summaryrefslogtreecommitdiffstats
path: root/qemu/include/hw/timer/aspeed_timer.h
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/include/hw/timer/aspeed_timer.h')
-rw-r--r--qemu/include/hw/timer/aspeed_timer.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/qemu/include/hw/timer/aspeed_timer.h b/qemu/include/hw/timer/aspeed_timer.h
new file mode 100644
index 000000000..44dc2f89d
--- /dev/null
+++ b/qemu/include/hw/timer/aspeed_timer.h
@@ -0,0 +1,59 @@
+/*
+ * 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 "hw/ptimer.h"
+
+#define ASPEED_TIMER(obj) \
+ OBJECT_CHECK(AspeedTimerCtrlState, (obj), TYPE_ASPEED_TIMER);
+#define TYPE_ASPEED_TIMER "aspeed.timer"
+#define ASPEED_TIMER_NR_TIMERS 8
+
+typedef struct AspeedTimer {
+ qemu_irq irq;
+
+ uint8_t id;
+
+ /**
+ * Track the line level as the ASPEED timers implement edge triggered
+ * interrupts, signalling with both the rising and falling edge.
+ */
+ int32_t level;
+ ptimer_state *timer;
+ uint32_t reload;
+ uint32_t match[2];
+} AspeedTimer;
+
+typedef struct AspeedTimerCtrlState {
+ /*< private >*/
+ SysBusDevice parent;
+
+ /*< public >*/
+ MemoryRegion iomem;
+
+ uint32_t ctrl;
+ uint32_t ctrl2;
+ AspeedTimer timers[ASPEED_TIMER_NR_TIMERS];
+} AspeedTimerCtrlState;
+
+#endif /* ASPEED_TIMER_H */