Sd/Mmc - Embest SBC8600B User Manual

Embest Technology Co., Ltd
User->System Call->VFS->Block Device Driver->MTD->NAND Flash Driver->NAND
Flash.
Drivers and relevant documents:
Linux-4.1/drivers/mtd/nand/
Linux-4.1/drivers/mtd/nand/omap2.c

3.7.3 SD/MMC

Kernel (Generic disk handler,File system)
MMC/SD CORE
MMC/SD CONTROLLER DRIVER
HARDWARE(MMC/SD/SDIO CONTROLLER)
SD/MMC card drivers in Linux mainly include SD/MMC core, mmc_block,
mmc_queue and SD/MMC driver:
1） SD/MMC core realizes the codes unrelated to structure in the SD/MMC card
operation.
Copyright © 2017 Embest Technology
App,System call
MMC_QUEUE
MMC_BLOCK
Modular structure for SD/MMC
Figure 3-4
BUFFER_CACHE
SBC8600B-UM-V2.0
40
User
Kernel
Hardware