ARM: omap4-panda: Add MAC address creation for panda

[karo-tx-uboot.git] / board / ti / panda / panda.c

diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c
index e838ffd95476c8041e5e547607a93e4fb39b0da5..bc3c29220e1c3f7420b7c79ce62cfc3e3c7066b0 100644 (file)
--- a/board/ti/panda/panda.c
+++ b/board/ti/panda/panda.c
@@ -133,6 +133,7 @@ int misc_init_r(void)
 {
        int phy_type;
        u32 auxclk, altclksrc;
+       uint8_t device_mac[6];
 
        /* EHCI is not supported on ES1.0 */
        if (omap_revision() == OMAP4430_ES1_0)
@@ -186,6 +187,21 @@ int misc_init_r(void)
 
        writel(altclksrc, &scrm->altclksrc);
 
+       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] = readl(STD_FUSE_DIE_ID_3) & 0xff;
+               device_mac[2] = readl(STD_FUSE_DIE_ID_2) & 0xff;
+               device_mac[3] = readl(STD_FUSE_DIE_ID_1) & 0xff;
+               device_mac[4] = readl(STD_FUSE_DIE_ID_0) & 0xff;
+               device_mac[5] = (readl(STD_FUSE_DIE_ID_0) >> 8) & 0xff;
+
+               eth_setenv_enetaddr("usbethaddr", device_mac);
+       }
+
        return 0;
 }