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 aabf2bd613597790d9aebb81263345863ed2fb7d..1696c2dbda6cda6a321ce503bbb4ad6008ba1155 100644 (file)
--- a/arch/arm/cpu/armv7/omap-common/utils.c
+++ b/arch/arm/cpu/armv7/omap-common/utils.c
@@ -5,6 +5,7 @@
  * 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) {
@@ -39,3 +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);
+       }
+}