diff options
Diffstat (limited to 'src/drivers/net/smscusb.c')
| -rw-r--r-- | src/drivers/net/smscusb.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/drivers/net/smscusb.c b/src/drivers/net/smscusb.c index 538d338c4..c639c58c1 100644 --- a/src/drivers/net/smscusb.c +++ b/src/drivers/net/smscusb.c @@ -30,6 +30,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <ipxe/usbnet.h> #include <ipxe/ethernet.h> #include <ipxe/profile.h> +#include <ipxe/fdt.h> #include "smscusb.h" /** @file @@ -441,6 +442,39 @@ int smscusb_otp_fetch_mac ( struct smscusb_device *smscusb, /****************************************************************************** * + * Device tree + * + ****************************************************************************** + */ + +/** + * Fetch MAC address from device tree + * + * @v smscusb SMSC USB device + * @ret rc Return status code + */ +int smscusb_fdt_fetch_mac ( struct smscusb_device *smscusb ) { + struct net_device *netdev = smscusb->netdev; + unsigned int offset; + int rc; + + /* Look for "ethernet[0]" alias */ + if ( ( rc = fdt_alias ( "ethernet", &offset ) != 0 ) && + ( rc = fdt_alias ( "ethernet0", &offset ) != 0 ) ) { + return rc; + } + + /* Fetch MAC address */ + if ( ( rc = fdt_mac ( offset, netdev ) ) != 0 ) + return rc; + + DBGC ( smscusb, "SMSCUSB %p using FDT MAC %s\n", + smscusb, eth_ntoa ( netdev->hw_addr ) ); + return 0; +} + +/****************************************************************************** + * * MII access * ****************************************************************************** |