lib: xc7series: implement builder pattern for generating COR0 values

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>

lib/include/prjxray/xilinx/xc7series/configuration_options_0_value.h

@@ -0,0 +1,122 @@
+#ifndef PRJXRAY_LIB_XILINX_XC7SERIES_CONFIGURATION_OPTIONS_0_VALUE_H
+#define PRJXRAY_LIB_XILINX_XC7SERIES_CONFIGURATION_OPTIONS_0_VALUE_H
+
+#include <prjxray/bit_ops.h>
+#include <prjxray/xilinx/xc7series/configuration_packet.h>
+#include <prjxray/xilinx/xc7series/configuration_register.h>
+
+namespace prjxray {
+namespace xilinx {
+namespace xc7series {
+
+class ConfigurationOptions0Value {
+       public:
+	enum class StartupClockSource : uint32_t {
+		CCLK = 0x0,
+		User = 0x1,
+		JTAG = 0x2,
+	};
+
+	enum class SignalReleaseCycle : uint32_t {
+		Phase1 = 0x0,
+		Phase2 = 0x1,
+		Phase3 = 0x2,
+		Phase4 = 0x3,
+		Phase5 = 0x4,
+		Phase6 = 0x5,
+		TrackDone = 0x6,
+		Keep = 0x7,
+	};
+
+	enum class StallCycle : uint32_t {
+		Phase0 = 0x0,
+		Phase1 = 0x1,
+		Phase2 = 0x2,
+		Phase3 = 0x3,
+		Phase4 = 0x4,
+		Phase5 = 0x5,
+		Phase6 = 0x6,
+		NoWait = 0x7,
+	};
+
+	ConfigurationOptions0Value() : value_(0) {}
+
+	operator uint32_t() const { return value_; }
+
+	ConfigurationOptions0Value& SetUseDonePinAsPowerdownStatus(
+	    bool enabled) {
+		value_ = bit_field_set(value_, 27, 27, enabled ? 1 : 0);
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetAddPipelineStageForDoneIn(bool enabled) {
+		value_ = bit_field_set(value_, 25, 25, enabled ? 1 : 0);
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetDriveDoneHigh(bool enabled) {
+		value_ = bit_field_set(value_, 24, 24, enabled);
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetReadbackIsSingleShot(bool enabled) {
+		value_ = bit_field_set(value_, 23, 23, enabled);
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetCclkFrequency(uint32_t mhz) {
+		value_ = bit_field_set(value_, 22, 17, mhz);
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetStartupClockSource(
+	    StartupClockSource source) {
+		value_ = bit_field_set(value_, 16, 15,
+		                       static_cast<uint32_t>(source));
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetReleaseDonePinAtStartupCycle(
+	    SignalReleaseCycle cycle) {
+		value_ =
+		    bit_field_set(value_, 14, 12, static_cast<uint32_t>(cycle));
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetStallAtStartupCycleUntilDciMatch(
+	    StallCycle cycle) {
+		value_ =
+		    bit_field_set(value_, 11, 9, static_cast<uint32_t>(cycle));
+		return *this;
+	};
+
+	ConfigurationOptions0Value& SetStallAtStartupCycleUntilMmcmLock(
+	    StallCycle cycle) {
+		value_ =
+		    bit_field_set(value_, 8, 6, static_cast<uint32_t>(cycle));
+		return *this;
+	};
+
+	ConfigurationOptions0Value& SetReleaseGtsSignalAtStartupCycle(
+	    SignalReleaseCycle cycle) {
+		value_ =
+		    bit_field_set(value_, 5, 3, static_cast<uint32_t>(cycle));
+		return *this;
+	}
+
+	ConfigurationOptions0Value& SetReleaseGweSignalAtStartupCycle(
+	    SignalReleaseCycle cycle) {
+		value_ =
+		    bit_field_set(value_, 2, 0, static_cast<uint32_t>(cycle));
+		return *this;
+	}
+
+       private:
+	uint32_t value_;
+};  // namespace xc7series
+
+}  // namespace xc7series
+}  // namespace xilinx
+}  // namespace prjxray
+
+#endif  // PRJXRAY_LIB_XILINX_XC7SERIES_CONFIGURATION_OPTIONS_0_VALUE_H