEPHY_PCR_MDI_MASK;
pcr |= RGEPHY_PCR_MDIX_AUTO;
PHY_WRITE(sc, RGEPHY_MII_PCR, pcr);
}
}
mii_phy_reset(sc);
DELAY(1000);
rgephy_load_dspcode(sc);

11
sys/dev/mii/rgephyreg.h
View File

@ -137,6 +137,17 @@
#define RGEPHY_EXTSTS_T_FD_CAP 0x2000 /* 1000base-T FD capable */
#define RGEPHY_EXTSTS_T_HD_CAP 0x1000 /* 1000base-T HD capable */
/* RTL8211B(L)/RTL8211C(L) */
#define RGEPHY_MII_PCR 0x10 /* PHY Specific control register */
#define RGEPHY_PCR_ASSERT_CRS 0x0800
#define RGEPHY_PCR_FORCE_LINK 0x0400
#define RGEPHY_PCR_MDI_MASK 0x0060
#define RGEPHY_PCR_MDIX_AUTO 0x0040
#define RGEPHY_PCR_MDIX_MANUAL 0x0020
#define RGEPHY_PCR_MDI_MANUAL 0x0000
#define RGEPHY_PCR_CLK125_DIS 0x0010
#define RGEPHY_PCR_JABBER_DIS 0x0001
/* RTL8211B(L)/RTL8211C(L) */
#define RGEPHY_MII_SSR 0x11 /* PHY Specific status register */
#define RGEPHY_SSR_S1000 0x8000 /* 1000Mbps */