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3 Commits (52f2462232d6a8f979cbef06286de65ea7d085be)

Author SHA1 Message Date
Anton Blanchard aa1d2b16d7 litedram: Regenerate 
Regenerate from upstream litex. Something in the update has improved
memory read and write performance quite a lot on my Nexys Video:

Before:

  Write speed: 83.2MiB/s
   Read speed: 140.4MiB/s

After:

  Write speed: 352.1MiB/s
   Read speed: 218.5MiB/s

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
 3 years ago
Matt Johnston 5a3cdc8b22 litedram: disable block_until_ready, regenerate 
Recent litedram gets stuck at memtest unless block_until_ready=False.
(discussion in https://github.com/enjoy-digital/litedram/pull/292)

This change regenerates with latest litedram and litex
62abf9c ("litedram_gen: Add block_until_ready port parameter to control blocking behaviour.")
add2746a ("tools/litex_cli: Rename wb to bus.")

Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
 4 years ago
Benjamin Herrenschmidt d564672a82 Regenerate litedram and liteeth 
Note: There are a few patches to upstream to fix an upstream breakage
of litedram standalone generator, and fix some issues with liteeth
in the way it's used on Wukong. All these have pending pull requests.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 4 years ago