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path: root/drivers/mtd/spi/stmicro.c
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Diffstat (limited to 'drivers/mtd/spi/stmicro.c')
-rw-r--r--drivers/mtd/spi/stmicro.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c
index 2a9972b..7e41ee1 100644
--- a/drivers/mtd/spi/stmicro.c
+++ b/drivers/mtd/spi/stmicro.c
@@ -140,6 +140,30 @@ static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = {
.nr_sectors = 512,
.name = "N25Q256A",
},
+ {
+ .id = 0xba20,
+ .pages_per_sector = 256,
+ .nr_sectors = 1024,
+ .name = "N25Q512",
+ },
+ {
+ .id = 0xbb20,
+ .pages_per_sector = 256,
+ .nr_sectors = 1024,
+ .name = "N25Q512A",
+ },
+ {
+ .id = 0xba21,
+ .pages_per_sector = 256,
+ .nr_sectors = 2048,
+ .name = "N25Q1024",
+ },
+ {
+ .id = 0xbb21,
+ .pages_per_sector = 256,
+ .nr_sectors = 2048,
+ .name = "N25Q1024A",
+ },
};
struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
@@ -186,5 +210,9 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
flash->sector_size = 256 * params->pages_per_sector;
flash->size = flash->sector_size * params->nr_sectors;
+ /* for >= 512MiB flashes, use flag status instead of read_status */
+ if (flash->size >= 0x4000000)
+ flash->poll_cmd = CMD_FLAG_STATUS;
+
return flash;
}