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[U-Boot,v5,32/32] doc: SPI: Add status.txt for tracking SPI subsys status

Message ID 64176c53-19d2-48c2-92ab-410d6f3e16a0@DB9EHSMHS026.ehs.local
State Accepted
Delegated to: Jagannadha Sutradharudu Teki
Headers show

Commit Message

Jagannadha Sutradharudu Teki Oct. 2, 2013, 4:50 p.m. UTC 
doc/SPI/status.txt added to track the u-boot SPI subsystem status.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
---
Changes for v5:
        - none
Changes for v4:
        - none
Changes for v3:
        - none
Changes for v2:
	- none

 doc/SPI/status.txt | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 doc/SPI/status.txt
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Patch

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.