diff options
| author | Angus Clark <angus.clark@st.com> | 2014-03-26 16:39:20 +0000 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-04-14 11:23:00 -0700 |
| commit | 6b6d37377c4c4c5cd1d9505afbc4e2d3113707f2 (patch) | |
| tree | 025dd05376d12229dbd51e931f19ba388eeb5bca /drivers/mtd/devices | |
| parent | 85bdcf6b255e5197be6a6876d663256e9c164a78 (diff) | |
| download | linux-6b6d37377c4c4c5cd1d9505afbc4e2d3113707f2.tar.bz2 | |
mtd: st_spi_fsm: Add support for Macronix MX25L3255E
This patch adds support for the Macronix MX25L3255E device. Unlike the other
Macronix devices we have seen, this device supports WRITE_1_4_4 at reasonable
frequencies. Rather than masking out WRITE_1_4_4 support altogether, we now
rely on the table parameters to indicate whether or not WRITE_1_4_4 should be
used.
Signed-off-by: Angus Clark <angus.clark@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/devices')
| -rw-r--r-- | drivers/mtd/devices/st_spi_fsm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index a3d7334350d9..30082a09f68b 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -372,14 +372,20 @@ static struct flash_info flash_types[] = { { "m25px32", 0x207116, 0, 64 * 1024, 64, M25PX_FLAG, 75, NULL }, { "m25px64", 0x207117, 0, 64 * 1024, 128, M25PX_FLAG, 75, NULL }, + /* Macronix MX25xxx + * - Support for 'FLASH_FLAG_WRITE_1_4_4' is omitted for devices + * where operating frequency must be reduced. + */ #define MX25_FLAG (FLASH_FLAG_READ_WRITE | \ FLASH_FLAG_READ_FAST | \ FLASH_FLAG_READ_1_1_2 | \ FLASH_FLAG_READ_1_2_2 | \ FLASH_FLAG_READ_1_1_4 | \ - FLASH_FLAG_READ_1_4_4 | \ FLASH_FLAG_SE_4K | \ FLASH_FLAG_SE_32K) + { "mx25l3255e", 0xc29e16, 0, 64 * 1024, 64, + (MX25_FLAG | FLASH_FLAG_WRITE_1_4_4), 86, + stfsm_mx25_config}, { "mx25l25635e", 0xc22019, 0, 64*1024, 512, (MX25_FLAG | FLASH_FLAG_32BIT_ADDR | FLASH_FLAG_RESET), 70, stfsm_mx25_config }, |