wrsbcarm7.h

base on vxworks and ARM7TDMI

#define CasPrechargeTime0  1             /*(Tcp)0=1cycle,1=2cycle*/
#define CasStrobeTime0     2             /*(Tcs)0=1cycle ~ 3=4cycle*/
#define DRAMCON0Reserved   1             /* Must be set to 1*/
#define RAS2CASDelay0      0             /*(Trc)0=1cycle,1=2cycle*/
#define RASPrechargeTime0  2             /*(Trp)0=1cycle ~ 3=4clcyle*/
#define DRAMBasePtr0       (0x10<<10)   /*=0x1000000 */
#define DRAMBasePtr0_S     0x00          /* now RAM moved to zero */


#define DRAMEndPtr0        (((LOCAL_MEM_SIZE >> 16) + 0x10) << 20)  /*=0x02000000 - 32 MB */
#define DRAMEndPtr0_S      ((LOCAL_MEM_SIZE >> 16) << 20)  /*=0x02000000 - 32 MB */

#define NoColumnAddr0      2             /*0=8bit,1=9bit,2=10bit,3=11bits*/

#define Tcs0           (CasStrobeTime0<<1)
#define Tcp0           (CasPrechargeTime0<<3)
#define dumy0          (DRAMCON0Reserved<<4)        /*dummy cycle*/
#define Trc0           (RAS2CASDelay0<<7)
#define Trp0           (RASPrechargeTime0<<8)
#define CAN0           (NoColumnAddr0<<30)

#define rDRAMCON0      (CAN0+DRAMEndPtr0+DRAMBasePtr0+Trp0+Trc0+Tcp0+Tcs0+dumy0+EDO_Mode0)
#define rDRAMCON0_S    (CAN0+DRAMEndPtr0_S+DRAMBasePtr0_S+Trp0+Trc0+Tcp0+Tcs0+dumy0+EDO_Mode0)

/****************************************************************************
 * -> DRAMCONx : unused RAM Banks
 */
#define rDRAMCON1         0x00
#define rDRAMCON2         0x00
#define rDRAMCON3         0x00

/****************************************************************************
 * -> DRAMCON0 : RAM Bank0 control register (for SDRAM)
 */
#define SRAS2CASDelay0          1                    /*(Trc)0=1cycle,1=2cycle*/
#define SRASPrechargeTime0      3                    /*(Trp)0=1cycle ~ 3=4cycle*/
#define SCasPrechargeTime0      1                    /*(Tcp)0=1cycle,1=2cycle*/
#define SCasStrobeTime0         2                    /*(Tcs)0=1cycle ~ 3=4cycle*/
#define SNoColumnAddr0          1                    /*0=8bit,1=9bit,2=10bit,3=11bits add by ghw*/
#define SCAN0                   (SNoColumnAddr0<<30)
#define STrc0                   (SRAS2CASDelay0<<7)
#define STrp0                   (SRASPrechargeTime0<<8)
#define STcp0                   (SCasPrechargeTime0<<3)
#define STcs0                   (SCasStrobeTime0<<1)

#define rSDRAMCON0              (SCAN0+DRAMEndPtr0+DRAMBasePtr0+STrp0+STrc0+STcp0+STcs0)
#define rSDRAMCON0_S            (SCAN0+DRAMEndPtr0_S+DRAMBasePtr0_S+STrp0+STrc0+STcp0+STcs0)

/****************************************************************************
 * -> DRAMCONx : unused SYNC DRAM Banks
 */
#define rSDRAMCON1        0x00
#define rSDRAMCON2        0x00
#define rSDRAMCON3        0x00

/**************************************************************************
 * -> REFEXTCON : External I/O & Memory Refresh cycle Control Register 
 */

#define RefCycle          16         /*Unit [us], 1k refresh 16ms*/

/*RefCycle EQU 8 ;Unit [us], 1k refresh 16ms*/

#define CASSetupTime         0         /*0=1cycle, 1=2cycle*/
#define CASHoldTime          0         /*0=1cycle, 1=2cycle, 2=3cycle,
                                         3=4cycle, 4=5cycle,*/
#if (((2<<11)+1-(RefCycle*fMCLK)) < 0x3FF)
#define RefCycleValue     (((2<<11)+1-(RefCycle*fMCLK))<<21)
#else
#define RefCycleValue     (0x3FF<<21)
#endif

#define Tcsr              (CASSetupTime<<20) /* 1cycle */
#define Tcs               (CASHoldTime<<17)
#define ExtIOBase         0x183fd            /* Refresh enable, VSF=1*/

#define rREFEXTCON        (RefCycleValue+Tcsr+Tcs+ExtIOBase)

/******************************************************************
 *SRefCycle EQU 16 ;Unit [us], 4k refresh 64ms
 */

#define SRefCycle          8         /*Unit [us], 4k refresh 64ms*/
#define ROWcycleTime       3         /*0=1cycle, 1=2cycle, 2=3cycle,
                                       3=4cycle, 4=5cycle,*/
#define SRefCycleValue     ((2048+1-(SRefCycle*fMCLK))<<21)
#define STrc               (ROWcycleTime<<17)
#define rSREFEXTCON        (SRefCycleValue+STrc+ExtIOBase)

/* interrupt levels */
#define INT_LVL_EXTINT0        0    /* External Interrupt0 */
#define INT_LVL_EXTINT1        1    /* External Interrupt1 */
#define INT_LVL_EXTINT2        2    /* External Interrupt2 */
#define INT_LVL_EXTINT3        3    /* External Interrupt3 */
#define INT_LVL_UARTTX0        4    /* UART 0 Transmit Interrupt */
#define INT_LVL_UARTRX0        5    /* UART 0 Receive & Error Interrupt */
#define INT_LVL_UARTTX1        6    /* UART 1 Transmit Interrupt */
#define INT_LVL_UARTRX1        7    /* UART 1 Receive & Error Interrupt */
#define INT_LVL_GDMA0          8    /* GDMA channel 0 interrupt*/
#define INT_LVL_GDMA1          9    /* GDMA channel 1 interrupt */
#define INT_LVL_TIMER0        10    /* Timer 0 Interrupt */
#define INT_LVL_TIMER1        11    /* Timer 1 Interrupt  */
#define INT_LVL_HDLCTxA       12    /* HDLC channel A Tx interrupt*/
#define INT_LVL_HDLCRxA       13    /* HDLC channel A Rx interrupt*/
#define INT_LVL_HDLCTxB       14    /* HDLC channel B Tx interrupt*/
#define INT_LVL_HDLCRxB       15    /* HDLC channel B Rx interrupt*/
#define INT_LVL_BDMATx        16    /* Ethernet controller BDMA Tx Interrupt */
#define INT_LVL_BDMARx        17    /* Ethernet controller BDMA Rx Interrupt */
#define INT_LVL_MACTx         18    /* Ethernet controller MAC Tx Interrupt*/
#define INT_LVL_MACRx         19    /* Ethernet controller MAC Rx Interrupt */
#define INT_LVL_IIC           20    /* IIC -Bus Interrupt */

/* interrupt vectors */

#define INT_VEC_EXTINT0     IVEC_TO_INUM(INT_LVL_EXTINT0)    /* External Interrupt0 */
#define INT_VEC_EXTINT1     IVEC_TO_INUM(INT_LVL_EXTINT1)    /* External Interrupt1*/
#define INT_VEC_EXTINT2     IVEC_TO_INUM(INT_LVL_EXTINT2)    /* External Interrupt2*/
#define INT_VEC_EXTINT3     IVEC_TO_INUM(INT_LVL_EXTINT3)    /* External Interrupt3*/
#define INT_VEC_UARTTX0     IVEC_TO_INUM(INT_LVL_UARTTX0)    /* UART 0 Transmit Interrupt */
#define INT_VEC_UARTRX0     IVEC_TO_INUM(INT_LVL_UARTRX0)    /* UART 0 Receive & Error Interrupt */
#define INT_VEC_UARTTX1     IVEC_TO_INUM(INT_LVL_UARTTX1)    /* UART 1 Transmit Interrupt */
#define INT_VEC_UARTRX1     IVEC_TO_INUM(INT_LVL_UARTRX1)    /* UART 1 Receive & Error Interrupt */
#define INT_VEC_GDMA0       IVEC_TO_INUM(INT_LVL_GDMA0)    /* GDMA channel 0 interrupt*/
#define INT_VEC_GDMA1       IVEC_TO_INUM(INT_LVL_GDMA1)    /* GDMA channel 0 interrupt*/
#define INT_VEC_TIMER0      IVEC_TO_INUM(INT_LVL_TIMER0)    /* Timer 0 Interrupt  */
#define INT_VEC_TIMER1      IVEC_TO_INUM(INT_LVL_TIMER1)    /* Timer 1 Interrupt */
#define INT_VEC_HDLCTxA     IVEC_TO_INUM(INT_LVL_HDLCTxA)    /* HDLC channel A Tx interrupt */
#define INT_VEC_HDLCRxA     IVEC_TO_INUM(INT_LVL_HDLCRxA)    /* HDLC channel A Rx interrupt*/
#define INT_VEC_HDLCTxB     IVEC_TO_INUM(INT_LVL_HDLCTxB)    /* HDLC channel B Tx interrupt*/
#define INT_VEC_HDLCRxB     IVEC_TO_INUM(INT_LVL_HDLCRxB)    /* HDLC channel B Rx interrupt*/
#define INT_VEC_BDMATx      IVEC_TO_INUM(INT_LVL_BDMATx)    /* Ethernet controller BDMA Tx Interrupt */
#define INT_VEC_BDMARx      IVEC_TO_INUM(INT_LVL_BDMARx)    /* Ethernet controller BDMA Rx Interrupt */
#define INT_VEC_MACTx       IVEC_TO_INUM(INT_LVL_MACTx)    /* Ethernet controller MAC Tx Interrupt*/
#define INT_VEC_MACRx       IVEC_TO_INUM(INT_LVL_MACRx)    /* Ethernet controller MAC Rx Interrupt */
#define INT_VEC_IIC         IVEC_TO_INUM(INT_LVL_IIC)        /* IIC -Bus Interrupt */


/**********************************************************************************************************
 * Cache Definitions
 *
 */

#define NON_CACHE_REGION    0x4000000
#define SBCARM7_CACHE_ENABLE    0x02
#define SBCARM7_CACHE_4K        0x00
#define SBCARM7_CACHE_8K        0x10
#define SBCARM7_CACHE_MODE      0x30
#define SBCARM7_WRITE_BUFF      0x04
#define SBCARM7_TAGRAM          0x11000000


/*
 *
 * definitions for the SBCARM7 Timer:
 * two timers clocked from same source and with the same reload overhead
 */
#define SBCARM7_TIMER_SYS_TC_DISABLE    (TC_DISABLE | TC_PERIODIC | TC_DIV16)
#define SBCARM7_TIMER_SYS_TC_ENABLE     (TC_ENABLE  | TC_PERIODIC | TC_DIV16)
#define SBCARM7_TIMER_AUX_TC_DISABLE    (TC_DISABLE | TC_PERIODIC | TC_DIV16)
#define SBCARM7_TIMER_AUX_TC_ENABLE     (TC_ENABLE  | TC_PERIODIC | TC_DIV16)

#define SYS_TIMER_CLK               (SBCARM7_CPU_SPEED)    /* Frequency of counter/timer */
#define AUX_TIMER_CLK               (SBCARM7_CPU_SPEED)    /* Frequency of counter/timer */

#define SBCARM7_RELOAD_TICKS            3        /* three ticks to reload timer */

#define SYS_TIMER_CLEAR(x)          (SBCARM7_TIMER_T1CLEAR(x))    /* sys Clk is timer 1  */
#define SYS_TIMER_CTRL(x)           (SBCARM7_TIMER_T1CTRL(x))
#define SYS_TIMER_LOAD(x)           (SBCARM7_TIMER_T1LOAD(x))
#define SYS_TIMER_VALUE(x)          (SBCARM7_TIMER_T1VALUE(x))
#define SBCARM7_TIMER_VALUE_MASK        0xFFFF
#define AUX_TIMER_CLEAR(x)          (SBCARM7_TIMER_T2CLEAR(x))    /* aux Clk is timer 2  */
#define AUX_TIMER_CTRL(x)           (SBCARM7_TIMER_T2CTRL(x))
#define AUX_TIMER_LOAD(x)           (SBCARM7_TIMER_T2LOAD(x))
#define AUX_TIMER_VALUE(x)          (SBCARM7_TIMER_T2VALUE(x))

#define SYS_TIMER_INT_LVL           (INT_LVL_TIMER0)
#define AUX_TIMER_INT_LVL           (INT_LVL_TIMER1)

/******************************************************************************************
 * Clock rates depend upon CPU power and work load of application.
 * The values below are minimum and maximum allowed by the hardware.
 * Note that it takes 3 ticks to reload the 16-bit counter and we don't
 * accept values that would mean a zero reload value as we don't know what
 * that will do.
 * So:
 * min frequency = roundup(clock_rate/(max_counter_value+3))
 * max frequency = rounddown(clock_rate/(min_counter_value+3))
 * i.e.              SYS_CLK_RATE_MAX (SYS_TIMER_CLK/4)
 * However, we must set maxima that are sustainable on a running
 * system. Experiments suggest that a 16MHz PID board can sustain a
 * maximum clock rate of 10000 to 10500. The values below have been
 * chosen so that there is a reasonable margin and the BSP passes the
 * test suite.
 */

#define SYS_CLK_RATE_MIN      10
#define SYS_CLK_RATE_MAX      10000
#define AUX_CLK_RATE_MIN      2
#define AUX_CLK_RATE_MAX      10000
#define SBCARM7_RESET_RAM_BASE    0x100000  RAM base in reset memory map */ 

/*
 * Our MAC address definition.  User can change this value as
 * per requirement.  Note, the least significant byte of the
 * address is changed to the value of the user DIP switch setting.
 * SW4-D0 is the least significant bit of this byte.  Open=0.
 */

#define ETHERNET_MAC_ADRS { 0x00, 0xA0, 0x88, 0x88, 0x88, 0x00 }

#ifdef __cplusplus
}
#endif

#endif    /* INCsbcarm7h */