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- Status on SPI subsystem:
- =======================
- SPI COMMAND (common/cmd_sf, cmd_spi):
- -
- SPI FLASH (drivers/mtd/spi):
- - sf_probe.c: SPI flash probing code.
- - sf_ops.c: SPI flash operations code.
- - sf.c: SPI flash interface, which interacts controller driver.
- - Bank Address Register (Accessing flashes > 16Mbytes in 3-byte addressing)
- - Added memory_mapped support for read operations.
- - Common probe support for all supported flash vendors except, ramtron.
- - Extended read commands support(dual read, dual IO read)
- - Quad Page Program support.
- - Quad Read support(quad fast read, quad IO read)
- - Dual flash connection topology support(accessing two spi flash memories with single cs)
- - Banking support on dual flash connection topology.
- SPI DRIVERS (drivers/spi):
- -
- TODO:
- - Runtime detection of spi_flash params, SFDP(if possible)
- - Add support for multibus build/accessing.
- - Need proper cleanups on spi_flash and drivers.
- --
- Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
- 18-09-2013.
- 07-10-2013.
- 08-01-2014.
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