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[/] [openarty/] - Rev 48

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28 Including the updates and corrections from the wbuart32 project. dgisselq 2838d 08h /openarty/
27 Bus changes ... dgisselq 2838d 08h /openarty/
26 Adjusted the timing comments. dgisselq 2838d 08h /openarty/
25 The memory now works. However, the core speed has been lowered to 81.25MHz
to do this. The top level file is no longer fasttop.v, but toplevel.v.		 dgisselq 2846d 16h /openarty/
24 Here are the updates from the first (failed) attempt to try to integrate
the DDR3 SDRAM controller onto this board.		 dgisselq 2865d 12h /openarty/
23 Includes settings necessary for the Arty to load from flash builds, and to
reconfigure itself later.		 dgisselq 2875d 11h /openarty/
22 A useful script for programming the device, given that the current device
program includes a valid comms interface.		 dgisselq 2875d 11h /openarty/
21 Removed the OLED controller one additional clock from the bus. This was
necessary to maintain the 200MHz clock speed, especially given the growing
fanout of the device bus.		 dgisselq 2875d 11h /openarty/
20 Lots of bug fixes: After turning on XIP, and running in XIP mode, leaving XIP
mode turns it back off again, necessitating a new write to the VCon register.
Further, XIP mode starts in extended SPI mode, and only transfers in QSPI
mode for data. Finally, two new commands have been created: enabling the
SPI memory reset, and actually resetting the SPI memory. In general, these
are all better--as the EQSPI flash controller now works with these changes,
whereby it didn't really work without them before.		 dgisselq 2875d 11h /openarty/
19 Creates an LED mask portion of writing to the LED's register. Only those
bits specified in the mask (bits [7:4]) will be adjusted in the LED
register on a write. Hence to set all on, set the LED register to 0x0ff,
all off, 0x0f0, or to set LED 0 to on while leaving the others unchanged,
set it to 0x011.		 dgisselq 2875d 11h /openarty/

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