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* ppc: mpc8xxx: add DDR3 supportRenaud Barbier2014-03-191-0/+193
Add DDR3 support into the MPC8xxx DDR driver. To avoid confusion, the function set_ddr_sdram_mode is renamed set_ddr2_sdram_mode. Checking for errors is simplified in the DDR2 DIMM parameters computation to be consistent with DDR3. This code is derived from the files found in directory drivers/ddr/fsl from U-Boot version git-be937b5. Signed-off-by: Renaud Barbier <renaud.barbier@ge.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>