diff options
Diffstat (limited to 'src/rtl/trng_mixer.v')
| -rw-r--r-- | src/rtl/trng_mixer.v | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/src/rtl/trng_mixer.v b/src/rtl/trng_mixer.v index 24ccaaa..449dc5c 100644 --- a/src/rtl/trng_mixer.v +++ b/src/rtl/trng_mixer.v @@ -214,8 +214,7 @@ module trng_mixer( reg restart_reg; reg restart_new; - reg [31 : 0] read_data_new; - reg [31 : 0] read_data_reg; + reg [31 : 0] tmp_read_data; //---------------------------------------------------------------- @@ -248,7 +247,7 @@ module trng_mixer( //---------------------------------------------------------------- // Concurrent connectivity for ports etc. //---------------------------------------------------------------- - assign read_data = read_data_reg; + assign read_data = tmp_read_data; assign error = tmp_error; assign security_error = 0; @@ -349,16 +348,12 @@ module trng_mixer( entropy_timeout_reg <= DEFAULT_ENTROPY_TIMEOUT; entropy_timeout_ctr_reg <= 24'h000000; entropy_collect_ctrl_reg <= CTRL_IDLE; - read_data_reg <= 32'h00000000; mixer_ctrl_reg <= CTRL_IDLE; end else begin restart_reg <= restart_new; - if (cs) - read_data_reg <= read_data_new; - if (block00_we) block00_reg <= muxed_entropy; @@ -493,7 +488,7 @@ module trng_mixer( restart_new = 0; entropy_timeout_new = 24'h000000; entropy_timeout_we = 0; - read_data_new = 32'h00000000; + tmp_read_data = 32'h00000000; tmp_error = 0; if (cs) @@ -530,17 +525,17 @@ module trng_mixer( // Read operations. ADDR_MIXER_CTRL: begin - read_data_new = {30'h00000000, restart_reg, enable_reg}; + tmp_read_data = {30'h00000000, restart_reg, enable_reg}; end ADDR_MIXER_STATUS: begin - read_data_new = 32'h00000000; + tmp_read_data = 32'h00000000; end ADDR_MIXER_TIMEOUT: begin - read_data_new = {8'h00, entropy_timeout_reg}; + tmp_read_data = {8'h00, entropy_timeout_reg}; end default: |