bge: Properly enable Data Fifo Protection for certain chips

Obtained-from: FreeBSD 210083

diff --git a/sys/dev/netif/bge/if_bge.c b/sys/dev/netif/bge/if_bge.c
index c0ad9fd..4689b8d 100644 (file)
--- a/sys/dev/netif/bge/if_bge.c
+++ b/sys/dev/netif/bge/if_bge.c
@@ -2457,11 +2457,6 @@ bge_reset(struct bge_softc *sc)
                DELAY(10);
        }
 
-       if (sc->bge_flags & BGE_FLAG_PCIE) {
-               reset = bge_readmem_ind(sc, 0x7c00);
-               bge_writemem_ind(sc, 0x7c00, reset | (1 << 25));
-       }
-
        /* Fix up byte swapping */
        CSR_WRITE_4(sc, BGE_MODE_CTL, BGE_DMA_SWAP_OPTIONS |
            BGE_MODECTL_BYTESWAP_DATA);
@@ -2484,9 +2479,11 @@ bge_reset(struct bge_softc *sc)
 
        /* XXX: Broadcom Linux driver. */
        if ((sc->bge_flags & BGE_FLAG_PCIE) &&
-           sc->bge_chipid != BGE_CHIPID_BCM5750_A0) {
+           sc->bge_chipid != BGE_CHIPID_BCM5750_A0 &&
+           sc->bge_asicrev != BGE_ASICREV_BCM5785) {
                uint32_t v;
 
+               /* Enable Data FIFO protection. */
                v = CSR_READ_4(sc, 0x7c00);
                CSR_WRITE_4(sc, 0x7c00, v | (1<<25));
        }