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/*
* Copyright (c) 2009 NVIDIA Corporation.
* All rights reserved.
*
* 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 the NVIDIA Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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
* <b>NVIDIA APX ODM Kit:
* Implementation of the ODM Query API</b>
*
* @b Description: Implements the query functions for ODMs that may be
* accessed at boot-time, runtime, or anywhere in between.
*/
#include "nvodm_query.h"
#include "nvodm_services.h"
#include "../tegra_devkit_custopt.h"
#include "nvodm_keylist_reserved.h"
#include "nvrm_drf.h"
/* --- Function Implementations ---*/
static NvU32
GetBctKeyValue(void)
{
NvOdmServicesKeyListHandle hKeyList = NULL;
NvU32 BctCustOpt = 0;
hKeyList = NvOdmServicesKeyListOpen();
if (hKeyList)
{
BctCustOpt =
NvOdmServicesGetKeyValue(hKeyList,
NvOdmKeyListId_ReservedBctCustomerOption);
NvOdmServicesKeyListClose(hKeyList);
}
return BctCustOpt;
}
/**
* This function is called from early boot process.
* Therefore, it cannot use global variables.
*/
NvU32 NvOdmQueryMemSize(NvOdmMemoryType MemType)
{
NvOdmOsOsInfo Info;
NvU32 MemBctCustOpt = GetBctKeyValue();
switch (MemType)
{
// NOTE:
// For Windows CE/WM operating systems the total size of SDRAM may
// need to be reduced due to limitations in the virtual address map.
// Under the legacy physical memory manager, Windows OSs have a
// maximum 512MB statically mapped virtual address space. Under the
// new physical memory manager, Windows OSs have a maximum 1GB
// statically mapped virtual address space. Out of that virtual
// address space, the upper 32 or 36 MB (depending upon the SOC)
// of the virtual address space is reserved for SOC register
// apertures.
//
// Refer to virtual_tables_apxx.arm for the reserved aperture list.
// If the cumulative size of the reserved apertures changes, the
// maximum size of SDRAM will also change.
case NvOdmMemoryType_Sdram:
switch (NV_DRF_VAL(TEGRA_DEVKIT, BCT_SYSTEM, MEMORY, MemBctCustOpt))
{
case TEGRA_DEVKIT_BCT_SYSTEM_0_MEMORY_256:
if ( NvOdmOsGetOsInformation(&Info) &&
((Info.OsType!=NvOdmOsOs_Windows) ||
(Info.OsType==NvOdmOsOs_Windows && Info.MajorVersion>=7)) )
return 0x10000000;
else
return 0x0DD00000; // Legacy Physical Memory Manager: 256 MB - 35 MB
case TEGRA_DEVKIT_BCT_SYSTEM_0_MEMORY_1024:
if ( NvOdmOsGetOsInformation(&Info) &&
((Info.OsType!=NvOdmOsOs_Windows) ||
(Info.OsType==NvOdmOsOs_Windows && Info.MajorVersion>=7)) )
return 0x40000000;
else
// Earlier versions of WinCE only support 512MB max memory size
return 0x1E000000; // Legacy Physical Memory Manager: 512 MB - 32 MB
case TEGRA_DEVKIT_BCT_SYSTEM_0_MEMORY_512:
case TEGRA_DEVKIT_BCT_SYSTEM_0_MEMORY_DEFAULT:
default:
if ( NvOdmOsGetOsInformation(&Info) &&
((Info.OsType!=NvOdmOsOs_Windows) ||
(Info.OsType==NvOdmOsOs_Windows && Info.MajorVersion>=7)) )
return 0x20000000;
else
return 0x1E000000; // Legacy Physical Memory Manager: 512 MB - 32 MB
}
case NvOdmMemoryType_Nor:
return 0x00400000; // 4 MB
case NvOdmMemoryType_Nand:
case NvOdmMemoryType_I2CEeprom:
case NvOdmMemoryType_Hsmmc:
case NvOdmMemoryType_Mio:
default:
return 0;
}
}
NvU32 NvOdmQueryCarveoutSize(void)
{
return 0x04000000; // 64 MB
}
NvU32 NvOdmQuerySecureRegionSize(void)
{
return 0x00800000;// 8 MB
}
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