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71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
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;------------------------------------------------------------------------------
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; C startup for ColdFire MCF52223
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;
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; This module contains device configuration.
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;
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;------------------------------------------------------------------------------
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; Copyright 2007 IAR Systems. All rights reserved.
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; $Revision: 1.3 $
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;------------------------------------------------------------------------------
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MODULE ?M52223_CSTART
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RSEG CSTACK:DATA(2)
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PUBLIC __program_start
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PUBLIC ?CSTART_DEVICE
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EXTERN ?C_STARTUP
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EXTERN __FLASHBEGIN
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EXTERN __RAMBEGIN
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EXTERN __VBR
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EXTERN __IPSBAR
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COMMON INTVEC:CODE(2)
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ORG 0x00
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__program_start:
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DC32 SFE(CSTACK)
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DC32 ?CSTART_DEVICE
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;------------------------------------------------------------------------------
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; Clear CFM configuration field
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;------------------------------------------------------------------------------
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RSEG CFMCONFIG:CODE(1)
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DC32 0x00000000
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DC32 0x00000000
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DC32 0x00000000
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DC32 0x00000000
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DC32 0x00000000
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DC32 0x00000000
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;------------------------------------------------------------------------------
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; Device configuration.
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;------------------------------------------------------------------------------
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RSEG RCODE:CODE(1)
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#include "io52223.h"
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?CSTART_DEVICE:
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MOVE.L #__FLASHBEGIN, D7
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OR.L #1, D7
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MOVEC.L D7, FLASHBAR
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MOVE.L #__RAMBEGIN, D7
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OR.L #1, D7
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MOVEC.L D7, RAMBAR
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MOVE.L #__VBR, D7
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MOVEC.L D7, VBR
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MOVE.L #__IPSBAR, D7
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OR.L #1, D7
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MOVE.L D7, (IPSBAR_RESET).L
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JMP (?C_STARTUP).L
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ENDMOD
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END
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