[spinor]add spinor_global_unlock for spi nor flash

xboot · Apr 25, 2023 · b49c489 · b49c489
1 parent 0b1ca5d
commit b49c489
Showing 1 changed file with 78 additions and 1 deletion.
diff --git a/spinor.c b/spinor.c
@@ -322,7 +322,32 @@ static int spinor_helper_init(struct xfel_ctx_t * ctx, struct spinor_pdata_t * p
 
 		/* spi select */
 		cbuf[clen++] = SPI_CMD_SELECT;
-		/* write status */
+		/* global block/sector unlock */
+		cbuf[clen++] = SPI_CMD_FAST;
+		cbuf[clen++] = 1;
+		cbuf[clen++] = 0x98;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* wait busy */
+		cbuf[clen++] = SPI_CMD_SPINOR_WAIT;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* write enable */
+		cbuf[clen++] = SPI_CMD_FAST;
+		cbuf[clen++] = 1;
+		cbuf[clen++] = pdat->info.opcode_write_enable;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* write status 1 */
 		cbuf[clen++] = SPI_CMD_FAST;
 		cbuf[clen++] = 2;
 		cbuf[clen++] = OPCODE_WRSR;
@@ -337,6 +362,58 @@ static int spinor_helper_init(struct xfel_ctx_t * ctx, struct spinor_pdata_t * p
 		/* spi deselect */
 		cbuf[clen++] = SPI_CMD_DESELECT;
 
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* write enable */
+		cbuf[clen++] = SPI_CMD_FAST;
+		cbuf[clen++] = 1;
+		cbuf[clen++] = pdat->info.opcode_write_enable;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* write status 2 */
+		cbuf[clen++] = SPI_CMD_FAST;
+		cbuf[clen++] = 2;
+		cbuf[clen++] = 0x31;
+		cbuf[clen++] = 0;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* wait busy */
+		cbuf[clen++] = SPI_CMD_SPINOR_WAIT;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* write enable */
+		cbuf[clen++] = SPI_CMD_FAST;
+		cbuf[clen++] = 1;
+		cbuf[clen++] = pdat->info.opcode_write_enable;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* write status 3 */
+		cbuf[clen++] = SPI_CMD_FAST;
+		cbuf[clen++] = 2;
+		cbuf[clen++] = 0x11;
+		cbuf[clen++] = 0;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
+		/* spi select */
+		cbuf[clen++] = SPI_CMD_SELECT;
+		/* wait busy */
+		cbuf[clen++] = SPI_CMD_SPINOR_WAIT;
+		/* spi deselect */
+		cbuf[clen++] = SPI_CMD_DESELECT;
+
 		if(pdat->info.address_length == 4)
 		{
 			/* spi select */