/* sysLib.c - Samsung SBC ARM7 system-dependent routines *//* Copyright 2004-2005 Amine@263.net *//* Copyright 1984-2002 Wind River Systems, Inc. */#include "copyright_wrs.h"/*modification history--------------------01o,29jul04,a_m  BSP定制 for 思創S3C44B0X黃金開發板01k,26mar02,m_h  rename glbEnetAddr to sysSngks32cMacAddr01j,17jan02,m_h  fix cache issues and diab build warnings01i,27sep01,m_h  base MAC address on user DIP setting, Big Endian Support01h,23jul01,m_h  builds in UNIX01g,17jul01,g_h  add visionWARE 2.00 support01f,11jul01,g_h  disable cache in sysToMonitor()01e,10jul01,g_h  add INCLUDE_LCD & INCLUDE_LED & INCLUDE_NETWORK macros01d,09jul01,g_h  add #include "sbcCksum.c" instead of the makefile01c,26apr01,m_h  convert tabs to spaces for readability01b,25apr01,m_h  add comments to cache functions01a,12apr01,m_h  created from snds100 template.*//*DESCRIPTIONThis library provides board-specific routines for the WindRiver SBC ARM7Ver 1.0 Development Board BSP for the Samsung KS32C chip.It #includes the following chip drivers:    nullVme.c         -     dummy VMEbus routines    sngks32cTimer.c   -     SNGKS32CARM7 timer driver    sngks32cIntrCtl.c -     SNGKS32CARM7 interrupt controller driver    nullNvRam.c       -     dummy NVRAM routinesIt #includes the following BSP files:    sysSerial.c       -     serial device initialization routines    sysEnd.c          -     END network driver support routines.INCLUDE FILES: sysLib.h string.h intLib.h taskLib.h vxLib.h muxLib.hSEE ALSO:<Configuration><ARM Architecture Reference Manual>,<Samsung KS32C50100 Microcontroller User's Manual>,<Samsung KS32C5000(A)/50100 Microcontroller Application Notes>*//* includes */#include "vxWorks.h"#include "config.h"#include "sysLib.h"#include "string.h"#include "intLib.h"#include "taskLib.h"#include "vxLib.h"#include "muxLib.h"#include "cacheLib.h"#include "memLib.h"#include "wrSbcArm7.h"/* imports */IMPORT char end;                            /* end of system, created by ld */IMPORT VOIDFUNCPTR _func_armIntStackSplit;  /* ptr to fn to split stack *//* globals */int    sysBus         = BUS;            /* system bus type (VME_BUS, etc) */int    sysCpu         = CPU;            /* system cpu type */char * sysBootLine    = BOOT_LINE_ADRS; /* address of boot line */char * sysExcMsg      = EXC_MSG_ADRS;   /* catastrophic message area */int    sysProcNum;                      /* processor number of this cpu */int    sysFlags;                        /* boot flags */char   sysBootHost [BOOT_FIELD_LEN];    /* name of host from which we booted */char   sysBootFile [BOOT_FIELD_LEN];    /* name of file from which we booted */CACHE_FUNCS   sngks32cCacheFuncs;/* Amine: sysSngks32cMacAddr->ne2000EnetAddr */unsigned char ne2000EnetAddr[] = ETHERNET_MAC_ADRS;/* locals *//* Amine: 21->26 */#if S3C44B0X_INTNUMLEVELS != 26#   error sbcIntLvlMask is wrong size for number of levels#endif/* defines */    /* externals */IMPORT void   sngks32cIntDevInit (void);IMPORT void   sysIntStackSplit (char *, long);/*local defines*/#ifndef SBCARM7_CTRL_REG_READ#   define SBCARM7_CTRL_REG_READ(x,result) \        ((result) = *(volatile UINT32 *)(x))#endif    /*SBCARM7_READ*/#ifndef SBCARM7_CTRL_REG_WRITE#   define SBCARM7_CTRL_REG_WRITE(x,data) \        (*((volatile UINT32 *)(x)) = (data))#endif /*SBCARM7_WRITE*//* globals *//* forward LOCAL functions declarations *//* forward declarations */char *    sysPhysMemTop (void);#ifdef INCLUDE_CACHE_SUPPORTSTATUS sngks32cCacheLibInit(CACHE_MODE instMode, CACHE_MODE dataMode);FUNCPTR sysCacheLibInit = sngks32cCacheLibInit;void   sysDebug (char *str);void   sngks32cCacheFlush    (void);  void * sngks32cCacheDmaMalloc(size_t bytes);STATUS sngks32cCacheDmaFree  (void *pBuf);void   sngks32cCacheEnable   (void);void   sngks32cCacheDisable  (void);void * sngks32cPhysToVirtRtn (void *adrs);void * sngks32cVirtToPhysRtn (void *adrs);#endif /*INCLUDE_CACHE_SUPPORT*//* included source files */#ifdef INCLUDE_FLASH#include "flashMem.c"#else /* INCLUDE_FLASH */#include "mem/nullNvRam.c"#endif  /* INCLUDE_FLASH */#include "vme/nullVme.c"#include "sysSerial.c"#include "sngks32cTimer.c"#include "sngks32cIntrCtl.c"#ifdef INCLUDE_NETWORK#ifdef INCLUDE_END#include "sbcCksum.c"#include "sysEnd.c"#endif /* INCLUDE_END */#endif /* INCLUDE_NETWORK */#ifdef INCLUDE_LCD#include "sysLcd.c"#endif /* INCLUDE_LCD */#ifdef INCLUDE_LED#include "sysLed.c"#endif /* INCLUDE_LCD */#ifdef INCLUDE_VWARE_LAUNCH#include "sysVware.c"#endif /* INCLUDE_VWARE_LAUNCH *//* Amine: added */extern void excEnterUndef(void);extern void excEnterSwi(void);extern void excEnterPrefetchAbort(void);extern void excEnterDataAbort(void);extern void intEnt(void);/******************************************************************************** portInit - 針對硬板,初始化CPU各端口* */static void portInit(void){  /*  BIT   9   8   7   6   5   4   3   2   1   0 */  /*  A24   A23 A22 A21 A20 A19 A18 A17 A16 A0  */          /*  0   1 1 1 1 1 1 1 1 1 */  rPCONA = 0x0ff;   rPDATA = 0x0ff;  /*  BIT 10  9   8   7   6   5   4   3   2   1   0   */  /*  /CS5  /CS4  /CS3  /CS2  /CS1  nWBE3 nWBE2 /SRAS /SCAS SCLK  SCKE  */  /*  EXT   NIC   USB   IDE   SMC   NC    NC    Sdram Sdram Sdram Sdram */  /*      0,        0,   0,   0,    1,    0,       0,     1,    1,    1,   1          */  rPDATB = 0x7ff;  #if(BOARD_TYPE == BOARD_ARMEPS) /*ARMCORE V1.0*/  rPCONB = 0x7df; /* GPB5->網絡芯片復位 */  #else  rPCONB = 0x7ff;   #endif  /*  PC15    14    13    12    11    10    9   8 */  /*  o   o   RXD1  TXD1  o   o   o   o */  /*  NC    NC    Uart1 Uart1 NC    NC    NC    NC  */  /*   11   11    11    11    11    11    01    00  */  /*  PC7   6   5   4   3   2   1   0 */  /*   o    o   o   o   o   o   o   o */  /*   NC   NC    NC    NC    SMCALE  SMCCLE  SMCCE SMCRB*/  /*   01   01    01    01    01    01    01    01  */  rPDATC = 0x0000;    rPCONC = 0xfff45555;    rPUPC  = 0xFC00;    /*  PORT D GROUP(I/O OR LCD)                    */  /*  BIT7    6   5   4   3   2   1   0 */  /*      VF    VM    VLINE VCLK  VD3   VD2   VD1   VD0 */  /*     01   01    01    01    01    01    01    01  */  rPDATD= 0x55;  rPCOND= 0xaaaa;   rPUPD = 0x00;  /*  Bit 8   7   6   5   4   3   2   1   0   */  /*    ENDLAN  LED3  LED2  LED1  LED0  BEEP  RXD0  TXD0  CLKOUT  */   /*      00    01    01    01    01    01    10    10    00    */    #if(BOARD_TYPE == BOARD_ARMEPS) /*ARMCORE V1.0*/  rPDATE  = 0x1FF;      /*060828*/  rPCONE  = 0x029;      /*0x5569*/ /* ARMCORE V1.0 GPE0->運行燈 */  rPUPE   = 0x0;  #else  rPDATE  = 0x157;      /*060828*/  rPCONE  = 0x5568;   rPUPE = 0xff;  #endif  /*  Bit8    7   6   5    4    3   2   1   0   */     /*  IISCLK  IISDI IISDO IISLRCK Input Input Input IICSDA  IICSCL  */  /*  100   100   100   100   00    01    01    10    10    */  #if(BOARD_TYPE == BOARD_ARMEPS) /*ARMCORE V1.0*/  rPDATF = 0x1FF;   rPCONF = 0x92555;  rPUPF  = 0x1FE;  #else  rPDATF = 0x0;  rPCONF = 0x24915a;  rPUPF  = 0x1E3;  #endif  /*  BIT7    6   5   4   3   2   1   0  */  /*  INT7    INT6    INT5    INT4    INT3    INT2    INT1    INT0  */  /*    S3    S4    S5    S6    NIC   EXT   IDE   USB */  /*      11      11      11      11      11      11      11      11       */  rPDATG = 0xFF;  rPCONG = 0xFFFF;  rPUPG  = 0x00;    rSPUCR=0x7;    /*定義非Cache區*/  /*rNCACHBE0 = 0xc0002000; */  rEXTINT=0x0044;	/*網卡使用EXTINT1,上升沿觸發*/}/******************************************************************************** rtl8019Init - RTL8019網絡芯片初始化(與NE2000不兼容)* loopDelay - 循環延時函數,每個時間單位為100us*/static int delayLoopCount = 400;static void loopDelay(int time){  int i;  for(;time>0;time--)    for(i=0;i<delayLoopCount;i++);}static void rtl8019Init(void){  /*Reset MAC*/    #if(BOARD_TYPE == BOARD_STRONG)  *CPLDREG1 |= 0x20;   loopDelay(500);  *CPLDREG1 &= 0xDF;  #endif  #if(BOARD_TYPE == BOARD_ARMEPS) /*ARMCORE V1.0*/  rPDATB |= (0x20);  /*網絡芯片復位*/  loopDelay(500);  rPDATB &= ~(0x20); /*網絡芯片復位*/  #endif  loopDelay(100);  #if(BOARD_TYPE == BOARD_ARM3000)  *(NETBASE+0x3c) = *(NETBASE+0x3e);  loopDelay(100);  /* Page 3 Set power status & msic*/  *(NETBASE+0x00) = 0xc1;  *(NETBASE+0x02) = 0xcf;	/**(NETBASE+0x20) = 0xc0;*/  *(NETBASE+0x08) = 0x80;  *(NETBASE+0x0a) = 0x00;  *(NETBASE+0x0c) = 0x70;  /**(NETBASE+0x26) = 0xFF;*//*07H TEST R/W Reserved, Do not write*/  *(NETBASE+0x02) = 0x0f;	/*關閉寫允許*/  #else  *(NETBASE+0x1e) = *(NETBASE+0x1e + 0x20);  loopDelay(100);  /* Page 3 Set power status & msic*/  *(NETBASE+0x00) = 0xc1;  *(NETBASE+0x20) = 0xcf;	/**(NETBASE+0x20) = 0xc0;*/  *(NETBASE+0x04) = 0x80;  *(NETBASE+0x24) = 0x00;  *(NETBASE+0x06) = 0x70;  /**(NETBASE+0x26) = 0xFF;*//*07H TEST R/W Reserved, Do not write*/  *(NETBASE+0x20) = 0x0f;	/*關閉寫允許*/  #endif}/******************************************************************************** s3cExcVecSet - 構成RAM中向量表**/void s3cExcVecSet(void){    int i;    i = (int)&excEnterUndef;    *((volatile int*)(S3C_EXC_BASE + 0x0)) = i;    i = (int)&excEnterSwi;    *((volatile int*)(S3C_EXC_BASE + 0x4)) = i;    i = (int)&excEnterPrefetchAbort;    *((volatile int*)(S3C_EXC_BASE + 0x8)) = i;    i = (int)&excEnterDataAbort;    *((volatile int*)(S3C_EXC_BASE + 0xc)) = i;    i = (int)&intEnt;    *((volatile int*)(S3C_EXC_BASE + 0x14)) = i;    return;}/******************************************************************************** sysInByte,sysOutByte,sysInWordString,sysOutWordString** NE2000驅動需要的輸入輸出函數.* * 注意:sysInWordString和sysOutWordString的端口地址不累加,使用8位操作.*/unsigned char sysInByte	(unsigned long port){	return (REG8(port));}void	sysOutByte	(unsigned long port, unsigned char data){	REG8(port) = data;}void	sysInWordString	(unsigned long port, unsigned short *pData, int count){	int i, byte_count; char *pbyte;		pbyte = (char *)pData;	byte_count = count*2;		for(i=0; i<byte_count; i++){		*(pbyte) = REG8(port);		pbyte++;	}}void	sysOutWordString(unsigned long port, unsigned short *pData, int count){	int i, byte_count; char *pbyte;	pbyte = (char *)pData;	byte_count = count*2;		for(i=0; i<byte_count; i++){		REG8(port) = *(pbyte);		pbyte++;	}}/******************************************************************************** sysModel - return the model name of the CPU board** This routine returns the model name of the CPU board.* * RETURNS: A pointer to a string identifying the board and CPU.