arch/arm/cpu/armv7/sc9630/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 "asm/arch/boot_drvapi.h"
  24 /**---------------------------------------------------------------------------*
  25  **                         Compiler Flag                                     *
  26  **---------------------------------------------------------------------------*/
  27 #ifdef __cplusplus
  28 extern   "C"
  29 {
  30 #endif
  31
  32 /**---------------------------------------------------------------------------*
  33  **                         Global variables                                  *
  34  **---------------------------------------------------------------------------*/
  35
  36 /**---------------------------------------------------------------------------*
  37  **                         Local variables                                   *
  38  **---------------------------------------------------------------------------*/
  39 LOCAL BOOLEAN wdg_debug_mode = SCI_FALSE;
  40
  41 /**---------------------------------------------------------------------------*
  42  **                     Local Function Prototypes                             *
  43  **---------------------------------------------------------------------------*/
  44
  45 /**---------------------------------------------------------------------------*
  46  **                         Function Prototypes                               *
  47  **---------------------------------------------------------------------------*/
  48 /*****************************************************************************/
  49 //  Description:    Sets the different kinds of reset modes, used in normal p-
  50 //                  ower up mode, watchdog reset mode and calibration mode etc.
  51 //  Author:         Jeff.Li
  52 //  Note:
  53 /*****************************************************************************/
  54 PUBLIC void BOOT_SetRstMode (uint32 val)
  55 {
  56     CHIP_PHY_SetRstMode (val);
  57 }
  58
  59 /*****************************************************************************/
  60 //  Description:    Gets the current reset mode.
  61 //  Author:         Jeff.Li
  62 //  Note:
  63 /*****************************************************************************/
  64 PUBLIC uint32 BOOT_GetRstMode (void)
  65 {
  66     return CHIP_PHY_GetRstMode ();
  67 }
  68
  69 /*****************************************************************************/
  70 //  Description:    After normal power on, the HW_RST flag should be reset in
  71 //                  order to judge differrent reset conditions between normal
  72 //                  power on reset and watchdog reset.
  73 //  Author:         Jeff.Li
  74 //  Note:
  75 /*****************************************************************************/
  76 PUBLIC void BOOT_ResetHWFlag ()
  77 {
  78     CHIP_PHY_ResetHWFlag (0x1FFF);
  79 }
  80
  81 /*****************************************************************************/
  82 //  Description:    Before watchdog reset, writting HW_RST flag is uesed to j-
  83 //                  udge differrent watchdog reset conditions between MCU reset
  84 //                  and system-halted.
  85 //  Author:         Jeff.Li
  86 //  Note:
  87 /*****************************************************************************/
  88 PUBLIC void BOOT_SetWDGHWFlag (WDG_HW_FLAG_T type, uint32 val)
  89 {
  90         CHIP_PHY_SetWDGHWFlag (type, val);
  91 }
  92
  93 PUBLIC void BOOT_ResetHWVal(uint32 val)
  94 {
  95     CHIP_PHY_ResetHWFlag (val);
  96 }
  97
  98
  99 /**---------------------------------------------------------------------------*
 100  **                         Compiler Flag                                     *
 101  **---------------------------------------------------------------------------*/
 102 #ifdef __cplusplus
 103 }
 104 #endif