-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
-#include <linux/mtd/nand.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+#endif
+}
+#endif
+
+#if defined(CONFIG_SYS_EEPROM_WREN)
+/* Input: <dev_addr> I2C address of EEPROM device to enable.
+ * <state> -1: deliver current state
+ * 0: disable write
+ * 1: enable write
+ * Returns: -1: wrong device address
+ * 0: dis-/en- able done
+ * 0/1: current state if <state> was -1.
+ */
+int eeprom_write_enable (unsigned dev_addr, int state)
+{
+ if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
+ return -1;
+ } else {
+ switch (state) {
+ case 1:
+ /* Enable write access, clear bit GPIO0. */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
+ state = 0;
+ break;
+ case 0:
+ /* Disable write access, set bit GPIO0. */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
+ state = 0;
+ break;
+ default:
+ /* Read current status back. */
+ state = (0 == (in_be32((void*)GPIO0_OR) & CONFIG_SYS_EEPROM_WP));
+ break;
+ }
+ }
+ return state;
+}