misc.s
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;/*****************************************************************************
;* Copyright Statement:
;* --------------------
;* This software is protected by Copyright and the information contained
;* herein is confidential. The software may not be copied and the information
;* contained herein may not be used or disclosed except with the written
;* permission of MediaTek Inc. (C) 2005
;*
;* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
;* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
;* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
;* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
;* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
;* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
;* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
;* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
;* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
;* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
;* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
;* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
;*
;* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
;* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
;* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
;* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
;* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
;*
;* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
;* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
;* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
;* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
;* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
;*
;*****************************************************************************/
;
;/*****************************************************************************
; *
; * Filename:
; * ---------
; * misc.s
; *
; * Project:
; * --------
; * Maui_Software
; *
; * Description:
; * ------------
; * This file defines memcpy functions forthe following chips:
; * MT6235
; * MT6235B
; * MT6268A
; * MT6268
; * MT6236
; * MT6236B
; *
; * Author:
; * -------
; * -------
; *
; *============================================================================
; * HISTORY
; * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
; *------------------------------------------------------------------------------
; * removed!
; * removed!
; * removed!
; * removed!
; * removed!
; * removed!
; * removed!
; * removed!
; *------------------------------------------------------------------------------
; * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
; *============================================================================
; ****************************************************************************/
IF :DEF: MT6235 :LOR: :DEF: MT6235B :LOR: :DEF: MT6268A :LOR: :DEF: MT6268 :LOR: :DEF: MT6236 :LOR: :DEF: MT6236B
; If assembled with TASM the variable {CONFIG} will be set to 16
; If assembled with ARMASM the variable {CONFIG} will be set to 32
; Set the variable THUMB to TRUE or false depending on whether the
; file is being assembled with TASM or ARMASM.
GBLL THUMB
GBLL ARM
[ {CONFIG} = 16
THUMB SETL {TRUE}
ARM SETL {FALSE}
; If assembling with TASM go into 32 bit mode as the Armulator will
; start up the program in ARM state.
CODE32
|
THUMB SETL {FALSE}
ARM SETL {TRUE}
]
CODE32
AREA |INTSRAM_ROCODE|, CODE, READONLY
; /*----------------------------*/
; /* Definitions */
; /*----------------------------*/
INT_BIT EQU &C0 ; Interrupt bits
; /*----------------------------*/
; /* Import functions */
; /*----------------------------*/
IMPORT __rt_memcpy
; /*----------------------------*/
; /* Export functions */
; /*----------------------------*/
IF :DEF: MT6235 :LOR: :DEF: MT6235B
;/*************************************************************************/
;/* */
;/* FUNCTION */
;/* INT_Memcpy */
;/* */
;/* DESCRIPTION */
;/* Wrapper to memory copy function (ADS library) in TCM */
;/* */
;/* CALLS */
;/* */
;/* INPUTS */
;/* None */
;/* */
;/* OUTPUTS */
;/* None */
;/*************************************************************************/
; VOID INT_Memcpy(Dest , Source , Size)
; {
EXPORT INT_Memcpy
INT_Memcpy
STMDB SP!,{R0,R14}
BL __rt_memcpy
LDMIA SP!,{R0,R14}
[ THUMB
BX lr ; Return to caller
|
MOV pc,lr ; Return to caller
]
;}
ENDIF
IF :DEF: MT6268A
;
;/*************************************************************************/
;/* */
;/* FUNCTION */
;/* WriteHWRegister */
;/* */
;/* DESCRIPTION */
;/* This function writes a value to a given address in a special */
;/* sequence. It is for MT6268A special usage (SW workaround for 3G HW).*/
;/* */
;/* INPUTS */
;/* addr - the specified target address */
;/* value - the specified value to write */
;/* */
;/* OUTPUTS */
;/* None */
;/*************************************************************************/
; VOID WriteHWRegister(UINT addr, UINT value)
;{
WriteHWRegister
EXPORT WriteHWRegister
; Save Previous CPSR into R3
MRS R2,CPSR
MOV R3,R2
ORR R2,R2,#INT_BIT
MSR CPSR_c, R2
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
LDRH r2,[r0,#0]
STRH r1,[r0,#0]
NOP
NOP
NOP
NOP
STRH r1,[r0,#0]
LDRH r2,[r0,#0]
MRS R1,CPSR
AND R2,R3,#INT_BIT
BIC R1,R1,#INT_BIT
ORR R3,R1,R2
MSR CPSR_c,R3
[ THUMB
BX lr ; Return to caller
|
MOV pc,lr ; Return to caller
]
;}
ENDIF ; MT6268A || MT6268 || MT6270A
IF :DEF: MT6268 :LOR: :DEF: MT6236 :LOR: :DEF: MT6236B
AREA |INTSRAM_ROCODE|, CODE, READONLY
;
;/*************************************************************************/
;/* */
;/* FUNCTION */
;/* store_8word */
;/* */
;/* DESCRIPTION */
;/* This function repeatedly writes 8-word data to a given address */
;/* with given patterns. */
;/* It is for MT6268 EMI's DDR-DQS-auto-track calibration mechanism. */
;/* */
;/* INPUTS */
;/* addr - the specified target address */
;/* pattern - the specified pattern to use */
;/* */
;/* OUTPUTS */
;/* None */
;/*************************************************************************/
; INT store_8word(UINT addr, UINT pattern)
;{
store_8word
EXPORT store_8word
STMDB sp!, {r4,r5,r6,r7,r8,r9}
MVN r3,r1
ADD r4, r1, r1
ADD r5, r3, r3
ADD r6, r4, r4
ADD r7, r5, r5
ADD r8, r6, r6
ADD r9, r7, r7
STMIA r0, {r1,r3,r4,r5,r6,r7,r8,r9}
StoreEnd
LDMIA sp!, {r4,r5,r6,r7,r8,r9}
[ THUMB
BX lr ; Return to caller
|
MOV pc,lr ; Return to caller
]
;}
;
;/*************************************************************************/
;/* */
;/* FUNCTION */
;/* load_8word */
;/* */
;/* DESCRIPTION */
;/* This function repeatedly reads 8-word data from a given address */
;/* and compare with given patterns. */
;/* It is for MT6268 EMI's DDR-DQS-auto-track calibration mechanism. */
;/* */
;/* INPUTS */
;/* addr - the specified target address */
;/* pattern - the specified pattern to compare */
;/* */
;/* OUTPUTS */
;/* 0 if the result is match; non-zero if no match */
;/*************************************************************************/
; INT load_8word(UINT addr, UINT value)
;{
load_8word
EXPORT load_8word
STMDB sp!, {r4-r12}
MOV r12,#0
MVN r3,r1
LDMIA r0, {r4,r5,r6,r7,r8,r9,r10,r11}
CMP r4, r1
MOVNE r12, #9
BNE LoadEnd
CMP r5, r3
MOVNE r12, #10
BNE LoadEnd
ADD r1, r1, r1
CMP r6, r1
MOVNE r12, #11
BNE LoadEnd
ADD r3, r3, r3
CMP r7, r3
MOVNE r12, #12
BNE LoadEnd
ADD r1, r1, r1
CMP r8, r1
MOVNE r12, #13
BNE LoadEnd
ADD r3, r3, r3
CMP r9, r3
MOVNE r12, #14
BNE LoadEnd
ADD r1, r1, r1
CMP r10, r1
MOVNE r12, #15
BNE LoadEnd
ADD r3, r3, r3
CMP r11, r3
MOVNE r12, #16
LoadEnd
mov r0, r12
LDMIA sp!, {r4-r12}
[ THUMB
BX lr ; Return to caller
|
MOV pc,lr ; Return to caller
]
;}
ENDIF ; MT6268 || MT6236 || MT62636B
ENDIF
END