FreeBSD/Linux Kernel Cross Reference
sys/contrib/ncsw/Peripherals/FM/fm_muram.c

     /*
      * Copyright 2008-2012 Freescale Semiconductor Inc.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
      *     * Redistributions of source code must retain the above copyright
      *       notice, this list of conditions and the following disclaimer.
      *     * Redistributions in binary form must reproduce the above copyright
      *       notice, this list of conditions and the following disclaimer in the
     *       documentation and/or other materials provided with the distribution.
     *     * Neither the name of Freescale Semiconductor nor the
     *       names of its contributors may be used to endorse or promote products
     *       derived from this software without specific prior written permission.
     *
     *
     * ALTERNATIVELY, this software may be distributed under the terms of the
     * GNU General Public License ("GPL") as published by the Free Software
     * Foundation, either version 2 of that License or (at your option) any
     * later version.
     *
     * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
     * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
     * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    
    /******************************************************************************
     @File          FM_muram.c
    
     @Description   FM MURAM ...
    *//***************************************************************************/
    #include "error_ext.h"
    #include "std_ext.h"
    #include "mm_ext.h"
    #include "string_ext.h"
    #include "sprint_ext.h"
    #include "fm_muram_ext.h"
    #include "fm_common.h"
    
    #define __ERR_MODULE__  MODULE_FM_MURAM
    
    
    typedef struct
    {
        t_Handle    h_Mem;
        uintptr_t   baseAddr;
        uint32_t    size;
    } t_FmMuram;
    
    
    void FmMuramClear(t_Handle h_FmMuram)
    {
        t_FmMuram   *p_FmMuram = ( t_FmMuram *)h_FmMuram;
    
        SANITY_CHECK_RETURN(h_FmMuram, E_INVALID_HANDLE);
        IOMemSet32(UINT_TO_PTR(p_FmMuram->baseAddr), 0, p_FmMuram->size);
    }
    
    
    t_Handle FM_MURAM_ConfigAndInit(uintptr_t baseAddress, uint32_t size)
    {
        t_Handle    h_Mem;
        t_FmMuram   *p_FmMuram;
    
        if (!baseAddress)
        {
            REPORT_ERROR(MAJOR, E_INVALID_VALUE, ("baseAddress 0 is not supported"));
            return NULL;
        }
    
        if (baseAddress%4)
        {
            REPORT_ERROR(MAJOR, E_INVALID_VALUE, ("baseAddress not 4 bytes aligned!"));
            return NULL;
        }
    
        /* Allocate FM MURAM structure */
        p_FmMuram = (t_FmMuram *) XX_Malloc(sizeof(t_FmMuram));
        if (!p_FmMuram)
        {
            REPORT_ERROR(MAJOR, E_NO_MEMORY, ("FM MURAM driver structure"));
            return NULL;
        }
        memset(p_FmMuram, 0, sizeof(t_FmMuram));
    
    
        if ((MM_Init(&h_Mem, baseAddress, size) != E_OK) || (!h_Mem))
        {
            XX_Free(p_FmMuram);
            REPORT_ERROR(MAJOR, E_INVALID_HANDLE, ("FM-MURAM partition!!!"));
            return NULL;
        }
   
       /* Initialize FM MURAM parameters which will be kept by the driver */
       p_FmMuram->baseAddr = baseAddress;
       p_FmMuram->size = size;
       p_FmMuram->h_Mem = h_Mem;
   
       return p_FmMuram;
   }
   
   t_Error FM_MURAM_Free(t_Handle h_FmMuram)
   {
       t_FmMuram   *p_FmMuram = ( t_FmMuram *)h_FmMuram;
   
       if (p_FmMuram->h_Mem)
           MM_Free(p_FmMuram->h_Mem);
   
       XX_Free(h_FmMuram);
   
       return E_OK;
   }
   
   void  * FM_MURAM_AllocMem(t_Handle h_FmMuram, uint32_t size, uint32_t align)
   {
       t_FmMuram   *p_FmMuram = ( t_FmMuram *)h_FmMuram;
       uintptr_t   addr;
   
       SANITY_CHECK_RETURN_VALUE(h_FmMuram, E_INVALID_HANDLE, NULL);
       SANITY_CHECK_RETURN_VALUE(p_FmMuram->h_Mem, E_INVALID_HANDLE, NULL);
   
       addr = (uintptr_t)MM_Get(p_FmMuram->h_Mem, size, align ,"FM MURAM");
   
       if (addr == ILLEGAL_BASE)
           return NULL;
   
       return UINT_TO_PTR(addr);
   }
   
   void  * FM_MURAM_AllocMemForce(t_Handle h_FmMuram, uint64_t base, uint32_t size)
   {
       t_FmMuram   *p_FmMuram = ( t_FmMuram *)h_FmMuram;
       uintptr_t   addr;
   
       SANITY_CHECK_RETURN_VALUE(h_FmMuram, E_INVALID_HANDLE, NULL);
       SANITY_CHECK_RETURN_VALUE(p_FmMuram->h_Mem, E_INVALID_HANDLE, NULL);
   
       addr = (uintptr_t)MM_GetForce(p_FmMuram->h_Mem, base, size, "FM MURAM");
   
       if (addr == ILLEGAL_BASE)
           return NULL;
   
       return UINT_TO_PTR(addr);
   }
   
   t_Error FM_MURAM_FreeMem(t_Handle h_FmMuram, void *ptr)
   {
       t_FmMuram   *p_FmMuram = ( t_FmMuram *)h_FmMuram;
   
       SANITY_CHECK_RETURN_ERROR(h_FmMuram, E_INVALID_HANDLE);
       SANITY_CHECK_RETURN_ERROR(p_FmMuram->h_Mem, E_INVALID_HANDLE);
   
       if (MM_Put(p_FmMuram->h_Mem, PTR_TO_UINT(ptr)) == 0)
           RETURN_ERROR(MINOR, E_INVALID_ADDRESS, ("memory pointer!!!"));
   
       return E_OK;
   }
   
   uint64_t FM_MURAM_GetFreeMemSize(t_Handle h_FmMuram)
   {
       t_FmMuram   *p_FmMuram = ( t_FmMuram *)h_FmMuram;
   
       SANITY_CHECK_RETURN_VALUE(h_FmMuram, E_INVALID_HANDLE, 0);
       SANITY_CHECK_RETURN_VALUE(p_FmMuram->h_Mem, E_INVALID_HANDLE, 0);
   
       return MM_GetFreeMemSize(p_FmMuram->h_Mem);
   }

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