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* drivers: ddr: Add DDR2 SDRAM controller driver for Microchip PIC32.Purna Chandra Mandal2016-02-01-0/+497
This driver initializes PIC32 DDR2 SDRAM controller and internal DDR2 Phy module. DDR2 controller operates in half-rate mode (upto 533MHZ frequency). Signed-off-by: Paul Thacker <paul.thacker@microchip.com> Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>