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In order to set the MAC address on RealTek NICs, you must flip WRITECFG

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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>
This commit is contained in:
Bill Paul 2003-06-29 17:33:33 +00:00
parent 25ae78c736
commit 2e7c2f97aa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=117029
1 changed files with 9 additions and 5 deletions
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14
sys/pci/if_rl.c
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@ -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,