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authorKevin2014-11-15 11:48:36 +0800
committerKevin2014-11-15 11:48:36 +0800
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Diffstat (limited to 'board/Marvell/include/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 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 */