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*******************************************************************************/
#include "config_marvell.h"     /* Required to identify SOC and Board */
#include "mv_os.h"
#include "mvSysEnvLib.h"
#if defined(MV88F78X60)
#include "ddr3_axp.h"
#elif defined(MV88F6710)
#include "ddr3_a370.h"
extern MV_U32 mvCpuL2ClkGet(MV_VOID);
#elif defined(MV88F68XX)
#include "ddr3_a38x.h"
#elif defined(MV88F69XX)
#include "ddr3_a39x.h"
#elif defined(MV88F66XX)
#include "ddr3_alp.h"
extern MV_U32 mvCpuL2ClkGet(MV_VOID);
#elif defined(MV88F672X)
#include "ddr3_a375.h"
extern MV_U32 mvCpuL2ClkGet(MV_VOID);
#elif defined(MV_MSYS_BC2)
#include "ddr3_msys_bc2.h"
#elif defined(MV_MSYS_AC3)
#include "ddr3_msys_ac3.h"
#else
#error "No SOC define for uart in binary header."
#endif
#define UBOOT_CNTR              0       /* counter to use for uboot timer  0,1 */

void __udelay(unsigned long usec)
{
    unsigned long delayticks;
    unsigned int cntmrCtrl;

    /* In case udelay is called before timier was initialized */
    delayticks = (usec * (MV_BOARD_REFCLK / 1000000));
    /* init the counter */
    MV_REG_WRITE(CNTMR_RELOAD_REG(UBOOT_CNTR),delayticks);
    MV_REG_WRITE(CNTMR_VAL_REG(UBOOT_CNTR),delayticks);

    /* set control for timer \ cunter and enable */
    /* read control register */
    cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG(UBOOT_CNTR));
    cntmrCtrl &= ~CTCR_ARM_TIMER_AUTO_EN(UBOOT_CNTR);
    cntmrCtrl |= CTCR_ARM_TIMER_EN(UBOOT_CNTR);

	/* check if 25Mhz as ref clock is supported by SoC */
	if (mvSysEnvTimerIsRefClk25Mhz())
		cntmrCtrl |= CTCR_ARM_TIMER_25MhzFRQ_EN(UBOOT_CNTR);

    MV_REG_WRITE(CNTMR_CTRL_REG(UBOOT_CNTR),cntmrCtrl);

    while(MV_REG_READ(CNTMR_VAL_REG(UBOOT_CNTR)));

    /* disable times*/
    cntmrCtrl &= ~CTCR_ARM_TIMER_EN(UBOOT_CNTR);
    MV_REG_WRITE(CNTMR_CTRL_REG(UBOOT_CNTR),cntmrCtrl);
}
void __timerSet(unsigned long usec)
{
    unsigned int cntmrCtrl;
    unsigned long startTicks;

    /* In case udelay is called before timier was initialized */
    startTicks = (usec * (MV_BOARD_REFCLK / 1000000));
    /* init the counter */
    MV_REG_WRITE(CNTMR_RELOAD_REG(UBOOT_CNTR),startTicks);
    MV_REG_WRITE(CNTMR_VAL_REG(UBOOT_CNTR),startTicks);

    /* set control for timer \ cunter and enable */
    /* read control register */
    cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG(UBOOT_CNTR));
    cntmrCtrl &= ~CTCR_ARM_TIMER_AUTO_EN(UBOOT_CNTR);
    cntmrCtrl |= CTCR_ARM_TIMER_EN(UBOOT_CNTR);
    cntmrCtrl |= CTCR_ARM_TIMER_25MhzFRQ_EN(UBOOT_CNTR);
    MV_REG_WRITE(CNTMR_CTRL_REG(UBOOT_CNTR),cntmrCtrl);

}
MV_U32 __timerGet(void)
{
    return MV_REG_READ(CNTMR_VAL_REG(UBOOT_CNTR));
}

void __timerDisable(void)
{
    unsigned int cntmrCtrl;
    cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG(UBOOT_CNTR));
    cntmrCtrl &= ~CTCR_ARM_TIMER_AUTO_EN(UBOOT_CNTR);
    cntmrCtrl |= CTCR_ARM_TIMER_25MhzFRQ_EN(UBOOT_CNTR);
    /* disable times*/
    cntmrCtrl &= ~CTCR_ARM_TIMER_EN(UBOOT_CNTR);
    MV_REG_WRITE(CNTMR_CTRL_REG(UBOOT_CNTR),cntmrCtrl);
}