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34.2.2 Menu Configuration Options

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Dec 9th, 2015
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  1. 34.2.2 Menu Configuration Options
  2. The following Linux kernel configuration options are provided for this module.
  3. • CONFIG_MMC builds support for the MMC bus protocol. In menuconfig, this
  4. option is available under:
  5. • Device Drivers > MMC/SD/SDIO Card support
  6. • By default, this option is Y.
  7. • CONFIG_MMC_BLOCK builds support for MMC block device driver which can be
  8. used to mount the file system. In menuconfig, this option is available under:
  9. • Device Drivers > MMC/SD Card Support > MMC block device driver
  10. • By default, this option is Y.
  11. i.MX 6 Linux Reference Manual, Rev. L3.10.53_1.1.0-ga, 01/2015
  12. 256
  13. Freescale Semiconductor, Inc.Chapter 34 MMC/SD/SDIO Host Driver
  14. • CONFIG_MMC_SDHCI_ESDHC_IMX is used for the i.MX USDHC ports. In
  15. menuconfig, this option is found under:
  16. • Device Drivers > MMC/SD Card Support > Secure Digital Host Controller
  17. Interface support > SDHCI support on the platform specific bus > SDHCI
  18. platform support for the Freescale eSDHC i.MX controller
  19. To compile SDHCI driver as a loadable module, several options should be selected
  20. as indicated below:
  21. • CONFIG_MMC_SDHCI=m, it can be found at Device Drivers > MMC/SD Card
  22. Support > Secure Digital Host Controller Interface support
  23. • CONFIG_MMC_SDHCI_PLTFM=m, it can be found at Device Drivers >
  24. MMC/SD Card Support > Secure Digital Host Controller Interface support >
  25. SDHCI support on the platform specific bus.
  26. • CONFIG_MMC_SDHCI_ESDHC_IMX=y, it can be found at Device Drivers >
  27. MMC/SD Card Support > Secure Digital Host Controller Interface support >
  28. SDHCI support on the platform specific bus > SDHCI platform support for the
  29. Freescale eSDHC i.MX controller
  30. To compile SDHCI driver as a builttin module, several options should be selected as
  31. indicated below:
  32. • CONFIG_MMC_SDHCI=y, it can be found at Device Drivers > MMC/SD Card
  33. Support > Secure Digital Host Controller Interface support
  34. • CONFIG_MMC_SDHCI_PLTFM=y, it can be found at Device Drivers >
  35. MMC/SD Card Support > Secure Digital Host Controller Interface support >
  36. SDHCI support on the platform specific bus.
  37. • CONFIG_MMC_SDHCI_ESDHC_IMX=y, it can be found at Device Drivers >
  38. MMC/SD Card Support > Secure Digital Host Controller Interface support >
  39. SDHCI support on the platform specific bus > SDHCI platform support for the
  40. Freescale eSDHC i.MX controller
  41. • CONFIG_MMC_UNSAFE_RESUME is used for embedded systems which use a
  42. MMC/SD/SDIO card for rootfs. In menuconfig, this option is found under:
  43. • Device drivers > MMC/SD/SDIO Card Support > Assume MMC/SD cards are
  44. non-removable.
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