diff options
| author | Joachim StroĢmbergson <joachim@secworks.se> | 2015-09-21 17:01:57 +0200 |
|---|---|---|
| committer | Joachim StroĢmbergson <joachim@secworks.se> | 2015-09-21 17:01:57 +0200 |
| commit | 8dcb4d016e3f6fe18da0e00ddb21f3bf5859cd5b (patch) | |
| tree | b971f3378ff8bd62e2f6476cd3a1e207637ca60e /src/rtl | |
| parent | d65865e850a3ff75526702a19b5d5f0fd6e4fedd (diff) | |
Added control FSM states to handle entropy for testing. Nits: Changed to localparam.
Diffstat (limited to 'src/rtl')
| -rw-r--r-- | src/rtl/trng_mixer.v | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/src/rtl/trng_mixer.v b/src/rtl/trng_mixer.v index 449dc5c..0d565c7 100644 --- a/src/rtl/trng_mixer.v +++ b/src/rtl/trng_mixer.v @@ -80,30 +80,32 @@ module trng_mixer( //---------------------------------------------------------------- // Internal constant and parameter definitions. //---------------------------------------------------------------- - parameter MODE_SHA_512 = 2'h3; - - parameter ENTROPY_IDLE = 4'h0; - parameter ENTROPY_SRC0 = 4'h1; - parameter ENTROPY_SRC0_ACK = 4'h2; - parameter ENTROPY_SRC1 = 4'h3; - parameter ENTROPY_SRC1_ACK = 4'h4; - parameter ENTROPY_SRC2 = 4'h5; - parameter ENTROPY_SRC2_ACK = 4'h6; - - parameter CTRL_IDLE = 4'h0; - parameter CTRL_COLLECT = 4'h1; - parameter CTRL_MIX = 4'h2; - parameter CTRL_SYN = 4'h3; - parameter CTRL_ACK = 4'h4; - parameter CTRL_NEXT = 4'h5; - - parameter ADDR_MIXER_CTRL = 8'h10; - parameter MIXER_CTRL_ENABLE_BIT = 0; - parameter MIXER_CTRL_RESTART_BIT = 1; - parameter ADDR_MIXER_STATUS = 8'h11; - parameter ADDR_MIXER_TIMEOUT = 8'h20; - - parameter DEFAULT_ENTROPY_TIMEOUT = 24'h100000; + localparam MODE_SHA_512 = 2'h3; + + localparam ENTROPY_IDLE = 4'h0; + localparam ENTROPY_SRC0 = 4'h1; + localparam ENTROPY_SRC0_ACK = 4'h2; + localparam ENTROPY_SRC1 = 4'h3; + localparam ENTROPY_SRC1_ACK = 4'h4; + localparam ENTROPY_SRC2 = 4'h5; + localparam ENTROPY_SRC2_ACK = 4'h6; + localparam TEST_ENTROPY = 4'he; + localparam TEST_ENTROPY_ACK = 4'hf; + + localparam CTRL_IDLE = 4'h0; + localparam CTRL_COLLECT = 4'h1; + localparam CTRL_MIX = 4'h2; + localparam CTRL_SYN = 4'h3; + localparam CTRL_ACK = 4'h4; + localparam CTRL_NEXT = 4'h5; + + localparam ADDR_MIXER_CTRL = 8'h10; + localparam MIXER_CTRL_ENABLE_BIT = 0; + localparam MIXER_CTRL_RESTART_BIT = 1; + localparam ADDR_MIXER_STATUS = 8'h11; + localparam ADDR_MIXER_TIMEOUT = 8'h20; + + localparam DEFAULT_ENTROPY_TIMEOUT = 24'h100000; //---------------------------------------------------------------- |