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| author | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-09-26 15:55:52 +0530 |
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| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-10-07 17:55:50 +0530 |
| commit | 364995499c14461c59bc16031b2a8f618f520b32 (patch) | |
| tree | 34d61620f559ba3e6c5059f57813833d45d56312 /doc | |
| parent | 898e76c938eb169fd19733d4e4c44ba26c6dbd87 (diff) | |
| download | u-boot-imx-364995499c14461c59bc16031b2a8f618f520b32.zip u-boot-imx-364995499c14461c59bc16031b2a8f618f520b32.tar.gz u-boot-imx-364995499c14461c59bc16031b2a8f618f520b32.tar.bz2 | |
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>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/SPI/status.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/SPI/status.txt b/doc/SPI/status.txt new file mode 100644 index 0000000..6050e4a --- /dev/null +++ b/doc/SPI/status.txt @@ -0,0 +1,28 @@ +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) +- Common probe support for all supported flash vendors except, ramtron. + +SPI DRIVERS (drivers/spi): +- + +TODO: +- Runtime detection of spi_flash params(if possible) +- 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. +- Need proper cleanups on spi_flash and drivers. + +-- +Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> +18-09-2013. |