qemu

FORK: QEMU emulator
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mchp_pfsoc_mmuart.h (2344B)

      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/sysbus.h"
     32 #include "hw/char/serial.h"
     33 
     34 #define MCHP_PFSOC_MMUART_REG_COUNT 13
     35 
     36 #define TYPE_MCHP_PFSOC_UART "mchp.pfsoc.uart"
     37 OBJECT_DECLARE_SIMPLE_TYPE(MchpPfSoCMMUartState, MCHP_PFSOC_UART)
     38 
     39 typedef struct MchpPfSoCMMUartState {
     40     /*< private >*/
     41     SysBusDevice parent_obj;
     42 
     43     /*< public >*/
     44     MemoryRegion container;
     45     MemoryRegion iomem;
     46 
     47     SerialMM serial_mm;
     48 
     49     uint32_t reg[MCHP_PFSOC_MMUART_REG_COUNT];
     50 } MchpPfSoCMMUartState;
     51 
     52 /**
     53  * mchp_pfsoc_mmuart_create - Create a Microchip PolarFire SoC MMUART
     54  *
     55  * This is a helper routine for board to create a MMUART device that is
     56  * compatible with Microchip PolarFire SoC.
     57  *
     58  * @sysmem: system memory region to map
     59  * @base: base address of the MMUART registers
     60  * @irq: IRQ number of the MMUART device
     61  * @chr: character device to associate to
     62  *
     63  * @return: a pointer to the device specific control structure
     64  */
     65 MchpPfSoCMMUartState *mchp_pfsoc_mmuart_create(MemoryRegion *sysmem,
     66     hwaddr base, qemu_irq irq, Chardev *chr);
     67 
     68 #endif /* HW_MCHP_PFSOC_MMUART_H */