arch/arm/cpu/armv7/sc8825/boot_mode.c

   1 /******************************************************************************
   2  ** File Name:      boot_mode.c                                               *
   3  ** Author:         Jeff Li                                                   *
   4  ** DATE:           31/08/2010                                                *
   5  ** Copyright:      2002 Spreatrum, Incoporated. All Rights Reserved.         *
   6  ** Description:    This file defines the logic interfaces called during boot,*
   7  **                 including reset mode setting, initialization etc.
   8  ******************************************************************************
   9
  10  ******************************************************************************
  11  **                        Edit History                                       *
  12  ** ------------------------------------------------------------------------- *
  13  ** DATE           NAME             DESCRIPTION                               *
  14  ** 31/08/2010     Jeff.Li          Create.                                   *
  15  ******************************************************************************/
  16
  17 /**---------------------------------------------------------------------------*
  18  **                         Dependencies                                      *
  19  **---------------------------------------------------------------------------*/
  20 #include "os_api.h"
  21 #include "sc_reg.h"
  22 #include "chip_internal.h"
  23 #include "mocor_boot_mode.h"
  24
  25 /**---------------------------------------------------------------------------*
  26  **                         Compiler Flag                                     *
  27  **---------------------------------------------------------------------------*/
  28 #ifdef __cplusplus
  29 extern   "C"
  30 {
  31 #endif
  32
  33 /**---------------------------------------------------------------------------*
  34  **                         Global variables                                  *
  35  **---------------------------------------------------------------------------*/
  36
  37 /**---------------------------------------------------------------------------*
  38  **                         Local variables                                   *
  39  **---------------------------------------------------------------------------*/
  40 LOCAL BOOLEAN wdg_debug_mode = SCI_FALSE;
  41
  42 /**---------------------------------------------------------------------------*
  43  **                     Local Function Prototypes                             *
  44  **---------------------------------------------------------------------------*/
  45
  46 /**---------------------------------------------------------------------------*
  47  **                         Function Prototypes                               *
  48  **---------------------------------------------------------------------------*/
  49 /*****************************************************************************/
  50 //  Description:    Sets the different kinds of reset modes, used in normal p-
  51 //                  ower up mode, watchdog reset mode and calibration mode etc.
  52 //  Author:         Jeff.Li
  53 //  Note:
  54 /*****************************************************************************/
  55 PUBLIC void BOOT_SetRstMode (uint32 val)
  56 {
  57     CHIP_PHY_SetRstMode (val);
  58 }
  59
  60 /*****************************************************************************/
  61 //  Description:    Gets the current reset mode.
  62 //  Author:         Jeff.Li
  63 //  Note:
  64 /*****************************************************************************/
  65 PUBLIC uint32 BOOT_GetRstMode (void)
  66 {
  67     return CHIP_PHY_GetRstMode ();
  68 }
  69
  70 /*****************************************************************************/
  71 //  Description:    After normal power on, the HW_RST flag should be reset in
  72 //                  order to judge differrent reset conditions between normal
  73 //                  power on reset and watchdog reset.
  74 //  Author:         Jeff.Li
  75 //  Note:
  76 /*****************************************************************************/
  77 PUBLIC void BOOT_ResetHWFlag ()
  78 {
  79     CHIP_PHY_ResetHWFlag (0x1FFF);
  80 }
  81
  82 /*****************************************************************************/
  83 //  Description:    Before watchdog reset, writting HW_RST flag is uesed to j-
  84 //                  udge differrent watchdog reset conditions between MCU reset
  85 //                  and system-halted.
  86 //  Author:         Jeff.Li
  87 //  Note:
  88 /*****************************************************************************/
  89 PUBLIC void BOOT_SetWDGHWFlag (WDG_HW_FLAG_T type, uint32 val)
  90 {
  91         CHIP_PHY_SetWDGHWFlag (type, val);
  92 }
  93
  94 PUBLIC void BOOT_ResetHWVal(uint32 val)
  95 {
  96     CHIP_PHY_ResetHWFlag (val);
  97 }
  98
  99
 100 /**---------------------------------------------------------------------------*
 101  **                         Compiler Flag                                     *
 102  **---------------------------------------------------------------------------*/
 103 #ifdef __cplusplus
 104 }
 105 #endif