diff options
Diffstat (limited to 'src/rtl/trng_mixer.v')
| -rw-r--r-- | src/rtl/trng_mixer.v | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/src/rtl/trng_mixer.v b/src/rtl/trng_mixer.v index 97777ac..d192090 100644 --- a/src/rtl/trng_mixer.v +++ b/src/rtl/trng_mixer.v @@ -80,34 +80,36 @@ 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; + 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_NAME0 = 8'h00; localparam ADDR_NAME1 = 8'h01; localparam ADDR_VERSION = 8'h02; - 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; + 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; - parameter DEFAULT_ENTROPY_TIMEOUT = 24'h100000; + localparam DEFAULT_ENTROPY_TIMEOUT = 24'h100000; parameter CORE_NAME0 = 32'h726e676d; // "rngm" parameter CORE_NAME1 = 32'h69786572; // "ixer" |