Merge branch 'master' of git://git.denx.de/u-boot-arm

[oweals/u-boot.git] / arch / arm / cpu / armv7 / omap-common / utils.c

diff --git a/arch/arm/cpu/armv7/omap-common/utils.c b/arch/arm/cpu/armv7/omap-common/utils.c
index ea935da45bc8827095f10ab1e60434441406ed0e..1696c2dbda6cda6a321ce503bbb4ad6008ba1155 100644 (file)
--- a/arch/arm/cpu/armv7/omap-common/utils.c
+++ b/arch/arm/cpu/armv7/omap-common/utils.c
@@ -2,25 +2,10 @@
  * Copyright 2011 Linaro Limited
  * Aneesh V <aneesh@ti.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
+#include <asm/arch/sys_proto.h>
 static void do_cancel_out(u32 *num, u32 *den, u32 factor)
 {
        while (1) {
@@ -55,3 +40,23 @@ void cancel_out(u32 *num, u32 *den, u32 den_limit)
                *den = (*den + 1) / 2;
        }
 }
+
+void __weak usb_fake_mac_from_die_id(u32 *id)
+{
+       uint8_t device_mac[6];
+
+       if (!getenv("usbethaddr")) {
+               /*
+                * create a fake MAC address from the processor ID code.
+                * first byte is 0x02 to signify locally administered.
+                */
+               device_mac[0] = 0x02;
+               device_mac[1] = id[3] & 0xff;
+               device_mac[2] = id[2] & 0xff;
+               device_mac[3] = id[1] & 0xff;
+               device_mac[4] = id[0] & 0xff;
+               device_mac[5] = (id[0] >> 8) & 0xff;
+
+               eth_setenv_enetaddr("usbethaddr", device_mac);
+       }
+}