SunxiCpuConfig.h

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/*
 * Copyright (C) 2020 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIBARCH_ARM_SUNXI_SUNXICPUCONFIG_H
#define __LIBARCH_ARM_SUNXI_SUNXICPUCONFIG_H
 
#include <FreeNOS/System.h>
#include <CoreManager.h>
#include "SunxiPowerManagement.h"
 
class SunxiCpuConfig : public CoreManager
{
  private:
 
    static const Size NumberOfCores = 4;
 
    static const Address IOBase = 0x01F01C00;
 
    enum Registers
    {
        CpusRstCtrl  = 0x0000, 
        Cpu0RstCtrl  = 0x0040, 
        Cpu0Ctrl     = 0x0044, 
        Cpu0Status   = 0x0048, 
        Cpu1RstCtrl  = 0x0080, 
        Cpu1Ctrl     = 0x0084, 
        Cpu1Status   = 0x0088, 
        Cpu2RstCtrl  = 0x00C0, 
        Cpu2Ctrl     = 0x00C4, 
        Cpu2Status   = 0x00C8, 
        Cpu3RstCtrl  = 0x0100, 
        Cpu3Ctrl     = 0x0104, 
        Cpu3Status   = 0x0108, 
        Cpu0PwrClamp = 0x0120, 
        Cpu1PwrClamp = 0x0124, 
        Cpu2PwrClamp = 0x0128, 
        Cpu3PwrClamp = 0x012C, 
        CpuSysRst    = 0x0140, 
        ClkGating    = 0x0144, 
        GenCtrl      = 0x0184, 
        SuperStandby = 0x01A0, 
        EntryAddr    = 0x01A4, 
        DbgExtern    = 0x01E4, 
        Cnt64Ctrl    = 0x0280, 
        Cnt64Low     = 0x0284, 
        Cnt64High    = 0x0288, 
    };
 
    enum CpuRstCtrlFlags
    {
        CpuCoreReset = (1 << 1)
    };
 
  public:
 
    virtual Result initialize();
 
    virtual Result discover();
 
    virtual Result boot(CoreInfo *info);
 
  private:
 
    Arch::IO m_io;
 
    SunxiPowerManagement m_power;
};
 
#endif /* __LIBARCH_ARM_SUNXI_SUNXICPUCONFIG_H */