2 files changed, 69 insertions, 0 deletions
diff --git a/include/hw/arm/allwinner-h3.h b/include/hw/arm/allwinner-h3.h
index 2aac9b78ec..abdc20871a 100644
--- a/include/hw/arm/allwinner-h3.h
+++ b/include/hw/arm/allwinner-h3.h
@@ -39,6 +39,7 @@
 #include "hw/arm/boot.h"
 #include "hw/timer/allwinner-a10-pit.h"
 #include "hw/intc/arm_gic.h"
+#include "hw/misc/allwinner-h3-ccu.h"
 #include "target/arm/cpu.h"
 
 /**
@@ -55,6 +56,7 @@ enum {
     AW_H3_SRAM_A1,
     AW_H3_SRAM_A2,
     AW_H3_SRAM_C,
+    AW_H3_CCU,
     AW_H3_PIT,
     AW_H3_UART0,
     AW_H3_UART1,
@@ -97,6 +99,7 @@ typedef struct AwH3State {
     ARMCPU cpus[AW_H3_NUM_CPUS];
     const hwaddr *memmap;
     AwA10PITState timer;
+    AwH3ClockCtlState ccu;
     GICState gic;
     MemoryRegion sram_a1;
     MemoryRegion sram_a2;
diff --git a/include/hw/misc/allwinner-h3-ccu.h b/include/hw/misc/allwinner-h3-ccu.h
new file mode 100644
index 0000000000..eec59649f3
--- /dev/null
+++ b/include/hw/misc/allwinner-h3-ccu.h
@@ -0,0 +1,66 @@
+/*
+ * Allwinner H3 Clock Control Unit emulation
+ *
+ * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_MISC_ALLWINNER_H3_CCU_H
+#define HW_MISC_ALLWINNER_H3_CCU_H
+
+#include "qom/object.h"
+#include "hw/sysbus.h"
+
+/**
+ * @name Constants
+ * @{
+ */
+
+/** Size of register I/O address space used by CCU device */
+#define AW_H3_CCU_IOSIZE        (0x400)
+
+/** Total number of known registers */
+#define AW_H3_CCU_REGS_NUM      (AW_H3_CCU_IOSIZE / sizeof(uint32_t))
+
+/** @} */
+
+/**
+ * @name Object model
+ * @{
+ */
+
+#define TYPE_AW_H3_CCU    "allwinner-h3-ccu"
+#define AW_H3_CCU(obj) \
+    OBJECT_CHECK(AwH3ClockCtlState, (obj), TYPE_AW_H3_CCU)
+
+/** @} */
+
+/**
+ * Allwinner H3 CCU object instance state.
+ */
+typedef struct AwH3ClockCtlState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    /** Maps I/O registers in physical memory */
+    MemoryRegion iomem;
+
+    /** Array of hardware registers */
+    uint32_t regs[AW_H3_CCU_REGS_NUM];
+
+} AwH3ClockCtlState;
+
+#endif /* HW_MISC_ALLWINNER_H3_CCU_H */