eda: introduce Cgo-based EDA driver

Author: sbinet

eda/alt_types.h

@@ -0,0 +1,54 @@
+#ifndef __ALT_TYPES_H__
+#define __ALT_TYPES_H__
+
+/******************************************************************************
+ *                                                                             *
+ * License Agreement                                                           *
+ *                                                                             *
+ * Copyright (c) 2009 Altera Corporation, San Jose, California, USA.           *
+ * All rights reserved.                                                        *
+ *                                                                             *
+ * Permission is hereby granted, free of charge, to any person obtaining a     *
+ * copy of this software and associated documentation files (the "Software"),  *
+ * to deal in the Software without restriction, including without limitation   *
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,    *
+ * and/or sell copies of the Software, and to permit persons to whom the       *
+ * Software is furnished to do so, subject to the following conditions:        *
+ *                                                                             *
+ * The above copyright notice and this permission notice shall be included in  *
+ * all copies or substantial portions of the Software.                         *
+ *                                                                             *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  *
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,    *
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      *
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING     *
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER         *
+ * DEALINGS IN THE SOFTWARE.                                                   *
+ *                                                                             *
+ * This agreement shall be governed in all respects by the laws of the State   *
+ * of California and by the laws of the United States of America.              *
+ *                                                                             *
+ * Altera does not recommend, suggest or require that this reference design    *
+ * file be used in conjunction or combination with any other product.          *
+ ******************************************************************************/
+
+/*
+ * Don't declare these typedefs if this file is included by assembly source.
+ */
+#ifndef ALT_ASM_SRC
+typedef signed char alt_8;
+typedef unsigned char alt_u8;
+typedef signed short alt_16;
+typedef unsigned short alt_u16;
+typedef signed long alt_32;
+typedef unsigned long alt_u32;
+typedef long long alt_64;
+typedef unsigned long long alt_u64;
+#endif
+
+#define ALT_INLINE __inline__
+#define ALT_ALWAYS_INLINE __attribute__((always_inline))
+#define ALT_WEAK __attribute__((weak))
+
+#endif /* __ALT_TYPES_H__ */

eda/altera_avalon_fifo_regs.h

@@ -0,0 +1,115 @@
+/******************************************************************************
+ *                                                                             *
+ * License Agreement                                                           *
+ *                                                                             *
+ * Copyright (c) 2006 Altera Corporation, San Jose, California, USA.           *
+ * All rights reserved.                                                        *
+ *                                                                             *
+ * Permission is hereby granted, free of charge, to any person obtaining a     *
+ * copy of this software and associated documentation files (the "Software"),  *
+ * to deal in the Software without restriction, including without limitation   *
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,    *
+ * and/or sell copies of the Software, and to permit persons to whom the       *
+ * Software is furnished to do so, subject to the following conditions:        *
+ *                                                                             *
+ * The above copyright notice and this permission notice shall be included in  *
+ * all copies or substantial portions of the Software.                         *
+ *                                                                             *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  *
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,    *
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      *
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING     *
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER         *
+ * DEALINGS IN THE SOFTWARE.                                                   *
+ *                                                                             *
+ * This agreement shall be governed in all respects by the laws of the State   *
+ * of California and by the laws of the United States of America.              *
+ *                                                                             *
+ ******************************************************************************/
+
+#ifndef __ALTERA_AVALON_FIFO_REGS_H__
+#define __ALTERA_AVALON_FIFO_REGS_H__
+
+#include <io.h>
+
+#define ALTERA_AVALON_FIFO_OTHER_INFO_REG 1
+#define ALTERA_AVALON_FIFO_DATA_REG 0
+
+#define ALTERA_AVALON_FIFO_LEVEL_REG 0
+#define ALTERA_AVALON_FIFO_STATUS_REG 1
+#define ALTERA_AVALON_FIFO_EVENT_REG 2
+#define ALTERA_AVALON_FIFO_IENABLE_REG 3
+#define ALTERA_AVALON_FIFO_ALMOSTFULL_REG 4
+#define ALTERA_AVALON_FIFO_ALMOSTEMPTY_REG 5
+
+// Read slave
+#define IORD_ALTERA_AVALON_FIFO_DATA(base)                                     \
+  IORD(base, ALTERA_AVALON_FIFO_DATA_REG)
+
+#define IORD_ALTERA_AVALON_FIFO_OTHER_INFO(base)                               \
+  IORD(base, ALTERA_AVALON_FIFO_OTHER_INFO_REG)
+
+// Write slave
+#define IOWR_ALTERA_AVALON_FIFO_DATA(base, data)                               \
+  IOWR(base, ALTERA_AVALON_FIFO_DATA_REG, data)
+
+#define IOWR_ALTERA_AVALON_FIFO_OTHER_INFO(base, data)                         \
+  IOWR(base, ALTERA_AVALON_FIFO_OTHER_INFO_REG, data)
+
+// Control slave
+#define IORD_ALTERA_AVALON_FIFO_LEVEL(base)                                    \
+  IORD(base, ALTERA_AVALON_FIFO_LEVEL_REG)
+
+#define IORD_ALTERA_AVALON_FIFO_STATUS(base)                                   \
+  IORD(base, ALTERA_AVALON_FIFO_STATUS_REG)
+
+#define IORD_ALTERA_AVALON_FIFO_EVENT(base)                                    \
+  IORD(base, ALTERA_AVALON_FIFO_EVENT_REG)
+
+#define IORD_ALTERA_AVALON_FIFO_IENABLE(base)                                  \
+  IORD(base, ALTERA_AVALON_FIFO_IENABLE_REG)
+
+#define IORD_ALTERA_AVALON_FIFO_ALMOSTFULL(base)                               \
+  IORD(base, ALTERA_AVALON_FIFO_ALMOSTFULL_REG)
+
+#define IORD_ALTERA_AVALON_FIFO_ALMOSTEMPTY(base)                              \
+  IORD(base, ALTERA_AVALON_FIFO_ALMOSTEMPTY_REG)
+
+#define IOWR_ALTERA_AVALON_FIFO_EVENT(base, data)                              \
+  IOWR(base, ALTERA_AVALON_FIFO_EVENT_REG, data)
+
+#define IOWR_ALTERA_AVALON_FIFO_IENABLE(base, data)                            \
+  IOWR(base, ALTERA_AVALON_FIFO_IENABLE_REG, data)
+
+#define IOWR_ALTERA_AVALON_FIFO_ALMOSTFULL(base, data)                         \
+  IOWR(base, ALTERA_AVALON_FIFO_ALMOSTFULL_REG, data)
+
+#define IOWR_ALTERA_AVALON_FIFO_ALMOSTEMPTY(base, data)                        \
+  IOWR(base, ALTERA_AVALON_FIFO_ALMOSTEMPTY_REG, data)
+
+#define ALTERA_AVALON_FIFO_EVENT_F_MSK (0x01)
+#define ALTERA_AVALON_FIFO_EVENT_E_MSK (0x02)
+#define ALTERA_AVALON_FIFO_EVENT_AF_MSK (0x04)
+#define ALTERA_AVALON_FIFO_EVENT_AE_MSK (0x08)
+#define ALTERA_AVALON_FIFO_EVENT_OVF_MSK (0x10)
+#define ALTERA_AVALON_FIFO_EVENT_UDF_MSK (0x20)
+#define ALTERA_AVALON_FIFO_EVENT_ALL (0x3F)
+
+#define ALTERA_AVALON_FIFO_STATUS_F_MSK (0x01)
+#define ALTERA_AVALON_FIFO_STATUS_E_MSK (0x02)
+#define ALTERA_AVALON_FIFO_STATUS_AF_MSK (0x04)
+#define ALTERA_AVALON_FIFO_STATUS_AE_MSK (0x08)
+#define ALTERA_AVALON_FIFO_STATUS_OVF_MSK (0x10)
+#define ALTERA_AVALON_FIFO_STATUS_UDF_MSK (0x20)
+#define ALTERA_AVALON_FIFO_STATUS_ALL (0x3F)
+
+#define ALTERA_AVALON_FIFO_IENABLE_F_MSK (0x01)
+#define ALTERA_AVALON_FIFO_IENABLE_E_MSK (0x02)
+#define ALTERA_AVALON_FIFO_IENABLE_AF_MSK (0x04)
+#define ALTERA_AVALON_FIFO_IENABLE_AE_MSK (0x08)
+#define ALTERA_AVALON_FIFO_IENABLE_OVF_MSK (0x10)
+#define ALTERA_AVALON_FIFO_IENABLE_UDF_MSK (0x20)
+#define ALTERA_AVALON_FIFO_IENABLE_ALL (0x3F)
+
+#endif /* __ALTERA_AVALON_FIFO_REGS_H__ */

eda/c_device.go

@@ -0,0 +1,83 @@
+// Copyright 2021 The go-lpc Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package eda
+
+/** TO DO LIST
+ *
+ * change HR_id numbering (1 to 8 instead of 0 to 7) (+ processing script)
+ * change trigger_id numbering (start 1) (+ processing script)
+ *
+ */
+
+//#cgo CFLAGS: -g -Wall -std=c99 -D_GNU_SOURCE=1 -I/build/soc_eds/ip/altera/hps/altera_hps/hwlib/include -I.
+//#cgo LDFLAGS arm: -pthread -static
+//
+//#include <stdlib.h>
+//#include <string.h>
+//#include <stdint.h>
+//#include "device.h"
+import "C"
+
+import (
+	"fmt"
+
+	"github.com/go-lpc/mim/conddb"
+)
+
+type cdevice struct {
+	ctx *C.Device_t
+}
+
+var _ device = (*cdevice)(nil)
+
+func newCDevice(devmem, odir, devshm, cfgdir string, opts ...Option) (*cdevice, error) {
+	ctx := C.new_device()
+	if ctx == nil {
+		return nil, fmt.Errorf("ceda: could not create EDA device")
+	}
+
+	return &cdevice{ctx}, nil
+}
+
+func (dev *cdevice) Close() error {
+	if dev.ctx == nil {
+		return nil
+	}
+	C.device_free(dev.ctx)
+	dev.ctx = nil
+	return nil
+}
+
+func (dev *cdevice) Boot(cfg []BootConfig) error {
+	panic("not implemented")
+}
+
+func (dev *cdevice) ConfigureDIF(addr string, dif uint8, asics []conddb.ASIC) error {
+	panic("not implemented")
+}
+
+func (dev *cdevice) Initialize() error {
+	rc := C.device_initialize(dev.ctx)
+	if rc != 0 {
+		return fmt.Errorf("ceda: could not initialize EDA device rc=%d", rc)
+	}
+	return nil
+}
+
+func (dev *cdevice) Start(run uint32) error {
+	rc := C.device_start(dev.ctx, C.uint32_t(run))
+	if rc != 0 {
+		return fmt.Errorf("ceda: could not start EDA device: rc=%d", rc)
+	}
+	return nil
+}
+
+func (dev *cdevice) Stop() error {
+	rc := C.device_stop(dev.ctx)
+	if rc != 0 {
+		return fmt.Errorf("ceda: could not stop EDA device: rc=%d", rc)
+	}
+	return nil
+}