55 lines
3.1 KiB
Plaintext
55 lines
3.1 KiB
Plaintext
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;*******************************************************************************
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; (c) Copyright 2015 Microsemi SoC Products Group. All rights reserved.
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; SmartFusion2 scatter file for debugging code executing in external MDDR.
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;
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; SVN $Revision: 7419 $
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; SVN $Date: 2015-05-15 16:50:21 +0100 (Fri, 15 May 2015) $
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;
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; * Some current (April 2015) dev kit memory map possibilities are
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; * --Type-------Device-----------address start---address end----size---Dbus--RAM IC-------SF2--Comment---------------
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; * --eNVM-------M2S010-----------0x60000000------0x6007FFFF-----256KB---------------------010------------------------
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; * --eNVM-------M2S090-----------0x60000000------0x6007FFFF-----512KB---------------------090------------------------
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; * --eSRAM------M2Sxxx-----------0x20000000------0x2000FFFF-----64KB----------------------xxx--All have same amount--
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; * --eSRAM------M2Sxxx-----------0x20000000------0x20013FFF-----80KB----------------------xxx--If ECC/SECDED not used
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; * --Fabric-----M2S010-----------0x30000000------0x6007FFFF-----400Kb---------------------010--note-K bits-----------
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; * --Fabric-----M2S090-----------0x30000000------0x6007FFFF-----2074Kb--------------------090--note-K bits-----------
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; * --LPDDR------STARTER-KIT------0xA0000000------0xA3FFFFFF-----64MB---16--MT46H32M16-----050------------------------
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; * --LPDDR------484-STARTER-KIT--0xA0000000------0xA3FFFFFF-----64MB---16--MT46H32M16-----010------------------------
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; * --LPDDR------SEC-EVAL-KIT-----0xA0000000------0xA3FFFFFF-----64MB---16--MT46H32M16LF---090--Security eval kit-----
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; * --DDR3-------ADevKit----------0xA0000000------0xBFFFFFFF-----1GB----32--MT41K256M8DA---150------------------------
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; * --Some older physical memory map possibilities are
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; * --Type-------location---------address start---address end----size---Dbus---RAM IC------SF2--Comment--------------
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; * --LPDDR------EVAL KIT---------0xA0000000------0xA3FFFFFF-----64MB-=-16--MT46H32M16LF---025--Eval Kit--------------
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; * --DDR3-------DevKit-----------0xA0000000------0xAFFFFFFF-----512MB--16--MT41K256M8DA---050------------------------
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;
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; Example linker scripts use lowest practicl values so will work accross dev kits
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; eNVM=256KB eRAM=64KB External memory = 64MB
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; Extern RAM 64M in total
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; allocate 1/2 to progam, 1/2 to variable data
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RAM_LOAD 0x00000000 0x04000000
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{
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; Total = 64MB (lowest common amount accross dev kits) 32MB - First half of external memory allocated to RO Code
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ER_RO 0x00000000 0x02000000
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{
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*.o (RESET, +First)
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*(InRoot$$Sections)
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.ANY (+RO)
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}
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; Heap size is defined in startup_m2sxxx.s
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; Heap will be added after RW data in ER_RW unless explicitly
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; allocated a meemory region in .sct file
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; Stack size is defined in startup_m2sxxx.s
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; Stack will be added after heap in ER_RW unless explicitly
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; allocated a memory region in .sct file as is the case below
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STACKS 0x20000000 UNINIT
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{
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startup_m2sxxx.o (STACK)
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}
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; 32 MB- Second half of external memory allocated to RW data
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ER_RW 0xA2000000 0x02000000
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{
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.ANY (+RW +ZI)
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}
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}
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