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 18-09-2013. 07-10-2013. 08-01-2014.