include/hw/misc/imx7_snvs.h

   1 /*
   2  * Copyright (c) 2017, Impinj, Inc.
   3  *
   4  * i.MX7 SNVS block emulation code
   5  *
   6  * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   9  * See the COPYING file in the top-level directory.
  10  */
  11
  12 #ifndef IMX7_SNVS_H
  13 #define IMX7_SNVS_H
  14
  15 #include "qemu/bitops.h"
  16 #include "hw/sysbus.h"
  17 #include "qom/object.h"
  18
  19
  20 enum IMX7SNVSRegisters {
  21     SNVS_LPCR = 0x38,
  22     SNVS_LPCR_TOP   = BIT(6),
  23     SNVS_LPCR_DP_EN = BIT(5),
  24     SNVS_LPSRTCMR = 0x050, /* Secure Real Time Counter MSB Register */
  25     SNVS_LPSRTCLR = 0x054, /* Secure Real Time Counter LSB Register */
  26 };
  27
  28 #define TYPE_IMX7_SNVS "imx7.snvs"
  29 OBJECT_DECLARE_SIMPLE_TYPE(IMX7SNVSState, IMX7_SNVS)
  30
  31 struct IMX7SNVSState {
  32     /* <private> */
  33     SysBusDevice parent_obj;
  34
  35     MemoryRegion mmio;
  36
  37     uint64_t tick_offset;
  38     uint64_t lpcr;
  39 };
  40
  41 #endif /* IMX7_SNVS_H */