LXR qemu/include/hw/char/mchp_pfsoc

   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
  35typedef 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 */
  58MchpPfSoCMMUartState *mchp_pfsoc_mmuart_create(MemoryRegion *sysmem,
  59    hwaddr base, qemu_irq irq, Chardev *chr);
  60
  61#endif /* HW_MCHP_PFSOC_MMUART_H */
  62