static inline int nand_read(nand_info_t *info, ulong ofs, ulong *len, u_char *buf)
{
static inline int nand_read(nand_info_t *info, ulong ofs, ulong *len, u_char *buf)
{
int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
int nand_get_lock_status(nand_info_t *meminfo, ulong offset);
int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
int nand_get_lock_status(nand_info_t *meminfo, ulong offset);