microwatt/litedram/gen-src
Benjamin Herrenschmidt 025cf5efe8 syscon: Add syscon registers
These provides some info about the SoC (though it's still somewhat
incomplete and needs more work, see comments).

There's also a control register for selecting DRAM vs. BRAM at 0
(and for soft-resetting the SoC but that isn't wired up yet).

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
..
sdram_init syscon: Add syscon registers
arty.yml litedram: Add basic support for LiteX LiteDRAM
generate.py litedram: Add basic support for LiteX LiteDRAM
nexys-video.yml litedram: Add basic support for LiteX LiteDRAM
wrapper-mw-init.vhdl litedram: Add basic support for LiteX LiteDRAM
wrapper-self-init.vhdl litedram: Add basic support for LiteX LiteDRAM