source: trunk/modules/vci_io_bridge/include/soclib/io_bridge.h @ 615

/*
 * SOCLIB_LGPL_HEADER_BEGIN
 * 
 * This file is part of SoCLib, GNU LGPLv2.1.
 * 
 * SoCLib is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; version 2.1 of the License.
 * 
 * SoCLib 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with SoCLib; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * SOCLIB_LGPL_HEADER_END
 *
 * Copyright (c) UPMC, Lip6, Asim
 *         alain greiner
 *
 * Maintainers: alain
 */
#ifndef IO_BRIDGE_REGS_H
#define IO_BRIDGE_REGS_H

// IOB Configuration registers
// Minimal required segment size = 512 bytes (128 words)
enum 
{
    IOB_IOMMU_PTPR       = 0,     // R/W  : Page Table Pointer Register
    IOB_IOMMU_ACTIVE     = 1,     // R/W  : IOMMU activated if not 0
    IOB_IOMMU_BVAR       = 2,     // R    : Bad Virtual Address
    IOB_IOMMU_ETR        = 3,     // R    : Error type
    IOB_IOMMU_BAD_ID     = 4,     // R    : Faulty peripheral Index (SRCID)
    IOB_INVAL_PTE        = 5,     // W    : Invalidate PTE (using virtual address)
    IOB_WTI_ENABLE       = 6,     // R/W  : Enable WTI (both IOB and external IRQs)
    IOB_WTI_ADDR_LO      = 7,     // R/W  : WTI for IOB itself (32 LSB address bits)
    IOB_WTI_ADDR_HI      = 8,     // R/W  : WTI for IOB itself (32 MSB address bits)
    IOB_PERI_WTI_BEGIN   = 64,    // R/W  : two 32 bits words per IRQ
    /**/
    IOB_SPAN             = 128,                                
};

    
// IOMMU Error Type
enum mmu_error_type_e 
{
    MMU_NONE                      = 0x0000, // None
    MMU_WRITE_ACCES_VIOLATION     = 0x0008, // Write access to a non writable page 
    MMU_WRITE_PT1_ILLEGAL_ACCESS  = 0x0040, // Write Bus Error accessing Table 1       
    MMU_READ_PT1_UNMAPPED             = 0x1001, // Read  Page fault on Page Table 1     
    MMU_READ_PT2_UNMAPPED             = 0x1002, // Read  Page fault on Page Table 2  
    MMU_READ_PT1_ILLEGAL_ACCESS   = 0x1040, // Read  Bus Error in Table1 access      
    MMU_READ_PT2_ILLEGAL_ACCESS   = 0x1080, // Read  Bus Error in Table2 access         
    MMU_READ_DATA_ILLEGAL_ACCESS  = 0x1100, // Read  Bus Error in cache access 
};

#endif /* IO_BRIDGE_REGS_H */

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