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authorJosh Blum <josh@joshknows.com>2010-12-14 13:11:09 -0800
committerJosh Blum <josh@joshknows.com>2010-12-14 13:11:09 -0800
commite4dc2a1c5688ab5c14285628a32212333b84f46f (patch)
treefb826bd00d5054459b756964a72b82ec21ce2556 /usrp2
parentab9edbfbcb065b3ec380992b3b5836833ce92b4b (diff)
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zpu: working, modified top level sizes, disable interrupt
Diffstat (limited to 'usrp2')
-rw-r--r--usrp2/top/u2_rev3/u2_core.v11
-rw-r--r--usrp2/top/u2_rev3/u2_rev3.v2
2 files changed, 5 insertions, 8 deletions
diff --git a/usrp2/top/u2_rev3/u2_core.v b/usrp2/top/u2_rev3/u2_core.v
index fff7ab914..97de38a82 100644
--- a/usrp2/top/u2_rev3/u2_core.v
+++ b/usrp2/top/u2_rev3/u2_core.v
@@ -286,12 +286,10 @@ module u2_core
// ///////////////////////////////////////////////////////////////////
// RAM Loader
- wire [31:0] ram_loader_dat, if_dat;
+ wire [31:0] ram_loader_dat;
wire [15:0] ram_loader_adr;
- wire [14:0] if_adr;
wire [3:0] ram_loader_sel;
wire ram_loader_stb, ram_loader_we;
- wire iwb_ack, iwb_stb;
ram_loader #(.AWIDTH(aw),.RAM_SIZE(RAM_SIZE))
ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst),
.wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr),
@@ -323,12 +321,12 @@ module u2_core
wire [63:0] zpu_status;
zpu_wb_top #(.dat_w(dw), .adr_w(aw), .sel_w(sw))
- zpu_top0 (.clk(wb_clk), .rst(wb_rst), .enb(1'b1),
+ zpu_top0 (.clk(wb_clk), .rst(wb_rst), .enb(ram_loader_done),
// Data Wishbone bus to system bus fabric
.we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr),
.dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),
// Interrupts and exceptions
- .zpu_status(zpu_status), .interrupt(proc_int));
+ .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
// /////////////////////////////////////////////////////////////////////////
// Dual Ported RAM -- D-Port is Slave #0 on main Wishbone
@@ -343,8 +341,7 @@ module u2_core
.ram_loader_we_i(ram_loader_we),
.ram_loader_done_i(ram_loader_done),
- .if_adr(if_adr),
- .if_data(if_dat),
+ .if_adr(16'b0), .if_data(),
.dwb_adr_i(s0_adr[RAM_AW-1:0]), .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),
diff --git a/usrp2/top/u2_rev3/u2_rev3.v b/usrp2/top/u2_rev3/u2_rev3.v
index f2bba6c50..759f7b7b8 100644
--- a/usrp2/top/u2_rev3/u2_rev3.v
+++ b/usrp2/top/u2_rev3/u2_rev3.v
@@ -471,7 +471,7 @@ module u2_rev3
//
- u2_core #(.RAM_SIZE(32768))
+ u2_core #(.RAM_SIZE(16384), .RAM_AW(14))
u2_core(.dsp_clk (dsp_clk),
.wb_clk (wb_clk),
.clock_ready (clock_ready),