2 * QEMU model of the Xilinx ZynqMP Real Time Clock (RTC).
4 * Copyright (c) 2017 Xilinx Inc.
6 * Written-by: Alistair Francis
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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
27 #ifndef HW_RTC_XLNX_ZYNQMP_H
28 #define HW_RTC_XLNX_ZYNQMP_H
30 #include "hw/register.h"
31 #include "hw/sysbus.h"
32 #include "qom/object.h"
34 #define TYPE_XLNX_ZYNQMP_RTC "xlnx-zynmp.rtc"
36 typedef struct XlnxZynqMPRTC XlnxZynqMPRTC
;
37 DECLARE_INSTANCE_CHECKER(XlnxZynqMPRTC
, XLNX_ZYNQMP_RTC
,
40 REG32(SET_TIME_WRITE
, 0x0)
41 REG32(SET_TIME_READ
, 0x4)
42 REG32(CALIB_WRITE
, 0x8)
43 FIELD(CALIB_WRITE
, FRACTION_EN
, 20, 1)
44 FIELD(CALIB_WRITE
, FRACTION_DATA
, 16, 4)
45 FIELD(CALIB_WRITE
, MAX_TICK
, 0, 16)
46 REG32(CALIB_READ
, 0xc)
47 FIELD(CALIB_READ
, FRACTION_EN
, 20, 1)
48 FIELD(CALIB_READ
, FRACTION_DATA
, 16, 4)
49 FIELD(CALIB_READ
, MAX_TICK
, 0, 16)
50 REG32(CURRENT_TIME
, 0x10)
51 REG32(CURRENT_TICK
, 0x14)
52 FIELD(CURRENT_TICK
, VALUE
, 0, 16)
54 REG32(RTC_INT_STATUS
, 0x20)
55 FIELD(RTC_INT_STATUS
, ALARM
, 1, 1)
56 FIELD(RTC_INT_STATUS
, SECONDS
, 0, 1)
57 REG32(RTC_INT_MASK
, 0x24)
58 FIELD(RTC_INT_MASK
, ALARM
, 1, 1)
59 FIELD(RTC_INT_MASK
, SECONDS
, 0, 1)
60 REG32(RTC_INT_EN
, 0x28)
61 FIELD(RTC_INT_EN
, ALARM
, 1, 1)
62 FIELD(RTC_INT_EN
, SECONDS
, 0, 1)
63 REG32(RTC_INT_DIS
, 0x2c)
64 FIELD(RTC_INT_DIS
, ALARM
, 1, 1)
65 FIELD(RTC_INT_DIS
, SECONDS
, 0, 1)
66 REG32(ADDR_ERROR
, 0x30)
67 FIELD(ADDR_ERROR
, STATUS
, 0, 1)
68 REG32(ADDR_ERROR_INT_MASK
, 0x34)
69 FIELD(ADDR_ERROR_INT_MASK
, MASK
, 0, 1)
70 REG32(ADDR_ERROR_INT_EN
, 0x38)
71 FIELD(ADDR_ERROR_INT_EN
, MASK
, 0, 1)
72 REG32(ADDR_ERROR_INT_DIS
, 0x3c)
73 FIELD(ADDR_ERROR_INT_DIS
, MASK
, 0, 1)
75 FIELD(CONTROL
, BATTERY_DISABLE
, 31, 1)
76 FIELD(CONTROL
, OSC_CNTRL
, 24, 4)
77 FIELD(CONTROL
, SLVERR_ENABLE
, 0, 1)
78 REG32(SAFETY_CHK
, 0x50)
80 #define XLNX_ZYNQMP_RTC_R_MAX (R_SAFETY_CHK + 1)
82 struct XlnxZynqMPRTC
{
83 SysBusDevice parent_obj
;
86 qemu_irq irq_addr_error_int
;
90 uint32_t regs
[XLNX_ZYNQMP_RTC_R_MAX
];
91 RegisterInfo regs_info
[XLNX_ZYNQMP_RTC_R_MAX
];