csl_msgethwsetup.c

TI达芬奇dm644x各硬件模块测试代码

/*  ============================================================================
 *   Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005
 *
 *   Use of this software is controlled by the terms and conditions found in the
 *   license agreement under which this software has been supplied.
 *   ===========================================================================
 */

/** @file csl_msGetHwSetup.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_msGetHwSetup()
 *
 *  Path: \\(CSLPATH)\\ipmodules\\memstick\\src
 *
 *  Description
 *   - The @a CSL_msGetHwSetup() function definition & it's associated
 *     functions
 *
 *  Date 7th June, 2004
 *  Author Santosh Narayanan
 *
 */

/* =============================================================================
 *  Revision History
 *  ================
 *  14-Dec-2004 kpn Updated the file according to CSL Upgradation guidelines.
 * =============================================================================
 */

#include <csl_ms.h>

/** ============================================================================
 *   @n@b CSL_msGetHwSetup
 *
 *   @b Description
 *   @n It retrives the hardware setup parameters of the memory stick
 *      specified by the given handle.
 *
 *   @b Arguments
 *   @verbatim
            hMs             Handle to the ms

            hwSetupRead     Pointer to the hardware setup structure
     @endverbatim
 *
 *   <b> Return Value </b>  CSL_Status
 *   @li                    CSL_SOK             - Retrieving the hardware setup
                                                  parameters is successful
 *   @li                    CSL_ESYS_BADHANDLE  - The handle is passed is
                                                  invalid
 *   @li                    CSL_ESYS_INVPARAMS  - Invalid parameter
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *   @n  The hardware setup structure is populated with the hardware setup
 *       parameters
 *
 *   @b Modifies
 *   @n hwSetup variable
 *
 *   @b Example
 *   @verbatim
            CSL_MsHandle   hMs;
            CSL_MsHwSetup  hwSetup;
            ...

            status = CSL_msGetHwSetup(hMs, &hwSetup);
     @endverbatim
 * =============================================================================
 */
#pragma CODE_SECTION (CSL_msGetHwSetup, ".text:csl_section:ms");
CSL_Status CSL_msGetHwSetup (
    CSL_MsHandle               hMs,
    CSL_MsHwSetup             *hwSetupRead
)
{
    CSL_Status status = CSL_SOK;

    if (hMs == NULL) {
	    return CSL_ESYS_BADHANDLE;
    }

    if (hwSetupRead == NULL) {
        return CSL_ESYS_INVPARAMS;
    }

    hwSetupRead->reset       = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_RST);

    hwSetupRead->mode        = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_SRAC);

    hwSetupRead->crc         = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_NOCRC);

    hwSetupRead->intClear    = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_INTCLR);

    hwSetupRead->intHost     = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_INTEN);

    hwSetupRead->intDevice   = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_MSIEN);

    hwSetupRead->fifoClear   = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_FCLR);

    hwSetupRead->fifoDir     = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_FDIR);

    hwSetupRead->dmaMode     = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_DAM);

    hwSetupRead->drm         = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_DRM);

    hwSetupRead->drqInt      = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_DRQSL);

    hwSetupRead->rei         = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_REI);

    hwSetupRead->reo         = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_REO);

    hwSetupRead->bsyCount    = CSL_FEXT (hMs->regs->MSSYST, MS_MSSYST_BSY);

    hwSetupRead->byteSwap    = (CSL_MsByteSwapSel)
                               CSL_FEXT (hMs->regs->MSMCR, MS_MSMCR_BS);

    hwSetupRead->clockDivider= (CSL_MsClkDivRatio)
                               CSL_FEXT (hMs->regs->MSMCR, MS_MSMCR_CD);

    return status;
}