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Diffstat (limited to 'include/hw/intc/sifive_clint.h')
-rw-r--r--include/hw/intc/sifive_clint.h60
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diff --git a/include/hw/intc/sifive_clint.h b/include/hw/intc/sifive_clint.h
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+++ b/include/hw/intc/sifive_clint.h
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+/*
+ * SiFive CLINT (Core Local Interruptor) interface
+ *
+ * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
+ * Copyright (c) 2017 SiFive, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_SIFIVE_CLINT_H
+#define HW_SIFIVE_CLINT_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_SIFIVE_CLINT "riscv.sifive.clint"
+
+#define SIFIVE_CLINT(obj) \
+ OBJECT_CHECK(SiFiveCLINTState, (obj), TYPE_SIFIVE_CLINT)
+
+typedef struct SiFiveCLINTState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+
+ /*< public >*/
+ MemoryRegion mmio;
+ uint32_t hartid_base;
+ uint32_t num_harts;
+ uint32_t sip_base;
+ uint32_t timecmp_base;
+ uint32_t time_base;
+ uint32_t aperture_size;
+ uint32_t timebase_freq;
+} SiFiveCLINTState;
+
+DeviceState *sifive_clint_create(hwaddr addr, hwaddr size,
+ uint32_t hartid_base, uint32_t num_harts, uint32_t sip_base,
+ uint32_t timecmp_base, uint32_t time_base, uint32_t timebase_freq,
+ bool provide_rdtime);
+
+enum {
+ SIFIVE_SIP_BASE = 0x0,
+ SIFIVE_TIMECMP_BASE = 0x4000,
+ SIFIVE_TIME_BASE = 0xBFF8
+};
+
+enum {
+ SIFIVE_CLINT_TIMEBASE_FREQ = 10000000
+};
+
+#endif