diff options
Diffstat (limited to 'top')
| -rwxr-xr-x | top/u2_core/u2_core.v | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/top/u2_core/u2_core.v b/top/u2_core/u2_core.v index 33daf8251..b12a7eaca 100755 --- a/top/u2_core/u2_core.v +++ b/top/u2_core/u2_core.v @@ -427,12 +427,26 @@ module u2_core .in(set_data),.out(serdes_outs),.changed()); setting_reg #(.my_addr(2)) sr_adc (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(adc_outs),.changed()); - setting_reg #(.my_addr(3)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(leds),.changed()); setting_reg #(.my_addr(4)) sr_phy (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), .in(set_data),.out(phy_reset),.changed()); // ///////////////////////////////////////////////////////////////////////// + // LEDS + // register 8 determines whether leds are controlled by SW or not + // 1 = controlled by HW, 0 = by SW + // In Rev3 there are only 6 leds, and the highest one is on the ETH connector + + wire [7:0] led_src, led_sw; + wire [7:0] led_hw = {pps_in,clk_status,serdes_link_up}; + + setting_reg #(.my_addr(3)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), + .in(set_data),.out(led_sw),.changed()); + setting_reg #(.my_addr(8)) sr_led_src (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr), + .in(set_data),.out(led_src),.changed()); + + assign leds = (led_src & led_hw) | (~led_src & led_sw); + + // ///////////////////////////////////////////////////////////////////////// // Ethernet MAC Slave #6 wire Tx_mac_wa, Tx_mac_wr, Tx_mac_sop, Tx_mac_eop; |