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make BGE_FAKE_AUTONEG a tunable.

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This allows one to change the behavior of the driver pre-boot.

NOTE: This patch was made for DragonFly BSD by Sepherosa Ziehau.

PR:		kern/94833
Submitted by:	Devon H. O'Dell
Obtained from:	DragonFly
MFC after:	1 month
This commit is contained in:
Michael Reifenberger 2006-04-25 15:56:52 +00:00
parent 6ff7518a85
commit c4529f4161
2 changed files with 5 additions and 6 deletions
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3
sys/conf/options
View File

@ -640,9 +640,6 @@ ED_SIC opt_ed.h
# bce driver
BCE_DEBUG opt_bce.h
# bge driver
BGE_FAKE_AUTONEG opt_bge.h
# wi driver
WI_SYMBOL_FIRMWARE opt_wi.h

8
sys/dev/bge/if_bge.c
View File

@ -306,6 +306,9 @@ static devclass_t bge_devclass;
DRIVER_MODULE(bge, pci, bge_driver, bge_devclass, 0, 0);
DRIVER_MODULE(miibus, bge, miibus_driver, miibus_devclass, 0, 0);
static int bge_fake_autoneg = 0;
TUNABLE_INT("hw.bge.fake_autoneg", &bge_fake_autoneg);
static u_int32_t
bge_readmem_ind(sc, off)
struct bge_softc *sc;
@ -3341,13 +3344,13 @@ bge_ifmedia_upd(ifp)
return(EINVAL);
switch(IFM_SUBTYPE(ifm->ifm_media)) {
case IFM_AUTO:
#ifndef BGE_FAKE_AUTONEG
/*
* The BCM5704 ASIC appears to have a special
* mechanism for programming the autoneg
* advertisement registers in TBI mode.
*/
if (sc->bge_asicrev == BGE_ASICREV_BCM5704) {
if (bge_fake_autoneg == 0 &&
sc->bge_asicrev == BGE_ASICREV_BCM5704) {
uint32_t sgdig;
CSR_WRITE_4(sc, BGE_TX_TBI_AUTONEG, 0);
sgdig = CSR_READ_4(sc, BGE_SGDIG_CFG);
@ -3359,7 +3362,6 @@ bge_ifmedia_upd(ifp)
DELAY(5);
CSR_WRITE_4(sc, BGE_SGDIG_CFG, sgdig);
}
#endif
break;
case IFM_1000_SX:
if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX) {