kernel_dt_service.h

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/*
 * Copyright (c) 2013-2018, NVIDIA CORPORATION.  All rights reserved.
 *
 * NVIDIA CORPORATION and its licensors retain all intellectual property
 * and proprietary rights in and to this software, related documentation
 * and any modifications thereto.  Any use, reproduction, disclosure or
 * distribution of this software and related documentation without an express
 * license agreement from NVIDIA CORPORATION is strictly prohibited.
 */
#ifndef INCLUDED_KERNEL_DT_SERVICE_H
#define INCLUDED_KERNEL_DT_SERVICE_H

#include <nvcommon.h>

#define DTB_CMDLINE 0x00000001
#define DTB_REVISION 0x00000002
#define DTB_INITRD2 0x00000003
#define DTB_MEMINFO 0x00000005
#define DTB_CVCARVEOUT 0x00000006
#define DTB_RESETSTATUS 0x00000007
#define DTB_FLOORSWEPT 0x00000008
#define DTB_BOARD_INFO 0x00000009
#define DTB_KLOGBUF    0x0000000A
#define DTB_BOOTDATA   0x0000000B
#define DTB_CHIP_VERSION 0x0000000C
#define DTB_BL_VERSIONINFO 0x0000000D
#define DTB_UPDATEINFO 0x0000000E
#define DTB_RATCHETINFO 0x0000000F

#define DT_STRING_LENGTH 20

typedef struct DtUartInfoRec
{
    NvS8 **pUartNodes;
    NvU8 DebugConsoleIndex;
} DtUartInfo;

typedef struct DtUpdateInfoRec
{
    /* Hypervisor vs native */
    NvS8 BootEnvType[DT_STRING_LENGTH];

    /* T18x or T19x */
    NvS8 TegraChipId[DT_STRING_LENGTH];

    /* Device id of first level PT partition */
    NvS8 PtDeviceId[DT_STRING_LENGTH];

    /* Device instance of first level PT partition */
    NvS8 PtDeviceInstance[DT_STRING_LENGTH];

    /* IVC channel info of PT partition */
    NvS8 PtIvcChannelInfo[DT_STRING_LENGTH];

    /* Partition size of first level PT partition */
    NvS8 PtPartitionSize[DT_STRING_LENGTH];

    /* Partition id of first level PT partition */
    NvS8 PtPartitionId[DT_STRING_LENGTH];

    /* Device id of BR BCT partition */
    NvS8 BctDeviceId[DT_STRING_LENGTH];

    /* Device instance of BR BCT partition */
    NvS8 BctDeviceInstance[DT_STRING_LENGTH];

    /* IVC channel info of BR BCT partition */
    NvS8 BctIvcChannelInfo[DT_STRING_LENGTH];

} DtUpdateInfo;

NvError QbLoadKernelDtbImageFromRAM(void *pHdr, void **pImage, NvU32 *pDtbSize);

NvError QbCreateSpaceinDtb(void);

NvError AddDTTag(NvU32 DTtag, NvU32 DataSize, void *pData);

NvError QbDelDTNode(const NvS8 *pNodeStr);

NvError QbDelProperty(const NvS8 *pNodeStr, const NvS8 *pProperty);

NvError
QbModifyFirstSubnodeProperty(
        const NvS8 *pCompatible,
        const NvS8 *pSubNode,
        const NvS8 *pProp,
        const NvS8 *pValue);

NvError QbGetlogBufSize(NvU64 *);

NvError QbGetCmdLineFromDtb(NvS8 *pCmdLine, NvU32 Size);
#endif // INCLUDED_KERNEL_DT_SERVICE_H