1 files changed, 77 insertions, 0 deletions
diff --git a/include/hw/timer/aspeed_timer.h b/include/hw/timer/aspeed_timer.h
new file mode 100644
index 000000000..d36034a10
--- /dev/null
+++ b/include/hw/timer/aspeed_timer.h
@@ -0,0 +1,77 @@
+/*
+ *  ASPEED AST2400 Timer
+ *
+ *  Andrew Jeffery <andrew@aj.id.au>
+ *
+ *  Copyright (C) 2016 IBM Corp.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef ASPEED_TIMER_H
+#define ASPEED_TIMER_H
+
+#include "qemu/timer.h"
+#include "hw/misc/aspeed_scu.h"
+#include "qom/object.h"
+
+#define TYPE_ASPEED_TIMER "aspeed.timer"
+OBJECT_DECLARE_TYPE(AspeedTimerCtrlState, AspeedTimerClass, ASPEED_TIMER)
+#define TYPE_ASPEED_2400_TIMER TYPE_ASPEED_TIMER "-ast2400"
+#define TYPE_ASPEED_2500_TIMER TYPE_ASPEED_TIMER "-ast2500"
+#define TYPE_ASPEED_2600_TIMER TYPE_ASPEED_TIMER "-ast2600"
+
+#define ASPEED_TIMER_NR_TIMERS 8
+
+typedef struct AspeedTimer {
+    qemu_irq irq;
+
+    uint8_t id;
+    QEMUTimer timer;
+
+    /**
+     * Track the line level as the ASPEED timers implement edge triggered
+     * interrupts, signalling with both the rising and falling edge.
+     */
+    int32_t level;
+    uint32_t reload;
+    uint32_t match[2];
+    uint64_t start;
+} AspeedTimer;
+
+struct AspeedTimerCtrlState {
+    /*< private >*/
+    SysBusDevice parent;
+
+    /*< public >*/
+    MemoryRegion iomem;
+
+    uint32_t ctrl;
+    uint32_t ctrl2;
+    uint32_t ctrl3;
+    uint32_t irq_sts;
+    AspeedTimer timers[ASPEED_TIMER_NR_TIMERS];
+
+    AspeedSCUState *scu;
+};
+
+
+struct AspeedTimerClass {
+    SysBusDeviceClass parent_class;
+
+    uint64_t (*read)(AspeedTimerCtrlState *s, hwaddr offset);
+    void (*write)(AspeedTimerCtrlState *s, hwaddr offset, uint64_t value);
+};
+
+#endif /* ASPEED_TIMER_H */