Atmel (Multi-port DDR-)SDRAM Controller

modulename: atmel-sdramc.ko

configname: CONFIG_ATMEL_SDRAMC

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Controller drivers
└─>Device Tree and Open Firmware support
└─>Atmel (Multi-port DDR-)SDRAM Controller
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This driver is for Atmel SDRAM Controller or Atmel Multi-port
DDR-SDRAM Controller available on Atmel AT91SAM9 and SAMA5 SoCs.
Starting with the at91sam9g45, this controller supports SDR, DDR and
LP-DDR memories.

source code: