OMAPStorageDomainPatchStaus

From OMAPpedia

The OMAP Storage domain is about all storage technologies in OMAP - MMC/eMMC/SD/SDIO/NAND/NOR

Please refer OMAP4_Upstream_Patch_Status_and_Plan for other domains.

Kernel 3.2 merge window plans

• Enable AutoCMD12 support for OMAP HSMMC
• Various minor code cleanups (loops-per-jiffies removal etc) in omap hsmmc.

Kernel 3.3 merge window plans

• eMMC 4.41 - High Priority Interrupt feature
• Controller driver updates for SD3.0 specifications [1] compliance

Completed development and available upstream

• MMC HWMOD
  • This is available in 2.6.39 and above

• MMC dynamic power management (runtime PM)
  • There have been various proposals from MMC core stack developers in linux-mmc mailing list
  • OMAP HSMMC runtime PM adaptations are merged in 3.1-rc1 merge window

• nand prefetch-irq support and ecc layout chanage
  • This has been posted out and would be available in the 2.6.39 merge cycle

• nand bch error correction support
  • This has been posted out and some comments have been received.

• Controller driver for MMC ADMA
  • Initial versions were posted in Jan 2011. A proposal has been made to adopt the ADMA to the generic DMA engine API
  • This feature is deferred till OMAP DMA driver is adapted to DMA Engine API

• Mux framework adaptations
  • It is required to adapt the MMC pad configurations to the new MUX framework, to reduce the dependency on bootloader based configurations
  • This has not been implemented yet.