spi_flash/stmicro: add geometrical info for N25Q256 from Micron

Note: because 4-byte addressing is not supported yet, at the moment only the first 16MiB of the device are available.

---
 drivers/mtd/spi/stmicro.c |    7 +++++++
 1 file changed, 7 insertions(+)

index a9b33cf..1a8c334 100644
@@ -111,6 +111,13 @@ static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = {
 		.nr_sectors = 64,
 		.name = "M25P128",
 	},
+	{
+		.idcode1 = 0x19,
+		.page_size = 256,
+		.pages_per_sector = 256,
+		.nr_sectors = 512,
+		.name = "N25Q256",
+	},
 };
 
 static int stmicro_erase(struct spi_flash *flash, u32 offset, size_t len)

1.7.9.4

thanks, pulled into my sf branch
-mike
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