diff options
| -rw-r--r-- | main.v | 14 | ||||
| -rw-r--r-- | system_fpga.pcf | 2 |
2 files changed, 13 insertions, 3 deletions
@@ -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 |
