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| author | Poddar, Sourav <sourav.poddar@ti.com> | 2013-10-07 15:53:01 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-10-07 17:55:51 +0530 |
| commit | 004f15b6000e220b74433b190e60805ce8776d92 (patch) | |
| tree | 33fdceed2d361fffdc0d9f8f7f0282b425c0d978 /drivers/mtd/spi/sf_probe.c | |
| parent | 62d206dc3126914f187cfb72e8a7c6cf84c19b7c (diff) | |
| download | olio-uboot-2014.01-004f15b6000e220b74433b190e60805ce8776d92.tar.xz olio-uboot-2014.01-004f15b6000e220b74433b190e60805ce8776d92.zip | |
sf: Add memory mapped read support
Qspi controller can have a memory mapped port which can be used for
data read. Added support to enable memory mapped port read.
This patch enables the following:
- It enables exchange of memory map address between mtd and qspi
through the introduction of "memory_map" flag.
- Add support to communicate to the driver that memory mapped
transfer is to be started through introduction of new flags like
"SPI_XFER_MEM_MAP" and "SPI_XFER_MEM_MAP_END".
This will enable the spi controller to do memory mapped configurations
if required.
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Diffstat (limited to 'drivers/mtd/spi/sf_probe.c')
| -rw-r--r-- | drivers/mtd/spi/sf_probe.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 15256369e..6aa7086c4 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -203,6 +203,7 @@ struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, u8 *idcode) flash->page_size = (ext_jedec == 0x4d00) ? 512 : 256; flash->sector_size = params->sector_size; flash->size = flash->sector_size * params->nr_sectors; + flash->memory_map = spi->memory_map; /* Compute erase sector and command */ if (params->flags & SECT_4K) { |