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-rw-r--r--include/galileo/memory.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/include/galileo/memory.h b/include/galileo/memory.h
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+++ b/include/galileo/memory.h
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+/* 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 */
+