Kernel MMC
From OMAPpedia
Contents |
[edit] Overview
This page is specific to the MMC driver feature development on OMAP2+ platforms. All of the ongoing development on the MMC / SD driver all listed here.
[edit] List of built-in eMMC Devices on OMAP platforms
| ZOOM2 | 3630-SDP | ZOOM3 | OMAP4 ES1.0 | OMAP4 ES2.x |
| Sandisk SDIN3C2-16GB | SanDisk 16GB Ver. 4.21 | SanDisk 16GB Ver. 4.21 | Toshiba 32GB Ver. 4.3 | SanDisk 8GB Ver. 4.41 |
[edit] HSMMC(Omap MMC/SD/SDIO controller) feature
- OMAP-4430
- SDA 2.0
- MMC4.41
- Dual data rate transfers (DDR mode) as specified in JEDEC JC64
- SDMA transfer mode for all 5 controllers
- ADMA transfer mode for controller 1,2
[edit] In-build SDIO/WLAN chip
[edit] MMC Support availability on mainline linux kernel
- Core MMC support
- OMAP3xxx: Available on 2.6.33
- OMAP4 : Available on 2.6.35+
- Card detect support
- OMAP3xxx: Available on 2.6.33
- OMAP4 : Available on 2.6.37+
[edit] Patches Submitted for review
Defect fixes are submitted to linux-mmc AT vger.kernel.org and linux-omap AT vger.kernel.org mailing lists.
[edit] MMC features under development (yet to be upstreamed)
- 1) MMC ADMA2 scatterlist support for OMAP4 controllers - has dependency on DMA engine adaptations for OMAP
- 2) AutoCMD12 support
- 3) SDXC/UHS support
- 4) Async request adaptations for SDIO.
[edit] Contact / Support
TI Contacts:Venkatraman S: <svenkatr at TI dot com>, Balaji TK <balajitk at TI dot com>, Vish Puttagunta <vishp at TI dot com>
Kernel mailing lists: linux-mmc AT vger.kernel.org , linux-omap AT vger.kernel.org