24 Commits
Author SHA1 Message Date
jens 23afdea302 This commit was manufactured by cvs2svn to create tag 'EMAC_R2'.
git-svn-id: http://moon:8086/svn/vhdl/tags/EMAC_R2@874 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 18:44:43 +00:00
jens 1f1d858f18 - minor changes
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@873 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 18:44:42 +00:00
jens 3a58fbb7af - simplified xfer-fsm, preamble, sipo32, etc
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@872 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 17:55:26 +00:00
jens 4b88e122f2 - fixed bug: capturing without din_en
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@871 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 17:54:26 +00:00
jens 615b776ead - added MII loopback
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@870 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 15:29:20 +00:00
jens edc389931a - minor changes
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@869 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 15:28:49 +00:00
jens cfa1a3f8a2 - separate RX/TX status and size register
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@868 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 15:28:23 +00:00
jens 433ff23c41 - removed rx_er-flag
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@867 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 15:27:43 +00:00
jens 6cdd8d566b - tied mii_tx_er to 0
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@866 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 15:27:18 +00:00
jens 063019e23e - added byte_count reset
- generate ram_limit in sysclk-domain. Synced to MII-Clk domain
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@865 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 15:26:45 +00:00
jens 668ab68b8b - minor changes
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@864 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 11:20:44 +00:00
jens bb41db0f76 - removed 'tx_err' from register flags
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@863 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 11:20:19 +00:00
jens c3b554ffc3 - packet generator now uses emac_tx as transmitter
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@862 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-07 09:56:49 +00:00
jens b3cda75c60 - minor changes
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@861 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-06 18:30:46 +00:00
jens d1e30cfa5c - added gigabit--mode
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@860 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-06 18:30:31 +00:00
jens d7b6040c38 - cleaned up
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@859 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-06 15:35:30 +00:00
jens 39c15ef86c - simplified: removed MII-FIFO. Connected RAM to MII-domain
- cleaned up
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@858 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-06 15:35:21 +00:00
jens 8f283ae097 - simplified: removed MII-FIFO. Connected RAM to MII-domain
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@857 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-06 13:29:27 +00:00
jens bd64cab371 - minor changes
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@855 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-04 09:56:37 +00:00
jens c6e0de57ec - minor fix
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@854 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-04 09:55:51 +00:00
jens e8deef86a6 - added preamble genration
- simplified design
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@853 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-04 09:55:22 +00:00
jens 4d41635f19 - added MAC own address register
- added MAC check and promiscious mode
- added new flags
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@852 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-04 09:54:27 +00:00
jens d7a1ee94e6 - added preamble sync and preamble stripping
- added MAC own address register
- added MAC check and promiscious mode
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@851 cc03376c-175c-47c8-b038-4cd826a8556b
2010-04-04 09:53:55 +00:00
jens bd90e641cf - added ethernet MAC
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@850 cc03376c-175c-47c8-b038-4cd826a8556b
2010-03-30 10:22:46 +00:00
12 changed files with 1160 additions and 1047 deletions
+4
View File
@@ -4,10 +4,14 @@
vlib work
vcom -explicit -93 "../../misc/utils_pkg.vhd"
vcom -explicit -93 "../../misc/dpram_1w1r.vhd"
vcom -explicit -93 "../../misc/dpram_2w2r.vhd"
vcom -explicit -93 "../../FIFO/src/fifo_ctrl_pkg.vhd"
vcom -explicit -93 "../../FIFO/src/gray_counter.vhd"
vcom -explicit -93 "../../FIFO/src/fifo_async_ctrl.vhd"
vcom -explicit -93 "../../FIFO/src/fifo_async.vhd"
vcom -explicit -93 "../src/piso.vhd"
vcom -explicit -93 "../src/sipo.vhd"
vcom -explicit -93 "../src/shifter.vhd"
vcom -explicit -93 "../src/emac_jb.vhd"
vcom -explicit -93 "../src/tb_emac_jb.vhd"
vsim -t 1ps -lib work tb_emac_jb
+127 -2
View File
@@ -16,18 +16,143 @@ add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/dat_o
add wave -noupdate -format Logic /tb_emac_jb/mii_rx_clk
add wave -noupdate -format Logic /tb_emac_jb/mii_tx_clk
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/mii_rx
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/mii_tx
add wave -noupdate -format Logic /tb_emac_jb/mii_rx_dv
add wave -noupdate -format Logic /tb_emac_jb/mii_rx_er
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/mii_tx
add wave -noupdate -format Logic /tb_emac_jb/mii_tx_en
add wave -noupdate -format Logic /tb_emac_jb/mii_tx_er
add wave -noupdate -format Logic /tb_emac_jb/mii_crs
add wave -noupdate -format Logic /tb_emac_jb/mii_col
add wave -noupdate -format Logic /tb_emac_jb/mii_gtx_clk
add wave -noupdate -divider {Ethernet MAC}
add wave -noupdate -format Logic /tb_emac_jb/clk
add wave -noupdate -format Literal /tb_emac_jb/emac_action
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_err
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_flush_en
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_flush_rdy
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_free_en
add wave -noupdate -format Literal -radix unsigned /tb_emac_jb/inst_emac_jb/tx_nwords_free
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_flush_ptr
add wave -noupdate -format Logic /tb_emac_jb/clk
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_fill_size
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fill_cnt_set
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fill_cnt_adv
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_fill_cnt
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fill_ptr_set
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fill_ptr_adv
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_fill_ptr
add wave -noupdate -format Logic /tb_emac_jb/clk
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_alloc_base
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_alloc_size
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_alloc_ok
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_alloc_req_en
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_commit_en
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_alloc_req
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_alloc_ack
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_ram_en_a
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_ram_en_b
add wave -noupdate -format Literal /tb_emac_jb/inst_emac_jb/host_tx_s
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_tag_out_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_data_out_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_tag_in_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_data_in_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_addr_b
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_ram_we_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_tag_out_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_data_out_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_tag_in_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_data_in_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_ram_addr_a
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_ram_we_a
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_free_en
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_xfer_ptr_set
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_xfer_ptr_adv
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_xfer_ptr
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_xfer_cnt_set
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_xfer_cnt_adv
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_xfer_cnt
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_xfer_rdy
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_xfer_en
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_data_vld
add wave -noupdate -format Literal /tb_emac_jb/inst_emac_jb/xfer_tag
add wave -noupdate -format Literal /tb_emac_jb/inst_emac_jb/xfer_remain
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/xfer_odd
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/xfer_remain_en
add wave -noupdate -format Literal /tb_emac_jb/inst_emac_jb/xfer_tx_s
add wave -noupdate -format Literal /tb_emac_jb/inst_emac_jb/piso_din_be
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/piso_din_rdy
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_xfer_size
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fifo_we
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fifo_full
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_fifo_din
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fifo_empty
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/tx_fifo_re
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/tx_fifo_dout
add wave -noupdate -format Logic /tb_emac_jb/mii_tx_clk
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/host_tx_size
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/host_data_we
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_emac_jb/host_data_reg
add wave -noupdate -format Literal /tb_emac_jb/inst_emac_jb/inter_frame_gap_cnt
add wave -noupdate -format Logic /tb_emac_jb/inst_emac_jb/inter_frame_gap_rdy
add wave -noupdate -divider Shifter
add wave -noupdate -format Logic /tb_emac_jb/clk
add wave -noupdate -format Literal /tb_emac_jb/shift_sa
add wave -noupdate -format Logic /tb_emac_jb/shift_din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/shift_din
add wave -noupdate -format Logic /tb_emac_jb/shift_dout_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/shift_dout
add wave -noupdate -divider PiSo
add wave -noupdate -format Logic /tb_emac_jb/clk
add wave -noupdate -format Logic /tb_emac_jb/piso_din_vld
add wave -noupdate -format Logic /tb_emac_jb/piso_din_rdy
add wave -noupdate -format Literal /tb_emac_jb/piso_din_be
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/piso_din
add wave -noupdate -format Logic /tb_emac_jb/piso_dout_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/piso_dout
add wave -noupdate -format Logic /tb_emac_jb/inst_piso/pre_fin
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_piso/din_reg
add wave -noupdate -format Literal /tb_emac_jb/inst_piso/din_be_reg
add wave -noupdate -format Logic /tb_emac_jb/inst_piso/din_vld_reg
add wave -noupdate -format Literal /tb_emac_jb/inst_piso/shift_cnt_pipe
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_piso/shift_pipe
add wave -noupdate -format Literal /tb_emac_jb/inst_piso/vld_pipe
add wave -noupdate -format Logic /tb_emac_jb/piso2_din_vld
add wave -noupdate -format Logic /tb_emac_jb/piso2_din_rdy
add wave -noupdate -format Literal /tb_emac_jb/piso2_din_be
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/piso2_din
add wave -noupdate -format Logic /tb_emac_jb/piso2_dout_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/piso2_dout
add wave -noupdate -format Logic /tb_emac_jb/piso2_enable
add wave -noupdate -format Logic /tb_emac_jb/inst_piso2/pre_fin
add wave -noupdate -format Logic /tb_emac_jb/inst_piso2/rdy
add wave -noupdate -format Literal /tb_emac_jb/inst_piso2/shift_cnt_pipe
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_piso2/shift_pipe
add wave -noupdate -format Literal /tb_emac_jb/inst_piso2/vld_pipe
add wave -noupdate -divider SiPo
add wave -noupdate -format Logic /tb_emac_jb/inst_sipo/clk
add wave -noupdate -format Logic /tb_emac_jb/sipo_enable
add wave -noupdate -format Logic /tb_emac_jb/sipo_din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/sipo_din
add wave -noupdate -format Logic /tb_emac_jb/sipo_dout_en
add wave -noupdate -format Logic /tb_emac_jb/sipo_dout_vld
add wave -noupdate -format Literal /tb_emac_jb/sipo_dout_be
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/sipo_dout
add wave -noupdate -format Logic /tb_emac_jb/inst_sipo/pre_fin
add wave -noupdate -format Logic /tb_emac_jb/inst_sipo/abort
add wave -noupdate -format Literal /tb_emac_jb/inst_sipo/shift_cnt_pipe
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_sipo/shift_pipe
add wave -noupdate -format Logic /tb_emac_jb/sipo2_enable
add wave -noupdate -format Logic /tb_emac_jb/sipo2_rst
add wave -noupdate -format Logic /tb_emac_jb/sipo2_din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/sipo2_din
add wave -noupdate -format Logic /tb_emac_jb/sipo2_dout_en
add wave -noupdate -format Logic /tb_emac_jb/sipo2_dout_vld
add wave -noupdate -format Literal /tb_emac_jb/sipo2_dout_be
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/sipo2_dout
add wave -noupdate -format Literal /tb_emac_jb/inst_sipo2/shift_cnt_pipe
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_jb/inst_sipo2/shift_pipe
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {12999093 ps} 0}
WaveRestoreCursors {{Cursor 1} {19622640 ps} 0} {{Cursor 2} {121551751 ps} 0}
configure wave -namecolwidth 150
configure wave -valuecolwidth 100
configure wave -justifyvalue left
+2 -1
View File
@@ -18,6 +18,7 @@ vcom -explicit -93 "../src/emac_types.vhd"
vcom -explicit -93 "../src/emac_rx.vhd"
vcom -explicit -93 "../src/emac_tx.vhd"
vcom -explicit -93 "../src/emac_top_jb.vhd"
vcom -explicit -93 "../src/pkt_gen.vhd"
vcom -explicit -93 "../src/tb_emac_top_jb.vhd"
vsim -t 1ps -lib work tb_emac_top_jb
view wave
@@ -25,4 +26,4 @@ do {tb_emac_top_jb.wdo}
view structure
view signals
run 250 us
run 50000 us
+114 -78
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@@ -25,127 +25,163 @@ add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/mii_gtx_clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/mii_crs
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/mii_col
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/status_reg
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/size_reg
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/dat_o_reg
add wave -noupdate -format Literal /tb_emac_top_jb/emac_action
add wave -noupdate -format Logic /tb_emac_top_jb/dat_o_cnt_rst
add wave -noupdate -format Literal /tb_emac_top_jb/dat_o_cnt
add wave -noupdate -format Literal /tb_emac_top_jb/pkt_count
add wave -noupdate -divider {Packet generator}
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/tx_packets
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/tx_bytes
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/pkt_delay
add wave -noupdate -format Literal -radix unsigned /tb_emac_top_jb/inst_pkt_gen/pkt_nbytes
add wave -noupdate -format Literal -radix unsigned /tb_emac_top_jb/inst_pkt_gen/pkt_nwords
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/pkt_delay
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/host_s
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_emac_top_jb/inst_pkt_gen/tx_ctrl_in
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_emac_top_jb/inst_pkt_gen/tx_ctrl_out
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/tx_bytes
add wave -noupdate -format Literal /tb_emac_top_jb/inst_pkt_gen/tx_packets
add wave -noupdate -format Literal -radix unsigned /tb_emac_top_jb/inst_pkt_gen/fill_size
add wave -noupdate -format Literal -radix unsigned /tb_emac_top_jb/inst_pkt_gen/fill_cnt
add wave -noupdate -format Logic /tb_emac_top_jb/inst_pkt_gen/fill_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_pkt_gen/fill_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_pkt_gen/fill_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_pkt_gen/tx_din
add wave -noupdate -format Logic /tb_emac_top_jb/inst_pkt_gen/tx_din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/pktgen_tx
add wave -noupdate -format Logic /tb_emac_top_jb/pktgen_tx_en
add wave -noupdate -format Logic /tb_emac_top_jb/pktgen_tx_er
add wave -noupdate -format Logic /tb_emac_top_jb/pktgen_en
add wave -noupdate -divider RX
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/rst
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_s
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/host_s
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/dout_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/dout
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ctrl_in
add wave -noupdate -format Literal -radix hexadecimal -expand /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ctrl_out
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/mii_rx_clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_fifo_full
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_fifo_we
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_fifo_din
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_fifo_empty
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_fifo_re
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_fifo_dout
add wave -noupdate -format Literal -radix unsigned -expand /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ctrl_out
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_rx_clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_rx_dv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_rx_er
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_rx
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_crs
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mii_col
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/cmd_fifo_din
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/cmd_fifo_dout
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/cmd_fifo_we
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/cmd_fifo_re
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/cmd_fifo_empty
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/cmd_fifo_full
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/flush_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/fill_ptr
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/fill_ptr_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/fill_ptr_adv
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/host_ptr
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/host_ram_limit
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/host_ram_base
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/commit_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_ram_limit
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_ram_full
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_base
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_size
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_ptr
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_cnt
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_ptr_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_ptr_adv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_cnt_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_cnt_adv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_rdy
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_tag
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_remain
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_odd
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_remain_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/byte_count
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/byte_count_reg
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/word_count
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/word_count_reg
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/word_count_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/word_count_clr
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/word_count_ack
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/word_count_vld
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/uncommit_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo_dout
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo_dout_be
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo_dout_vld
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/mii_rx_dv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_we_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_addr_b
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_en_a
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_we_a
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_addr_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_addr_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_din_a
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_en_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/ram_addr_b
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/byte_count_en
add wave -noupdate -format Literal -radix unsigned /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/byte_count
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_din
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_dout
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_dout_be
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_dout_vld
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_dout_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo32_rst
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo8_dout
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo8_rst
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo8_dout_vld
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/sipo8_dout_en
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/host_s
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/xfer_s
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/preamble_rst
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/preamble_bsy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/preamble_ok
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/preamble_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mac_chk_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mac_chk_ok
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mac_chk_rst
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mac_chk_num_ok
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mac_chk_addr
add wave -noupdate -format Literal -radix unsigned /tb_emac_top_jb/inst_emac_top_jb/inst_emac_rx/mac_chk_cnt
add wave -noupdate -divider TX
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/rst
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/din
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ctrl_in
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ctrl_out
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_fifo_din
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_fifo_dout
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_fifo_we
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_fifo_re
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_fifo_empty
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_fifo_full
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_tx_clk
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_tx_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_tx_er
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mii_tx
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/cmd_fifo_din
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/cmd_fifo_dout
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/cmd_fifo_we
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/cmd_fifo_re
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/cmd_fifo_empty
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/cmd_fifo_full
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/flush_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/commit_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_pre_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_bsy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_cnt_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_base
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_size
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_cnt
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_ptr
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_we_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_addr_a
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_cnt_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_cnt_adv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_ptr_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_ptr_adv
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_remain
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/alloc_ok
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/alloc_req
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/alloc_ack
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/nwords_free
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_base
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/alloc_size
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/alloc_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/free_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mem_alloc_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mem_free_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/commit_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/uncommit_en
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/fill_remain
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_bsy
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_size
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_ptr
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_cnt
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_ptr_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_ptr_adv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_cnt_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_cnt_adv
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_rdy
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_tag
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_remain
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_odd
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_remain_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_we_b
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_cnt_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_set
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_en_a
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_we_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_addr_a
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_din_a
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_en_b
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_addr_b
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso_din_be
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso_din_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/data_vld
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/inter_frame_gap_cnt
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/inter_frame_gap_rdy
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ram_dout_b
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ifg_cnt
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/ifg_idle
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_din
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_din_be
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_din_rdy
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_din_vld
add wave -noupdate -format Literal -radix hexadecimal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_dout
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_dout_vld
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso32_dout_en
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso8_dout_vld
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso8_din_rdy
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/piso8_dout
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/host_s
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/xfer_s
add wave -noupdate -format Logic /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mem_free_req
add wave -noupdate -format Literal /tb_emac_top_jb/inst_emac_top_jb/inst_emac_tx/mem_free_ack
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 1} {65284974 ps} 0}
WaveRestoreCursors {{Cursor 1} {47057926829 ps} 0} {{Cursor 2} {50099085366 ps} 0} {{Cursor 3} {18156000484 ps} 0}
configure wave -namecolwidth 150
configure wave -valuecolwidth 100
configure wave -justifyvalue left
@@ -159,4 +195,4 @@ configure wave -gridperiod 100
configure wave -griddelta 40
configure wave -timeline 1
update
WaveRestoreZoom {0 ps} {262500 ns}
WaveRestoreZoom {0 ps} {24865002750 ps}
+312 -377
View File
@@ -37,15 +37,8 @@ ARCHITECTURE behavior OF emac_rx IS
subtype word_ptr_t is unsigned(RAM_ADDR_WIDTH-1 downto 0);
-- Signals for EMAC connections
signal mii_fifo_din : unsigned(31 downto 0);
signal mii_fifo_dout : unsigned(31 downto 0);
signal mii_fifo_we : std_logic;
signal mii_fifo_re : std_logic;
signal mii_fifo_empty : std_logic;
signal mii_fifo_full : std_logic;
signal cmd_fifo_din : unsigned(31 downto 0);
signal cmd_fifo_dout : unsigned(31 downto 0);
signal cmd_fifo_din : unsigned(2*word_ptr_t'length+2 downto 0);
signal cmd_fifo_dout : unsigned(2*word_ptr_t'length+2 downto 0);
signal cmd_fifo_we : std_logic;
signal cmd_fifo_re : std_logic;
signal cmd_fifo_empty : std_logic;
@@ -53,97 +46,115 @@ ARCHITECTURE behavior OF emac_rx IS
signal reset_en : std_logic;
signal fill_ptr : word_ptr_t;
signal host_ptr : word_ptr_t;
signal host_ram_limit : word_ptr_t;
signal host_ram_base : word_ptr_t;
signal commit_en : std_logic;
signal xfer_ram_limit : word_ptr_t;
signal xfer_ram_full : std_logic;
signal xfer_base : word_ptr_t;
signal xfer_size : word_ptr_t;
signal xfer_ptr : word_ptr_t;
signal xfer_ptr_set : std_logic;
signal xfer_ptr_adv : std_logic;
signal xfer_cnt_set : std_logic;
signal xfer_cnt_adv : std_logic;
signal xfer_rdy : std_logic;
signal xfer_en : std_logic;
signal xfer_set : std_logic;
signal xfer_vld : std_logic;
signal xfer_promiscious : std_logic;
signal ram_en_a : std_logic;
signal ram_we_a : std_logic;
signal ram_addr_a : word_ptr_t;
signal ram_din_a : unsigned(31 downto 0);
signal ram_dout_a : unsigned(31 downto 0);
signal ram_dout_b : unsigned(31 downto 0);
signal ram_en_b : std_logic;
signal ram_we_b : std_logic;
signal ram_addr_b : word_ptr_t;
signal ram_din_b : unsigned(31 downto 0);
signal sipo_32bit_dout : unsigned(31 downto 0);
signal sipo_32bit_dout_be : unsigned(3 downto 0);
signal sipo_32bit_dout_vld : std_logic;
signal sipo_32bit_dout_en : std_logic;
signal sipo_32bit_en : std_logic;
signal sipo_32bit_rst : std_logic;
signal sipo32_din : unsigned(7 downto 0);
signal sipo32_din_vld : std_logic;
signal sipo32_dout : unsigned(31 downto 0);
signal sipo32_dout_be : unsigned(3 downto 0);
signal sipo32_dout_vld : std_logic;
signal sipo32_dout_en : std_logic;
signal sipo32_en : std_logic;
signal sipo32_rst : std_logic;
signal sipo_8bit_dout : unsigned(7 downto 0);
signal sipo_8bit_rst : std_logic;
signal sipo_8bit_dout_vld : std_logic;
signal sipo_8bit_dout_en : std_logic;
signal sipo_8bit_en : std_logic;
signal byte_count_en : std_logic;
signal sipo8_dout : unsigned(7 downto 0);
signal sipo8_rst : std_logic;
signal sipo8_dout_vld : std_logic;
signal sipo8_dout_en : std_logic;
signal sipo8_en : std_logic;
signal byte_count_rst : std_logic;
signal byte_count : word_ptr_t;
signal byte_count_reg : word_ptr_t;
signal word_count : word_ptr_t;
signal word_count_en : std_logic;
signal size_fifo_full : std_logic;
signal size_fifo_empty : std_logic;
signal size_fifo_we : std_logic;
signal size_fifo_re : std_logic;
signal size_fifo_din : unsigned(2*word_ptr_t'length-1 downto 0);
signal size_fifo_dout : unsigned(2*word_ptr_t'length-1 downto 0);
signal reset_pipe : unsigned(31 downto 0);
signal preamble_en : std_logic;
signal preamble_rdy : std_logic;
signal preamble_bsy : std_logic;
signal preamble_OK : std_logic;
signal mac_chk_rdy : std_logic;
signal mac_chk_BC : std_logic;
signal mac_chk_OK : std_logic;
signal mac_chk_num_OK : natural range 0 to 6;
signal mac_chk_num_BC : natural range 0 to 6;
signal mac_chk_cnt : natural range 0 to 5;
signal mac_addr : mac_addr_t;
signal mac_chk_addr : mac_addr_t;
signal Gbps_en : std_logic;
signal rx_en : std_logic;
type host_state_t is (host_init, host_flush, host_idle);
signal host_s, host_sn : host_state_t;
type xfer_state_t is (xfer_init, xfer_idle, xfer_setup, xfer_active, xfer_drop, xfer_commit, xfer_free);
type xfer_state_t is (xfer_init, xfer_idle, xfer_preamble, xfer_setup, xfer_active, xfer_finish, xfer_commit);
signal xfer_s, xfer_sn : xfer_state_t;
type stream_state_t is (stream_init, stream_idle, stream_start, stream_active, stream_stop, stream_finish);
signal stream_s, stream_sn : stream_state_t;
alias cmd_mac_ok_in is cmd_fifo_din(cmd_fifo_din'left);
alias cmd_bcast_in is cmd_fifo_din(cmd_fifo_din'left-1);
alias cmd_pkt_valid_in is cmd_fifo_din(cmd_fifo_din'left-2);
alias cmd_nbytes_in is cmd_fifo_din(word_ptr_t'length-1 downto 0);
alias cmd_base_in is cmd_fifo_din(2*word_ptr_t'length-1 downto word_ptr_t'length);
alias cmd_mac_ok_out is cmd_fifo_dout(cmd_fifo_dout'left);
alias cmd_bcast_out is cmd_fifo_dout(cmd_fifo_dout'left-1);
alias cmd_pkt_valid_out is cmd_fifo_dout(cmd_fifo_dout'left-2);
alias cmd_nbytes_out is cmd_fifo_dout(word_ptr_t'length-1 downto 0);
alias cmd_base_out is cmd_fifo_dout(2*word_ptr_t'length-1 downto word_ptr_t'length);
begin
ctrl_out.rx_size <= cmd_fifo_dout(31 downto 16);
ctrl_out.pkt_avail <= not cmd_fifo_empty;
ctrl_out.rx_er <= mii_rx_er;
ctrl_out.reset_busy <= reset_en;
dout <= ram_dout_a;
mii_fifo_din <= sipo_32bit_dout;
mii_fifo_we <= sipo_32bit_dout_vld;
ram_en_a <= '1';
ram_din_a <= (others => '-');
ram_addr_a <= fill_ptr;
ram_we_a <= '0';
ram_en_b <= '1';
ram_din_b <= mii_fifo_dout;
ram_addr_b <= xfer_ptr;
ram_we_b <= xfer_ptr_adv;
ctrl_out.rx_size <= resize(cmd_nbytes_out, 16);
ctrl_out.pkt_avail <= not cmd_fifo_empty;
ctrl_out.pkt_valid <= cmd_pkt_valid_out;
ctrl_out.pkt_bcast <= cmd_bcast_out;
ctrl_out.pkt_mac_match <= cmd_mac_ok_out;
ctrl_out.reset_busy <= reset_en;
cmd_fifo_we <= commit_en;
cmd_fifo_re <= ctrl_in.pkt_free_en;
cmd_fifo_din <= resize(size_fifo_dout(word_ptr_t'length-1 downto 0), 16) & resize(xfer_base, 16);
dout <= ram_dout_b;
ram_en_b <= '1';
ram_addr_b <= host_ptr;
ram_en_a <= '1';
ram_din_a <= sipo32_dout;
ram_addr_a <= xfer_ptr;
ram_we_a <= xfer_en and sipo32_dout_vld;
size_fifo_din <= word_count & byte_count_reg;
reset_en <= reset_pipe(reset_pipe'left);
xfer_vld <= mac_chk_OK or mac_chk_BC or xfer_promiscious;
cmd_fifo_we <= commit_en and xfer_vld;
cmd_fifo_re <= ctrl_in.pkt_free_en;
cmd_pkt_valid_in <= '1';
cmd_mac_ok_in <= mac_chk_OK;
cmd_bcast_in <= mac_chk_BC;
cmd_nbytes_in <= byte_count;
cmd_base_in <= xfer_base;
reset_en <= reset_pipe(reset_pipe'left);
------------------------------------------------------------------
reset_gen:
@@ -167,9 +178,9 @@ fill_pointer:
if rising_edge(clk) then
dout_vld <= ctrl_in.pkt_read_en;
if ctrl_in.pkt_req_en = '1' then
fill_ptr <= resize(cmd_fifo_dout(15 downto 0), word_ptr_t'length);
host_ptr <= cmd_base_out;
elsif ctrl_in.pkt_read_en = '1' then
fill_ptr <= fill_ptr + 1;
host_ptr <= host_ptr + 1;
end if;
end if;
end process;
@@ -177,10 +188,148 @@ fill_pointer:
------------------------------------------------------------------
-- Transfer stuff
------------------------------------------------------------------
xfer_state_next:
host2xfer_sync_register:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
xfer_promiscious <= ctrl_in.promiscious;
Gbps_en <= ctrl_in.Gbps_en;
mac_addr <= ctrl_in.mac_addr;
xfer_ram_limit <= host_ram_limit;
end if;
end process;
host_limit_register:
process(clk)
begin
if rising_edge(clk) then
host_ram_base <= xfer_base;
if cmd_fifo_empty = '1' then
host_ram_limit <= host_ram_base - 1;
else
host_ram_limit <= cmd_base_out - 1;
end if;
end if;
end process;
xfer_ram_full_detect:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if xfer_set = '1' or reset_en = '1' then
xfer_ram_full <= '0';
elsif xfer_en = '1' and sipo32_dout_vld = '1' then
if xfer_ptr = xfer_ram_limit then
xfer_ram_full <= '1';
end if;
end if;
end if;
end process;
xfer_base_logic:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if reset_en = '1' then
xfer_base <= (others => '0');
elsif commit_en = '1' and xfer_vld = '1' then
xfer_base <= xfer_ptr;
end if;
end if;
end process;
xfer_pointer:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if xfer_set = '1' then
xfer_ptr <= xfer_base;
elsif xfer_en = '1' and sipo32_dout_vld = '1' then
xfer_ptr <= xfer_ptr + 1;
end if;
end if;
end process;
------------------------------------------------------------------
byte_counter:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if byte_count_rst = '1' then
byte_count <= (others => '0');
elsif sipo32_en = '1' and sipo32_din_vld = '1' then
byte_count <= byte_count + 1;
end if;
end if;
end process;
preamble_sync_logic:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if preamble_en = '0' then
preamble_rdy <= '0';
preamble_bsy <= '0';
preamble_OK <= '0';
elsif sipo32_din_vld = '1' then
if preamble_bsy = '1' then
if sipo32_din = X"D5" then
preamble_OK <= '1';
end if;
end if;
if sipo32_din /= X"55" then
preamble_bsy <= '0';
preamble_rdy <= preamble_bsy;
else
preamble_bsy <= '1';
end if;
end if;
end if;
end process;
mac_check_logic:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if byte_count_rst = '1' then
mac_chk_rdy <= '0';
mac_chk_OK <= '0';
mac_chk_BC <= '0';
mac_chk_cnt <= 0;
mac_chk_num_OK <= 0;
mac_chk_num_BC <= 0;
mac_chk_addr <= mac_addr;
elsif mac_chk_rdy = '1' then
if mac_chk_num_OK = 6 then
mac_chk_OK <= '1';
end if;
if mac_chk_num_BC = 6 then
mac_chk_BC <= '1';
end if;
elsif sipo32_din_vld = '1' and sipo32_en = '1' then
if sipo32_din = mac_chk_addr(mac_chk_cnt) then
mac_chk_num_OK <= mac_chk_num_OK + 1;
end if;
if sipo32_din = X"FF" then
mac_chk_num_BC <= mac_chk_num_BC + 1;
end if;
if mac_chk_cnt /= 5 then
mac_chk_cnt <= mac_chk_cnt + 1;
else
mac_chk_rdy <= '1';
end if;
end if;
end if;
end process;
------------------------------------------------------------------
xfer_state_next:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if reset_en = '1' then
xfer_s <= xfer_init;
else
@@ -190,274 +339,89 @@ xfer_state_next:
end process;
xfer_state:
process(xfer_s, size_fifo_empty, mii_fifo_empty, xfer_rdy, xfer_ram_full)
process(xfer_s, rx_en, sipo32_dout_en, preamble_bsy, preamble_OK, xfer_ram_full)
begin
commit_en <= '0';
xfer_ptr_set <= '0';
xfer_ptr_adv <= '0';
xfer_cnt_set <= '0';
xfer_cnt_adv <= '0';
size_fifo_re <= '0';
mii_fifo_re <= '0';
xfer_set <= '0';
xfer_en <= '0';
sipo32_rst <= '0';
sipo32_en <= '0';
byte_count_rst <= '0';
preamble_en <= '0';
xfer_sn <= xfer_s;
case xfer_s is
when xfer_init =>
xfer_sn <= xfer_idle;
sipo32_rst <= '1';
if rx_en = '0' then
xfer_sn <= xfer_idle;
end if;
when xfer_idle =>
if mii_fifo_empty = '0' then
xfer_sn <= xfer_setup;
end if;
preamble_en <= rx_en;
if preamble_bsy = '1' then
xfer_sn <= xfer_preamble;
end if;
when xfer_preamble =>
preamble_en <= rx_en;
byte_count_rst <= preamble_bsy;
sipo32_en <= rx_en and not preamble_bsy;
if preamble_bsy = '0' then
xfer_sn <= xfer_init;
if preamble_OK = '1' then
xfer_sn <= xfer_setup;
end if;
end if;
when xfer_setup =>
xfer_cnt_set <= '1';
xfer_ptr_set <= '1';
xfer_sn <= xfer_active;
xfer_set <= '1';
sipo32_en <= rx_en;
xfer_en <= sipo32_dout_en;
xfer_sn <= xfer_active;
when xfer_active =>
mii_fifo_re <= '1';
xfer_cnt_adv <= not mii_fifo_empty;
xfer_ptr_adv <= not mii_fifo_empty;
xfer_en <= sipo32_dout_en;
sipo32_en <= rx_en;
if xfer_ram_full = '1' then
xfer_sn <= xfer_drop;
elsif size_fifo_empty = '0' then
if xfer_rdy = '1' then
xfer_sn <= xfer_free;
end if;
end if;
xfer_sn <= xfer_init;
elsif rx_en = '0' then
xfer_sn <= xfer_finish;
end if;
when xfer_drop =>
mii_fifo_re <= '1';
xfer_cnt_adv <= not mii_fifo_empty;
if size_fifo_empty = '0' then
if xfer_rdy = '1' then
xfer_sn <= xfer_free;
end if;
end if;
when xfer_finish =>
xfer_en <= sipo32_dout_en;
if sipo32_dout_en = '0' then
xfer_sn <= xfer_commit;
end if;
when xfer_free =>
size_fifo_re <= '1';
commit_en <= not xfer_ram_full;
xfer_sn <= xfer_idle;
when xfer_commit =>
commit_en <= '1';
xfer_sn <= xfer_init;
when others =>
xfer_sn <= xfer_idle;
end case;
end process;
------------------------------------------------------------------
pkt_lost_register:
process(clk)
begin
if rising_edge(clk) then
if reset_en = '1' then
ctrl_out.pkt_lost <= '0';
elsif size_fifo_re = '1' and xfer_ram_full = '1' then
ctrl_out.pkt_lost <= '1';
elsif ctrl_in.pkt_free_en = '1' then
ctrl_out.pkt_lost <= '0';
end if;
end if;
end process;
xfer_limit_register:
process(clk)
begin
if rising_edge(clk) then
if xfer_ptr_set = '1' then
if cmd_fifo_empty = '1' then
xfer_ram_limit <= xfer_base - 1;
else
xfer_ram_limit <= resize(cmd_fifo_dout(15 downto 0), word_ptr_t'length) - 1;
end if;
end if;
end if;
end process;
xfer_ram_full_detect:
process(clk)
begin
if rising_edge(clk) then
if xfer_ptr_set = '1' or reset_en = '1' then
xfer_ram_full <= '0';
elsif xfer_ptr_adv = '1' then
if xfer_ptr = xfer_ram_limit then
xfer_ram_full <= '1';
end if;
end if;
end if;
end process;
xfer_counter:
process(clk)
begin
if rising_edge(clk) then
if xfer_cnt_set = '1' then
xfer_rdy <= '0';
elsif xfer_size = size_fifo_dout(size_fifo_dout'left downto word_ptr_t'length) then
xfer_rdy <= '1';
end if;
if xfer_cnt_set = '1' then
xfer_size <= (others => '0');
elsif xfer_cnt_adv = '1' then
xfer_size <= xfer_size + 1;
end if;
end if;
end process;
xfer_pointer:
process(clk)
begin
if rising_edge(clk) then
if xfer_ptr_set = '1' then
xfer_ptr <= xfer_base;
elsif xfer_ptr_adv = '1' then
xfer_ptr <= xfer_ptr + 1;
end if;
end if;
end process;
xfer_base_logic:
process(clk)
begin
if rising_edge(clk) then
if reset_en = '1' then
xfer_base <= (others => '0');
elsif commit_en = '1' then
xfer_base <= xfer_ptr;
end if;
end if;
end process;
------------------------------------------------------------------
byte_counter:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if sipo_8bit_rst = '1' then
byte_count <= (others => '0');
elsif byte_count_en = '1' and sipo_8bit_dout_vld = '1' then
byte_count <= byte_count + 1;
end if;
end if;
end process;
byte_count_register:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if sipo_8bit_rst = '1' then
byte_count_reg <= byte_count;
end if;
end if;
end process;
word_counter:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if sipo_32bit_rst = '1' then
word_count <= (others => '0');
elsif word_count_en = '1' and sipo_32bit_dout_vld = '1' then
word_count <= word_count + 1;
end if;
end if;
end process;
------------------------------------------------------------------
stream_state_next:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if reset_en = '1' then
stream_s <= stream_init;
else
stream_s <= stream_sn;
end if;
end if;
end process;
stream_state:
process(stream_s, sipo_8bit_dout_en, sipo_32bit_dout_en)
begin
sipo_32bit_en <= '0';
sipo_32bit_rst <= '0';
sipo_8bit_rst <= '0';
word_count_en <= sipo_32bit_dout_en;
byte_count_en <= sipo_8bit_dout_en;
size_fifo_we <= '0';
stream_sn <= stream_s;
case stream_s is
when stream_init =>
sipo_32bit_rst <= '1';
sipo_8bit_rst <= '1';
if sipo_8bit_dout_en = '0' then
stream_sn <= stream_idle;
end if;
when stream_idle =>
sipo_32bit_en <= sipo_8bit_dout_en;
if sipo_8bit_dout_en = '1' then
stream_sn <= stream_start;
end if;
when stream_start =>
sipo_32bit_en <= sipo_8bit_dout_en;
if sipo_8bit_dout_en = '1' then
stream_sn <= stream_active;
end if;
when stream_active =>
sipo_32bit_en <= sipo_8bit_dout_en;
if sipo_8bit_dout_en = '0' then
stream_sn <= stream_stop;
sipo_8bit_rst <= '1';
end if;
when stream_stop =>
sipo_32bit_en <= '0';
if sipo_32bit_dout_en = '0' then
stream_sn <= stream_finish;
end if;
when stream_finish =>
size_fifo_we <= '1';
stream_sn <= stream_idle;
sipo_32bit_rst <= '1';
when others =>
stream_sn <= stream_idle;
xfer_sn <= xfer_init;
end case;
end process;
------------------------------------------------------------------
-- Instantiate synchronous FIFO
inst_cmd_fifo: entity work.fifo_sync
inst_cmd_fifo: entity work.fifo_async
GENERIC MAP
(
addr_width => NextExpBaseTwo(RAM_SIZE) - 4, -- RAMSIZE(words)/MIN_PACKET_LEN(words)
data_width => cmd_fifo_din'length,
do_last_read_update => true
do_last_read_update => false
)
PORT MAP
(
rst => reset_en,
clk => clk,
clk_w => mii_rx_clk,
clk_r => clk,
we => cmd_fifo_we,
re => cmd_fifo_re,
fifo_full => cmd_fifo_full,
@@ -476,64 +440,18 @@ inst_ram : entity work.dpram_1w1r
)
PORT MAP
(
clka => clk,
clka => mii_rx_clk,
clkb => clk,
en_a => ram_en_b,
en_b => ram_en_a,
we_a => ram_we_b,
addr_a => ram_addr_b,
addr_b => ram_addr_a,
din_a => ram_din_b,
dout_b => ram_dout_a
en_a => ram_en_a,
en_b => ram_en_b,
we_a => ram_we_a,
addr_a => ram_addr_a,
addr_b => ram_addr_b,
din_a => ram_din_a,
dout_b => ram_dout_b
);
-- Instantiate synchronous FIFO
inst_mii_fifo: entity work.fifo_async
GENERIC MAP
(
addr_width => 4,
data_width => mii_fifo_din'length,
do_last_read_update => true
)
PORT MAP
(
rst => reset_en,
clk_w => mii_rx_clk,
clk_r => clk,
we => mii_fifo_we,
re => mii_fifo_re,
fifo_full => mii_fifo_full,
fifo_empty => mii_fifo_empty,
fifo_afull => open,
fifo_aempty => open,
data_w => mii_fifo_din,
data_r => mii_fifo_dout
);
-- Instantiate synchronous FIFO
inst_size_fifo: entity work.fifo_async
GENERIC MAP
(
addr_width => 1,
data_width => 2*word_ptr_t'length,
do_last_read_update => true
)
PORT MAP
(
rst => reset_en,
clk_w => mii_rx_clk,
clk_r => clk,
we => size_fifo_we,
re => size_fifo_re,
fifo_full => size_fifo_full,
fifo_empty => size_fifo_empty,
fifo_afull => open,
fifo_aempty => open,
data_w => size_fifo_din,
data_r => size_fifo_dout
);
inst_sipo : entity work.sipo
inst_sipo32 : entity work.sipo
GENERIC MAP
(
data_width_in => 8,
@@ -542,18 +460,33 @@ inst_sipo : entity work.sipo
)
PORT MAP
(
rst => sipo_32bit_rst,
rst => sipo32_rst,
clk => mii_rx_clk,
din_vld => sipo_8bit_dout_vld,
din_en => sipo_32bit_en,
din => sipo_8bit_dout,
dout_be => sipo_32bit_dout_be,
dout_vld => sipo_32bit_dout_vld,
dout => sipo_32bit_dout,
dout_en => sipo_32bit_dout_en
din_vld => sipo32_din_vld,
din_en => sipo32_en,
din => sipo32_din,
dout_be => sipo32_dout_be,
dout_vld => sipo32_dout_vld,
dout => sipo32_dout,
dout_en => sipo32_dout_en
);
mii_input_register:
process(mii_rx_clk)
begin
if rising_edge(mii_rx_clk) then
if Gbps_en = '1' then
sipo32_din <= mii_rx;
sipo32_din_vld <= not mii_rx_er;
rx_en <= mii_rx_dv;
else
sipo32_din <= sipo8_dout;
sipo32_din_vld <= sipo8_dout_vld;
rx_en <= sipo8_dout_en;
end if;
end if;
end process;
inst_sipo_8bit : entity work.sipo
GENERIC MAP
@@ -564,17 +497,19 @@ inst_sipo_8bit : entity work.sipo
)
PORT MAP
(
rst => sipo_8bit_rst,
rst => sipo8_rst,
clk => mii_rx_clk,
din_vld => mii_rx_dv,
din_en => sipo_8bit_en,
din_en => mii_rx_dv,
din => mii_rx(3 downto 0),
dout_be => open,
dout_vld => sipo_8bit_dout_vld,
dout => sipo_8bit_dout,
dout_en => sipo_8bit_dout_en
dout_vld => sipo8_dout_vld,
dout => sipo8_dout,
dout_en => sipo8_dout_en
);
sipo_8bit_en <= mii_rx_dv;
sipo8_rst <= reset_en or not (mii_rx_dv or sipo8_dout_en);
sipo8_en <= not mii_rx_er;
end behavior;
+85 -28
View File
@@ -84,31 +84,60 @@ registers_write:
rx_ctrl_in.pkt_req_en <= '0';
rx_ctrl_in.reset <= '0';
if RST_I = '1' then
rx_int_en <= '0';
tx_int_en <= '0';
tx_ctrl_in.tx_er <= '0';
tx_ctrl_in.tx_size <= (others => '0');
rx_int_en <= '0';
tx_int_en <= '0';
tx_ctrl_in.tx_size <= (others => '0');
rx_ctrl_in.mac_addr <= (X"03", X"02", X"01", X"00", X"07", X"06");
rx_ctrl_in.promiscious <= '0';
tx_ctrl_in.Gbps_en <= '0';
rx_ctrl_in.Gbps_en <= '0';
elsif (STB_I and CYC_I and WE_I) = '1' then
case ADDR_I(5 downto 2) is
-- 0x0000
when "0000" =>
tx_ctrl_in.tx_er <= DAT_I(31);
tx_ctrl_in.reset <= DAT_I(27);
tx_ctrl_in.pkt_alloc_en <= DAT_I(25);
tx_ctrl_in.pkt_commit_en <= DAT_I(24);
rx_ctrl_in.reset <= DAT_I(23);
rx_ctrl_in.pkt_free_en <= DAT_I(17);
rx_ctrl_in.pkt_req_en <= DAT_I(16);
tx_int_en <= DAT_I(5);
rx_ctrl_in.reset <= DAT_I(31);
rx_ctrl_in.Gbps_en <= DAT_I(30);
rx_ctrl_in.promiscious <= DAT_I(23);
rx_ctrl_in.pkt_req_en <= DAT_I(17);
rx_ctrl_in.pkt_free_en <= DAT_I(16);
rx_int_en <= DAT_I(4);
when "0001" =>
tx_ctrl_in.tx_size <= DAT_I(31 downto 16);
-- 0x0004
-- rx_size R/O
-- 0x0008
when "0010" =>
tx_ctrl_in.reset <= DAT_I(31);
tx_ctrl_in.Gbps_en <= DAT_I(30);
tx_ctrl_in.pkt_alloc_en <= DAT_I(17);
tx_ctrl_in.pkt_commit_en <= DAT_I(16);
tx_int_en <= DAT_I(4);
-- 0x000C
when "0011" =>
tx_ctrl_in.tx_size <= DAT_I(15 downto 0);
-- 0x0010
when "0100" =>
tx_din_vld <= '1';
tx_din <= DAT_I;
-- 0x0014
-- Gap
-- 0x0018
when "0110" =>
rx_ctrl_in.mac_addr(0) <= DAT_I(31 downto 24);
rx_ctrl_in.mac_addr(1) <= DAT_I(23 downto 16);
rx_ctrl_in.mac_addr(2) <= DAT_I(15 downto 8);
rx_ctrl_in.mac_addr(3) <= DAT_I(7 downto 0);
-- 0x001C
when "0111" =>
rx_ctrl_in.mac_addr(4) <= DAT_I(31 downto 24);
rx_ctrl_in.mac_addr(5) <= DAT_I(23 downto 16);
when others => null;
end case;
end if;
@@ -125,29 +154,57 @@ registers_read:
if (STB_I and CYC_I) = '1' and WE_I = '0' then
case ADDR_I(5 downto 2) is
when "0000" =>
-- 0x0000
when "0000" =>
ACK_O <= ready;
DAT_O <= (others => '0');
DAT_O(31) <= tx_ctrl_in.tx_er;
DAT_O(30) <= mii_rx_er;
DAT_O(29) <= mii_col;
DAT_O(28) <= mii_crs;
DAT_O(27) <= tx_ctrl_out.reset_busy;
DAT_O(26) <= tx_ctrl_out.pkt_done;
DAT_O(25) <= tx_ctrl_out.pkt_alloc_req;
DAT_O(24) <= tx_ctrl_out.pkt_armed;
DAT_O(23) <= rx_ctrl_out.reset_busy;
DAT_O(17) <= rx_ctrl_out.pkt_lost;
DAT_O(31) <= rx_ctrl_out.reset_busy;
DAT_O(30) <= rx_ctrl_in.Gbps_en;
DAT_O(23) <= rx_ctrl_in.promiscious;
DAT_O(19) <= rx_ctrl_out.pkt_bcast;
DAT_O(18) <= rx_ctrl_out.pkt_mac_match;
DAT_O(17) <= rx_ctrl_out.pkt_valid;
DAT_O(16) <= rx_ctrl_out.pkt_avail;
DAT_O(5) <= tx_int_en;
DAT_O(4) <= rx_int_en;
-- 0x0004
when "0001" =>
ACK_O <= '1';
DAT_O <= tx_ctrl_out.tx_size & rx_ctrl_out.rx_size;
DAT_O <= X"0000" & rx_ctrl_out.rx_size;
-- 0x0008
when "0010" =>
ACK_O <= ready;
DAT_O <= (others => '0');
DAT_O(31) <= tx_ctrl_out.reset_busy;
DAT_O(30) <= tx_ctrl_in.Gbps_en;
DAT_O(24) <= tx_ctrl_out.pkt_done;
DAT_O(17) <= tx_ctrl_out.pkt_alloc_req;
DAT_O(16) <= tx_ctrl_out.pkt_armed;
DAT_O(4) <= tx_int_en;
-- 0x000C
when "0011" =>
ACK_O <= '1';
DAT_O <= X"0000" & tx_ctrl_out.tx_size;
-- 0x0010
when "0100" =>
rx_ctrl_in.pkt_read_en <= '1';
-- 0x0014
-- Gap
-- 0x0018
when "0110" =>
ACK_O <= '1';
DAT_O <= rx_ctrl_in.mac_addr(0) & rx_ctrl_in.mac_addr(1) & rx_ctrl_in.mac_addr(2) & rx_ctrl_in.mac_addr(3);
-- 0x001C
when "0111" =>
ACK_O <= '1';
DAT_O <= rx_ctrl_in.mac_addr(4) & rx_ctrl_in.mac_addr(5) & X"0000";
when others => null;
end case;
end if;
+278 -248
View File
@@ -34,15 +34,8 @@ ARCHITECTURE behavior OF emac_tx IS
subtype word_ptr_t is unsigned(RAM_ADDR_WIDTH-1 downto 0);
signal mii_fifo_din : unsigned(35 downto 0);
signal mii_fifo_dout : unsigned(35 downto 0);
signal mii_fifo_we : std_logic;
signal mii_fifo_re : std_logic;
signal mii_fifo_empty : std_logic;
signal mii_fifo_full : std_logic;
signal cmd_fifo_din : unsigned(35 downto 0);
signal cmd_fifo_dout : unsigned(35 downto 0);
signal cmd_fifo_din : unsigned(2*word_ptr_t'length-1 downto 0);
signal cmd_fifo_dout : unsigned(2*word_ptr_t'length-1 downto 0);
signal cmd_fifo_we : std_logic;
signal cmd_fifo_re : std_logic;
signal cmd_fifo_empty : std_logic;
@@ -54,12 +47,12 @@ ARCHITECTURE behavior OF emac_tx IS
signal fill_size : word_ptr_t;
signal fill_cnt : word_ptr_t;
signal fill_ptr : word_ptr_t;
signal fill_rdy : std_logic;
signal fill_cnt_set : std_logic;
signal fill_cnt_adv : std_logic;
signal fill_ptr_set : std_logic;
signal fill_ptr_adv : std_logic;
signal fill_pre_rdy : std_logic;
signal fill_bsy : std_logic;
signal fill_remain : unsigned(1 downto 0);
signal fill_set : std_logic;
signal fill_en : std_logic;
signal fill_cnt_en : std_logic;
signal alloc_OK : std_logic;
signal alloc_req : std_logic;
@@ -67,57 +60,57 @@ ARCHITECTURE behavior OF emac_tx IS
signal alloc_size : word_ptr_t;
signal alloc_remain : unsigned(1 downto 0);
signal nwords_free : word_ptr_t;
signal mem_alloc_en : std_logic;
signal mem_free_en : std_logic;
signal commit_en : std_logic;
signal uncommit_en : std_logic;
signal mem_alloc_en : std_logic;
signal mem_free_en : std_logic;
signal nwords_free : word_ptr_t;
signal mem_free_req : std_logic;
signal mem_free_ack : unsigned(1 downto 0);
signal xfer_size : word_ptr_t;
signal xfer_ptr : word_ptr_t;
signal xfer_cnt : word_ptr_t;
signal xfer_ptr_set : std_logic;
signal xfer_ptr_adv : std_logic;
signal xfer_cnt_set : std_logic;
signal xfer_cnt_adv : std_logic;
signal xfer_rdy : std_logic;
signal xfer_tag : unsigned(3 downto 0);
signal xfer_remain : unsigned(1 downto 0);
signal xfer_odd : std_logic;
signal xfer_remain_en : std_logic;
signal xfer_set : std_logic;
signal xfer_en : std_logic;
signal xfer_cnt_en : std_logic;
signal xfer_bsy : std_logic;
signal xfer_free_en : std_logic;
signal ram_en_a : std_logic;
signal ram_we_a : std_logic;
signal ram_addr_a : word_ptr_t;
signal ram_din_a : unsigned(31 downto 0);
signal ram_dout_a : unsigned(31 downto 0);
signal ram_din_a : unsigned(35 downto 0);
signal ram_en_b : std_logic;
signal ram_addr_b : word_ptr_t;
signal ram_din_b : unsigned(31 downto 0);
signal ram_dout_b : unsigned(31 downto 0);
signal ram_dout_b : unsigned(35 downto 0);
signal piso_din_be : unsigned(3 downto 0);
signal piso_din_rdy : std_logic;
signal data_vld : std_logic;
signal piso32_din : unsigned(31 downto 0);
signal piso32_din_be : unsigned(3 downto 0);
signal piso32_din_rdy : std_logic;
signal piso32_din_vld : std_logic;
signal piso_dout : unsigned(7 downto 0);
signal piso_dout_vld : std_logic;
signal piso_10mbps_din_rdy : std_logic;
signal tx_en : std_logic;
signal piso32_dout : unsigned(7 downto 0);
signal piso32_dout_vld : std_logic;
signal piso32_dout_en : std_logic;
signal piso8_dout_vld : std_logic;
signal piso8_din_rdy : std_logic;
signal piso8_dout : unsigned(3 downto 0);
signal reset_pipe : unsigned(31 downto 0);
signal Gbps_en : std_logic;
signal reset_pipe : unsigned(31 downto 0);
subtype ifg_cnt_t is natural range 0 to 23; -- 10/100 mbps
-- subtype ifg_cnt_t is natural range 0 to 11; -- 1000 mbps
signal ifg_cnt : ifg_cnt_t;
signal ifg_rdy : std_logic;
signal ifg_idle : std_logic;
type host_state_t is (host_init, host_flush, host_idle, host_alloc, host_setup, host_arm, host_fill, host_commit);
signal ifg_cnt : ifg_cnt_t;
signal ifg_idle : std_logic;
type host_state_t is (host_init, host_idle, host_alloc, host_setup, host_arm, host_fill, host_commit);
signal host_s, host_sn : host_state_t;
type xfer_state_t is (xfer_init, xfer_idle, xfer_setup, xfer_arm, xfer_active, xfer_uncommit, xfer_free, xfer_wait);
type xfer_state_t is (xfer_init, xfer_idle, xfer_start, xfer_preamble0, xfer_preamble1, xfer_active, xfer_crc, xfer_stop, xfer_finish);
signal xfer_s, xfer_sn : xfer_state_t;
type piso_byte_mask_array_t is array (0 to 3) of unsigned (3 downto 0);
@@ -129,35 +122,43 @@ ARCHITECTURE behavior OF emac_tx IS
"1110"
);
signal preamble_en : std_logic;
signal preamble_addr : natural range 0 to 1;
type preamble_t is array (0 to 1) of unsigned(31 downto 0);
constant preamble : preamble_t :=
(
X"55555555",
X"555555D5"
);
begin
ctrl_out.pkt_alloc_req <= alloc_req;
ctrl_out.pkt_done <= cmd_fifo_empty;
ctrl_out.reset_busy <= reset_en;
mii_tx_er <= ctrl_in.tx_er;
ram_en_a <= '1';
ram_we_a <= fill_ptr_adv;
ram_din_a <= din;
ram_en_a <= din_vld;
ram_we_a <= fill_bsy;
ram_din_a(31 downto 0) <= din;
ram_din_a(35 downto 32) <= piso_byte_mask_rom(to_integer(fill_remain)) when fill_pre_rdy = '1' else "1111";
ram_addr_a <= fill_ptr;
piso_din_be <= mii_fifo_dout(35 downto 32);
mii_fifo_re <= piso_din_rdy;
data_vld <= not mii_fifo_empty;
mii_fifo_din(35 downto 32) <= piso_byte_mask_rom(to_integer(xfer_remain)) when xfer_remain_en = '1' else "1111";
mii_fifo_din(31 downto 0) <= ram_dout_b;
piso32_din <= preamble(preamble_addr) when preamble_en = '1' else ram_dout_b(31 downto 0);
piso32_din_be <= "1111" when preamble_en = '1' else ram_dout_b(35 downto 32);
cmd_fifo_we <= commit_en;
cmd_fifo_re <= uncommit_en;
cmd_fifo_din <= fill_remain & "01" & resize(fill_size, 16) & resize(fill_base, 16);
ram_en_b <= not mii_fifo_full;
cmd_fifo_din <= fill_size & fill_base;
ram_en_b <= piso32_din_rdy;
ram_addr_b <= xfer_ptr;
xfer_tag <= cmd_fifo_dout(35 downto 32);
reset_en <= reset_pipe(reset_pipe'left);
xfer_cnt_en <= xfer_bsy and piso32_din_rdy;
fill_cnt_en <= fill_bsy and din_vld;
mem_free_en <= not mem_free_ack(0) and mem_free_ack(1);
------------------------------------------------------------------
reset_gen:
process(clk)
@@ -185,13 +186,11 @@ host_state_next:
end process;
host_state:
process(host_s, alloc_OK, fill_rdy, din_vld, ctrl_in.pkt_commit_en, alloc_req)
process(host_s, alloc_OK, fill_bsy, ctrl_in.pkt_commit_en, alloc_req, mem_free_ack)
begin
fill_cnt_set <= '0';
fill_cnt_adv <= '0';
fill_ptr_set <= '0';
fill_ptr_adv <= '0';
fill_set <= '0';
fill_en <= '0';
commit_en <= '0';
alloc_ack <= '0';
mem_alloc_en <= '0';
@@ -217,18 +216,16 @@ host_state:
end if;
when host_setup =>
fill_set <= '1';
host_sn <= host_arm;
fill_cnt_set <= '1';
fill_ptr_set <= '1';
when host_arm =>
fill_en <= '1';
alloc_ack <= '1';
fill_cnt_adv <= '1';
host_sn <= host_fill;
when host_fill =>
fill_cnt_adv <= din_vld;
fill_ptr_adv <= not fill_rdy and din_vld;
fill_en <= '1';
if alloc_req = '1' then
host_sn <= host_alloc;
elsif ctrl_in.pkt_commit_en = '1' then
@@ -236,9 +233,11 @@ host_state:
end if;
when host_commit =>
commit_en <= '1';
mem_alloc_en <= '1';
host_sn <= host_idle;
if mem_free_ack = "00" then
commit_en <= '1';
mem_alloc_en <= '1';
host_sn <= host_idle;
end if;
when others =>
host_sn <= host_idle;
@@ -265,10 +264,6 @@ alloc_request_logic:
ctrl_out.tx_size <= resize(ctrl_in.tx_size(word_ptr_t'left downto 0), 16);
elsif alloc_ack = '1' then
alloc_req <= '0';
if alloc_OK = '1' then
fill_size <= alloc_size;
fill_remain <= alloc_remain;
end if;
end if;
end if;
end process;
@@ -312,7 +307,7 @@ fill_base_logic:
end process;
------------------------------------------------------------------
nwords_free_counter:
mem_free_counter:
process(clk)
begin
if rising_edge(clk) then
@@ -326,6 +321,47 @@ nwords_free_counter:
end if;
end process;
mem_free_mii:
process(mii_tx_clk)
begin
if rising_edge(mii_tx_clk) then
if reset_en = '1' then
mem_free_req <= '0';
elsif mem_free_ack(0) = '0' then
if xfer_free_en = '1' then
mem_free_req <= '1';
end if;
else
mem_free_req <= '0';
end if;
end if;
end process;
mem_free_host:
process(clk)
begin
if rising_edge(clk) then
mem_free_ack(1) <= mem_free_ack(0);
if reset_en = '1' then
mem_free_ack <= "00";
elsif mem_free_req = '1' then
if mem_alloc_en = '0' then
mem_free_ack(0) <= '1';
end if;
else
mem_free_ack(0) <= '0';
end if;
end if;
end process;
host2xfer_sync_register:
process(mii_tx_clk)
begin
if rising_edge(mii_tx_clk) then
Gbps_en <= ctrl_in.Gbps_en;
end if;
end process;
------------------------------------------------------------------
-- Fill stuff
------------------------------------------------------------------
@@ -333,14 +369,23 @@ fill_counter:
process(clk)
begin
if rising_edge(clk) then
if fill_cnt_set = '1' then
fill_rdy <= '0';
fill_cnt <= fill_size;
elsif fill_cnt_adv = '1' then
if fill_cnt /= 0 then
fill_cnt <= fill_cnt - 1;
else
fill_rdy <= '1';
if fill_set = '1' then
fill_bsy <= '0';
fill_pre_rdy <= '0';
fill_cnt <= alloc_size;
fill_size <= alloc_size;
fill_remain <= alloc_remain;
elsif fill_en = '1' then
fill_bsy <= '1';
if fill_cnt_en = '1' or fill_bsy = '0' then
if fill_cnt /= 1 then
fill_cnt <= fill_cnt - 1;
else
fill_pre_rdy <= '1';
end if;
if fill_pre_rdy = '1' then
fill_bsy <= '0';
end if;
end if;
end if;
end if;
@@ -350,9 +395,9 @@ fill_pointer:
process(clk)
begin
if rising_edge(clk) then
if fill_ptr_set = '1' then
if fill_set = '1' then
fill_ptr <= fill_base;
elsif fill_ptr_adv = '1' then
elsif fill_cnt_en = '1' then
fill_ptr <= fill_ptr + 1;
end if;
end if;
@@ -360,108 +405,15 @@ fill_pointer:
------------------------------------------------------------------
-- Transfer stuff
------------------------------------------------------------------
xfer_state_next:
process(clk)
begin
if rising_edge(clk) then
if reset_en = '1' then
xfer_s <= xfer_init;
else
xfer_s <= xfer_sn;
end if;
end if;
end process;
xfer_state:
process(xfer_s, cmd_fifo_empty, xfer_odd, xfer_rdy, ifg_rdy, mem_alloc_en, mii_fifo_full)
begin
xfer_cnt_set <= '0';
xfer_cnt_adv <= '0';
xfer_ptr_set <= '0';
xfer_ptr_adv <= '0';
xfer_remain_en <= '0';
mii_fifo_we <= '0';
mem_free_en <= '0';
uncommit_en <= '0';
xfer_sn <= xfer_s;
case xfer_s is
when xfer_init =>
xfer_sn <= xfer_idle;
when xfer_idle =>
if cmd_fifo_empty = '0' then
xfer_sn <= xfer_setup;
end if;
when xfer_setup =>
xfer_ptr_set <= '1';
xfer_cnt_set <= '1';
xfer_sn <= xfer_arm;
when xfer_arm =>
xfer_cnt_adv <= '1';
xfer_sn <= xfer_wait;
when xfer_wait =>
if ifg_rdy = '1' then
xfer_sn <= xfer_active;
xfer_cnt_adv <= '1';
xfer_ptr_adv <= '1';
end if;
when xfer_active =>
mii_fifo_we <= '1';
xfer_cnt_adv <= not mii_fifo_full;
xfer_ptr_adv <= not mii_fifo_full;
if xfer_rdy = '1' then
xfer_remain_en <= xfer_odd;
xfer_cnt_adv <= '0';
xfer_ptr_adv <= '0';
if mii_fifo_full = '0' then
xfer_sn <= xfer_uncommit;
end if;
end if;
when xfer_uncommit =>
mem_free_en <= not mem_alloc_en;
if mem_alloc_en = '0' then
uncommit_en <= '1';
xfer_sn <= xfer_free;
end if;
when xfer_free =>
if ifg_rdy = '0' then
xfer_sn <= xfer_idle;
end if;
when others =>
xfer_sn <= xfer_idle;
end case;
end process;
------------------------------------------------------------------
interframe_gap_ready:
process(clk)
begin
if rising_edge(clk) then
ifg_rdy <= ifg_idle;
end if;
end process;
------------------------------------------------------------------
interframe_gap_counter:
process(mii_tx_clk)
begin
if rising_edge(mii_tx_clk) then
ifg_idle <= '0';
if reset_en = '1' or tx_en = '1' then
ifg_cnt <= ifg_cnt_t'high;
if reset_en = '1' or piso32_dout_vld = '1' then
ifg_cnt <= ifg_cnt_t'high;
ifg_idle <= '1';
elsif ifg_cnt /= 0 then
ifg_cnt <= ifg_cnt - 1;
else
@@ -472,19 +424,22 @@ interframe_gap_counter:
------------------------------------------------------------------
xfer_counter:
process(clk)
process(mii_tx_clk)
begin
if rising_edge(clk) then
if xfer_cnt_set = '1' then
if rising_edge(mii_tx_clk) then
xfer_bsy <= '0';
if xfer_set = '1' then
xfer_cnt <= cmd_fifo_dout(cmd_fifo_dout'left downto word_ptr_t'length);
xfer_size <= (others => '0');
xfer_rdy <= '0';
xfer_cnt <= cmd_fifo_dout(xfer_ptr'left+16 downto 16);
elsif xfer_cnt_adv = '1' then
if xfer_cnt /= 0 then
xfer_cnt <= xfer_cnt - 1;
xfer_size <= xfer_size + 1;
else
xfer_rdy <= '1';
elsif xfer_en = '1' then
xfer_bsy <= '1';
if xfer_cnt_en = '1' or xfer_bsy = '0' then
if xfer_cnt /= 0 then
xfer_cnt <= xfer_cnt - 1;
xfer_size <= xfer_size + 1;
else
xfer_bsy <= '0';
end if;
end if;
end if;
end if;
@@ -492,34 +447,117 @@ xfer_counter:
end process;
xfer_pointer:
process(clk)
process(mii_tx_clk)
begin
if rising_edge(clk) then
if xfer_ptr_set = '1' then
if rising_edge(mii_tx_clk) then
if xfer_set = '1' then
xfer_ptr <= cmd_fifo_dout(xfer_ptr'left downto 0);
xfer_remain <= xfer_tag(3 downto 2);
xfer_odd <= '0';
if xfer_tag(3 downto 2) /= "00" then
xfer_odd <= '1';
elsif xfer_en = '1' then
if xfer_bsy = '0' or xfer_cnt_en = '1' then
xfer_ptr <= xfer_ptr + 1;
end if;
elsif xfer_ptr_adv = '1' then
xfer_ptr <= xfer_ptr + 1;
end if;
end if;
end process;
------------------------------------------------------------------
xfer_state_next:
process(mii_tx_clk)
begin
if rising_edge(mii_tx_clk) then
if reset_en = '1' then
xfer_s <= xfer_init;
else
xfer_s <= xfer_sn;
end if;
end if;
end process;
xfer_state:
process(xfer_s, ifg_idle, cmd_fifo_empty, piso32_din_rdy, piso32_dout_vld, xfer_bsy)
begin
piso32_din_vld <= '0';
preamble_en <= '0';
preamble_addr <= 0;
xfer_set <= '0';
xfer_en <= '0';
xfer_free_en <= '0';
uncommit_en <= '0';
xfer_sn <= xfer_s;
case xfer_s is
when xfer_init =>
xfer_sn <= xfer_idle;
when xfer_idle =>
if cmd_fifo_empty = '0' and piso32_din_rdy = '1' then
xfer_sn <= xfer_start;
end if;
when xfer_start =>
xfer_set <= '1';
xfer_sn <= xfer_preamble0;
when xfer_preamble0 =>
preamble_addr <= 0;
preamble_en <= '1';
piso32_din_vld <= '1';
if piso32_din_rdy = '1' then
xfer_sn <= xfer_preamble1;
end if;
when xfer_preamble1 =>
preamble_addr <= 1;
preamble_en <= '1';
piso32_din_vld <= '1';
if piso32_din_rdy = '1' then
xfer_sn <= xfer_active;
xfer_en <= '1';
end if;
when xfer_active =>
piso32_din_vld <= xfer_bsy;
xfer_en <= '1';
if xfer_bsy = '0' then
uncommit_en <= '1';
xfer_free_en <= '1';
xfer_sn <= xfer_crc;
end if;
when xfer_crc =>
xfer_sn <= xfer_stop;
when xfer_stop =>
if piso32_dout_vld = '0' then
xfer_sn <= xfer_finish;
end if;
when xfer_finish =>
if ifg_idle = '0' then
xfer_sn <= xfer_idle;
end if;
when others =>
xfer_sn <= xfer_idle;
end case;
end process;
------------------------------------------------------------------
inst_ram : entity work.dpram_1w1r
GENERIC MAP
(
addr_width => RAM_ADDR_WIDTH,
data_width => 32
data_width => ram_din_a'length
)
PORT MAP
(
clka => clk,
clkb => clk,
clkb => mii_tx_clk,
en_a => ram_en_a,
en_b => ram_en_b,
we_a => ram_we_a,
@@ -530,7 +568,7 @@ inst_ram : entity work.dpram_1w1r
);
-- Instantiate synchronous FIFO
inst_cmd_fifo: entity work.fifo_sync
inst_cmd_fifo: entity work.fifo_async
GENERIC MAP
(
addr_width => NextExpBaseTwo(RAM_SIZE) - 4, -- RAMSIZE(words)/MIN_PACKET_LEN(words)
@@ -540,7 +578,8 @@ inst_cmd_fifo: entity work.fifo_sync
PORT MAP
(
rst => reset_en,
clk => clk,
clk_w => clk,
clk_r => mii_tx_clk,
we => cmd_fifo_we,
re => cmd_fifo_re,
fifo_full => cmd_fifo_full,
@@ -551,30 +590,7 @@ inst_cmd_fifo: entity work.fifo_sync
data_r => cmd_fifo_dout
);
-- Instantiate synchronous FIFO
inst_mii_fifo: entity work.fifo_async
GENERIC MAP
(
addr_width => 4,
data_width => mii_fifo_din'length,
do_last_read_update => true
)
PORT MAP
(
rst => reset_en,
clk_w => clk,
clk_r => mii_tx_clk,
we => mii_fifo_we,
re => mii_fifo_re,
fifo_full => mii_fifo_full,
fifo_empty => mii_fifo_empty,
fifo_afull => open,
fifo_aempty => open,
data_w => mii_fifo_din,
data_r => mii_fifo_dout
);
inst_piso : entity work.piso
inst_piso32 : entity work.piso
GENERIC MAP
(
data_width_in => 32,
@@ -585,17 +601,19 @@ inst_piso : entity work.piso
(
rst => reset_en,
clk => mii_tx_clk,
din_vld => data_vld,
din_rdy => piso_din_rdy,
din_be => piso_din_be,
din => mii_fifo_dout(31 downto 0),
dout_vld => piso_dout_vld,
dout_en => piso_10mbps_din_rdy,
dout => piso_dout
din_vld => piso32_din_vld,
din_rdy => piso32_din_rdy,
din_be => piso32_din_be,
din => piso32_din,
dout_vld => piso32_dout_vld,
dout_en => piso32_dout_en,
dout => piso32_dout
);
inst_piso_10mbps : entity work.piso
piso32_dout_en <= '1' when Gbps_en = '1' else piso8_din_rdy;
inst_piso8 : entity work.piso
GENERIC MAP
(
data_width_in => 8,
@@ -606,17 +624,29 @@ inst_piso_10mbps : entity work.piso
(
rst => reset_en,
clk => mii_tx_clk,
din_vld => piso_dout_vld,
din_rdy => piso_10mbps_din_rdy,
din_vld => piso32_dout_vld,
din_rdy => piso8_din_rdy,
din_be => "11",
din => piso_dout,
dout_vld => tx_en,
din => piso32_dout,
dout_vld => piso8_dout_vld,
dout_en => '1',
dout => mii_tx(3 downto 0)
dout => piso8_dout
);
mii_tx_en <= tx_en;
mii_tx(7 downto 4) <= "0000";
mii_output_register:
process(mii_tx_clk)
begin
if rising_edge(mii_tx_clk) then
mii_tx_er <= '0';
if Gbps_en = '1' then
mii_tx_en <= piso32_dout_vld;
mii_tx <= piso32_dout;
else
mii_tx_en <= piso8_dout_vld;
mii_tx <= "0000" & piso8_dout;
end if;
end if;
end process;
end behavior;
+9 -4
View File
@@ -12,14 +12,15 @@ use IEEE.MATH_REAL.ALL;
package emac_types is
-- Constants
type mac_addr_t is array (0 to 5) of unsigned (7 downto 0);
-- Types
type tx_ctrl_in_t is record
tx_er : std_logic;
Gbps_en : std_logic;
reset : std_logic;
tx_size : unsigned(15 downto 0);
pkt_commit_en : std_logic;
pkt_alloc_en : std_logic;
reset : std_logic;
end record;
type tx_ctrl_out_t is record
@@ -31,16 +32,20 @@ package emac_types is
end record;
type rx_ctrl_in_t is record
Gbps_en : std_logic;
reset : std_logic;
pkt_read_en : std_logic;
pkt_req_en : std_logic;
pkt_free_en : std_logic;
mac_addr : mac_addr_t;
promiscious : std_logic;
end record;
type rx_ctrl_out_t is record
rx_er : std_logic;
pkt_avail : std_logic;
pkt_lost : std_logic;
pkt_valid : std_logic;
pkt_bcast : std_logic;
pkt_mac_match : std_logic;
rx_size : unsigned(15 downto 0);
reset_busy : std_logic;
end record;
+3 -1
View File
@@ -88,8 +88,10 @@ begin
if rising_edge(clk) then
if rst = '1' then
shift_cnt_pipe <= (others => '1');
elsif (din_vld = '1' and din_vld_reg = '0') then
shift_cnt_pipe <= (others => '0');
elsif dout_en = '1' then
if (pre_fin = '1' and din_vld_reg = '1') or (din_vld = '1' and din_vld_reg = '0') then
if (pre_fin = '1' and din_vld_reg = '1') then
shift_cnt_pipe <= (others => '0');
else
shift_cnt_pipe <= shift_cnt_pipe(shift_cnt_pipe'left-1 downto 0) & '1';
+104 -229
View File
@@ -11,6 +11,7 @@ ENTITY pkt_gen IS
Generic
(
f_sysclk : real := 100.0;
TX_RAM_SIZE : natural := 2048;
PKT_DLY_MIN : real := 1.0E-6;
PKT_DLY_MAX : real := 100.0E-6;
PKT_SIZE_MIN : natural := 64;
@@ -21,6 +22,7 @@ ENTITY pkt_gen IS
(
clk : in STD_LOGIC;
rst : in STD_LOGIC;
en : in STD_LOGIC;
mii_tx_clk : in STD_LOGIC;
mii_tx_en : out STD_LOGIC;
mii_tx_er : out STD_LOGIC;
@@ -38,147 +40,96 @@ ARCHITECTURE behavior OF pkt_gen IS
signal pkt_nwords : word_ptr_t := X"0010";
signal pkt_delay : natural := natural(1.0*f_sysclk);
signal fill_size : word_ptr_t;
signal fill_cnt : word_ptr_t;
signal fill_rdy : std_logic;
signal fill_set : std_logic;
signal fill_en : std_logic;
signal tx_packets : natural;
signal tx_bytes : natural;
signal mii_fifo_din : unsigned(35 downto 0);
signal mii_fifo_dout : unsigned(35 downto 0);
signal mii_fifo_we : std_logic;
signal mii_fifo_re : std_logic;
signal mii_fifo_empty : std_logic;
signal mii_fifo_full : std_logic;
signal xfer_size : word_ptr_t;
signal xfer_ptr : word_ptr_t;
signal xfer_cnt : word_ptr_t;
signal xfer_ptr_set : std_logic;
signal xfer_ptr_adv : std_logic;
signal xfer_cnt_set : std_logic;
signal xfer_cnt_adv : std_logic;
signal xfer_rdy : std_logic;
signal xfer_tag : unsigned(3 downto 0);
signal xfer_remain : unsigned(1 downto 0);
signal xfer_odd : std_logic;
signal xfer_remain_en : std_logic;
signal commit_en : std_logic;
signal piso_din_be : unsigned(3 downto 0);
signal piso_din_rdy : std_logic;
signal data_vld : std_logic;
signal piso_dout : unsigned(7 downto 0);
signal piso_dout_vld : std_logic;
signal piso_10mbps_din_rdy : std_logic;
signal tx_en : std_logic;
subtype inter_frame_gap_cnt_t is natural;
signal inter_frame_gap_cnt : inter_frame_gap_cnt_t;
signal inter_frame_gap_rdy : std_logic;
type xfer_state_t is (xfer_init, xfer_idle, xfer_setup, xfer_wait, xfer_active, xfer_uncommit, xfer_free);
signal xfer_s, xfer_sn : xfer_state_t;
type piso_byte_mask_array_t is array (0 to 3) of unsigned (3 downto 0);
constant piso_byte_mask_rom : piso_byte_mask_array_t :=
(
"1111",
"1000",
"1100",
"1110"
);
signal tx_ctrl_in : tx_ctrl_in_t;
signal tx_ctrl_out : tx_ctrl_out_t;
signal tx_din : unsigned(31 downto 0);
signal tx_din_vld : std_logic;
type host_state_t is (host_init, host_idle, host_alloc, host_setup, host_arm, host_fill, host_commit);
signal host_s, host_sn : host_state_t;
begin
mii_tx_er <= '0';
piso_din_be <= mii_fifo_dout(35 downto 32);
mii_fifo_re <= piso_din_rdy;
data_vld <= not mii_fifo_empty;
mii_fifo_din(35 downto 32) <= piso_byte_mask_rom(to_integer(xfer_remain)) when xfer_remain_en = '1' else "1111";
mii_fifo_din(31 downto 0) <= pkt_data;
------------------------------------------------------------------
-- Transfer stuff
------------------------------------------------------------------
xfer_state_next:
host_state_next:
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
xfer_s <= xfer_init;
host_s <= host_init;
else
xfer_s <= xfer_sn;
host_s <= host_sn;
end if;
end if;
end process;
xfer_state:
process(xfer_s, xfer_odd, xfer_rdy, inter_frame_gap_rdy, mii_fifo_full)
host_state:
process(host_s, tx_ctrl_out, pkt_nbytes, fill_rdy, en)
begin
xfer_cnt_set <= '0';
xfer_cnt_adv <= '0';
xfer_ptr_set <= '0';
xfer_ptr_adv <= '0';
xfer_remain_en <= '0';
mii_fifo_we <= '0';
commit_en <= '0';
tx_ctrl_in.pkt_alloc_en <= '0';
tx_ctrl_in.pkt_commit_en <= '0';
tx_ctrl_in.reset <= '0';
tx_ctrl_in.Gbps_en <= '0';
tx_ctrl_in.tx_size <= pkt_nbytes;
fill_set <= '0';
fill_en <= '0';
xfer_sn <= xfer_s;
host_sn <= host_s;
case xfer_s is
case host_s is
when xfer_init =>
xfer_sn <= xfer_idle;
when host_init =>
if tx_ctrl_out.reset_busy = '0' then
host_sn <= host_idle;
end if;
when xfer_idle =>
xfer_ptr_set <= '1';
xfer_cnt_set <= '1';
xfer_sn <= xfer_wait;
when xfer_wait =>
if inter_frame_gap_rdy = '1' then
xfer_sn <= xfer_setup;
xfer_cnt_adv <= '1';
end if;
when xfer_setup =>
xfer_cnt_adv <= '1';
xfer_ptr_adv <= '1';
xfer_sn <= xfer_active;
when xfer_active =>
mii_fifo_we <= '1';
xfer_cnt_adv <= not mii_fifo_full;
xfer_ptr_adv <= not mii_fifo_full;
if xfer_rdy = '1' then
xfer_remain_en <= xfer_odd;
xfer_cnt_adv <= '0';
xfer_ptr_adv <= '0';
if mii_fifo_full = '0' then
xfer_sn <= xfer_uncommit;
end if;
end if;
when xfer_uncommit =>
commit_en <= '1';
xfer_sn <= xfer_free;
when xfer_free =>
if inter_frame_gap_rdy = '0' then
xfer_sn <= xfer_idle;
when host_idle =>
if tx_ctrl_out.pkt_alloc_req = '0' and en = '1' then
tx_ctrl_in.pkt_alloc_en <= '1';
host_sn <= host_alloc;
end if;
when host_alloc =>
if tx_ctrl_out.pkt_alloc_req = '0' then
if tx_ctrl_out.pkt_armed = '1' then
host_sn <= host_setup;
else
host_sn <= host_idle;
end if;
end if;
when host_setup =>
fill_set <= '1';
host_sn <= host_fill;
when host_fill =>
fill_en <= '1';
if fill_rdy = '1' then
host_sn <= host_commit;
end if;
when host_commit =>
tx_ctrl_in.pkt_commit_en <= '1';
host_sn <= host_idle;
when others =>
xfer_sn <= xfer_idle;
host_sn <= host_idle;
end case;
end process;
------------------------------------------------------------------
pkt_params:
pkt_generator:
process(clk)
variable size : word_ptr_t;
variable delay : natural;
@@ -195,7 +146,7 @@ pkt_params:
seed2 := 12586901;
tx_packets <= 0;
tx_bytes <= 0;
elsif commit_en = '1' then
elsif tx_ctrl_in.pkt_commit_en = '1' then
uniform(seed1, seed2, krand);
size := to_unsigned(PKT_SIZE_MIN + natural(real(PKT_SIZE_MAX-PKT_SIZE_MIN)*krand), word_ptr_t'length);
delay := natural(1.0E6*f_sysclk*(PKT_DLY_MIN + (PKT_DLY_MAX-PKT_DLY_MIN)*krand));
@@ -212,76 +163,24 @@ pkt_params:
end if;
end process;
------------------------------------------------------------------
interframe_gap_counter:
process(mii_tx_clk)
begin
if rising_edge(mii_tx_clk) then
if rst = '1' then
inter_frame_gap_rdy <= '1';
elsif tx_en = '1' then
inter_frame_gap_rdy <= '0';
inter_frame_gap_cnt <= pkt_delay;
elsif inter_frame_gap_cnt /= 0 then
inter_frame_gap_cnt <= inter_frame_gap_cnt - 1;
else
inter_frame_gap_rdy <= '1';
end if;
end if;
end process;
------------------------------------------------------------------
xfer_counter:
process(clk)
begin
if rising_edge(clk) then
if xfer_cnt_set = '1' then
xfer_size <= (others => '0');
xfer_rdy <= '0';
xfer_cnt <= pkt_nwords;
elsif xfer_cnt_adv = '1' then
if xfer_cnt /= 0 then
xfer_cnt <= xfer_cnt - 1;
xfer_size <= xfer_size + 1;
else
xfer_rdy <= '1';
end if;
end if;
end if;
end process;
xfer_pointer:
process(clk)
begin
if rising_edge(clk) then
if xfer_ptr_set = '1' then
xfer_remain <= pkt_nbytes(1 downto 0);
xfer_odd <= '0';
if xfer_tag(3 downto 2) /= "00" then
xfer_odd <= '1';
end if;
end if;
end if;
end process;
------------------------------------------------------------------
pkt_data_gen:
process(clk)
variable data : unsigned(7 downto 0);
begin
if rising_edge(clk) then
if rst = '1' then
data := (others => '0');
elsif xfer_cnt_adv = '1' then
pkt_data(7 downto 0) <= data;
tx_din_vld <= fill_en;
if fill_set = '1' then
data := X"00";
tx_din <= X"03020100";
elsif fill_en = '1' then
tx_din(7 downto 0) <= data;
data := data + 1;
pkt_data(15 downto 8) <= data;
tx_din(15 downto 8) <= data;
data := data + 1;
pkt_data(23 downto 16) <= data;
tx_din(23 downto 16) <= data;
data := data + 1;
pkt_data(31 downto 24) <= data;
tx_din(31 downto 24) <= data;
data := data + 1;
end if;
end if;
@@ -289,71 +188,47 @@ pkt_data_gen:
end process;
------------------------------------------------------------------
-- Instantiate synchronous FIFO
inst_mii_fifo: entity work.fifo_async
pkt_data_counter:
process(clk)
begin
if rising_edge(clk) then
if fill_set = '1' then
fill_size <= (others => '0');
fill_rdy <= '0';
fill_cnt <= pkt_nwords;
elsif fill_en = '1' then
if fill_cnt /= 0 then
fill_cnt <= fill_cnt - 1;
fill_size <= fill_size + 1;
else
fill_rdy <= '1';
end if;
end if;
end if;
end process;
------------------------------------------------------------------
inst_emac_tx : entity work.emac_tx
GENERIC MAP
(
addr_width => 4,
data_width => mii_fifo_din'length,
do_last_read_update => true
)
PORT MAP
(
rst => rst,
clk_w => clk,
clk_r => mii_tx_clk,
we => mii_fifo_we,
re => mii_fifo_re,
fifo_full => mii_fifo_full,
fifo_empty => mii_fifo_empty,
fifo_afull => open,
fifo_aempty => open,
data_w => mii_fifo_din,
data_r => mii_fifo_dout
);
inst_piso : entity work.piso
GENERIC MAP
(
data_width_in => 32,
data_width_out => 8,
msb_first => true
f_sysclk => f_sysclk,
RAM_SIZE => TX_RAM_SIZE
)
PORT MAP
(
clk => clk,
rst => rst,
clk => mii_tx_clk,
din_vld => data_vld,
din_rdy => piso_din_rdy,
din_be => piso_din_be,
din => mii_fifo_dout(31 downto 0),
dout_vld => piso_dout_vld,
dout_en => piso_10mbps_din_rdy,
dout => piso_dout
din_vld => tx_din_vld,
din => tx_din,
ctrl_in => tx_ctrl_in,
ctrl_out => tx_ctrl_out,
mii_tx_clk => mii_tx_clk,
mii_tx_en => mii_tx_en,
mii_tx_er => mii_tx_er,
mii_tx => mii_tx
);
inst_piso_10mbps : entity work.piso
GENERIC MAP
(
data_width_in => 8,
data_width_out => 4,
msb_first => false
)
PORT MAP
(
rst => rst,
clk => mii_tx_clk,
din_vld => piso_dout_vld,
din_rdy => piso_10mbps_din_rdy,
din_be => "11",
din => piso_dout,
dout_vld => tx_en,
dout_en => '1',
dout => mii_tx(3 downto 0)
);
mii_tx_en <= tx_en;
mii_tx(7 downto 4) <= "0000";
end behavior;
+6 -6
View File
@@ -60,7 +60,7 @@ end process;
process(clk)
begin
if rising_edge(clk) then
din_vld_r <= din_vld;
din_vld_r <= din_vld and din_en;
if rst = '1' then
out_en <= '0';
elsif out_en = '0' then
@@ -87,15 +87,15 @@ begin
if rising_edge(clk) then
if rst = '1' or pre_fin = '1' then
if (msb_first) then
shift_cnt_pipe <= (shift_cnt_pipe'left downto 1 => '0') & din_vld;
shift_cnt_pipe <= (shift_cnt_pipe'left downto 1 => '0') & (din_en and din_vld);
else
shift_cnt_pipe <= din_vld & (shift_cnt_pipe'left downto 1 => '0');
shift_cnt_pipe <= (din_en and din_vld) & (shift_cnt_pipe'left downto 1 => '0');
end if;
elsif din_vld = '1' or abort = '1' then
if (msb_first) then
shift_cnt_pipe <= shift_cnt_pipe(shift_cnt_pipe'left-1 downto 0) & din_vld;
shift_cnt_pipe <= shift_cnt_pipe(shift_cnt_pipe'left-1 downto 0) & din_en;
else
shift_cnt_pipe <= din_vld & shift_cnt_pipe(shift_cnt_pipe'left downto 1);
shift_cnt_pipe <= din_en & shift_cnt_pipe(shift_cnt_pipe'left downto 1);
end if;
end if;
end if;
@@ -104,7 +104,7 @@ end process;
process(clk)
begin
if rising_edge(clk) then
if din_vld = '1' or abort = '1' then
if (din_en and din_vld) = '1' or abort = '1' then
if (msb_first) then
shift_pipe <= shift_pipe(shift_pipe'left-data_width_in downto 0) & din;
else
+116 -73
View File
@@ -32,7 +32,7 @@ END tb_emac_top_jb;
ARCHITECTURE behavior OF tb_emac_top_jb IS
constant CLK_PERIOD : time := 10 ns;
constant MII_CLK_PERIOD : time := 40.7 ns;
constant MII_CLK_PERIOD : time := 38.7 ns;
signal CLK : std_logic := '1';
signal RST : std_logic := '1';
@@ -50,6 +50,8 @@ ARCHITECTURE behavior OF tb_emac_top_jb IS
signal DAT_I : unsigned(31 downto 0) := (others => '-');
signal DAT_O : unsigned(31 downto 0) := (others => '-');
signal DAT_O_reg : unsigned(31 downto 0) := (others => '-');
signal status_reg : unsigned(31 downto 0) := (others => '0');
signal size_reg : unsigned(31 downto 0) := (others => '0');
-- MII signals
signal mii_rx_clk_board : std_logic := '1';
@@ -71,7 +73,7 @@ ARCHITECTURE behavior OF tb_emac_top_jb IS
signal pktgen_tx : unsigned(7 downto 0);
signal pktgen_tx_en : std_logic;
signal pktgen_tx_er : std_logic;
signal pktgen_rst : std_logic := '1';
signal pktgen_en : std_logic := '0';
signal dat_o_cnt_en : std_logic := '0';
signal dat_o_cnt_rst : std_logic := '1';
@@ -81,6 +83,12 @@ ARCHITECTURE behavior OF tb_emac_top_jb IS
type emac_action_t is (emac_idle, emac_alloc, emac_write, emac_commit, emac_wait_data, emac_read, emac_free);
signal emac_action : emac_action_t;
constant RX_STATUS_REG_ADDR : unsigned(31 downto 0) := X"0000_0000";
constant RX_SIZE_REG_ADDR : unsigned(31 downto 0) := X"0000_0004";
constant TX_STATUS_REG_ADDR : unsigned(31 downto 0) := X"0000_0008";
constant TX_SIZE_REG_ADDR : unsigned(31 downto 0) := X"0000_000C";
constant DATA_REG_ADDR : unsigned(31 downto 0) := X"0000_0010";
BEGIN
inst_emac_top_jb : entity work.emac_top_jb
@@ -132,7 +140,8 @@ inst_pkt_gen : entity work.pkt_gen
PORT MAP
(
clk => CLK,
rst => pktgen_rst,
rst => RST,
en => pktgen_en,
mii_tx_clk => mii_tx_clk_board,
mii_tx_en => pktgen_tx_en,
mii_tx_er => pktgen_tx_er,
@@ -196,36 +205,45 @@ STIMULUS: process
emac_action <= emac_alloc;
CYC_I <= '1';
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= to_unsigned(size, 16) & X"55AA";
DAT_I <= to_unsigned(size, 32);
STB_I <= '1';
WE_I <= '1';
ADDR_I <= X"0000_0004";
ADDR_I <= TX_SIZE_REG_ADDR;
check_alloc_ok:
while(true) loop
-- set alloc request
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0200_0000";
WE_I <= '0';
STB_I <= '1';
ADDR_I <= TX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
status_reg <= DAT_O;
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0002_0000" or (not X"0001_0000" and status_reg);
STB_I <= '1';
WE_I <= '1';
ADDR_I <= X"0000_0000";
ADDR_I <= TX_STATUS_REG_ADDR;
check_bsy:
while (true) loop
wait until rising_edge(CLK) and SRDY_O = '1';
WE_I <= '0';
STB_I <= '1';
ADDR_I <= X"0000_0000";
ADDR_I <= TX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
status_reg <= DAT_O;
wait until rising_edge(CLK);
if DAT_O_reg(25) = '0' then
if status_reg(17) = '0' then
exit check_bsy;
end if;
end loop;
if DAT_O_reg(24) = '1' then
if status_reg(16) = '1' then
exit check_alloc_ok;
end if;
end loop;
@@ -244,10 +262,18 @@ STIMULUS: process
-- set free request
CYC_I <= '1';
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0100_0000";
WE_I <= '0';
STB_I <= '1';
ADDR_I <= TX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
status_reg <= DAT_O;
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0001_0000" or (not X"0002_0000" and status_reg);
STB_I <= '1';
WE_I <= '1';
ADDR_I <= X"0000_0000";
ADDR_I <= TX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
WE_I <= '0';
@@ -272,7 +298,7 @@ STIMULUS: process
CYC_I <= '1';
wait until rising_edge(CLK) and SRDY_O = '1';
data := X"00";
ADDR_I <= X"0000_0008";
ADDR_I <= DATA_REG_ADDR;
WE_I <= '1';
for i in 1 to num_words loop
STB_I <= '1';
@@ -310,12 +336,13 @@ STIMULUS: process
wait until rising_edge(CLK) and SRDY_O = '1';
WE_I <= '0';
STB_I <= '1';
ADDR_I <= X"0000_0000";
ADDR_I <= RX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
status_reg <= DAT_O;
wait until rising_edge(CLK);
if DAT_O_reg(16) = '1' then
if status_reg(17) = '1' and status_reg(16) = '1' then
exit check_data_avail;
end if;
end loop;
@@ -326,19 +353,28 @@ STIMULUS: process
wait until rising_edge(CLK) and SRDY_O = '1';
WE_I <= '0';
STB_I <= '1';
ADDR_I <= X"0000_0004";
ADDR_I <= RX_SIZE_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
size_reg <= DAT_O;
wait until rising_edge(CLK);
-- set packet request
CYC_I <= '1';
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0001_0000";
WE_I <= '0';
STB_I <= '1';
ADDR_I <= RX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
status_reg <= DAT_O;
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0002_0000" or (not X"0001_0000" and status_reg);
STB_I <= '1';
WE_I <= '1';
ADDR_I <= X"0000_0000";
ADDR_I <= RX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
WE_I <= '0';
@@ -347,7 +383,7 @@ STIMULUS: process
-- Read RX data
size := size_in;
if (size_in = 0) then
size := to_integer(DAT_O_reg(15 downto 0));
size := to_integer(size_reg(15 downto 0));
end if;
if (size mod 4) = 0 then
@@ -360,8 +396,7 @@ STIMULUS: process
dat_o_cnt_en <= '1';
CYC_I <= '1';
wait until rising_edge(CLK) and SRDY_O = '1';
data := X"00";
ADDR_I <= X"0000_0008";
ADDR_I <= DATA_REG_ADDR;
WE_I <= '0';
STB_I <= '1';
for i in 1 to num_words loop
@@ -383,10 +418,18 @@ STIMULUS: process
-- set free request
CYC_I <= '1';
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0002_0000";
WE_I <= '0';
STB_I <= '1';
ADDR_I <= RX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
wait until rising_edge(CLK) and ACK_O = '1';
status_reg <= DAT_O;
wait until rising_edge(CLK) and SRDY_O = '1';
DAT_I <= X"0001_0000" or (not X"0002_0000" and status_reg);
STB_I <= '1';
WE_I <= '1';
ADDR_I <= X"0000_0000";
ADDR_I <= RX_STATUS_REG_ADDR;
wait until rising_edge(CLK) and SRDY_O = '1';
STB_I <= '0';
WE_I <= '0';
@@ -415,11 +458,11 @@ STIMULUS: process
emac_alloc (1004);
for i in 1 to 10 loop
for j in 1 to 500 loop
for j in 1 to 100 loop
emac_alloc (72);
emac_write (72);
end loop;
wait for 2 ms;
wait for 1 ms;
end loop;
wait until rising_edge(mii_tx_clk) and mii_tx_en = '0';
@@ -427,11 +470,11 @@ STIMULUS: process
loop_back_en <= '1';
emac_alloc (72);
emac_write (72);
emac_alloc (74);
emac_write (74);
emac_alloc (104);
emac_write (104);
emac_alloc (105);
emac_write (105);
emac_read (0);
emac_free;
@@ -439,14 +482,14 @@ STIMULUS: process
emac_read (0);
emac_free;
emac_alloc (104);
emac_write (104);
emac_alloc (103);
emac_write (103);
emac_read (0);
emac_free;
emac_alloc (72);
emac_write (72);
emac_alloc (71);
emac_write (71);
emac_read (0);
emac_free;
@@ -454,8 +497,8 @@ STIMULUS: process
emac_alloc (82);
emac_write (82);
emac_alloc (82);
emac_write (82);
emac_alloc (86);
emac_write (86);
emac_read (0);
emac_free;
@@ -463,44 +506,44 @@ STIMULUS: process
emac_read (0);
emac_free;
emac_alloc (77);
emac_write (77);
emac_alloc (99);
emac_write (99);
emac_alloc (65);
emac_write (65);
emac_alloc (321);
emac_write (321);
emac_read (0);
emac_free;
emac_alloc (1111);
emac_write (1111);
emac_read (0);
emac_free;
emac_alloc (73);
emac_write (73);
emac_alloc (107);
emac_write (107);
emac_alloc (83);
emac_write (83);
emac_read (0);
emac_free;
emac_alloc (72);
emac_write (72);
emac_alloc (104);
emac_write (104);
emac_alloc (82);
emac_write (82);
emac_alloc (72);
emac_write (72);
emac_read (0);
emac_free;
emac_alloc (104);
emac_write (104);
emac_read (0);
emac_free;
emac_alloc (72);
emac_write (72);
emac_alloc (104);
emac_write (104);
emac_alloc (82);
emac_write (82);
emac_read (0);
emac_free;
emac_alloc (72);
emac_write (72);
emac_alloc (104);
emac_write (104);
emac_alloc (1003);
emac_write (1003);
emac_read (0);
emac_free;
@@ -526,15 +569,15 @@ STIMULUS: process
wait for 6000*CLK_PERIOD;
loop_back_en <= '0';
pktgen_rst <= '0';
pktgen_en <= '1';
pkt_count <= 0;
for i in 1 to 500 loop
wait for 7 us;
wait for 50 us;
emac_read (0);
emac_free;
pkt_count <= pkt_count + 1;
end loop;
pktgen_rst <= '1';
pktgen_en <= '0';
emac_read (0);
emac_free;