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32 /*****************************************************************************/
35 * @file xzdma_selftest.c
36 * @addtogroup zdma_v1_5
39 * This file contains the self-test function for the ZDMA core.
42 * MODIFICATION HISTORY:
44 * Ver Who Date Changes
45 * ----- ------ -------- ------------------------------------------------------
46 * 1.0 vns 2/27/15 First release
49 ******************************************************************************/
51 /***************************** Include Files *********************************/
55 /************************** Constant Definitions *****************************/
58 /***************** Macros (Inline Functions) Definitions *********************/
61 /**************************** Type Definitions *******************************/
64 /************************** Function Prototypes ******************************/
67 /************************** Variable Definitions *****************************/
70 /************************** Function Definitions *****************************/
72 /*****************************************************************************/
75 * This file contains a diagnostic self-test function for the ZDMA driver.
76 * Refer to the header file xzdma.h for more detailed information.
78 * @param InstancePtr is a pointer to XZDma instance.
81 * - XST_SUCCESS if the test is successful.
82 * - XST_FAILURE if the test is failed.
86 ******************************************************************************/
87 s32 XZDma_SelfTest(XZDma *InstancePtr)
93 Xil_AssertNonvoid(InstancePtr != NULL);
95 Data = XZDma_ReadReg(InstancePtr->Config.BaseAddress,
96 XZDMA_CH_CTRL0_OFFSET);
98 /* Changing DMA channel to over fetch */
100 XZDma_WriteReg(InstancePtr->Config.BaseAddress, XZDMA_CH_CTRL0_OFFSET,
101 (Data | XZDMA_CTRL0_OVR_FETCH_MASK));
103 if (((u32)XZDma_ReadReg(InstancePtr->Config.BaseAddress,
104 XZDMA_CH_CTRL0_OFFSET) & XZDMA_CTRL0_OVR_FETCH_MASK) !=
105 XZDMA_CTRL0_OVR_FETCH_MASK) {
106 Status = (s32)XST_FAILURE;
109 Status = (s32)XST_SUCCESS;
112 /* Retrieving the change settings */
113 XZDma_WriteReg(InstancePtr->Config.BaseAddress, XZDMA_CH_CTRL0_OFFSET,