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authorJoachim StroĢˆmbergson <joachim@secworks.se>2015-10-05 13:11:33 +0200
committerJoachim StroĢˆmbergson <joachim@secworks.se>2015-10-05 13:11:33 +0200
commit6afba1ff3ec4b4f6f7e31f788d86206b8b53748d (patch)
tree5a9eb22f22f8c3e726a971b2881029809cf4ddb6 /src/rtl
parent8dcb4d016e3f6fe18da0e00ddb21f3bf5859cd5b (diff)
(1) Changed API addresses for ctrl and status registers - HEADSUP: this might break SW that tries to do discard. Updated core version to reflect api changes. (2) Added support for reading discard and test mode bits in control register.
Diffstat (limited to 'src/rtl')
-rw-r--r--src/rtl/trng.v8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/rtl/trng.v b/src/rtl/trng.v
index 728fa39..06af515 100644
--- a/src/rtl/trng.v
+++ b/src/rtl/trng.v
@@ -76,17 +76,18 @@ module trng(
localparam ADDR_NAME1 = 8'h01;
localparam ADDR_VERSION = 8'h02;
- localparam ADDR_TRNG_CTRL = 8'h10;
+ localparam ADDR_TRNG_CTRL = 8'h08;
localparam TRNG_CTRL_DISCARD_BIT = 0;
localparam TRNG_CTRL_TEST_MODE_BIT = 1;
- localparam ADDR_TRNG_STATUS = 8'h11;
+ localparam ADDR_TRNG_STATUS = 8'h09;
+
localparam ADDR_DEBUG_CTRL = 8'h12;
localparam ADDR_DEBUG_DELAY = 8'h13;
localparam TRNG_NAME0 = 32'h74726e67; // "trng"
localparam TRNG_NAME1 = 32'h20202020; // " "
- localparam TRNG_VERSION = 32'h302e3530; // "0.50"
+ localparam TRNG_VERSION = 32'h302e3531; // "0.51"
// 20x/s @ 50 MHz.
localparam DEFAULT_DEBUG_DELAY = 32'h002625a0;
@@ -556,6 +557,7 @@ module trng(
ADDR_TRNG_CTRL:
begin
+ trng_api_read_data = {30'h0000000, test_mode_reg, discard_reg};
end
ADDR_TRNG_STATUS: