microwatt/litedram
Benjamin Herrenschmidt bf1b98b958 litedram: Add support for booting without BRAM
This adds an option to disable the main BRAM and instead copy a
payload stashed along with the init code in the secondary BRAM
into DRAM and boot from there

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
..
extras litedram: Add support for booting without BRAM
gen-src litedram: Add support for booting without BRAM
generated litedram: Add support for booting without BRAM
litedram.core litedram: Add basic support for LiteX LiteDRAM