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doc: SPI: Add status.txt for tracking SPI subsys status
doc/SPI/status.txt added to track the u-boot SPI subsystem status. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
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doc/SPI/status.txt
| 1 | +Status on SPI subsystem: | |
| 2 | +======================= | |
| 3 | + | |
| 4 | +SPI COMMAND (common/cmd_sf, cmd_spi): | |
| 5 | +- | |
| 6 | + | |
| 7 | +SPI FLASH (drivers/mtd/spi): | |
| 8 | +- sf_probe.c: SPI flash probing code. | |
| 9 | +- sf_ops.c: SPI flash operations code. | |
| 10 | +- sf.c: SPI flash interface, which interacts controller driver. | |
| 11 | +- Bank Address Register (Accessing flashes > 16Mbytes in 3-byte addressing) | |
| 12 | +- Common probe support for all supported flash vendors except, ramtron. | |
| 13 | + | |
| 14 | +SPI DRIVERS (drivers/spi): | |
| 15 | +- | |
| 16 | + | |
| 17 | +TODO: | |
| 18 | +- Runtime detection of spi_flash params(if possible) | |
| 19 | +- Extended read commands support(dual read, dual IO read) | |
| 20 | +- Quad Page Program support. | |
| 21 | +- Quad Read support(quad fast read, quad IO read) | |
| 22 | +- Dual flash connection topology support(accessing two spi flash memories with single cs) | |
| 23 | +- Banking support on dual flash connection topology. | |
| 24 | +- Need proper cleanups on spi_flash and drivers. | |
| 25 | + | |
| 26 | +-- | |
| 27 | +Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> | |
| 28 | +18-09-2013. |