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| author | Stefano Babic <sbabic@denx.de> | 2014-04-29 17:41:19 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-04-29 17:41:19 +0200 |
| commit | 3deb22a4844cbda1a05c60dd29d8926e4dddaa4e (patch) | |
| tree | 767063f0d9e0acfd7445db47abf0d4ac94abdc1d /arch/arm/cpu/armv7/omap-common/utils.c | |
| parent | 3b31605aef069d183a9d0c1e3aa6f957503cd56b (diff) | |
| parent | c9aab0f9dd23fddcebf5984dc19e62b514e759a7 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/utils.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/utils.c | 21 |
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); + } +} |