1 files changed, 64 insertions, 0 deletions
diff --git a/qemu/include/hw/misc/imx_ccm.h b/qemu/include/hw/misc/imx_ccm.h
new file mode 100644
index 000000000..48a7afad5
--- /dev/null
+++ b/qemu/include/hw/misc/imx_ccm.h
@@ -0,0 +1,64 @@
+/*
+ * IMX Clock Control Module base class
+ *
+ * Copyright (C) 2012 NICTA
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef IMX_CCM_H
+#define IMX_CCM_H
+
+#include "hw/sysbus.h"
+
+#define CKIL_FREQ 32768 /* nominal 32khz clock */
+
+/* PLL control registers */
+#define PD(v) (((v) >> 26) & 0xf)
+#define MFD(v) (((v) >> 16) & 0x3ff)
+#define MFI(v) (((v) >> 10) & 0xf);
+#define MFN(v) ((v) & 0x3ff)
+
+#define PLL_PD(x)               (((x) & 0xf) << 26)
+#define PLL_MFD(x)              (((x) & 0x3ff) << 16)
+#define PLL_MFI(x)              (((x) & 0xf) << 10)
+#define PLL_MFN(x)              (((x) & 0x3ff) << 0)
+
+#define TYPE_IMX_CCM "imx.ccm"
+#define IMX_CCM(obj) \
+     OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
+#define IMX_CCM_CLASS(klass) \
+     OBJECT_CLASS_CHECK(IMXCCMClass, (klass), TYPE_IMX_CCM)
+#define IMX_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(IMXCCMClass, (obj), TYPE_IMX_CCM)
+
+typedef struct IMXCCMState {
+    /* <private> */
+    SysBusDevice parent_obj;
+
+    /* <public> */
+
+} IMXCCMState;
+
+typedef enum  {
+    CLK_NONE,
+    CLK_IPG,
+    CLK_IPG_HIGH,
+    CLK_32k
+} IMXClk;
+
+typedef struct IMXCCMClass {
+    /* <private> */
+    SysBusDeviceClass parent_class;
+
+    /* <public> */
+    uint32_t (*get_clock_frequency)(IMXCCMState *s, IMXClk clk);
+} IMXCCMClass;
+
+uint32_t imx_ccm_calc_pll(uint32_t pllreg, uint32_t base_freq);
+
+uint32_t imx_ccm_get_clock_frequency(IMXCCMState *s, IMXClk clock);
+
+#endif /* IMX_CCM_H */