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authorNick Foster <nick@nerdnetworks.org>2010-07-14 09:36:33 -0700
committerNick Foster <nick@nerdnetworks.org>2010-07-14 09:36:33 -0700
commit2e1222cc4228307ff762ff114b773956ef1937f3 (patch)
tree15d6fc325f07b6400c71b5b3231de18d1bdc0723
parent3ac97f05c32942ba06a88c39f5d16edd51ae6658 (diff)
parenteddfcda0a2c84edd4818836e812c6a95ea44cb99 (diff)
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Merge branch 'u2p' of ettus.sourcerepo.com:ettus/fpgapriv into u2p
-rw-r--r--usrp2/control_lib/bootram.v12
-rw-r--r--usrp2/top/u2plus/u2plus_core.v2
2 files changed, 7 insertions, 7 deletions
diff --git a/usrp2/control_lib/bootram.v b/usrp2/control_lib/bootram.v
index 648ccc9ed..5e527de90 100644
--- a/usrp2/control_lib/bootram.v
+++ b/usrp2/control_lib/bootram.v
@@ -5,7 +5,7 @@
// Spartan-3A Xilinx HDL Libraries Guide, version 10.1.1
module bootram
- (input clk,
+ (input clk, input reset,
input [12:0] if_adr,
output [31:0] if_data,
@@ -23,14 +23,14 @@ module bootram
wire [3:0] WEB;
assign if_data = if_adr[12] ? (if_adr[11] ? DOA3 : DOA2) : (if_adr[11] ? DOA1 : DOA0);
- assign dwb_dat_o = dwb_adr_i[12] ? (dwb_adr_i[11] ? DOA3 : DOA2) : (dwb_adr_i[11] ? DOA1 : DOA0);
+ assign dwb_dat_o = dwb_adr_i[12] ? (dwb_adr_i[11] ? DOB3 : DOB2) : (dwb_adr_i[11] ? DOB1 : DOB0);
always @(posedge clk)
- if(dwb_stb_i & ~dwb_ack_o)
- dwb_ack_o <= 1;
- else
+ if(reset)
dwb_ack_o <= 0;
-
+ else
+ dwb_ack_o <= dwb_stb_i & ~dwb_ack_o;
+
assign ENB0 = dwb_stb_i & (dwb_adr_i[12:11] == 2'b00);
assign ENB1 = dwb_stb_i & (dwb_adr_i[12:11] == 2'b01);
assign ENB2 = dwb_stb_i & (dwb_adr_i[12:11] == 2'b10);
diff --git a/usrp2/top/u2plus/u2plus_core.v b/usrp2/top/u2plus/u2plus_core.v
index 579e946e8..189a342cd 100644
--- a/usrp2/top/u2plus/u2plus_core.v
+++ b/usrp2/top/u2plus/u2plus_core.v
@@ -273,7 +273,7 @@ module u2plus_core
wire [31:0] if_dat_boot, if_dat_main;
assign if_dat = if_adr[15] ? if_dat_main : if_dat_boot;
- bootram bootram(.clk(wb_clk),
+ bootram bootram(.clk(wb_clk), .reset(wb_rst),
.if_adr(if_adr[12:0]), .if_data(if_dat_boot),
.dwb_adr_i(s0_adr[12:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
.dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel));