LXR qemu/include/hw/char/cmsdk-apb-uart.h

   1/*
   2 * ARM CMSDK APB UART emulation
   3 *
   4 * Copyright (c) 2017 Linaro Limited
   5 * Written by Peter Maydell
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License version 2 or
   9 *  (at your option) any later version.
  10 */
  11
  12#ifndef CMSDK_APB_UART_H
  13#define CMSDK_APB_UART_H
  14
  15#include "hw/sysbus.h"
  16#include "chardev/char-fe.h"
  17#include "qom/object.h"
  18
  19#define TYPE_CMSDK_APB_UART "cmsdk-apb-uart"
  20OBJECT_DECLARE_SIMPLE_TYPE(CMSDKAPBUART, CMSDK_APB_UART)
  21
  22struct CMSDKAPBUART {
  23    /*< private >*/
  24    SysBusDevice parent_obj;
  25
  26    /*< public >*/
  27    MemoryRegion iomem;
  28    CharBackend chr;
  29    qemu_irq txint;
  30    qemu_irq rxint;
  31    qemu_irq txovrint;
  32    qemu_irq rxovrint;
  33    qemu_irq uartint;
  34    guint watch_tag;
  35    uint32_t pclk_frq;
  36
  37    uint32_t state;
  38    uint32_t ctrl;
  39    uint32_t intstatus;
  40    uint32_t bauddiv;
  41    /* This UART has no FIFO, only a 1-character buffer for each of Tx and Rx */
  42    uint8_t txbuf;
  43    uint8_t rxbuf;
  44};
  45
  46#endif
  47