* Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
* and do not drop the Preamble.
*/
- writel((((imx_get_fecclk() / 1000000) + 2) / 5) << 1,
- ð->mii_speed);
+ register u32 speed = DIV_ROUND_UP(imx_get_fecclk(), 5000000);
+#ifdef FEC_QUIRK_ENET_MAC
+ speed--;
+#endif
+ speed <<= 1;
+ writel(speed, ð->mii_speed);
debug("%s: mii_speed %08x\n", __func__, readl(ð->mii_speed));
}