LXR qemu/include/hw/rtc/xlnx-zynqmp-rtc.h

   1/*
   2 * QEMU model of the Xilinx ZynqMP Real Time Clock (RTC).
   3 *
   4 * Copyright (c) 2017 Xilinx Inc.
   5 *
   6 * Written-by: Alistair Francis
   7 *
   8 * Permission is hereby granted, free of charge, to any person obtaining a copy
   9 * of this software and associated documentation files (the "Software"), to deal
  10 * in the Software without restriction, including without limitation the rights
  11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 * copies of the Software, and to permit persons to whom the Software is
  13 * furnished to do so, subject to the following conditions:
  14 *
  15 * The above copyright notice and this permission notice shall be included in
  16 * all copies or substantial portions of the Software.
  17 *
  18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24 * THE SOFTWARE.
  25 */
  26
  27#ifndef HW_RTC_XLNX_ZYNQMP_H
  28#define HW_RTC_XLNX_ZYNQMP_H
  29
  30#include "hw/register.h"
  31#include "hw/sysbus.h"
  32#include "qom/object.h"
  33
  34#define TYPE_XLNX_ZYNQMP_RTC "xlnx-zynmp.rtc"
  35
  36OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqMPRTC, XLNX_ZYNQMP_RTC)
  37
  38REG32(SET_TIME_WRITE, 0x0)
  39REG32(SET_TIME_READ, 0x4)
  40REG32(CALIB_WRITE, 0x8)
  41    FIELD(CALIB_WRITE, FRACTION_EN, 20, 1)
  42    FIELD(CALIB_WRITE, FRACTION_DATA, 16, 4)
  43    FIELD(CALIB_WRITE, MAX_TICK, 0, 16)
  44REG32(CALIB_READ, 0xc)
  45    FIELD(CALIB_READ, FRACTION_EN, 20, 1)
  46    FIELD(CALIB_READ, FRACTION_DATA, 16, 4)
  47    FIELD(CALIB_READ, MAX_TICK, 0, 16)
  48REG32(CURRENT_TIME, 0x10)
  49REG32(CURRENT_TICK, 0x14)
  50    FIELD(CURRENT_TICK, VALUE, 0, 16)
  51REG32(ALARM, 0x18)
  52REG32(RTC_INT_STATUS, 0x20)
  53    FIELD(RTC_INT_STATUS, ALARM, 1, 1)
  54    FIELD(RTC_INT_STATUS, SECONDS, 0, 1)
  55REG32(RTC_INT_MASK, 0x24)
  56    FIELD(RTC_INT_MASK, ALARM, 1, 1)
  57    FIELD(RTC_INT_MASK, SECONDS, 0, 1)
  58REG32(RTC_INT_EN, 0x28)
  59    FIELD(RTC_INT_EN, ALARM, 1, 1)
  60    FIELD(RTC_INT_EN, SECONDS, 0, 1)
  61REG32(RTC_INT_DIS, 0x2c)
  62    FIELD(RTC_INT_DIS, ALARM, 1, 1)
  63    FIELD(RTC_INT_DIS, SECONDS, 0, 1)
  64REG32(ADDR_ERROR, 0x30)
  65    FIELD(ADDR_ERROR, STATUS, 0, 1)
  66REG32(ADDR_ERROR_INT_MASK, 0x34)
  67    FIELD(ADDR_ERROR_INT_MASK, MASK, 0, 1)
  68REG32(ADDR_ERROR_INT_EN, 0x38)
  69    FIELD(ADDR_ERROR_INT_EN, MASK, 0, 1)
  70REG32(ADDR_ERROR_INT_DIS, 0x3c)
  71    FIELD(ADDR_ERROR_INT_DIS, MASK, 0, 1)
  72REG32(CONTROL, 0x40)
  73    FIELD(CONTROL, BATTERY_DISABLE, 31, 1)
  74    FIELD(CONTROL, OSC_CNTRL, 24, 4)
  75    FIELD(CONTROL, SLVERR_ENABLE, 0, 1)
  76REG32(SAFETY_CHK, 0x50)
  77
  78#define XLNX_ZYNQMP_RTC_R_MAX (R_SAFETY_CHK + 1)
  79
  80struct XlnxZynqMPRTC {
  81    SysBusDevice parent_obj;
  82    MemoryRegion iomem;
  83    qemu_irq irq_rtc_int;
  84    qemu_irq irq_addr_error_int;
  85
  86    uint32_t tick_offset;
  87
  88    uint32_t regs[XLNX_ZYNQMP_RTC_R_MAX];
  89    RegisterInfo regs_info[XLNX_ZYNQMP_RTC_R_MAX];
  90};
  91
  92#endif
  93