Please help with flash configuration

hello,

i try to send data to flash but it does not work (DE1 board).

i did not use cfi or nios, just program the FPGA.

the configuration is

--oe we ce reset

--H L L H

the pin out is:

FL_ADDR[0] PIN_AB20

FL_ADDR[1] PIN_AA14

FL_ADDR[2] PIN_Y16

FL_ADDR[3] PIN_R15

FL_ADDR[4] PIN_T15

FL_ADDR[5] PIN_U15

FL_ADDR[6] PIN_V15

FL_ADDR[7] PIN_W15

FL_ADDR[8] PIN_R14

FL_ADDR[9] PIN_Y13

FL_ADDR[10] PIN_R12

FL_ADDR[11] PIN_T12

FL_ADDR[12] PIN_AB14

FL_ADDR[13] PIN_AA13

FL_ADDR[14] PIN_AB13

FL_ADDR[15] PIN_AA12

FL_ADDR[16] PIN_AB12

FL_ADDR[17] PIN_AA20

FL_ADDR[18] PIN_U14

FL_ADDR[19] PIN_V14

FL_ADDR[20] PIN_U13

FL_ADDR[21] PIN_R13

FL_DQ[0] PIN_AB16

FL_DQ[1] PIN_AA16

FL_DQ[2] PIN_AB17

FL_DQ[3] PIN_AA17

FL_DQ[4] PIN_AB18

FL_DQ[5] PIN_AA18

FL_DQ[6] PIN_AB19

FL_DQ[7] PIN_AA19

FL_OE_N PIN_AA15

FL_RST_N PIN_W14

FL_WE_N PIN_Y14

reset PIN_L22

led PIN_R20

clk50 PIN_L1

Flash_CE_N PIN_AB15

Thanks.