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smc911x: write back the manually set MAC address

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If the MAX address is given by the environment, write it back to the
hardware.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
This commit is contained in:
Daniel Mack 2009-04-08 13:23:37 +02:00 • committed by Ben Warren
parent 3bc8556f9b
commit 2c0234fa79
1 changed files with 7 additions and 2 deletions
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7
drivers/net/smc911x.c
View file

@ -41,8 +41,13 @@ static int smx911x_handle_mac_address(bd_t *bd)
unsigned long addrh, addrl; unsigned long addrh, addrl;
uchar m[6]; uchar m[6];
if (eth_getenv_enetaddr("ethaddr", m)) {
/* if the environment has a valid mac address then use it */ /* if the environment has a valid mac address then use it */
if (!eth_getenv_enetaddr("ethaddr", m)) { addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
addrh = m[4] | (m[5] << 8);
smc911x_set_mac_csr(ADDRL, addrl);
smc911x_set_mac_csr(ADDRH, addrh);
} else {
/* if not, try to get one from the eeprom */ /* if not, try to get one from the eeprom */
addrh = smc911x_get_mac_csr(ADDRH); addrh = smc911x_get_mac_csr(ADDRH);
addrl = smc911x_get_mac_csr(ADDRL); addrl = smc911x_get_mac_csr(ADDRL);