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Diffstat (limited to 'include/galileo/memory.h')
| -rw-r--r-- | include/galileo/memory.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/include/galileo/memory.h b/include/galileo/memory.h new file mode 100644 index 0000000..99bd79b --- /dev/null +++ b/include/galileo/memory.h @@ -0,0 +1,86 @@ +/* Memory.h - Memory mappings and remapping functions declarations */ + +/* Copyright - Galileo technology. */ + +#ifndef __INCmemoryh +#define __INCmemoryh + +/* includes */ + +#include "core.h" + +/* defines */ + +#define DONT_MODIFY 0xffffffff +#define PARITY_SUPPORT 0x40000000 + +#define _8BIT 0x00000000 +#define _16BIT 0x00100000 +#define _32BIT 0x00200000 +#define _64BIT 0x00300000 + +/* typedefs */ + + typedef struct deviceParam +{ /* boundary values */ + unsigned int turnOff; /* 0x0 - 0xf */ + unsigned int acc2First; /* 0x0 - 0x1f */ + unsigned int acc2Next; /* 0x0 - 0x1f */ + unsigned int ale2Wr; /* 0x0 - 0xf */ + unsigned int wrLow; /* 0x0 - 0xf */ + unsigned int wrHigh; /* 0x0 - 0xf */ + unsigned int deviceWidth; /* in Bytes */ +} DEVICE_PARAM; + +typedef enum __memBank{BANK0,BANK1,BANK2,BANK3} MEMORY_BANK; +typedef enum __memDevice{DEVICE0,DEVICE1,DEVICE2,DEVICE3,BOOT_DEVICE} DEVICE; + +typedef enum __memoryProtectRegion{MEM_REGION0,MEM_REGION1,MEM_REGION2, \ + MEM_REGION3,MEM_REGION4,MEM_REGION5, \ + MEM_REGION6,MEM_REGION7} \ + MEMORY_PROTECT_REGION; +typedef enum __memoryAccess{MEM_ACCESS_ALLOWED,MEM_ACCESS_FORBIDEN} \ + MEMORY_ACCESS; +typedef enum __memoryWrite{MEM_WRITE_ALLOWED,MEM_WRITE_FORBIDEN} \ + MEMORY_ACCESS_WRITE; +typedef enum __memoryCacheProtect{MEM_CACHE_ALLOWED,MEM_CACHE_FORBIDEN} \ + MEMORY_CACHE_PROTECT; +typedef enum __memorySnoopType{MEM_NO_SNOOP,MEM_SNOOP_WT,MEM_SNOOP_WB} \ + MEMORY_SNOOP_TYPE; +typedef enum __memorySnoopRegion{MEM_SNOOP_REGION0,MEM_SNOOP_REGION1, \ + MEM_SNOOP_REGION2,MEM_SNOOP_REGION3} \ + MEMORY_SNOOP_REGION; + +/* functions */ +unsigned int memoryGetBankBaseAddress(MEMORY_BANK bank); +unsigned int memoryGetDeviceBaseAddress(DEVICE device); +unsigned int memoryGetBankSize(MEMORY_BANK bank); +unsigned int memoryGetDeviceSize(DEVICE device); +unsigned int memoryGetDeviceWidth(DEVICE device); + +/* when given base Address and size Set new WINDOW for SCS_X. (X = 0,1,2 or 3*/ +bool memoryMapBank(MEMORY_BANK bank, unsigned int bankBase,unsigned int bankLength); +bool memoryMapDeviceSpace(DEVICE device, unsigned int deviceBase,unsigned int deviceLength); + +/* Change the Internal Register Base Address to a new given Address. */ +bool memoryMapInternalRegistersSpace(unsigned int internalRegBase); +/* returns internal Register Space Base Address. */ +unsigned int memoryGetInternalRegistersSpace(void); +/* Configurate the protection feature to a given space. */ +bool memorySetProtectRegion(MEMORY_PROTECT_REGION region, + MEMORY_ACCESS memoryAccess, + MEMORY_ACCESS_WRITE memoryWrite, + MEMORY_CACHE_PROTECT cacheProtection, + unsigned int baseAddress, + unsigned int regionLength); +/* Configurate the snoop feature to a given space. */ +bool memorySetRegionSnoopMode(MEMORY_SNOOP_REGION region, + MEMORY_SNOOP_TYPE snoopType, + unsigned int baseAddress, + unsigned int regionLength); + +bool memoryRemapAddress(unsigned int remapReg, unsigned int remapValue); +bool memoryGetDeviceParam(DEVICE_PARAM *deviceParam, DEVICE deviceNum); +bool memorySetDeviceParam(DEVICE_PARAM *deviceParam, DEVICE deviceNum); +#endif /* __INCmemoryh */ + |