[Cryptech-Commits] [core/platform/alpha] branch master updated: Add a build target for hsm_ng, but cut the ModExpNG clock back to 90MHz.

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paul at psgd.org pushed a commit to branch master
in repository core/platform/alpha.

The following commit(s) were added to refs/heads/master by this push:
     new ca80f73  Add a build target for hsm_ng, but cut the ModExpNG clock back to 90MHz.
ca80f73 is described below

commit ca80f73a83dca188bd283a0a43ee5af2d36b08c8
Author: Paul Selkirk <paul at psgd.org>
AuthorDate: Wed Feb 26 00:30:58 2020 -0500

    Add a build target for hsm_ng, but cut the ModExpNG clock back to 90MHz.
    
    Builds fail to meet timing at 180MHz, so I need to cut it back until it
    can be made to work for everybody.
---
 build/Makefile      | 2 +-
 rtl/alpha_fmc_top.v | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/build/Makefile b/build/Makefile
index 218e444..27c90ef 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -39,7 +39,7 @@ core_selector.v core_vfiles.mk:
 
 # Build some different configurations
 
-bare trng hash mkmif rsa hsm hsm-super:
+bare trng hash mkmif rsa hsm hsm-super hsm_ng:
 	$(CONFIG_GEN) -p $@
 	$(MAKE) project=$(project)_$@ ucf=$(ucf)
 
diff --git a/rtl/alpha_fmc_top.v b/rtl/alpha_fmc_top.v
index 09229b5..2206a89 100644
--- a/rtl/alpha_fmc_top.v
+++ b/rtl/alpha_fmc_top.v
@@ -72,7 +72,7 @@ module alpha_fmc_top
     wire sys_rst_n; // active-low system reset
     wire core_clk;  // high-speed core clock (45*N MHz)
 
-    alpha_clkmgr #(.CLK_CORE_MULT(4)) clkmgr
+    alpha_clkmgr #(.CLK_CORE_MULT(2)) clkmgr
     (
         .fmc_clk    (fmc_clk),
     

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