bootarm.s

MTK debug flash 兼容性的code

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;/*****************************************************************************
; *
; * Filename:
; * ---------
; *   bootarm.s
; *
; * Project:
; * --------
; *   Maui_Software
; *
; * Description:
; * ------------
; *   This Module defines the boot sequence of asm level.
; *
; * Author:
; * -------
; *   Rex   Luo  (mtk00389)
; *   Anthony Chin (mtk00276)
; *
; *============================================================================
; *             HISTORY
; * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
; *------------------------------------------------------------------------------
; * $Revision:   1.38  $
; * $Modtime:   Aug 15 2005 18:13:06  $
; * $Log:   //mtkvs01/vmdata/Maui_sw/archives/mcu/init/src/bootarm.s-arc  $
; *
; * Aug 7 2007 mtk01500
; * [MAUI_00530954] [System Service] Check in the feature of HW ID check
; * 
; *
; * Aug 7 2007 mtk01500
; * [MAUI_00530954] [System Service] Check in the feature of HW ID check
; * 
; *
; * Jul 7 2007 mtk01077
; * [MAUI_00413769] [INIT] adjust exception stack pointer to avoid corrupt neighbor global variable
; * 
; *
; * May 10 2007 mtk01178
; * [MAUI_00387299] [New Chip Support][MT6230] add MT6230 support to bootarm.s
; * Add MT6230 support
; *
; * Apr 17 2007 mtk01077
; * [MAUI_00382952] [SST] Add System Stack , TIMER HISR Guard Pattern and Checking
; * 
; *
; * Feb 12 2007 mtk00702
; * [MAUI_00346291] [init][Enhancement] Check IRQ disable duration
; * add LockIRQ() and refine DisableIRQ()
; *
; * Feb 6 2007 mtk01337
; * [MAUI_00361983] [NOR][FDM]Enhanced Single Bank NOR Flash Support
; * Add remapping definition for single bank support on MT6225.
; *
; * Feb 5 2007 mtk00702
; * [MAUI_00346291] [init][Enhancement] Check IRQ disable duration
; * merge SNORCODE section into INTERNCODE section
; *
; * Jan 29 2007 mtk01337
; * [MAUI_00361983] [NOR][FDM]Enhanced Single Bank NOR Flash Support
; * enhanced single bank NOR flash support phase in
; *
; * Jan 4 2007 mtk01587
; * [MAUI_00355761] [init][AddFeature] Dynamic switch stack
; * Remove the compiler option __SW_JPEG_CODEC_SUPPORT__
; *
; * Jan 2 2007 mtk01587
; * [MAUI_00355761] [init][AddFeature] Dynamic switch stack
; * Add compile option __SW_JPEG_CODEC_SUPPORT__
; *
; * Jan 2 2007 mtk01587
; * [MAUI_00355761] [init][AddFeature] Dynamic switch stack
; * Add INT_SwitchStackAndBranch()
; *
; * Dec 26 2006 mtk01178
; * [MAUI_00342696] [New Feature][FOTA] Add firmware update over the air feature
; * modify bootarm.s to support FOTA
; *
; * Dec 8 2006 mtk00702
; * [MAUI_00339559] [kal][AddFeature] THREADX porting
; * add dummy reference
; *
; * Dec 5 2006 mtk00681
; * [MAUI_00348640] [SST] Remove JTAG control compile option
; * 
; *
; * Nov 27 2006 mtk00702
; * [MAUI_00346291] [init][Enhancement] Check IRQ disable duration
; * rename SaveAndSetIRQMask() and RestoreIRQMask() to DisableIRQ() and RestoreIRQ() respectively.
; *
; * Nov 6 2006 mtk00702
; * [MAUI_00339559] [kal][AddFeature] THREADX porting
; * add INT_GetCurrentSP()
; *
; * Oct 31 2006 mtk00702
; * [MAUI_00339559] [kal][AddFeature] THREADX porting
; * add threadx-related code
; *
; * Oct 24 2006 mtk00576
; * [MAUI_00338241] [Init][Bug Fixed]Enable SW JTAG ealier
; * Calling SST_DTLB_Init().
; *
; * Oct 23 2006 mtk01077
; * [MAUI_00337852] [INIT] independent stack pool for exception handling
; * 
; *
; * Jul 9 2006 mtk01337
; * [MAUI_00208924] [SST][Enhancement] keep the sp used before abnormal reset
; * Save current sp value before INT_System_Reset_Check( )
; 
;    Rev 1.38   Aug 15 2005 18:19:58   mtk00576
; Assign SaveAndSetIRQMask and RestoreIRQMask to internal SRAM.
; Resolution for 12357: [INIT, CUSTOM][Add Feature] System site supports single bank NOR-flash solution
; 
;    Rev 1.37   Jul 28 2005 17:20:14   mtk00576
; Adding custom_setAdvEMI.
; Resolution for 12098: [Init, Inc, drv, custom][Add Feature] Porting system to MT6226, MT6227 and MT6229
; 
;    Rev 1.36   Jun 27 2005 12:23:44   mtk00576
; Disable INT_Swith2BurstMode.
; Resolution for 11695: [Init, Custom, SST][Enhancement] Leaving EMI setting outside of MAUI
; 
;    Rev 1.35   Jun 13 2005 09:27:20   BM
; add copyright and disclaimer
; 
;    Rev 1.34   May 29 2005 12:43:44   mtk00576
; Porting to MT6228
; Resolution for 11274: [System][Enhancement] Support MT6228
; 
;    Rev 1.33   May 06 2005 20:01:12   mtk00681
; Add ROM code initialization
; Resolution for 10959: [ROM][AddFeature] Add ROM code support on main trunk
; 
;    Rev 1.32   Feb 01 2005 17:05:12   mtk00702
; 1. invoke INT_Switch2BurstMode
; 2. add IMG_INFO
; Resolution for 9731: [INIT, SST][AddFeature] Add Chip UID feature
; 
;    Rev 1.31   Nov 08 2004 17:48:16   mtk00576
; Changing FIQ service routine.
; Resolution for 8654: [Init][Enhancement] Correction of FIQ service routine.
; 
;    Rev 1.30   Sep 24 2004 10:50:50   mtk00576
; Rest the SP to system stack rather than IRQ stack.
; Resolution for 7064: [INIT][Bug Fixed] Memory corruption at system stack.
; 
;    Rev 1.29   Aug 08 2004 22:34:08   mtk00576
; Changing stack initialization method.
; Resolution for 7064: [INIT][Bug Fixed] Memory corruption at system stack.
; 
;    Rev 1.28   Apr 27 2004 16:45:24   mtk00576
; Take abnormal reset into consideration.
; 
;    Rev 1.27   Apr 15 2004 18:43:36   mtk00576
; (1) Setting RLT to 2 rather than 7.
; (2) Adding NOP soon after remapping.
; (3) Restart watchdog at the first instruction fetched from address 0x0800____.
; Resolution for 518: Fatal Error on Internal KAL Take Mutex when power on the MS
; Resolution for 552: [PS2][Tester] System error - undefined exception
; Resolution for 956: Fatal Error:Undefined Exception lr=0x250 -?????????
; 
;    Rev 1.26   Dec 29 2003 14:54:10   mtk00702
; Re-write the comment of INT_ExceptionSwitchSP() function definition.
; 
;    Rev 1.25   Dec 12 2003 18:34:38   mtk00576
; Switching SP to system stack while system error.
; Resolution for 3530: [KAL][Enhancement]Avoid damaging stack of offending task.
; 
;    Rev 1.24   Nov 20 2003 17:34:48   mtk00576
; Merging CPU exception to stack fatal error.
; Resolution for 3374: [KAL][Enhancement]Simplify bootarm.s and adding Remapping Scheme
; 
;    Rev 1.23   Nov 19 2003 18:05:16   mtk00576
; Saving ISR return address to global variable processing_irqlr.
; Resolution for 418: Assert fail:0 m12168.c 485
; 
;    Rev 1.22   Oct 29 2003 16:06:32   mtk00576
; Porting to MT6218B.
; Resolution for 3225: [Init][Add Feature]Porting to support MT6218B.
; 
;    Rev 1.21   Oct 03 2003 21:50:18   mtk00576
; Always disable watchdog in saving exception records.
; Resolution for 3056: [Init][Bug Fixed]Flash corrupted when saving fatal errors with watchdog enabled.
; 
;    Rev 1.20   Sep 19 2003 17:28:38   mtk00576
; Masking IRQ via C function call and passing lr for tracing where abnormal reset taken place.
; Resolution for 2925: [Init][Enhance]Enhance portability and saving return addressof abnormal reset.
; 
;    Rev 1.19   Aug 22 2003 19:43:00   mtk00576
; Removing unnecessary or non-timing critical code and data from internal SRAM to fully utilize its usage.
; Resolution for 2606: Fine tuning code and data of system service occupied in internal SRAM.
; 
;    Rev 1.18   Jun 16 2003 09:10:14   mtk00576
; Declare internal stack as array, includeing IRQ, FIQ, Abort, Undefined, System and Timer HISR.
; Resolution for 2012: [Init][Enhance]Declare internal memory stack as array.
; 
;    Rev 1.17   Jun 11 2003 17:06:58   mtk00389
; Reduce IRQ stack (1024->128), System stack (1536->1024), Timer HISR stack (1024->512), and increase FIQ stack (64->128)
; 
;    Rev 1.16   Jun 06 2003 20:20:46   mtk00389
; Modify for to use INTERNSRAM_DATA as system stack
; Resolution for 93: Integration with MT6218
; 
;    Rev 1.15   May 29 2003 09:26:40   mtk00389
; Modify to save prefetch/data abort, undef instr exception after switch to supervisor mode
; Resolution for 230: General exception handling
; 
;    Rev 1.14   May 27 2003 09:02:36   mtk00389
; Move INT_Config() to external memory
; Resolution for 1705: [System][Optimization]Optimize internal RAM usage
; 
;    Rev 1.12   Mar 25 2003 15:42:40   mtk00389
; Expand stack frame up to 60longs for exception record
; Resolution for 1371: Expand saved stack frame up to 60longs for exception record
; 
;    Rev 1.11.2.0   Mar 12 2003 11:01:00   admin
; check in field trial load based on Maui_sw.W03.11
; 
;    Rev 1.11   27 Jan 2003 10:14:30   mtk00389
; Modify to use WDT timeout interval register as abornmal reset check 
; Resolution for 230: General exception handling
; 
;    Rev 1.10   22 Jan 2003 15:12:00   mtk00389
; Fix disabled codes typo
; Resolution for 223: Fix typo
; 
;    Rev 1.9   22 Jan 2003 09:07:34   mtk00389
; Modify exception record format
; Resolution for 230: General exception handling
; 
;    Rev 1.8   14 Jan 2003 16:48:40   mtk00389
; Fix save MCU information before halt
; Resolution for 230: General exception handling
; 
;    Rev 1.7   09 Jan 2003 15:27:18   mtk00389
; Fix save MCU information and stack information if assertion fail or fatal error
; 
;    Rev 1.6   02 Jan 2003 20:47:22   mtk00389
; add handler for abnormal reset case
; 
;    Rev 1.5   31 Dec 2002 16:55:58   mtk00389
; fix INT_Initialize_Check value due to endian order
; 
;    Rev 1.4   19 Dec 2002 16:54:32   mtk00389
; modify exception handler to dump task information
; 
;    Rev 1.3   19 Dec 2002 13:28:20   mtk00389
; Move set cache, preftech register codes from bootarm.s to init.c 
; 
;    Rev 1.2   17 Dec 2002 18:11:36   mtk00389
; add INT_SaveMCUInfo()
; 
;    Rev 1.1   02 Dec 2002 16:45:36   mtk00389
; optimize boot stack size for different modes
; 
;    Rev 1.0   Nov 30 2002 19:49:54   admin
; Initial revision.
; *------------------------------------------------------------------------------
; * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
; *============================================================================
; ****************************************************************************/
;

;/*************************************************************************/
;/*                                                                       */
;/*            Copyright (c) 1994 -2000 Accelerated Technology, Inc.      */
;/*                                                                       */
;/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
;/* subject matter of this material.  All manufacturing, reproduction,    */
;/* use, and sales rights pertaining to this subject matter are governed  */
;/* by the license agreement.  The recipient of this software implicitly  */
;/* accepts the terms of the license.                                     */
;/*                                                                       */
;/*************************************************************************/
;
;/*************************************************************************/
;/*                                                                       */
;/* FILE NAME                                            VERSION          */
;/*                                                                       */
;/*      bootarm.s                                   ARM 6/7/9 1.11.19    */
;/*                                                                       */
;/* COMPONENT                                                             */
;/*                                                                       */
;/*      IN - Initialization                                              */
;/*                                                                       */
;/* DESCRIPTION                                                           */
;/*                                                                       */
;/*      This file contains the target processor dependent initialization */
;/*      routines and data.                                               */
;/*                                                                       */
;/*                                                                       */
;/* DATA STRUCTURES                                                       */
;/*                                                                       */
;/*      INT_Vectors                         Interrupt vector table       */
;/*                                                                       */
;/* FUNCTIONS                                                             */
;/*                                                                       */
;/*      INT_Initialize                      Target initialization        */
;/*      INT_Vectors_Loaded                  Returns a NU_TRUE if all the */
;/*                                            default vectors are loaded */
;/*      INT_Setup_Vector                    Sets up an actual vector     */
;/*                                                                       */
;/*                                                                       */
;/*************************************************************************/


;/* Define constants used in low-level initialization.  */
;
;
LOCKOUT                 EQU      &C0         ; Interrupt lockout value
LOCK_MSK                EQU      &C0         ; Interrupt lockout mask value
MODE_MASK               EQU      &1F         ; Processor Mode Mask