include/hw/char/mchp_pfsoc_mmuart.h

   1 /*
   2  * Microchip PolarFire SoC MMUART emulation
   3  *
   4  * Copyright (c) 2020 Wind River Systems, Inc.
   5  *
   6  * Author:
   7  *   Bin Meng <bin.meng@windriver.com>
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a copy
  10  * of this software and associated documentation files (the "Software"), to deal
  11  * in the Software without restriction, including without limitation the rights
  12  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13  * copies of the Software, and to permit persons to whom the Software is
  14  * furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included in
  17  * all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  22  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25  * THE SOFTWARE.
  26  */
  27
  28 #ifndef HW_MCHP_PFSOC_MMUART_H
  29 #define HW_MCHP_PFSOC_MMUART_H
  30
  31 #include "hw/char/serial.h"
  32
  33 #define MCHP_PFSOC_MMUART_REG_SIZE  52
  34
  35 typedef struct MchpPfSoCMMUartState {
  36     MemoryRegion iomem;
  37     hwaddr base;
  38     qemu_irq irq;
  39
  40     SerialMM *serial;
  41
  42     uint32_t reg[MCHP_PFSOC_MMUART_REG_SIZE / sizeof(uint32_t)];
  43 } MchpPfSoCMMUartState;
  44
  45 /**
  46  * mchp_pfsoc_mmuart_create - Create a Microchip PolarFire SoC MMUART
  47  *
  48  * This is a helper routine for board to create a MMUART device that is
  49  * compatible with Microchip PolarFire SoC.
  50  *
  51  * @sysmem: system memory region to map
  52  * @base: base address of the MMUART registers
  53  * @irq: IRQ number of the MMUART device
  54  * @chr: character device to associate to
  55  *
  56  * @return: a pointer to the device specific control structure
  57  */
  58 MchpPfSoCMMUartState *mchp_pfsoc_mmuart_create(MemoryRegion *sysmem,
  59     hwaddr base, qemu_irq irq, Chardev *chr);
  60
  61 #endif /* HW_MCHP_PFSOC_MMUART_H */