ol2/tt_top: mask_rev support

TinyTapeout · Nov 6, 2023 · 8201885 · 8201885
1 parent 84922e8
commit 8201885
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Showing 5 changed files with 12 additions and 0 deletions.
diff --git a/ol2/tt_top/openframe_project_wrapper.v b/ol2/tt_top/openframe_project_wrapper.v
@@ -114,6 +114,7 @@ module openframe_project_wrapper (
 		.io_out      (gpio_out[37:0]),
 		.io_oeb      (gpio_oeb[37:0]),
 		.user_clock2 (k_zero),
+		.mask_rev    (mask_rev),
 		.k_zero      (k_zero),
 		.k_one       (k_one)
 	);

diff --git a/ol2/tt_top/tt_um_tpl.v b/ol2/tt_top/tt_um_tpl.v
@@ -18,6 +18,7 @@ module {mod_name} (
 	input  wire [7:0] uio_in,
 	output wire [7:0] uio_out,
 	output wire [7:0] uio_oe,
+	input  wire [31:0] mask_rev,
 	input  wire       ena,
 	input  wire       clk,
 	input  wire       rst_n

diff --git a/py/tt.py b/py/tt.py
@@ -113,6 +113,7 @@ def __init__(self, placer, cfg_data):
 		self.height = cfg_data.get('height', 1)
 		self.pg_vdd = cfg_data.get('pg_vdd', False)
 		self.analog = cfg_data.get('analog', False)
+		self.mask_rev = cfg_data.get('mask_rev', False)
 
 	def as_dict(self):
 		return {
@@ -125,6 +126,7 @@ def as_dict(self):
 			'height': self.height,
 			'pg_vdd': self.pg_vdd,
 			'analog': self.analog,
+			'mask_rev': self.mask_rev,
 		}
 
 	@property

diff --git a/rtl/tt_top.v b/rtl/tt_top.v
@@ -28,6 +28,9 @@ module tt_top #(
 	// From caravel
 	input  wire user_clock2,
 
+	// For Tim Edwards - mask_rev
+	input  wire [31:0] mask_rev,
+
 	// Convenient constants for top-level tie-offs
 	output wire k_zero,
 	output wire k_one
@@ -237,6 +240,7 @@ module tt_top #(
 					.ana    (l_um_ana[j*N_A+:N_A]),
 					.ow     (l_um_ow[j*U_OW+:U_OW]),
 					.iw     (l_um_iw[j*U_IW+:U_IW]),
+					.mask_rev(mask_rev),
 					.ena    (l_um_ena[j]),
 					.k_zero (l_um_k_zero[j]),
 					.pg_vdd (l_um_pg_vdd[j])

diff --git a/rtl/tt_user_module.v.mak b/rtl/tt_user_module.v.mak
@@ -30,6 +30,7 @@ module tt_user_module #(
 	inout  wire   [N_A-1:0] ana,
 	output wire  [N_OW-1:0] ow,
 	input  wire  [N_IW-1:0] iw,
+	input  wire  [31:0] mask_rev,
 	input  wire             ena,
 	input  wire             k_zero,
 	input  wire             pg_vdd
@@ -53,6 +54,9 @@ module tt_user_module #(
 			tt_um_${mod.name} tt_um_I (
 % if mod.analog:
 				.ua      (ana),
+% endif
+% if mod.mask_rev:
+				.mask_rev (mask_rev),
 % endif
 				.uio_in  (uio_in),
 				.uio_out (uio_out),