a8fb0a500a
Microchip PolarFire SoC MMUART is ns16550 compatible, with some additional registers. Create a simple MMUART model built on top of the existing ns16550 model. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <1598924352-89526-6-git-send-email-bmeng.cn@gmail.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* Microchip PolarFire SoC MMUART emulation
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*
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* Copyright (c) 2020 Wind River Systems, Inc.
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*
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* Author:
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* Bin Meng <bin.meng@windriver.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef HW_MCHP_PFSOC_MMUART_H
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#define HW_MCHP_PFSOC_MMUART_H
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#include "hw/char/serial.h"
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#define MCHP_PFSOC_MMUART_REG_SIZE 52
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typedef struct MchpPfSoCMMUartState {
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MemoryRegion iomem;
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hwaddr base;
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qemu_irq irq;
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SerialMM *serial;
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uint32_t reg[MCHP_PFSOC_MMUART_REG_SIZE / sizeof(uint32_t)];
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} MchpPfSoCMMUartState;
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/**
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* mchp_pfsoc_mmuart_create - Create a Microchip PolarFire SoC MMUART
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*
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* This is a helper routine for board to create a MMUART device that is
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* compatible with Microchip PolarFire SoC.
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*
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* @sysmem: system memory region to map
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* @base: base address of the MMUART registers
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* @irq: IRQ number of the MMUART device
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* @chr: character device to associate to
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*
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* @return: a pointer to the device specific control structure
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*/
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MchpPfSoCMMUartState *mchp_pfsoc_mmuart_create(MemoryRegion *sysmem,
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hwaddr base, qemu_irq irq, Chardev *chr);
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#endif /* HW_MCHP_PFSOC_MMUART_H */
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