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[smscusb] Fetch MAC from device tree for Raspberry Pi Model B+

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2019-07-19 19:15:33 +01:00
parent a046329012
commit f4cc5834ef
4 changed files with 41 additions and 29 deletions
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34
src/drivers/net/smscusb.c
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@@ -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
@@ -439,6 +440,39 @@ int smscusb_otp_fetch_mac ( struct smscusb_device *smscusb,
return 0;
}
/******************************************************************************
*
* 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