From 74190de14568f3cd50ba9c6d5b626862ad5f7019 Mon Sep 17 00:00:00 2001 From: Raptor Engineering Development Team Date: Wed, 6 Jun 2018 00:10:43 -0500 Subject: Enable pullup on secondary CPU presence detect pin Bump FPGA version --- main.v | 14 ++++++++++++-- system_fpga.pcf | 2 +- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/main.v b/main.v index 32df956..f238b20 100644 --- a/main.v +++ b/main.v @@ -58,7 +58,7 @@ module system_fpga_top inout i2c_sda, // Second CPU presence detect - input wire cpub_present_n, + input wire cpub_present_l, output wire cpub_clk_oea, output wire cpub_clk_oeb, @@ -126,6 +126,16 @@ module system_fpga_top .D_IN_0(flexver_reset_req_l) ); + // The CPU presence detect line requires a pullup to 3.3V + wire cpub_present_n; + SB_IO #( + .PIN_TYPE(6'b000001), + .PULLUP(1'b1) + ) cpub_present_l_io ( + .PACKAGE_PIN(cpub_present_l), + .D_IN_0(cpub_present_n) + ); + // Make NIC activity lights work // WARNING: Hic Sunt Dracones! // @@ -212,7 +222,7 @@ module system_fpga_top .D_IN_0(i2c_sda_in) ); - parameter fpga_version = 8'h09; + parameter fpga_version = 8'h0a; parameter vendor_id1 = 8'h52; parameter vendor_id2 = 8'h43; parameter vendor_id3 = 8'h53; diff --git a/system_fpga.pcf b/system_fpga.pcf index 2bfc070..2beb0f1 100644 --- a/system_fpga.pcf +++ b/system_fpga.pcf @@ -78,7 +78,7 @@ set_io i2c_scl 86 set_io i2c_sda 85 # CPU B Presence Detect -set_io cpub_present_n 4 +set_io cpub_present_l 4 set_io cpub_clk_oea 10 set_io cpub_clk_oeb 9 -- cgit v1.2.1