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authorMarek Vasut <marex@denx.de>2014-05-15 00:20:54 +0200
committerMarek Vasut <marex@denx.de>2014-05-15 00:20:54 +0200
commit4180b3dba25c2c28cc4502f1c9f1cbad2a9972b8 (patch)
treece2ac59e3f933e6c7f220edf3b14a2e46174ef14 /arch/arm/cpu/armv7/omap-common/utils.c
parentfc25fa27e5f439705e9ca42182014e2d75d9f0ae (diff)
parent2072e7262965bb48d7fffb1e283101e6ed8b21a8 (diff)
Merge remote-tracking branch 'u-boot/master' into test
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/utils.c')
-rw-r--r--arch/arm/cpu/armv7/omap-common/utils.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/utils.c b/arch/arm/cpu/armv7/omap-common/utils.c
index aabf2bd6135..1696c2dbda6 100644
--- 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);
+ }
+}