#include <common.h>
#include <mmc.h>
#include <asm/arch/misc.h>
+#include <asm/unaligned.h>
/* UNSTUFF_BITS macro taken from Linux Kernel: drivers/mmc/core/sd.c */
#define UNSTUFF_BITS(resp, start, size) \
void msm_generate_mac_addr(u8 *mac)
{
- int i;
- char sn[9];
-
- snprintf(sn, 9, "%08x", msm_board_serial());
-
- /* fill in the mac with serialno, use locally adminstrated pool */
+ /* use locally adminstrated pool */
mac[0] = 0x02;
- mac[1] = 00;
- for (i = 3; i >= 0; i--) {
- mac[i + 2] = hextoul(&sn[2 * i], NULL);
- sn[2 * i] = 0;
- }
+ mac[1] = 0x00;
+
+ /*
+ * Put the 32-bit serial number in the last 32-bit of the MAC address.
+ * Use big endian order so it is consistent with the serial number
+ * written as a hexadecimal string, e.g. 0x1234abcd -> 02:00:12:34:ab:cd
+ */
+ put_unaligned_be32(msm_board_serial(), &mac[2]);
}