diff options
| author | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-12-24 15:24:31 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-01-11 15:13:27 +0530 |
| commit | c4ba0d82d329791c3f0456d88e93032b11e48535 (patch) | |
| tree | 4514b926ce236e9b23ae4054afec41b3ea32484e /drivers | |
| parent | 33adfb5f9b06ac1a386dddc222cc50e24a9909e2 (diff) | |
| download | blackbird-obmc-uboot-c4ba0d82d329791c3f0456d88e93032b11e48535.tar.gz blackbird-obmc-uboot-c4ba0d82d329791c3f0456d88e93032b11e48535.zip | |
sf: Add QUAD_IO_FAST read support
This patch adds support QUAD_IO_FAST read command.
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/spi/sf_internal.h | 1 | ||||
| -rw-r--r-- | drivers/mtd/spi/sf_probe.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index dca34f7a71..7be02925c8 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -45,6 +45,7 @@ #define CMD_READ_DUAL_OUTPUT_FAST 0x3b #define CMD_READ_DUAL_IO_FAST 0xbb #define CMD_READ_QUAD_OUTPUT_FAST 0x6b +#define CMD_READ_QUAD_IO_FAST 0xeb #define CMD_READ_ID 0x9f /* Bank addr access commands */ diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index d95c8b9ae3..a049e729a1 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -25,6 +25,7 @@ static u8 spi_read_cmds_array[] = { CMD_READ_DUAL_OUTPUT_FAST, CMD_READ_DUAL_IO_FAST, CMD_READ_QUAD_OUTPUT_FAST, + CMD_READ_QUAD_IO_FAST, }; static int spi_flash_set_qeb(struct spi_flash *flash, u8 idcode0) @@ -131,6 +132,7 @@ static struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, /* Set the quad enable bit - only for quad commands */ if ((flash->read_cmd == CMD_READ_QUAD_OUTPUT_FAST) || + (flash->read_cmd == CMD_READ_QUAD_IO_FAST) || (flash->write_cmd == CMD_QUAD_PAGE_PROGRAM)) { if (spi_flash_set_qeb(flash, idcode[0])) { debug("SF: Fail to set QEB for %02x\n", idcode[0]); |
