+void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
+{
+ uint8_t env_enetaddr[6];
+
+ eth_getenv_enetaddr_by_index(0, env_enetaddr);
+ if (!memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
+ /* There is no MAC address in the environment, so we initialize
+ * it from the value in the EEPROM. */
+ debug("### Setting environment from EEPROM MAC address = "
+ "\"%pM\"\n",
+ env_enetaddr);
+ eth_setenv_enetaddr("ethaddr", rom_enetaddr);
+ }
+}
+
+#endif /* DAVINCI_EMAC */
+
+/*
+ * Change the setting of a pin multiplexer field.
+ *
+ * Takes an array of pinmux settings similar to:
+ *
+ * struct pinmux_config uart_pins[] = {
+ * { &davinci_syscfg_regs->pinmux[8], 2, 7 },
+ * { &davinci_syscfg_regs->pinmux[9], 2, 0 }
+ * };
+ *
+ * Stepping through the array, each pinmux[n] register has the given value
+ * set in the pin mux field specified.
+ *
+ * The number of pins in the array must be passed (ARRAY_SIZE can provide
+ * this value conveniently).
+ *
+ * Returns 0 if all field numbers and values are in the correct range,
+ * else returns -1.
+ */
+int davinci_configure_pin_mux(const struct pinmux_config *pins,
+ const int n_pins)