| /* |
| * QEMU model of the Xilinx ZynqMP Real Time Clock (RTC). |
| * |
| * Copyright (c) 2017 Xilinx Inc. |
| * |
| * Written-by: Alistair Francis |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| #ifndef HW_RTC_XLNX_ZYNQMP_RTC_H |
| #define HW_RTC_XLNX_ZYNQMP_RTC_H |
| |
| #include "hw/register.h" |
| #include "hw/sysbus.h" |
| #include "qom/object.h" |
| |
| #define TYPE_XLNX_ZYNQMP_RTC "xlnx-zynmp.rtc" |
| |
| OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqMPRTC, XLNX_ZYNQMP_RTC) |
| |
| REG32(SET_TIME_WRITE, 0x0) |
| REG32(SET_TIME_READ, 0x4) |
| REG32(CALIB_WRITE, 0x8) |
| FIELD(CALIB_WRITE, FRACTION_EN, 20, 1) |
| FIELD(CALIB_WRITE, FRACTION_DATA, 16, 4) |
| FIELD(CALIB_WRITE, MAX_TICK, 0, 16) |
| REG32(CALIB_READ, 0xc) |
| FIELD(CALIB_READ, FRACTION_EN, 20, 1) |
| FIELD(CALIB_READ, FRACTION_DATA, 16, 4) |
| FIELD(CALIB_READ, MAX_TICK, 0, 16) |
| REG32(CURRENT_TIME, 0x10) |
| REG32(CURRENT_TICK, 0x14) |
| FIELD(CURRENT_TICK, VALUE, 0, 16) |
| REG32(ALARM, 0x18) |
| REG32(RTC_INT_STATUS, 0x20) |
| FIELD(RTC_INT_STATUS, ALARM, 1, 1) |
| FIELD(RTC_INT_STATUS, SECONDS, 0, 1) |
| REG32(RTC_INT_MASK, 0x24) |
| FIELD(RTC_INT_MASK, ALARM, 1, 1) |
| FIELD(RTC_INT_MASK, SECONDS, 0, 1) |
| REG32(RTC_INT_EN, 0x28) |
| FIELD(RTC_INT_EN, ALARM, 1, 1) |
| FIELD(RTC_INT_EN, SECONDS, 0, 1) |
| REG32(RTC_INT_DIS, 0x2c) |
| FIELD(RTC_INT_DIS, ALARM, 1, 1) |
| FIELD(RTC_INT_DIS, SECONDS, 0, 1) |
| REG32(ADDR_ERROR, 0x30) |
| FIELD(ADDR_ERROR, STATUS, 0, 1) |
| REG32(ADDR_ERROR_INT_MASK, 0x34) |
| FIELD(ADDR_ERROR_INT_MASK, MASK, 0, 1) |
| REG32(ADDR_ERROR_INT_EN, 0x38) |
| FIELD(ADDR_ERROR_INT_EN, MASK, 0, 1) |
| REG32(ADDR_ERROR_INT_DIS, 0x3c) |
| FIELD(ADDR_ERROR_INT_DIS, MASK, 0, 1) |
| REG32(CONTROL, 0x40) |
| FIELD(CONTROL, BATTERY_DISABLE, 31, 1) |
| FIELD(CONTROL, OSC_CNTRL, 24, 4) |
| FIELD(CONTROL, SLVERR_ENABLE, 0, 1) |
| REG32(SAFETY_CHK, 0x50) |
| |
| #define XLNX_ZYNQMP_RTC_R_MAX (R_SAFETY_CHK + 1) |
| |
| struct XlnxZynqMPRTC { |
| SysBusDevice parent_obj; |
| MemoryRegion iomem; |
| qemu_irq irq_rtc_int; |
| qemu_irq irq_addr_error_int; |
| |
| uint32_t tick_offset; |
| |
| uint32_t regs[XLNX_ZYNQMP_RTC_R_MAX]; |
| RegisterInfo regs_info[XLNX_ZYNQMP_RTC_R_MAX]; |
| }; |
| |
| #endif |
