136499549SJagannadha Sutradharudu TekiStatus on SPI subsystem: 236499549SJagannadha Sutradharudu Teki======================= 336499549SJagannadha Sutradharudu Teki 436499549SJagannadha Sutradharudu TekiSPI COMMAND (common/cmd_sf, cmd_spi): 536499549SJagannadha Sutradharudu Teki- 636499549SJagannadha Sutradharudu Teki 736499549SJagannadha Sutradharudu TekiSPI FLASH (drivers/mtd/spi): 836499549SJagannadha Sutradharudu Teki- sf_probe.c: SPI flash probing code. 936499549SJagannadha Sutradharudu Teki- sf_ops.c: SPI flash operations code. 1036499549SJagannadha Sutradharudu Teki- sf.c: SPI flash interface, which interacts controller driver. 1136499549SJagannadha Sutradharudu Teki- Bank Address Register (Accessing flashes > 16Mbytes in 3-byte addressing) 123cfcf774SJagannadha Sutradharudu Teki- Added memory_mapped support for read operations. 1336499549SJagannadha Sutradharudu Teki- Common probe support for all supported flash vendors except, ramtron. 14*736ce857SJagannadha Sutradharudu Teki- Extended read commands support(dual read, dual IO read) 15*736ce857SJagannadha Sutradharudu Teki- Quad Page Program support. 16*736ce857SJagannadha Sutradharudu Teki- Quad Read support(quad fast read, quad IO read) 17*736ce857SJagannadha Sutradharudu Teki- Dual flash connection topology support(accessing two spi flash memories with single cs) 18*736ce857SJagannadha Sutradharudu Teki- Banking support on dual flash connection topology. 1936499549SJagannadha Sutradharudu Teki 2036499549SJagannadha Sutradharudu TekiSPI DRIVERS (drivers/spi): 2136499549SJagannadha Sutradharudu Teki- 2236499549SJagannadha Sutradharudu Teki 2336499549SJagannadha Sutradharudu TekiTODO: 243cfcf774SJagannadha Sutradharudu Teki- Runtime detection of spi_flash params, SFDP(if possible) 253cfcf774SJagannadha Sutradharudu Teki- Add support for multibus build/accessing. 2636499549SJagannadha Sutradharudu Teki- Need proper cleanups on spi_flash and drivers. 2736499549SJagannadha Sutradharudu Teki 2836499549SJagannadha Sutradharudu Teki-- 2936499549SJagannadha Sutradharudu TekiJagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> 3036499549SJagannadha Sutradharudu Teki18-09-2013. 313cfcf774SJagannadha Sutradharudu Teki07-10-2013. 32*736ce857SJagannadha Sutradharudu Teki08-01-2014. 33