sdl_ip_rti.h

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/* =============================================================================
 *   Copyright (c) Texas Instruments Incorporated 2021
 *
 *  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 Texas Instruments Incorporated 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
 *  OWNER 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.
 *
 */

#ifndef SDL_IP_RTI_H_
#define SDL_IP_RTI_H_

#include <tistdtypes.h>
#include <sdl_types.h>
#include <include/soc/j721e/sdlr_soc_baseaddress.h>
#include <src/sdl/rti/soc/j721e/sdl_soc_rti.h>

#include <hw_types.h>

#ifdef __cplusplus
extern "C"
{
#endif

typedef struct
{
    uint32_t    RTI_DWDCTRL;
    uint32_t    RTI_DWDPRLD;
    uint32_t    RTI_WWDRXNCTRL;
    uint32_t    RTI_WWDSIZECTRL;
} SDL_RTI_staticRegs;


typedef struct{
    /* Parameter to set preload value  */
    uint32_t         SDL_RTI_dwwdPreloadVal;
    /* Parameter to set window size  */
    uint32_t        SDL_RTI_dwwdWindowSize;
    /* Parameter to set Reaction  */
    uint32_t        SDL_RTI_dwwdReaction;
}SDL_RTI_configParms;

/********************************************************************************************************
*   Below are the Declarations of Low Level Functions
********************************************************************************************************/

                int32_t  SDL_RTI_chkWindowSize(uint32_t dwwdWindowSize);
                int32_t  SDL_RTI_chkReaction(uint32_t dwwdReaction);

int32_t  SDL_RTI_getWindowSize(uint32_t baseAddr, uint32_t *pWinSize);

int32_t  SDL_RTI_setPreload(uint32_t baseAddr, uint32_t dwwdPreloadVal);

int32_t  SDL_RTI_getPreload(uint32_t baseAddr, uint32_t *pPreloadVal);

#define    RTI_DWWD_WINDOWSIZE_100_PERCENT      (RTI_RTIDWWDSIZECTRL_DWWDSIZE_100_PERCENT)

#define    RTI_DWWD_WINDOWSIZE_50_PERCENT       (RTI_RTIDWWDSIZECTRL_DWWDSIZE_50_PERCENT)

#define    RTI_DWWD_WINDOWSIZE_25_PERCENT       (RTI_RTIDWWDSIZECTRL_DWWDSIZE_25_PERCENT)

#define    RTI_DWWD_WINDOWSIZE_12_5_PERCENT     (RTI_RTIDWWDSIZECTRL_DWWDSIZE_12_5_PERCENT)

#define    RTI_DWWD_WINDOWSIZE_6_25_PERCENT     (RTI_RTIDWWDSIZECTRL_DWWDSIZE_6_25_PERCENT)

#define    RTI_DWWD_WINDOWSIZE_3_125_PERCENT    (RTI_RTIDWWDSIZECTRL_DWWDSIZE_3_125_PERCENT)

typedef uint32_t RTI_WindowSize_t;

#define    RTI_DWWD_REACTION_GENERATE_RESET  (RTI_RTIDWWDRXNCTRL_DWWDRXN_RESET)

#define    RTI_DWWD_REACTION_GENERATE_NMI    (RTI_RTIDWWDRXNCTRL_DWWDRXN_INTERRUPT)

#define      RTI_DWWD_REACTION_INVALID         (0x46U)

#define    RTI_DWWD_STATUS_KEY_SEQ_VIOLATION          (RTI_RTIWDSTATUS_KEYST_MASK)

#define    RTI_DWWD_STATUS_TIME_WINDOW_VIOLATION      (RTI_RTIWDSTATUS_DWWD_ST_MASK)

#define    RTI_DWWD_STATUS_ENDTIME_WINDOW_VIOLATION   (RTI_RTIWDSTATUS_END_TIME_VIOL_MASK)

#define    RTI_DWWD_STATUS_STARTTIME_WINDOW_VIOLATION (RTI_RTIWDSTATUS_START_TIME_VIOL_MASK)

#define    RTI_DWWD_STATUS_LAST_RESET                 (RTI_RTIWDSTATUS_DWDST_MASK)

typedef uint32_t RTI_Status_t;

/****************************************************************************************************
*   Register Definitions
****************************************************************************************************/


#define RTI_RTIDWDCTRL                                                      (0x90U)
#define RTI_RTIDWDPRLD                                                      (0x94U)
#define RTI_RTIWDSTATUS                                                     (0x98U)
#define RTI_RTIWDKEY                                                        (0x9cU)

#define RTI_RTIDWWDRXNCTRL                                                  (0xa4U)
#define RTI_RTIDWWDSIZECTRL                                                 (0xa8U)
#define RTI_RTIDWDCNTR                                                      (0xa0U)
#define RTI_COMP0                                                           (0x50U)

#define STATUS_VLD                                                          (1U)

/****************************************************************************************************
*   Field Definition Macros
****************************************************************************************************/



#define RTI_RTIDWDCTRL_DWDCTRL_ENABLE                                       (0xA98559DAU)

#define RTI_DWWDPRLD_MULTIPLIER_SHIFT                                       (13U)

#define RTI_RTIDWDPRLD_INVALID                                              (0xFFFFFFU)
#define RTI_RTIDWDPRLD_DWDPRLD_SHIFT                                        (0U)
#define RTI_RTIDWDPRLD_DWDPRLD_MASK                                         (0x00000fffU)
#define RTI_RTIDWDPRLD_DWDPRLD_MAX                                          (0x0FFFU)

#define RTI_RTIDWDCNTR_DWDCNTR_15_0_SHIFT                                   (0U)
#define RTI_RTIDWDCNTR_DWDCNTR_15_0_MASK                                    (0x0000ffffU)

#define RTI_RTIDWDCNTR_DWDCNTR_24_16_SHIFT                                  (16U)
#define RTI_RTIDWDCNTR_DWDCNTR_24_16_MASK                                   (0x01ff0000U)

#define RTI_RTIWDSTATUS_DWDST_SHIFT                                         (1U)
#define RTI_RTIWDSTATUS_DWDST_MASK                                          (0x00000002U)

#define RTI_RTIWDSTATUS_DWWD_ST_SHIFT                                       (5U)
#define RTI_RTIWDSTATUS_DWWD_ST_MASK                                        (0x00000020U)

#define RTI_RTIWDKEY_WDKEY_SHIFT                                            (0U)
#define RTI_RTIWDKEY_WDKEY_MASK                                             (0x0000ffffU)
#define RTI_RTIWDKEY_WDKEY_FIRST_WRITE                                      (0x0000E51AU)
#define RTI_RTIWDKEY_WDKEY_SECOND_WRITE                                     (0x0000A35CU)

#define RTI_RTIDWWDRXNCTRL_DWWDRXN_SHIFT                                    (0U)
#define RTI_RTIDWWDRXNCTRL_DWWDRXN_MASK                                     (0x0000000fU)
#define RTI_RTIDWWDRXNCTRL_DWWDRXN_RESET                                    (0x5U)
#define RTI_RTIDWWDRXNCTRL_DWWDRXN_INTERRUPT                                (0xAU)

#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_INVALID                                (0U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_SHIFT                                  (0U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_MASK                                   (0x00ffffffU)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_100_PERCENT                            (0x00000005U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_100_PERCENT_SHIFT                      (0x0)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_50_PERCENT                             (0x00000050U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_50_PERCENT_SHIFT                       (0x1)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_25_PERCENT                             (0x00000500U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_25_PERCENT_SHIFT                       (0x2)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_12_5_PERCENT                           (0x00005000U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_12_5_PERCENT_SHIFT                     (0x3)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_6_25_PERCENT                           (0x00050000U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_6_25_PERCENT_SHIFT                     (0x4)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_3_125_PERCENT                          (0x00500000U)
#define RTI_RTIDWWDSIZECTRL_DWWDSIZE_3_125_PERCENT_SHIFT                    (0x5)

static inline int32_t SDL_RTI_writeWinSz(uint32_t baseAddr, uint32_t dwwdWindowSize)
{
    int32_t sdlResult;
    /* Writing window size to RTI_WWDSIZECTRL Register (Offset = A8h) */
    HW_WR_FIELD32( baseAddr + RTI_RTIDWWDSIZECTRL,
                    RTI_RTIDWWDSIZECTRL_DWWDSIZE,
                    dwwdWindowSize);
    sdlResult = SDL_PASS;

    return sdlResult;
}

static inline int32_t SDL_RTI_writeReaction(uint32_t baseAddr, uint32_t dwwdReaction)
{
    int32_t sdlResult;

    /* Writing reaction to RTI_WWDRXNCTRL Register (Offset = A4h) */
    /* 5h = This is the default value
       Ah = The windowed watchdog will generate a non-maskable interrupt */
     (HW_WR_FIELD32(baseAddr + RTI_RTIDWWDRXNCTRL,
                    RTI_RTIDWWDRXNCTRL_DWWDRXN,
                    dwwdReaction));
    sdlResult = SDL_PASS;

    return sdlResult;
}

static inline uint32_t SDL_RTI_readReaction(uint32_t baseAddr)
{
    uint32_t dwwdReaction;

    /* Get Windowed Watchdog Reaction */
    dwwdReaction = HW_RD_FIELD32(baseAddr + RTI_RTIDWWDRXNCTRL,
                                 RTI_RTIDWWDRXNCTRL_DWWDRXN);

    return dwwdReaction;
}


#ifdef __cplusplus
}
#endif
#endif  /* HW_RTI_H_ */