LXR qemu/include/hw/misc/allwinner-a10-dramc.h

   1/*
   2 * Allwinner A10 DRAM Controller emulation
   3 *
   4 * Copyright (C) 2022 Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
   5 *
   6 *  This file is derived from Allwinner H3 DRAMC,
   7 *  by Niek Linnenbank.
   8 *
   9 * This program is free software: you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation, either version 2 of the License, or
  12 * (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23#ifndef HW_MISC_ALLWINNER_A10_DRAMC_H
  24#define HW_MISC_ALLWINNER_A10_DRAMC_H
  25
  26#include "qom/object.h"
  27#include "hw/sysbus.h"
  28#include "hw/register.h"
  29
  30/**
  31 * @name Constants
  32 * @{
  33 */
  34
  35/** Size of register I/O address space used by DRAMC device */
  36#define AW_A10_DRAMC_IOSIZE        (0x1000)
  37
  38/** Total number of known registers */
  39#define AW_A10_DRAMC_REGS_NUM      (AW_A10_DRAMC_IOSIZE / sizeof(uint32_t))
  40
  41/** @} */
  42
  43/**
  44 * @name Object model
  45 * @{
  46 */
  47
  48#define TYPE_AW_A10_DRAMC    "allwinner-a10-dramc"
  49OBJECT_DECLARE_SIMPLE_TYPE(AwA10DramControllerState, AW_A10_DRAMC)
  50
  51/** @} */
  52
  53/**
  54 * Allwinner A10 DRAMC object instance state.
  55 */
  56struct AwA10DramControllerState {
  57    /*< private >*/
  58    SysBusDevice parent_obj;
  59    /*< public >*/
  60
  61    /** Maps I/O registers in physical memory */
  62    MemoryRegion iomem;
  63
  64    /** Array of hardware registers */
  65    uint32_t regs[AW_A10_DRAMC_REGS_NUM];
  66};
  67
  68#endif /* HW_MISC_ALLWINNER_A10_DRAMC_H */
  69