1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index 06e6a5282044..9d1edf05701a 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -411,6 +411,28 @@ static struct stfsm_seq stfsm_seq_erase_sector = {
                     SEQ_CFG_STARTSEQ),
 };
 
+static int stfsm_n25q_en_32bit_addr_seq(struct stfsm_seq *seq)
+{
+        seq->seq_opc[0] = (SEQ_OPC_PADS_1 | SEQ_OPC_CYCLES(8) |
+                           SEQ_OPC_OPCODE(FLASH_CMD_EN4B_ADDR));
+        seq->seq_opc[1] = (SEQ_OPC_PADS_1 | SEQ_OPC_CYCLES(8) |
+                           SEQ_OPC_OPCODE(FLASH_CMD_WREN) |
+                           SEQ_OPC_CSDEASSERT);
+
+        seq->seq[0] = STFSM_INST_CMD2;
+        seq->seq[1] = STFSM_INST_CMD1;
+        seq->seq[2] = STFSM_INST_WAIT;
+        seq->seq[3] = STFSM_INST_STOP;
+
+        seq->seq_cfg = (SEQ_CFG_PADS_1 |
+                        SEQ_CFG_ERASE |
+                        SEQ_CFG_READNOTWRITE |
+                        SEQ_CFG_CSDEASSERT |
+                        SEQ_CFG_STARTSEQ);
+
+        return 0;
+}
+
 static inline int stfsm_is_idle(struct stfsm *fsm)
 {
         return readl(fsm->base + SPI_FAST_SEQ_STA) & 0x10;