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author | Raptor Engineering Development Team <support@raptorengineering.com> | 2018-01-22 01:58:31 -0600 |
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committer | Raptor Engineering Development Team <support@raptorengineering.com> | 2018-01-22 01:59:20 -0600 |
commit | c0e2de66f8b7b4bd5e105e7ea245e216f97c166b (patch) | |
tree | 46bf49e3ccf41381c8803dd098412a0ee6cb782a | |
parent | a11af6c3972179a3f7311822b3c60788b8853319 (diff) | |
download | talos-system-fpga-c0e2de66f8b7b4bd5e105e7ea245e216f97c166b.tar.gz talos-system-fpga-c0e2de66f8b7b4bd5e105e7ea245e216f97c166b.zip |
Separate BMC status and chassis reset request lines
-rw-r--r-- | main.v | 21 | ||||
-rw-r--r-- | system_fpga.pcf | 3 |
2 files changed, 8 insertions, 16 deletions
@@ -14,6 +14,9 @@ module system_fpga_top output reg sysgood, input wire debug_in, + // BMC status + input wire bmc_boot_phase_in, + // Enable outputs output reg vdda_en, output reg vddb_en, @@ -169,21 +172,6 @@ module system_fpga_top .D_OUT_0(1'b1) ); - // The chassis reset request line serves two purposes - // 1.) While the BMC is offline, it indicates U-Boot / Kernel boot phase (1 / 0, respectively) - // 2.) When the BMC goes online, it serves as the active low chassis reset request line - reg chassis_reset_request = 1'b0; - wire bmc_boot_phase_in; - SB_IO #( - .PIN_TYPE(6'b101001), - .PULLUP(1'b1) - ) bmc_system_reset_request_n_io ( - .PACKAGE_PIN(bmc_system_reset_request_n), - .OUTPUT_ENABLE(~bmc_boot_complete_n), - .D_OUT_0(~chassis_reset_request), - .D_IN_0(bmc_boot_phase_in) - ); - // I2C pin control lines wire i2c_scl_in; wire i2c_scl_out; @@ -459,6 +447,7 @@ module system_fpga_top if (!bmc_rst || (bmc_boot_complete_n && (bmc_boot_phase == 2))) begin bmc_boot_phase = 0; end else begin + // While the BMC is offline, bmc_boot_phase_in indicates U-Boot / Kernel boot phase (1 / 0, respectively) if (bmc_boot_phase == 0) begin if (!bmc_boot_phase_in) begin bmc_boot_phase = 1; @@ -961,7 +950,7 @@ module system_fpga_top // Generate master reset request signals always @(posedge clk_in) begin master_reset_reqest = ~(panel_reset_in_l & flexver_reset_in_l); - chassis_reset_request = master_reset_reqest; + bmc_system_reset_request_n = master_reset_reqest; end endmodule diff --git a/system_fpga.pcf b/system_fpga.pcf index 4d1a0cd..7c33711 100644 --- a/system_fpga.pcf +++ b/system_fpga.pcf @@ -34,6 +34,9 @@ set_io sysen 15 set_io sysgood 53 set_io debug_in 25 +# BMC status +set_io bmc_boot_phase_in 100 + # Power Plane Enable set_io vdda_en 72 set_io vddb_en 79 |