zynq: Add new ddrc driver for ECC support
The first 1MB is not initialized by first stage bootloader. Check if memory is setup to 16bit mode and ECC is enabled. If it is, clear the first 1MB. Also u-boot should report only the half size of memory. Acked-by: NJagannadha Sutradharudu Teki <jaganna@xilinx.com> Signed-off-by: NMichal Simek <michal.simek@xilinx.com>
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arch/arm/cpu/armv7/zynq/ddrc.c
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