diff options
| author | wpaul <wpaul@FreeBSD.org> | 2003-06-29 17:33:33 +0000 |
|---|---|---|
| committer | wpaul <wpaul@FreeBSD.org> | 2003-06-29 17:33:33 +0000 |
| commit | accf54d2fd6d971fc3cf6cc35ff5866b1275597e (patch) | |
| tree | a5fd0f51144712b2367f6c2510be118deb10793c /sys/pci/if_rl.c | |
| parent | d8d789fb8be433ed280d52ec5b13ae301abc922a (diff) | |
| download | FreeBSD-src-accf54d2fd6d971fc3cf6cc35ff5866b1275597e.zip FreeBSD-src-accf54d2fd6d971fc3cf6cc35ff5866b1275597e.tar.gz | |
In order to set the MAC address on RealTek NICs, you must flip WRITECFG
bit in the EEPROM mode register on. Also, the address must be written
in two 32-bit register accesses instead of 6 8-bit accesses.
Tested with my 8139B cardbus NIC.
PR: kern/35900
Submitted by: Mark Kettenis <kettenis@chello.nl>
Diffstat (limited to 'sys/pci/if_rl.c')
| -rw-r--r-- | sys/pci/if_rl.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys/pci/if_rl.c b/sys/pci/if_rl.c index 836c617..861eb51 100644 --- a/sys/pci/if_rl.c +++ b/sys/pci/if_rl.c @@ -1597,7 +1597,6 @@ rl_init(xsc) struct rl_softc *sc = xsc; struct ifnet *ifp = &sc->arpcom.ac_if; struct mii_data *mii; - int i; u_int32_t rxcfg = 0; RL_LOCK(sc); @@ -1608,10 +1607,15 @@ rl_init(xsc) */ rl_stop(sc); - /* Init our MAC address */ - for (i = 0; i < ETHER_ADDR_LEN; i++) { - CSR_WRITE_1(sc, RL_IDR0 + i, sc->arpcom.ac_enaddr[i]); - } + /* + * Init our MAC address. Even though the chipset + * documentation doesn't mention it, we need to enter "Config + * register write enable" mode to modify the ID registers. + */ + CSR_WRITE_1(sc, RL_EECMD, RL_EEMODE_WRITECFG); + CSR_WRITE_4(sc, RL_IDR0, *(u_int32_t *)(&sc->arpcom.ac_enaddr[0])); + CSR_WRITE_4(sc, RL_IDR4, *(u_int32_t *)(&sc->arpcom.ac_enaddr[4])); + CSR_WRITE_1(sc, RL_EECMD, RL_EEMODE_OFF); /* Init the RX buffer pointer register. */ bus_dmamap_load(sc->rl_tag, sc->rl_cdata.rl_rx_dmamap, |
