86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
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/* Memory.h - Memory mappings and remapping functions declarations */
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/* Copyright - Galileo technology. */
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#ifndef __INCmemoryh
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#define __INCmemoryh
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/* includes */
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#include "core.h"
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/* defines */
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#define DONT_MODIFY 0xffffffff
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#define PARITY_SUPPORT 0x40000000
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#define _8BIT 0x00000000
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#define _16BIT 0x00100000
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#define _32BIT 0x00200000
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#define _64BIT 0x00300000
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/* typedefs */
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typedef struct deviceParam
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{ /* boundary values */
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unsigned int turnOff; /* 0x0 - 0xf */
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unsigned int acc2First; /* 0x0 - 0x1f */
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unsigned int acc2Next; /* 0x0 - 0x1f */
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unsigned int ale2Wr; /* 0x0 - 0xf */
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unsigned int wrLow; /* 0x0 - 0xf */
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unsigned int wrHigh; /* 0x0 - 0xf */
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unsigned int deviceWidth; /* in Bytes */
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} DEVICE_PARAM;
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typedef enum __memBank{BANK0,BANK1,BANK2,BANK3} MEMORY_BANK;
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typedef enum __memDevice{DEVICE0,DEVICE1,DEVICE2,DEVICE3,BOOT_DEVICE} DEVICE;
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typedef enum __memoryProtectRegion{MEM_REGION0,MEM_REGION1,MEM_REGION2, \
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MEM_REGION3,MEM_REGION4,MEM_REGION5, \
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MEM_REGION6,MEM_REGION7} \
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MEMORY_PROTECT_REGION;
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typedef enum __memoryAccess{MEM_ACCESS_ALLOWED,MEM_ACCESS_FORBIDEN} \
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MEMORY_ACCESS;
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typedef enum __memoryWrite{MEM_WRITE_ALLOWED,MEM_WRITE_FORBIDEN} \
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MEMORY_ACCESS_WRITE;
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typedef enum __memoryCacheProtect{MEM_CACHE_ALLOWED,MEM_CACHE_FORBIDEN} \
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MEMORY_CACHE_PROTECT;
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typedef enum __memorySnoopType{MEM_NO_SNOOP,MEM_SNOOP_WT,MEM_SNOOP_WB} \
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MEMORY_SNOOP_TYPE;
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typedef enum __memorySnoopRegion{MEM_SNOOP_REGION0,MEM_SNOOP_REGION1, \
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MEM_SNOOP_REGION2,MEM_SNOOP_REGION3} \
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MEMORY_SNOOP_REGION;
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/* functions */
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unsigned int memoryGetBankBaseAddress(MEMORY_BANK bank);
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unsigned int memoryGetDeviceBaseAddress(DEVICE device);
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unsigned int memoryGetBankSize(MEMORY_BANK bank);
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unsigned int memoryGetDeviceSize(DEVICE device);
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unsigned int memoryGetDeviceWidth(DEVICE device);
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/* when given base Address and size Set new WINDOW for SCS_X. (X = 0,1,2 or 3*/
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bool memoryMapBank(MEMORY_BANK bank, unsigned int bankBase,unsigned int bankLength);
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bool memoryMapDeviceSpace(DEVICE device, unsigned int deviceBase,unsigned int deviceLength);
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/* Change the Internal Register Base Address to a new given Address. */
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bool memoryMapInternalRegistersSpace(unsigned int internalRegBase);
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/* returns internal Register Space Base Address. */
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unsigned int memoryGetInternalRegistersSpace(void);
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/* Configurate the protection feature to a given space. */
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bool memorySetProtectRegion(MEMORY_PROTECT_REGION region,
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MEMORY_ACCESS memoryAccess,
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MEMORY_ACCESS_WRITE memoryWrite,
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MEMORY_CACHE_PROTECT cacheProtection,
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unsigned int baseAddress,
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unsigned int regionLength);
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/* Configurate the snoop feature to a given space. */
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bool memorySetRegionSnoopMode(MEMORY_SNOOP_REGION region,
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MEMORY_SNOOP_TYPE snoopType,
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unsigned int baseAddress,
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unsigned int regionLength);
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bool memoryRemapAddress(unsigned int remapReg, unsigned int remapValue);
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bool memoryGetDeviceParam(DEVICE_PARAM *deviceParam, DEVICE deviceNum);
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bool memorySetDeviceParam(DEVICE_PARAM *deviceParam, DEVICE deviceNum);
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#endif /* __INCmemoryh */
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