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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 MINIMUM_MEM_BANK_SIZE 0x10000
#define MINIMUM_DEVICE_WINDOW_SIZE 0x10000
#define MINIMUM_PCI_WINDOW_SIZE 0x10000
#define MINIMUM_ACCESS_WIN_SIZE 0x10000
#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 badrSkew; /* 0x0 - 0x2 */
unsigned int DPEn; /* 0x0 - 0x1 */
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;*/
/* There are four possible windows that can be defined as protected */
typedef enum _memoryProtectWindow{MEM_WINDOW0,MEM_WINDOW1,MEM_WINDOW2,
MEM_WINDOW3
} MEMORY_PROTECT_WINDOW;
/* When defining a protected window , this paramter indicates whether it
is accessible or not */
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;
/* There are 21 memory windows dedicated for the varios interfaces (PCI,
devCS (devices), CS(DDR), interenal registers and SRAM) used by the CPU's
address decoding mechanism. */
typedef enum _memoryWindow {CS_0_WINDOW = BIT0, CS_1_WINDOW = BIT1,
CS_2_WINDOW = BIT2, CS_3_WINDOW = BIT3,
DEVCS_0_WINDOW = BIT4, DEVCS_1_WINDOW = BIT5,
DEVCS_2_WINDOW = BIT6, DEVCS_3_WINDOW = BIT7,
BOOT_CS_WINDOW = BIT8, PCI_0_IO_WINDOW = BIT9,
PCI_0_MEM0_WINDOW = BIT10,
PCI_0_MEM1_WINDOW = BIT11,
PCI_0_MEM2_WINDOW = BIT12,
PCI_0_MEM3_WINDOW = BIT13, PCI_1_IO_WINDOW = BIT14,
PCI_1_MEM0_WINDOW = BIT15, PCI_1_MEM1_WINDOW =BIT16,
PCI_1_MEM2_WINDOW = BIT17, PCI_1_MEM3_WINDOW =BIT18,
INTEGRATED_SRAM_WINDOW = BIT19,
INTERNAL_SPACE_WINDOW = BIT20,
ALL_WINDOWS = 0X1FFFFF
} MEMORY_WINDOW;
typedef enum _memoryWindowStatus {MEM_WINDOW_ENABLED,MEM_WINDOW_DISABLED
} MEMORY_WINDOW_STATUS;
typedef enum _pciMemWindow{PCI_0_IO,PCI_0_MEM0,PCI_0_MEM1,PCI_0_MEM2,PCI_0_MEM3
#ifdef INCLUDE_PCI_1
,PCI_1_IO,PCI_1_MEM0,PCI_1_MEM1,PCI_1_MEM2,PCI_1_MEM3
#endif /* INCLUDE_PCI_1 */
} PCI_MEM_WINDOW;
/* -------------------------------------------------------------------------------------------------*/
/* functions */
unsigned int memoryGetBankBaseAddress(MEMORY_BANK bank);
unsigned int memoryGetDeviceBaseAddress(DEVICE device);
/* New at MV6436x */
unsigned int MemoryGetPciBaseAddr(PCI_MEM_WINDOW pciWindow);
unsigned int memoryGetBankSize(MEMORY_BANK bank);
unsigned int memoryGetDeviceSize(DEVICE device);
unsigned int memoryGetDeviceWidth(DEVICE device);
/* New at MV6436x */
unsigned int gtMemoryGetPciWindowSize(PCI_MEM_WINDOW pciWindow);
/* 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);
/* Set a new base and size for one of the memory banks (CS0 - CS3) */
bool gtMemorySetMemoryBank(MEMORY_BANK bank, unsigned int bankBase,
unsigned int bankSize);
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);
/* Returns the integrated SRAM Base Address. */
unsigned int memoryGetInternalSramBaseAddr(void);
/* -------------------------------------------------------------------------------------------------*/
/* Set new base address for the integrated SRAM. */
void memorySetInternalSramBaseAddr(unsigned int sramBaseAddress);
/* -------------------------------------------------------------------------------------------------*/
/* Delete a protection feature to a given space. */
void memoryDisableProtectRegion(MEMORY_PROTECT_WINDOW window);
/* -------------------------------------------------------------------------------------------------*/
/* Writes a new remap value to the remap register */
unsigned int memorySetPciRemapValue(PCI_MEM_WINDOW memoryWindow,
unsigned int remapValueHigh,
unsigned int remapValueLow);
/* -------------------------------------------------------------------------------------------------*/
/* Configurate the protection feature to a given space. */
bool memorySetProtectRegion(MEMORY_PROTECT_WINDOW window,
MEMORY_ACCESS gtMemoryAccess,
MEMORY_ACCESS_WRITE gtMemoryWrite,
MEMORY_CACHE_PROTECT cacheProtection,
unsigned int baseAddress,
unsigned int size);
/* 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);
/* Set a new base and size for one of the PCI windows. */
bool memorySetPciWindow(PCI_MEM_WINDOW pciWindow, unsigned int pciWindowBase,
unsigned int pciWindowSize);
/* Disable or enable one of the 21 windows dedicated for the CPU's
address decoding mechanism */
void MemoryDisableWindow(MEMORY_WINDOW window);
void MemoryEnableWindow (MEMORY_WINDOW window);
MEMORY_WINDOW_STATUS MemoryGetMemWindowStatus(MEMORY_WINDOW window);
#endif /* __INCmemoryh */
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