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authorJean-Christophe Dubois <jcd@tribudubois.net>2015-08-13 11:26:20 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-08-13 11:26:20 +0100
commit951cd00e924ed06a72f4c2831f4cf7be9e6b90ef (patch)
tree9bcea091cd0883a9a046eaee9f5df451279c0a7e /include
parentc14875b2e1b70b470492a000e0bc0b19978d34a2 (diff)
downloadhqemu-951cd00e924ed06a72f4c2831f4cf7be9e6b90ef.zip
hqemu-951cd00e924ed06a72f4c2831f4cf7be9e6b90ef.tar.gz
i.MX: Split EPIT emulator in a header file and a source file
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 948927cab0c85da9a753c5f6d5501323d5604c8e.1437080501.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/hw/timer/imx_epit.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/include/hw/timer/imx_epit.h b/include/hw/timer/imx_epit.h
new file mode 100644
index 0000000..c5328ae
--- /dev/null
+++ b/include/hw/timer/imx_epit.h
@@ -0,0 +1,79 @@
+/*
+ * i.MX EPIT Timer
+ *
+ * Copyright (c) 2008 OK Labs
+ * Copyright (c) 2011 NICTA Pty Ltd
+ * Originally written by Hans Jiang
+ * Updated by Peter Chubb
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
+ *
+ * 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.
+ */
+
+#ifndef IMX_EPIT_H
+#define IMX_EPIT_H
+
+#include "hw/sysbus.h"
+#include "hw/ptimer.h"
+
+/*
+ * EPIT: Enhanced periodic interrupt timer
+ */
+
+#define CR_EN (1 << 0)
+#define CR_ENMOD (1 << 1)
+#define CR_OCIEN (1 << 2)
+#define CR_RLD (1 << 3)
+#define CR_PRESCALE_SHIFT (4)
+#define CR_PRESCALE_MASK (0xfff)
+#define CR_SWR (1 << 16)
+#define CR_IOVW (1 << 17)
+#define CR_DBGEN (1 << 18)
+#define CR_WAITEN (1 << 19)
+#define CR_DOZEN (1 << 20)
+#define CR_STOPEN (1 << 21)
+#define CR_CLKSRC_SHIFT (24)
+#define CR_CLKSRC_MASK (0x3 << CR_CLKSRC_SHIFT)
+
+#define EPIT_TIMER_MAX 0XFFFFFFFFUL
+
+#define TYPE_IMX_EPIT "imx.epit"
+#define IMX_EPIT(obj) OBJECT_CHECK(IMXEPITState, (obj), TYPE_IMX_EPIT)
+
+typedef struct IMXEPITState{
+ /*< private >*/
+ SysBusDevice parent_obj;
+
+ /*< public >*/
+ ptimer_state *timer_reload;
+ ptimer_state *timer_cmp;
+ MemoryRegion iomem;
+ DeviceState *ccm;
+
+ uint32_t cr;
+ uint32_t sr;
+ uint32_t lr;
+ uint32_t cmp;
+ uint32_t cnt;
+
+ uint32_t freq;
+ qemu_irq irq;
+} IMXEPITState;
+
+#endif /* IMX_EPIT_H */
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