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Don't access jumbo frame related registers if controller lacks the

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feature. These registers are reserved on controllers that have no
support for jumbo frame.
Only BCM5700 has mini ring so do not poke mini ring related
registers if controller is not BCM5700.

Reviewed by:	marius
This commit is contained in:
Pyun YongHyeon 2009-12-07 19:26:54 +00:00
parent 6fe124d275
commit 2a141b9412
1 changed files with 14 additions and 8 deletions
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22
sys/dev/bge/if_bge.c
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@ -1618,11 +1618,13 @@ bge_blockinit(struct bge_softc *sc)
CSR_WRITE_4(sc, BGE_RX_JUMBO_RCB_NICADDR, rcb->bge_nicaddr);
/* Set up dummy disabled mini ring RCB */
rcb = &sc->bge_ldata.bge_info.bge_mini_rx_rcb;
rcb->bge_maxlen_flags =
BGE_RCB_MAXLEN_FLAGS(0, BGE_RCB_FLAG_RING_DISABLED);
CSR_WRITE_4(sc, BGE_RX_MINI_RCB_MAXLEN_FLAGS,
rcb->bge_maxlen_flags);
if (sc->bge_asicrev == BGE_ASICREV_BCM5700) {
rcb = &sc->bge_ldata.bge_info.bge_mini_rx_rcb;
rcb->bge_maxlen_flags =
BGE_RCB_MAXLEN_FLAGS(0, BGE_RCB_FLAG_RING_DISABLED);
CSR_WRITE_4(sc, BGE_RX_MINI_RCB_MAXLEN_FLAGS,
rcb->bge_maxlen_flags);
}
}
/*
@ -1642,7 +1644,9 @@ bge_blockinit(struct bge_softc *sc)
else
val = BGE_STD_RX_RING_CNT / 8;
CSR_WRITE_4(sc, BGE_RBDI_STD_REPL_THRESH, val);
CSR_WRITE_4(sc, BGE_RBDI_JUMBO_REPL_THRESH, BGE_JUMBO_RX_RING_CNT/8);
if (BGE_IS_JUMBO_CAPABLE(sc))
CSR_WRITE_4(sc, BGE_RBDI_JUMBO_REPL_THRESH,
BGE_JUMBO_RX_RING_CNT/8);
/*
* Disable all unused send rings by setting the 'ring disabled'
@ -1684,8 +1688,10 @@ bge_blockinit(struct bge_softc *sc)
/* Initialize RX ring indexes */
bge_writembx(sc, BGE_MBX_RX_STD_PROD_LO, 0);
bge_writembx(sc, BGE_MBX_RX_JUMBO_PROD_LO, 0);
bge_writembx(sc, BGE_MBX_RX_MINI_PROD_LO, 0);
if (BGE_IS_JUMBO_CAPABLE(sc))
bge_writembx(sc, BGE_MBX_RX_JUMBO_PROD_LO, 0);
if (sc->bge_asicrev == BGE_ASICREV_BCM5700)
bge_writembx(sc, BGE_MBX_RX_MINI_PROD_LO, 0);
/*
* Set up RX return ring 0