bcm2835.h

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//
// bcm2835.h
//
// USPi - An USB driver for Raspberry Pi written in C
// Copyright (C) 2014-2017  R. Stange <rsta2@o2online.de>
// 
// 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 _uspi_bcm2835_h
#define _uspi_bcm2835_h
 
#include "uspios.h"
 
#if RASPPI == 1
#define ARM_IO_BASE     0x20000000
#else
#define ARM_IO_BASE     0x3F000000
#endif
 
#define GPU_IO_BASE     0x7E000000
 
#define GPU_CACHED_BASE     0x40000000
#define GPU_UNCACHED_BASE   0xC0000000
 
#if RASPPI == 1
    #ifdef GPU_L2_CACHE_ENABLED
        #define GPU_MEM_BASE    GPU_CACHED_BASE
    #else
        #define GPU_MEM_BASE    GPU_UNCACHED_BASE
    #endif
#else
    #define GPU_MEM_BASE    GPU_UNCACHED_BASE
#endif
 
// Convert physical ARM address into bus address
// (does even work, if a bus address is provided already)
#define BUS_ADDRESS(phys)   (((phys) & ~0xC0000000) | GPU_MEM_BASE)
 
//
// USB Host Controller
//
#define ARM_USB_BASE        (ARM_IO_BASE + 0x980000)
 
#define ARM_USB_CORE_BASE   ARM_USB_BASE
#define ARM_USB_HOST_BASE   (ARM_USB_BASE + 0x400)
#define ARM_USB_POWER       (ARM_USB_BASE + 0xE00)
 
#endif