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  • This comparison shows the changes necessary to convert path 
    /openrisc/trunk/orpsocv2/boards/xilinx
    from Rev 503 to Rev 530
    ↔ Reverse comparison
  •

Rev 503 → Rev 530

/ml501/bench/verilog/include/eth_stim.v
80,7 → 80,7
 
// Do call/response test
reg eth_stim_do_rx_reponse_to_tx;
 
reg eth_stim_do_overflow_test;
parameter num_tx_bds = 16;
parameter num_tx_bds_mask = 4'hf;
149,8 → 149,8
expected_rxbd = num_tx_bds; // init this here
 
eth_stim_do_rx_reponse_to_tx = 0;
eth_stim_do_overflow_test = 0;
while (eth_stim_waiting) // Loop, waiting for enabling of MAC by software
begin
#100;
177,7 → 177,7
eth_phy0.eth_speed, // Speed
eth_stim_num_rx_only_IPG, // IPG
48'h0012_3456_789a, 48'h0708_090A_0B0C, 1,
0, 0);
0, 0, 0);
eth_stim_waiting = 0;
end
199,6 → 199,11
// kickoff call/response here
eth_stim_do_rx_reponse_to_tx = 1;
end
1:
begin
// kickoff overflow test here
eth_stim_do_overflow_test = 1;
end
default:
begin
do_rx_while_tx_stim(1400);
227,7 → 232,7
send_packet_loop(num_packets, start_packet_size, 2'b01, 1,
speed_loop[0], 10000,
48'h0012_3456_789a, 48'h0708_090A_0B0C, 1,
inject_errors, inject_errors_mod);
inject_errors, inject_errors_mod, 0);
end
288,7 → 293,7
$display("do_rx_while_tx packet_size = %0d", packet_size);
send_packet_loop(1, packet_size, 2'b01, 1, eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0);
48'h0708_090A_0B0C, 1, 1'b0, 0, 0);
 
// If RX enable went low, wait for it go high again
if (ethmac_rxen===1'b0)
322,6 → 327,15
// Continue if we are enabled
do_rx_response_to_tx();
end
 
 
// If in call-response mode, whenever we receive a TX packet, we generate
// one and send it back
always @(posedge eth_stim_do_overflow_test)
begin
// Continue if we are enabled
do_overflow_stimulus();
end
// Generate RX packet in rsponse to TX packet
task do_rx_response_to_tx;
358,7 → 372,7
$display("do_rx_response_to_tx packet_size = %0d", packet_size);
send_packet_loop(1, packet_size, 2'b01, 1, eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0);
48'h0708_090A_0B0C, 1, 1'b0, 0, 0);
// If RX enable went low, wait for it go high again
if (ethmac_rxen===1'b0)
379,10 → 393,117
end
endtask // do_rx_response_to_tx
// Generate RX packet in rsponse to TX packet
task do_overflow_stimulus;
//input unused;
reg [31:0] IPG; // Inter-packet gap
reg [31:0] packet_size;
integer j;
begin
 
// Maximum packet size
packet_size = 1500;
// Minimum IPG
IPG = eth_stim_IPG_min_100mb;
$display("do_overflow_stimulus IPG = %0d", IPG);
$display("do_overflow_stimulus packetsize = %0d", packet_size);
 
send_packet_loop(num_rx_bds, packet_size, 2'b01, 1,
eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0, 0);
 
// This one should cause overflow, don't check it gets there OK
send_packet_loop(1, packet_size, 2'b01, 1,
eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0, 1);
 
// Wind back expected RXBD number
if (expected_rxbd == num_tx_bds)
expected_rxbd = num_tx_bds + num_rx_bds - 1;
else
expected_rxbd = expected_rxbd - 1;
 
// This one should cause overflow, don't check it gets there OK
send_packet_loop(1, packet_size, 2'b01, 1,
eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0, 1);
 
// Wind back expected RXBD number
if (expected_rxbd == num_tx_bds)
expected_rxbd = num_tx_bds + num_rx_bds - 1;
else
expected_rxbd = expected_rxbd - 1;
 
 
// This one should cause overflow, don't check it gets there OK
send_packet_loop(1, packet_size, 2'b01, 1,
eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0, 1);
 
// Wind back expected RXBD number
if (expected_rxbd == num_tx_bds)
expected_rxbd = num_tx_bds + num_rx_bds - 1;
else
expected_rxbd = expected_rxbd - 1;
 
// This one should cause overflow, don't check it gets there OK
send_packet_loop(1, packet_size, 2'b01, 1,
eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0, 1);
// Wind back expected RXBD number
if (expected_rxbd == num_tx_bds)
expected_rxbd = num_tx_bds + num_rx_bds - 1;
else
expected_rxbd = expected_rxbd - 1;
 
 
// Wait until a buffer descriptor becomes available
while(`ETH_TOP.wishbone.RxBDRead==1'b1)
#1000;
$display("%t: RxBDRead gone low",$time);
#10000;
 
send_packet_loop(1, packet_size, 2'b01, 1, eth_phy0.eth_speed,
IPG, 48'h0012_3456_789a,
48'h0708_090A_0B0C, 1, 1'b0, 0, 0);
// If RX enable went low, wait for it go high again
if (ethmac_rxen===1'b0)
begin
while (ethmac_rxen===1'b0)
begin
@(posedge ethmac_rxen);
#10000;
end
// RX disabled and when re-enabled we reset the buffer
// descriptor number
expected_rxbd = num_tx_bds;
 
end
 
end
endtask // do_overflow_stimulus
//
// always@() to check the TX buffer descriptors
//
653,7 → 774,7
//$display("Checking address in tx bd 0x%0h",txpnt_sdram);
sdram_byte = 8'hx;
`ifdef RAM_WB
sdram_byte = dut.ram_wb0.ram_wb_b3_0.get_byte(txpnt_sdram);
sdram_byte = dut.ram_wb0.ram_wb_b3_0.get_mem8(txpnt_sdram);
`else
`ifdef VERSATILE_SDRAM
sdram0.get_byte(txpnt_sdram,sdram_byte);
707,6 → 828,17
end
endtask // check_tx_packet
 
// Local buffer of "sent" data to the ethernet MAC, we will check against
// Size of our local buffer in bytes
parameter eth_rx_sent_circbuf_size = (16*1024);
parameter eth_rx_sent_circbuf_size_mask = eth_rx_sent_circbuf_size - 1;
integer eth_rx_sent_circbuf_fill_ptr = 0;
integer eth_rx_sent_circbuf_read_ptr = 0;
// The actual buffer
reg [7:0] eth_rx_sent_circbuf [0:eth_rx_sent_circbuf_size-1];
 
//
// Task to send a set of packets
//
721,8 → 853,9
input [47:0] src_mac;
input random_fill;
input random_errors;
input [31:0] random_error_mod;
integer j;
input [31:0] random_error_mod;
input dont_confirm_rx;
integer j, k;
reg error_this_time;
integer error_type; // 0 = rxerr, 1=bad preamble 2=bad crc 3=TODO
reg [31:0] rx_bd_lenstat;
796,9 → 929,16
// if RX enable still set (might have gone low during this packet
if (ethmac_rxen)
begin
if (error_this_time)
if (error_this_time || dont_confirm_rx) begin
// Put in dummy length, checking function will skip...
rx_packet_lengths[(eth_rx_num_packets_sent& 12'h3ff)]=32'heeeeeeee;
 
for(k=0;k<length;k=k+1)
// skip data in verify buffer
eth_rx_sent_circbuf_read_ptr = (eth_rx_sent_circbuf_read_ptr+1)&
eth_rx_sent_circbuf_size_mask;
end
else
rx_packet_lengths[(eth_rx_num_packets_sent & 12'h3ff)] = length;
849,15 → 989,6
end // for (j=0;j<num_packets | length <32;j=j+1)
end
endtask // send_packet_loop
 
// Local buffer of "sent" data to the ethernet MAC, we will check against
// Size of our local buffer in bytes
parameter eth_rx_sent_circbuf_size = (16*1024);
parameter eth_rx_sent_circbuf_size_mask = eth_rx_sent_circbuf_size - 1;
integer eth_rx_sent_circbuf_fill_ptr = 0;
integer eth_rx_sent_circbuf_read_ptr = 0;
// The actual buffer
reg [7:0] eth_rx_sent_circbuf [0:eth_rx_sent_circbuf_size-1];
/*
TASKS for set and check RX packets:
1176,13 → 1307,18
begin
 
sdram_byte = 8'hx;
`ifdef XILINX_DDR2
 
`ifdef RAM_WB
sdram_byte = dut.ram_wb0.ram_wb_b3_0.get_mem8(rxpnt_sdram);
`else
`ifdef XILINX_DDR2
get_byte_from_xilinx_ddr2(rxpnt_sdram, sdram_byte);
`else
`else
$display(" * Error:");
$display(" * eth_stim needs to be able to access the main memory to check packet rx/tx");
$finish;
`endif
`endif
phy_byte = eth_rx_sent_circbuf[eth_rx_sent_circbuf_read_ptr];
/ml501/rtl/verilog/include/ethmac_defines.v
46,24 → 46,11
 
// Generic FIFO implementation - hopefully synthesizable with Synplify
//`define ETH_FIFO_GENERIC
// Ethernet implemented in Xilinx Chips (uncomment following lines)
`define ETH_FIFO_XILINX // Use Xilinx distributed ram for tx and rx fifo
// `define ETH_XILINX_RAMB4 // Selection of the used memory for Buffer descriptors
// Core is going to be implemented in Virtex FPGA and contains Virtex
// specific elements.
// specific elements.
`define ETH_FIFO_XILINX
//`define ETH_FIFO_RAMB18
 
// Ethernet implemented in Altera Chips (uncomment following lines)
//`define ETH_ALTERA_ALTSYNCRAM
 
// Ethernet implemented in ASIC with Virtual Silicon RAMs
// `define ETH_VIRTUAL_SILICON_RAM // Virtual Silicon RAMS used storing buffer decriptors (ASIC implementation)
 
// Ethernet implemented in ASIC with Artisan RAMs
// `define ETH_ARTISAN_RAM // Artisan RAMS used storing buffer decriptors (ASIC implementation)
 
// Uncomment when Avalon bus is used
//`define ETH_AVALON_BUS
 
`define ETH_MODER_ADR 8'h0 // 0x0
`define ETH_INT_SOURCE_ADR 8'h1 // 0x4
`define ETH_INT_MASK_ADR 8'h2 // 0x8
185,48 → 172,49
`define ETH_TX_FIFO_DATA_WIDTH 32
 
// Defines for ethernet TX fifo size - impacts FPGA resource usage
//`define ETH_TX_FULL_PACKET_FIFO // Full 1500 byte TX buffer - uncomment this
 
//`define ETH_TX_64BYTE_FIFO // 64 byte TX buffer - uncomment this
//`define ETH_TX_128BYTE_FIFO // 128 byte TX buffer - uncomment this
`define ETH_TX_256BYTE_FIFO // 256 byte TX buffer - uncomment this
//`define ETH_TX_512BYTE_FIFO // 512 byte TX buffer - uncomment this
//`define ETH_TX_1KBYTE_FIFO // 1024 byte TX buffer - uncomment this
//`define ETH_TX_FULL_PACKET_FIFO // Full 1500 byte TX buffer - uncomment this
 
`ifdef ETH_TX_FULL_PACKET_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 9
`define ETH_TX_FIFO_DEPTH 375
`else
`ifdef ETH_TX_1KBYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 8
`define ETH_TX_FIFO_DEPTH 256
`else
`ifdef ETH_TX_512BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 7
`define ETH_TX_FIFO_DEPTH 128
`else
`ifdef ETH_TX_256BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 6
`define ETH_TX_FIFO_DEPTH 64
`else
`ifdef ETH_TX_128BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 5
`define ETH_TX_FIFO_DEPTH 32
`else
// Default is 64 bytes
`define ETH_TX_FIFO_CNT_WIDTH 4
`define ETH_TX_FIFO_DEPTH 16
`endif
`endif
`endif
`endif // !`ifdef ETH_TX_512BYTE_FIFO
`endif // !`ifdef ETH_TX_FULL_PACKET_FIFO
`endif
`ifdef ETH_TX_1KBYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 8
`define ETH_TX_FIFO_DEPTH 256
`endif
`ifdef ETH_TX_512BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 7
`define ETH_TX_FIFO_DEPTH 128
`endif
`ifdef ETH_TX_256BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 6
`define ETH_TX_FIFO_DEPTH 64
`endif
`ifdef ETH_TX_128BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 5
`define ETH_TX_FIFO_DEPTH 32
`endif
`ifdef ETH_TX_128BYTE_FIFO
`define ETH_TX_FIFO_CNT_WIDTH 4
`define ETH_TX_FIFO_DEPTH 16
`endif
 
 
 
 
// Settings for RX FIFO
//`define ETH_RX_FIFO_CNT_WIDTH 8
//`define ETH_RX_FIFO_DEPTH 256
//`define ETH_RX_FIFO_CNT_WIDTH 7
//`define ETH_RX_FIFO_DEPTH 128
`define ETH_RX_FIFO_DEPTH 128
`define ETH_RX_FIFO_CNT_WIDTH 6
`define ETH_RX_FIFO_DEPTH 64
//`define ETH_RX_FIFO_DEPTH 64
//`define ETH_RX_FIFO_CNT_WIDTH 5
//`define ETH_RX_FIFO_DEPTH 32
//`define ETH_RX_FIFO_CNT_WIDTH 4
/ml501/rtl/verilog/include/orpsoc-defines.v
74,7 → 74,11
// Watchdog timeout: 2^(ARBITER_IBUS_WATCHDOG_TIMER_WIDTH+1) cycles
// This has to be kind of long, as DDR2 initialisation can take a little while
// and after reset, and if this is too short we'll always get bus error.
`define ARBITER_IBUS_WATCHDOG_TIMER_WIDTH 20
`ifdef XILINX_DDR2
`define ARBITER_IBUS_WATCHDOG_TIMER_WIDTH 20
`else
`define ARBITER_IBUS_WATCHDOG_TIMER_WIDTH 6
`endif
 
// Data bus arbiter
 
81,7 → 85,11
//`define ARBITER_DBUS_REGISTERING
`define ARBITER_DBUS_WATCHDOG
// Watchdog timeout: 2^(ARBITER_DBUS_WATCHDOG_TIMER_WIDTH+1) cycles
`define ARBITER_DBUS_WATCHDOG_TIMER_WIDTH 20
`ifdef XILINX_DDR2
`define ARBITER_DBUS_WATCHDOG_TIMER_WIDTH 20
`else
`define ARBITER_DBUS_WATCHDOG_TIMER_WIDTH 6
`endif
 
// Byte bus (peripheral bus) arbiter
// Don't really need the watchdog here - the databus will pick it up
/ml501/rtl/verilog/orpsoc_top/orpsoc_top.v
114,16 → 114,16
`endif
`ifdef XILINX_SSRAM
// ZBT SSRAM
output sram_clk,
input sram_clk_fb,
output [21:1] sram_flash_addr,
inout [31:0] sram_flash_data,
output sram_cen,
output sram_flash_oe_n,
output sram_flash_we_n,
output [3:0] sram_bw,
output sram_adv_ld_n,
output sram_mode,
output sram_clk;
input sram_clk_fb;
output [21:1] sram_flash_addr;
inout [31:0] sram_flash_data;
output sram_cen;
output sram_flash_oe_n;
output sram_flash_we_n;
output [3:0] sram_bw;
output sram_adv_ld_n;
output sram_mode;
`endif
`ifdef UART0
input uart0_srx_pad_i;
/ml501/backend/par/bin/Makefile
140,7 → 140,7
$(PARRED_NCD): $(MAPPED_NCD)
@echo; echo "\t#### PAR'ing ####";
$(Q)( . $(XILINX_SETTINGS_SCRIPT) && \
par -w -pl high -rl high $(XILINX_FLAGS) $< $@ $(PCD_FILE) )
par -w -ol high $(XILINX_FLAGS) $< $@ $(PCD_FILE) )
 
#This target uses Xilinx tools to generate a bitstream for download
$(BIT_FILE): $(PARRED_NCD)
/ml501/syn/xst/bin/Makefile
250,7 → 250,7
 
# Constraints file
$(XCF_FILE):
$(Q)echo; echo "\t#### Generating Xilinx PRJ file ####"; echo
$(Q)echo; echo "\t#### Generating Xilinx XCF file ####"; echo
$(Q)echo "# Autogenerated XST .prj file" > $@
$(Q)echo "#" >> $@
$(Q)echo "# Not much here, XST is smart enough to determine clocks through DCMs" >> $@
302,4 → 302,5
distclean: clean-sw clean
 
 
.PRECIOUS : $(NGC_FILE) $(XST_FILE) $(XCF_FILE)
.PRECIOUS : $(NGC_FILE) $(XST_FILE) $(XCF_FILE)
 

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