xref: /qemu/include/hw/rtc/xlnx-zynqmp-rtc.h (revision 52581c718c5cd55595ca032a56f1e194c5716456)
107664ca6SAlistair Francis /*
207664ca6SAlistair Francis  * QEMU model of the Xilinx ZynqMP Real Time Clock (RTC).
307664ca6SAlistair Francis  *
407664ca6SAlistair Francis  * Copyright (c) 2017 Xilinx Inc.
507664ca6SAlistair Francis  *
68035f85eSPhilippe Mathieu-Daudé  * Written-by: Alistair Francis
707664ca6SAlistair Francis  *
807664ca6SAlistair Francis  * Permission is hereby granted, free of charge, to any person obtaining a copy
907664ca6SAlistair Francis  * of this software and associated documentation files (the "Software"), to deal
1007664ca6SAlistair Francis  * in the Software without restriction, including without limitation the rights
1107664ca6SAlistair Francis  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
1207664ca6SAlistair Francis  * copies of the Software, and to permit persons to whom the Software is
1307664ca6SAlistair Francis  * furnished to do so, subject to the following conditions:
1407664ca6SAlistair Francis  *
1507664ca6SAlistair Francis  * The above copyright notice and this permission notice shall be included in
1607664ca6SAlistair Francis  * all copies or substantial portions of the Software.
1707664ca6SAlistair Francis  *
1807664ca6SAlistair Francis  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1907664ca6SAlistair Francis  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
2007664ca6SAlistair Francis  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
2107664ca6SAlistair Francis  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
2207664ca6SAlistair Francis  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
2307664ca6SAlistair Francis  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
2407664ca6SAlistair Francis  * THE SOFTWARE.
2507664ca6SAlistair Francis  */
2607664ca6SAlistair Francis 
27*52581c71SMarkus Armbruster #ifndef HW_RTC_XLNX_ZYNQMP_RTC_H
28*52581c71SMarkus Armbruster #define HW_RTC_XLNX_ZYNQMP_RTC_H
29f91005e1SMarkus Armbruster 
3007664ca6SAlistair Francis #include "hw/register.h"
31ec150c7eSMarkus Armbruster #include "hw/sysbus.h"
32db1015e9SEduardo Habkost #include "qom/object.h"
3307664ca6SAlistair Francis 
3407664ca6SAlistair Francis #define TYPE_XLNX_ZYNQMP_RTC "xlnx-zynmp.rtc"
3507664ca6SAlistair Francis 
368063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqMPRTC, XLNX_ZYNQMP_RTC)
3707664ca6SAlistair Francis 
3807664ca6SAlistair Francis REG32(SET_TIME_WRITE, 0x0)
3907664ca6SAlistair Francis REG32(SET_TIME_READ, 0x4)
4007664ca6SAlistair Francis REG32(CALIB_WRITE, 0x8)
4107664ca6SAlistair Francis     FIELD(CALIB_WRITE, FRACTION_EN, 20, 1)
4207664ca6SAlistair Francis     FIELD(CALIB_WRITE, FRACTION_DATA, 16, 4)
4307664ca6SAlistair Francis     FIELD(CALIB_WRITE, MAX_TICK, 0, 16)
4407664ca6SAlistair Francis REG32(CALIB_READ, 0xc)
4507664ca6SAlistair Francis     FIELD(CALIB_READ, FRACTION_EN, 20, 1)
4607664ca6SAlistair Francis     FIELD(CALIB_READ, FRACTION_DATA, 16, 4)
4707664ca6SAlistair Francis     FIELD(CALIB_READ, MAX_TICK, 0, 16)
4807664ca6SAlistair Francis REG32(CURRENT_TIME, 0x10)
4907664ca6SAlistair Francis REG32(CURRENT_TICK, 0x14)
5007664ca6SAlistair Francis     FIELD(CURRENT_TICK, VALUE, 0, 16)
5107664ca6SAlistair Francis REG32(ALARM, 0x18)
5207664ca6SAlistair Francis REG32(RTC_INT_STATUS, 0x20)
5307664ca6SAlistair Francis     FIELD(RTC_INT_STATUS, ALARM, 1, 1)
5407664ca6SAlistair Francis     FIELD(RTC_INT_STATUS, SECONDS, 0, 1)
5507664ca6SAlistair Francis REG32(RTC_INT_MASK, 0x24)
5607664ca6SAlistair Francis     FIELD(RTC_INT_MASK, ALARM, 1, 1)
5707664ca6SAlistair Francis     FIELD(RTC_INT_MASK, SECONDS, 0, 1)
5807664ca6SAlistair Francis REG32(RTC_INT_EN, 0x28)
5907664ca6SAlistair Francis     FIELD(RTC_INT_EN, ALARM, 1, 1)
6007664ca6SAlistair Francis     FIELD(RTC_INT_EN, SECONDS, 0, 1)
6107664ca6SAlistair Francis REG32(RTC_INT_DIS, 0x2c)
6207664ca6SAlistair Francis     FIELD(RTC_INT_DIS, ALARM, 1, 1)
6307664ca6SAlistair Francis     FIELD(RTC_INT_DIS, SECONDS, 0, 1)
6407664ca6SAlistair Francis REG32(ADDR_ERROR, 0x30)
6507664ca6SAlistair Francis     FIELD(ADDR_ERROR, STATUS, 0, 1)
6607664ca6SAlistair Francis REG32(ADDR_ERROR_INT_MASK, 0x34)
6707664ca6SAlistair Francis     FIELD(ADDR_ERROR_INT_MASK, MASK, 0, 1)
6807664ca6SAlistair Francis REG32(ADDR_ERROR_INT_EN, 0x38)
6907664ca6SAlistair Francis     FIELD(ADDR_ERROR_INT_EN, MASK, 0, 1)
7007664ca6SAlistair Francis REG32(ADDR_ERROR_INT_DIS, 0x3c)
7107664ca6SAlistair Francis     FIELD(ADDR_ERROR_INT_DIS, MASK, 0, 1)
7207664ca6SAlistair Francis REG32(CONTROL, 0x40)
7307664ca6SAlistair Francis     FIELD(CONTROL, BATTERY_DISABLE, 31, 1)
7407664ca6SAlistair Francis     FIELD(CONTROL, OSC_CNTRL, 24, 4)
7507664ca6SAlistair Francis     FIELD(CONTROL, SLVERR_ENABLE, 0, 1)
7607664ca6SAlistair Francis REG32(SAFETY_CHK, 0x50)
7707664ca6SAlistair Francis 
7807664ca6SAlistair Francis #define XLNX_ZYNQMP_RTC_R_MAX (R_SAFETY_CHK + 1)
7907664ca6SAlistair Francis 
80db1015e9SEduardo Habkost struct XlnxZynqMPRTC {
8107664ca6SAlistair Francis     SysBusDevice parent_obj;
8207664ca6SAlistair Francis     MemoryRegion iomem;
8307664ca6SAlistair Francis     qemu_irq irq_rtc_int;
8407664ca6SAlistair Francis     qemu_irq irq_addr_error_int;
8507664ca6SAlistair Francis 
86246003ceSAlistair Francis     uint32_t tick_offset;
87246003ceSAlistair Francis 
8807664ca6SAlistair Francis     uint32_t regs[XLNX_ZYNQMP_RTC_R_MAX];
8907664ca6SAlistair Francis     RegisterInfo regs_info[XLNX_ZYNQMP_RTC_R_MAX];
90db1015e9SEduardo Habkost };
91f91005e1SMarkus Armbruster 
92f91005e1SMarkus Armbruster #endif
93