diff options
Diffstat (limited to 'usrp2')
| -rw-r--r-- | usrp2/control_lib/ram_harvard.v | 4 | ||||
| -rw-r--r-- | usrp2/top/u2_rev3/u2_core.v | 37 | ||||
| -rw-r--r-- | usrp2/top/u2plus/u2plus_core.v | 32 | ||||
| -rw-r--r-- | usrp2/udp/prot_eng_tx.v | 5 |
4 files changed, 37 insertions, 41 deletions
diff --git a/usrp2/control_lib/ram_harvard.v b/usrp2/control_lib/ram_harvard.v index 948f9b36f..a190e20fd 100644 --- a/usrp2/control_lib/ram_harvard.v +++ b/usrp2/control_lib/ram_harvard.v @@ -27,9 +27,7 @@ module ram_harvard input dwb_we_i, output dwb_ack_o, input dwb_stb_i, - input [3:0] dwb_sel_i, - - input flush_icache ); + input [3:0] dwb_sel_i ); reg ack_d1; reg stb_d1; diff --git a/usrp2/top/u2_rev3/u2_core.v b/usrp2/top/u2_rev3/u2_core.v index 79470de9e..0daa75f44 100644 --- a/usrp2/top/u2_rev3/u2_core.v +++ b/usrp2/top/u2_rev3/u2_core.v @@ -136,18 +136,22 @@ module u2_core input [3:0] clock_divider ); - localparam SR_MISC = 0; // Uses 9 regs - localparam SR_BUF_POOL = 64; // Uses 4 regs - localparam SR_UDP_SM = 96; // 64 regs - localparam SR_RX_DSP0 = 160; // 16 - localparam SR_RX_CTRL0 = 176; // 16 - localparam SR_TIME64 = 192; // 3 - localparam SR_SIMTIMER = 198; // 2 - localparam SR_TX_DSP = 208; // 16 - localparam SR_TX_CTRL = 224; // 16 - localparam SR_RX_DSP1 = 240; - localparam SR_RX_CTRL1 = 32; - + localparam SR_MISC = 0; // 7 regs + localparam SR_SIMTIMER = 8; // 2 + localparam SR_TIME64 = 10; // 6 + localparam SR_BUF_POOL = 16; // 4 + + localparam SR_RX_FRONT = 24; // 5 + localparam SR_RX_CTRL0 = 32; // 9 + localparam SR_RX_DSP0 = 48; // 7 + localparam SR_RX_CTRL1 = 80; // 9 + localparam SR_RX_DSP1 = 96; // 7 + + localparam SR_TX_FRONT = 128; // ? + localparam SR_TX_CTRL = 144; // 6 + localparam SR_TX_DSP = 160; // 5 + + localparam SR_UDP_SM = 192; // 64 // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048 // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs @@ -325,7 +329,6 @@ module u2_core // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone // I-port connects directly to processor and ram loader - wire flush_icache; ram_harvard #(.AWIDTH(14),.RAM_SIZE(16384),.ICWIDTH(7),.DCWIDTH(6)) sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), @@ -337,12 +340,8 @@ module u2_core .if_adr(16'b0), .if_data(), .dwb_adr_i(s0_adr[13:0]), .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), - .flush_icache(flush_icache)); + .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel)); - setting_reg #(.my_addr(SR_MISC+7)) sr_icache (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(),.changed(flush_icache)); - // ///////////////////////////////////////////////////////////////////////// // Buffer Pool, slave #1 wire rd0_ready_i, rd0_ready_o; @@ -491,7 +490,7 @@ module u2_core setting_reg #(.my_addr(SR_MISC+3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_sw),.changed()); - setting_reg #(.my_addr(SR_MISC+8),.width(8), .at_reset(8'b0001_1110)) + setting_reg #(.my_addr(SR_MISC+6),.width(8), .at_reset(8'b0001_1110)) sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed()); assign leds = (led_src & led_hw) | (~led_src & led_sw); diff --git a/usrp2/top/u2plus/u2plus_core.v b/usrp2/top/u2plus/u2plus_core.v index ec54de73e..3a286e7a9 100644 --- a/usrp2/top/u2plus/u2plus_core.v +++ b/usrp2/top/u2plus/u2plus_core.v @@ -131,18 +131,22 @@ module u2plus_core output spiflash_cs, output spiflash_clk, input spiflash_miso, output spiflash_mosi ); - localparam SR_MISC = 0; // Uses 9 regs - localparam SR_BUF_POOL = 64; // Uses 4 regs - localparam SR_UDP_SM = 96; // 64 regs - localparam SR_RX_DSP0 = 160; // 16 - localparam SR_RX_CTRL0 = 176; // 16 - localparam SR_TIME64 = 192; // 3 - localparam SR_SIMTIMER = 198; // 2 - localparam SR_TX_DSP = 208; // 16 - localparam SR_TX_CTRL = 224; // 16 - localparam SR_RX_DSP1 = 240; - localparam SR_RX_CTRL1 = 32; - + localparam SR_MISC = 0; // 7 regs + localparam SR_SIMTIMER = 8; // 2 + localparam SR_TIME64 = 10; // 6 + localparam SR_BUF_POOL = 16; // 4 + + localparam SR_RX_FRONT = 24; // 5 + localparam SR_RX_CTRL0 = 32; // 9 + localparam SR_RX_DSP0 = 48; // 7 + localparam SR_RX_CTRL1 = 80; // 9 + localparam SR_RX_DSP1 = 96; // 7 + + localparam SR_TX_FRONT = 128; // ? + localparam SR_TX_CTRL = 144; // 6 + localparam SR_TX_DSP = 160; // 5 + + localparam SR_UDP_SM = 192; // 64 // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048 // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs @@ -477,7 +481,7 @@ module u2plus_core .in(set_data),.out(adc_outs),.changed()); setting_reg #(.my_addr(SR_MISC+4),.width(1)) sr_phy (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(phy_reset),.changed()); - setting_reg #(.my_addr(SR_MISC+5),.width(1)) sr_bldr (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), + setting_reg #(.my_addr(SR_MISC+5),.width(1)) sr_bld (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(bldr_done),.changed()); // ///////////////////////////////////////////////////////////////////////// @@ -492,7 +496,7 @@ module u2plus_core setting_reg #(.my_addr(SR_MISC+3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_sw),.changed()); - setting_reg #(.my_addr(SR_MISC+8),.width(8), .at_reset(8'b0001_1110)) + setting_reg #(.my_addr(SR_MISC+6),.width(8), .at_reset(8'b0001_1110)) sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed()); assign leds = (led_src & led_hw) | (~led_src & led_sw); diff --git a/usrp2/udp/prot_eng_tx.v b/usrp2/udp/prot_eng_tx.v index 806f26b43..322c6ec91 100644 --- a/usrp2/udp/prot_eng_tx.v +++ b/usrp2/udp/prot_eng_tx.v @@ -1,9 +1,4 @@ -// The first line: -// Bits 18:17 Select which source/dest pair -// Bit 16 1 for fast path (accelerated protocol) -// Bits 15:0 Length in bytes - module prot_eng_tx #(parameter BASE=0) (input clk, input reset, input clear, |