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authorJosh Blum <josh@joshknows.com>2013-03-25 16:08:03 -0700
committerJosh Blum <josh@joshknows.com>2013-03-25 16:08:03 -0700
commit8488eb09d7db13f67f38dc986b191fd6f3eeea2d (patch)
tree5d5026f8fb62b09332e49d72d2bbbe7a97881b94 /fpga/usrp2/top
parent55d450ba11d8ae46734e291d2876a4a2c9eaaba3 (diff)
parent404a84fcef665d262eee09ba10c841acdd7cbdf2 (diff)
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Merge branch 'maint'
Diffstat (limited to 'fpga/usrp2/top')
-rw-r--r--fpga/usrp2/top/B100/timing.ucf7
-rw-r--r--fpga/usrp2/top/B100/u1plus_core.v2
-rw-r--r--fpga/usrp2/top/E1x0/E1x0.v18
-rw-r--r--fpga/usrp2/top/E1x0/Makefile.E1101
-rw-r--r--fpga/usrp2/top/E1x0/timing.ucf4
-rw-r--r--fpga/usrp2/top/Makefile.common2
6 files changed, 24 insertions, 10 deletions
diff --git a/fpga/usrp2/top/B100/timing.ucf b/fpga/usrp2/top/B100/timing.ucf
index c4404e1d0..7b212a9a6 100644
--- a/fpga/usrp2/top/B100/timing.ucf
+++ b/fpga/usrp2/top/B100/timing.ucf
@@ -15,5 +15,10 @@ INST "GPIF_SLOE" TNM = gpif_net_out;
INST "GPIF_SLRD" TNM = gpif_net_out;
INST "GPIF_PKTEND" TNM = gpif_net_out;
-TIMEGRP "gpif_net_in" OFFSET = IN 7 ns VALID 14 ns BEFORE "IFCLK" RISING;
+TIMEGRP "gpif_net_in" OFFSET = IN 5 ns VALID 10 ns BEFORE "IFCLK" RISING;
TIMEGRP "gpif_net_out" OFFSET = OUT 7 ns AFTER "IFCLK" RISING;
+
+TIMESPEC TS_Pad2Pad = FROM PADS TO PADS 7 ns;
+
+NET PPS_IN TIG;
+NET debug_led* TIG;
diff --git a/fpga/usrp2/top/B100/u1plus_core.v b/fpga/usrp2/top/B100/u1plus_core.v
index 423282153..302565101 100644
--- a/fpga/usrp2/top/B100/u1plus_core.v
+++ b/fpga/usrp2/top/B100/u1plus_core.v
@@ -71,7 +71,7 @@ module u1plus_core
localparam SR_GPIO = 224; // 5
//compatibility number -> increment when the fpga has been sufficiently altered
- localparam compat_num = {16'd11, 16'd1}; //major, minor
+ localparam compat_num = {16'd11, 16'd2}; //major, minor
//assign run signals used for ATR logic
wire [NUM_RX_DSPS-1:0] run_rx_n;
diff --git a/fpga/usrp2/top/E1x0/E1x0.v b/fpga/usrp2/top/E1x0/E1x0.v
index 8efb056e9..44129ce92 100644
--- a/fpga/usrp2/top/E1x0/E1x0.v
+++ b/fpga/usrp2/top/E1x0/E1x0.v
@@ -59,10 +59,20 @@ module E1x0
wire clk_fpga;
wire reset;
- reg async_reset;
- always @(negedge EM_CLK) begin
- async_reset <= ~EM_NCS6 && ~EM_NWE && (EM_A[9:2] == 8'hff) && EM_D[0];
- end
+ reg por_rst;
+ reg [7:0] por_counter = 8'h0;
+
+ always @(posedge clk_fpga)
+ if (por_counter != 8'h55)
+ begin
+ por_counter <= por_counter + 8'h1;
+ por_rst <= 1'b1;
+ end
+ else por_rst <= 1'b0;
+
+ wire async_reset;
+ cross_clock_reader #(.WIDTH(1)) read_gpio_reset
+ (.clk(clk_fpga), .rst(por_rst), .in(cgen_sen_b & ~cgen_sclk), .out(async_reset));
IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE"))
clk_fpga_pin (.O(clk_fpga),.I(CLK_FPGA_P),.IB(CLK_FPGA_N));
diff --git a/fpga/usrp2/top/E1x0/Makefile.E110 b/fpga/usrp2/top/E1x0/Makefile.E110
index e5be8d2fa..c2d3e39e6 100644
--- a/fpga/usrp2/top/E1x0/Makefile.E110
+++ b/fpga/usrp2/top/E1x0/Makefile.E110
@@ -50,7 +50,6 @@ simulator "ISE Simulator (VHDL/Verilog)" \
TOP_SRCS = \
../B100/u1plus_core.v \
E1x0.v \
-E1x0.ucf \
timing.ucf
SOURCES = $(abspath $(TOP_SRCS)) $(FIFO_SRCS) \
diff --git a/fpga/usrp2/top/E1x0/timing.ucf b/fpga/usrp2/top/E1x0/timing.ucf
index 7d3d9e090..1483c2a05 100644
--- a/fpga/usrp2/top/E1x0/timing.ucf
+++ b/fpga/usrp2/top/E1x0/timing.ucf
@@ -14,8 +14,8 @@ INST "EM_NCS6" TNM = gpmc_net;
INST "EM_NWE" TNM = gpmc_net;
INST "EM_NOE" TNM = gpmc_net;
-TIMEGRP "gpmc_net" OFFSET = IN 6 ns VALID 12 ns BEFORE "EM_CLK" FALLING;
-TIMEGRP "gpmc_net_out" OFFSET = OUT 14 ns AFTER "EM_CLK" RISING; //2 clock cyc per read
+TIMEGRP "gpmc_net" OFFSET = IN 6 ns VALID 10 ns BEFORE "EM_CLK" FALLING;
+#TIMEGRP "gpmc_net_out" OFFSET = OUT 13 ns AFTER "EM_CLK" RISING; //2 clock cyc per read
#constrain interrupt lines
NET "overo_gpio144" MAXDELAY = 5.5 ns; #have space
diff --git a/fpga/usrp2/top/Makefile.common b/fpga/usrp2/top/Makefile.common
index 3b71e7b13..bd999f007 100644
--- a/fpga/usrp2/top/Makefile.common
+++ b/fpga/usrp2/top/Makefile.common
@@ -55,7 +55,7 @@ $(ISE_FILE): $$(SOURCES) $$(MAKEFILE_LIST)
$(BIN_FILE): $(ISE_FILE) $$(SOURCES) $$(MAKEFILE_LIST)
@echo $@
- $(ISE_HELPER) "Generate Programming File"
+ $(ISE_HELPER) "Generate Programming File" 2>&1 | tee $(BUILD_DIR)/build.log
touch $@
$(MCS_FILE): $(BIN_FILE)